From a8ef86edd9a5c83ccc78664a3c63c92599d503e8 Mon Sep 17 00:00:00 2001 From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com> Date: Sun, 23 Jun 2024 09:19:51 +0000 Subject: [PATCH] fix(deps): update github.com/longhorn/go-common-libs digest to 1d8b9c5 --- go.mod | 7 +- go.sum | 15 +- vendor/github.com/go-logr/logr/.golangci.yaml | 26 - vendor/github.com/go-logr/logr/CHANGELOG.md | 6 - .../github.com/go-logr/logr/CONTRIBUTING.md | 17 - vendor/github.com/go-logr/logr/LICENSE | 201 -- vendor/github.com/go-logr/logr/README.md | 406 ---- vendor/github.com/go-logr/logr/SECURITY.md | 18 - vendor/github.com/go-logr/logr/context.go | 33 - .../github.com/go-logr/logr/context_noslog.go | 49 - .../github.com/go-logr/logr/context_slog.go | 83 - vendor/github.com/go-logr/logr/discard.go | 24 - vendor/github.com/go-logr/logr/logr.go | 520 ----- vendor/github.com/go-logr/logr/sloghandler.go | 192 -- vendor/github.com/go-logr/logr/slogr.go | 100 - vendor/github.com/go-logr/logr/slogsink.go | 120 -- .../longhorn/go-common-libs/io/file.go | 89 +- .../go-common-libs/utils/longhorn_naming.go | 11 - .../longhorn/go-common-libs/utils/misc.go | 20 + .../longhorn/go-common-libs/utils/mount.go | 14 - vendor/github.com/moby/sys/mountinfo/LICENSE | 202 -- vendor/github.com/moby/sys/mountinfo/doc.go | 44 - .../moby/sys/mountinfo/mounted_linux.go | 101 - .../moby/sys/mountinfo/mounted_unix.go | 53 - .../moby/sys/mountinfo/mountinfo.go | 67 - .../moby/sys/mountinfo/mountinfo_bsd.go | 56 - .../moby/sys/mountinfo/mountinfo_filters.go | 63 - .../sys/mountinfo/mountinfo_freebsdlike.go | 14 - .../moby/sys/mountinfo/mountinfo_linux.go | 214 -- .../moby/sys/mountinfo/mountinfo_openbsd.go | 11 - .../sys/mountinfo/mountinfo_unsupported.go | 19 - .../moby/sys/mountinfo/mountinfo_windows.go | 10 - vendor/k8s.io/klog/v2/.gitignore | 17 - vendor/k8s.io/klog/v2/.golangci.yaml | 6 - vendor/k8s.io/klog/v2/CONTRIBUTING.md | 22 - vendor/k8s.io/klog/v2/LICENSE | 191 -- vendor/k8s.io/klog/v2/OWNERS | 16 - vendor/k8s.io/klog/v2/README.md | 118 -- vendor/k8s.io/klog/v2/RELEASE.md | 9 - vendor/k8s.io/klog/v2/SECURITY.md | 22 - vendor/k8s.io/klog/v2/SECURITY_CONTACTS | 20 - vendor/k8s.io/klog/v2/code-of-conduct.md | 3 - vendor/k8s.io/klog/v2/contextual.go | 212 -- vendor/k8s.io/klog/v2/contextual_slog.go | 31 - vendor/k8s.io/klog/v2/exit.go | 69 - vendor/k8s.io/klog/v2/format.go | 65 - vendor/k8s.io/klog/v2/imports.go | 38 - .../k8s.io/klog/v2/internal/buffer/buffer.go | 184 -- .../k8s.io/klog/v2/internal/clock/README.md | 7 - vendor/k8s.io/klog/v2/internal/clock/clock.go | 161 -- vendor/k8s.io/klog/v2/internal/dbg/dbg.go | 42 - .../klog/v2/internal/serialize/keyvalues.go | 292 --- .../internal/serialize/keyvalues_no_slog.go | 97 - .../v2/internal/serialize/keyvalues_slog.go | 155 -- .../klog/v2/internal/severity/severity.go | 58 - .../internal/sloghandler/sloghandler_slog.go | 96 - vendor/k8s.io/klog/v2/k8s_references.go | 212 -- vendor/k8s.io/klog/v2/k8s_references_slog.go | 39 - vendor/k8s.io/klog/v2/klog.go | 1746 ----------------- vendor/k8s.io/klog/v2/klog_file.go | 130 -- vendor/k8s.io/klog/v2/klog_file_others.go | 19 - vendor/k8s.io/klog/v2/klog_file_windows.go | 34 - vendor/k8s.io/klog/v2/klogr.go | 105 - vendor/k8s.io/klog/v2/klogr_slog.go | 96 - vendor/k8s.io/klog/v2/safeptr.go | 34 - vendor/k8s.io/mount-utils/LICENSE | 201 -- vendor/k8s.io/mount-utils/OWNERS | 15 - vendor/k8s.io/mount-utils/README.md | 31 - vendor/k8s.io/mount-utils/SECURITY_CONTACTS | 18 - vendor/k8s.io/mount-utils/code-of-conduct.md | 3 - vendor/k8s.io/mount-utils/doc.go | 18 - vendor/k8s.io/mount-utils/fake_mounter.go | 242 --- vendor/k8s.io/mount-utils/mount.go | 401 ---- .../k8s.io/mount-utils/mount_helper_common.go | 157 -- .../k8s.io/mount-utils/mount_helper_unix.go | 250 --- .../mount-utils/mount_helper_windows.go | 111 -- vendor/k8s.io/mount-utils/mount_linux.go | 889 --------- .../k8s.io/mount-utils/mount_unsupported.go | 105 - vendor/k8s.io/mount-utils/mount_windows.go | 358 ---- vendor/k8s.io/mount-utils/resizefs_linux.go | 296 --- .../mount-utils/resizefs_unsupported.go | 46 - vendor/k8s.io/utils/LICENSE | 202 -- vendor/k8s.io/utils/exec/README.md | 5 - vendor/k8s.io/utils/exec/doc.go | 18 - vendor/k8s.io/utils/exec/exec.go | 256 --- vendor/k8s.io/utils/exec/fixup_go118.go | 32 - vendor/k8s.io/utils/exec/fixup_go119.go | 40 - vendor/k8s.io/utils/io/README.md | 4 - vendor/k8s.io/utils/io/read.go | 98 - vendor/k8s.io/utils/keymutex/hashed.go | 58 - vendor/k8s.io/utils/keymutex/keymutex.go | 27 - vendor/modules.txt | 25 +- 92 files changed, 111 insertions(+), 10946 deletions(-) delete mode 100644 vendor/github.com/go-logr/logr/.golangci.yaml delete mode 100644 vendor/github.com/go-logr/logr/CHANGELOG.md delete mode 100644 vendor/github.com/go-logr/logr/CONTRIBUTING.md delete mode 100644 vendor/github.com/go-logr/logr/LICENSE delete mode 100644 vendor/github.com/go-logr/logr/README.md delete mode 100644 vendor/github.com/go-logr/logr/SECURITY.md delete mode 100644 vendor/github.com/go-logr/logr/context.go delete mode 100644 vendor/github.com/go-logr/logr/context_noslog.go delete mode 100644 vendor/github.com/go-logr/logr/context_slog.go delete mode 100644 vendor/github.com/go-logr/logr/discard.go delete mode 100644 vendor/github.com/go-logr/logr/logr.go delete mode 100644 vendor/github.com/go-logr/logr/sloghandler.go delete mode 100644 vendor/github.com/go-logr/logr/slogr.go delete mode 100644 vendor/github.com/go-logr/logr/slogsink.go delete mode 100644 vendor/github.com/longhorn/go-common-libs/utils/longhorn_naming.go delete mode 100644 vendor/github.com/longhorn/go-common-libs/utils/mount.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/LICENSE delete mode 100644 vendor/github.com/moby/sys/mountinfo/doc.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mounted_linux.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mounted_unix.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_bsd.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_freebsdlike.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_openbsd.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_unsupported.go delete mode 100644 vendor/github.com/moby/sys/mountinfo/mountinfo_windows.go delete mode 100644 vendor/k8s.io/klog/v2/.gitignore delete mode 100644 vendor/k8s.io/klog/v2/.golangci.yaml delete mode 100644 vendor/k8s.io/klog/v2/CONTRIBUTING.md delete mode 100644 vendor/k8s.io/klog/v2/LICENSE delete mode 100644 vendor/k8s.io/klog/v2/OWNERS delete mode 100644 vendor/k8s.io/klog/v2/README.md delete mode 100644 vendor/k8s.io/klog/v2/RELEASE.md delete mode 100644 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vendor/k8s.io/klog/v2/internal/sloghandler/sloghandler_slog.go delete mode 100644 vendor/k8s.io/klog/v2/k8s_references.go delete mode 100644 vendor/k8s.io/klog/v2/k8s_references_slog.go delete mode 100644 vendor/k8s.io/klog/v2/klog.go delete mode 100644 vendor/k8s.io/klog/v2/klog_file.go delete mode 100644 vendor/k8s.io/klog/v2/klog_file_others.go delete mode 100644 vendor/k8s.io/klog/v2/klog_file_windows.go delete mode 100644 vendor/k8s.io/klog/v2/klogr.go delete mode 100644 vendor/k8s.io/klog/v2/klogr_slog.go delete mode 100644 vendor/k8s.io/klog/v2/safeptr.go delete mode 100644 vendor/k8s.io/mount-utils/LICENSE delete mode 100644 vendor/k8s.io/mount-utils/OWNERS delete mode 100644 vendor/k8s.io/mount-utils/README.md delete mode 100644 vendor/k8s.io/mount-utils/SECURITY_CONTACTS delete mode 100644 vendor/k8s.io/mount-utils/code-of-conduct.md delete mode 100644 vendor/k8s.io/mount-utils/doc.go delete mode 100644 vendor/k8s.io/mount-utils/fake_mounter.go delete mode 100644 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vendor/k8s.io/utils/keymutex/hashed.go delete mode 100644 vendor/k8s.io/utils/keymutex/keymutex.go diff --git a/go.mod b/go.mod index 239775a..c3fd52e 100644 --- a/go.mod +++ b/go.mod @@ -5,7 +5,7 @@ go 1.22.0 toolchain go1.22.4 require ( - github.com/longhorn/go-common-libs v0.0.0-20240616051056-103c7d62a0d5 + github.com/longhorn/go-common-libs v0.0.0-20240623073303-1d8b9c5efb84 github.com/pkg/errors v0.9.1 github.com/sirupsen/logrus v1.9.3 golang.org/x/sys v0.21.0 @@ -14,18 +14,13 @@ require ( require ( github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8 // indirect - github.com/go-logr/logr v1.4.1 // indirect github.com/go-ole/go-ole v1.2.6 // indirect github.com/google/uuid v1.6.0 // indirect github.com/kr/pretty v0.3.1 // indirect github.com/kr/text v0.2.0 // indirect github.com/mitchellh/go-ps v1.0.0 // indirect - github.com/moby/sys/mountinfo v0.6.2 // indirect github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect github.com/rogpeppe/go-internal v1.10.0 // indirect github.com/shirou/gopsutil/v3 v3.24.5 // indirect github.com/yusufpapurcu/wmi v1.2.4 // indirect - k8s.io/klog/v2 v2.120.1 // indirect - k8s.io/mount-utils v0.30.2 // indirect - k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect ) diff --git a/go.sum b/go.sum index 7cefe8b..50383b6 100644 --- a/go.sum +++ b/go.sum @@ -4,8 +4,6 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ= -github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY= github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0= github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= @@ -17,12 +15,10 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= -github.com/longhorn/go-common-libs v0.0.0-20240616051056-103c7d62a0d5 h1:Ljroa7ftGJQsu38xoUlRVqZpfpkoIdrpzLM2/Qov/Vw= -github.com/longhorn/go-common-libs v0.0.0-20240616051056-103c7d62a0d5/go.mod h1:f4+Aeju9AmWPDfy7t2n0bv0Zyte8Hhs6ZhWFVf2BfWU= +github.com/longhorn/go-common-libs v0.0.0-20240623073303-1d8b9c5efb84 h1:Xs/R238l7vkix/zu5XfLHmzMWwkN985j9I5msJ1DmgA= +github.com/longhorn/go-common-libs v0.0.0-20240623073303-1d8b9c5efb84/go.mod h1:g9PDfwta/vyRjIadpborYon3OR3c58Dz6zEjHksw6Tk= github.com/mitchellh/go-ps v1.0.0 h1:i6ampVEEF4wQFF+bkYfwYgY+F/uYJDktmvLPf7qIgjc= github.com/mitchellh/go-ps v1.0.0/go.mod h1:J4lOc8z8yJs6vUwklHw2XEIiT4z4C40KtWVN3nvg8Pg= -github.com/moby/sys/mountinfo v0.6.2 h1:BzJjoreD5BMFNmD9Rus6gdd1pLuecOFPt8wC+Vygl78= -github.com/moby/sys/mountinfo v0.6.2/go.mod h1:IJb6JQeOklcdMU9F5xQ8ZALD+CUr5VlGpwtX+VE0rpI= github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -45,7 +41,6 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0= golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws= golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= @@ -55,9 +50,3 @@ gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EV gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= -k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw= -k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= -k8s.io/mount-utils v0.30.2 h1:2KDVY9hXyDyRw9EO4lmox4+Nn5atVOq+4ffZ/br2aAU= -k8s.io/mount-utils v0.30.2/go.mod h1:9sCVmwGLcV1MPvbZ+rToMDnl1QcGozy+jBPd0MsQLIo= -k8s.io/utils v0.0.0-20230726121419-3b25d923346b h1:sgn3ZU783SCgtaSJjpcVVlRqd6GSnlTLKgpAAttJvpI= -k8s.io/utils v0.0.0-20230726121419-3b25d923346b/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= diff --git a/vendor/github.com/go-logr/logr/.golangci.yaml b/vendor/github.com/go-logr/logr/.golangci.yaml deleted file mode 100644 index 0cffafa..0000000 --- a/vendor/github.com/go-logr/logr/.golangci.yaml +++ /dev/null @@ -1,26 +0,0 @@ -run: - timeout: 1m - tests: true - -linters: - disable-all: true - enable: - - asciicheck - - errcheck - - forcetypeassert - - gocritic - - gofmt - - goimports - - gosimple - - govet - - ineffassign - - misspell - - revive - - staticcheck - - typecheck - - unused - -issues: - exclude-use-default: false - max-issues-per-linter: 0 - max-same-issues: 10 diff --git a/vendor/github.com/go-logr/logr/CHANGELOG.md b/vendor/github.com/go-logr/logr/CHANGELOG.md deleted file mode 100644 index c356960..0000000 --- a/vendor/github.com/go-logr/logr/CHANGELOG.md +++ /dev/null @@ -1,6 +0,0 @@ -# CHANGELOG - -## v1.0.0-rc1 - -This is the first logged release. Major changes (including breaking changes) -have occurred since earlier tags. diff --git a/vendor/github.com/go-logr/logr/CONTRIBUTING.md b/vendor/github.com/go-logr/logr/CONTRIBUTING.md deleted file mode 100644 index 5d37e29..0000000 --- a/vendor/github.com/go-logr/logr/CONTRIBUTING.md +++ /dev/null @@ -1,17 +0,0 @@ -# Contributing - -Logr is open to pull-requests, provided they fit within the intended scope of -the project. Specifically, this library aims to be VERY small and minimalist, -with no external dependencies. - -## Compatibility - -This project intends to follow [semantic versioning](http://semver.org) and -is very strict about compatibility. Any proposed changes MUST follow those -rules. - -## Performance - -As a logging library, logr must be as light-weight as possible. Any proposed -code change must include results of running the [benchmark](./benchmark) -before and after the change. diff --git a/vendor/github.com/go-logr/logr/LICENSE b/vendor/github.com/go-logr/logr/LICENSE deleted file mode 100644 index 8dada3e..0000000 --- a/vendor/github.com/go-logr/logr/LICENSE +++ /dev/null @@ -1,201 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. 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This is not -an implementation of logging - it is an API. In fact it is two APIs with two -different sets of users. - -The `Logger` type is intended for application and library authors. It provides -a relatively small API which can be used everywhere you want to emit logs. It -defers the actual act of writing logs (to files, to stdout, or whatever) to the -`LogSink` interface. - -The `LogSink` interface is intended for logging library implementers. It is a -pure interface which can be implemented by logging frameworks to provide the actual logging -functionality. - -This decoupling allows application and library developers to write code in -terms of `logr.Logger` (which has very low dependency fan-out) while the -implementation of logging is managed "up stack" (e.g. in or near `main()`.) -Application developers can then switch out implementations as necessary. - -Many people assert that libraries should not be logging, and as such efforts -like this are pointless. Those people are welcome to convince the authors of -the tens-of-thousands of libraries that *DO* write logs that they are all -wrong. In the meantime, logr takes a more practical approach. - -## Typical usage - -Somewhere, early in an application's life, it will make a decision about which -logging library (implementation) it actually wants to use. Something like: - -``` - func main() { - // ... other setup code ... - - // Create the "root" logger. We have chosen the "logimpl" implementation, - // which takes some initial parameters and returns a logr.Logger. - logger := logimpl.New(param1, param2) - - // ... other setup code ... -``` - -Most apps will call into other libraries, create structures to govern the flow, -etc. The `logr.Logger` object can be passed to these other libraries, stored -in structs, or even used as a package-global variable, if needed. For example: - -``` - app := createTheAppObject(logger) - app.Run() -``` - -Outside of this early setup, no other packages need to know about the choice of -implementation. They write logs in terms of the `logr.Logger` that they -received: - -``` - type appObject struct { - // ... other fields ... - logger logr.Logger - // ... other fields ... - } - - func (app *appObject) Run() { - app.logger.Info("starting up", "timestamp", time.Now()) - - // ... app code ... -``` - -## Background - -If the Go standard library had defined an interface for logging, this project -probably would not be needed. Alas, here we are. - -When the Go developers started developing such an interface with -[slog](https://github.com/golang/go/issues/56345), they adopted some of the -logr design but also left out some parts and changed others: - -| Feature | logr | slog | -|---------|------|------| -| High-level API | `Logger` (passed by value) | `Logger` (passed by [pointer](https://github.com/golang/go/issues/59126)) | -| Low-level API | `LogSink` | `Handler` | -| Stack unwinding | done by `LogSink` | done by `Logger` | -| Skipping helper functions | `WithCallDepth`, `WithCallStackHelper` | [not supported by Logger](https://github.com/golang/go/issues/59145) | -| Generating a value for logging on demand | `Marshaler` | `LogValuer` | -| Log levels | >= 0, higher meaning "less important" | positive and negative, with 0 for "info" and higher meaning "more important" | -| Error log entries | always logged, don't have a verbosity level | normal log entries with level >= `LevelError` | -| Passing logger via context | `NewContext`, `FromContext` | no API | -| Adding a name to a logger | `WithName` | no API | -| Modify verbosity of log entries in a call chain | `V` | no API | -| Grouping of key/value pairs | not supported | `WithGroup`, `GroupValue` | -| Pass context for extracting additional values | no API | API variants like `InfoCtx` | - -The high-level slog API is explicitly meant to be one of many different APIs -that can be layered on top of a shared `slog.Handler`. logr is one such -alternative API, with [interoperability](#slog-interoperability) provided by -some conversion functions. - -### Inspiration - -Before you consider this package, please read [this blog post by the -inimitable Dave Cheney][warning-makes-no-sense]. We really appreciate what -he has to say, and it largely aligns with our own experiences. - -### Differences from Dave's ideas - -The main differences are: - -1. Dave basically proposes doing away with the notion of a logging API in favor -of `fmt.Printf()`. We disagree, especially when you consider things like output -locations, timestamps, file and line decorations, and structured logging. This -package restricts the logging API to just 2 types of logs: info and error. - -Info logs are things you want to tell the user which are not errors. Error -logs are, well, errors. If your code receives an `error` from a subordinate -function call and is logging that `error` *and not returning it*, use error -logs. - -2. Verbosity-levels on info logs. This gives developers a chance to indicate -arbitrary grades of importance for info logs, without assigning names with -semantic meaning such as "warning", "trace", and "debug." Superficially this -may feel very similar, but the primary difference is the lack of semantics. -Because verbosity is a numerical value, it's safe to assume that an app running -with higher verbosity means more (and less important) logs will be generated. - -## Implementations (non-exhaustive) - -There are implementations for the following logging libraries: - -- **a function** (can bridge to non-structured libraries): [funcr](https://github.com/go-logr/logr/tree/master/funcr) -- **a testing.T** (for use in Go tests, with JSON-like output): [testr](https://github.com/go-logr/logr/tree/master/testr) -- **github.com/google/glog**: [glogr](https://github.com/go-logr/glogr) -- **k8s.io/klog** (for Kubernetes): [klogr](https://git.k8s.io/klog/klogr) -- **a testing.T** (with klog-like text output): [ktesting](https://git.k8s.io/klog/ktesting) -- **go.uber.org/zap**: [zapr](https://github.com/go-logr/zapr) -- **log** (the Go standard library logger): [stdr](https://github.com/go-logr/stdr) -- **github.com/sirupsen/logrus**: [logrusr](https://github.com/bombsimon/logrusr) -- **github.com/wojas/genericr**: [genericr](https://github.com/wojas/genericr) (makes it easy to implement your own backend) -- **logfmt** (Heroku style [logging](https://www.brandur.org/logfmt)): [logfmtr](https://github.com/iand/logfmtr) -- **github.com/rs/zerolog**: [zerologr](https://github.com/go-logr/zerologr) -- **github.com/go-kit/log**: [gokitlogr](https://github.com/tonglil/gokitlogr) (also compatible with github.com/go-kit/kit/log since v0.12.0) -- **bytes.Buffer** (writing to a buffer): [bufrlogr](https://github.com/tonglil/buflogr) (useful for ensuring values were logged, like during testing) - -## slog interoperability - -Interoperability goes both ways, using the `logr.Logger` API with a `slog.Handler` -and using the `slog.Logger` API with a `logr.LogSink`. `FromSlogHandler` and -`ToSlogHandler` convert between a `logr.Logger` and a `slog.Handler`. -As usual, `slog.New` can be used to wrap such a `slog.Handler` in the high-level -slog API. - -### Using a `logr.LogSink` as backend for slog - -Ideally, a logr sink implementation should support both logr and slog by -implementing both the normal logr interface(s) and `SlogSink`. Because -of a conflict in the parameters of the common `Enabled` method, it is [not -possible to implement both slog.Handler and logr.Sink in the same -type](https://github.com/golang/go/issues/59110). - -If both are supported, log calls can go from the high-level APIs to the backend -without the need to convert parameters. `FromSlogHandler` and `ToSlogHandler` can -convert back and forth without adding additional wrappers, with one exception: -when `Logger.V` was used to adjust the verbosity for a `slog.Handler`, then -`ToSlogHandler` has to use a wrapper which adjusts the verbosity for future -log calls. - -Such an implementation should also support values that implement specific -interfaces from both packages for logging (`logr.Marshaler`, `slog.LogValuer`, -`slog.GroupValue`). logr does not convert those. - -Not supporting slog has several drawbacks: -- Recording source code locations works correctly if the handler gets called - through `slog.Logger`, but may be wrong in other cases. That's because a - `logr.Sink` does its own stack unwinding instead of using the program counter - provided by the high-level API. -- slog levels <= 0 can be mapped to logr levels by negating the level without a - loss of information. But all slog levels > 0 (e.g. `slog.LevelWarning` as - used by `slog.Logger.Warn`) must be mapped to 0 before calling the sink - because logr does not support "more important than info" levels. -- The slog group concept is supported by prefixing each key in a key/value - pair with the group names, separated by a dot. For structured output like - JSON it would be better to group the key/value pairs inside an object. -- Special slog values and interfaces don't work as expected. -- The overhead is likely to be higher. - -These drawbacks are severe enough that applications using a mixture of slog and -logr should switch to a different backend. - -### Using a `slog.Handler` as backend for logr - -Using a plain `slog.Handler` without support for logr works better than the -other direction: -- All logr verbosity levels can be mapped 1:1 to their corresponding slog level - by negating them. -- Stack unwinding is done by the `SlogSink` and the resulting program - counter is passed to the `slog.Handler`. -- Names added via `Logger.WithName` are gathered and recorded in an additional - attribute with `logger` as key and the names separated by slash as value. -- `Logger.Error` is turned into a log record with `slog.LevelError` as level - and an additional attribute with `err` as key, if an error was provided. - -The main drawback is that `logr.Marshaler` will not be supported. Types should -ideally support both `logr.Marshaler` and `slog.Valuer`. If compatibility -with logr implementations without slog support is not important, then -`slog.Valuer` is sufficient. - -### Context support for slog - -Storing a logger in a `context.Context` is not supported by -slog. `NewContextWithSlogLogger` and `FromContextAsSlogLogger` can be -used to fill this gap. They store and retrieve a `slog.Logger` pointer -under the same context key that is also used by `NewContext` and -`FromContext` for `logr.Logger` value. - -When `NewContextWithSlogLogger` is followed by `FromContext`, the latter will -automatically convert the `slog.Logger` to a -`logr.Logger`. `FromContextAsSlogLogger` does the same for the other direction. - -With this approach, binaries which use either slog or logr are as efficient as -possible with no unnecessary allocations. This is also why the API stores a -`slog.Logger` pointer: when storing a `slog.Handler`, creating a `slog.Logger` -on retrieval would need to allocate one. - -The downside is that switching back and forth needs more allocations. Because -logr is the API that is already in use by different packages, in particular -Kubernetes, the recommendation is to use the `logr.Logger` API in code which -uses contextual logging. - -An alternative to adding values to a logger and storing that logger in the -context is to store the values in the context and to configure a logging -backend to extract those values when emitting log entries. This only works when -log calls are passed the context, which is not supported by the logr API. - -With the slog API, it is possible, but not -required. https://github.com/veqryn/slog-context is a package for slog which -provides additional support code for this approach. It also contains wrappers -for the context functions in logr, so developers who prefer to not use the logr -APIs directly can use those instead and the resulting code will still be -interoperable with logr. - -## FAQ - -### Conceptual - -#### Why structured logging? - -- **Structured logs are more easily queryable**: Since you've got - key-value pairs, it's much easier to query your structured logs for - particular values by filtering on the contents of a particular key -- - think searching request logs for error codes, Kubernetes reconcilers for - the name and namespace of the reconciled object, etc. - -- **Structured logging makes it easier to have cross-referenceable logs**: - Similarly to searchability, if you maintain conventions around your - keys, it becomes easy to gather all log lines related to a particular - concept. - -- **Structured logs allow better dimensions of filtering**: if you have - structure to your logs, you've got more precise control over how much - information is logged -- you might choose in a particular configuration - to log certain keys but not others, only log lines where a certain key - matches a certain value, etc., instead of just having v-levels and names - to key off of. - -- **Structured logs better represent structured data**: sometimes, the - data that you want to log is inherently structured (think tuple-link - objects.) Structured logs allow you to preserve that structure when - outputting. - -#### Why V-levels? - -**V-levels give operators an easy way to control the chattiness of log -operations**. V-levels provide a way for a given package to distinguish -the relative importance or verbosity of a given log message. Then, if -a particular logger or package is logging too many messages, the user -of the package can simply change the v-levels for that library. - -#### Why not named levels, like Info/Warning/Error? - -Read [Dave Cheney's post][warning-makes-no-sense]. Then read [Differences -from Dave's ideas](#differences-from-daves-ideas). - -#### Why not allow format strings, too? - -**Format strings negate many of the benefits of structured logs**: - -- They're not easily searchable without resorting to fuzzy searching, - regular expressions, etc. - -- They don't store structured data well, since contents are flattened into - a string. - -- They're not cross-referenceable. - -- They don't compress easily, since the message is not constant. - -(Unless you turn positional parameters into key-value pairs with numerical -keys, at which point you've gotten key-value logging with meaningless -keys.) - -### Practical - -#### Why key-value pairs, and not a map? - -Key-value pairs are *much* easier to optimize, especially around -allocations. Zap (a structured logger that inspired logr's interface) has -[performance measurements](https://github.com/uber-go/zap#performance) -that show this quite nicely. - -While the interface ends up being a little less obvious, you get -potentially better performance, plus avoid making users type -`map[string]string{}` every time they want to log. - -#### What if my V-levels differ between libraries? - -That's fine. Control your V-levels on a per-logger basis, and use the -`WithName` method to pass different loggers to different libraries. - -Generally, you should take care to ensure that you have relatively -consistent V-levels within a given logger, however, as this makes deciding -on what verbosity of logs to request easier. - -#### But I really want to use a format string! - -That's not actually a question. Assuming your question is "how do -I convert my mental model of logging with format strings to logging with -constant messages": - -1. Figure out what the error actually is, as you'd write in a TL;DR style, - and use that as a message. - -2. For every place you'd write a format specifier, look to the word before - it, and add that as a key value pair. - -For instance, consider the following examples (all taken from spots in the -Kubernetes codebase): - -- `klog.V(4).Infof("Client is returning errors: code %v, error %v", - responseCode, err)` becomes `logger.Error(err, "client returned an - error", "code", responseCode)` - -- `klog.V(4).Infof("Got a Retry-After %ds response for attempt %d to %v", - seconds, retries, url)` becomes `logger.V(4).Info("got a retry-after - response when requesting url", "attempt", retries, "after - seconds", seconds, "url", url)` - -If you *really* must use a format string, use it in a key's value, and -call `fmt.Sprintf` yourself. For instance: `log.Printf("unable to -reflect over type %T")` becomes `logger.Info("unable to reflect over -type", "type", fmt.Sprintf("%T"))`. In general though, the cases where -this is necessary should be few and far between. - -#### How do I choose my V-levels? - -This is basically the only hard constraint: increase V-levels to denote -more verbose or more debug-y logs. - -Otherwise, you can start out with `0` as "you always want to see this", -`1` as "common logging that you might *possibly* want to turn off", and -`10` as "I would like to performance-test your log collection stack." - -Then gradually choose levels in between as you need them, working your way -down from 10 (for debug and trace style logs) and up from 1 (for chattier -info-type logs). For reference, slog pre-defines -4 for debug logs -(corresponds to 4 in logr), which matches what is -[recommended for Kubernetes](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md#what-method-to-use). - -#### How do I choose my keys? - -Keys are fairly flexible, and can hold more or less any string -value. For best compatibility with implementations and consistency -with existing code in other projects, there are a few conventions you -should consider. - -- Make your keys human-readable. -- Constant keys are generally a good idea. -- Be consistent across your codebase. -- Keys should naturally match parts of the message string. -- Use lower case for simple keys and - [lowerCamelCase](https://en.wiktionary.org/wiki/lowerCamelCase) for - more complex ones. Kubernetes is one example of a project that has - [adopted that - convention](https://github.com/kubernetes/community/blob/HEAD/contributors/devel/sig-instrumentation/migration-to-structured-logging.md#name-arguments). - -While key names are mostly unrestricted (and spaces are acceptable), -it's generally a good idea to stick to printable ascii characters, or at -least match the general character set of your log lines. - -#### Why should keys be constant values? - -The point of structured logging is to make later log processing easier. Your -keys are, effectively, the schema of each log message. If you use different -keys across instances of the same log line, you will make your structured logs -much harder to use. `Sprintf()` is for values, not for keys! - -#### Why is this not a pure interface? - -The Logger type is implemented as a struct in order to allow the Go compiler to -optimize things like high-V `Info` logs that are not triggered. Not all of -these implementations are implemented yet, but this structure was suggested as -a way to ensure they *can* be implemented. All of the real work is behind the -`LogSink` interface. - -[warning-makes-no-sense]: http://dave.cheney.net/2015/11/05/lets-talk-about-logging diff --git a/vendor/github.com/go-logr/logr/SECURITY.md b/vendor/github.com/go-logr/logr/SECURITY.md deleted file mode 100644 index 1ca756f..0000000 --- a/vendor/github.com/go-logr/logr/SECURITY.md +++ /dev/null @@ -1,18 +0,0 @@ -# Security Policy - -If you have discovered a security vulnerability in this project, please report it -privately. **Do not disclose it as a public issue.** This gives us time to work with you -to fix the issue before public exposure, reducing the chance that the exploit will be -used before a patch is released. - -You may submit the report in the following ways: - -- send an email to go-logr-security@googlegroups.com -- send us a [private vulnerability report](https://github.com/go-logr/logr/security/advisories/new) - -Please provide the following information in your report: - -- A description of the vulnerability and its impact -- How to reproduce the issue - -We ask that you give us 90 days to work on a fix before public exposure. diff --git a/vendor/github.com/go-logr/logr/context.go b/vendor/github.com/go-logr/logr/context.go deleted file mode 100644 index de8bcc3..0000000 --- a/vendor/github.com/go-logr/logr/context.go +++ /dev/null @@ -1,33 +0,0 @@ -/* -Copyright 2023 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -// contextKey is how we find Loggers in a context.Context. With Go < 1.21, -// the value is always a Logger value. With Go >= 1.21, the value can be a -// Logger value or a slog.Logger pointer. -type contextKey struct{} - -// notFoundError exists to carry an IsNotFound method. -type notFoundError struct{} - -func (notFoundError) Error() string { - return "no logr.Logger was present" -} - -func (notFoundError) IsNotFound() bool { - return true -} diff --git a/vendor/github.com/go-logr/logr/context_noslog.go b/vendor/github.com/go-logr/logr/context_noslog.go deleted file mode 100644 index f012f9a..0000000 --- a/vendor/github.com/go-logr/logr/context_noslog.go +++ /dev/null @@ -1,49 +0,0 @@ -//go:build !go1.21 -// +build !go1.21 - -/* -Copyright 2019 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -import ( - "context" -) - -// FromContext returns a Logger from ctx or an error if no Logger is found. -func FromContext(ctx context.Context) (Logger, error) { - if v, ok := ctx.Value(contextKey{}).(Logger); ok { - return v, nil - } - - return Logger{}, notFoundError{} -} - -// FromContextOrDiscard returns a Logger from ctx. If no Logger is found, this -// returns a Logger that discards all log messages. -func FromContextOrDiscard(ctx context.Context) Logger { - if v, ok := ctx.Value(contextKey{}).(Logger); ok { - return v - } - - return Discard() -} - -// NewContext returns a new Context, derived from ctx, which carries the -// provided Logger. -func NewContext(ctx context.Context, logger Logger) context.Context { - return context.WithValue(ctx, contextKey{}, logger) -} diff --git a/vendor/github.com/go-logr/logr/context_slog.go b/vendor/github.com/go-logr/logr/context_slog.go deleted file mode 100644 index 065ef0b..0000000 --- a/vendor/github.com/go-logr/logr/context_slog.go +++ /dev/null @@ -1,83 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2019 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -import ( - "context" - "fmt" - "log/slog" -) - -// FromContext returns a Logger from ctx or an error if no Logger is found. -func FromContext(ctx context.Context) (Logger, error) { - v := ctx.Value(contextKey{}) - if v == nil { - return Logger{}, notFoundError{} - } - - switch v := v.(type) { - case Logger: - return v, nil - case *slog.Logger: - return FromSlogHandler(v.Handler()), nil - default: - // Not reached. - panic(fmt.Sprintf("unexpected value type for logr context key: %T", v)) - } -} - -// FromContextAsSlogLogger returns a slog.Logger from ctx or nil if no such Logger is found. -func FromContextAsSlogLogger(ctx context.Context) *slog.Logger { - v := ctx.Value(contextKey{}) - if v == nil { - return nil - } - - switch v := v.(type) { - case Logger: - return slog.New(ToSlogHandler(v)) - case *slog.Logger: - return v - default: - // Not reached. - panic(fmt.Sprintf("unexpected value type for logr context key: %T", v)) - } -} - -// FromContextOrDiscard returns a Logger from ctx. If no Logger is found, this -// returns a Logger that discards all log messages. -func FromContextOrDiscard(ctx context.Context) Logger { - if logger, err := FromContext(ctx); err == nil { - return logger - } - return Discard() -} - -// NewContext returns a new Context, derived from ctx, which carries the -// provided Logger. -func NewContext(ctx context.Context, logger Logger) context.Context { - return context.WithValue(ctx, contextKey{}, logger) -} - -// NewContextWithSlogLogger returns a new Context, derived from ctx, which carries the -// provided slog.Logger. -func NewContextWithSlogLogger(ctx context.Context, logger *slog.Logger) context.Context { - return context.WithValue(ctx, contextKey{}, logger) -} diff --git a/vendor/github.com/go-logr/logr/discard.go b/vendor/github.com/go-logr/logr/discard.go deleted file mode 100644 index 99fe8be..0000000 --- a/vendor/github.com/go-logr/logr/discard.go +++ /dev/null @@ -1,24 +0,0 @@ -/* -Copyright 2020 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -// Discard returns a Logger that discards all messages logged to it. It can be -// used whenever the caller is not interested in the logs. Logger instances -// produced by this function always compare as equal. -func Discard() Logger { - return New(nil) -} diff --git a/vendor/github.com/go-logr/logr/logr.go b/vendor/github.com/go-logr/logr/logr.go deleted file mode 100644 index b4428e1..0000000 --- a/vendor/github.com/go-logr/logr/logr.go +++ /dev/null @@ -1,520 +0,0 @@ -/* -Copyright 2019 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -// This design derives from Dave Cheney's blog: -// http://dave.cheney.net/2015/11/05/lets-talk-about-logging - -// Package logr defines a general-purpose logging API and abstract interfaces -// to back that API. Packages in the Go ecosystem can depend on this package, -// while callers can implement logging with whatever backend is appropriate. -// -// # Usage -// -// Logging is done using a Logger instance. Logger is a concrete type with -// methods, which defers the actual logging to a LogSink interface. The main -// methods of Logger are Info() and Error(). Arguments to Info() and Error() -// are key/value pairs rather than printf-style formatted strings, emphasizing -// "structured logging". -// -// With Go's standard log package, we might write: -// -// log.Printf("setting target value %s", targetValue) -// -// With logr's structured logging, we'd write: -// -// logger.Info("setting target", "value", targetValue) -// -// Errors are much the same. Instead of: -// -// log.Printf("failed to open the pod bay door for user %s: %v", user, err) -// -// We'd write: -// -// logger.Error(err, "failed to open the pod bay door", "user", user) -// -// Info() and Error() are very similar, but they are separate methods so that -// LogSink implementations can choose to do things like attach additional -// information (such as stack traces) on calls to Error(). Error() messages are -// always logged, regardless of the current verbosity. If there is no error -// instance available, passing nil is valid. -// -// # Verbosity -// -// Often we want to log information only when the application in "verbose -// mode". To write log lines that are more verbose, Logger has a V() method. -// The higher the V-level of a log line, the less critical it is considered. -// Log-lines with V-levels that are not enabled (as per the LogSink) will not -// be written. Level V(0) is the default, and logger.V(0).Info() has the same -// meaning as logger.Info(). Negative V-levels have the same meaning as V(0). -// Error messages do not have a verbosity level and are always logged. -// -// Where we might have written: -// -// if flVerbose >= 2 { -// log.Printf("an unusual thing happened") -// } -// -// We can write: -// -// logger.V(2).Info("an unusual thing happened") -// -// # Logger Names -// -// Logger instances can have name strings so that all messages logged through -// that instance have additional context. For example, you might want to add -// a subsystem name: -// -// logger.WithName("compactor").Info("started", "time", time.Now()) -// -// The WithName() method returns a new Logger, which can be passed to -// constructors or other functions for further use. Repeated use of WithName() -// will accumulate name "segments". These name segments will be joined in some -// way by the LogSink implementation. It is strongly recommended that name -// segments contain simple identifiers (letters, digits, and hyphen), and do -// not contain characters that could muddle the log output or confuse the -// joining operation (e.g. whitespace, commas, periods, slashes, brackets, -// quotes, etc). -// -// # Saved Values -// -// Logger instances can store any number of key/value pairs, which will be -// logged alongside all messages logged through that instance. For example, -// you might want to create a Logger instance per managed object: -// -// With the standard log package, we might write: -// -// log.Printf("decided to set field foo to value %q for object %s/%s", -// targetValue, object.Namespace, object.Name) -// -// With logr we'd write: -// -// // Elsewhere: set up the logger to log the object name. -// obj.logger = mainLogger.WithValues( -// "name", obj.name, "namespace", obj.namespace) -// -// // later on... -// obj.logger.Info("setting foo", "value", targetValue) -// -// # Best Practices -// -// Logger has very few hard rules, with the goal that LogSink implementations -// might have a lot of freedom to differentiate. There are, however, some -// things to consider. -// -// The log message consists of a constant message attached to the log line. -// This should generally be a simple description of what's occurring, and should -// never be a format string. Variable information can then be attached using -// named values. -// -// Keys are arbitrary strings, but should generally be constant values. Values -// may be any Go value, but how the value is formatted is determined by the -// LogSink implementation. -// -// Logger instances are meant to be passed around by value. Code that receives -// such a value can call its methods without having to check whether the -// instance is ready for use. -// -// The zero logger (= Logger{}) is identical to Discard() and discards all log -// entries. Code that receives a Logger by value can simply call it, the methods -// will never crash. For cases where passing a logger is optional, a pointer to Logger -// should be used. -// -// # Key Naming Conventions -// -// Keys are not strictly required to conform to any specification or regex, but -// it is recommended that they: -// - be human-readable and meaningful (not auto-generated or simple ordinals) -// - be constant (not dependent on input data) -// - contain only printable characters -// - not contain whitespace or punctuation -// - use lower case for simple keys and lowerCamelCase for more complex ones -// -// These guidelines help ensure that log data is processed properly regardless -// of the log implementation. For example, log implementations will try to -// output JSON data or will store data for later database (e.g. SQL) queries. -// -// While users are generally free to use key names of their choice, it's -// generally best to avoid using the following keys, as they're frequently used -// by implementations: -// - "caller": the calling information (file/line) of a particular log line -// - "error": the underlying error value in the `Error` method -// - "level": the log level -// - "logger": the name of the associated logger -// - "msg": the log message -// - "stacktrace": the stack trace associated with a particular log line or -// error (often from the `Error` message) -// - "ts": the timestamp for a log line -// -// Implementations are encouraged to make use of these keys to represent the -// above concepts, when necessary (for example, in a pure-JSON output form, it -// would be necessary to represent at least message and timestamp as ordinary -// named values). -// -// # Break Glass -// -// Implementations may choose to give callers access to the underlying -// logging implementation. The recommended pattern for this is: -// -// // Underlier exposes access to the underlying logging implementation. -// // Since callers only have a logr.Logger, they have to know which -// // implementation is in use, so this interface is less of an abstraction -// // and more of way to test type conversion. -// type Underlier interface { -// GetUnderlying() -// } -// -// Logger grants access to the sink to enable type assertions like this: -// -// func DoSomethingWithImpl(log logr.Logger) { -// if underlier, ok := log.GetSink().(impl.Underlier); ok { -// implLogger := underlier.GetUnderlying() -// ... -// } -// } -// -// Custom `With*` functions can be implemented by copying the complete -// Logger struct and replacing the sink in the copy: -// -// // WithFooBar changes the foobar parameter in the log sink and returns a -// // new logger with that modified sink. It does nothing for loggers where -// // the sink doesn't support that parameter. -// func WithFoobar(log logr.Logger, foobar int) logr.Logger { -// if foobarLogSink, ok := log.GetSink().(FoobarSink); ok { -// log = log.WithSink(foobarLogSink.WithFooBar(foobar)) -// } -// return log -// } -// -// Don't use New to construct a new Logger with a LogSink retrieved from an -// existing Logger. Source code attribution might not work correctly and -// unexported fields in Logger get lost. -// -// Beware that the same LogSink instance may be shared by different logger -// instances. Calling functions that modify the LogSink will affect all of -// those. -package logr - -// New returns a new Logger instance. This is primarily used by libraries -// implementing LogSink, rather than end users. Passing a nil sink will create -// a Logger which discards all log lines. -func New(sink LogSink) Logger { - logger := Logger{} - logger.setSink(sink) - if sink != nil { - sink.Init(runtimeInfo) - } - return logger -} - -// setSink stores the sink and updates any related fields. It mutates the -// logger and thus is only safe to use for loggers that are not currently being -// used concurrently. -func (l *Logger) setSink(sink LogSink) { - l.sink = sink -} - -// GetSink returns the stored sink. -func (l Logger) GetSink() LogSink { - return l.sink -} - -// WithSink returns a copy of the logger with the new sink. -func (l Logger) WithSink(sink LogSink) Logger { - l.setSink(sink) - return l -} - -// Logger is an interface to an abstract logging implementation. This is a -// concrete type for performance reasons, but all the real work is passed on to -// a LogSink. Implementations of LogSink should provide their own constructors -// that return Logger, not LogSink. -// -// The underlying sink can be accessed through GetSink and be modified through -// WithSink. This enables the implementation of custom extensions (see "Break -// Glass" in the package documentation). Normally the sink should be used only -// indirectly. -type Logger struct { - sink LogSink - level int -} - -// Enabled tests whether this Logger is enabled. For example, commandline -// flags might be used to set the logging verbosity and disable some info logs. -func (l Logger) Enabled() bool { - // Some implementations of LogSink look at the caller in Enabled (e.g. - // different verbosity levels per package or file), but we only pass one - // CallDepth in (via Init). This means that all calls from Logger to the - // LogSink's Enabled, Info, and Error methods must have the same number of - // frames. In other words, Logger methods can't call other Logger methods - // which call these LogSink methods unless we do it the same in all paths. - return l.sink != nil && l.sink.Enabled(l.level) -} - -// Info logs a non-error message with the given key/value pairs as context. -// -// The msg argument should be used to add some constant description to the log -// line. The key/value pairs can then be used to add additional variable -// information. The key/value pairs must alternate string keys and arbitrary -// values. -func (l Logger) Info(msg string, keysAndValues ...any) { - if l.sink == nil { - return - } - if l.sink.Enabled(l.level) { // see comment in Enabled - if withHelper, ok := l.sink.(CallStackHelperLogSink); ok { - withHelper.GetCallStackHelper()() - } - l.sink.Info(l.level, msg, keysAndValues...) - } -} - -// Error logs an error, with the given message and key/value pairs as context. -// It functions similarly to Info, but may have unique behavior, and should be -// preferred for logging errors (see the package documentations for more -// information). The log message will always be emitted, regardless of -// verbosity level. -// -// The msg argument should be used to add context to any underlying error, -// while the err argument should be used to attach the actual error that -// triggered this log line, if present. The err parameter is optional -// and nil may be passed instead of an error instance. -func (l Logger) Error(err error, msg string, keysAndValues ...any) { - if l.sink == nil { - return - } - if withHelper, ok := l.sink.(CallStackHelperLogSink); ok { - withHelper.GetCallStackHelper()() - } - l.sink.Error(err, msg, keysAndValues...) -} - -// V returns a new Logger instance for a specific verbosity level, relative to -// this Logger. In other words, V-levels are additive. A higher verbosity -// level means a log message is less important. Negative V-levels are treated -// as 0. -func (l Logger) V(level int) Logger { - if l.sink == nil { - return l - } - if level < 0 { - level = 0 - } - l.level += level - return l -} - -// GetV returns the verbosity level of the logger. If the logger's LogSink is -// nil as in the Discard logger, this will always return 0. -func (l Logger) GetV() int { - // 0 if l.sink nil because of the if check in V above. - return l.level -} - -// WithValues returns a new Logger instance with additional key/value pairs. -// See Info for documentation on how key/value pairs work. -func (l Logger) WithValues(keysAndValues ...any) Logger { - if l.sink == nil { - return l - } - l.setSink(l.sink.WithValues(keysAndValues...)) - return l -} - -// WithName returns a new Logger instance with the specified name element added -// to the Logger's name. Successive calls with WithName append additional -// suffixes to the Logger's name. It's strongly recommended that name segments -// contain only letters, digits, and hyphens (see the package documentation for -// more information). -func (l Logger) WithName(name string) Logger { - if l.sink == nil { - return l - } - l.setSink(l.sink.WithName(name)) - return l -} - -// WithCallDepth returns a Logger instance that offsets the call stack by the -// specified number of frames when logging call site information, if possible. -// This is useful for users who have helper functions between the "real" call -// site and the actual calls to Logger methods. If depth is 0 the attribution -// should be to the direct caller of this function. If depth is 1 the -// attribution should skip 1 call frame, and so on. Successive calls to this -// are additive. -// -// If the underlying log implementation supports a WithCallDepth(int) method, -// it will be called and the result returned. If the implementation does not -// support CallDepthLogSink, the original Logger will be returned. -// -// To skip one level, WithCallStackHelper() should be used instead of -// WithCallDepth(1) because it works with implementions that support the -// CallDepthLogSink and/or CallStackHelperLogSink interfaces. -func (l Logger) WithCallDepth(depth int) Logger { - if l.sink == nil { - return l - } - if withCallDepth, ok := l.sink.(CallDepthLogSink); ok { - l.setSink(withCallDepth.WithCallDepth(depth)) - } - return l -} - -// WithCallStackHelper returns a new Logger instance that skips the direct -// caller when logging call site information, if possible. This is useful for -// users who have helper functions between the "real" call site and the actual -// calls to Logger methods and want to support loggers which depend on marking -// each individual helper function, like loggers based on testing.T. -// -// In addition to using that new logger instance, callers also must call the -// returned function. -// -// If the underlying log implementation supports a WithCallDepth(int) method, -// WithCallDepth(1) will be called to produce a new logger. If it supports a -// WithCallStackHelper() method, that will be also called. If the -// implementation does not support either of these, the original Logger will be -// returned. -func (l Logger) WithCallStackHelper() (func(), Logger) { - if l.sink == nil { - return func() {}, l - } - var helper func() - if withCallDepth, ok := l.sink.(CallDepthLogSink); ok { - l.setSink(withCallDepth.WithCallDepth(1)) - } - if withHelper, ok := l.sink.(CallStackHelperLogSink); ok { - helper = withHelper.GetCallStackHelper() - } else { - helper = func() {} - } - return helper, l -} - -// IsZero returns true if this logger is an uninitialized zero value -func (l Logger) IsZero() bool { - return l.sink == nil -} - -// RuntimeInfo holds information that the logr "core" library knows which -// LogSinks might want to know. -type RuntimeInfo struct { - // CallDepth is the number of call frames the logr library adds between the - // end-user and the LogSink. LogSink implementations which choose to print - // the original logging site (e.g. file & line) should climb this many - // additional frames to find it. - CallDepth int -} - -// runtimeInfo is a static global. It must not be changed at run time. -var runtimeInfo = RuntimeInfo{ - CallDepth: 1, -} - -// LogSink represents a logging implementation. End-users will generally not -// interact with this type. -type LogSink interface { - // Init receives optional information about the logr library for LogSink - // implementations that need it. - Init(info RuntimeInfo) - - // Enabled tests whether this LogSink is enabled at the specified V-level. - // For example, commandline flags might be used to set the logging - // verbosity and disable some info logs. - Enabled(level int) bool - - // Info logs a non-error message with the given key/value pairs as context. - // The level argument is provided for optional logging. This method will - // only be called when Enabled(level) is true. See Logger.Info for more - // details. - Info(level int, msg string, keysAndValues ...any) - - // Error logs an error, with the given message and key/value pairs as - // context. See Logger.Error for more details. - Error(err error, msg string, keysAndValues ...any) - - // WithValues returns a new LogSink with additional key/value pairs. See - // Logger.WithValues for more details. - WithValues(keysAndValues ...any) LogSink - - // WithName returns a new LogSink with the specified name appended. See - // Logger.WithName for more details. - WithName(name string) LogSink -} - -// CallDepthLogSink represents a LogSink that knows how to climb the call stack -// to identify the original call site and can offset the depth by a specified -// number of frames. This is useful for users who have helper functions -// between the "real" call site and the actual calls to Logger methods. -// Implementations that log information about the call site (such as file, -// function, or line) would otherwise log information about the intermediate -// helper functions. -// -// This is an optional interface and implementations are not required to -// support it. -type CallDepthLogSink interface { - // WithCallDepth returns a LogSink that will offset the call - // stack by the specified number of frames when logging call - // site information. - // - // If depth is 0, the LogSink should skip exactly the number - // of call frames defined in RuntimeInfo.CallDepth when Info - // or Error are called, i.e. the attribution should be to the - // direct caller of Logger.Info or Logger.Error. - // - // If depth is 1 the attribution should skip 1 call frame, and so on. - // Successive calls to this are additive. - WithCallDepth(depth int) LogSink -} - -// CallStackHelperLogSink represents a LogSink that knows how to climb -// the call stack to identify the original call site and can skip -// intermediate helper functions if they mark themselves as -// helper. Go's testing package uses that approach. -// -// This is useful for users who have helper functions between the -// "real" call site and the actual calls to Logger methods. -// Implementations that log information about the call site (such as -// file, function, or line) would otherwise log information about the -// intermediate helper functions. -// -// This is an optional interface and implementations are not required -// to support it. Implementations that choose to support this must not -// simply implement it as WithCallDepth(1), because -// Logger.WithCallStackHelper will call both methods if they are -// present. This should only be implemented for LogSinks that actually -// need it, as with testing.T. -type CallStackHelperLogSink interface { - // GetCallStackHelper returns a function that must be called - // to mark the direct caller as helper function when logging - // call site information. - GetCallStackHelper() func() -} - -// Marshaler is an optional interface that logged values may choose to -// implement. Loggers with structured output, such as JSON, should -// log the object return by the MarshalLog method instead of the -// original value. -type Marshaler interface { - // MarshalLog can be used to: - // - ensure that structs are not logged as strings when the original - // value has a String method: return a different type without a - // String method - // - select which fields of a complex type should get logged: - // return a simpler struct with fewer fields - // - log unexported fields: return a different struct - // with exported fields - // - // It may return any value of any type. - MarshalLog() any -} diff --git a/vendor/github.com/go-logr/logr/sloghandler.go b/vendor/github.com/go-logr/logr/sloghandler.go deleted file mode 100644 index 82d1ba4..0000000 --- a/vendor/github.com/go-logr/logr/sloghandler.go +++ /dev/null @@ -1,192 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -import ( - "context" - "log/slog" -) - -type slogHandler struct { - // May be nil, in which case all logs get discarded. - sink LogSink - // Non-nil if sink is non-nil and implements SlogSink. - slogSink SlogSink - - // groupPrefix collects values from WithGroup calls. It gets added as - // prefix to value keys when handling a log record. - groupPrefix string - - // levelBias can be set when constructing the handler to influence the - // slog.Level of log records. A positive levelBias reduces the - // slog.Level value. slog has no API to influence this value after the - // handler got created, so it can only be set indirectly through - // Logger.V. - levelBias slog.Level -} - -var _ slog.Handler = &slogHandler{} - -// groupSeparator is used to concatenate WithGroup names and attribute keys. -const groupSeparator = "." - -// GetLevel is used for black box unit testing. -func (l *slogHandler) GetLevel() slog.Level { - return l.levelBias -} - -func (l *slogHandler) Enabled(_ context.Context, level slog.Level) bool { - return l.sink != nil && (level >= slog.LevelError || l.sink.Enabled(l.levelFromSlog(level))) -} - -func (l *slogHandler) Handle(ctx context.Context, record slog.Record) error { - if l.slogSink != nil { - // Only adjust verbosity level of log entries < slog.LevelError. - if record.Level < slog.LevelError { - record.Level -= l.levelBias - } - return l.slogSink.Handle(ctx, record) - } - - // No need to check for nil sink here because Handle will only be called - // when Enabled returned true. - - kvList := make([]any, 0, 2*record.NumAttrs()) - record.Attrs(func(attr slog.Attr) bool { - kvList = attrToKVs(attr, l.groupPrefix, kvList) - return true - }) - if record.Level >= slog.LevelError { - l.sinkWithCallDepth().Error(nil, record.Message, kvList...) - } else { - level := l.levelFromSlog(record.Level) - l.sinkWithCallDepth().Info(level, record.Message, kvList...) - } - return nil -} - -// sinkWithCallDepth adjusts the stack unwinding so that when Error or Info -// are called by Handle, code in slog gets skipped. -// -// This offset currently (Go 1.21.0) works for calls through -// slog.New(ToSlogHandler(...)). There's no guarantee that the call -// chain won't change. Wrapping the handler will also break unwinding. It's -// still better than not adjusting at all.... -// -// This cannot be done when constructing the handler because FromSlogHandler needs -// access to the original sink without this adjustment. A second copy would -// work, but then WithAttrs would have to be called for both of them. -func (l *slogHandler) sinkWithCallDepth() LogSink { - if sink, ok := l.sink.(CallDepthLogSink); ok { - return sink.WithCallDepth(2) - } - return l.sink -} - -func (l *slogHandler) WithAttrs(attrs []slog.Attr) slog.Handler { - if l.sink == nil || len(attrs) == 0 { - return l - } - - clone := *l - if l.slogSink != nil { - clone.slogSink = l.slogSink.WithAttrs(attrs) - clone.sink = clone.slogSink - } else { - kvList := make([]any, 0, 2*len(attrs)) - for _, attr := range attrs { - kvList = attrToKVs(attr, l.groupPrefix, kvList) - } - clone.sink = l.sink.WithValues(kvList...) - } - return &clone -} - -func (l *slogHandler) WithGroup(name string) slog.Handler { - if l.sink == nil { - return l - } - if name == "" { - // slog says to inline empty groups - return l - } - clone := *l - if l.slogSink != nil { - clone.slogSink = l.slogSink.WithGroup(name) - clone.sink = clone.slogSink - } else { - clone.groupPrefix = addPrefix(clone.groupPrefix, name) - } - return &clone -} - -// attrToKVs appends a slog.Attr to a logr-style kvList. It handle slog Groups -// and other details of slog. -func attrToKVs(attr slog.Attr, groupPrefix string, kvList []any) []any { - attrVal := attr.Value.Resolve() - if attrVal.Kind() == slog.KindGroup { - groupVal := attrVal.Group() - grpKVs := make([]any, 0, 2*len(groupVal)) - prefix := groupPrefix - if attr.Key != "" { - prefix = addPrefix(groupPrefix, attr.Key) - } - for _, attr := range groupVal { - grpKVs = attrToKVs(attr, prefix, grpKVs) - } - kvList = append(kvList, grpKVs...) - } else if attr.Key != "" { - kvList = append(kvList, addPrefix(groupPrefix, attr.Key), attrVal.Any()) - } - - return kvList -} - -func addPrefix(prefix, name string) string { - if prefix == "" { - return name - } - if name == "" { - return prefix - } - return prefix + groupSeparator + name -} - -// levelFromSlog adjusts the level by the logger's verbosity and negates it. -// It ensures that the result is >= 0. This is necessary because the result is -// passed to a LogSink and that API did not historically document whether -// levels could be negative or what that meant. -// -// Some example usage: -// -// logrV0 := getMyLogger() -// logrV2 := logrV0.V(2) -// slogV2 := slog.New(logr.ToSlogHandler(logrV2)) -// slogV2.Debug("msg") // =~ logrV2.V(4) =~ logrV0.V(6) -// slogV2.Info("msg") // =~ logrV2.V(0) =~ logrV0.V(2) -// slogv2.Warn("msg") // =~ logrV2.V(-4) =~ logrV0.V(0) -func (l *slogHandler) levelFromSlog(level slog.Level) int { - result := -level - result += l.levelBias // in case the original Logger had a V level - if result < 0 { - result = 0 // because LogSink doesn't expect negative V levels - } - return int(result) -} diff --git a/vendor/github.com/go-logr/logr/slogr.go b/vendor/github.com/go-logr/logr/slogr.go deleted file mode 100644 index 28a83d0..0000000 --- a/vendor/github.com/go-logr/logr/slogr.go +++ /dev/null @@ -1,100 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -import ( - "context" - "log/slog" -) - -// FromSlogHandler returns a Logger which writes to the slog.Handler. -// -// The logr verbosity level is mapped to slog levels such that V(0) becomes -// slog.LevelInfo and V(4) becomes slog.LevelDebug. -func FromSlogHandler(handler slog.Handler) Logger { - if handler, ok := handler.(*slogHandler); ok { - if handler.sink == nil { - return Discard() - } - return New(handler.sink).V(int(handler.levelBias)) - } - return New(&slogSink{handler: handler}) -} - -// ToSlogHandler returns a slog.Handler which writes to the same sink as the Logger. -// -// The returned logger writes all records with level >= slog.LevelError as -// error log entries with LogSink.Error, regardless of the verbosity level of -// the Logger: -// -// logger := -// slog.New(ToSlogHandler(logger.V(10))).Error(...) -> logSink.Error(...) -// -// The level of all other records gets reduced by the verbosity -// level of the Logger and the result is negated. If it happens -// to be negative, then it gets replaced by zero because a LogSink -// is not expected to handled negative levels: -// -// slog.New(ToSlogHandler(logger)).Debug(...) -> logger.GetSink().Info(level=4, ...) -// slog.New(ToSlogHandler(logger)).Warning(...) -> logger.GetSink().Info(level=0, ...) -// slog.New(ToSlogHandler(logger)).Info(...) -> logger.GetSink().Info(level=0, ...) -// slog.New(ToSlogHandler(logger.V(4))).Info(...) -> logger.GetSink().Info(level=4, ...) -func ToSlogHandler(logger Logger) slog.Handler { - if sink, ok := logger.GetSink().(*slogSink); ok && logger.GetV() == 0 { - return sink.handler - } - - handler := &slogHandler{sink: logger.GetSink(), levelBias: slog.Level(logger.GetV())} - if slogSink, ok := handler.sink.(SlogSink); ok { - handler.slogSink = slogSink - } - return handler -} - -// SlogSink is an optional interface that a LogSink can implement to support -// logging through the slog.Logger or slog.Handler APIs better. It then should -// also support special slog values like slog.Group. When used as a -// slog.Handler, the advantages are: -// -// - stack unwinding gets avoided in favor of logging the pre-recorded PC, -// as intended by slog -// - proper grouping of key/value pairs via WithGroup -// - verbosity levels > slog.LevelInfo can be recorded -// - less overhead -// -// Both APIs (Logger and slog.Logger/Handler) then are supported equally -// well. Developers can pick whatever API suits them better and/or mix -// packages which use either API in the same binary with a common logging -// implementation. -// -// This interface is necessary because the type implementing the LogSink -// interface cannot also implement the slog.Handler interface due to the -// different prototype of the common Enabled method. -// -// An implementation could support both interfaces in two different types, but then -// additional interfaces would be needed to convert between those types in FromSlogHandler -// and ToSlogHandler. -type SlogSink interface { - LogSink - - Handle(ctx context.Context, record slog.Record) error - WithAttrs(attrs []slog.Attr) SlogSink - WithGroup(name string) SlogSink -} diff --git a/vendor/github.com/go-logr/logr/slogsink.go b/vendor/github.com/go-logr/logr/slogsink.go deleted file mode 100644 index 4060fcb..0000000 --- a/vendor/github.com/go-logr/logr/slogsink.go +++ /dev/null @@ -1,120 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The logr Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package logr - -import ( - "context" - "log/slog" - "runtime" - "time" -) - -var ( - _ LogSink = &slogSink{} - _ CallDepthLogSink = &slogSink{} - _ Underlier = &slogSink{} -) - -// Underlier is implemented by the LogSink returned by NewFromLogHandler. -type Underlier interface { - // GetUnderlying returns the Handler used by the LogSink. - GetUnderlying() slog.Handler -} - -const ( - // nameKey is used to log the `WithName` values as an additional attribute. - nameKey = "logger" - - // errKey is used to log the error parameter of Error as an additional attribute. - errKey = "err" -) - -type slogSink struct { - callDepth int - name string - handler slog.Handler -} - -func (l *slogSink) Init(info RuntimeInfo) { - l.callDepth = info.CallDepth -} - -func (l *slogSink) GetUnderlying() slog.Handler { - return l.handler -} - -func (l *slogSink) WithCallDepth(depth int) LogSink { - newLogger := *l - newLogger.callDepth += depth - return &newLogger -} - -func (l *slogSink) Enabled(level int) bool { - return l.handler.Enabled(context.Background(), slog.Level(-level)) -} - -func (l *slogSink) Info(level int, msg string, kvList ...interface{}) { - l.log(nil, msg, slog.Level(-level), kvList...) -} - -func (l *slogSink) Error(err error, msg string, kvList ...interface{}) { - l.log(err, msg, slog.LevelError, kvList...) -} - -func (l *slogSink) log(err error, msg string, level slog.Level, kvList ...interface{}) { - var pcs [1]uintptr - // skip runtime.Callers, this function, Info/Error, and all helper functions above that. - runtime.Callers(3+l.callDepth, pcs[:]) - - record := slog.NewRecord(time.Now(), level, msg, pcs[0]) - if l.name != "" { - record.AddAttrs(slog.String(nameKey, l.name)) - } - if err != nil { - record.AddAttrs(slog.Any(errKey, err)) - } - record.Add(kvList...) - _ = l.handler.Handle(context.Background(), record) -} - -func (l slogSink) WithName(name string) LogSink { - if l.name != "" { - l.name += "/" - } - l.name += name - return &l -} - -func (l slogSink) WithValues(kvList ...interface{}) LogSink { - l.handler = l.handler.WithAttrs(kvListToAttrs(kvList...)) - return &l -} - -func kvListToAttrs(kvList ...interface{}) []slog.Attr { - // We don't need the record itself, only its Add method. - record := slog.NewRecord(time.Time{}, 0, "", 0) - record.Add(kvList...) - attrs := make([]slog.Attr, 0, record.NumAttrs()) - record.Attrs(func(attr slog.Attr) bool { - attrs = append(attrs, attr) - return true - }) - return attrs -} diff --git a/vendor/github.com/longhorn/go-common-libs/io/file.go b/vendor/github.com/longhorn/go-common-libs/io/file.go index 945be4d..40e60a3 100644 --- a/vendor/github.com/longhorn/go-common-libs/io/file.go +++ b/vendor/github.com/longhorn/go-common-libs/io/file.go @@ -5,6 +5,7 @@ import ( "io" "os" "path/filepath" + "strings" "syscall" "time" @@ -164,12 +165,29 @@ func GetEmptyFiles(directory string) (filePaths []string, err error) { // FindFiles searches for files in the specified directory with the given fileName. // If fileName is empty, it retrieves all files in the directory. +// If maxDepth is greater than 0, it limits the search to the specified depth. // It returns a slice of filePaths and an error if any. -func FindFiles(directory, fileName string) (filePaths []string, err error) { +func FindFiles(directory, fileName string, maxDepth int) (filePaths []string, err error) { err = filepath.Walk(directory, func(path string, info os.FileInfo, err error) error { if err != nil { - return err + // If the directory contains symbolic links, it might lead to a non-existing file error. + // Ignore this error and continue walking the directory. + logrus.WithError(err).Warn("Encountered error while searching for files") + return nil } + + // Calculate the depth of the directory + depth := strings.Count(strings.TrimPrefix(path, directory), string(os.PathSeparator)) + + // Skip the directory if it exceeds the maximum depth + if maxDepth > 0 && depth > maxDepth { + if info.IsDir() { + return filepath.SkipDir // Skip this directory + } + + return nil // Skip this file + } + if fileName == "" || info.Name() == fileName { filePaths = append(filePaths, path) } @@ -241,3 +259,70 @@ func GetDiskStat(path string) (diskStat types.DiskStat, err error) { StorageAvailable: int64(statfs.Bfree) * statfs.Bsize, }, nil } + +// ListOpenFiles returns a list of open files in the specified directory. +func ListOpenFiles(procDirectory, directory string) ([]string, error) { + // Check if the specified directory exists + if _, err := os.Stat(directory); err != nil { + return nil, err + } + + // Get the list of all processes in the provided procDirectory + procs, err := os.ReadDir(procDirectory) + if err != nil { + return nil, err + } + + // Iterate over each process in the procDirectory + var openedFiles []string + for _, proc := range procs { + // Skip non-directory entries + if !proc.IsDir() { + continue + } + + // Read the file descriptor directory for the process + pid := proc.Name() + fdDir := filepath.Join(procDirectory, pid, "fd") + files, err := os.ReadDir(fdDir) + if err != nil { + logrus.WithError(err).Tracef("Failed to read file descriptors for process %v", pid) + continue + } + + // Iterate over each file in the file descriptor directory + for _, file := range files { + filePath, err := os.Readlink(filepath.Join(fdDir, file.Name())) + if err != nil { + logrus.WithError(err).Tracef("Failed to read link for file descriptor %v", file.Name()) + continue + } + + // Check if the file path is within the specified directory + if strings.HasPrefix(filePath, directory+"/") || filePath == directory { + openedFiles = append(openedFiles, filePath) + } + } + } + + return openedFiles, nil +} + +// IsDirectoryEmpty returns true if the specified directory is empty. +func IsDirectoryEmpty(directory string) (bool, error) { + f, err := os.Open(directory) + if err != nil { + return false, err + } + defer f.Close() + + _, err = f.Readdirnames(1) + if err == io.EOF { + return true, nil + } + if err != nil { + return false, err + } + + return false, nil +} diff --git a/vendor/github.com/longhorn/go-common-libs/utils/longhorn_naming.go b/vendor/github.com/longhorn/go-common-libs/utils/longhorn_naming.go deleted file mode 100644 index 5db2d4b..0000000 --- a/vendor/github.com/longhorn/go-common-libs/utils/longhorn_naming.go +++ /dev/null @@ -1,11 +0,0 @@ -package utils - -import ( - "regexp" -) - -// IsEngineProcess distinguish if the process is a engine process by its name. -func IsEngineProcess(processName string) bool { - // engine process name example: pvc-5a8ee916-5989-46c6-bafc-ddbf7c802499-e-0 - return regexp.MustCompile(`.+?-e-[^-]*\d$`).MatchString(processName) -} diff --git a/vendor/github.com/longhorn/go-common-libs/utils/misc.go b/vendor/github.com/longhorn/go-common-libs/utils/misc.go index 8485c67..69aced9 100644 --- a/vendor/github.com/longhorn/go-common-libs/utils/misc.go +++ b/vendor/github.com/longhorn/go-common-libs/utils/misc.go @@ -2,10 +2,12 @@ package utils import ( "crypto/rand" + "fmt" "math/big" "path/filepath" "reflect" "runtime" + "strconv" "strings" "github.com/google/uuid" @@ -99,3 +101,21 @@ func GenerateRandomNumber(lower, upper int64) (int64, error) { } return (lower + randNum.Int64()), nil } + +// ConvertTypeToString converts the given value to string. +func ConvertTypeToString[T any](value T) string { + v := reflect.ValueOf(value) + + switch v.Kind() { + case reflect.String: + return v.String() + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return strconv.FormatInt(v.Int(), 10) + case reflect.Float32, reflect.Float64: + return strconv.FormatFloat(v.Float(), 'f', -1, 64) + case reflect.Bool: + return strconv.FormatBool(v.Bool()) + default: + return fmt.Sprintf("Unsupported type: %v", v.Kind()) + } +} diff --git a/vendor/github.com/longhorn/go-common-libs/utils/mount.go b/vendor/github.com/longhorn/go-common-libs/utils/mount.go deleted file mode 100644 index f234ae1..0000000 --- a/vendor/github.com/longhorn/go-common-libs/utils/mount.go +++ /dev/null @@ -1,14 +0,0 @@ -package utils - -import ( - "k8s.io/mount-utils" -) - -func IsMountPointReadOnly(mp mount.MountPoint) bool { - for _, opt := range mp.Opts { - if opt == "ro" { - return true - } - } - return false -} diff --git a/vendor/github.com/moby/sys/mountinfo/LICENSE b/vendor/github.com/moby/sys/mountinfo/LICENSE deleted file mode 100644 index d645695..0000000 --- a/vendor/github.com/moby/sys/mountinfo/LICENSE +++ /dev/null @@ -1,202 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. 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We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/github.com/moby/sys/mountinfo/doc.go b/vendor/github.com/moby/sys/mountinfo/doc.go deleted file mode 100644 index b80e05e..0000000 --- a/vendor/github.com/moby/sys/mountinfo/doc.go +++ /dev/null @@ -1,44 +0,0 @@ -// Package mountinfo provides a set of functions to retrieve information about OS mounts. -// -// Currently it supports Linux. For historical reasons, there is also some support for FreeBSD and OpenBSD, -// and a shallow implementation for Windows, but in general this is Linux-only package, so -// the rest of the document only applies to Linux, unless explicitly specified otherwise. -// -// In Linux, information about mounts seen by the current process is available from -// /proc/self/mountinfo. Note that due to mount namespaces, different processes can -// see different mounts. A per-process mountinfo table is available from /proc//mountinfo, -// where is a numerical process identifier. -// -// In general, /proc is not a very efficient interface, and mountinfo is not an exception. -// For example, there is no way to get information about a specific mount point (i.e. it -// is all-or-nothing). This package tries to hide the /proc ineffectiveness by using -// parse filters while reading mountinfo. A filter can skip some entries, or stop -// processing the rest of the file once the needed information is found. -// -// For mountinfo filters that accept path as an argument, the path must be absolute, -// having all symlinks resolved, and being cleaned (i.e. no extra slashes or dots). -// One way to achieve all of the above is to employ filepath.Abs followed by -// filepath.EvalSymlinks (the latter calls filepath.Clean on the result so -// there is no need to explicitly call filepath.Clean). -// -// NOTE that in many cases there is no need to consult mountinfo at all. Here are some -// of the cases where mountinfo should not be parsed: -// -// 1. Before performing a mount. Usually, this is not needed, but if required (say to -// prevent over-mounts), to check whether a directory is mounted, call os.Lstat -// on it and its parent directory, and compare their st.Sys().(*syscall.Stat_t).Dev -// fields -- if they differ, then the directory is the mount point. NOTE this does -// not work for bind mounts. Optionally, the filesystem type can also be checked -// by calling unix.Statfs and checking the Type field (i.e. filesystem type). -// -// 2. After performing a mount. If there is no error returned, the mount succeeded; -// checking the mount table for a new mount is redundant and expensive. -// -// 3. Before performing an unmount. It is more efficient to do an unmount and ignore -// a specific error (EINVAL) which tells the directory is not mounted. -// -// 4. After performing an unmount. If there is no error returned, the unmount succeeded. -// -// 5. To find the mount point root of a specific directory. You can perform os.Stat() -// on the directory and traverse up until the Dev field of a parent directory differs. -package mountinfo diff --git a/vendor/github.com/moby/sys/mountinfo/mounted_linux.go b/vendor/github.com/moby/sys/mountinfo/mounted_linux.go deleted file mode 100644 index e78e726..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mounted_linux.go +++ /dev/null @@ -1,101 +0,0 @@ -package mountinfo - -import ( - "os" - "path/filepath" - - "golang.org/x/sys/unix" -) - -// MountedFast is a method of detecting a mount point without reading -// mountinfo from procfs. A caller can only trust the result if no error -// and sure == true are returned. Otherwise, other methods (e.g. parsing -// /proc/mounts) have to be used. If unsure, use Mounted instead (which -// uses MountedFast, but falls back to parsing mountinfo if needed). -// -// If a non-existent path is specified, an appropriate error is returned. -// In case the caller is not interested in this particular error, it should -// be handled separately using e.g. errors.Is(err, fs.ErrNotExist). -// -// This function is only available on Linux. When available (since kernel -// v5.6), openat2(2) syscall is used to reliably detect all mounts. Otherwise, -// the implementation falls back to using stat(2), which can reliably detect -// normal (but not bind) mounts. -func MountedFast(path string) (mounted, sure bool, err error) { - // Root is always mounted. - if path == string(os.PathSeparator) { - return true, true, nil - } - - path, err = normalizePath(path) - if err != nil { - return false, false, err - } - mounted, sure, err = mountedFast(path) - return -} - -// mountedByOpenat2 is a method of detecting a mount that works for all kinds -// of mounts (incl. bind mounts), but requires a recent (v5.6+) linux kernel. -func mountedByOpenat2(path string) (bool, error) { - dir, last := filepath.Split(path) - - dirfd, err := unix.Openat2(unix.AT_FDCWD, dir, &unix.OpenHow{ - Flags: unix.O_PATH | unix.O_CLOEXEC, - }) - if err != nil { - return false, &os.PathError{Op: "openat2", Path: dir, Err: err} - } - fd, err := unix.Openat2(dirfd, last, &unix.OpenHow{ - Flags: unix.O_PATH | unix.O_CLOEXEC | unix.O_NOFOLLOW, - Resolve: unix.RESOLVE_NO_XDEV, - }) - _ = unix.Close(dirfd) - switch err { //nolint:errorlint // unix errors are bare - case nil: // definitely not a mount - _ = unix.Close(fd) - return false, nil - case unix.EXDEV: // definitely a mount - return true, nil - } - // not sure - return false, &os.PathError{Op: "openat2", Path: path, Err: err} -} - -// mountedFast is similar to MountedFast, except it expects a normalized path. -func mountedFast(path string) (mounted, sure bool, err error) { - // Root is always mounted. - if path == string(os.PathSeparator) { - return true, true, nil - } - - // Try a fast path, using openat2() with RESOLVE_NO_XDEV. - mounted, err = mountedByOpenat2(path) - if err == nil { - return mounted, true, nil - } - - // Another fast path: compare st.st_dev fields. - mounted, err = mountedByStat(path) - // This does not work for bind mounts, so false negative - // is possible, therefore only trust if return is true. - if mounted && err == nil { - return true, true, nil - } - - return -} - -func mounted(path string) (bool, error) { - path, err := normalizePath(path) - if err != nil { - return false, err - } - mounted, sure, err := mountedFast(path) - if sure && err == nil { - return mounted, nil - } - - // Fallback to parsing mountinfo. - return mountedByMountinfo(path) -} diff --git a/vendor/github.com/moby/sys/mountinfo/mounted_unix.go b/vendor/github.com/moby/sys/mountinfo/mounted_unix.go deleted file mode 100644 index c7b7678..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mounted_unix.go +++ /dev/null @@ -1,53 +0,0 @@ -//go:build linux || freebsd || openbsd || darwin -// +build linux freebsd openbsd darwin - -package mountinfo - -import ( - "os" - "path/filepath" - - "golang.org/x/sys/unix" -) - -func mountedByStat(path string) (bool, error) { - var st unix.Stat_t - - if err := unix.Lstat(path, &st); err != nil { - return false, &os.PathError{Op: "stat", Path: path, Err: err} - } - dev := st.Dev - parent := filepath.Dir(path) - if err := unix.Lstat(parent, &st); err != nil { - return false, &os.PathError{Op: "stat", Path: parent, Err: err} - } - if dev != st.Dev { - // Device differs from that of parent, - // so definitely a mount point. - return true, nil - } - // NB: this does not detect bind mounts on Linux. - return false, nil -} - -func normalizePath(path string) (realPath string, err error) { - if realPath, err = filepath.Abs(path); err != nil { - return "", err - } - if realPath, err = filepath.EvalSymlinks(realPath); err != nil { - return "", err - } - if _, err := os.Stat(realPath); err != nil { - return "", err - } - return realPath, nil -} - -func mountedByMountinfo(path string) (bool, error) { - entries, err := GetMounts(SingleEntryFilter(path)) - if err != nil { - return false, err - } - - return len(entries) > 0, nil -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo.go b/vendor/github.com/moby/sys/mountinfo/mountinfo.go deleted file mode 100644 index 574aeb8..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo.go +++ /dev/null @@ -1,67 +0,0 @@ -package mountinfo - -import ( - "os" -) - -// GetMounts retrieves a list of mounts for the current running process, -// with an optional filter applied (use nil for no filter). -func GetMounts(f FilterFunc) ([]*Info, error) { - return parseMountTable(f) -} - -// Mounted determines if a specified path is a mount point. In case of any -// error, false (and an error) is returned. -// -// If a non-existent path is specified, an appropriate error is returned. -// In case the caller is not interested in this particular error, it should -// be handled separately using e.g. errors.Is(err, fs.ErrNotExist). -func Mounted(path string) (bool, error) { - // root is always mounted - if path == string(os.PathSeparator) { - return true, nil - } - return mounted(path) -} - -// Info reveals information about a particular mounted filesystem. This -// struct is populated from the content in the /proc//mountinfo file. -type Info struct { - // ID is a unique identifier of the mount (may be reused after umount). - ID int - - // Parent is the ID of the parent mount (or of self for the root - // of this mount namespace's mount tree). - Parent int - - // Major and Minor are the major and the minor components of the Dev - // field of unix.Stat_t structure returned by unix.*Stat calls for - // files on this filesystem. - Major, Minor int - - // Root is the pathname of the directory in the filesystem which forms - // the root of this mount. - Root string - - // Mountpoint is the pathname of the mount point relative to the - // process's root directory. - Mountpoint string - - // Options is a comma-separated list of mount options. - Options string - - // Optional are zero or more fields of the form "tag[:value]", - // separated by a space. Currently, the possible optional fields are - // "shared", "master", "propagate_from", and "unbindable". For more - // information, see mount_namespaces(7) Linux man page. - Optional string - - // FSType is the filesystem type in the form "type[.subtype]". - FSType string - - // Source is filesystem-specific information, or "none". - Source string - - // VFSOptions is a comma-separated list of superblock options. - VFSOptions string -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_bsd.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_bsd.go deleted file mode 100644 index 8420f58..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_bsd.go +++ /dev/null @@ -1,56 +0,0 @@ -//go:build freebsd || openbsd || darwin -// +build freebsd openbsd darwin - -package mountinfo - -import "golang.org/x/sys/unix" - -// parseMountTable returns information about mounted filesystems -func parseMountTable(filter FilterFunc) ([]*Info, error) { - count, err := unix.Getfsstat(nil, unix.MNT_WAIT) - if err != nil { - return nil, err - } - - entries := make([]unix.Statfs_t, count) - _, err = unix.Getfsstat(entries, unix.MNT_WAIT) - if err != nil { - return nil, err - } - - var out []*Info - for _, entry := range entries { - var skip, stop bool - mountinfo := getMountinfo(&entry) - - if filter != nil { - // filter out entries we're not interested in - skip, stop = filter(mountinfo) - if skip { - continue - } - } - - out = append(out, mountinfo) - if stop { - break - } - } - return out, nil -} - -func mounted(path string) (bool, error) { - path, err := normalizePath(path) - if err != nil { - return false, err - } - // Fast path: compare st.st_dev fields. - // This should always work for FreeBSD and OpenBSD. - mounted, err := mountedByStat(path) - if err == nil { - return mounted, nil - } - - // Fallback to parsing mountinfo - return mountedByMountinfo(path) -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go deleted file mode 100644 index 16079c3..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go +++ /dev/null @@ -1,63 +0,0 @@ -package mountinfo - -import "strings" - -// FilterFunc is a type defining a callback function for GetMount(), -// used to filter out mountinfo entries we're not interested in, -// and/or stop further processing if we found what we wanted. -// -// It takes a pointer to the Info struct (fully populated with all available -// fields on the GOOS platform), and returns two booleans: -// -// skip: true if the entry should be skipped; -// -// stop: true if parsing should be stopped after the entry. -type FilterFunc func(*Info) (skip, stop bool) - -// PrefixFilter discards all entries whose mount points do not start with, or -// are equal to the path specified in prefix. The prefix path must be absolute, -// have all symlinks resolved, and cleaned (i.e. no extra slashes or dots). -// -// PrefixFilter treats prefix as a path, not a partial prefix, which means that -// given "/foo", "/foo/bar" and "/foobar" entries, PrefixFilter("/foo") returns -// "/foo" and "/foo/bar", and discards "/foobar". -func PrefixFilter(prefix string) FilterFunc { - return func(m *Info) (bool, bool) { - skip := !strings.HasPrefix(m.Mountpoint+"/", prefix+"/") - return skip, false - } -} - -// SingleEntryFilter looks for a specific entry. -func SingleEntryFilter(mp string) FilterFunc { - return func(m *Info) (bool, bool) { - if m.Mountpoint == mp { - return false, true // don't skip, stop now - } - return true, false // skip, keep going - } -} - -// ParentsFilter returns all entries whose mount points -// can be parents of a path specified, discarding others. -// -// For example, given /var/lib/docker/something, entries -// like /var/lib/docker, /var and / are returned. -func ParentsFilter(path string) FilterFunc { - return func(m *Info) (bool, bool) { - skip := !strings.HasPrefix(path, m.Mountpoint) - return skip, false - } -} - -// FSTypeFilter returns all entries that match provided fstype(s). -func FSTypeFilter(fstype ...string) FilterFunc { - return func(m *Info) (bool, bool) { - for _, t := range fstype { - if m.FSType == t { - return false, false // don't skip, keep going - } - } - return true, false // skip, keep going - } -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_freebsdlike.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_freebsdlike.go deleted file mode 100644 index ecaaa7a..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_freebsdlike.go +++ /dev/null @@ -1,14 +0,0 @@ -//go:build freebsd || darwin -// +build freebsd darwin - -package mountinfo - -import "golang.org/x/sys/unix" - -func getMountinfo(entry *unix.Statfs_t) *Info { - return &Info{ - Mountpoint: unix.ByteSliceToString(entry.Mntonname[:]), - FSType: unix.ByteSliceToString(entry.Fstypename[:]), - Source: unix.ByteSliceToString(entry.Mntfromname[:]), - } -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go deleted file mode 100644 index 59332b0..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go +++ /dev/null @@ -1,214 +0,0 @@ -package mountinfo - -import ( - "bufio" - "fmt" - "io" - "os" - "strconv" - "strings" -) - -// GetMountsFromReader retrieves a list of mounts from the -// reader provided, with an optional filter applied (use nil -// for no filter). This can be useful in tests or benchmarks -// that provide fake mountinfo data, or when a source other -// than /proc/self/mountinfo needs to be read from. -// -// This function is Linux-specific. -func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) { - s := bufio.NewScanner(r) - out := []*Info{} - for s.Scan() { - var err error - - /* - See http://man7.org/linux/man-pages/man5/proc.5.html - - 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue - (1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11) - - (1) mount ID: unique identifier of the mount (may be reused after umount) - (2) parent ID: ID of parent (or of self for the top of the mount tree) - (3) major:minor: value of st_dev for files on filesystem - (4) root: root of the mount within the filesystem - (5) mount point: mount point relative to the process's root - (6) mount options: per mount options - (7) optional fields: zero or more fields of the form "tag[:value]" - (8) separator: marks the end of the optional fields - (9) filesystem type: name of filesystem of the form "type[.subtype]" - (10) mount source: filesystem specific information or "none" - (11) super options: per super block options - - In other words, we have: - * 6 mandatory fields (1)..(6) - * 0 or more optional fields (7) - * a separator field (8) - * 3 mandatory fields (9)..(11) - */ - - text := s.Text() - fields := strings.Split(text, " ") - numFields := len(fields) - if numFields < 10 { - // should be at least 10 fields - return nil, fmt.Errorf("parsing '%s' failed: not enough fields (%d)", text, numFields) - } - - // separator field - sepIdx := numFields - 4 - // In Linux <= 3.9 mounting a cifs with spaces in a share - // name (like "//srv/My Docs") _may_ end up having a space - // in the last field of mountinfo (like "unc=//serv/My Docs"). - // Since kernel 3.10-rc1, cifs option "unc=" is ignored, - // so spaces should not appear. - // - // Check for a separator, and work around the spaces bug - for fields[sepIdx] != "-" { - sepIdx-- - if sepIdx == 5 { - return nil, fmt.Errorf("parsing '%s' failed: missing - separator", text) - } - } - - p := &Info{} - - p.Mountpoint, err = unescape(fields[4]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: mount point: %w", fields[4], err) - } - p.FSType, err = unescape(fields[sepIdx+1]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: fstype: %w", fields[sepIdx+1], err) - } - p.Source, err = unescape(fields[sepIdx+2]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: source: %w", fields[sepIdx+2], err) - } - p.VFSOptions = fields[sepIdx+3] - - // ignore any numbers parsing errors, as there should not be any - p.ID, _ = strconv.Atoi(fields[0]) - p.Parent, _ = strconv.Atoi(fields[1]) - mm := strings.SplitN(fields[2], ":", 3) - if len(mm) != 2 { - return nil, fmt.Errorf("parsing '%s' failed: unexpected major:minor pair %s", text, mm) - } - p.Major, _ = strconv.Atoi(mm[0]) - p.Minor, _ = strconv.Atoi(mm[1]) - - p.Root, err = unescape(fields[3]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: root: %w", fields[3], err) - } - - p.Options = fields[5] - - // zero or more optional fields - p.Optional = strings.Join(fields[6:sepIdx], " ") - - // Run the filter after parsing all fields. - var skip, stop bool - if filter != nil { - skip, stop = filter(p) - if skip { - continue - } - } - - out = append(out, p) - if stop { - break - } - } - if err := s.Err(); err != nil { - return nil, err - } - return out, nil -} - -func parseMountTable(filter FilterFunc) ([]*Info, error) { - f, err := os.Open("/proc/self/mountinfo") - if err != nil { - return nil, err - } - defer f.Close() - - return GetMountsFromReader(f, filter) -} - -// PidMountInfo retrieves the list of mounts from a given process' mount -// namespace. Unless there is a need to get mounts from a mount namespace -// different from that of a calling process, use GetMounts. -// -// This function is Linux-specific. -// -// Deprecated: this will be removed before v1; use GetMountsFromReader with -// opened /proc//mountinfo as an argument instead. -func PidMountInfo(pid int) ([]*Info, error) { - f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid)) - if err != nil { - return nil, err - } - defer f.Close() - - return GetMountsFromReader(f, nil) -} - -// A few specific characters in mountinfo path entries (root and mountpoint) -// are escaped using a backslash followed by a character's ascii code in octal. -// -// space -- as \040 -// tab (aka \t) -- as \011 -// newline (aka \n) -- as \012 -// backslash (aka \\) -- as \134 -// -// This function converts path from mountinfo back, i.e. it unescapes the above sequences. -func unescape(path string) (string, error) { - // try to avoid copying - if strings.IndexByte(path, '\\') == -1 { - return path, nil - } - - // The following code is UTF-8 transparent as it only looks for some - // specific characters (backslash and 0..7) with values < utf8.RuneSelf, - // and everything else is passed through as is. - buf := make([]byte, len(path)) - bufLen := 0 - for i := 0; i < len(path); i++ { - if path[i] != '\\' { - buf[bufLen] = path[i] - bufLen++ - continue - } - s := path[i:] - if len(s) < 4 { - // too short - return "", fmt.Errorf("bad escape sequence %q: too short", s) - } - c := s[1] - switch c { - case '0', '1', '2', '3', '4', '5', '6', '7': - v := c - '0' - for j := 2; j < 4; j++ { // one digit already; two more - if s[j] < '0' || s[j] > '7' { - return "", fmt.Errorf("bad escape sequence %q: not a digit", s[:3]) - } - x := s[j] - '0' - v = (v << 3) | x - } - if v > 255 { - return "", fmt.Errorf("bad escape sequence %q: out of range" + s[:3]) - } - buf[bufLen] = v - bufLen++ - i += 3 - continue - default: - return "", fmt.Errorf("bad escape sequence %q: not a digit" + s[:3]) - - } - } - - return string(buf[:bufLen]), nil -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_openbsd.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_openbsd.go deleted file mode 100644 index f682c2d..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_openbsd.go +++ /dev/null @@ -1,11 +0,0 @@ -package mountinfo - -import "golang.org/x/sys/unix" - -func getMountinfo(entry *unix.Statfs_t) *Info { - return &Info{ - Mountpoint: unix.ByteSliceToString(entry.F_mntonname[:]), - FSType: unix.ByteSliceToString(entry.F_fstypename[:]), - Source: unix.ByteSliceToString(entry.F_mntfromname[:]), - } -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_unsupported.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_unsupported.go deleted file mode 100644 index c2e64bc..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_unsupported.go +++ /dev/null @@ -1,19 +0,0 @@ -//go:build !windows && !linux && !freebsd && !openbsd && !darwin -// +build !windows,!linux,!freebsd,!openbsd,!darwin - -package mountinfo - -import ( - "fmt" - "runtime" -) - -var errNotImplemented = fmt.Errorf("not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) - -func parseMountTable(_ FilterFunc) ([]*Info, error) { - return nil, errNotImplemented -} - -func mounted(path string) (bool, error) { - return false, errNotImplemented -} diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_windows.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_windows.go deleted file mode 100644 index 13fad16..0000000 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_windows.go +++ /dev/null @@ -1,10 +0,0 @@ -package mountinfo - -func parseMountTable(_ FilterFunc) ([]*Info, error) { - // Do NOT return an error! - return nil, nil -} - -func mounted(_ string) (bool, error) { - return false, nil -} diff --git a/vendor/k8s.io/klog/v2/.gitignore b/vendor/k8s.io/klog/v2/.gitignore deleted file mode 100644 index 0aa2002..0000000 --- a/vendor/k8s.io/klog/v2/.gitignore +++ /dev/null @@ -1,17 +0,0 @@ -# OSX leaves these everywhere on SMB shares -._* - -# OSX trash -.DS_Store - -# Eclipse files -.classpath -.project -.settings/** - -# Files generated by JetBrains IDEs, e.g. IntelliJ IDEA -.idea/ -*.iml - -# Vscode files -.vscode diff --git a/vendor/k8s.io/klog/v2/.golangci.yaml b/vendor/k8s.io/klog/v2/.golangci.yaml deleted file mode 100644 index 0d77d65..0000000 --- a/vendor/k8s.io/klog/v2/.golangci.yaml +++ /dev/null @@ -1,6 +0,0 @@ -linters: - disable-all: true - enable: # sorted alphabetical - - gofmt - - misspell - - revive diff --git a/vendor/k8s.io/klog/v2/CONTRIBUTING.md b/vendor/k8s.io/klog/v2/CONTRIBUTING.md deleted file mode 100644 index 2641b1f..0000000 --- a/vendor/k8s.io/klog/v2/CONTRIBUTING.md +++ /dev/null @@ -1,22 +0,0 @@ -# Contributing Guidelines - -Welcome to Kubernetes. We are excited about the prospect of you joining our [community](https://github.com/kubernetes/community)! The Kubernetes community abides by the CNCF [code of conduct](code-of-conduct.md). Here is an excerpt: - -_As contributors and maintainers of this project, and in the interest of fostering an open and welcoming community, we pledge to respect all people who contribute through reporting issues, posting feature requests, updating documentation, submitting pull requests or patches, and other activities._ - -## Getting Started - -We have full documentation on how to get started contributing here: - -- [Contributor License Agreement](https://git.k8s.io/community/CLA.md) Kubernetes projects require that you sign a Contributor License Agreement (CLA) before we can accept your pull requests -- [Kubernetes Contributor Guide](http://git.k8s.io/community/contributors/guide) - Main contributor documentation, or you can just jump directly to the [contributing section](http://git.k8s.io/community/contributors/guide#contributing) -- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet) - Common resources for existing developers - -## Mentorship - -- [Mentoring Initiatives](https://git.k8s.io/community/mentoring) - We have a diverse set of mentorship programs available that are always looking for volunteers! - -## Contact Information - -- [Slack](https://kubernetes.slack.com/messages/sig-architecture) -- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-architecture) diff --git a/vendor/k8s.io/klog/v2/LICENSE b/vendor/k8s.io/klog/v2/LICENSE deleted file mode 100644 index 37ec93a..0000000 --- a/vendor/k8s.io/klog/v2/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ -Apache License -Version 2.0, January 2004 -http://www.apache.org/licenses/ - -TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - -1. Definitions. - -"License" shall mean the terms and conditions for use, reproduction, and -distribution as defined by Sections 1 through 9 of this document. - -"Licensor" shall mean the copyright owner or entity authorized by the copyright -owner that is granting the License. - -"Legal Entity" shall mean the union of the acting entity and all other entities -that control, are controlled by, or are under common control with that entity. -For the purposes of this definition, "control" means (i) the power, direct or -indirect, to cause the direction or management of such entity, whether by -contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the -outstanding shares, or (iii) beneficial ownership of such entity. - -"You" (or "Your") shall mean an individual or Legal Entity exercising -permissions granted by this License. - -"Source" form shall mean the preferred form for making modifications, including -but not limited to software source code, documentation source, and configuration -files. - -"Object" form shall mean any form resulting from mechanical transformation or -translation of a Source form, including but not limited to compiled object code, -generated documentation, and conversions to other media types. - -"Work" shall mean the work of authorship, whether in Source or Object form, made -available under the License, as indicated by a copyright notice that is included -in or attached to the work (an example is provided in the Appendix below). - -"Derivative Works" shall mean any work, whether in Source or Object form, that -is based on (or derived from) the Work and for which the editorial revisions, -annotations, elaborations, or other modifications represent, as a whole, an -original work of authorship. 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However, -in accepting such obligations, You may act only on Your own behalf and on Your -sole responsibility, not on behalf of any other Contributor, and only if You -agree to indemnify, defend, and hold each Contributor harmless for any liability -incurred by, or claims asserted against, such Contributor by reason of your -accepting any such warranty or additional liability. - -END OF TERMS AND CONDITIONS - -APPENDIX: How to apply the Apache License to your work - -To apply the Apache License to your work, attach the following boilerplate -notice, with the fields enclosed by brackets "[]" replaced with your own -identifying information. (Don't include the brackets!) The text should be -enclosed in the appropriate comment syntax for the file format. We also -recommend that a file or class name and description of purpose be included on -the same "printed page" as the copyright notice for easier identification within -third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/k8s.io/klog/v2/OWNERS b/vendor/k8s.io/klog/v2/OWNERS deleted file mode 100644 index 7500475..0000000 --- a/vendor/k8s.io/klog/v2/OWNERS +++ /dev/null @@ -1,16 +0,0 @@ -# See the OWNERS docs at https://go.k8s.io/owners -reviewers: - - harshanarayana - - mengjiao-liu - - pohly -approvers: - - dims - - pohly - - thockin -emeritus_approvers: - - brancz - - justinsb - - lavalamp - - piosz - - serathius - - tallclair diff --git a/vendor/k8s.io/klog/v2/README.md b/vendor/k8s.io/klog/v2/README.md deleted file mode 100644 index d45cbe1..0000000 --- a/vendor/k8s.io/klog/v2/README.md +++ /dev/null @@ -1,118 +0,0 @@ -klog -==== - -klog is a permanent fork of https://github.com/golang/glog. - -## Why was klog created? - -The decision to create klog was one that wasn't made lightly, but it was necessary due to some -drawbacks that are present in [glog](https://github.com/golang/glog). Ultimately, the fork was created due to glog not being under active development; this can be seen in the glog README: - -> The code in this repo [...] is not itself under development - -This makes us unable to solve many use cases without a fork. The factors that contributed to needing feature development are listed below: - - * `glog` [presents a lot "gotchas"](https://github.com/kubernetes/kubernetes/issues/61006) and introduces challenges in containerized environments, all of which aren't well documented. - * `glog` doesn't provide an easy way to test logs, which detracts from the stability of software using it - * A long term goal is to implement a logging interface that allows us to add context, change output format, etc. - -Historical context is available here: - - * https://github.com/kubernetes/kubernetes/issues/61006 - * https://github.com/kubernetes/kubernetes/issues/70264 - * https://groups.google.com/forum/#!msg/kubernetes-sig-architecture/wCWiWf3Juzs/hXRVBH90CgAJ - * https://groups.google.com/forum/#!msg/kubernetes-dev/7vnijOMhLS0/1oRiNtigBgAJ - -## Release versioning - -Semantic versioning is used in this repository. It contains several Go modules -with different levels of stability: -- `k8s.io/klog/v2` - stable API, `vX.Y.Z` tags -- `examples` - no stable API, no tags, no intention to ever stabilize - -Exempt from the API stability guarantee are items (packages, functions, etc.) -which are marked explicitly as `EXPERIMENTAL` in their docs comment. Those -may still change in incompatible ways or get removed entirely. This can only -be used for code that is used in tests to avoid situations where non-test -code from two different Kubernetes dependencies depends on incompatible -releases of klog because an experimental API was changed. - ----- - -How to use klog -=============== -- Replace imports for `"github.com/golang/glog"` with `"k8s.io/klog/v2"` -- Use `klog.InitFlags(nil)` explicitly for initializing global flags as we no longer use `init()` method to register the flags -- You can now use `log_file` instead of `log_dir` for logging to a single file (See `examples/log_file/usage_log_file.go`) -- If you want to redirect everything logged using klog somewhere else (say syslog!), you can use `klog.SetOutput()` method and supply a `io.Writer`. (See `examples/set_output/usage_set_output.go`) -- For more logging conventions (See [Logging Conventions](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md)) -- See our documentation on [pkg.go.dev/k8s.io](https://pkg.go.dev/k8s.io/klog). - -**NOTE**: please use the newer go versions that support semantic import versioning in modules, ideally go 1.11.4 or greater. - -### Coexisting with klog/v2 - -See [this example](examples/coexist_klog_v1_and_v2/) to see how to coexist with both klog/v1 and klog/v2. - -### Coexisting with glog -This package can be used side by side with glog. [This example](examples/coexist_glog/coexist_glog.go) shows how to initialize and synchronize flags from the global `flag.CommandLine` FlagSet. In addition, the example makes use of stderr as combined output by setting `alsologtostderr` (or `logtostderr`) to `true`. - -## Community, discussion, contribution, and support - -Learn how to engage with the Kubernetes community on the [community page](http://kubernetes.io/community/). - -You can reach the maintainers of this project at: - -- [Slack](https://kubernetes.slack.com/messages/klog) -- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-architecture) - -### Code of conduct - -Participation in the Kubernetes community is governed by the [Kubernetes Code of Conduct](code-of-conduct.md). - ----- - -glog -==== - -Leveled execution logs for Go. - -This is an efficient pure Go implementation of leveled logs in the -manner of the open source C++ package - https://github.com/google/glog - -By binding methods to booleans it is possible to use the log package -without paying the expense of evaluating the arguments to the log. -Through the -vmodule flag, the package also provides fine-grained -control over logging at the file level. - -The comment from glog.go introduces the ideas: - - Package glog implements logging analogous to the Google-internal - C++ INFO/ERROR/V setup. It provides functions Info, Warning, - Error, Fatal, plus formatting variants such as Infof. It - also provides V-style logging controlled by the -v and - -vmodule=file=2 flags. - - Basic examples: - - glog.Info("Prepare to repel boarders") - - glog.Fatalf("Initialization failed: %s", err) - - See the documentation of the V function for an explanation - of these examples: - - if glog.V(2) { - glog.Info("Starting transaction...") - } - - glog.V(2).Infoln("Processed", nItems, "elements") - - -The repository contains an open source version of the log package -used inside Google. The master copy of the source lives inside -Google, not here. The code in this repo is for export only and is not itself -under development. Feature requests will be ignored. - -Send bug reports to golang-nuts@googlegroups.com. diff --git a/vendor/k8s.io/klog/v2/RELEASE.md b/vendor/k8s.io/klog/v2/RELEASE.md deleted file mode 100644 index b53eb96..0000000 --- a/vendor/k8s.io/klog/v2/RELEASE.md +++ /dev/null @@ -1,9 +0,0 @@ -# Release Process - -The `klog` is released on an as-needed basis. The process is as follows: - -1. An issue is proposing a new release with a changelog since the last release -1. All [OWNERS](OWNERS) must LGTM this release -1. An OWNER runs `git tag -s $VERSION` and inserts the changelog and pushes the tag with `git push $VERSION` -1. The release issue is closed -1. An announcement email is sent to `kubernetes-dev@googlegroups.com` with the subject `[ANNOUNCE] kubernetes-template-project $VERSION is released` diff --git a/vendor/k8s.io/klog/v2/SECURITY.md b/vendor/k8s.io/klog/v2/SECURITY.md deleted file mode 100644 index 2083d44..0000000 --- a/vendor/k8s.io/klog/v2/SECURITY.md +++ /dev/null @@ -1,22 +0,0 @@ -# Security Policy - -## Security Announcements - -Join the [kubernetes-security-announce] group for security and vulnerability announcements. - -You can also subscribe to an RSS feed of the above using [this link][kubernetes-security-announce-rss]. - -## Reporting a Vulnerability - -Instructions for reporting a vulnerability can be found on the -[Kubernetes Security and Disclosure Information] page. - -## Supported Versions - -Information about supported Kubernetes versions can be found on the -[Kubernetes version and version skew support policy] page on the Kubernetes website. - -[kubernetes-security-announce]: https://groups.google.com/forum/#!forum/kubernetes-security-announce -[kubernetes-security-announce-rss]: https://groups.google.com/forum/feed/kubernetes-security-announce/msgs/rss_v2_0.xml?num=50 -[Kubernetes version and version skew support policy]: https://kubernetes.io/docs/setup/release/version-skew-policy/#supported-versions -[Kubernetes Security and Disclosure Information]: https://kubernetes.io/docs/reference/issues-security/security/#report-a-vulnerability diff --git a/vendor/k8s.io/klog/v2/SECURITY_CONTACTS b/vendor/k8s.io/klog/v2/SECURITY_CONTACTS deleted file mode 100644 index 6128a58..0000000 --- a/vendor/k8s.io/klog/v2/SECURITY_CONTACTS +++ /dev/null @@ -1,20 +0,0 @@ -# Defined below are the security contacts for this repo. -# -# They are the contact point for the Product Security Committee to reach out -# to for triaging and handling of incoming issues. -# -# The below names agree to abide by the -# [Embargo Policy](https://git.k8s.io/security/private-distributors-list.md#embargo-policy) -# and will be removed and replaced if they violate that agreement. -# -# DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE -# INSTRUCTIONS AT https://kubernetes.io/security/ - -dims -thockin -justinsb -tallclair -piosz -brancz -DirectXMan12 -lavalamp diff --git a/vendor/k8s.io/klog/v2/code-of-conduct.md b/vendor/k8s.io/klog/v2/code-of-conduct.md deleted file mode 100644 index 0d15c00..0000000 --- a/vendor/k8s.io/klog/v2/code-of-conduct.md +++ /dev/null @@ -1,3 +0,0 @@ -# Kubernetes Community Code of Conduct - -Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md) diff --git a/vendor/k8s.io/klog/v2/contextual.go b/vendor/k8s.io/klog/v2/contextual.go deleted file mode 100644 index 005513f..0000000 --- a/vendor/k8s.io/klog/v2/contextual.go +++ /dev/null @@ -1,212 +0,0 @@ -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "context" - - "github.com/go-logr/logr" -) - -// This file provides the implementation of -// https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/1602-structured-logging -// -// SetLogger and ClearLogger were originally added to klog.go and got moved -// here. Contextual logging adds a way to retrieve a Logger for direct logging -// without the logging calls in klog.go. -// -// The global variables are expected to be modified only during sequential -// parts of a program (init, serial tests) and therefore are not protected by -// mutex locking. - -var ( - // klogLogger is used as fallback for logging through the normal klog code - // when no Logger is set. - klogLogger logr.Logger = logr.New(&klogger{}) -) - -// SetLogger sets a Logger implementation that will be used as backing -// implementation of the traditional klog log calls. klog will do its own -// verbosity checks before calling logger.V().Info. logger.Error is always -// called, regardless of the klog verbosity settings. -// -// If set, all log lines will be suppressed from the regular output, and -// redirected to the logr implementation. -// Use as: -// -// ... -// klog.SetLogger(zapr.NewLogger(zapLog)) -// -// To remove a backing logr implemention, use ClearLogger. Setting an -// empty logger with SetLogger(logr.Logger{}) does not work. -// -// Modifying the logger is not thread-safe and should be done while no other -// goroutines invoke log calls, usually during program initialization. -func SetLogger(logger logr.Logger) { - SetLoggerWithOptions(logger) -} - -// SetLoggerWithOptions is a more flexible version of SetLogger. Without -// additional options, it behaves exactly like SetLogger. By passing -// ContextualLogger(true) as option, it can be used to set a logger that then -// will also get called directly by applications which retrieve it via -// FromContext, Background, or TODO. -// -// Supporting direct calls is recommended because it avoids the overhead of -// routing log entries through klogr into klog and then into the actual Logger -// backend. -func SetLoggerWithOptions(logger logr.Logger, opts ...LoggerOption) { - logging.loggerOptions = loggerOptions{} - for _, opt := range opts { - opt(&logging.loggerOptions) - } - logging.logger = &logWriter{ - Logger: logger, - writeKlogBuffer: logging.loggerOptions.writeKlogBuffer, - } -} - -// ContextualLogger determines whether the logger passed to -// SetLoggerWithOptions may also get called directly. Such a logger cannot rely -// on verbosity checking in klog. -func ContextualLogger(enabled bool) LoggerOption { - return func(o *loggerOptions) { - o.contextualLogger = enabled - } -} - -// FlushLogger provides a callback for flushing data buffered by the logger. -func FlushLogger(flush func()) LoggerOption { - return func(o *loggerOptions) { - o.flush = flush - } -} - -// WriteKlogBuffer sets a callback that will be invoked by klog to write output -// produced by non-structured log calls like Infof. -// -// The buffer will contain exactly the same data that klog normally would write -// into its own output stream(s). In particular this includes the header, if -// klog is configured to write one. The callback then can divert that data into -// its own output streams. The buffer may or may not end in a line break. -// -// Without such a callback, klog will call the logger's Info or Error method -// with just the message string (i.e. no header). -func WriteKlogBuffer(write func([]byte)) LoggerOption { - return func(o *loggerOptions) { - o.writeKlogBuffer = write - } -} - -// LoggerOption implements the functional parameter paradigm for -// SetLoggerWithOptions. -type LoggerOption func(o *loggerOptions) - -type loggerOptions struct { - contextualLogger bool - flush func() - writeKlogBuffer func([]byte) -} - -// logWriter combines a logger (always set) with a write callback (optional). -type logWriter struct { - Logger - writeKlogBuffer func([]byte) -} - -// ClearLogger removes a backing Logger implementation if one was set earlier -// with SetLogger. -// -// Modifying the logger is not thread-safe and should be done while no other -// goroutines invoke log calls, usually during program initialization. -func ClearLogger() { - logging.logger = nil - logging.loggerOptions = loggerOptions{} -} - -// EnableContextualLogging controls whether contextual logging is enabled. -// By default it is enabled. When disabled, FromContext avoids looking up -// the logger in the context and always returns the global logger. -// LoggerWithValues, LoggerWithName, and NewContext become no-ops -// and return their input logger respectively context. This may be useful -// to avoid the additional overhead for contextual logging. -// -// This must be called during initialization before goroutines are started. -func EnableContextualLogging(enabled bool) { - logging.contextualLoggingEnabled = enabled -} - -// FromContext retrieves a logger set by the caller or, if not set, -// falls back to the program's global logger (a Logger instance or klog -// itself). -func FromContext(ctx context.Context) Logger { - if logging.contextualLoggingEnabled { - if logger, err := logr.FromContext(ctx); err == nil { - return logger - } - } - - return Background() -} - -// TODO can be used as a last resort by code that has no means of -// receiving a logger from its caller. FromContext or an explicit logger -// parameter should be used instead. -func TODO() Logger { - return Background() -} - -// Background retrieves the fallback logger. It should not be called before -// that logger was initialized by the program and not by code that should -// better receive a logger via its parameters. TODO can be used as a temporary -// solution for such code. -func Background() Logger { - if logging.loggerOptions.contextualLogger { - // Is non-nil because logging.loggerOptions.contextualLogger is - // only true if a logger was set. - return logging.logger.Logger - } - - return klogLogger -} - -// LoggerWithValues returns logger.WithValues(...kv) when -// contextual logging is enabled, otherwise the logger. -func LoggerWithValues(logger Logger, kv ...interface{}) Logger { - if logging.contextualLoggingEnabled { - return logger.WithValues(kv...) - } - return logger -} - -// LoggerWithName returns logger.WithName(name) when contextual logging is -// enabled, otherwise the logger. -func LoggerWithName(logger Logger, name string) Logger { - if logging.contextualLoggingEnabled { - return logger.WithName(name) - } - return logger -} - -// NewContext returns logr.NewContext(ctx, logger) when -// contextual logging is enabled, otherwise ctx. -func NewContext(ctx context.Context, logger Logger) context.Context { - if logging.contextualLoggingEnabled { - return logr.NewContext(ctx, logger) - } - return ctx -} diff --git a/vendor/k8s.io/klog/v2/contextual_slog.go b/vendor/k8s.io/klog/v2/contextual_slog.go deleted file mode 100644 index d3b5625..0000000 --- a/vendor/k8s.io/klog/v2/contextual_slog.go +++ /dev/null @@ -1,31 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "log/slog" - - "github.com/go-logr/logr" -) - -// SetSlogLogger reconfigures klog to log through the slog logger. The logger must not be nil. -func SetSlogLogger(logger *slog.Logger) { - SetLoggerWithOptions(logr.FromSlogHandler(logger.Handler()), ContextualLogger(true)) -} diff --git a/vendor/k8s.io/klog/v2/exit.go b/vendor/k8s.io/klog/v2/exit.go deleted file mode 100644 index 320a147..0000000 --- a/vendor/k8s.io/klog/v2/exit.go +++ /dev/null @@ -1,69 +0,0 @@ -// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/ -// -// Copyright 2013 Google Inc. All Rights Reserved. -// Copyright 2022 The Kubernetes Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package klog - -import ( - "fmt" - "os" - "time" -) - -var ( - - // ExitFlushTimeout is the timeout that klog has traditionally used during - // calls like Fatal or Exit when flushing log data right before exiting. - // Applications that replace those calls and do not have some specific - // requirements like "exit immediately" can use this value as parameter - // for FlushAndExit. - // - // Can be set for testing purpose or to change the application's - // default. - ExitFlushTimeout = 10 * time.Second - - // OsExit is the function called by FlushAndExit to terminate the program. - // - // Can be set for testing purpose or to change the application's - // default behavior. Note that the function should not simply return - // because callers of functions like Fatal will not expect that. - OsExit = os.Exit -) - -// FlushAndExit flushes log data for a certain amount of time and then calls -// os.Exit. Combined with some logging call it provides a replacement for -// traditional calls like Fatal or Exit. -func FlushAndExit(flushTimeout time.Duration, exitCode int) { - timeoutFlush(flushTimeout) - OsExit(exitCode) -} - -// timeoutFlush calls Flush and returns when it completes or after timeout -// elapses, whichever happens first. This is needed because the hooks invoked -// by Flush may deadlock when klog.Fatal is called from a hook that holds -// a lock. Flushing also might take too long. -func timeoutFlush(timeout time.Duration) { - done := make(chan bool, 1) - go func() { - Flush() // calls logging.lockAndFlushAll() - done <- true - }() - select { - case <-done: - case <-time.After(timeout): - fmt.Fprintln(os.Stderr, "klog: Flush took longer than", timeout) - } -} diff --git a/vendor/k8s.io/klog/v2/format.go b/vendor/k8s.io/klog/v2/format.go deleted file mode 100644 index 63995ca..0000000 --- a/vendor/k8s.io/klog/v2/format.go +++ /dev/null @@ -1,65 +0,0 @@ -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "encoding/json" - "fmt" - "strings" - - "github.com/go-logr/logr" -) - -// Format wraps a value of an arbitrary type and implement fmt.Stringer and -// logr.Marshaler for them. Stringer returns pretty-printed JSON. MarshalLog -// returns the original value with a type that has no special methods, in -// particular no MarshalLog or MarshalJSON. -// -// Wrapping values like that is useful when the value has a broken -// implementation of these special functions (for example, a type which -// inherits String from TypeMeta, but then doesn't re-implement String) or the -// implementation produces output that is less readable or unstructured (for -// example, the generated String functions for Kubernetes API types). -func Format(obj interface{}) interface{} { - return formatAny{Object: obj} -} - -type formatAny struct { - Object interface{} -} - -func (f formatAny) String() string { - var buffer strings.Builder - encoder := json.NewEncoder(&buffer) - encoder.SetIndent("", " ") - if err := encoder.Encode(&f.Object); err != nil { - return fmt.Sprintf("error marshaling %T to JSON: %v", f, err) - } - return buffer.String() -} - -func (f formatAny) MarshalLog() interface{} { - // Returning a pointer to a pointer ensures that zapr doesn't find a - // fmt.Stringer or logr.Marshaler when it checks the type of the - // value. It then falls back to reflection, which dumps the value being - // pointed to (JSON doesn't have pointers). - ptr := &f.Object - return &ptr -} - -var _ fmt.Stringer = formatAny{} -var _ logr.Marshaler = formatAny{} diff --git a/vendor/k8s.io/klog/v2/imports.go b/vendor/k8s.io/klog/v2/imports.go deleted file mode 100644 index 602c3ed..0000000 --- a/vendor/k8s.io/klog/v2/imports.go +++ /dev/null @@ -1,38 +0,0 @@ -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "github.com/go-logr/logr" -) - -// The reason for providing these aliases is to allow code to work with logr -// without directly importing it. - -// Logger in this package is exactly the same as logr.Logger. -type Logger = logr.Logger - -// LogSink in this package is exactly the same as logr.LogSink. -type LogSink = logr.LogSink - -// Runtimeinfo in this package is exactly the same as logr.RuntimeInfo. -type RuntimeInfo = logr.RuntimeInfo - -var ( - // New is an alias for logr.New. - New = logr.New -) diff --git a/vendor/k8s.io/klog/v2/internal/buffer/buffer.go b/vendor/k8s.io/klog/v2/internal/buffer/buffer.go deleted file mode 100644 index 46de00f..0000000 --- a/vendor/k8s.io/klog/v2/internal/buffer/buffer.go +++ /dev/null @@ -1,184 +0,0 @@ -// Copyright 2013 Google Inc. All Rights Reserved. -// Copyright 2022 The Kubernetes Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package buffer provides a cache for byte.Buffer instances that can be reused -// to avoid frequent allocation and deallocation. It also has utility code -// for log header formatting that use these buffers. -package buffer - -import ( - "bytes" - "os" - "sync" - "time" - - "k8s.io/klog/v2/internal/severity" -) - -var ( - // Pid is inserted into log headers. Can be overridden for tests. - Pid = os.Getpid() - - // Time, if set, will be used instead of the actual current time. - Time *time.Time -) - -// Buffer holds a single byte.Buffer for reuse. The zero value is ready for -// use. It also provides some helper methods for output formatting. -type Buffer struct { - bytes.Buffer - Tmp [64]byte // temporary byte array for creating headers. -} - -var buffers = sync.Pool{ - New: func() interface{} { - return new(Buffer) - }, -} - -// GetBuffer returns a new, ready-to-use buffer. -func GetBuffer() *Buffer { - b := buffers.Get().(*Buffer) - b.Reset() - return b -} - -// PutBuffer returns a buffer to the free list. -func PutBuffer(b *Buffer) { - if b.Len() >= 256 { - // Let big buffers die a natural death, without relying on - // sync.Pool behavior. The documentation implies that items may - // get deallocated while stored there ("If the Pool holds the - // only reference when this [= be removed automatically] - // happens, the item might be deallocated."), but - // https://github.com/golang/go/issues/23199 leans more towards - // having such a size limit. - return - } - - buffers.Put(b) -} - -// Some custom tiny helper functions to print the log header efficiently. - -const digits = "0123456789" - -// twoDigits formats a zero-prefixed two-digit integer at buf.Tmp[i]. -func (buf *Buffer) twoDigits(i, d int) { - buf.Tmp[i+1] = digits[d%10] - d /= 10 - buf.Tmp[i] = digits[d%10] -} - -// nDigits formats an n-digit integer at buf.Tmp[i], -// padding with pad on the left. -// It assumes d >= 0. -func (buf *Buffer) nDigits(n, i, d int, pad byte) { - j := n - 1 - for ; j >= 0 && d > 0; j-- { - buf.Tmp[i+j] = digits[d%10] - d /= 10 - } - for ; j >= 0; j-- { - buf.Tmp[i+j] = pad - } -} - -// someDigits formats a zero-prefixed variable-width integer at buf.Tmp[i]. -func (buf *Buffer) someDigits(i, d int) int { - // Print into the top, then copy down. We know there's space for at least - // a 10-digit number. - j := len(buf.Tmp) - for { - j-- - buf.Tmp[j] = digits[d%10] - d /= 10 - if d == 0 { - break - } - } - return copy(buf.Tmp[i:], buf.Tmp[j:]) -} - -// FormatHeader formats a log header using the provided file name and line number -// and writes it into the buffer. -func (buf *Buffer) FormatHeader(s severity.Severity, file string, line int, now time.Time) { - if line < 0 { - line = 0 // not a real line number, but acceptable to someDigits - } - if s > severity.FatalLog { - s = severity.InfoLog // for safety. - } - - // Avoid Fprintf, for speed. The format is so simple that we can do it quickly by hand. - // It's worth about 3X. Fprintf is hard. - if Time != nil { - now = *Time - } - _, month, day := now.Date() - hour, minute, second := now.Clock() - // Lmmdd hh:mm:ss.uuuuuu threadid file:line] - buf.Tmp[0] = severity.Char[s] - buf.twoDigits(1, int(month)) - buf.twoDigits(3, day) - buf.Tmp[5] = ' ' - buf.twoDigits(6, hour) - buf.Tmp[8] = ':' - buf.twoDigits(9, minute) - buf.Tmp[11] = ':' - buf.twoDigits(12, second) - buf.Tmp[14] = '.' - buf.nDigits(6, 15, now.Nanosecond()/1000, '0') - buf.Tmp[21] = ' ' - buf.nDigits(7, 22, Pid, ' ') // TODO: should be TID - buf.Tmp[29] = ' ' - buf.Write(buf.Tmp[:30]) - buf.WriteString(file) - buf.Tmp[0] = ':' - n := buf.someDigits(1, line) - buf.Tmp[n+1] = ']' - buf.Tmp[n+2] = ' ' - buf.Write(buf.Tmp[:n+3]) -} - -// SprintHeader formats a log header and returns a string. This is a simpler -// version of FormatHeader for use in ktesting. -func (buf *Buffer) SprintHeader(s severity.Severity, now time.Time) string { - if s > severity.FatalLog { - s = severity.InfoLog // for safety. - } - - // Avoid Fprintf, for speed. The format is so simple that we can do it quickly by hand. - // It's worth about 3X. Fprintf is hard. - if Time != nil { - now = *Time - } - _, month, day := now.Date() - hour, minute, second := now.Clock() - // Lmmdd hh:mm:ss.uuuuuu threadid file:line] - buf.Tmp[0] = severity.Char[s] - buf.twoDigits(1, int(month)) - buf.twoDigits(3, day) - buf.Tmp[5] = ' ' - buf.twoDigits(6, hour) - buf.Tmp[8] = ':' - buf.twoDigits(9, minute) - buf.Tmp[11] = ':' - buf.twoDigits(12, second) - buf.Tmp[14] = '.' - buf.nDigits(6, 15, now.Nanosecond()/1000, '0') - buf.Tmp[21] = ']' - return string(buf.Tmp[:22]) -} diff --git a/vendor/k8s.io/klog/v2/internal/clock/README.md b/vendor/k8s.io/klog/v2/internal/clock/README.md deleted file mode 100644 index 03d692c..0000000 --- a/vendor/k8s.io/klog/v2/internal/clock/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# Clock - -This package provides an interface for time-based operations. It allows -mocking time for testing. - -This is a copy of k8s.io/utils/clock. We have to copy it to avoid a circular -dependency (k8s.io/klog -> k8s.io/utils -> k8s.io/klog). diff --git a/vendor/k8s.io/klog/v2/internal/clock/clock.go b/vendor/k8s.io/klog/v2/internal/clock/clock.go deleted file mode 100644 index cc11bb4..0000000 --- a/vendor/k8s.io/klog/v2/internal/clock/clock.go +++ /dev/null @@ -1,161 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package clock - -import "time" - -// PassiveClock allows for injecting fake or real clocks into code -// that needs to read the current time but does not support scheduling -// activity in the future. -type PassiveClock interface { - Now() time.Time - Since(time.Time) time.Duration -} - -// Clock allows for injecting fake or real clocks into code that -// needs to do arbitrary things based on time. -type Clock interface { - PassiveClock - // After returns the channel of a new Timer. - // This method does not allow to free/GC the backing timer before it fires. Use - // NewTimer instead. - After(d time.Duration) <-chan time.Time - // NewTimer returns a new Timer. - NewTimer(d time.Duration) Timer - // Sleep sleeps for the provided duration d. - // Consider making the sleep interruptible by using 'select' on a context channel and a timer channel. - Sleep(d time.Duration) - // NewTicker returns a new Ticker. - NewTicker(time.Duration) Ticker -} - -// WithDelayedExecution allows for injecting fake or real clocks into -// code that needs to make use of AfterFunc functionality. -type WithDelayedExecution interface { - Clock - // AfterFunc executes f in its own goroutine after waiting - // for d duration and returns a Timer whose channel can be - // closed by calling Stop() on the Timer. - AfterFunc(d time.Duration, f func()) Timer -} - -// WithTickerAndDelayedExecution allows for injecting fake or real clocks -// into code that needs Ticker and AfterFunc functionality -type WithTickerAndDelayedExecution interface { - Clock - // AfterFunc executes f in its own goroutine after waiting - // for d duration and returns a Timer whose channel can be - // closed by calling Stop() on the Timer. - AfterFunc(d time.Duration, f func()) Timer -} - -// Ticker defines the Ticker interface. -type Ticker interface { - C() <-chan time.Time - Stop() -} - -var _ Clock = RealClock{} - -// RealClock really calls time.Now() -type RealClock struct{} - -// Now returns the current time. -func (RealClock) Now() time.Time { - return time.Now() -} - -// Since returns time since the specified timestamp. -func (RealClock) Since(ts time.Time) time.Duration { - return time.Since(ts) -} - -// After is the same as time.After(d). -// This method does not allow to free/GC the backing timer before it fires. Use -// NewTimer instead. -func (RealClock) After(d time.Duration) <-chan time.Time { - return time.After(d) -} - -// NewTimer is the same as time.NewTimer(d) -func (RealClock) NewTimer(d time.Duration) Timer { - return &realTimer{ - timer: time.NewTimer(d), - } -} - -// AfterFunc is the same as time.AfterFunc(d, f). -func (RealClock) AfterFunc(d time.Duration, f func()) Timer { - return &realTimer{ - timer: time.AfterFunc(d, f), - } -} - -// NewTicker returns a new Ticker. -func (RealClock) NewTicker(d time.Duration) Ticker { - return &realTicker{ - ticker: time.NewTicker(d), - } -} - -// Sleep is the same as time.Sleep(d) -// Consider making the sleep interruptible by using 'select' on a context channel and a timer channel. -func (RealClock) Sleep(d time.Duration) { - time.Sleep(d) -} - -// Timer allows for injecting fake or real timers into code that -// needs to do arbitrary things based on time. -type Timer interface { - C() <-chan time.Time - Stop() bool - Reset(d time.Duration) bool -} - -var _ = Timer(&realTimer{}) - -// realTimer is backed by an actual time.Timer. -type realTimer struct { - timer *time.Timer -} - -// C returns the underlying timer's channel. -func (r *realTimer) C() <-chan time.Time { - return r.timer.C -} - -// Stop calls Stop() on the underlying timer. -func (r *realTimer) Stop() bool { - return r.timer.Stop() -} - -// Reset calls Reset() on the underlying timer. -func (r *realTimer) Reset(d time.Duration) bool { - return r.timer.Reset(d) -} - -type realTicker struct { - ticker *time.Ticker -} - -func (r *realTicker) C() <-chan time.Time { - return r.ticker.C -} - -func (r *realTicker) Stop() { - r.ticker.Stop() -} diff --git a/vendor/k8s.io/klog/v2/internal/dbg/dbg.go b/vendor/k8s.io/klog/v2/internal/dbg/dbg.go deleted file mode 100644 index f27bd14..0000000 --- a/vendor/k8s.io/klog/v2/internal/dbg/dbg.go +++ /dev/null @@ -1,42 +0,0 @@ -// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/ -// -// Copyright 2013 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package dbg provides some helper code for call traces. -package dbg - -import ( - "runtime" -) - -// Stacks is a wrapper for runtime.Stack that attempts to recover the data for -// all goroutines or the calling one. -func Stacks(all bool) []byte { - // We don't know how big the traces are, so grow a few times if they don't fit. Start large, though. - n := 10000 - if all { - n = 100000 - } - var trace []byte - for i := 0; i < 5; i++ { - trace = make([]byte, n) - nbytes := runtime.Stack(trace, all) - if nbytes < len(trace) { - return trace[:nbytes] - } - n *= 2 - } - return trace -} diff --git a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues.go b/vendor/k8s.io/klog/v2/internal/serialize/keyvalues.go deleted file mode 100644 index d1a4751..0000000 --- a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues.go +++ /dev/null @@ -1,292 +0,0 @@ -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package serialize - -import ( - "bytes" - "encoding/json" - "fmt" - "strconv" - - "github.com/go-logr/logr" -) - -type textWriter interface { - WriteText(*bytes.Buffer) -} - -// WithValues implements LogSink.WithValues. The old key/value pairs are -// assumed to be well-formed, the new ones are checked and padded if -// necessary. It returns a new slice. -func WithValues(oldKV, newKV []interface{}) []interface{} { - if len(newKV) == 0 { - return oldKV - } - newLen := len(oldKV) + len(newKV) - hasMissingValue := newLen%2 != 0 - if hasMissingValue { - newLen++ - } - // The new LogSink must have its own slice. - kv := make([]interface{}, 0, newLen) - kv = append(kv, oldKV...) - kv = append(kv, newKV...) - if hasMissingValue { - kv = append(kv, missingValue) - } - return kv -} - -// MergeKVs deduplicates elements provided in two key/value slices. -// -// Keys in each slice are expected to be unique, so duplicates can only occur -// when the first and second slice contain the same key. When that happens, the -// key/value pair from the second slice is used. The first slice must be well-formed -// (= even key/value pairs). The second one may have a missing value, in which -// case the special "missing value" is added to the result. -func MergeKVs(first, second []interface{}) []interface{} { - maxLength := len(first) + (len(second)+1)/2*2 - if maxLength == 0 { - // Nothing to do at all. - return nil - } - - if len(first) == 0 && len(second)%2 == 0 { - // Nothing to be overridden, second slice is well-formed - // and can be used directly. - return second - } - - // Determine which keys are in the second slice so that we can skip - // them when iterating over the first one. The code intentionally - // favors performance over completeness: we assume that keys are string - // constants and thus compare equal when the string values are equal. A - // string constant being overridden by, for example, a fmt.Stringer is - // not handled. - overrides := map[interface{}]bool{} - for i := 0; i < len(second); i += 2 { - overrides[second[i]] = true - } - merged := make([]interface{}, 0, maxLength) - for i := 0; i+1 < len(first); i += 2 { - key := first[i] - if overrides[key] { - continue - } - merged = append(merged, key, first[i+1]) - } - merged = append(merged, second...) - if len(merged)%2 != 0 { - merged = append(merged, missingValue) - } - return merged -} - -type Formatter struct { - AnyToStringHook AnyToStringFunc -} - -type AnyToStringFunc func(v interface{}) string - -// MergeKVsInto is a variant of MergeKVs which directly formats the key/value -// pairs into a buffer. -func (f Formatter) MergeAndFormatKVs(b *bytes.Buffer, first, second []interface{}) { - if len(first) == 0 && len(second) == 0 { - // Nothing to do at all. - return - } - - if len(first) == 0 && len(second)%2 == 0 { - // Nothing to be overridden, second slice is well-formed - // and can be used directly. - for i := 0; i < len(second); i += 2 { - f.KVFormat(b, second[i], second[i+1]) - } - return - } - - // Determine which keys are in the second slice so that we can skip - // them when iterating over the first one. The code intentionally - // favors performance over completeness: we assume that keys are string - // constants and thus compare equal when the string values are equal. A - // string constant being overridden by, for example, a fmt.Stringer is - // not handled. - overrides := map[interface{}]bool{} - for i := 0; i < len(second); i += 2 { - overrides[second[i]] = true - } - for i := 0; i < len(first); i += 2 { - key := first[i] - if overrides[key] { - continue - } - f.KVFormat(b, key, first[i+1]) - } - // Round down. - l := len(second) - l = l / 2 * 2 - for i := 1; i < l; i += 2 { - f.KVFormat(b, second[i-1], second[i]) - } - if len(second)%2 == 1 { - f.KVFormat(b, second[len(second)-1], missingValue) - } -} - -func MergeAndFormatKVs(b *bytes.Buffer, first, second []interface{}) { - Formatter{}.MergeAndFormatKVs(b, first, second) -} - -const missingValue = "(MISSING)" - -// KVListFormat serializes all key/value pairs into the provided buffer. -// A space gets inserted before the first pair and between each pair. -func (f Formatter) KVListFormat(b *bytes.Buffer, keysAndValues ...interface{}) { - for i := 0; i < len(keysAndValues); i += 2 { - var v interface{} - k := keysAndValues[i] - if i+1 < len(keysAndValues) { - v = keysAndValues[i+1] - } else { - v = missingValue - } - f.KVFormat(b, k, v) - } -} - -func KVListFormat(b *bytes.Buffer, keysAndValues ...interface{}) { - Formatter{}.KVListFormat(b, keysAndValues...) -} - -func KVFormat(b *bytes.Buffer, k, v interface{}) { - Formatter{}.KVFormat(b, k, v) -} - -// formatAny is the fallback formatter for a value. It supports a hook (for -// example, for YAML encoding) and itself uses JSON encoding. -func (f Formatter) formatAny(b *bytes.Buffer, v interface{}) { - b.WriteRune('=') - if f.AnyToStringHook != nil { - b.WriteString(f.AnyToStringHook(v)) - return - } - formatAsJSON(b, v) -} - -func formatAsJSON(b *bytes.Buffer, v interface{}) { - encoder := json.NewEncoder(b) - l := b.Len() - if err := encoder.Encode(v); err != nil { - // This shouldn't happen. We discard whatever the encoder - // wrote and instead dump an error string. - b.Truncate(l) - b.WriteString(fmt.Sprintf(`""`, err)) - return - } - // Remove trailing newline. - b.Truncate(b.Len() - 1) -} - -// StringerToString converts a Stringer to a string, -// handling panics if they occur. -func StringerToString(s fmt.Stringer) (ret string) { - defer func() { - if err := recover(); err != nil { - ret = fmt.Sprintf("", err) - } - }() - ret = s.String() - return -} - -// MarshalerToValue invokes a marshaler and catches -// panics. -func MarshalerToValue(m logr.Marshaler) (ret interface{}) { - defer func() { - if err := recover(); err != nil { - ret = fmt.Sprintf("", err) - } - }() - ret = m.MarshalLog() - return -} - -// ErrorToString converts an error to a string, -// handling panics if they occur. -func ErrorToString(err error) (ret string) { - defer func() { - if err := recover(); err != nil { - ret = fmt.Sprintf("", err) - } - }() - ret = err.Error() - return -} - -func writeTextWriterValue(b *bytes.Buffer, v textWriter) { - b.WriteByte('=') - defer func() { - if err := recover(); err != nil { - fmt.Fprintf(b, `""`, err) - } - }() - v.WriteText(b) -} - -func writeStringValue(b *bytes.Buffer, v string) { - data := []byte(v) - index := bytes.IndexByte(data, '\n') - if index == -1 { - b.WriteByte('=') - // Simple string, quote quotation marks and non-printable characters. - b.WriteString(strconv.Quote(v)) - return - } - - // Complex multi-line string, show as-is with indention like this: - // I... "hello world" key=< - // line 1 - // line 2 - // > - // - // Tabs indent the lines of the value while the end of string delimiter - // is indented with a space. That has two purposes: - // - visual difference between the two for a human reader because indention - // will be different - // - no ambiguity when some value line starts with the end delimiter - // - // One downside is that the output cannot distinguish between strings that - // end with a line break and those that don't because the end delimiter - // will always be on the next line. - b.WriteString("=<\n") - for index != -1 { - b.WriteByte('\t') - b.Write(data[0 : index+1]) - data = data[index+1:] - index = bytes.IndexByte(data, '\n') - } - if len(data) == 0 { - // String ended with line break, don't add another. - b.WriteString(" >") - } else { - // No line break at end of last line, write rest of string and - // add one. - b.WriteByte('\t') - b.Write(data) - b.WriteString("\n >") - } -} diff --git a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_no_slog.go b/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_no_slog.go deleted file mode 100644 index d9c7d15..0000000 --- a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_no_slog.go +++ /dev/null @@ -1,97 +0,0 @@ -//go:build !go1.21 -// +build !go1.21 - -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package serialize - -import ( - "bytes" - "fmt" - - "github.com/go-logr/logr" -) - -// KVFormat serializes one key/value pair into the provided buffer. -// A space gets inserted before the pair. -func (f Formatter) KVFormat(b *bytes.Buffer, k, v interface{}) { - // This is the version without slog support. Must be kept in sync with - // the version in keyvalues_slog.go. - - b.WriteByte(' ') - // Keys are assumed to be well-formed according to - // https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/migration-to-structured-logging.md#name-arguments - // for the sake of performance. Keys with spaces, - // special characters, etc. will break parsing. - if sK, ok := k.(string); ok { - // Avoid one allocation when the key is a string, which - // normally it should be. - b.WriteString(sK) - } else { - b.WriteString(fmt.Sprintf("%s", k)) - } - - // The type checks are sorted so that more frequently used ones - // come first because that is then faster in the common - // cases. In Kubernetes, ObjectRef (a Stringer) is more common - // than plain strings - // (https://github.com/kubernetes/kubernetes/pull/106594#issuecomment-975526235). - switch v := v.(type) { - case textWriter: - writeTextWriterValue(b, v) - case fmt.Stringer: - writeStringValue(b, StringerToString(v)) - case string: - writeStringValue(b, v) - case error: - writeStringValue(b, ErrorToString(v)) - case logr.Marshaler: - value := MarshalerToValue(v) - // A marshaler that returns a string is useful for - // delayed formatting of complex values. We treat this - // case like a normal string. This is useful for - // multi-line support. - // - // We could do this by recursively formatting a value, - // but that comes with the risk of infinite recursion - // if a marshaler returns itself. Instead we call it - // only once and rely on it returning the intended - // value directly. - switch value := value.(type) { - case string: - writeStringValue(b, value) - default: - f.formatAny(b, value) - } - case []byte: - // In https://github.com/kubernetes/klog/pull/237 it was decided - // to format byte slices with "%+q". The advantages of that are: - // - readable output if the bytes happen to be printable - // - non-printable bytes get represented as unicode escape - // sequences (\uxxxx) - // - // The downsides are that we cannot use the faster - // strconv.Quote here and that multi-line output is not - // supported. If developers know that a byte array is - // printable and they want multi-line output, they can - // convert the value to string before logging it. - b.WriteByte('=') - b.WriteString(fmt.Sprintf("%+q", v)) - default: - f.formatAny(b, v) - } -} diff --git a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_slog.go b/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_slog.go deleted file mode 100644 index 89acf97..0000000 --- a/vendor/k8s.io/klog/v2/internal/serialize/keyvalues_slog.go +++ /dev/null @@ -1,155 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package serialize - -import ( - "bytes" - "fmt" - "log/slog" - "strconv" - - "github.com/go-logr/logr" -) - -// KVFormat serializes one key/value pair into the provided buffer. -// A space gets inserted before the pair. -func (f Formatter) KVFormat(b *bytes.Buffer, k, v interface{}) { - // This is the version without slog support. Must be kept in sync with - // the version in keyvalues_slog.go. - - b.WriteByte(' ') - // Keys are assumed to be well-formed according to - // https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/migration-to-structured-logging.md#name-arguments - // for the sake of performance. Keys with spaces, - // special characters, etc. will break parsing. - if sK, ok := k.(string); ok { - // Avoid one allocation when the key is a string, which - // normally it should be. - b.WriteString(sK) - } else { - b.WriteString(fmt.Sprintf("%s", k)) - } - - // The type checks are sorted so that more frequently used ones - // come first because that is then faster in the common - // cases. In Kubernetes, ObjectRef (a Stringer) is more common - // than plain strings - // (https://github.com/kubernetes/kubernetes/pull/106594#issuecomment-975526235). - // - // slog.LogValuer does not need to be handled here because the handler will - // already have resolved such special values to the final value for logging. - switch v := v.(type) { - case textWriter: - writeTextWriterValue(b, v) - case slog.Value: - // This must come before fmt.Stringer because slog.Value implements - // fmt.Stringer, but does not produce the output that we want. - b.WriteByte('=') - generateJSON(b, v) - case fmt.Stringer: - writeStringValue(b, StringerToString(v)) - case string: - writeStringValue(b, v) - case error: - writeStringValue(b, ErrorToString(v)) - case logr.Marshaler: - value := MarshalerToValue(v) - // A marshaler that returns a string is useful for - // delayed formatting of complex values. We treat this - // case like a normal string. This is useful for - // multi-line support. - // - // We could do this by recursively formatting a value, - // but that comes with the risk of infinite recursion - // if a marshaler returns itself. Instead we call it - // only once and rely on it returning the intended - // value directly. - switch value := value.(type) { - case string: - writeStringValue(b, value) - default: - f.formatAny(b, value) - } - case slog.LogValuer: - value := slog.AnyValue(v).Resolve() - if value.Kind() == slog.KindString { - writeStringValue(b, value.String()) - } else { - b.WriteByte('=') - generateJSON(b, value) - } - case []byte: - // In https://github.com/kubernetes/klog/pull/237 it was decided - // to format byte slices with "%+q". The advantages of that are: - // - readable output if the bytes happen to be printable - // - non-printable bytes get represented as unicode escape - // sequences (\uxxxx) - // - // The downsides are that we cannot use the faster - // strconv.Quote here and that multi-line output is not - // supported. If developers know that a byte array is - // printable and they want multi-line output, they can - // convert the value to string before logging it. - b.WriteByte('=') - b.WriteString(fmt.Sprintf("%+q", v)) - default: - f.formatAny(b, v) - } -} - -// generateJSON has the same preference for plain strings as KVFormat. -// In contrast to KVFormat it always produces valid JSON with no line breaks. -func generateJSON(b *bytes.Buffer, v interface{}) { - switch v := v.(type) { - case slog.Value: - switch v.Kind() { - case slog.KindGroup: - // Format as a JSON group. We must not involve f.AnyToStringHook (if there is any), - // because there is no guarantee that it produces valid JSON. - b.WriteByte('{') - for i, attr := range v.Group() { - if i > 0 { - b.WriteByte(',') - } - b.WriteString(strconv.Quote(attr.Key)) - b.WriteByte(':') - generateJSON(b, attr.Value) - } - b.WriteByte('}') - case slog.KindLogValuer: - generateJSON(b, v.Resolve()) - default: - // Peel off the slog.Value wrapper and format the actual value. - generateJSON(b, v.Any()) - } - case fmt.Stringer: - b.WriteString(strconv.Quote(StringerToString(v))) - case logr.Marshaler: - generateJSON(b, MarshalerToValue(v)) - case slog.LogValuer: - generateJSON(b, slog.AnyValue(v).Resolve().Any()) - case string: - b.WriteString(strconv.Quote(v)) - case error: - b.WriteString(strconv.Quote(v.Error())) - default: - formatAsJSON(b, v) - } -} diff --git a/vendor/k8s.io/klog/v2/internal/severity/severity.go b/vendor/k8s.io/klog/v2/internal/severity/severity.go deleted file mode 100644 index 30fa183..0000000 --- a/vendor/k8s.io/klog/v2/internal/severity/severity.go +++ /dev/null @@ -1,58 +0,0 @@ -// Copyright 2013 Google Inc. All Rights Reserved. -// Copyright 2022 The Kubernetes Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package severity provides definitions for klog severity (info, warning, ...) -package severity - -import ( - "strings" -) - -// severity identifies the sort of log: info, warning etc. The binding to flag.Value -// is handled in klog.go -type Severity int32 // sync/atomic int32 - -// These constants identify the log levels in order of increasing severity. -// A message written to a high-severity log file is also written to each -// lower-severity log file. -const ( - InfoLog Severity = iota - WarningLog - ErrorLog - FatalLog - NumSeverity = 4 -) - -// Char contains one shortcut letter per severity level. -const Char = "IWEF" - -// Name contains one name per severity level. -var Name = []string{ - InfoLog: "INFO", - WarningLog: "WARNING", - ErrorLog: "ERROR", - FatalLog: "FATAL", -} - -// ByName looks up a severity level by name. -func ByName(s string) (Severity, bool) { - s = strings.ToUpper(s) - for i, name := range Name { - if name == s { - return Severity(i), true - } - } - return 0, false -} diff --git a/vendor/k8s.io/klog/v2/internal/sloghandler/sloghandler_slog.go b/vendor/k8s.io/klog/v2/internal/sloghandler/sloghandler_slog.go deleted file mode 100644 index 21f1697..0000000 --- a/vendor/k8s.io/klog/v2/internal/sloghandler/sloghandler_slog.go +++ /dev/null @@ -1,96 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package sloghandler - -import ( - "context" - "log/slog" - "runtime" - "strings" - "time" - - "k8s.io/klog/v2/internal/severity" -) - -func Handle(_ context.Context, record slog.Record, groups string, printWithInfos func(file string, line int, now time.Time, err error, s severity.Severity, msg string, kvList []interface{})) error { - now := record.Time - if now.IsZero() { - // This format doesn't support printing entries without a time. - now = time.Now() - } - - // slog has numeric severity levels, with 0 as default "info", negative for debugging, and - // positive with some pre-defined levels for more important. Those ranges get mapped to - // the corresponding klog levels where possible, with "info" the default that is used - // also for negative debug levels. - level := record.Level - s := severity.InfoLog - switch { - case level >= slog.LevelError: - s = severity.ErrorLog - case level >= slog.LevelWarn: - s = severity.WarningLog - } - - var file string - var line int - if record.PC != 0 { - // Same as https://cs.opensource.google/go/x/exp/+/642cacee:slog/record.go;drc=642cacee5cc05231f45555a333d07f1005ffc287;l=70 - fs := runtime.CallersFrames([]uintptr{record.PC}) - f, _ := fs.Next() - if f.File != "" { - file = f.File - if slash := strings.LastIndex(file, "/"); slash >= 0 { - file = file[slash+1:] - } - line = f.Line - } - } else { - file = "???" - line = 1 - } - - kvList := make([]interface{}, 0, 2*record.NumAttrs()) - record.Attrs(func(attr slog.Attr) bool { - kvList = appendAttr(groups, kvList, attr) - return true - }) - - printWithInfos(file, line, now, nil, s, record.Message, kvList) - return nil -} - -func Attrs2KVList(groups string, attrs []slog.Attr) []interface{} { - kvList := make([]interface{}, 0, 2*len(attrs)) - for _, attr := range attrs { - kvList = appendAttr(groups, kvList, attr) - } - return kvList -} - -func appendAttr(groups string, kvList []interface{}, attr slog.Attr) []interface{} { - var key string - if groups != "" { - key = groups + "." + attr.Key - } else { - key = attr.Key - } - return append(kvList, key, attr.Value) -} diff --git a/vendor/k8s.io/klog/v2/k8s_references.go b/vendor/k8s.io/klog/v2/k8s_references.go deleted file mode 100644 index 786af74..0000000 --- a/vendor/k8s.io/klog/v2/k8s_references.go +++ /dev/null @@ -1,212 +0,0 @@ -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "bytes" - "fmt" - "reflect" - "strings" - - "github.com/go-logr/logr" -) - -// ObjectRef references a kubernetes object -type ObjectRef struct { - Name string `json:"name"` - Namespace string `json:"namespace,omitempty"` -} - -func (ref ObjectRef) String() string { - if ref.Namespace != "" { - var builder strings.Builder - builder.Grow(len(ref.Namespace) + len(ref.Name) + 1) - builder.WriteString(ref.Namespace) - builder.WriteRune('/') - builder.WriteString(ref.Name) - return builder.String() - } - return ref.Name -} - -func (ref ObjectRef) WriteText(out *bytes.Buffer) { - out.WriteRune('"') - ref.writeUnquoted(out) - out.WriteRune('"') -} - -func (ref ObjectRef) writeUnquoted(out *bytes.Buffer) { - if ref.Namespace != "" { - out.WriteString(ref.Namespace) - out.WriteRune('/') - } - out.WriteString(ref.Name) -} - -// MarshalLog ensures that loggers with support for structured output will log -// as a struct by removing the String method via a custom type. -func (ref ObjectRef) MarshalLog() interface{} { - type or ObjectRef - return or(ref) -} - -var _ logr.Marshaler = ObjectRef{} - -// KMetadata is a subset of the kubernetes k8s.io/apimachinery/pkg/apis/meta/v1.Object interface -// this interface may expand in the future, but will always be a subset of the -// kubernetes k8s.io/apimachinery/pkg/apis/meta/v1.Object interface -type KMetadata interface { - GetName() string - GetNamespace() string -} - -// KObj returns ObjectRef from ObjectMeta -func KObj(obj KMetadata) ObjectRef { - if obj == nil { - return ObjectRef{} - } - if val := reflect.ValueOf(obj); val.Kind() == reflect.Ptr && val.IsNil() { - return ObjectRef{} - } - - return ObjectRef{ - Name: obj.GetName(), - Namespace: obj.GetNamespace(), - } -} - -// KRef returns ObjectRef from name and namespace -func KRef(namespace, name string) ObjectRef { - return ObjectRef{ - Name: name, - Namespace: namespace, - } -} - -// KObjs returns slice of ObjectRef from an slice of ObjectMeta -// -// DEPRECATED: Use KObjSlice instead, it has better performance. -func KObjs(arg interface{}) []ObjectRef { - s := reflect.ValueOf(arg) - if s.Kind() != reflect.Slice { - return nil - } - objectRefs := make([]ObjectRef, 0, s.Len()) - for i := 0; i < s.Len(); i++ { - if v, ok := s.Index(i).Interface().(KMetadata); ok { - objectRefs = append(objectRefs, KObj(v)) - } else { - return nil - } - } - return objectRefs -} - -// KObjSlice takes a slice of objects that implement the KMetadata interface -// and returns an object that gets logged as a slice of ObjectRef values or a -// string containing those values, depending on whether the logger prefers text -// output or structured output. -// -// An error string is logged when KObjSlice is not passed a suitable slice. -// -// Processing of the argument is delayed until the value actually gets logged, -// in contrast to KObjs where that overhead is incurred regardless of whether -// the result is needed. -func KObjSlice(arg interface{}) interface{} { - return kobjSlice{arg: arg} -} - -type kobjSlice struct { - arg interface{} -} - -var _ fmt.Stringer = kobjSlice{} -var _ logr.Marshaler = kobjSlice{} - -func (ks kobjSlice) String() string { - objectRefs, errStr := ks.process() - if errStr != "" { - return errStr - } - return fmt.Sprintf("%v", objectRefs) -} - -func (ks kobjSlice) MarshalLog() interface{} { - objectRefs, errStr := ks.process() - if errStr != "" { - return errStr - } - return objectRefs -} - -func (ks kobjSlice) process() (objs []interface{}, err string) { - s := reflect.ValueOf(ks.arg) - switch s.Kind() { - case reflect.Invalid: - // nil parameter, print as nil. - return nil, "" - case reflect.Slice: - // Okay, handle below. - default: - return nil, fmt.Sprintf("", ks.arg) - } - objectRefs := make([]interface{}, 0, s.Len()) - for i := 0; i < s.Len(); i++ { - item := s.Index(i).Interface() - if item == nil { - objectRefs = append(objectRefs, nil) - } else if v, ok := item.(KMetadata); ok { - objectRefs = append(objectRefs, KObj(v)) - } else { - return nil, fmt.Sprintf("", item) - } - } - return objectRefs, "" -} - -var nilToken = []byte("null") - -func (ks kobjSlice) WriteText(out *bytes.Buffer) { - s := reflect.ValueOf(ks.arg) - switch s.Kind() { - case reflect.Invalid: - // nil parameter, print as null. - out.Write(nilToken) - return - case reflect.Slice: - // Okay, handle below. - default: - fmt.Fprintf(out, `""`, ks.arg) - return - } - out.Write([]byte{'['}) - defer out.Write([]byte{']'}) - for i := 0; i < s.Len(); i++ { - if i > 0 { - out.Write([]byte{','}) - } - item := s.Index(i).Interface() - if item == nil { - out.Write(nilToken) - } else if v, ok := item.(KMetadata); ok { - KObj(v).WriteText(out) - } else { - fmt.Fprintf(out, `""`, item) - return - } - } -} diff --git a/vendor/k8s.io/klog/v2/k8s_references_slog.go b/vendor/k8s.io/klog/v2/k8s_references_slog.go deleted file mode 100644 index 5522c84..0000000 --- a/vendor/k8s.io/klog/v2/k8s_references_slog.go +++ /dev/null @@ -1,39 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "log/slog" -) - -func (ref ObjectRef) LogValue() slog.Value { - if ref.Namespace != "" { - return slog.GroupValue(slog.String("name", ref.Name), slog.String("namespace", ref.Namespace)) - } - return slog.GroupValue(slog.String("name", ref.Name)) -} - -var _ slog.LogValuer = ObjectRef{} - -func (ks kobjSlice) LogValue() slog.Value { - return slog.AnyValue(ks.MarshalLog()) -} - -var _ slog.LogValuer = kobjSlice{} diff --git a/vendor/k8s.io/klog/v2/klog.go b/vendor/k8s.io/klog/v2/klog.go deleted file mode 100644 index 026be9e..0000000 --- a/vendor/k8s.io/klog/v2/klog.go +++ /dev/null @@ -1,1746 +0,0 @@ -// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/ -// -// Copyright 2013 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package klog contains the following functionality: -// -// - output routing as defined via command line flags ([InitFlags]) -// - log formatting as text, either with a single, unstructured string ([Info], [Infof], etc.) -// or as a structured log entry with message and key/value pairs ([InfoS], etc.) -// - management of a go-logr [Logger] ([SetLogger], [Background], [TODO]) -// - helper functions for logging values ([Format]) and managing the state of klog ([CaptureState], [State.Restore]) -// - wrappers for [logr] APIs for contextual logging where the wrappers can -// be turned into no-ops ([EnableContextualLogging], [NewContext], [FromContext], -// [LoggerWithValues], [LoggerWithName]); if the ability to turn off -// contextual logging is not needed, then go-logr can also be used directly -// - type aliases for go-logr types to simplify imports in code which uses both (e.g. [Logger]) -// - [k8s.io/klog/v2/textlogger]: a logger which uses the same formatting as klog log with -// simpler output routing; beware that it comes with its own command line flags -// and does not use the ones from klog -// - [k8s.io/klog/v2/ktesting]: per-test output in Go unit tests -// - [k8s.io/klog/v2/klogr]: a deprecated, standalone [logr.Logger] on top of the main klog package; -// use [Background] instead if klog output routing is needed, [k8s.io/klog/v2/textlogger] if not -// - [k8s.io/klog/v2/examples]: demos of this functionality -// - [k8s.io/klog/v2/test]: reusable tests for [logr.Logger] implementations -// -// Basic examples: -// -// klog.Info("Prepare to repel boarders") -// -// klog.Fatalf("Initialization failed: %s", err) -// -// See the documentation for the V function for an explanation of these examples: -// -// if klog.V(2) { -// klog.Info("Starting transaction...") -// } -// -// klog.V(2).Infoln("Processed", nItems, "elements") -// -// Log output is buffered and written periodically using Flush. Programs -// should call Flush before exiting to guarantee all log output is written. -// -// By default, all log statements write to standard error. -// This package provides several flags that modify this behavior. -// As a result, flag.Parse must be called before any logging is done. -// -// -logtostderr=true -// Logs are written to standard error instead of to files. -// This shortcuts most of the usual output routing: -// -alsologtostderr, -stderrthreshold and -log_dir have no -// effect and output redirection at runtime with SetOutput is -// ignored. -// -alsologtostderr=false -// Logs are written to standard error as well as to files. -// -stderrthreshold=ERROR -// Log events at or above this severity are logged to standard -// error as well as to files. -// -log_dir="" -// Log files will be written to this directory instead of the -// default temporary directory. -// -// Other flags provide aids to debugging. -// -// -log_backtrace_at="" -// When set to a file and line number holding a logging statement, -// such as -// -log_backtrace_at=gopherflakes.go:234 -// a stack trace will be written to the Info log whenever execution -// hits that statement. (Unlike with -vmodule, the ".go" must be -// present.) -// -v=0 -// Enable V-leveled logging at the specified level. -// -vmodule="" -// The syntax of the argument is a comma-separated list of pattern=N, -// where pattern is a literal file name (minus the ".go" suffix) or -// "glob" pattern and N is a V level. For instance, -// -vmodule=gopher*=3 -// sets the V level to 3 in all Go files whose names begin "gopher". -package klog - -import ( - "bufio" - "bytes" - "errors" - "flag" - "fmt" - "io" - stdLog "log" - "math" - "os" - "path/filepath" - "runtime" - "strconv" - "strings" - "sync" - "sync/atomic" - "time" - - "k8s.io/klog/v2/internal/buffer" - "k8s.io/klog/v2/internal/clock" - "k8s.io/klog/v2/internal/dbg" - "k8s.io/klog/v2/internal/serialize" - "k8s.io/klog/v2/internal/severity" -) - -// severityValue identifies the sort of log: info, warning etc. It also implements -// the flag.Value interface. The -stderrthreshold flag is of type severity and -// should be modified only through the flag.Value interface. The values match -// the corresponding constants in C++. -type severityValue struct { - severity.Severity -} - -// get returns the value of the severity. -func (s *severityValue) get() severity.Severity { - return severity.Severity(atomic.LoadInt32((*int32)(&s.Severity))) -} - -// set sets the value of the severity. -func (s *severityValue) set(val severity.Severity) { - atomic.StoreInt32((*int32)(&s.Severity), int32(val)) -} - -// String is part of the flag.Value interface. -func (s *severityValue) String() string { - return strconv.FormatInt(int64(s.Severity), 10) -} - -// Get is part of the flag.Getter interface. -func (s *severityValue) Get() interface{} { - return s.Severity -} - -// Set is part of the flag.Value interface. -func (s *severityValue) Set(value string) error { - var threshold severity.Severity - // Is it a known name? - if v, ok := severity.ByName(value); ok { - threshold = v - } else { - v, err := strconv.ParseInt(value, 10, 32) - if err != nil { - return err - } - threshold = severity.Severity(v) - } - logging.stderrThreshold.set(threshold) - return nil -} - -// OutputStats tracks the number of output lines and bytes written. -type OutputStats struct { - lines int64 - bytes int64 -} - -// Lines returns the number of lines written. -func (s *OutputStats) Lines() int64 { - return atomic.LoadInt64(&s.lines) -} - -// Bytes returns the number of bytes written. -func (s *OutputStats) Bytes() int64 { - return atomic.LoadInt64(&s.bytes) -} - -// Stats tracks the number of lines of output and number of bytes -// per severity level. Values must be read with atomic.LoadInt64. -var Stats struct { - Info, Warning, Error OutputStats -} - -var severityStats = [severity.NumSeverity]*OutputStats{ - severity.InfoLog: &Stats.Info, - severity.WarningLog: &Stats.Warning, - severity.ErrorLog: &Stats.Error, -} - -// Level is exported because it appears in the arguments to V and is -// the type of the v flag, which can be set programmatically. -// It's a distinct type because we want to discriminate it from logType. -// Variables of type level are only changed under logging.mu. -// The -v flag is read only with atomic ops, so the state of the logging -// module is consistent. - -// Level is treated as a sync/atomic int32. - -// Level specifies a level of verbosity for V logs. *Level implements -// flag.Value; the -v flag is of type Level and should be modified -// only through the flag.Value interface. -type Level int32 - -// get returns the value of the Level. -func (l *Level) get() Level { - return Level(atomic.LoadInt32((*int32)(l))) -} - -// set sets the value of the Level. -func (l *Level) set(val Level) { - atomic.StoreInt32((*int32)(l), int32(val)) -} - -// String is part of the flag.Value interface. -func (l *Level) String() string { - return strconv.FormatInt(int64(*l), 10) -} - -// Get is part of the flag.Getter interface. -func (l *Level) Get() interface{} { - return *l -} - -// Set is part of the flag.Value interface. -func (l *Level) Set(value string) error { - v, err := strconv.ParseInt(value, 10, 32) - if err != nil { - return err - } - logging.mu.Lock() - defer logging.mu.Unlock() - logging.setVState(Level(v), logging.vmodule.filter, false) - return nil -} - -// moduleSpec represents the setting of the -vmodule flag. -type moduleSpec struct { - filter []modulePat -} - -// modulePat contains a filter for the -vmodule flag. -// It holds a verbosity level and a file pattern to match. -type modulePat struct { - pattern string - literal bool // The pattern is a literal string - level Level -} - -// match reports whether the file matches the pattern. It uses a string -// comparison if the pattern contains no metacharacters. -func (m *modulePat) match(file string) bool { - if m.literal { - return file == m.pattern - } - match, _ := filepath.Match(m.pattern, file) - return match -} - -func (m *moduleSpec) String() string { - // Lock because the type is not atomic. TODO: clean this up. - logging.mu.Lock() - defer logging.mu.Unlock() - return m.serialize() -} - -func (m *moduleSpec) serialize() string { - var b bytes.Buffer - for i, f := range m.filter { - if i > 0 { - b.WriteRune(',') - } - fmt.Fprintf(&b, "%s=%d", f.pattern, f.level) - } - return b.String() -} - -// Get is part of the (Go 1.2) flag.Getter interface. It always returns nil for this flag type since the -// struct is not exported. -func (m *moduleSpec) Get() interface{} { - return nil -} - -var errVmoduleSyntax = errors.New("syntax error: expect comma-separated list of filename=N") - -// Set will sets module value -// Syntax: -vmodule=recordio=2,file=1,gfs*=3 -func (m *moduleSpec) Set(value string) error { - filter, err := parseModuleSpec(value) - if err != nil { - return err - } - logging.mu.Lock() - defer logging.mu.Unlock() - logging.setVState(logging.verbosity, filter, true) - return nil -} - -func parseModuleSpec(value string) ([]modulePat, error) { - var filter []modulePat - for _, pat := range strings.Split(value, ",") { - if len(pat) == 0 { - // Empty strings such as from a trailing comma can be ignored. - continue - } - patLev := strings.Split(pat, "=") - if len(patLev) != 2 || len(patLev[0]) == 0 || len(patLev[1]) == 0 { - return nil, errVmoduleSyntax - } - pattern := patLev[0] - v, err := strconv.ParseInt(patLev[1], 10, 32) - if err != nil { - return nil, errors.New("syntax error: expect comma-separated list of filename=N") - } - if v < 0 { - return nil, errors.New("negative value for vmodule level") - } - if v == 0 { - continue // Ignore. It's harmless but no point in paying the overhead. - } - // TODO: check syntax of filter? - filter = append(filter, modulePat{pattern, isLiteral(pattern), Level(v)}) - } - return filter, nil -} - -// isLiteral reports whether the pattern is a literal string, that is, has no metacharacters -// that require filepath.Match to be called to match the pattern. -func isLiteral(pattern string) bool { - return !strings.ContainsAny(pattern, `\*?[]`) -} - -// traceLocation represents the setting of the -log_backtrace_at flag. -type traceLocation struct { - file string - line int -} - -// isSet reports whether the trace location has been specified. -// logging.mu is held. -func (t *traceLocation) isSet() bool { - return t.line > 0 -} - -// match reports whether the specified file and line matches the trace location. -// The argument file name is the full path, not the basename specified in the flag. -// logging.mu is held. -func (t *traceLocation) match(file string, line int) bool { - if t.line != line { - return false - } - if i := strings.LastIndex(file, "/"); i >= 0 { - file = file[i+1:] - } - return t.file == file -} - -func (t *traceLocation) String() string { - // Lock because the type is not atomic. TODO: clean this up. - logging.mu.Lock() - defer logging.mu.Unlock() - return fmt.Sprintf("%s:%d", t.file, t.line) -} - -// Get is part of the (Go 1.2) flag.Getter interface. It always returns nil for this flag type since the -// struct is not exported -func (t *traceLocation) Get() interface{} { - return nil -} - -var errTraceSyntax = errors.New("syntax error: expect file.go:234") - -// Set will sets backtrace value -// Syntax: -log_backtrace_at=gopherflakes.go:234 -// Note that unlike vmodule the file extension is included here. -func (t *traceLocation) Set(value string) error { - if value == "" { - // Unset. - logging.mu.Lock() - defer logging.mu.Unlock() - t.line = 0 - t.file = "" - return nil - } - fields := strings.Split(value, ":") - if len(fields) != 2 { - return errTraceSyntax - } - file, line := fields[0], fields[1] - if !strings.Contains(file, ".") { - return errTraceSyntax - } - v, err := strconv.Atoi(line) - if err != nil { - return errTraceSyntax - } - if v <= 0 { - return errors.New("negative or zero value for level") - } - logging.mu.Lock() - defer logging.mu.Unlock() - t.line = v - t.file = file - return nil -} - -// flushSyncWriter is the interface satisfied by logging destinations. -type flushSyncWriter interface { - Flush() error - Sync() error - io.Writer -} - -var logging loggingT -var commandLine flag.FlagSet - -// init sets up the defaults and creates command line flags. -func init() { - commandLine.StringVar(&logging.logDir, "log_dir", "", "If non-empty, write log files in this directory (no effect when -logtostderr=true)") - commandLine.StringVar(&logging.logFile, "log_file", "", "If non-empty, use this log file (no effect when -logtostderr=true)") - commandLine.Uint64Var(&logging.logFileMaxSizeMB, "log_file_max_size", 1800, - "Defines the maximum size a log file can grow to (no effect when -logtostderr=true). Unit is megabytes. "+ - "If the value is 0, the maximum file size is unlimited.") - commandLine.BoolVar(&logging.toStderr, "logtostderr", true, "log to standard error instead of files") - commandLine.BoolVar(&logging.alsoToStderr, "alsologtostderr", false, "log to standard error as well as files (no effect when -logtostderr=true)") - logging.setVState(0, nil, false) - commandLine.Var(&logging.verbosity, "v", "number for the log level verbosity") - commandLine.BoolVar(&logging.addDirHeader, "add_dir_header", false, "If true, adds the file directory to the header of the log messages") - commandLine.BoolVar(&logging.skipHeaders, "skip_headers", false, "If true, avoid header prefixes in the log messages") - commandLine.BoolVar(&logging.oneOutput, "one_output", false, "If true, only write logs to their native severity level (vs also writing to each lower severity level; no effect when -logtostderr=true)") - commandLine.BoolVar(&logging.skipLogHeaders, "skip_log_headers", false, "If true, avoid headers when opening log files (no effect when -logtostderr=true)") - logging.stderrThreshold = severityValue{ - Severity: severity.ErrorLog, // Default stderrThreshold is ERROR. - } - commandLine.Var(&logging.stderrThreshold, "stderrthreshold", "logs at or above this threshold go to stderr when writing to files and stderr (no effect when -logtostderr=true or -alsologtostderr=true)") - commandLine.Var(&logging.vmodule, "vmodule", "comma-separated list of pattern=N settings for file-filtered logging") - commandLine.Var(&logging.traceLocation, "log_backtrace_at", "when logging hits line file:N, emit a stack trace") - - logging.settings.contextualLoggingEnabled = true - logging.flushD = newFlushDaemon(logging.lockAndFlushAll, nil) -} - -// InitFlags is for explicitly initializing the flags. -// It may get called repeatedly for different flagsets, but not -// twice for the same one. May get called concurrently -// to other goroutines using klog. However, only some flags -// may get set concurrently (see implementation). -func InitFlags(flagset *flag.FlagSet) { - if flagset == nil { - flagset = flag.CommandLine - } - - commandLine.VisitAll(func(f *flag.Flag) { - flagset.Var(f.Value, f.Name, f.Usage) - }) -} - -// Flush flushes all pending log I/O. -func Flush() { - logging.lockAndFlushAll() -} - -// settings collects global settings. -type settings struct { - // contextualLoggingEnabled controls whether contextual logging is - // active. Disabling it may have some small performance benefit. - contextualLoggingEnabled bool - - // logger is the global Logger chosen by users of klog, nil if - // none is available. - logger *logWriter - - // loggerOptions contains the options that were supplied for - // globalLogger. - loggerOptions loggerOptions - - // Boolean flags. Not handled atomically because the flag.Value interface - // does not let us avoid the =true, and that shorthand is necessary for - // compatibility. TODO: does this matter enough to fix? Seems unlikely. - toStderr bool // The -logtostderr flag. - alsoToStderr bool // The -alsologtostderr flag. - - // Level flag. Handled atomically. - stderrThreshold severityValue // The -stderrthreshold flag. - - // Access to all of the following fields must be protected via a mutex. - - // file holds writer for each of the log types. - file [severity.NumSeverity]flushSyncWriter - // flushInterval is the interval for periodic flushing. If zero, - // the global default will be used. - flushInterval time.Duration - - // filterLength stores the length of the vmodule filter chain. If greater - // than zero, it means vmodule is enabled. It may be read safely - // using sync.LoadInt32, but is only modified under mu. - filterLength int32 - // traceLocation is the state of the -log_backtrace_at flag. - traceLocation traceLocation - // These flags are modified only under lock, although verbosity may be fetched - // safely using atomic.LoadInt32. - vmodule moduleSpec // The state of the -vmodule flag. - verbosity Level // V logging level, the value of the -v flag/ - - // If non-empty, overrides the choice of directory in which to write logs. - // See createLogDirs for the full list of possible destinations. - logDir string - - // If non-empty, specifies the path of the file to write logs. mutually exclusive - // with the log_dir option. - logFile string - - // When logFile is specified, this limiter makes sure the logFile won't exceeds a certain size. When exceeds, the - // logFile will be cleaned up. If this value is 0, no size limitation will be applied to logFile. - logFileMaxSizeMB uint64 - - // If true, do not add the prefix headers, useful when used with SetOutput - skipHeaders bool - - // If true, do not add the headers to log files - skipLogHeaders bool - - // If true, add the file directory to the header - addDirHeader bool - - // If true, messages will not be propagated to lower severity log levels - oneOutput bool - - // If set, all output will be filtered through the filter. - filter LogFilter -} - -// deepCopy creates a copy that doesn't share anything with the original -// instance. -func (s settings) deepCopy() settings { - // vmodule is a slice and would be shared, so we have copy it. - filter := make([]modulePat, len(s.vmodule.filter)) - copy(filter, s.vmodule.filter) - s.vmodule.filter = filter - - if s.logger != nil { - logger := *s.logger - s.logger = &logger - } - - return s -} - -// loggingT collects all the global state of the logging setup. -type loggingT struct { - settings - - // flushD holds a flushDaemon that frequently flushes log file buffers. - // Uses its own mutex. - flushD *flushDaemon - - // mu protects the remaining elements of this structure and the fields - // in settingsT which need a mutex lock. - mu sync.Mutex - - // pcs is used in V to avoid an allocation when computing the caller's PC. - pcs [1]uintptr - // vmap is a cache of the V Level for each V() call site, identified by PC. - // It is wiped whenever the vmodule flag changes state. - vmap map[uintptr]Level -} - -// setVState sets a consistent state for V logging. -// l.mu is held. -func (l *loggingT) setVState(verbosity Level, filter []modulePat, setFilter bool) { - // Turn verbosity off so V will not fire while we are in transition. - l.verbosity.set(0) - // Ditto for filter length. - atomic.StoreInt32(&l.filterLength, 0) - - // Set the new filters and wipe the pc->Level map if the filter has changed. - if setFilter { - l.vmodule.filter = filter - l.vmap = make(map[uintptr]Level) - } - - // Things are consistent now, so enable filtering and verbosity. - // They are enabled in order opposite to that in V. - atomic.StoreInt32(&l.filterLength, int32(len(filter))) - l.verbosity.set(verbosity) -} - -var timeNow = time.Now // Stubbed out for testing. - -// CaptureState gathers information about all current klog settings. -// The result can be used to restore those settings. -func CaptureState() State { - logging.mu.Lock() - defer logging.mu.Unlock() - return &state{ - settings: logging.settings.deepCopy(), - flushDRunning: logging.flushD.isRunning(), - maxSize: MaxSize, - } -} - -// State stores a snapshot of klog settings. It gets created with CaptureState -// and can be used to restore the entire state. Modifying individual settings -// is supported via the command line flags. -type State interface { - // Restore restore the entire state. It may get called more than once. - Restore() -} - -type state struct { - settings - - flushDRunning bool - maxSize uint64 -} - -func (s *state) Restore() { - // This needs to be done before mutex locking. - if s.flushDRunning && !logging.flushD.isRunning() { - // This is not quite accurate: StartFlushDaemon might - // have been called with some different interval. - interval := s.flushInterval - if interval == 0 { - interval = flushInterval - } - logging.flushD.run(interval) - } else if !s.flushDRunning && logging.flushD.isRunning() { - logging.flushD.stop() - } - - logging.mu.Lock() - defer logging.mu.Unlock() - - logging.settings = s.settings - logging.setVState(s.verbosity, s.vmodule.filter, true) - MaxSize = s.maxSize -} - -/* -header formats a log header as defined by the C++ implementation. -It returns a buffer containing the formatted header and the user's file and line number. -The depth specifies how many stack frames above lives the source line to be identified in the log message. - -Log lines have this form: - - Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg... - -where the fields are defined as follows: - - L A single character, representing the log level (eg 'I' for INFO) - mm The month (zero padded; ie May is '05') - dd The day (zero padded) - hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds - threadid The space-padded thread ID as returned by GetTID() - file The file name - line The line number - msg The user-supplied message -*/ -func (l *loggingT) header(s severity.Severity, depth int) (*buffer.Buffer, string, int) { - _, file, line, ok := runtime.Caller(3 + depth) - if !ok { - file = "???" - line = 1 - } else { - if slash := strings.LastIndex(file, "/"); slash >= 0 { - path := file - file = path[slash+1:] - if l.addDirHeader { - if dirsep := strings.LastIndex(path[:slash], "/"); dirsep >= 0 { - file = path[dirsep+1:] - } - } - } - } - return l.formatHeader(s, file, line, timeNow()), file, line -} - -// formatHeader formats a log header using the provided file name and line number. -func (l *loggingT) formatHeader(s severity.Severity, file string, line int, now time.Time) *buffer.Buffer { - buf := buffer.GetBuffer() - if l.skipHeaders { - return buf - } - buf.FormatHeader(s, file, line, now) - return buf -} - -func (l *loggingT) println(s severity.Severity, logger *logWriter, filter LogFilter, args ...interface{}) { - l.printlnDepth(s, logger, filter, 1, args...) -} - -func (l *loggingT) printlnDepth(s severity.Severity, logger *logWriter, filter LogFilter, depth int, args ...interface{}) { - if false { - _ = fmt.Sprintln(args...) // cause vet to treat this function like fmt.Println - } - - buf, file, line := l.header(s, depth) - // If a logger is set and doesn't support writing a formatted buffer, - // we clear the generated header as we rely on the backing - // logger implementation to print headers. - if logger != nil && logger.writeKlogBuffer == nil { - buffer.PutBuffer(buf) - buf = buffer.GetBuffer() - } - if filter != nil { - args = filter.Filter(args) - } - fmt.Fprintln(buf, args...) - l.output(s, logger, buf, depth, file, line, false) -} - -func (l *loggingT) print(s severity.Severity, logger *logWriter, filter LogFilter, args ...interface{}) { - l.printDepth(s, logger, filter, 1, args...) -} - -func (l *loggingT) printDepth(s severity.Severity, logger *logWriter, filter LogFilter, depth int, args ...interface{}) { - if false { - _ = fmt.Sprint(args...) // // cause vet to treat this function like fmt.Print - } - - buf, file, line := l.header(s, depth) - l.printWithInfos(buf, file, line, s, logger, filter, depth+1, args...) -} - -func (l *loggingT) printWithInfos(buf *buffer.Buffer, file string, line int, s severity.Severity, logger *logWriter, filter LogFilter, depth int, args ...interface{}) { - // If a logger is set and doesn't support writing a formatted buffer, - // we clear the generated header as we rely on the backing - // logger implementation to print headers. - if logger != nil && logger.writeKlogBuffer == nil { - buffer.PutBuffer(buf) - buf = buffer.GetBuffer() - } - if filter != nil { - args = filter.Filter(args) - } - fmt.Fprint(buf, args...) - if buf.Len() == 0 || buf.Bytes()[buf.Len()-1] != '\n' { - buf.WriteByte('\n') - } - l.output(s, logger, buf, depth, file, line, false) -} - -func (l *loggingT) printf(s severity.Severity, logger *logWriter, filter LogFilter, format string, args ...interface{}) { - l.printfDepth(s, logger, filter, 1, format, args...) -} - -func (l *loggingT) printfDepth(s severity.Severity, logger *logWriter, filter LogFilter, depth int, format string, args ...interface{}) { - if false { - _ = fmt.Sprintf(format, args...) // cause vet to treat this function like fmt.Printf - } - - buf, file, line := l.header(s, depth) - // If a logger is set and doesn't support writing a formatted buffer, - // we clear the generated header as we rely on the backing - // logger implementation to print headers. - if logger != nil && logger.writeKlogBuffer == nil { - buffer.PutBuffer(buf) - buf = buffer.GetBuffer() - } - if filter != nil { - format, args = filter.FilterF(format, args) - } - fmt.Fprintf(buf, format, args...) - if buf.Bytes()[buf.Len()-1] != '\n' { - buf.WriteByte('\n') - } - l.output(s, logger, buf, depth, file, line, false) -} - -// printWithFileLine behaves like print but uses the provided file and line number. If -// alsoLogToStderr is true, the log message always appears on standard error; it -// will also appear in the log file unless --logtostderr is set. -func (l *loggingT) printWithFileLine(s severity.Severity, logger *logWriter, filter LogFilter, file string, line int, alsoToStderr bool, args ...interface{}) { - buf := l.formatHeader(s, file, line, timeNow()) - // If a logger is set and doesn't support writing a formatted buffer, - // we clear the generated header as we rely on the backing - // logger implementation to print headers. - if logger != nil && logger.writeKlogBuffer == nil { - buffer.PutBuffer(buf) - buf = buffer.GetBuffer() - } - if filter != nil { - args = filter.Filter(args) - } - fmt.Fprint(buf, args...) - if buf.Bytes()[buf.Len()-1] != '\n' { - buf.WriteByte('\n') - } - l.output(s, logger, buf, 2 /* depth */, file, line, alsoToStderr) -} - -// if logger is specified, will call logger.Error, otherwise output with logging module. -func (l *loggingT) errorS(err error, logger *logWriter, filter LogFilter, depth int, msg string, keysAndValues ...interface{}) { - if filter != nil { - msg, keysAndValues = filter.FilterS(msg, keysAndValues) - } - if logger != nil { - logger.WithCallDepth(depth+2).Error(err, msg, keysAndValues...) - return - } - l.printS(err, severity.ErrorLog, depth+1, msg, keysAndValues...) -} - -// if logger is specified, will call logger.Info, otherwise output with logging module. -func (l *loggingT) infoS(logger *logWriter, filter LogFilter, depth int, msg string, keysAndValues ...interface{}) { - if filter != nil { - msg, keysAndValues = filter.FilterS(msg, keysAndValues) - } - if logger != nil { - logger.WithCallDepth(depth+2).Info(msg, keysAndValues...) - return - } - l.printS(nil, severity.InfoLog, depth+1, msg, keysAndValues...) -} - -// printS is called from infoS and errorS if logger is not specified. -// set log severity by s -func (l *loggingT) printS(err error, s severity.Severity, depth int, msg string, keysAndValues ...interface{}) { - // Only create a new buffer if we don't have one cached. - b := buffer.GetBuffer() - // The message is always quoted, even if it contains line breaks. - // If developers want multi-line output, they should use a small, fixed - // message and put the multi-line output into a value. - b.WriteString(strconv.Quote(msg)) - if err != nil { - serialize.KVListFormat(&b.Buffer, "err", err) - } - serialize.KVListFormat(&b.Buffer, keysAndValues...) - l.printDepth(s, nil, nil, depth+1, &b.Buffer) - // Make the buffer available for reuse. - buffer.PutBuffer(b) -} - -// redirectBuffer is used to set an alternate destination for the logs -type redirectBuffer struct { - w io.Writer -} - -func (rb *redirectBuffer) Sync() error { - return nil -} - -func (rb *redirectBuffer) Flush() error { - return nil -} - -func (rb *redirectBuffer) Write(bytes []byte) (n int, err error) { - return rb.w.Write(bytes) -} - -// SetOutput sets the output destination for all severities -func SetOutput(w io.Writer) { - logging.mu.Lock() - defer logging.mu.Unlock() - for s := severity.FatalLog; s >= severity.InfoLog; s-- { - rb := &redirectBuffer{ - w: w, - } - logging.file[s] = rb - } -} - -// SetOutputBySeverity sets the output destination for specific severity -func SetOutputBySeverity(name string, w io.Writer) { - logging.mu.Lock() - defer logging.mu.Unlock() - sev, ok := severity.ByName(name) - if !ok { - panic(fmt.Sprintf("SetOutputBySeverity(%q): unrecognized severity name", name)) - } - rb := &redirectBuffer{ - w: w, - } - logging.file[sev] = rb -} - -// LogToStderr sets whether to log exclusively to stderr, bypassing outputs -func LogToStderr(stderr bool) { - logging.mu.Lock() - defer logging.mu.Unlock() - - logging.toStderr = stderr -} - -// output writes the data to the log files and releases the buffer. -func (l *loggingT) output(s severity.Severity, logger *logWriter, buf *buffer.Buffer, depth int, file string, line int, alsoToStderr bool) { - var isLocked = true - l.mu.Lock() - defer func() { - if isLocked { - // Unlock before returning in case that it wasn't done already. - l.mu.Unlock() - } - }() - - if l.traceLocation.isSet() { - if l.traceLocation.match(file, line) { - buf.Write(dbg.Stacks(false)) - } - } - data := buf.Bytes() - if logger != nil { - if logger.writeKlogBuffer != nil { - logger.writeKlogBuffer(data) - } else { - if len(data) > 0 && data[len(data)-1] == '\n' { - data = data[:len(data)-1] - } - // TODO: set 'severity' and caller information as structured log info - // keysAndValues := []interface{}{"severity", severityName[s], "file", file, "line", line} - if s == severity.ErrorLog { - logger.WithCallDepth(depth+3).Error(nil, string(data)) - } else { - logger.WithCallDepth(depth + 3).Info(string(data)) - } - } - } else if l.toStderr { - os.Stderr.Write(data) - } else { - if alsoToStderr || l.alsoToStderr || s >= l.stderrThreshold.get() { - os.Stderr.Write(data) - } - - if logging.logFile != "" { - // Since we are using a single log file, all of the items in l.file array - // will point to the same file, so just use one of them to write data. - if l.file[severity.InfoLog] == nil { - if err := l.createFiles(severity.InfoLog); err != nil { - os.Stderr.Write(data) // Make sure the message appears somewhere. - l.exit(err) - } - } - _, _ = l.file[severity.InfoLog].Write(data) - } else { - if l.file[s] == nil { - if err := l.createFiles(s); err != nil { - os.Stderr.Write(data) // Make sure the message appears somewhere. - l.exit(err) - } - } - - if l.oneOutput { - _, _ = l.file[s].Write(data) - } else { - switch s { - case severity.FatalLog: - _, _ = l.file[severity.FatalLog].Write(data) - fallthrough - case severity.ErrorLog: - _, _ = l.file[severity.ErrorLog].Write(data) - fallthrough - case severity.WarningLog: - _, _ = l.file[severity.WarningLog].Write(data) - fallthrough - case severity.InfoLog: - _, _ = l.file[severity.InfoLog].Write(data) - } - } - } - } - if s == severity.FatalLog { - // If we got here via Exit rather than Fatal, print no stacks. - if atomic.LoadUint32(&fatalNoStacks) > 0 { - l.mu.Unlock() - isLocked = false - timeoutFlush(ExitFlushTimeout) - OsExit(1) - } - // Dump all goroutine stacks before exiting. - // First, make sure we see the trace for the current goroutine on standard error. - // If -logtostderr has been specified, the loop below will do that anyway - // as the first stack in the full dump. - if !l.toStderr { - os.Stderr.Write(dbg.Stacks(false)) - } - - // Write the stack trace for all goroutines to the files. - trace := dbg.Stacks(true) - logExitFunc = func(error) {} // If we get a write error, we'll still exit below. - for log := severity.FatalLog; log >= severity.InfoLog; log-- { - if f := l.file[log]; f != nil { // Can be nil if -logtostderr is set. - _, _ = f.Write(trace) - } - } - l.mu.Unlock() - isLocked = false - timeoutFlush(ExitFlushTimeout) - OsExit(255) // C++ uses -1, which is silly because it's anded with 255 anyway. - } - buffer.PutBuffer(buf) - - if stats := severityStats[s]; stats != nil { - atomic.AddInt64(&stats.lines, 1) - atomic.AddInt64(&stats.bytes, int64(len(data))) - } -} - -// logExitFunc provides a simple mechanism to override the default behavior -// of exiting on error. Used in testing and to guarantee we reach a required exit -// for fatal logs. Instead, exit could be a function rather than a method but that -// would make its use clumsier. -var logExitFunc func(error) - -// exit is called if there is trouble creating or writing log files. -// It flushes the logs and exits the program; there's no point in hanging around. -// l.mu is held. -func (l *loggingT) exit(err error) { - fmt.Fprintf(os.Stderr, "log: exiting because of error: %s\n", err) - // If logExitFunc is set, we do that instead of exiting. - if logExitFunc != nil { - logExitFunc(err) - return - } - l.flushAll() - OsExit(2) -} - -// syncBuffer joins a bufio.Writer to its underlying file, providing access to the -// file's Sync method and providing a wrapper for the Write method that provides log -// file rotation. There are conflicting methods, so the file cannot be embedded. -// l.mu is held for all its methods. -type syncBuffer struct { - logger *loggingT - *bufio.Writer - file *os.File - sev severity.Severity - nbytes uint64 // The number of bytes written to this file - maxbytes uint64 // The max number of bytes this syncBuffer.file can hold before cleaning up. -} - -func (sb *syncBuffer) Sync() error { - return sb.file.Sync() -} - -// CalculateMaxSize returns the real max size in bytes after considering the default max size and the flag options. -func CalculateMaxSize() uint64 { - if logging.logFile != "" { - if logging.logFileMaxSizeMB == 0 { - // If logFileMaxSizeMB is zero, we don't have limitations on the log size. - return math.MaxUint64 - } - // Flag logFileMaxSizeMB is in MB for user convenience. - return logging.logFileMaxSizeMB * 1024 * 1024 - } - // If "log_file" flag is not specified, the target file (sb.file) will be cleaned up when reaches a fixed size. - return MaxSize -} - -func (sb *syncBuffer) Write(p []byte) (n int, err error) { - if sb.nbytes+uint64(len(p)) >= sb.maxbytes { - if err := sb.rotateFile(time.Now(), false); err != nil { - sb.logger.exit(err) - } - } - n, err = sb.Writer.Write(p) - sb.nbytes += uint64(n) - if err != nil { - sb.logger.exit(err) - } - return -} - -// rotateFile closes the syncBuffer's file and starts a new one. -// The startup argument indicates whether this is the initial startup of klog. -// If startup is true, existing files are opened for appending instead of truncated. -func (sb *syncBuffer) rotateFile(now time.Time, startup bool) error { - if sb.file != nil { - sb.Flush() - sb.file.Close() - } - var err error - sb.file, _, err = create(severity.Name[sb.sev], now, startup) - if err != nil { - return err - } - if startup { - fileInfo, err := sb.file.Stat() - if err != nil { - return fmt.Errorf("file stat could not get fileinfo: %v", err) - } - // init file size - sb.nbytes = uint64(fileInfo.Size()) - } else { - sb.nbytes = 0 - } - sb.Writer = bufio.NewWriterSize(sb.file, bufferSize) - - if sb.logger.skipLogHeaders { - return nil - } - - // Write header. - var buf bytes.Buffer - fmt.Fprintf(&buf, "Log file created at: %s\n", now.Format("2006/01/02 15:04:05")) - fmt.Fprintf(&buf, "Running on machine: %s\n", host) - fmt.Fprintf(&buf, "Binary: Built with %s %s for %s/%s\n", runtime.Compiler, runtime.Version(), runtime.GOOS, runtime.GOARCH) - fmt.Fprintf(&buf, "Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg\n") - n, err := sb.file.Write(buf.Bytes()) - sb.nbytes += uint64(n) - return err -} - -// bufferSize sizes the buffer associated with each log file. It's large -// so that log records can accumulate without the logging thread blocking -// on disk I/O. The flushDaemon will block instead. -const bufferSize = 256 * 1024 - -// createFiles creates all the log files for severity from sev down to infoLog. -// l.mu is held. -func (l *loggingT) createFiles(sev severity.Severity) error { - interval := l.flushInterval - if interval == 0 { - interval = flushInterval - } - l.flushD.run(interval) - now := time.Now() - // Files are created in decreasing severity order, so as soon as we find one - // has already been created, we can stop. - for s := sev; s >= severity.InfoLog && l.file[s] == nil; s-- { - sb := &syncBuffer{ - logger: l, - sev: s, - maxbytes: CalculateMaxSize(), - } - if err := sb.rotateFile(now, true); err != nil { - return err - } - l.file[s] = sb - } - return nil -} - -const flushInterval = 5 * time.Second - -// flushDaemon periodically flushes the log file buffers. -type flushDaemon struct { - mu sync.Mutex - clock clock.Clock - flush func() - stopC chan struct{} - stopDone chan struct{} -} - -// newFlushDaemon returns a new flushDaemon. If the passed clock is nil, a -// clock.RealClock is used. -func newFlushDaemon(flush func(), tickClock clock.Clock) *flushDaemon { - if tickClock == nil { - tickClock = clock.RealClock{} - } - return &flushDaemon{ - flush: flush, - clock: tickClock, - } -} - -// run starts a goroutine that periodically calls the daemons flush function. -// Calling run on an already running daemon will have no effect. -func (f *flushDaemon) run(interval time.Duration) { - f.mu.Lock() - defer f.mu.Unlock() - - if f.stopC != nil { // daemon already running - return - } - - f.stopC = make(chan struct{}, 1) - f.stopDone = make(chan struct{}, 1) - - ticker := f.clock.NewTicker(interval) - go func() { - defer ticker.Stop() - defer func() { f.stopDone <- struct{}{} }() - for { - select { - case <-ticker.C(): - f.flush() - case <-f.stopC: - f.flush() - return - } - } - }() -} - -// stop stops the running flushDaemon and waits until the daemon has shut down. -// Calling stop on a daemon that isn't running will have no effect. -func (f *flushDaemon) stop() { - f.mu.Lock() - defer f.mu.Unlock() - - if f.stopC == nil { // daemon not running - return - } - - f.stopC <- struct{}{} - <-f.stopDone - - f.stopC = nil - f.stopDone = nil -} - -// isRunning returns true if the flush daemon is running. -func (f *flushDaemon) isRunning() bool { - f.mu.Lock() - defer f.mu.Unlock() - return f.stopC != nil -} - -// StopFlushDaemon stops the flush daemon, if running, and flushes once. -// This prevents klog from leaking goroutines on shutdown. After stopping -// the daemon, you can still manually flush buffers again by calling Flush(). -func StopFlushDaemon() { - logging.flushD.stop() -} - -// StartFlushDaemon ensures that the flush daemon runs with the given delay -// between flush calls. If it is already running, it gets restarted. -func StartFlushDaemon(interval time.Duration) { - StopFlushDaemon() - logging.flushD.run(interval) -} - -// lockAndFlushAll is like flushAll but locks l.mu first. -func (l *loggingT) lockAndFlushAll() { - l.mu.Lock() - l.flushAll() - l.mu.Unlock() -} - -// flushAll flushes all the logs and attempts to "sync" their data to disk. -// l.mu is held. -func (l *loggingT) flushAll() { - // Flush from fatal down, in case there's trouble flushing. - for s := severity.FatalLog; s >= severity.InfoLog; s-- { - file := l.file[s] - if file != nil { - _ = file.Flush() // ignore error - _ = file.Sync() // ignore error - } - } - if logging.loggerOptions.flush != nil { - logging.loggerOptions.flush() - } -} - -// CopyStandardLogTo arranges for messages written to the Go "log" package's -// default logs to also appear in the Google logs for the named and lower -// severities. Subsequent changes to the standard log's default output location -// or format may break this behavior. -// -// Valid names are "INFO", "WARNING", "ERROR", and "FATAL". If the name is not -// recognized, CopyStandardLogTo panics. -func CopyStandardLogTo(name string) { - sev, ok := severity.ByName(name) - if !ok { - panic(fmt.Sprintf("log.CopyStandardLogTo(%q): unrecognized severity name", name)) - } - // Set a log format that captures the user's file and line: - // d.go:23: message - stdLog.SetFlags(stdLog.Lshortfile) - stdLog.SetOutput(logBridge(sev)) -} - -// NewStandardLogger returns a Logger that writes to the klog logs for the -// named and lower severities. -// -// Valid names are "INFO", "WARNING", "ERROR", and "FATAL". If the name is not -// recognized, NewStandardLogger panics. -func NewStandardLogger(name string) *stdLog.Logger { - sev, ok := severity.ByName(name) - if !ok { - panic(fmt.Sprintf("klog.NewStandardLogger(%q): unknown severity", name)) - } - return stdLog.New(logBridge(sev), "", stdLog.Lshortfile) -} - -// logBridge provides the Write method that enables CopyStandardLogTo to connect -// Go's standard logs to the logs provided by this package. -type logBridge severity.Severity - -// Write parses the standard logging line and passes its components to the -// logger for severity(lb). -func (lb logBridge) Write(b []byte) (n int, err error) { - var ( - file = "???" - line = 1 - text string - ) - // Split "d.go:23: message" into "d.go", "23", and "message". - if parts := bytes.SplitN(b, []byte{':'}, 3); len(parts) != 3 || len(parts[0]) < 1 || len(parts[2]) < 1 { - text = fmt.Sprintf("bad log format: %s", b) - } else { - file = string(parts[0]) - text = string(parts[2][1:]) // skip leading space - line, err = strconv.Atoi(string(parts[1])) - if err != nil { - text = fmt.Sprintf("bad line number: %s", b) - line = 1 - } - } - // printWithFileLine with alsoToStderr=true, so standard log messages - // always appear on standard error. - logging.printWithFileLine(severity.Severity(lb), logging.logger, logging.filter, file, line, true, text) - return len(b), nil -} - -// setV computes and remembers the V level for a given PC -// when vmodule is enabled. -// File pattern matching takes the basename of the file, stripped -// of its .go suffix, and uses filepath.Match, which is a little more -// general than the *? matching used in C++. -// l.mu is held. -func (l *loggingT) setV(pc uintptr) Level { - fn := runtime.FuncForPC(pc) - file, _ := fn.FileLine(pc) - // The file is something like /a/b/c/d.go. We want just the d. - file = strings.TrimSuffix(file, ".go") - if slash := strings.LastIndex(file, "/"); slash >= 0 { - file = file[slash+1:] - } - for _, filter := range l.vmodule.filter { - if filter.match(file) { - l.vmap[pc] = filter.level - return filter.level - } - } - l.vmap[pc] = 0 - return 0 -} - -// Verbose is a boolean type that implements Infof (like Printf) etc. -// See the documentation of V for more information. -type Verbose struct { - enabled bool - logger *logWriter -} - -func newVerbose(level Level, b bool) Verbose { - if logging.logger == nil { - return Verbose{b, nil} - } - v := logging.logger.V(int(level)) - return Verbose{b, &logWriter{Logger: v, writeKlogBuffer: logging.loggerOptions.writeKlogBuffer}} -} - -// V reports whether verbosity at the call site is at least the requested level. -// The returned value is a struct of type Verbose, which implements Info, Infoln -// and Infof. These methods will write to the Info log if called. -// Thus, one may write either -// -// if klog.V(2).Enabled() { klog.Info("log this") } -// -// or -// -// klog.V(2).Info("log this") -// -// The second form is shorter but the first is cheaper if logging is off because it does -// not evaluate its arguments. -// -// Whether an individual call to V generates a log record depends on the setting of -// the -v and -vmodule flags; both are off by default. The V call will log if its level -// is less than or equal to the value of the -v flag, or alternatively if its level is -// less than or equal to the value of the -vmodule pattern matching the source file -// containing the call. -func V(level Level) Verbose { - return VDepth(1, level) -} - -// VDepth is a variant of V that accepts a number of stack frames that will be -// skipped when checking the -vmodule patterns. VDepth(0) is equivalent to -// V(). -func VDepth(depth int, level Level) Verbose { - // This function tries hard to be cheap unless there's work to do. - // The fast path is two atomic loads and compares. - - // Here is a cheap but safe test to see if V logging is enabled globally. - if logging.verbosity.get() >= level { - return newVerbose(level, true) - } - - // It's off globally but vmodule may still be set. - // Here is another cheap but safe test to see if vmodule is enabled. - if atomic.LoadInt32(&logging.filterLength) > 0 { - // Now we need a proper lock to use the logging structure. The pcs field - // is shared so we must lock before accessing it. This is fairly expensive, - // but if V logging is enabled we're slow anyway. - logging.mu.Lock() - defer logging.mu.Unlock() - if runtime.Callers(2+depth, logging.pcs[:]) == 0 { - return newVerbose(level, false) - } - // runtime.Callers returns "return PCs", but we want - // to look up the symbolic information for the call, - // so subtract 1 from the PC. runtime.CallersFrames - // would be cleaner, but allocates. - pc := logging.pcs[0] - 1 - v, ok := logging.vmap[pc] - if !ok { - v = logging.setV(pc) - } - return newVerbose(level, v >= level) - } - return newVerbose(level, false) -} - -// Enabled will return true if this log level is enabled, guarded by the value -// of v. -// See the documentation of V for usage. -func (v Verbose) Enabled() bool { - return v.enabled -} - -// Info is equivalent to the global Info function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) Info(args ...interface{}) { - if v.enabled { - logging.print(severity.InfoLog, v.logger, logging.filter, args...) - } -} - -// InfoDepth is equivalent to the global InfoDepth function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) InfoDepth(depth int, args ...interface{}) { - if v.enabled { - logging.printDepth(severity.InfoLog, v.logger, logging.filter, depth, args...) - } -} - -// Infoln is equivalent to the global Infoln function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) Infoln(args ...interface{}) { - if v.enabled { - logging.println(severity.InfoLog, v.logger, logging.filter, args...) - } -} - -// InfolnDepth is equivalent to the global InfolnDepth function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) InfolnDepth(depth int, args ...interface{}) { - if v.enabled { - logging.printlnDepth(severity.InfoLog, v.logger, logging.filter, depth, args...) - } -} - -// Infof is equivalent to the global Infof function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) Infof(format string, args ...interface{}) { - if v.enabled { - logging.printf(severity.InfoLog, v.logger, logging.filter, format, args...) - } -} - -// InfofDepth is equivalent to the global InfofDepth function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) InfofDepth(depth int, format string, args ...interface{}) { - if v.enabled { - logging.printfDepth(severity.InfoLog, v.logger, logging.filter, depth, format, args...) - } -} - -// InfoS is equivalent to the global InfoS function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) InfoS(msg string, keysAndValues ...interface{}) { - if v.enabled { - logging.infoS(v.logger, logging.filter, 0, msg, keysAndValues...) - } -} - -// InfoSDepth acts as InfoS but uses depth to determine which call frame to log. -// InfoSDepth(0, "msg") is the same as InfoS("msg"). -func InfoSDepth(depth int, msg string, keysAndValues ...interface{}) { - logging.infoS(logging.logger, logging.filter, depth, msg, keysAndValues...) -} - -// InfoSDepth is equivalent to the global InfoSDepth function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) InfoSDepth(depth int, msg string, keysAndValues ...interface{}) { - if v.enabled { - logging.infoS(v.logger, logging.filter, depth, msg, keysAndValues...) - } -} - -// Deprecated: Use ErrorS instead. -func (v Verbose) Error(err error, msg string, args ...interface{}) { - if v.enabled { - logging.errorS(err, v.logger, logging.filter, 0, msg, args...) - } -} - -// ErrorS is equivalent to the global Error function, guarded by the value of v. -// See the documentation of V for usage. -func (v Verbose) ErrorS(err error, msg string, keysAndValues ...interface{}) { - if v.enabled { - logging.errorS(err, v.logger, logging.filter, 0, msg, keysAndValues...) - } -} - -// Info logs to the INFO log. -// Arguments are handled in the manner of fmt.Print; a newline is appended if missing. -func Info(args ...interface{}) { - logging.print(severity.InfoLog, logging.logger, logging.filter, args...) -} - -// InfoDepth acts as Info but uses depth to determine which call frame to log. -// InfoDepth(0, "msg") is the same as Info("msg"). -func InfoDepth(depth int, args ...interface{}) { - logging.printDepth(severity.InfoLog, logging.logger, logging.filter, depth, args...) -} - -// Infoln logs to the INFO log. -// Arguments are handled in the manner of fmt.Println; a newline is always appended. -func Infoln(args ...interface{}) { - logging.println(severity.InfoLog, logging.logger, logging.filter, args...) -} - -// InfolnDepth acts as Infoln but uses depth to determine which call frame to log. -// InfolnDepth(0, "msg") is the same as Infoln("msg"). -func InfolnDepth(depth int, args ...interface{}) { - logging.printlnDepth(severity.InfoLog, logging.logger, logging.filter, depth, args...) -} - -// Infof logs to the INFO log. -// Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. -func Infof(format string, args ...interface{}) { - logging.printf(severity.InfoLog, logging.logger, logging.filter, format, args...) -} - -// InfofDepth acts as Infof but uses depth to determine which call frame to log. -// InfofDepth(0, "msg", args...) is the same as Infof("msg", args...). -func InfofDepth(depth int, format string, args ...interface{}) { - logging.printfDepth(severity.InfoLog, logging.logger, logging.filter, depth, format, args...) -} - -// InfoS structured logs to the INFO log. -// The msg argument used to add constant description to the log line. -// The key/value pairs would be join by "=" ; a newline is always appended. -// -// Basic examples: -// >> klog.InfoS("Pod status updated", "pod", "kubedns", "status", "ready") -// output: -// >> I1025 00:15:15.525108 1 controller_utils.go:116] "Pod status updated" pod="kubedns" status="ready" -func InfoS(msg string, keysAndValues ...interface{}) { - logging.infoS(logging.logger, logging.filter, 0, msg, keysAndValues...) -} - -// Warning logs to the WARNING and INFO logs. -// Arguments are handled in the manner of fmt.Print; a newline is appended if missing. -func Warning(args ...interface{}) { - logging.print(severity.WarningLog, logging.logger, logging.filter, args...) -} - -// WarningDepth acts as Warning but uses depth to determine which call frame to log. -// WarningDepth(0, "msg") is the same as Warning("msg"). -func WarningDepth(depth int, args ...interface{}) { - logging.printDepth(severity.WarningLog, logging.logger, logging.filter, depth, args...) -} - -// Warningln logs to the WARNING and INFO logs. -// Arguments are handled in the manner of fmt.Println; a newline is always appended. -func Warningln(args ...interface{}) { - logging.println(severity.WarningLog, logging.logger, logging.filter, args...) -} - -// WarninglnDepth acts as Warningln but uses depth to determine which call frame to log. -// WarninglnDepth(0, "msg") is the same as Warningln("msg"). -func WarninglnDepth(depth int, args ...interface{}) { - logging.printlnDepth(severity.WarningLog, logging.logger, logging.filter, depth, args...) -} - -// Warningf logs to the WARNING and INFO logs. -// Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. -func Warningf(format string, args ...interface{}) { - logging.printf(severity.WarningLog, logging.logger, logging.filter, format, args...) -} - -// WarningfDepth acts as Warningf but uses depth to determine which call frame to log. -// WarningfDepth(0, "msg", args...) is the same as Warningf("msg", args...). -func WarningfDepth(depth int, format string, args ...interface{}) { - logging.printfDepth(severity.WarningLog, logging.logger, logging.filter, depth, format, args...) -} - -// Error logs to the ERROR, WARNING, and INFO logs. -// Arguments are handled in the manner of fmt.Print; a newline is appended if missing. -func Error(args ...interface{}) { - logging.print(severity.ErrorLog, logging.logger, logging.filter, args...) -} - -// ErrorDepth acts as Error but uses depth to determine which call frame to log. -// ErrorDepth(0, "msg") is the same as Error("msg"). -func ErrorDepth(depth int, args ...interface{}) { - logging.printDepth(severity.ErrorLog, logging.logger, logging.filter, depth, args...) -} - -// Errorln logs to the ERROR, WARNING, and INFO logs. -// Arguments are handled in the manner of fmt.Println; a newline is always appended. -func Errorln(args ...interface{}) { - logging.println(severity.ErrorLog, logging.logger, logging.filter, args...) -} - -// ErrorlnDepth acts as Errorln but uses depth to determine which call frame to log. -// ErrorlnDepth(0, "msg") is the same as Errorln("msg"). -func ErrorlnDepth(depth int, args ...interface{}) { - logging.printlnDepth(severity.ErrorLog, logging.logger, logging.filter, depth, args...) -} - -// Errorf logs to the ERROR, WARNING, and INFO logs. -// Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. -func Errorf(format string, args ...interface{}) { - logging.printf(severity.ErrorLog, logging.logger, logging.filter, format, args...) -} - -// ErrorfDepth acts as Errorf but uses depth to determine which call frame to log. -// ErrorfDepth(0, "msg", args...) is the same as Errorf("msg", args...). -func ErrorfDepth(depth int, format string, args ...interface{}) { - logging.printfDepth(severity.ErrorLog, logging.logger, logging.filter, depth, format, args...) -} - -// ErrorS structured logs to the ERROR, WARNING, and INFO logs. -// the err argument used as "err" field of log line. -// The msg argument used to add constant description to the log line. -// The key/value pairs would be join by "=" ; a newline is always appended. -// -// Basic examples: -// >> klog.ErrorS(err, "Failed to update pod status") -// output: -// >> E1025 00:15:15.525108 1 controller_utils.go:114] "Failed to update pod status" err="timeout" -func ErrorS(err error, msg string, keysAndValues ...interface{}) { - logging.errorS(err, logging.logger, logging.filter, 0, msg, keysAndValues...) -} - -// ErrorSDepth acts as ErrorS but uses depth to determine which call frame to log. -// ErrorSDepth(0, "msg") is the same as ErrorS("msg"). -func ErrorSDepth(depth int, err error, msg string, keysAndValues ...interface{}) { - logging.errorS(err, logging.logger, logging.filter, depth, msg, keysAndValues...) -} - -// Fatal logs to the FATAL, ERROR, WARNING, and INFO logs, -// prints stack trace(s), then calls OsExit(255). -// -// Stderr only receives a dump of the current goroutine's stack trace. Log files, -// if there are any, receive a dump of the stack traces in all goroutines. -// -// Callers who want more control over handling of fatal events may instead use a -// combination of different functions: -// - some info or error logging function, optionally with a stack trace -// value generated by github.com/go-logr/lib/dbg.Backtrace -// - Flush to flush pending log data -// - panic, os.Exit or returning to the caller with an error -// -// Arguments are handled in the manner of fmt.Print; a newline is appended if missing. -func Fatal(args ...interface{}) { - logging.print(severity.FatalLog, logging.logger, logging.filter, args...) -} - -// FatalDepth acts as Fatal but uses depth to determine which call frame to log. -// FatalDepth(0, "msg") is the same as Fatal("msg"). -func FatalDepth(depth int, args ...interface{}) { - logging.printDepth(severity.FatalLog, logging.logger, logging.filter, depth, args...) -} - -// Fatalln logs to the FATAL, ERROR, WARNING, and INFO logs, -// including a stack trace of all running goroutines, then calls OsExit(255). -// Arguments are handled in the manner of fmt.Println; a newline is always appended. -func Fatalln(args ...interface{}) { - logging.println(severity.FatalLog, logging.logger, logging.filter, args...) -} - -// FatallnDepth acts as Fatalln but uses depth to determine which call frame to log. -// FatallnDepth(0, "msg") is the same as Fatalln("msg"). -func FatallnDepth(depth int, args ...interface{}) { - logging.printlnDepth(severity.FatalLog, logging.logger, logging.filter, depth, args...) -} - -// Fatalf logs to the FATAL, ERROR, WARNING, and INFO logs, -// including a stack trace of all running goroutines, then calls OsExit(255). -// Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. -func Fatalf(format string, args ...interface{}) { - logging.printf(severity.FatalLog, logging.logger, logging.filter, format, args...) -} - -// FatalfDepth acts as Fatalf but uses depth to determine which call frame to log. -// FatalfDepth(0, "msg", args...) is the same as Fatalf("msg", args...). -func FatalfDepth(depth int, format string, args ...interface{}) { - logging.printfDepth(severity.FatalLog, logging.logger, logging.filter, depth, format, args...) -} - -// fatalNoStacks is non-zero if we are to exit without dumping goroutine stacks. -// It allows Exit and relatives to use the Fatal logs. -var fatalNoStacks uint32 - -// Exit logs to the FATAL, ERROR, WARNING, and INFO logs, then calls OsExit(1). -// Arguments are handled in the manner of fmt.Print; a newline is appended if missing. -func Exit(args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.print(severity.FatalLog, logging.logger, logging.filter, args...) -} - -// ExitDepth acts as Exit but uses depth to determine which call frame to log. -// ExitDepth(0, "msg") is the same as Exit("msg"). -func ExitDepth(depth int, args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.printDepth(severity.FatalLog, logging.logger, logging.filter, depth, args...) -} - -// Exitln logs to the FATAL, ERROR, WARNING, and INFO logs, then calls OsExit(1). -func Exitln(args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.println(severity.FatalLog, logging.logger, logging.filter, args...) -} - -// ExitlnDepth acts as Exitln but uses depth to determine which call frame to log. -// ExitlnDepth(0, "msg") is the same as Exitln("msg"). -func ExitlnDepth(depth int, args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.printlnDepth(severity.FatalLog, logging.logger, logging.filter, depth, args...) -} - -// Exitf logs to the FATAL, ERROR, WARNING, and INFO logs, then calls OsExit(1). -// Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. -func Exitf(format string, args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.printf(severity.FatalLog, logging.logger, logging.filter, format, args...) -} - -// ExitfDepth acts as Exitf but uses depth to determine which call frame to log. -// ExitfDepth(0, "msg", args...) is the same as Exitf("msg", args...). -func ExitfDepth(depth int, format string, args ...interface{}) { - atomic.StoreUint32(&fatalNoStacks, 1) - logging.printfDepth(severity.FatalLog, logging.logger, logging.filter, depth, format, args...) -} - -// LogFilter is a collection of functions that can filter all logging calls, -// e.g. for sanitization of arguments and prevent accidental leaking of secrets. -type LogFilter interface { - Filter(args []interface{}) []interface{} - FilterF(format string, args []interface{}) (string, []interface{}) - FilterS(msg string, keysAndValues []interface{}) (string, []interface{}) -} - -// SetLogFilter installs a filter that is used for all log calls. -// -// Modifying the filter is not thread-safe and should be done while no other -// goroutines invoke log calls, usually during program initialization. -func SetLogFilter(filter LogFilter) { - logging.filter = filter -} diff --git a/vendor/k8s.io/klog/v2/klog_file.go b/vendor/k8s.io/klog/v2/klog_file.go deleted file mode 100644 index 8bee162..0000000 --- a/vendor/k8s.io/klog/v2/klog_file.go +++ /dev/null @@ -1,130 +0,0 @@ -// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/ -// -// Copyright 2013 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// File I/O for logs. - -package klog - -import ( - "errors" - "fmt" - "os" - "path/filepath" - "strings" - "sync" - "time" -) - -// MaxSize is the maximum size of a log file in bytes. -var MaxSize uint64 = 1024 * 1024 * 1800 - -// logDirs lists the candidate directories for new log files. -var logDirs []string - -func createLogDirs() { - if logging.logDir != "" { - logDirs = append(logDirs, logging.logDir) - } - logDirs = append(logDirs, os.TempDir()) -} - -var ( - pid = os.Getpid() - program = filepath.Base(os.Args[0]) - host = "unknownhost" - userName = "unknownuser" - userNameOnce sync.Once -) - -func init() { - if h, err := os.Hostname(); err == nil { - host = shortHostname(h) - } -} - -// shortHostname returns its argument, truncating at the first period. -// For instance, given "www.google.com" it returns "www". -func shortHostname(hostname string) string { - if i := strings.Index(hostname, "."); i >= 0 { - return hostname[:i] - } - return hostname -} - -// logName returns a new log file name containing tag, with start time t, and -// the name for the symlink for tag. -func logName(tag string, t time.Time) (name, link string) { - name = fmt.Sprintf("%s.%s.%s.log.%s.%04d%02d%02d-%02d%02d%02d.%d", - program, - host, - getUserName(), - tag, - t.Year(), - t.Month(), - t.Day(), - t.Hour(), - t.Minute(), - t.Second(), - pid) - return name, program + "." + tag -} - -var onceLogDirs sync.Once - -// create creates a new log file and returns the file and its filename, which -// contains tag ("INFO", "FATAL", etc.) and t. If the file is created -// successfully, create also attempts to update the symlink for that tag, ignoring -// errors. -// The startup argument indicates whether this is the initial startup of klog. -// If startup is true, existing files are opened for appending instead of truncated. -func create(tag string, t time.Time, startup bool) (f *os.File, filename string, err error) { - if logging.logFile != "" { - f, err := openOrCreate(logging.logFile, startup) - if err == nil { - return f, logging.logFile, nil - } - return nil, "", fmt.Errorf("log: unable to create log: %v", err) - } - onceLogDirs.Do(createLogDirs) - if len(logDirs) == 0 { - return nil, "", errors.New("log: no log dirs") - } - name, link := logName(tag, t) - var lastErr error - for _, dir := range logDirs { - fname := filepath.Join(dir, name) - f, err := openOrCreate(fname, startup) - if err == nil { - symlink := filepath.Join(dir, link) - _ = os.Remove(symlink) // ignore err - _ = os.Symlink(name, symlink) // ignore err - return f, fname, nil - } - lastErr = err - } - return nil, "", fmt.Errorf("log: cannot create log: %v", lastErr) -} - -// The startup argument indicates whether this is the initial startup of klog. -// If startup is true, existing files are opened for appending instead of truncated. -func openOrCreate(name string, startup bool) (*os.File, error) { - if startup { - f, err := os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) - return f, err - } - f, err := os.Create(name) - return f, err -} diff --git a/vendor/k8s.io/klog/v2/klog_file_others.go b/vendor/k8s.io/klog/v2/klog_file_others.go deleted file mode 100644 index aa46726..0000000 --- a/vendor/k8s.io/klog/v2/klog_file_others.go +++ /dev/null @@ -1,19 +0,0 @@ -//go:build !windows -// +build !windows - -package klog - -import ( - "os/user" -) - -func getUserName() string { - userNameOnce.Do(func() { - current, err := user.Current() - if err == nil { - userName = current.Username - } - }) - - return userName -} diff --git a/vendor/k8s.io/klog/v2/klog_file_windows.go b/vendor/k8s.io/klog/v2/klog_file_windows.go deleted file mode 100644 index 2517f9c..0000000 --- a/vendor/k8s.io/klog/v2/klog_file_windows.go +++ /dev/null @@ -1,34 +0,0 @@ -//go:build windows -// +build windows - -package klog - -import ( - "os" - "strings" -) - -func getUserName() string { - userNameOnce.Do(func() { - // On Windows, the Go 'user' package requires netapi32.dll. - // This affects Windows Nano Server: - // https://github.com/golang/go/issues/21867 - // Fallback to using environment variables. - u := os.Getenv("USERNAME") - if len(u) == 0 { - return - } - // Sanitize the USERNAME since it may contain filepath separators. - u = strings.Replace(u, `\`, "_", -1) - - // user.Current().Username normally produces something like 'USERDOMAIN\USERNAME' - d := os.Getenv("USERDOMAIN") - if len(d) != 0 { - userName = d + "_" + u - } else { - userName = u - } - }) - - return userName -} diff --git a/vendor/k8s.io/klog/v2/klogr.go b/vendor/k8s.io/klog/v2/klogr.go deleted file mode 100644 index efec96f..0000000 --- a/vendor/k8s.io/klog/v2/klogr.go +++ /dev/null @@ -1,105 +0,0 @@ -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "github.com/go-logr/logr" - - "k8s.io/klog/v2/internal/serialize" -) - -const ( - // nameKey is used to log the `WithName` values as an additional attribute. - nameKey = "logger" -) - -// NewKlogr returns a logger that is functionally identical to -// klogr.NewWithOptions(klogr.FormatKlog), i.e. it passes through to klog. The -// difference is that it uses a simpler implementation. -func NewKlogr() Logger { - return New(&klogger{}) -} - -// klogger is a subset of klogr/klogr.go. It had to be copied to break an -// import cycle (klogr wants to use klog, and klog wants to use klogr). -type klogger struct { - callDepth int - - // hasPrefix is true if the first entry in values is the special - // nameKey key/value. Such an entry gets added and later updated in - // WithName. - hasPrefix bool - - values []interface{} - groups string -} - -func (l *klogger) Init(info logr.RuntimeInfo) { - l.callDepth += info.CallDepth -} - -func (l *klogger) Info(level int, msg string, kvList ...interface{}) { - merged := serialize.MergeKVs(l.values, kvList) - // Skip this function. - VDepth(l.callDepth+1, Level(level)).InfoSDepth(l.callDepth+1, msg, merged...) -} - -func (l *klogger) Enabled(level int) bool { - return VDepth(l.callDepth+1, Level(level)).Enabled() -} - -func (l *klogger) Error(err error, msg string, kvList ...interface{}) { - merged := serialize.MergeKVs(l.values, kvList) - ErrorSDepth(l.callDepth+1, err, msg, merged...) -} - -// WithName returns a new logr.Logger with the specified name appended. klogr -// uses '.' characters to separate name elements. Callers should not pass '.' -// in the provided name string, but this library does not actually enforce that. -func (l klogger) WithName(name string) logr.LogSink { - if l.hasPrefix { - // Copy slice and modify value. No length checks and type - // assertions are needed because hasPrefix is only true if the - // first two elements exist and are key/value strings. - v := make([]interface{}, 0, len(l.values)) - v = append(v, l.values...) - prefix, _ := v[1].(string) - v[1] = prefix + "." + name - l.values = v - } else { - // Preprend new key/value pair. - v := make([]interface{}, 0, 2+len(l.values)) - v = append(v, nameKey, name) - v = append(v, l.values...) - l.values = v - l.hasPrefix = true - } - return &l -} - -func (l klogger) WithValues(kvList ...interface{}) logr.LogSink { - l.values = serialize.WithValues(l.values, kvList) - return &l -} - -func (l klogger) WithCallDepth(depth int) logr.LogSink { - l.callDepth += depth - return &l -} - -var _ logr.LogSink = &klogger{} -var _ logr.CallDepthLogSink = &klogger{} diff --git a/vendor/k8s.io/klog/v2/klogr_slog.go b/vendor/k8s.io/klog/v2/klogr_slog.go deleted file mode 100644 index c77d7ba..0000000 --- a/vendor/k8s.io/klog/v2/klogr_slog.go +++ /dev/null @@ -1,96 +0,0 @@ -//go:build go1.21 -// +build go1.21 - -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -import ( - "context" - "log/slog" - "strconv" - "time" - - "github.com/go-logr/logr" - - "k8s.io/klog/v2/internal/buffer" - "k8s.io/klog/v2/internal/serialize" - "k8s.io/klog/v2/internal/severity" - "k8s.io/klog/v2/internal/sloghandler" -) - -func (l *klogger) Handle(ctx context.Context, record slog.Record) error { - if logging.logger != nil { - if slogSink, ok := logging.logger.GetSink().(logr.SlogSink); ok { - // Let that logger do the work. - return slogSink.Handle(ctx, record) - } - } - - return sloghandler.Handle(ctx, record, l.groups, slogOutput) -} - -// slogOutput corresponds to several different functions in klog.go. -// It goes through some of the same checks and formatting steps before -// it ultimately converges by calling logging.printWithInfos. -func slogOutput(file string, line int, now time.Time, err error, s severity.Severity, msg string, kvList []interface{}) { - // See infoS. - if logging.logger != nil { - // Taking this path happens when klog has a logger installed - // as backend which doesn't support slog. Not good, we have to - // guess about the call depth and drop the actual location. - logger := logging.logger.WithCallDepth(2) - if s > severity.ErrorLog { - logger.Error(err, msg, kvList...) - } else { - logger.Info(msg, kvList...) - } - return - } - - // See printS. - b := buffer.GetBuffer() - b.WriteString(strconv.Quote(msg)) - if err != nil { - serialize.KVListFormat(&b.Buffer, "err", err) - } - serialize.KVListFormat(&b.Buffer, kvList...) - - // See print + header. - buf := logging.formatHeader(s, file, line, now) - logging.printWithInfos(buf, file, line, s, nil, nil, 0, &b.Buffer) - - buffer.PutBuffer(b) -} - -func (l *klogger) WithAttrs(attrs []slog.Attr) logr.SlogSink { - clone := *l - clone.values = serialize.WithValues(l.values, sloghandler.Attrs2KVList(l.groups, attrs)) - return &clone -} - -func (l *klogger) WithGroup(name string) logr.SlogSink { - clone := *l - if clone.groups != "" { - clone.groups += "." + name - } else { - clone.groups = name - } - return &clone -} - -var _ logr.SlogSink = &klogger{} diff --git a/vendor/k8s.io/klog/v2/safeptr.go b/vendor/k8s.io/klog/v2/safeptr.go deleted file mode 100644 index bbe24c2..0000000 --- a/vendor/k8s.io/klog/v2/safeptr.go +++ /dev/null @@ -1,34 +0,0 @@ -//go:build go1.18 -// +build go1.18 - -/* -Copyright 2023 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package klog - -// SafePtr is a function that takes a pointer of any type (T) as an argument. -// If the provided pointer is not nil, it returns the same pointer. If it is nil, it returns nil instead. -// -// This function is particularly useful to prevent nil pointer dereferencing when: -// -// - The type implements interfaces that are called by the logger, such as `fmt.Stringer`. -// - And these interface implementations do not perform nil checks themselves. -func SafePtr[T any](p *T) any { - if p == nil { - return nil - } - return p -} diff --git a/vendor/k8s.io/mount-utils/LICENSE b/vendor/k8s.io/mount-utils/LICENSE deleted file mode 100644 index 8dada3e..0000000 --- a/vendor/k8s.io/mount-utils/LICENSE +++ /dev/null @@ -1,201 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. 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If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - APPENDIX: How to apply the Apache License to your work. - - To apply the Apache License to your work, attach the following - boilerplate notice, with the fields enclosed by brackets "{}" - replaced with your own identifying information. (Don't include - the brackets!) The text should be enclosed in the appropriate - comment syntax for the file format. We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright {yyyy} {name of copyright owner} - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/k8s.io/mount-utils/OWNERS b/vendor/k8s.io/mount-utils/OWNERS deleted file mode 100644 index 64fb63c..0000000 --- a/vendor/k8s.io/mount-utils/OWNERS +++ /dev/null @@ -1,15 +0,0 @@ -# See the OWNERS docs at https://go.k8s.io/owners - -reviewers: - - jingxu97 - - saad-ali - - jsafrane - - msau42 - - andyzhangx - - gnufied -approvers: - - jingxu97 - - saad-ali - - jsafrane -labels: - - sig/storage diff --git a/vendor/k8s.io/mount-utils/README.md b/vendor/k8s.io/mount-utils/README.md deleted file mode 100644 index ee7c8e8..0000000 --- a/vendor/k8s.io/mount-utils/README.md +++ /dev/null @@ -1,31 +0,0 @@ -## Purpose - -This repository defines an interface to mounting filesystems to be consumed by -various Kubernetes and out-of-tree CSI components. - -Consumers of this repository can make use of functions like 'Mount' to mount -source to target as fstype with given options, 'Unmount' to unmount a target. -Other useful functions include 'List' all mounted file systems and find all -mount references to a path using 'GetMountRefs' - -## Community, discussion, contribution, and support - -Learn how to engage with the Kubernetes community on the [community -page](http://kubernetes.io/community/). - -You can reach the maintainers of this repository at: - -- Slack: #sig-storage (on https://kubernetes.slack.com -- get an - invite at slack.kubernetes.io) -- Mailing List: - https://groups.google.com/forum/#!forum/kubernetes-sig-storage - -### Code of Conduct - -Participation in the Kubernetes community is governed by the [Kubernetes -Code of Conduct](code-of-conduct.md). - -### Contibution Guidelines - -See [CONTRIBUTING.md](CONTRIBUTING.md) for more information. - diff --git a/vendor/k8s.io/mount-utils/SECURITY_CONTACTS b/vendor/k8s.io/mount-utils/SECURITY_CONTACTS deleted file mode 100644 index 14fe23e..0000000 --- a/vendor/k8s.io/mount-utils/SECURITY_CONTACTS +++ /dev/null @@ -1,18 +0,0 @@ -# Defined below are the security contacts for this repo. -# -# They are the contact point for the Product Security Committee to reach out -# to for triaging and handling of incoming issues. -# -# The below names agree to abide by the -# [Embargo Policy](https://git.k8s.io/security/private-distributors-list.md#embargo-policy) -# and will be removed and replaced if they violate that agreement. -# -# DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE -# INSTRUCTIONS AT https://kubernetes.io/security/ - -saad-ali -cjcullen -joelsmith -liggitt -philips -tallclair diff --git a/vendor/k8s.io/mount-utils/code-of-conduct.md b/vendor/k8s.io/mount-utils/code-of-conduct.md deleted file mode 100644 index 0d15c00..0000000 --- a/vendor/k8s.io/mount-utils/code-of-conduct.md +++ /dev/null @@ -1,3 +0,0 @@ -# Kubernetes Community Code of Conduct - -Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md) diff --git a/vendor/k8s.io/mount-utils/doc.go b/vendor/k8s.io/mount-utils/doc.go deleted file mode 100644 index b7cac03..0000000 --- a/vendor/k8s.io/mount-utils/doc.go +++ /dev/null @@ -1,18 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -// Package mount defines an interface to mounting filesystems. -package mount // import "k8s.io/mount-utils" diff --git a/vendor/k8s.io/mount-utils/fake_mounter.go b/vendor/k8s.io/mount-utils/fake_mounter.go deleted file mode 100644 index 0844284..0000000 --- a/vendor/k8s.io/mount-utils/fake_mounter.go +++ /dev/null @@ -1,242 +0,0 @@ -/* -Copyright 2015 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "os" - "path/filepath" - "sync" - - "k8s.io/klog/v2" -) - -// FakeMounter implements mount.Interface for tests. -type FakeMounter struct { - MountPoints []MountPoint - log []FakeAction - // Error to return for a path when calling IsLikelyNotMountPoint - MountCheckErrors map[string]error - // Some tests run things in parallel, make sure the mounter does not produce - // any golang's DATA RACE warnings. - mutex sync.Mutex - UnmountFunc UnmountFunc - skipMountPointCheck bool -} - -// UnmountFunc is a function callback to be executed during the Unmount() call. -type UnmountFunc func(path string) error - -var _ Interface = &FakeMounter{} - -const ( - // FakeActionMount is the string for specifying mount as FakeAction.Action - FakeActionMount = "mount" - // FakeActionUnmount is the string for specifying unmount as FakeAction.Action - FakeActionUnmount = "unmount" -) - -// FakeAction objects are logged every time a fake mount or unmount is called. -type FakeAction struct { - Action string // "mount" or "unmount" - Target string // applies to both mount and unmount actions - Source string // applies only to "mount" actions - FSType string // applies only to "mount" actions -} - -// NewFakeMounter returns a FakeMounter struct that implements Interface and is -// suitable for testing purposes. -func NewFakeMounter(mps []MountPoint) *FakeMounter { - return &FakeMounter{ - MountPoints: mps, - } -} - -func (f *FakeMounter) WithSkipMountPointCheck() *FakeMounter { - f.skipMountPointCheck = true - return f -} - -// ResetLog clears all the log entries in FakeMounter -func (f *FakeMounter) ResetLog() { - f.mutex.Lock() - defer f.mutex.Unlock() - - f.log = []FakeAction{} -} - -// GetLog returns the slice of FakeActions taken by the mounter -func (f *FakeMounter) GetLog() []FakeAction { - f.mutex.Lock() - defer f.mutex.Unlock() - - return f.log -} - -// Mount records the mount event and updates the in-memory mount points for FakeMounter -func (f *FakeMounter) Mount(source string, target string, fstype string, options []string) error { - return f.MountSensitive(source, target, fstype, options, nil /* sensitiveOptions */) -} - -// Mount records the mount event and updates the in-memory mount points for FakeMounter -// sensitiveOptions to be passed in a separate parameter from the normal -// mount options and ensures the sensitiveOptions are never logged. This -// method should be used by callers that pass sensitive material (like -// passwords) as mount options. -func (f *FakeMounter) MountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - f.mutex.Lock() - defer f.mutex.Unlock() - - opts := []string{} - - for _, option := range options { - // find 'bind' option - if option == "bind" { - // This is a bind-mount. In order to mimic linux behaviour, we must - // use the original device of the bind-mount as the real source. - // E.g. when mounted /dev/sda like this: - // $ mount /dev/sda /mnt/test - // $ mount -o bind /mnt/test /mnt/bound - // then /proc/mount contains: - // /dev/sda /mnt/test - // /dev/sda /mnt/bound - // (and not /mnt/test /mnt/bound) - // I.e. we must use /dev/sda as source instead of /mnt/test in the - // bind mount. - for _, mnt := range f.MountPoints { - if source == mnt.Path { - source = mnt.Device - break - } - } - } - // reuse MountPoint.Opts field to mark mount as readonly - opts = append(opts, option) - } - - // If target is a symlink, get its absolute path - absTarget, err := filepath.EvalSymlinks(target) - if err != nil { - absTarget = target - } - f.MountPoints = append(f.MountPoints, MountPoint{Device: source, Path: absTarget, Type: fstype, Opts: append(opts, sensitiveOptions...)}) - klog.V(5).Infof("Fake mounter: mounted %s to %s", source, absTarget) - f.log = append(f.log, FakeAction{Action: FakeActionMount, Target: absTarget, Source: source, FSType: fstype}) - return nil -} - -func (f *FakeMounter) MountSensitiveWithoutSystemd(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return f.MountSensitive(source, target, fstype, options, nil /* sensitiveOptions */) -} - -func (f *FakeMounter) MountSensitiveWithoutSystemdWithMountFlags(source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string) error { - return f.MountSensitive(source, target, fstype, options, nil /* sensitiveOptions */) -} - -// Unmount records the unmount event and updates the in-memory mount points for FakeMounter -func (f *FakeMounter) Unmount(target string) error { - f.mutex.Lock() - defer f.mutex.Unlock() - - // If target is a symlink, get its absolute path - absTarget, err := filepath.EvalSymlinks(target) - if err != nil { - absTarget = target - } - - newMountpoints := []MountPoint{} - for _, mp := range f.MountPoints { - if mp.Path == absTarget { - if f.UnmountFunc != nil { - err := f.UnmountFunc(absTarget) - if err != nil { - return err - } - } - klog.V(5).Infof("Fake mounter: unmounted %s from %s", mp.Device, absTarget) - // Don't copy it to newMountpoints - continue - } - newMountpoints = append(newMountpoints, MountPoint{Device: mp.Device, Path: mp.Path, Type: mp.Type}) - } - f.MountPoints = newMountpoints - f.log = append(f.log, FakeAction{Action: FakeActionUnmount, Target: absTarget}) - delete(f.MountCheckErrors, target) - return nil -} - -// List returns all the in-memory mountpoints for FakeMounter -func (f *FakeMounter) List() ([]MountPoint, error) { - f.mutex.Lock() - defer f.mutex.Unlock() - - return f.MountPoints, nil -} - -// IsLikelyNotMountPoint determines whether a path is a mountpoint by checking -// if the absolute path to file is in the in-memory mountpoints -func (f *FakeMounter) IsLikelyNotMountPoint(file string) (bool, error) { - f.mutex.Lock() - defer f.mutex.Unlock() - - err := f.MountCheckErrors[file] - if err != nil { - return false, err - } - - _, err = os.Stat(file) - if err != nil { - return true, err - } - - // If file is a symlink, get its absolute path - absFile, err := filepath.EvalSymlinks(file) - if err != nil { - absFile = file - } - - for _, mp := range f.MountPoints { - if mp.Path == absFile { - klog.V(5).Infof("isLikelyNotMountPoint for %s: mounted %s, false", file, mp.Path) - return false, nil - } - } - klog.V(5).Infof("isLikelyNotMountPoint for %s: true", file) - return true, nil -} - -func (f *FakeMounter) CanSafelySkipMountPointCheck() bool { - return f.skipMountPointCheck -} - -func (f *FakeMounter) IsMountPoint(file string) (bool, error) { - notMnt, err := f.IsLikelyNotMountPoint(file) - if err != nil { - return false, err - } - return !notMnt, nil -} - -// GetMountRefs finds all mount references to the path, returns a -// list of paths. -func (f *FakeMounter) GetMountRefs(pathname string) ([]string, error) { - realpath, err := filepath.EvalSymlinks(pathname) - if err != nil { - // Ignore error in FakeMounter, because we actually didn't create files. - realpath = pathname - } - return getMountRefsByDev(f, realpath) -} diff --git a/vendor/k8s.io/mount-utils/mount.go b/vendor/k8s.io/mount-utils/mount.go deleted file mode 100644 index 0bd91ee..0000000 --- a/vendor/k8s.io/mount-utils/mount.go +++ /dev/null @@ -1,401 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -// TODO(thockin): This whole pkg is pretty linux-centric. As soon as we have -// an alternate platform, we will need to abstract further. - -package mount - -import ( - "fmt" - "path/filepath" - "strings" - "time" - - utilexec "k8s.io/utils/exec" -) - -const ( - // Default mount command if mounter path is not specified. - defaultMountCommand = "mount" - // Log message where sensitive mount options were removed - sensitiveOptionsRemoved = "" -) - -// Interface defines the set of methods to allow for mount operations on a system. -type Interface interface { - // Mount mounts source to target as fstype with given options. - // options MUST not contain sensitive material (like passwords). - Mount(source string, target string, fstype string, options []string) error - // MountSensitive is the same as Mount() but this method allows - // sensitiveOptions to be passed in a separate parameter from the normal - // mount options and ensures the sensitiveOptions are never logged. This - // method should be used by callers that pass sensitive material (like - // passwords) as mount options. - MountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error - // MountSensitiveWithoutSystemd is the same as MountSensitive() but this method disable using systemd mount. - MountSensitiveWithoutSystemd(source string, target string, fstype string, options []string, sensitiveOptions []string) error - // MountSensitiveWithoutSystemdWithMountFlags is the same as MountSensitiveWithoutSystemd() with additional mount flags - MountSensitiveWithoutSystemdWithMountFlags(source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string) error - // Unmount unmounts given target. - Unmount(target string) error - // List returns a list of all mounted filesystems. This can be large. - // On some platforms, reading mounts directly from the OS is not guaranteed - // consistent (i.e. it could change between chunked reads). This is guaranteed - // to be consistent. - List() ([]MountPoint, error) - // IsLikelyNotMountPoint uses heuristics to determine if a directory - // is not a mountpoint. - // It should return ErrNotExist when the directory does not exist. - // IsLikelyNotMountPoint does NOT properly detect all mountpoint types - // most notably linux bind mounts and symbolic link. For callers that do not - // care about such situations, this is a faster alternative to calling List() - // and scanning that output. - IsLikelyNotMountPoint(file string) (bool, error) - // CanSafelySkipMountPointCheck indicates whether this mounter returns errors on - // operations for targets that are not mount points. If this returns true, no such - // errors will be returned. - CanSafelySkipMountPointCheck() bool - // IsMountPoint determines if a directory is a mountpoint. - // It should return ErrNotExist when the directory does not exist. - // IsMountPoint is more expensive than IsLikelyNotMountPoint. - // IsMountPoint detects bind mounts in linux. - // IsMountPoint may enumerate all the mountpoints using List() and - // the list of mountpoints may be large, then it uses - // isMountPointMatch to evaluate whether the directory is a mountpoint. - IsMountPoint(file string) (bool, error) - // GetMountRefs finds all mount references to pathname, returning a slice of - // paths. Pathname can be a mountpoint path or a normal directory - // (for bind mount). On Linux, pathname is excluded from the slice. - // For example, if /dev/sdc was mounted at /path/a and /path/b, - // GetMountRefs("/path/a") would return ["/path/b"] - // GetMountRefs("/path/b") would return ["/path/a"] - // On Windows there is no way to query all mount points; as long as pathname is - // a valid mount, it will be returned. - GetMountRefs(pathname string) ([]string, error) -} - -// Compile-time check to ensure all Mounter implementations satisfy -// the mount interface. -var _ Interface = &Mounter{} - -type MounterForceUnmounter interface { - Interface - // UnmountWithForce unmounts given target but will retry unmounting with force option - // after given timeout. - UnmountWithForce(target string, umountTimeout time.Duration) error -} - -// MountPoint represents a single line in /proc/mounts or /etc/fstab. -type MountPoint struct { // nolint: golint - Device string - Path string - Type string - Opts []string // Opts may contain sensitive mount options (like passwords) and MUST be treated as such (e.g. not logged). - Freq int - Pass int -} - -type MountErrorType string // nolint: golint - -const ( - FilesystemMismatch MountErrorType = "FilesystemMismatch" - HasFilesystemErrors MountErrorType = "HasFilesystemErrors" - UnformattedReadOnly MountErrorType = "UnformattedReadOnly" - FormatFailed MountErrorType = "FormatFailed" - GetDiskFormatFailed MountErrorType = "GetDiskFormatFailed" - UnknownMountError MountErrorType = "UnknownMountError" -) - -type MountError struct { // nolint: golint - Type MountErrorType - Message string -} - -func (mountError MountError) String() string { - return mountError.Message -} - -func (mountError MountError) Error() string { - return mountError.Message -} - -func NewMountError(mountErrorValue MountErrorType, format string, args ...interface{}) error { - mountError := MountError{ - Type: mountErrorValue, - Message: fmt.Sprintf(format, args...), - } - return mountError -} - -// SafeFormatAndMount probes a device to see if it is formatted. -// Namely it checks to see if a file system is present. If so it -// mounts it otherwise the device is formatted first then mounted. -type SafeFormatAndMount struct { - Interface - Exec utilexec.Interface - - formatSem chan any - formatTimeout time.Duration -} - -func NewSafeFormatAndMount(mounter Interface, exec utilexec.Interface, opts ...Option) *SafeFormatAndMount { - res := &SafeFormatAndMount{ - Interface: mounter, - Exec: exec, - } - for _, opt := range opts { - opt(res) - } - return res -} - -type Option func(*SafeFormatAndMount) - -// WithMaxConcurrentFormat sets the maximum number of concurrent format -// operations executed by the mounter. The timeout controls the maximum -// duration of a format operation before its concurrency token is released. -// Once a token is released, it can be acquired by another concurrent format -// operation. The original operation is allowed to complete. -// If n < 1, concurrency is set to unlimited. -func WithMaxConcurrentFormat(n int, timeout time.Duration) Option { - return func(mounter *SafeFormatAndMount) { - if n > 0 { - mounter.formatSem = make(chan any, n) - mounter.formatTimeout = timeout - } - } -} - -// FormatAndMount formats the given disk, if needed, and mounts it. -// That is if the disk is not formatted and it is not being mounted as -// read-only it will format it first then mount it. Otherwise, if the -// disk is already formatted or it is being mounted as read-only, it -// will be mounted without formatting. -// options MUST not contain sensitive material (like passwords). -func (mounter *SafeFormatAndMount) FormatAndMount(source string, target string, fstype string, options []string) error { - return mounter.FormatAndMountSensitive(source, target, fstype, options, nil /* sensitiveOptions */) -} - -// FormatAndMountSensitive is the same as FormatAndMount but this method allows -// sensitiveOptions to be passed in a separate parameter from the normal mount -// options and ensures the sensitiveOptions are never logged. This method should -// be used by callers that pass sensitive material (like passwords) as mount -// options. -func (mounter *SafeFormatAndMount) FormatAndMountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return mounter.FormatAndMountSensitiveWithFormatOptions(source, target, fstype, options, sensitiveOptions, nil /* formatOptions */) -} - -// FormatAndMountSensitiveWithFormatOptions behaves exactly the same as -// FormatAndMountSensitive, but allows for options to be passed when the disk -// is formatted. These options are NOT validated in any way and should never -// come directly from untrusted user input as that would be an injection risk. -func (mounter *SafeFormatAndMount) FormatAndMountSensitiveWithFormatOptions(source string, target string, fstype string, options []string, sensitiveOptions []string, formatOptions []string) error { - return mounter.formatAndMountSensitive(source, target, fstype, options, sensitiveOptions, formatOptions) -} - -// getMountRefsByDev finds all references to the device provided -// by mountPath; returns a list of paths. -// Note that mountPath should be path after the evaluation of any symblolic links. -func getMountRefsByDev(mounter Interface, mountPath string) ([]string, error) { - mps, err := mounter.List() - if err != nil { - return nil, err - } - - // Finding the device mounted to mountPath. - diskDev := "" - for i := range mps { - if mountPath == mps[i].Path { - diskDev = mps[i].Device - break - } - } - - // Find all references to the device. - var refs []string - for i := range mps { - if mps[i].Device == diskDev || mps[i].Device == mountPath { - if mps[i].Path != mountPath { - refs = append(refs, mps[i].Path) - } - } - } - return refs, nil -} - -// IsNotMountPoint determines if a directory is a mountpoint. -// It should return ErrNotExist when the directory does not exist. -// IsNotMountPoint is more expensive than IsLikelyNotMountPoint -// and depends on IsMountPoint. -// -// If an error occurs, it returns true (assuming it is not a mountpoint) -// when ErrNotExist is returned for callers similar to IsLikelyNotMountPoint. -// -// Deprecated: This function is kept to keep changes backward compatible with -// previous library version. Callers should prefer mounter.IsMountPoint. -func IsNotMountPoint(mounter Interface, file string) (bool, error) { - isMnt, err := mounter.IsMountPoint(file) - if err != nil { - return true, err - } - return !isMnt, nil -} - -// GetDeviceNameFromMount given a mnt point, find the device from /proc/mounts -// returns the device name, reference count, and error code. -func GetDeviceNameFromMount(mounter Interface, mountPath string) (string, int, error) { - mps, err := mounter.List() - if err != nil { - return "", 0, err - } - - // Find the device name. - // FIXME if multiple devices mounted on the same mount path, only the first one is returned. - device := "" - // If mountPath is symlink, need get its target path. - slTarget, err := filepath.EvalSymlinks(mountPath) - if err != nil { - slTarget = mountPath - } - for i := range mps { - if mps[i].Path == slTarget { - device = mps[i].Device - break - } - } - - // Find all references to the device. - refCount := 0 - for i := range mps { - if mps[i].Device == device { - refCount++ - } - } - return device, refCount, nil -} - -// MakeBindOpts detects whether a bind mount is being requested and makes the remount options to -// use in case of bind mount, due to the fact that bind mount doesn't respect mount options. -// The list equals: -// -// options - 'bind' + 'remount' (no duplicate) -func MakeBindOpts(options []string) (bool, []string, []string) { - bind, bindOpts, bindRemountOpts, _ := MakeBindOptsSensitive(options, nil /* sensitiveOptions */) - return bind, bindOpts, bindRemountOpts -} - -// MakeBindOptsSensitive is the same as MakeBindOpts but this method allows -// sensitiveOptions to be passed in a separate parameter from the normal mount -// options and ensures the sensitiveOptions are never logged. This method should -// be used by callers that pass sensitive material (like passwords) as mount -// options. -func MakeBindOptsSensitive(options []string, sensitiveOptions []string) (bool, []string, []string, []string) { - // Because we have an FD opened on the subpath bind mount, the "bind" option - // needs to be included, otherwise the mount target will error as busy if you - // remount as readonly. - // - // As a consequence, all read only bind mounts will no longer change the underlying - // volume mount to be read only. - bindRemountOpts := []string{"bind", "remount"} - bindRemountSensitiveOpts := []string{} - bind := false - bindOpts := []string{"bind"} - - // _netdev is a userspace mount option and does not automatically get added when - // bind mount is created and hence we must carry it over. - if checkForNetDev(options, sensitiveOptions) { - bindOpts = append(bindOpts, "_netdev") - } - - for _, option := range options { - switch option { - case "bind": - bind = true - case "remount": - default: - bindRemountOpts = append(bindRemountOpts, option) - } - } - - for _, sensitiveOption := range sensitiveOptions { - switch sensitiveOption { - case "bind": - bind = true - case "remount": - default: - bindRemountSensitiveOpts = append(bindRemountSensitiveOpts, sensitiveOption) - } - } - - return bind, bindOpts, bindRemountOpts, bindRemountSensitiveOpts -} - -func checkForNetDev(options []string, sensitiveOptions []string) bool { - for _, option := range options { - if option == "_netdev" { - return true - } - } - for _, sensitiveOption := range sensitiveOptions { - if sensitiveOption == "_netdev" { - return true - } - } - return false -} - -// PathWithinBase checks if give path is within given base directory. -func PathWithinBase(fullPath, basePath string) bool { - rel, err := filepath.Rel(basePath, fullPath) - if err != nil { - return false - } - if StartsWithBackstep(rel) { - // Needed to escape the base path. - return false - } - return true -} - -// StartsWithBackstep checks if the given path starts with a backstep segment. -func StartsWithBackstep(rel string) bool { - // normalize to / and check for ../ - return rel == ".." || strings.HasPrefix(filepath.ToSlash(rel), "../") -} - -// sanitizedOptionsForLogging will return a comma separated string containing -// options and sensitiveOptions. Each entry in sensitiveOptions will be -// replaced with the string sensitiveOptionsRemoved -// e.g. o1,o2,, -func sanitizedOptionsForLogging(options []string, sensitiveOptions []string) string { - separator := "" - if len(options) > 0 && len(sensitiveOptions) > 0 { - separator = "," - } - - sensitiveOptionsStart := "" - sensitiveOptionsEnd := "" - if len(sensitiveOptions) > 0 { - sensitiveOptionsStart = strings.Repeat(sensitiveOptionsRemoved+",", len(sensitiveOptions)-1) - sensitiveOptionsEnd = sensitiveOptionsRemoved - } - - return strings.Join(options, ",") + - separator + - sensitiveOptionsStart + - sensitiveOptionsEnd -} diff --git a/vendor/k8s.io/mount-utils/mount_helper_common.go b/vendor/k8s.io/mount-utils/mount_helper_common.go deleted file mode 100644 index fc7bbc1..0000000 --- a/vendor/k8s.io/mount-utils/mount_helper_common.go +++ /dev/null @@ -1,157 +0,0 @@ -/* -Copyright 2018 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "fmt" - "os" - "time" - - "k8s.io/klog/v2" -) - -// CleanupMountPoint unmounts the given path and deletes the remaining directory -// if successful. If extensiveMountPointCheck is true IsNotMountPoint will be -// called instead of IsLikelyNotMountPoint. IsNotMountPoint is more expensive -// but properly handles bind mounts within the same fs. -func CleanupMountPoint(mountPath string, mounter Interface, extensiveMountPointCheck bool) error { - pathExists, pathErr := PathExists(mountPath) - if !pathExists && pathErr == nil { - klog.Warningf("Warning: mount cleanup skipped because path does not exist: %v", mountPath) - return nil - } - corruptedMnt := IsCorruptedMnt(pathErr) - if pathErr != nil && !corruptedMnt { - return fmt.Errorf("Error checking path: %v", pathErr) - } - return doCleanupMountPoint(mountPath, mounter, extensiveMountPointCheck, corruptedMnt) -} - -func CleanupMountWithForce(mountPath string, mounter MounterForceUnmounter, extensiveMountPointCheck bool, umountTimeout time.Duration) error { - pathExists, pathErr := PathExists(mountPath) - if !pathExists && pathErr == nil { - klog.Warningf("Warning: mount cleanup skipped because path does not exist: %v", mountPath) - return nil - } - corruptedMnt := IsCorruptedMnt(pathErr) - if pathErr != nil && !corruptedMnt { - return fmt.Errorf("Error checking path: %v", pathErr) - } - - if corruptedMnt || mounter.CanSafelySkipMountPointCheck() { - klog.V(4).Infof("unmounting %q (corruptedMount: %t, mounterCanSkipMountPointChecks: %t)", - mountPath, corruptedMnt, mounter.CanSafelySkipMountPointCheck()) - if err := mounter.UnmountWithForce(mountPath, umountTimeout); err != nil { - return err - } - return removePath(mountPath) - } - - notMnt, err := removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck) - // if mountPath is not a mount point, it's just been removed or there was an error - if err != nil || notMnt { - return err - } - - klog.V(4).Infof("%q is a mountpoint, unmounting", mountPath) - if err := mounter.UnmountWithForce(mountPath, umountTimeout); err != nil { - return err - } - - notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck) - // if mountPath is not a mount point, it's either just been removed or there was an error - if notMnt { - return err - } - // mountPath is still a mount point - return fmt.Errorf("failed to cleanup mount point %v", mountPath) -} - -// doCleanupMountPoint unmounts the given path and -// deletes the remaining directory if successful. -// if extensiveMountPointCheck is true -// IsNotMountPoint will be called instead of IsLikelyNotMountPoint. -// IsNotMountPoint is more expensive but properly handles bind mounts within the same fs. -// if corruptedMnt is true, it means that the mountPath is a corrupted mountpoint, and the mount point check -// will be skipped. The mount point check will also be skipped if the mounter supports it. -func doCleanupMountPoint(mountPath string, mounter Interface, extensiveMountPointCheck bool, corruptedMnt bool) error { - if corruptedMnt || mounter.CanSafelySkipMountPointCheck() { - klog.V(4).Infof("unmounting %q (corruptedMount: %t, mounterCanSkipMountPointChecks: %t)", - mountPath, corruptedMnt, mounter.CanSafelySkipMountPointCheck()) - if err := mounter.Unmount(mountPath); err != nil { - return err - } - return removePath(mountPath) - } - - notMnt, err := removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck) - // if mountPath is not a mount point, it's just been removed or there was an error - if err != nil || notMnt { - return err - } - - klog.V(4).Infof("%q is a mountpoint, unmounting", mountPath) - if err := mounter.Unmount(mountPath); err != nil { - return err - } - - notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck) - // if mountPath is not a mount point, it's either just been removed or there was an error - if notMnt { - return err - } - // mountPath is still a mount point - return fmt.Errorf("failed to cleanup mount point %v", mountPath) -} - -// removePathIfNotMountPoint verifies if given mountPath is a mount point if not it attempts -// to remove the directory. Returns true and nil if directory was not a mount point and removed. -func removePathIfNotMountPoint(mountPath string, mounter Interface, extensiveMountPointCheck bool) (bool, error) { - var notMnt bool - var err error - - if extensiveMountPointCheck { - notMnt, err = IsNotMountPoint(mounter, mountPath) - } else { - notMnt, err = mounter.IsLikelyNotMountPoint(mountPath) - } - - if err != nil { - if os.IsNotExist(err) { - klog.V(4).Infof("%q does not exist", mountPath) - return true, nil - } - return notMnt, err - } - - if notMnt { - klog.V(4).Infof("%q is not a mountpoint, deleting", mountPath) - return notMnt, os.Remove(mountPath) - } - return notMnt, nil -} - -// removePath attempts to remove the directory. Returns nil if the directory was removed or does not exist. -func removePath(mountPath string) error { - klog.V(4).Infof("Deleting path %q", mountPath) - err := os.Remove(mountPath) - if os.IsNotExist(err) { - klog.V(4).Infof("%q does not exist", mountPath) - return nil - } - return err -} diff --git a/vendor/k8s.io/mount-utils/mount_helper_unix.go b/vendor/k8s.io/mount-utils/mount_helper_unix.go deleted file mode 100644 index 9193e7c..0000000 --- a/vendor/k8s.io/mount-utils/mount_helper_unix.go +++ /dev/null @@ -1,250 +0,0 @@ -//go:build !windows -// +build !windows - -/* -Copyright 2019 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "bytes" - "errors" - "fmt" - "io/fs" - "os" - "strconv" - "strings" - "sync" - "syscall" - - "golang.org/x/sys/unix" - "k8s.io/klog/v2" - utilio "k8s.io/utils/io" -) - -const ( - // At least number of fields per line in /proc//mountinfo. - expectedAtLeastNumFieldsPerMountInfo = 10 - // How many times to retry for a consistent read of /proc/mounts. - maxListTries = 10 -) - -// IsCorruptedMnt return true if err is about corrupted mount point -func IsCorruptedMnt(err error) bool { - if err == nil { - return false - } - var underlyingError error - switch pe := err.(type) { - case nil: - return false - case *os.PathError: - underlyingError = pe.Err - case *os.LinkError: - underlyingError = pe.Err - case *os.SyscallError: - underlyingError = pe.Err - case syscall.Errno: - underlyingError = err - } - - return underlyingError == syscall.ENOTCONN || underlyingError == syscall.ESTALE || underlyingError == syscall.EIO || underlyingError == syscall.EACCES || underlyingError == syscall.EHOSTDOWN || underlyingError == syscall.EWOULDBLOCK -} - -// MountInfo represents a single line in /proc//mountinfo. -type MountInfo struct { // nolint: golint - // Unique ID for the mount (maybe reused after umount). - ID int - // The ID of the parent mount (or of self for the root of this mount namespace's mount tree). - ParentID int - // Major indicates one half of the device ID which identifies the device class - // (parsed from `st_dev` for files on this filesystem). - Major int - // Minor indicates one half of the device ID which identifies a specific - // instance of device (parsed from `st_dev` for files on this filesystem). - Minor int - // The pathname of the directory in the filesystem which forms the root of this mount. - Root string - // Mount source, filesystem-specific information. e.g. device, tmpfs name. - Source string - // Mount point, the pathname of the mount point. - MountPoint string - // Optional fieds, zero or more fields of the form "tag[:value]". - OptionalFields []string - // The filesystem type in the form "type[.subtype]". - FsType string - // Per-mount options. - MountOptions []string - // Per-superblock options. - SuperOptions []string -} - -// ParseMountInfo parses /proc/xxx/mountinfo. -func ParseMountInfo(filename string) ([]MountInfo, error) { - content, err := readMountInfo(filename) - if err != nil { - return []MountInfo{}, err - } - contentStr := string(content) - infos := []MountInfo{} - - for _, line := range strings.Split(contentStr, "\n") { - if line == "" { - // the last split() item is empty string following the last \n - continue - } - // See `man proc` for authoritative description of format of the file. - fields := strings.Fields(line) - if len(fields) < expectedAtLeastNumFieldsPerMountInfo { - return nil, fmt.Errorf("wrong number of fields in (expected at least %d, got %d): %s", expectedAtLeastNumFieldsPerMountInfo, len(fields), line) - } - id, err := strconv.Atoi(fields[0]) - if err != nil { - return nil, err - } - parentID, err := strconv.Atoi(fields[1]) - if err != nil { - return nil, err - } - mm := strings.Split(fields[2], ":") - if len(mm) != 2 { - return nil, fmt.Errorf("parsing '%s' failed: unexpected minor:major pair %s", line, mm) - } - major, err := strconv.Atoi(mm[0]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: unable to parse major device id, err:%v", mm[0], err) - } - minor, err := strconv.Atoi(mm[1]) - if err != nil { - return nil, fmt.Errorf("parsing '%s' failed: unable to parse minor device id, err:%v", mm[1], err) - } - - info := MountInfo{ - ID: id, - ParentID: parentID, - Major: major, - Minor: minor, - Root: fields[3], - MountPoint: fields[4], - MountOptions: splitMountOptions(fields[5]), - } - // All fields until "-" are "optional fields". - i := 6 - for ; i < len(fields) && fields[i] != "-"; i++ { - info.OptionalFields = append(info.OptionalFields, fields[i]) - } - // Parse the rest 3 fields. - i++ - if len(fields)-i < 3 { - return nil, fmt.Errorf("expect 3 fields in %s, got %d", line, len(fields)-i) - } - info.FsType = fields[i] - info.Source = fields[i+1] - info.SuperOptions = splitMountOptions(fields[i+2]) - infos = append(infos, info) - } - return infos, nil -} - -// splitMountOptions parses comma-separated list of mount options into an array. -// It respects double quotes - commas in them are not considered as the option separator. -func splitMountOptions(s string) []string { - inQuotes := false - list := strings.FieldsFunc(s, func(r rune) bool { - if r == '"' { - inQuotes = !inQuotes - } - // Report a new field only when outside of double quotes. - return r == ',' && !inQuotes - }) - return list -} - -// isMountPointMatch returns true if the path in mp is the same as dir. -// Handles case where mountpoint dir has been renamed due to stale NFS mount. -func isMountPointMatch(mp MountPoint, dir string) bool { - return strings.TrimSuffix(mp.Path, "\\040(deleted)") == dir -} - -// PathExists returns true if the specified path exists. -// TODO: clean this up to use pkg/util/file/FileExists -func PathExists(path string) (bool, error) { - _, err := os.Stat(path) - if err == nil { - return true, nil - } else if errors.Is(err, fs.ErrNotExist) { - err = syscall.Access(path, syscall.F_OK) - if err == nil { - // The access syscall says the file exists, the stat syscall says it - // doesn't. This was observed on CIFS when the path was removed at - // the server somehow. POSIX calls this a stale file handle, let's fake - // that error and treat the path as existing but corrupted. - klog.Warningf("Potential stale file handle detected: %s", path) - return true, syscall.ESTALE - } - return false, nil - } else if IsCorruptedMnt(err) { - return true, err - } - return false, err -} - -// These variables are used solely by kernelHasMountinfoBug. -var ( - hasMountinfoBug bool - checkMountinfoBugOnce sync.Once -) - -// kernelHasMountinfoBug checks if the kernel bug that can lead to incomplete -// mountinfo being read is fixed. It does so by checking the kernel version. -// -// The bug was fixed by the kernel commit 9f6c61f96f2d97 (since Linux 5.8). -// Alas, there is no better way to check if the bug is fixed other than to -// rely on the kernel version returned by uname. -func kernelHasMountinfoBug() bool { - checkMountinfoBugOnce.Do(func() { - // Assume old kernel. - hasMountinfoBug = true - - uname := unix.Utsname{} - err := unix.Uname(&uname) - if err != nil { - return - } - - end := bytes.IndexByte(uname.Release[:], 0) - v := bytes.SplitN(uname.Release[:end], []byte{'.'}, 3) - if len(v) != 3 { - return - } - major, _ := strconv.Atoi(string(v[0])) - minor, _ := strconv.Atoi(string(v[1])) - - if major > 5 || (major == 5 && minor >= 8) { - hasMountinfoBug = false - } - }) - - return hasMountinfoBug -} - -func readMountInfo(path string) ([]byte, error) { - if kernelHasMountinfoBug() { - return utilio.ConsistentRead(path, maxListTries) - } - - return os.ReadFile(path) -} diff --git a/vendor/k8s.io/mount-utils/mount_helper_windows.go b/vendor/k8s.io/mount-utils/mount_helper_windows.go deleted file mode 100644 index 995fd5a..0000000 --- a/vendor/k8s.io/mount-utils/mount_helper_windows.go +++ /dev/null @@ -1,111 +0,0 @@ -//go:build windows -// +build windows - -/* -Copyright 2019 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "fmt" - "os" - "strconv" - "strings" - "syscall" - - "k8s.io/klog/v2" -) - -// following failure codes are from https://docs.microsoft.com/en-us/windows/desktop/debug/system-error-codes--1300-1699- -// ERROR_BAD_NETPATH = 53 -// ERROR_NETWORK_BUSY = 54 -// ERROR_UNEXP_NET_ERR = 59 -// ERROR_NETNAME_DELETED = 64 -// ERROR_NETWORK_ACCESS_DENIED = 65 -// ERROR_BAD_DEV_TYPE = 66 -// ERROR_BAD_NET_NAME = 67 -// ERROR_SESSION_CREDENTIAL_CONFLICT = 1219 -// ERROR_LOGON_FAILURE = 1326 -// WSAEHOSTDOWN = 10064 -var errorNoList = [...]int{53, 54, 59, 64, 65, 66, 67, 1219, 1326, 10064} - -// IsCorruptedMnt return true if err is about corrupted mount point -func IsCorruptedMnt(err error) bool { - if err == nil { - return false - } - - var underlyingError error - switch pe := err.(type) { - case nil: - return false - case *os.PathError: - underlyingError = pe.Err - case *os.LinkError: - underlyingError = pe.Err - case *os.SyscallError: - underlyingError = pe.Err - } - - if ee, ok := underlyingError.(syscall.Errno); ok { - for _, errno := range errorNoList { - if int(ee) == errno { - klog.Warningf("IsCorruptedMnt failed with error: %v, error code: %v", err, errno) - return true - } - } - } - - return false -} - -// NormalizeWindowsPath makes sure the given path is a valid path on Windows -// systems by making sure all instances of `/` are replaced with `\\`, and the -// path beings with `c:` -func NormalizeWindowsPath(path string) string { - normalizedPath := strings.Replace(path, "/", "\\", -1) - if strings.HasPrefix(normalizedPath, "\\") { - normalizedPath = "c:" + normalizedPath - } - return normalizedPath -} - -// ValidateDiskNumber : disk number should be a number in [0, 99] -func ValidateDiskNumber(disk string) error { - if _, err := strconv.Atoi(disk); err != nil { - return fmt.Errorf("wrong disk number format: %q, err: %v", disk, err) - } - return nil -} - -// isMountPointMatch determines if the mountpoint matches the dir -func isMountPointMatch(mp MountPoint, dir string) bool { - return mp.Path == dir -} - -// PathExists returns true if the specified path exists. -// TODO: clean this up to use pkg/util/file/FileExists -func PathExists(path string) (bool, error) { - _, err := os.Stat(path) - if err == nil { - return true, nil - } else if os.IsNotExist(err) { - return false, nil - } else if IsCorruptedMnt(err) { - return true, err - } - return false, err -} diff --git a/vendor/k8s.io/mount-utils/mount_linux.go b/vendor/k8s.io/mount-utils/mount_linux.go deleted file mode 100644 index 07ce76d..0000000 --- a/vendor/k8s.io/mount-utils/mount_linux.go +++ /dev/null @@ -1,889 +0,0 @@ -//go:build linux -// +build linux - -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "context" - "errors" - "fmt" - "io/fs" - "os" - "os/exec" - "path/filepath" - "strconv" - "strings" - "syscall" - "time" - - "github.com/moby/sys/mountinfo" - "golang.org/x/sys/unix" - - "k8s.io/klog/v2" - utilexec "k8s.io/utils/exec" -) - -const ( - // Number of fields per line in /proc/mounts as per the fstab man page. - expectedNumFieldsPerLine = 6 - // Location of the mount file to use - procMountsPath = "/proc/mounts" - // Location of the mountinfo file - procMountInfoPath = "/proc/self/mountinfo" - // 'fsck' found errors and corrected them - fsckErrorsCorrected = 1 - // 'fsck' found errors but exited without correcting them - fsckErrorsUncorrected = 4 - // Error thrown by exec cmd.Run() when process spawned by cmd.Start() completes before cmd.Wait() is called (see - k/k issue #103753) - errNoChildProcesses = "wait: no child processes" - // Error returned by some `umount` implementations when the specified path is not a mount point - errNotMounted = "not mounted" -) - -var ( - // Error statx support since Linux 4.11, https://man7.org/linux/man-pages/man2/statx.2.html - errStatxNotSupport = errors.New("the statx syscall is not supported. At least Linux kernel 4.11 is needed") -) - -// Mounter provides the default implementation of mount.Interface -// for the linux platform. This implementation assumes that the -// kubelet is running in the host's root mount namespace. -type Mounter struct { - mounterPath string - withSystemd *bool - trySystemd bool - withSafeNotMountedBehavior bool -} - -var _ MounterForceUnmounter = &Mounter{} - -// New returns a mount.Interface for the current system. -// It provides options to override the default mounter behavior. -// mounterPath allows using an alternative to `/bin/mount` for mounting. -func New(mounterPath string) Interface { - return &Mounter{ - mounterPath: mounterPath, - trySystemd: true, - withSafeNotMountedBehavior: detectSafeNotMountedBehavior(), - } -} - -// NewWithoutSystemd returns a Linux specific mount.Interface for the current -// system. It provides options to override the default mounter behavior. -// mounterPath allows using an alternative to `/bin/mount` for mounting. Any -// detection for systemd functionality is disabled with this Mounter. -func NewWithoutSystemd(mounterPath string) Interface { - return &Mounter{ - mounterPath: mounterPath, - trySystemd: false, - withSafeNotMountedBehavior: detectSafeNotMountedBehavior(), - } -} - -// hasSystemd validates that the withSystemd bool is set, if it is not, -// detectSystemd will be called once for this Mounter instance. -func (mounter *Mounter) hasSystemd() bool { - if !mounter.trySystemd { - mounter.withSystemd = &mounter.trySystemd - } - - if mounter.withSystemd == nil { - withSystemd := detectSystemd() - mounter.withSystemd = &withSystemd - } - - return *mounter.withSystemd -} - -// Mount mounts source to target as fstype with given options. 'source' and 'fstype' must -// be an empty string in case it's not required, e.g. for remount, or for auto filesystem -// type, where kernel handles fstype for you. The mount 'options' is a list of options, -// currently come from mount(8), e.g. "ro", "remount", "bind", etc. If no more option is -// required, call Mount with an empty string list or nil. -func (mounter *Mounter) Mount(source string, target string, fstype string, options []string) error { - return mounter.MountSensitive(source, target, fstype, options, nil) -} - -// MountSensitive is the same as Mount() but this method allows -// sensitiveOptions to be passed in a separate parameter from the normal -// mount options and ensures the sensitiveOptions are never logged. This -// method should be used by callers that pass sensitive material (like -// passwords) as mount options. -func (mounter *Mounter) MountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - // Path to mounter binary if containerized mounter is needed. Otherwise, it is set to empty. - // All Linux distros are expected to be shipped with a mount utility that a support bind mounts. - mounterPath := "" - bind, bindOpts, bindRemountOpts, bindRemountOptsSensitive := MakeBindOptsSensitive(options, sensitiveOptions) - if bind { - err := mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, bindOpts, bindRemountOptsSensitive, nil /* mountFlags */, mounter.trySystemd) - if err != nil { - return err - } - return mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, bindRemountOpts, bindRemountOptsSensitive, nil /* mountFlags */, mounter.trySystemd) - } - // The list of filesystems that require containerized mounter on GCI image cluster - fsTypesNeedMounter := map[string]struct{}{ - "nfs": {}, - "glusterfs": {}, - "ceph": {}, - "cifs": {}, - } - if _, ok := fsTypesNeedMounter[fstype]; ok { - mounterPath = mounter.mounterPath - } - return mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, options, sensitiveOptions, nil /* mountFlags */, mounter.trySystemd) -} - -// MountSensitiveWithoutSystemd is the same as MountSensitive() but disable using systemd mount. -func (mounter *Mounter) MountSensitiveWithoutSystemd(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return mounter.MountSensitiveWithoutSystemdWithMountFlags(source, target, fstype, options, sensitiveOptions, nil /* mountFlags */) -} - -// MountSensitiveWithoutSystemdWithMountFlags is the same as MountSensitiveWithoutSystemd with additional mount flags. -func (mounter *Mounter) MountSensitiveWithoutSystemdWithMountFlags(source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string) error { - mounterPath := "" - bind, bindOpts, bindRemountOpts, bindRemountOptsSensitive := MakeBindOptsSensitive(options, sensitiveOptions) - if bind { - err := mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, bindOpts, bindRemountOptsSensitive, mountFlags, false) - if err != nil { - return err - } - return mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, bindRemountOpts, bindRemountOptsSensitive, mountFlags, false) - } - // The list of filesystems that require containerized mounter on GCI image cluster - fsTypesNeedMounter := map[string]struct{}{ - "nfs": {}, - "glusterfs": {}, - "ceph": {}, - "cifs": {}, - } - if _, ok := fsTypesNeedMounter[fstype]; ok { - mounterPath = mounter.mounterPath - } - return mounter.doMount(mounterPath, defaultMountCommand, source, target, fstype, options, sensitiveOptions, mountFlags, false) -} - -// doMount runs the mount command. mounterPath is the path to mounter binary if containerized mounter is used. -// sensitiveOptions is an extension of options except they will not be logged (because they may contain sensitive material) -// systemdMountRequired is an extension of option to decide whether uses systemd mount. -func (mounter *Mounter) doMount(mounterPath string, mountCmd string, source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string, systemdMountRequired bool) error { - mountArgs, mountArgsLogStr := MakeMountArgsSensitiveWithMountFlags(source, target, fstype, options, sensitiveOptions, mountFlags) - if len(mounterPath) > 0 { - mountArgs = append([]string{mountCmd}, mountArgs...) - mountArgsLogStr = mountCmd + " " + mountArgsLogStr - mountCmd = mounterPath - } - - if systemdMountRequired && mounter.hasSystemd() { - // Try to run mount via systemd-run --scope. This will escape the - // service where kubelet runs and any fuse daemons will be started in a - // specific scope. kubelet service than can be restarted without killing - // these fuse daemons. - // - // Complete command line (when mounterPath is not used): - // systemd-run --description=... --scope -- mount -t - // - // Expected flow: - // * systemd-run creates a transient scope (=~ cgroup) and executes its - // argument (/bin/mount) there. - // * mount does its job, forks a fuse daemon if necessary and finishes. - // (systemd-run --scope finishes at this point, returning mount's exit - // code and stdout/stderr - thats one of --scope benefits). - // * systemd keeps the fuse daemon running in the scope (i.e. in its own - // cgroup) until the fuse daemon dies (another --scope benefit). - // Kubelet service can be restarted and the fuse daemon survives. - // * When the fuse daemon dies (e.g. during unmount) systemd removes the - // scope automatically. - // - // systemd-mount is not used because it's too new for older distros - // (CentOS 7, Debian Jessie). - mountCmd, mountArgs, mountArgsLogStr = AddSystemdScopeSensitive("systemd-run", target, mountCmd, mountArgs, mountArgsLogStr) - // } else { - // No systemd-run on the host (or we failed to check it), assume kubelet - // does not run as a systemd service. - // No code here, mountCmd and mountArgs are already populated. - } - - // Logging with sensitive mount options removed. - klog.V(4).Infof("Mounting cmd (%s) with arguments (%s)", mountCmd, mountArgsLogStr) - command := exec.Command(mountCmd, mountArgs...) - output, err := command.CombinedOutput() - if err != nil { - if err.Error() == errNoChildProcesses { - if command.ProcessState.Success() { - // We don't consider errNoChildProcesses an error if the process itself succeeded (see - k/k issue #103753). - return nil - } - // Rewrite err with the actual exit error of the process. - err = &exec.ExitError{ProcessState: command.ProcessState} - } - klog.Errorf("Mount failed: %v\nMounting command: %s\nMounting arguments: %s\nOutput: %s\n", err, mountCmd, mountArgsLogStr, string(output)) - return fmt.Errorf("mount failed: %v\nMounting command: %s\nMounting arguments: %s\nOutput: %s", - err, mountCmd, mountArgsLogStr, string(output)) - } - return err -} - -// detectSystemd returns true if OS runs with systemd as init. When not sure -// (permission errors, ...), it returns false. -// There may be different ways how to detect systemd, this one makes sure that -// systemd-runs (needed by Mount()) works. -func detectSystemd() bool { - if _, err := exec.LookPath("systemd-run"); err != nil { - klog.V(2).Infof("Detected OS without systemd") - return false - } - // Try to run systemd-run --scope /bin/true, that should be enough - // to make sure that systemd is really running and not just installed, - // which happens when running in a container with a systemd-based image - // but with different pid 1. - cmd := exec.Command("systemd-run", "--description=Kubernetes systemd probe", "--scope", "true") - output, err := cmd.CombinedOutput() - if err != nil { - klog.V(2).Infof("Cannot run systemd-run, assuming non-systemd OS") - klog.V(4).Infof("systemd-run output: %s, failed with: %v", string(output), err) - return false - } - klog.V(2).Infof("Detected OS with systemd") - return true -} - -// detectSafeNotMountedBehavior returns true if the umount implementation replies "not mounted" -// when the specified path is not mounted. When not sure (permission errors, ...), it returns false. -// When possible, we will trust umount's message and avoid doing our own mount point checks. -// More info: https://github.com/util-linux/util-linux/blob/v2.2/mount/umount.c#L179 -func detectSafeNotMountedBehavior() bool { - return detectSafeNotMountedBehaviorWithExec(utilexec.New()) -} - -// detectSafeNotMountedBehaviorWithExec is for testing with FakeExec. -func detectSafeNotMountedBehaviorWithExec(exec utilexec.Interface) bool { - // create a temp dir and try to umount it - path, err := os.MkdirTemp("", "kubelet-detect-safe-umount") - if err != nil { - klog.V(4).Infof("Cannot create temp dir to detect safe 'not mounted' behavior: %v", err) - return false - } - defer os.RemoveAll(path) - cmd := exec.Command("umount", path) - output, err := cmd.CombinedOutput() - if err != nil { - if strings.Contains(string(output), errNotMounted) { - klog.V(4).Infof("Detected umount with safe 'not mounted' behavior") - return true - } - klog.V(4).Infof("'umount %s' failed with: %v, output: %s", path, err, string(output)) - } - klog.V(4).Infof("Detected umount with unsafe 'not mounted' behavior") - return false -} - -// MakeMountArgs makes the arguments to the mount(8) command. -// options MUST not contain sensitive material (like passwords). -func MakeMountArgs(source, target, fstype string, options []string) (mountArgs []string) { - mountArgs, _ = MakeMountArgsSensitive(source, target, fstype, options, nil /* sensitiveOptions */) - return mountArgs -} - -// MakeMountArgsSensitive makes the arguments to the mount(8) command. -// sensitiveOptions is an extension of options except they will not be logged (because they may contain sensitive material) -func MakeMountArgsSensitive(source, target, fstype string, options []string, sensitiveOptions []string) (mountArgs []string, mountArgsLogStr string) { - return MakeMountArgsSensitiveWithMountFlags(source, target, fstype, options, sensitiveOptions, nil /* mountFlags */) -} - -// MakeMountArgsSensitiveWithMountFlags makes the arguments to the mount(8) command. -// sensitiveOptions is an extension of options except they will not be logged (because they may contain sensitive material) -// mountFlags are additional mount flags that are not related with the fstype -// and mount options -func MakeMountArgsSensitiveWithMountFlags(source, target, fstype string, options []string, sensitiveOptions []string, mountFlags []string) (mountArgs []string, mountArgsLogStr string) { - // Build mount command as follows: - // mount [$mountFlags] [-t $fstype] [-o $options] [$source] $target - mountArgs = []string{} - mountArgsLogStr = "" - - mountArgs = append(mountArgs, mountFlags...) - mountArgsLogStr += strings.Join(mountFlags, " ") - - if len(fstype) > 0 { - mountArgs = append(mountArgs, "-t", fstype) - mountArgsLogStr += strings.Join(mountArgs, " ") - } - if len(options) > 0 || len(sensitiveOptions) > 0 { - combinedOptions := []string{} - combinedOptions = append(combinedOptions, options...) - combinedOptions = append(combinedOptions, sensitiveOptions...) - mountArgs = append(mountArgs, "-o", strings.Join(combinedOptions, ",")) - // exclude sensitiveOptions from log string - mountArgsLogStr += " -o " + sanitizedOptionsForLogging(options, sensitiveOptions) - } - if len(source) > 0 { - mountArgs = append(mountArgs, source) - mountArgsLogStr += " " + source - } - mountArgs = append(mountArgs, target) - mountArgsLogStr += " " + target - - return mountArgs, mountArgsLogStr -} - -// AddSystemdScope adds "system-run --scope" to given command line -// If args contains sensitive material, use AddSystemdScopeSensitive to construct -// a safe to log string. -func AddSystemdScope(systemdRunPath, mountName, command string, args []string) (string, []string) { - descriptionArg := fmt.Sprintf("--description=Kubernetes transient mount for %s", mountName) - systemdRunArgs := []string{descriptionArg, "--scope", "--", command} - return systemdRunPath, append(systemdRunArgs, args...) -} - -// AddSystemdScopeSensitive adds "system-run --scope" to given command line -// It also accepts takes a sanitized string containing mount arguments, mountArgsLogStr, -// and returns the string appended to the systemd command for logging. -func AddSystemdScopeSensitive(systemdRunPath, mountName, command string, args []string, mountArgsLogStr string) (string, []string, string) { - descriptionArg := fmt.Sprintf("--description=Kubernetes transient mount for %s", mountName) - systemdRunArgs := []string{descriptionArg, "--scope", "--", command} - return systemdRunPath, append(systemdRunArgs, args...), strings.Join(systemdRunArgs, " ") + " " + mountArgsLogStr -} - -// Unmount unmounts the target. -// If the mounter has safe "not mounted" behavior, no error will be returned when the target is not a mount point. -func (mounter *Mounter) Unmount(target string) error { - klog.V(4).Infof("Unmounting %s", target) - command := exec.Command("umount", target) - output, err := command.CombinedOutput() - if err != nil { - return checkUmountError(target, command, output, err, mounter.withSafeNotMountedBehavior) - } - return nil -} - -// UnmountWithForce unmounts given target but will retry unmounting with force option -// after given timeout. -func (mounter *Mounter) UnmountWithForce(target string, umountTimeout time.Duration) error { - err := tryUnmount(target, mounter.withSafeNotMountedBehavior, umountTimeout) - if err != nil { - if err == context.DeadlineExceeded { - klog.V(2).Infof("Timed out waiting for unmount of %s, trying with -f", target) - err = forceUmount(target, mounter.withSafeNotMountedBehavior) - } - return err - } - return nil -} - -// List returns a list of all mounted filesystems. -func (*Mounter) List() ([]MountPoint, error) { - return ListProcMounts(procMountsPath) -} - -func statx(file string) (unix.Statx_t, error) { - var stat unix.Statx_t - if err := unix.Statx(0, file, unix.AT_STATX_DONT_SYNC, 0, &stat); err != nil { - if err == unix.ENOSYS { - return stat, errStatxNotSupport - } - - return stat, err - } - - return stat, nil -} - -func (mounter *Mounter) isLikelyNotMountPointStat(file string) (bool, error) { - stat, err := os.Stat(file) - if err != nil { - return true, err - } - rootStat, err := os.Stat(filepath.Dir(strings.TrimSuffix(file, "/"))) - if err != nil { - return true, err - } - // If the directory has a different device as parent, then it is a mountpoint. - if stat.Sys().(*syscall.Stat_t).Dev != rootStat.Sys().(*syscall.Stat_t).Dev { - return false, nil - } - - return true, nil -} - -func (mounter *Mounter) isLikelyNotMountPointStatx(file string) (bool, error) { - var stat, rootStat unix.Statx_t - var err error - - if stat, err = statx(file); err != nil { - return true, err - } - - if stat.Attributes_mask != 0 { - if stat.Attributes_mask&unix.STATX_ATTR_MOUNT_ROOT != 0 { - if stat.Attributes&unix.STATX_ATTR_MOUNT_ROOT != 0 { - // file is a mountpoint - return false, nil - } else { - // no need to check rootStat if unix.STATX_ATTR_MOUNT_ROOT supported - return true, nil - } - } - } - - root := filepath.Dir(strings.TrimSuffix(file, "/")) - if rootStat, err = statx(root); err != nil { - return true, err - } - - return (stat.Dev_major == rootStat.Dev_major && stat.Dev_minor == rootStat.Dev_minor), nil -} - -// IsLikelyNotMountPoint determines if a directory is not a mountpoint. -// It is fast but not necessarily ALWAYS correct. If the path is in fact -// a bind mount from one part of a mount to another it will not be detected. -// It also can not distinguish between mountpoints and symbolic links. -// mkdir /tmp/a /tmp/b; mount --bind /tmp/a /tmp/b; IsLikelyNotMountPoint("/tmp/b") -// will return true. When in fact /tmp/b is a mount point. If this situation -// is of interest to you, don't use this function... -func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) { - notMountPoint, err := mounter.isLikelyNotMountPointStatx(file) - if errors.Is(err, errStatxNotSupport) { - // fall back to isLikelyNotMountPointStat - return mounter.isLikelyNotMountPointStat(file) - } - - return notMountPoint, err -} - -// CanSafelySkipMountPointCheck relies on the detected behavior of umount when given a target that is not a mount point. -func (mounter *Mounter) CanSafelySkipMountPointCheck() bool { - return mounter.withSafeNotMountedBehavior -} - -// GetMountRefs finds all mount references to pathname, returns a -// list of paths. Path could be a mountpoint or a normal -// directory (for bind mount). -func (mounter *Mounter) GetMountRefs(pathname string) ([]string, error) { - pathExists, pathErr := PathExists(pathname) - if !pathExists { - return []string{}, nil - } else if IsCorruptedMnt(pathErr) { - klog.Warningf("GetMountRefs found corrupted mount at %s, treating as unmounted path", pathname) - return []string{}, nil - } else if pathErr != nil { - return nil, fmt.Errorf("error checking path %s: %v", pathname, pathErr) - } - realpath, err := filepath.EvalSymlinks(pathname) - if err != nil { - return nil, err - } - return SearchMountPoints(realpath, procMountInfoPath) -} - -// checkAndRepairFileSystem checks and repairs filesystems using command fsck. -func (mounter *SafeFormatAndMount) checkAndRepairFilesystem(source string) error { - klog.V(4).Infof("Checking for issues with fsck on disk: %s", source) - args := []string{"-a", source} - out, err := mounter.Exec.Command("fsck", args...).CombinedOutput() - if err != nil { - ee, isExitError := err.(utilexec.ExitError) - switch { - case err == utilexec.ErrExecutableNotFound: - klog.Warningf("'fsck' not found on system; continuing mount without running 'fsck'.") - case isExitError && ee.ExitStatus() == fsckErrorsCorrected: - klog.Infof("Device %s has errors which were corrected by fsck.", source) - case isExitError && ee.ExitStatus() == fsckErrorsUncorrected: - return NewMountError(HasFilesystemErrors, "'fsck' found errors on device %s but could not correct them: %s", source, string(out)) - case isExitError && ee.ExitStatus() > fsckErrorsUncorrected: - klog.Infof("`fsck` error %s", string(out)) - default: - klog.Warningf("fsck on device %s failed with error %v, output: %v", source, err, string(out)) - } - } - return nil -} - -// formatAndMount uses unix utils to format and mount the given disk -func (mounter *SafeFormatAndMount) formatAndMountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string, formatOptions []string) error { - readOnly := false - for _, option := range options { - if option == "ro" { - readOnly = true - break - } - } - if !readOnly { - // Check sensitiveOptions for ro - for _, option := range sensitiveOptions { - if option == "ro" { - readOnly = true - break - } - } - } - - options = append(options, "defaults") - mountErrorValue := UnknownMountError - - // Check if the disk is already formatted - existingFormat, err := mounter.GetDiskFormat(source) - if err != nil { - return NewMountError(GetDiskFormatFailed, "failed to get disk format of disk %s: %v", source, err) - } - - // Use 'ext4' as the default - if len(fstype) == 0 { - fstype = "ext4" - } - - if existingFormat == "" { - // Do not attempt to format the disk if mounting as readonly, return an error to reflect this. - if readOnly { - return NewMountError(UnformattedReadOnly, "cannot mount unformatted disk %s as we are manipulating it in read-only mode", source) - } - - // Disk is unformatted so format it. - args := []string{source} - if fstype == "ext4" || fstype == "ext3" { - args = []string{ - "-F", // Force flag - "-m0", // Zero blocks reserved for super-user - source, - } - } else if fstype == "xfs" { - args = []string{ - "-f", // force flag - source, - } - } - args = append(formatOptions, args...) - - klog.Infof("Disk %q appears to be unformatted, attempting to format as type: %q with options: %v", source, fstype, args) - - output, err := mounter.format(fstype, args) - if err != nil { - // Do not log sensitiveOptions only options - sensitiveOptionsLog := sanitizedOptionsForLogging(options, sensitiveOptions) - detailedErr := fmt.Sprintf("format of disk %q failed: type:(%q) target:(%q) options:(%q) errcode:(%v) output:(%v) ", source, fstype, target, sensitiveOptionsLog, err, string(output)) - klog.Error(detailedErr) - return NewMountError(FormatFailed, detailedErr) - } - - klog.Infof("Disk successfully formatted (mkfs): %s - %s %s", fstype, source, target) - } else { - if fstype != existingFormat { - // Verify that the disk is formatted with filesystem type we are expecting - mountErrorValue = FilesystemMismatch - klog.Warningf("Configured to mount disk %s as %s but current format is %s, things might break", source, existingFormat, fstype) - } - - if !readOnly { - // Run check tools on the disk to fix repairable issues, only do this for formatted volumes requested as rw. - err := mounter.checkAndRepairFilesystem(source) - if err != nil { - return err - } - } - } - - // Mount the disk - klog.V(4).Infof("Attempting to mount disk %s in %s format at %s", source, fstype, target) - if err := mounter.MountSensitive(source, target, fstype, options, sensitiveOptions); err != nil { - return NewMountError(mountErrorValue, err.Error()) - } - - return nil -} - -func (mounter *SafeFormatAndMount) format(fstype string, args []string) ([]byte, error) { - if mounter.formatSem != nil { - done := make(chan struct{}) - defer close(done) - - mounter.formatSem <- struct{}{} - - go func() { - defer func() { <-mounter.formatSem }() - - timeout := time.NewTimer(mounter.formatTimeout) - defer timeout.Stop() - - select { - case <-done: - case <-timeout.C: - } - }() - } - - return mounter.Exec.Command("mkfs."+fstype, args...).CombinedOutput() -} - -func getDiskFormat(exec utilexec.Interface, disk string) (string, error) { - args := []string{"-p", "-s", "TYPE", "-s", "PTTYPE", "-o", "export", disk} - klog.V(4).Infof("Attempting to determine if disk %q is formatted using blkid with args: (%v)", disk, args) - dataOut, err := exec.Command("blkid", args...).CombinedOutput() - output := string(dataOut) - klog.V(4).Infof("Output: %q", output) - - if err != nil { - if exit, ok := err.(utilexec.ExitError); ok { - if exit.ExitStatus() == 2 { - // Disk device is unformatted. - // For `blkid`, if the specified token (TYPE/PTTYPE, etc) was - // not found, or no (specified) devices could be identified, an - // exit code of 2 is returned. - return "", nil - } - } - klog.Errorf("Could not determine if disk %q is formatted (%v)", disk, err) - return "", err - } - - var fstype, pttype string - - lines := strings.Split(output, "\n") - for _, l := range lines { - if len(l) <= 0 { - // Ignore empty line. - continue - } - cs := strings.Split(l, "=") - if len(cs) != 2 { - return "", fmt.Errorf("blkid returns invalid output: %s", output) - } - // TYPE is filesystem type, and PTTYPE is partition table type, according - // to https://www.kernel.org/pub/linux/utils/util-linux/v2.21/libblkid-docs/. - if cs[0] == "TYPE" { - fstype = cs[1] - } else if cs[0] == "PTTYPE" { - pttype = cs[1] - } - } - - if len(pttype) > 0 { - klog.V(4).Infof("Disk %s detected partition table type: %s", disk, pttype) - // Returns a special non-empty string as filesystem type, then kubelet - // will not format it. - return "unknown data, probably partitions", nil - } - - return fstype, nil -} - -// GetDiskFormat uses 'blkid' to see if the given disk is unformatted -func (mounter *SafeFormatAndMount) GetDiskFormat(disk string) (string, error) { - return getDiskFormat(mounter.Exec, disk) -} - -// ListProcMounts is shared with NsEnterMounter -func ListProcMounts(mountFilePath string) ([]MountPoint, error) { - content, err := readMountInfo(mountFilePath) - if err != nil { - return nil, err - } - return parseProcMounts(content) -} - -func parseProcMounts(content []byte) ([]MountPoint, error) { - out := []MountPoint{} - lines := strings.Split(string(content), "\n") - for _, line := range lines { - if line == "" { - // the last split() item is empty string following the last \n - continue - } - fields := strings.Fields(line) - if len(fields) != expectedNumFieldsPerLine { - // Do not log line in case it contains sensitive Mount options - return nil, fmt.Errorf("wrong number of fields (expected %d, got %d)", expectedNumFieldsPerLine, len(fields)) - } - - mp := MountPoint{ - Device: fields[0], - Path: fields[1], - Type: fields[2], - Opts: strings.Split(fields[3], ","), - } - - freq, err := strconv.Atoi(fields[4]) - if err != nil { - return nil, err - } - mp.Freq = freq - - pass, err := strconv.Atoi(fields[5]) - if err != nil { - return nil, err - } - mp.Pass = pass - - out = append(out, mp) - } - return out, nil -} - -// SearchMountPoints finds all mount references to the source, returns a list of -// mountpoints. -// The source can be a mount point or a normal directory (bind mount). We -// didn't support device because there is no use case by now. -// Some filesystems may share a source name, e.g. tmpfs. And for bind mounting, -// it's possible to mount a non-root path of a filesystem, so we need to use -// root path and major:minor to represent mount source uniquely. -// This implementation is shared between Linux and NsEnterMounter -func SearchMountPoints(hostSource, mountInfoPath string) ([]string, error) { - mis, err := ParseMountInfo(mountInfoPath) - if err != nil { - return nil, err - } - - mountID := 0 - rootPath := "" - major := -1 - minor := -1 - - // Finding the underlying root path and major:minor if possible. - // We need search in backward order because it's possible for later mounts - // to overlap earlier mounts. - for i := len(mis) - 1; i >= 0; i-- { - if hostSource == mis[i].MountPoint || PathWithinBase(hostSource, mis[i].MountPoint) { - // If it's a mount point or path under a mount point. - mountID = mis[i].ID - rootPath = filepath.Join(mis[i].Root, strings.TrimPrefix(hostSource, mis[i].MountPoint)) - major = mis[i].Major - minor = mis[i].Minor - break - } - } - - if rootPath == "" || major == -1 || minor == -1 { - return nil, fmt.Errorf("failed to get root path and major:minor for %s", hostSource) - } - - var refs []string - for i := range mis { - if mis[i].ID == mountID { - // Ignore mount entry for mount source itself. - continue - } - if mis[i].Root == rootPath && mis[i].Major == major && mis[i].Minor == minor { - refs = append(refs, mis[i].MountPoint) - } - } - - return refs, nil -} - -// IsMountPoint determines if a file is a mountpoint. -// It first detects bind & any other mountpoints using -// MountedFast function. If the MountedFast function returns -// sure as true and err as nil, then a mountpoint is detected -// successfully. When an error is returned by MountedFast, the -// following is true: -// 1. All errors are returned with IsMountPoint as false -// except os.IsPermission. -// 2. When os.IsPermission is returned by MountedFast, List() -// is called to confirm if the given file is a mountpoint are not. -// -// os.ErrNotExist should always be returned if a file does not exist -// as callers have in past relied on this error and not fallback. -// -// When MountedFast returns sure as false and err as nil (eg: in -// case of bindmounts on kernel version 5.10- ); mounter.List() -// endpoint is called to enumerate all the mountpoints and check if -// it is mountpoint match or not. -func (mounter *Mounter) IsMountPoint(file string) (bool, error) { - isMnt, sure, isMntErr := mountinfo.MountedFast(file) - if sure && isMntErr == nil { - return isMnt, nil - } - if isMntErr != nil { - if errors.Is(isMntErr, fs.ErrNotExist) { - return false, fs.ErrNotExist - } - // We were not allowed to do the simple stat() check, e.g. on NFS with - // root_squash. Fall back to /proc/mounts check below when - // fs.ErrPermission is returned. - if !errors.Is(isMntErr, fs.ErrPermission) { - return false, isMntErr - } - } - // Resolve any symlinks in file, kernel would do the same and use the resolved path in /proc/mounts. - resolvedFile, err := filepath.EvalSymlinks(file) - if err != nil { - if errors.Is(err, fs.ErrNotExist) { - return false, fs.ErrNotExist - } - return false, err - } - - // check all mountpoints since MountedFast is not sure. - // is not reliable for some mountpoint types. - mountPoints, mountPointsErr := mounter.List() - if mountPointsErr != nil { - return false, mountPointsErr - } - for _, mp := range mountPoints { - if isMountPointMatch(mp, resolvedFile) { - return true, nil - } - } - return false, nil -} - -// tryUnmount calls plain "umount" and waits for unmountTimeout for it to finish. -func tryUnmount(target string, withSafeNotMountedBehavior bool, unmountTimeout time.Duration) error { - klog.V(4).Infof("Unmounting %s", target) - ctx, cancel := context.WithTimeout(context.Background(), unmountTimeout) - defer cancel() - - command := exec.CommandContext(ctx, "umount", target) - output, err := command.CombinedOutput() - - // CombinedOutput() does not return DeadlineExceeded, make sure it's - // propagated on timeout. - if ctx.Err() != nil { - return ctx.Err() - } - - if err != nil { - return checkUmountError(target, command, output, err, withSafeNotMountedBehavior) - } - return nil -} - -func forceUmount(target string, withSafeNotMountedBehavior bool) error { - command := exec.Command("umount", "-f", target) - output, err := command.CombinedOutput() - if err != nil { - return checkUmountError(target, command, output, err, withSafeNotMountedBehavior) - } - return nil -} - -// checkUmountError checks a result of umount command and determine a return value. -func checkUmountError(target string, command *exec.Cmd, output []byte, err error, withSafeNotMountedBehavior bool) error { - if err.Error() == errNoChildProcesses { - if command.ProcessState.Success() { - // We don't consider errNoChildProcesses an error if the process itself succeeded (see - k/k issue #103753). - return nil - } - // Rewrite err with the actual exit error of the process. - err = &exec.ExitError{ProcessState: command.ProcessState} - } - if withSafeNotMountedBehavior && strings.Contains(string(output), errNotMounted) { - klog.V(4).Infof("ignoring 'not mounted' error for %s", target) - return nil - } - return fmt.Errorf("unmount failed: %v\nUnmounting arguments: %s\nOutput: %s", err, target, string(output)) -} diff --git a/vendor/k8s.io/mount-utils/mount_unsupported.go b/vendor/k8s.io/mount-utils/mount_unsupported.go deleted file mode 100644 index 0345904..0000000 --- a/vendor/k8s.io/mount-utils/mount_unsupported.go +++ /dev/null @@ -1,105 +0,0 @@ -//go:build !linux && !windows -// +build !linux,!windows - -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "errors" -) - -// Mounter implements mount.Interface for unsupported platforms -type Mounter struct { - mounterPath string -} - -var errUnsupported = errors.New("util/mount on this platform is not supported") - -// New returns a mount.Interface for the current system. -// It provides options to override the default mounter behavior. -// mounterPath allows using an alternative to `/bin/mount` for mounting. -func New(mounterPath string) Interface { - return &Mounter{ - mounterPath: mounterPath, - } -} - -// Mount always returns an error on unsupported platforms -func (mounter *Mounter) Mount(source string, target string, fstype string, options []string) error { - return errUnsupported -} - -// MountSensitive always returns an error on unsupported platforms -func (mounter *Mounter) MountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return errUnsupported -} - -// MountSensitiveWithoutSystemd always returns an error on unsupported platforms -func (mounter *Mounter) MountSensitiveWithoutSystemd(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return errUnsupported -} - -// MountSensitiveWithoutSystemdWithMountFlags always returns an error on unsupported platforms -func (mounter *Mounter) MountSensitiveWithoutSystemdWithMountFlags(source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string) error { - return errUnsupported -} - -// Unmount always returns an error on unsupported platforms -func (mounter *Mounter) Unmount(target string) error { - return errUnsupported -} - -// List always returns an error on unsupported platforms -func (mounter *Mounter) List() ([]MountPoint, error) { - return []MountPoint{}, errUnsupported -} - -// IsLikelyNotMountPoint always returns an error on unsupported platforms -func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) { - return true, errUnsupported -} - -// CanSafelySkipMountPointCheck always returns false on unsupported platforms -func (mounter *Mounter) CanSafelySkipMountPointCheck() bool { - return false -} - -// IsMountPoint determines if a directory is a mountpoint. -// It always returns an error on unsupported platforms. -func (mounter *Mounter) IsMountPoint(file string) (bool, error) { - return false, errUnsupported -} - -// GetMountRefs always returns an error on unsupported platforms -func (mounter *Mounter) GetMountRefs(pathname string) ([]string, error) { - return nil, errUnsupported -} - -func (mounter *SafeFormatAndMount) formatAndMountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string, formatOptions []string) error { - return mounter.Interface.Mount(source, target, fstype, options) -} - -func (mounter *SafeFormatAndMount) diskLooksUnformatted(disk string) (bool, error) { - return true, errUnsupported -} - -// IsMountPoint determines if a directory is a mountpoint. -// It always returns an error on unsupported platforms. -func (mounter *SafeFormatAndMount) IsMountPoint(file string) (bool, error) { - return false, errUnsupported -} diff --git a/vendor/k8s.io/mount-utils/mount_windows.go b/vendor/k8s.io/mount-utils/mount_windows.go deleted file mode 100644 index 9c8ad05..0000000 --- a/vendor/k8s.io/mount-utils/mount_windows.go +++ /dev/null @@ -1,358 +0,0 @@ -//go:build windows -// +build windows - -/* -Copyright 2017 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "fmt" - "os" - "os/exec" - "path/filepath" - "strings" - - "k8s.io/klog/v2" - "k8s.io/utils/keymutex" -) - -const ( - accessDenied string = "access is denied" -) - -// Mounter provides the default implementation of mount.Interface -// for the windows platform. This implementation assumes that the -// kubelet is running in the host's root mount namespace. -type Mounter struct { - mounterPath string -} - -// New returns a mount.Interface for the current system. -// It provides options to override the default mounter behavior. -// mounterPath allows using an alternative to `/bin/mount` for mounting. -func New(mounterPath string) Interface { - return &Mounter{ - mounterPath: mounterPath, - } -} - -// acquire lock for smb mount -var getSMBMountMutex = keymutex.NewHashed(0) - -// Mount : mounts source to target with given options. -// currently only supports cifs(smb), bind mount(for disk) -func (mounter *Mounter) Mount(source string, target string, fstype string, options []string) error { - return mounter.MountSensitive(source, target, fstype, options, nil /* sensitiveOptions */) -} - -// MountSensitiveWithoutSystemd is the same as MountSensitive() but disable using ssytemd mount. -// Windows not supported systemd mount, this function degrades to MountSensitive(). -func (mounter *Mounter) MountSensitiveWithoutSystemd(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - return mounter.MountSensitive(source, target, fstype, options, sensitiveOptions /* sensitiveOptions */) -} - -// MountSensitiveWithoutSystemdWithMountFlags is the same as MountSensitiveWithoutSystemd with additional mount flags -// Windows not supported systemd mount, this function degrades to MountSensitive(). -func (mounter *Mounter) MountSensitiveWithoutSystemdWithMountFlags(source string, target string, fstype string, options []string, sensitiveOptions []string, mountFlags []string) error { - return mounter.MountSensitive(source, target, fstype, options, sensitiveOptions /* sensitiveOptions */) -} - -// MountSensitive is the same as Mount() but this method allows -// sensitiveOptions to be passed in a separate parameter from the normal -// mount options and ensures the sensitiveOptions are never logged. This -// method should be used by callers that pass sensitive material (like -// passwords) as mount options. -func (mounter *Mounter) MountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string) error { - target = NormalizeWindowsPath(target) - sanitizedOptionsForLogging := sanitizedOptionsForLogging(options, sensitiveOptions) - - if source == "tmpfs" { - klog.V(3).Infof("mounting source (%q), target (%q), with options (%q)", source, target, sanitizedOptionsForLogging) - return os.MkdirAll(target, 0o755) - } - - parentDir := filepath.Dir(target) - if err := os.MkdirAll(parentDir, 0o755); err != nil { - return err - } - - klog.V(4).Infof("mount options(%q) source:%q, target:%q, fstype:%q, begin to mount", - sanitizedOptionsForLogging, source, target, fstype) - bindSource := source - - if bind, _, _, _ := MakeBindOptsSensitive(options, sensitiveOptions); bind { - bindSource = NormalizeWindowsPath(source) - } else { - allOptions := []string{} - allOptions = append(allOptions, options...) - allOptions = append(allOptions, sensitiveOptions...) - if len(allOptions) < 2 { - return fmt.Errorf("mount options(%q) should have at least 2 options, current number:%d, source:%q, target:%q", - sanitizedOptionsForLogging, len(allOptions), source, target) - } - - // currently only cifs mount is supported - if strings.ToLower(fstype) != "cifs" { - return fmt.Errorf("only cifs mount is supported now, fstype: %q, mounting source (%q), target (%q), with options (%q)", fstype, source, target, sanitizedOptionsForLogging) - } - - // lock smb mount for the same source - getSMBMountMutex.LockKey(source) - defer getSMBMountMutex.UnlockKey(source) - - username := allOptions[0] - password := allOptions[1] - if output, err := newSMBMapping(username, password, source); err != nil { - klog.Warningf("SMB Mapping(%s) returned with error(%v), output(%s)", source, err, string(output)) - if isSMBMappingExist(source) { - valid, err := isValidPath(source) - if !valid { - if err == nil || isAccessDeniedError(err) { - klog.V(2).Infof("SMB Mapping(%s) already exists while it's not valid, return error: %v, now begin to remove and remount", source, err) - if output, err = removeSMBMapping(source); err != nil { - return fmt.Errorf("Remove-SmbGlobalMapping failed: %v, output: %q", err, output) - } - if output, err := newSMBMapping(username, password, source); err != nil { - return fmt.Errorf("New-SmbGlobalMapping(%s) failed: %v, output: %q", source, err, output) - } - } - } else { - klog.V(2).Infof("SMB Mapping(%s) already exists and is still valid, skip error(%v)", source, err) - } - } else { - return fmt.Errorf("New-SmbGlobalMapping(%s) failed: %v, output: %q", source, err, output) - } - } - } - - // There is an issue in golang where EvalSymlinks fails on Windows when passed a - // UNC share root path without a trailing backslash. - // Ex: \\SERVER\share will fail to resolve but \\SERVER\share\ will resolve - // containerD on Windows calls EvalSymlinks so we'll add the backslash when making the symlink if it is missing. - // https://github.com/golang/go/pull/42096 fixes this issue in golang but a fix will not be available until - // golang v1.16 - mklinkSource := bindSource - if !strings.HasSuffix(mklinkSource, "\\") { - mklinkSource = mklinkSource + "\\" - } - - err := os.Symlink(mklinkSource, target) - if err != nil { - klog.Errorf("symlink failed: %v, source(%q) target(%q)", err, mklinkSource, target) - return err - } - klog.V(2).Infof("symlink source(%q) on target(%q) successfully", mklinkSource, target) - - return nil -} - -// do the SMB mount with username, password, remotepath -// return (output, error) -func newSMBMapping(username, password, remotepath string) (string, error) { - if username == "" || password == "" || remotepath == "" { - return "", fmt.Errorf("invalid parameter(username: %s, password: %s, remotepath: %s)", username, sensitiveOptionsRemoved, remotepath) - } - - // use PowerShell Environment Variables to store user input string to prevent command line injection - // https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_environment_variables?view=powershell-5.1 - cmdLine := `$PWord = ConvertTo-SecureString -String $Env:smbpassword -AsPlainText -Force` + - `;$Credential = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $Env:smbuser, $PWord` + - `;New-SmbGlobalMapping -RemotePath $Env:smbremotepath -Credential $Credential -RequirePrivacy $true` - cmd := exec.Command("powershell", "/c", cmdLine) - cmd.Env = append(os.Environ(), - fmt.Sprintf("smbuser=%s", username), - fmt.Sprintf("smbpassword=%s", password), - fmt.Sprintf("smbremotepath=%s", remotepath)) - - output, err := cmd.CombinedOutput() - return string(output), err -} - -// check whether remotepath is already mounted -func isSMBMappingExist(remotepath string) bool { - cmd := exec.Command("powershell", "/c", `Get-SmbGlobalMapping -RemotePath $Env:smbremotepath`) - cmd.Env = append(os.Environ(), fmt.Sprintf("smbremotepath=%s", remotepath)) - _, err := cmd.CombinedOutput() - return err == nil -} - -// check whether remotepath is valid -// return (true, nil) if remotepath is valid -func isValidPath(remotepath string) (bool, error) { - cmd := exec.Command("powershell", "/c", `Test-Path $Env:remotepath`) - cmd.Env = append(os.Environ(), fmt.Sprintf("remotepath=%s", remotepath)) - output, err := cmd.CombinedOutput() - if err != nil { - return false, fmt.Errorf("returned output: %s, error: %v", string(output), err) - } - - return strings.HasPrefix(strings.ToLower(string(output)), "true"), nil -} - -func isAccessDeniedError(err error) bool { - return err != nil && strings.Contains(strings.ToLower(err.Error()), accessDenied) -} - -// remove SMB mapping -func removeSMBMapping(remotepath string) (string, error) { - cmd := exec.Command("powershell", "/c", `Remove-SmbGlobalMapping -RemotePath $Env:smbremotepath -Force`) - cmd.Env = append(os.Environ(), fmt.Sprintf("smbremotepath=%s", remotepath)) - output, err := cmd.CombinedOutput() - return string(output), err -} - -// Unmount unmounts the target. -func (mounter *Mounter) Unmount(target string) error { - klog.V(4).Infof("Unmount target (%q)", target) - target = NormalizeWindowsPath(target) - - if err := os.Remove(target); err != nil { - klog.Errorf("removing directory %s failed: %v", target, err) - return err - } - return nil -} - -// List returns a list of all mounted filesystems. todo -func (mounter *Mounter) List() ([]MountPoint, error) { - return []MountPoint{}, nil -} - -// IsLikelyNotMountPoint determines if a directory is not a mountpoint. -func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) { - stat, err := os.Lstat(file) - if err != nil { - return true, err - } - - if stat.Mode()&os.ModeSymlink != 0 { - return false, err - } - return true, nil -} - -// CanSafelySkipMountPointCheck always returns false on Windows -func (mounter *Mounter) CanSafelySkipMountPointCheck() bool { - return false -} - -// IsMountPoint: determines if a directory is a mountpoint. -func (mounter *Mounter) IsMountPoint(file string) (bool, error) { - isNotMnt, err := mounter.IsLikelyNotMountPoint(file) - if err != nil { - return false, err - } - return !isNotMnt, nil -} - -// GetMountRefs : empty implementation here since there is no place to query all mount points on Windows -func (mounter *Mounter) GetMountRefs(pathname string) ([]string, error) { - windowsPath := NormalizeWindowsPath(pathname) - pathExists, pathErr := PathExists(windowsPath) - if !pathExists { - return []string{}, nil - } else if IsCorruptedMnt(pathErr) { - klog.Warningf("GetMountRefs found corrupted mount at %s, treating as unmounted path", windowsPath) - return []string{}, nil - } else if pathErr != nil { - return nil, fmt.Errorf("error checking path %s: %v", windowsPath, pathErr) - } - return []string{pathname}, nil -} - -func (mounter *SafeFormatAndMount) formatAndMountSensitive(source string, target string, fstype string, options []string, sensitiveOptions []string, formatOptions []string) error { - // Try to mount the disk - klog.V(4).Infof("Attempting to formatAndMount disk: %s %s %s", fstype, source, target) - - if err := ValidateDiskNumber(source); err != nil { - klog.Errorf("diskMount: formatAndMount failed, err: %v", err) - return err - } - - if len(fstype) == 0 { - // Use 'NTFS' as the default - fstype = "NTFS" - } - - if len(formatOptions) > 0 { - return fmt.Errorf("diskMount: formatOptions are not supported on Windows") - } - - cmdString := "Get-Disk -Number $env:source | Where partitionstyle -eq 'raw' | Initialize-Disk -PartitionStyle GPT -PassThru" + - " | New-Partition -UseMaximumSize | Format-Volume -FileSystem $env:fstype -Confirm:$false" - cmd := mounter.Exec.Command("powershell", "/c", cmdString) - env := append(os.Environ(), - fmt.Sprintf("source=%s", source), - fmt.Sprintf("fstype=%s", fstype), - ) - cmd.SetEnv(env) - klog.V(8).Infof("Executing command: %q", cmdString) - if output, err := cmd.CombinedOutput(); err != nil { - return fmt.Errorf("diskMount: format disk failed, error: %v, output: %q", err, string(output)) - } - klog.V(4).Infof("diskMount: Disk successfully formatted, disk: %q, fstype: %q", source, fstype) - - volumeIds, err := ListVolumesOnDisk(source) - if err != nil { - return err - } - driverPath := volumeIds[0] - return mounter.MountSensitive(driverPath, target, fstype, options, sensitiveOptions) -} - -// ListVolumesOnDisk - returns back list of volumes(volumeIDs) in the disk (requested in diskID). -func ListVolumesOnDisk(diskID string) (volumeIDs []string, err error) { - // If a Disk has multiple volumes, Get-Volume may not return items in the same order. - cmd := exec.Command("powershell", "/c", "(Get-Disk -DeviceId $env:diskID | Get-Partition | Get-Volume | Sort-Object -Property UniqueId).UniqueId") - cmd.Env = append(os.Environ(), fmt.Sprintf("diskID=%s", diskID)) - klog.V(8).Infof("Executing command: %q", cmd.String()) - output, err := cmd.CombinedOutput() - klog.V(4).Infof("ListVolumesOnDisk id from %s: %s", diskID, string(output)) - if err != nil { - return []string{}, fmt.Errorf("error list volumes on disk. cmd: %s, output: %s, error: %v", cmd, string(output), err) - } - - volumeIds := strings.Split(strings.TrimSpace(string(output)), "\r\n") - return volumeIds, nil -} - -// getAllParentLinks walks all symbolic links and return all the parent targets recursively -func getAllParentLinks(path string) ([]string, error) { - const maxIter = 255 - links := []string{} - for { - links = append(links, path) - if len(links) > maxIter { - return links, fmt.Errorf("unexpected length of parent links: %v", links) - } - - fi, err := os.Lstat(path) - if err != nil { - return links, fmt.Errorf("Lstat: %v", err) - } - if fi.Mode()&os.ModeSymlink == 0 { - break - } - - path, err = os.Readlink(path) - if err != nil { - return links, fmt.Errorf("Readlink error: %v", err) - } - } - - return links, nil -} diff --git a/vendor/k8s.io/mount-utils/resizefs_linux.go b/vendor/k8s.io/mount-utils/resizefs_linux.go deleted file mode 100644 index 3a5fa1b..0000000 --- a/vendor/k8s.io/mount-utils/resizefs_linux.go +++ /dev/null @@ -1,296 +0,0 @@ -//go:build linux -// +build linux - -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "fmt" - "strconv" - "strings" - - "k8s.io/klog/v2" - utilexec "k8s.io/utils/exec" -) - -const ( - blockDev = "blockdev" -) - -// ResizeFs Provides support for resizing file systems -type ResizeFs struct { - exec utilexec.Interface -} - -// NewResizeFs returns new instance of resizer -func NewResizeFs(exec utilexec.Interface) *ResizeFs { - return &ResizeFs{exec: exec} -} - -// Resize perform resize of file system -func (resizefs *ResizeFs) Resize(devicePath string, deviceMountPath string) (bool, error) { - format, err := getDiskFormat(resizefs.exec, devicePath) - if err != nil { - formatErr := fmt.Errorf("ResizeFS.Resize - error checking format for device %s: %v", devicePath, err) - return false, formatErr - } - - // If disk has no format, there is no need to resize the disk because mkfs.* - // by default will use whole disk anyways. - if format == "" { - return false, nil - } - - klog.V(3).Infof("ResizeFS.Resize - Expanding mounted volume %s", devicePath) - switch format { - case "ext3", "ext4": - return resizefs.extResize(devicePath) - case "xfs": - return resizefs.xfsResize(deviceMountPath) - case "btrfs": - return resizefs.btrfsResize(deviceMountPath) - } - return false, fmt.Errorf("ResizeFS.Resize - resize of format %s is not supported for device %s mounted at %s", format, devicePath, deviceMountPath) -} - -func (resizefs *ResizeFs) extResize(devicePath string) (bool, error) { - output, err := resizefs.exec.Command("resize2fs", devicePath).CombinedOutput() - if err == nil { - klog.V(2).Infof("Device %s resized successfully", devicePath) - return true, nil - } - - resizeError := fmt.Errorf("resize of device %s failed: %v. resize2fs output: %s", devicePath, err, string(output)) - return false, resizeError -} - -func (resizefs *ResizeFs) xfsResize(deviceMountPath string) (bool, error) { - args := []string{"-d", deviceMountPath} - output, err := resizefs.exec.Command("xfs_growfs", args...).CombinedOutput() - - if err == nil { - klog.V(2).Infof("Device %s resized successfully", deviceMountPath) - return true, nil - } - - resizeError := fmt.Errorf("resize of device %s failed: %v. xfs_growfs output: %s", deviceMountPath, err, string(output)) - return false, resizeError -} - -func (resizefs *ResizeFs) btrfsResize(deviceMountPath string) (bool, error) { - args := []string{"filesystem", "resize", "max", deviceMountPath} - output, err := resizefs.exec.Command("btrfs", args...).CombinedOutput() - - if err == nil { - klog.V(2).Infof("Device %s resized successfully", deviceMountPath) - return true, nil - } - - resizeError := fmt.Errorf("resize of device %s failed: %v. btrfs output: %s", deviceMountPath, err, string(output)) - return false, resizeError -} - -func (resizefs *ResizeFs) NeedResize(devicePath string, deviceMountPath string) (bool, error) { - // Do nothing if device is mounted as readonly - readonly, err := resizefs.getDeviceRO(devicePath) - if err != nil { - return false, err - } - - if readonly { - klog.V(3).Infof("ResizeFs.needResize - no resize possible since filesystem %s is readonly", devicePath) - return false, nil - } - - deviceSize, err := resizefs.getDeviceSize(devicePath) - if err != nil { - return false, err - } - var fsSize, blockSize uint64 - format, err := getDiskFormat(resizefs.exec, devicePath) - if err != nil { - formatErr := fmt.Errorf("ResizeFS.Resize - error checking format for device %s: %v", devicePath, err) - return false, formatErr - } - - // If disk has no format, there is no need to resize the disk because mkfs.* - // by default will use whole disk anyways. - if format == "" { - return false, nil - } - - klog.V(3).Infof("ResizeFs.needResize - checking mounted volume %s", devicePath) - switch format { - case "ext3", "ext4": - blockSize, fsSize, err = resizefs.getExtSize(devicePath) - klog.V(5).Infof("Ext size: filesystem size=%d, block size=%d", fsSize, blockSize) - case "xfs": - blockSize, fsSize, err = resizefs.getXFSSize(deviceMountPath) - klog.V(5).Infof("Xfs size: filesystem size=%d, block size=%d, err=%v", fsSize, blockSize, err) - case "btrfs": - blockSize, fsSize, err = resizefs.getBtrfsSize(devicePath) - klog.V(5).Infof("Btrfs size: filesystem size=%d, block size=%d, err=%v", fsSize, blockSize, err) - default: - klog.Errorf("Not able to parse given filesystem info. fsType: %s, will not resize", format) - return false, fmt.Errorf("Could not parse fs info on given filesystem format: %s. Supported fs types are: xfs, ext3, ext4", format) - } - if err != nil { - return false, err - } - // Tolerate one block difference, just in case of rounding errors somewhere. - klog.V(5).Infof("Volume %s: device size=%d, filesystem size=%d, block size=%d", devicePath, deviceSize, fsSize, blockSize) - if deviceSize <= fsSize+blockSize { - return false, nil - } - return true, nil -} - -func (resizefs *ResizeFs) getDeviceSize(devicePath string) (uint64, error) { - output, err := resizefs.exec.Command(blockDev, "--getsize64", devicePath).CombinedOutput() - outStr := strings.TrimSpace(string(output)) - if err != nil { - return 0, fmt.Errorf("failed to read size of device %s: %s: %s", devicePath, err, outStr) - } - size, err := strconv.ParseUint(outStr, 10, 64) - if err != nil { - return 0, fmt.Errorf("failed to parse size of device %s %s: %s", devicePath, outStr, err) - } - return size, nil -} - -func (resizefs *ResizeFs) getDeviceRO(devicePath string) (bool, error) { - output, err := resizefs.exec.Command(blockDev, "--getro", devicePath).CombinedOutput() - outStr := strings.TrimSpace(string(output)) - if err != nil { - return false, fmt.Errorf("failed to get readonly bit from device %s: %s: %s", devicePath, err, outStr) - } - switch outStr { - case "0": - return false, nil - case "1": - return true, nil - default: - return false, fmt.Errorf("Failed readonly device check. Expected 1 or 0, got '%s'", outStr) - } -} - -func (resizefs *ResizeFs) getExtSize(devicePath string) (uint64, uint64, error) { - output, err := resizefs.exec.Command("dumpe2fs", "-h", devicePath).CombinedOutput() - if err != nil { - return 0, 0, fmt.Errorf("failed to read size of filesystem on %s: %s: %s", devicePath, err, string(output)) - } - - blockSize, blockCount, _ := resizefs.parseFsInfoOutput(string(output), ":", "block size", "block count") - - if blockSize == 0 { - return 0, 0, fmt.Errorf("could not find block size of device %s", devicePath) - } - if blockCount == 0 { - return 0, 0, fmt.Errorf("could not find block count of device %s", devicePath) - } - return blockSize, blockSize * blockCount, nil -} - -func (resizefs *ResizeFs) getXFSSize(devicePath string) (uint64, uint64, error) { - output, err := resizefs.exec.Command("xfs_io", "-c", "statfs", devicePath).CombinedOutput() - if err != nil { - return 0, 0, fmt.Errorf("failed to read size of filesystem on %s: %s: %s", devicePath, err, string(output)) - } - - blockSize, blockCount, _ := resizefs.parseFsInfoOutput(string(output), "=", "geom.bsize", "geom.datablocks") - - if blockSize == 0 { - return 0, 0, fmt.Errorf("could not find block size of device %s", devicePath) - } - if blockCount == 0 { - return 0, 0, fmt.Errorf("could not find block count of device %s", devicePath) - } - return blockSize, blockSize * blockCount, nil -} - -func (resizefs *ResizeFs) getBtrfsSize(devicePath string) (uint64, uint64, error) { - output, err := resizefs.exec.Command("btrfs", "inspect-internal", "dump-super", "-f", devicePath).CombinedOutput() - if err != nil { - return 0, 0, fmt.Errorf("failed to read size of filesystem on %s: %s: %s", devicePath, err, string(output)) - } - - blockSize, totalBytes, _ := resizefs.parseBtrfsInfoOutput(string(output), "sectorsize", "total_bytes") - - if blockSize == 0 { - return 0, 0, fmt.Errorf("could not find block size of device %s", devicePath) - } - if totalBytes == 0 { - return 0, 0, fmt.Errorf("could not find total size of device %s", devicePath) - } - return blockSize, totalBytes, nil -} - -func (resizefs *ResizeFs) parseBtrfsInfoOutput(cmdOutput string, blockSizeKey string, totalBytesKey string) (uint64, uint64, error) { - lines := strings.Split(cmdOutput, "\n") - var blockSize, blockCount uint64 - var err error - - for _, line := range lines { - tokens := strings.Fields(line) - if len(tokens) != 2 { - continue - } - key, value := strings.ToLower(strings.TrimSpace(tokens[0])), strings.ToLower(strings.TrimSpace(tokens[1])) - - if key == blockSizeKey { - blockSize, err = strconv.ParseUint(value, 10, 64) - if err != nil { - return 0, 0, fmt.Errorf("failed to parse block size %s: %s", value, err) - } - } - if key == totalBytesKey { - blockCount, err = strconv.ParseUint(value, 10, 64) - if err != nil { - return 0, 0, fmt.Errorf("failed to parse total size %s: %s", value, err) - } - } - } - return blockSize, blockCount, err -} - -func (resizefs *ResizeFs) parseFsInfoOutput(cmdOutput string, spliter string, blockSizeKey string, blockCountKey string) (uint64, uint64, error) { - lines := strings.Split(cmdOutput, "\n") - var blockSize, blockCount uint64 - var err error - - for _, line := range lines { - tokens := strings.Split(line, spliter) - if len(tokens) != 2 { - continue - } - key, value := strings.ToLower(strings.TrimSpace(tokens[0])), strings.ToLower(strings.TrimSpace(tokens[1])) - if key == blockSizeKey { - blockSize, err = strconv.ParseUint(value, 10, 64) - if err != nil { - return 0, 0, fmt.Errorf("failed to parse block size %s: %s", value, err) - } - } - if key == blockCountKey { - blockCount, err = strconv.ParseUint(value, 10, 64) - if err != nil { - return 0, 0, fmt.Errorf("failed to parse block count %s: %s", value, err) - } - } - } - return blockSize, blockCount, err -} diff --git a/vendor/k8s.io/mount-utils/resizefs_unsupported.go b/vendor/k8s.io/mount-utils/resizefs_unsupported.go deleted file mode 100644 index 88b8b24..0000000 --- a/vendor/k8s.io/mount-utils/resizefs_unsupported.go +++ /dev/null @@ -1,46 +0,0 @@ -//go:build !linux -// +build !linux - -/* -Copyright 2021 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package mount - -import ( - "fmt" - - utilexec "k8s.io/utils/exec" -) - -// ResizeFs Provides support for resizing file systems -type ResizeFs struct { - exec utilexec.Interface -} - -// NewResizeFs returns new instance of resizer -func NewResizeFs(exec utilexec.Interface) *ResizeFs { - return &ResizeFs{exec: exec} -} - -// Resize perform resize of file system -func (resizefs *ResizeFs) Resize(devicePath string, deviceMountPath string) (bool, error) { - return false, fmt.Errorf("Resize is not supported for this build") -} - -// NeedResize check whether mounted volume needs resize -func (resizefs *ResizeFs) NeedResize(devicePath string, deviceMountPath string) (bool, error) { - return false, fmt.Errorf("NeedResize is not supported for this build") -} diff --git a/vendor/k8s.io/utils/LICENSE b/vendor/k8s.io/utils/LICENSE deleted file mode 100644 index d645695..0000000 --- a/vendor/k8s.io/utils/LICENSE +++ /dev/null @@ -1,202 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. 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We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/k8s.io/utils/exec/README.md b/vendor/k8s.io/utils/exec/README.md deleted file mode 100644 index 7944e8d..0000000 --- a/vendor/k8s.io/utils/exec/README.md +++ /dev/null @@ -1,5 +0,0 @@ -# Exec - -This package provides an interface for `os/exec`. It makes it easier to mock -and replace in tests, especially with the [FakeExec](testing/fake_exec.go) -struct. diff --git a/vendor/k8s.io/utils/exec/doc.go b/vendor/k8s.io/utils/exec/doc.go deleted file mode 100644 index cbb44bd..0000000 --- a/vendor/k8s.io/utils/exec/doc.go +++ /dev/null @@ -1,18 +0,0 @@ -/* -Copyright 2017 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -// Package exec provides an injectable interface and implementations for running commands. -package exec // import "k8s.io/utils/exec" diff --git a/vendor/k8s.io/utils/exec/exec.go b/vendor/k8s.io/utils/exec/exec.go deleted file mode 100644 index d9c91e3..0000000 --- a/vendor/k8s.io/utils/exec/exec.go +++ /dev/null @@ -1,256 +0,0 @@ -/* -Copyright 2017 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package exec - -import ( - "context" - "io" - "io/fs" - osexec "os/exec" - "syscall" - "time" -) - -// ErrExecutableNotFound is returned if the executable is not found. -var ErrExecutableNotFound = osexec.ErrNotFound - -// Interface is an interface that presents a subset of the os/exec API. Use this -// when you want to inject fakeable/mockable exec behavior. -type Interface interface { - // Command returns a Cmd instance which can be used to run a single command. - // This follows the pattern of package os/exec. - Command(cmd string, args ...string) Cmd - - // CommandContext returns a Cmd instance which can be used to run a single command. - // - // The provided context is used to kill the process if the context becomes done - // before the command completes on its own. For example, a timeout can be set in - // the context. - CommandContext(ctx context.Context, cmd string, args ...string) Cmd - - // LookPath wraps os/exec.LookPath - LookPath(file string) (string, error) -} - -// Cmd is an interface that presents an API that is very similar to Cmd from os/exec. -// As more functionality is needed, this can grow. Since Cmd is a struct, we will have -// to replace fields with get/set method pairs. -type Cmd interface { - // Run runs the command to the completion. - Run() error - // CombinedOutput runs the command and returns its combined standard output - // and standard error. This follows the pattern of package os/exec. - CombinedOutput() ([]byte, error) - // Output runs the command and returns standard output, but not standard err - Output() ([]byte, error) - SetDir(dir string) - SetStdin(in io.Reader) - SetStdout(out io.Writer) - SetStderr(out io.Writer) - SetEnv(env []string) - - // StdoutPipe and StderrPipe for getting the process' Stdout and Stderr as - // Readers - StdoutPipe() (io.ReadCloser, error) - StderrPipe() (io.ReadCloser, error) - - // Start and Wait are for running a process non-blocking - Start() error - Wait() error - - // Stops the command by sending SIGTERM. It is not guaranteed the - // process will stop before this function returns. If the process is not - // responding, an internal timer function will send a SIGKILL to force - // terminate after 10 seconds. - Stop() -} - -// ExitError is an interface that presents an API similar to os.ProcessState, which is -// what ExitError from os/exec is. This is designed to make testing a bit easier and -// probably loses some of the cross-platform properties of the underlying library. -type ExitError interface { - String() string - Error() string - Exited() bool - ExitStatus() int -} - -// Implements Interface in terms of really exec()ing. -type executor struct{} - -// New returns a new Interface which will os/exec to run commands. -func New() Interface { - return &executor{} -} - -// Command is part of the Interface interface. -func (executor *executor) Command(cmd string, args ...string) Cmd { - return (*cmdWrapper)(maskErrDotCmd(osexec.Command(cmd, args...))) -} - -// CommandContext is part of the Interface interface. -func (executor *executor) CommandContext(ctx context.Context, cmd string, args ...string) Cmd { - return (*cmdWrapper)(maskErrDotCmd(osexec.CommandContext(ctx, cmd, args...))) -} - -// LookPath is part of the Interface interface -func (executor *executor) LookPath(file string) (string, error) { - path, err := osexec.LookPath(file) - return path, handleError(maskErrDot(err)) -} - -// Wraps exec.Cmd so we can capture errors. -type cmdWrapper osexec.Cmd - -var _ Cmd = &cmdWrapper{} - -func (cmd *cmdWrapper) SetDir(dir string) { - cmd.Dir = dir -} - -func (cmd *cmdWrapper) SetStdin(in io.Reader) { - cmd.Stdin = in -} - -func (cmd *cmdWrapper) SetStdout(out io.Writer) { - cmd.Stdout = out -} - -func (cmd *cmdWrapper) SetStderr(out io.Writer) { - cmd.Stderr = out -} - -func (cmd *cmdWrapper) SetEnv(env []string) { - cmd.Env = env -} - -func (cmd *cmdWrapper) StdoutPipe() (io.ReadCloser, error) { - r, err := (*osexec.Cmd)(cmd).StdoutPipe() - return r, handleError(err) -} - -func (cmd *cmdWrapper) StderrPipe() (io.ReadCloser, error) { - r, err := (*osexec.Cmd)(cmd).StderrPipe() - return r, handleError(err) -} - -func (cmd *cmdWrapper) Start() error { - err := (*osexec.Cmd)(cmd).Start() - return handleError(err) -} - -func (cmd *cmdWrapper) Wait() error { - err := (*osexec.Cmd)(cmd).Wait() - return handleError(err) -} - -// Run is part of the Cmd interface. -func (cmd *cmdWrapper) Run() error { - err := (*osexec.Cmd)(cmd).Run() - return handleError(err) -} - -// CombinedOutput is part of the Cmd interface. -func (cmd *cmdWrapper) CombinedOutput() ([]byte, error) { - out, err := (*osexec.Cmd)(cmd).CombinedOutput() - return out, handleError(err) -} - -func (cmd *cmdWrapper) Output() ([]byte, error) { - out, err := (*osexec.Cmd)(cmd).Output() - return out, handleError(err) -} - -// Stop is part of the Cmd interface. -func (cmd *cmdWrapper) Stop() { - c := (*osexec.Cmd)(cmd) - - if c.Process == nil { - return - } - - c.Process.Signal(syscall.SIGTERM) - - time.AfterFunc(10*time.Second, func() { - if !c.ProcessState.Exited() { - c.Process.Signal(syscall.SIGKILL) - } - }) -} - -func handleError(err error) error { - if err == nil { - return nil - } - - switch e := err.(type) { - case *osexec.ExitError: - return &ExitErrorWrapper{e} - case *fs.PathError: - return ErrExecutableNotFound - case *osexec.Error: - if e.Err == osexec.ErrNotFound { - return ErrExecutableNotFound - } - } - - return err -} - -// ExitErrorWrapper is an implementation of ExitError in terms of os/exec ExitError. -// Note: standard exec.ExitError is type *os.ProcessState, which already implements Exited(). -type ExitErrorWrapper struct { - *osexec.ExitError -} - -var _ ExitError = &ExitErrorWrapper{} - -// ExitStatus is part of the ExitError interface. -func (eew ExitErrorWrapper) ExitStatus() int { - ws, ok := eew.Sys().(syscall.WaitStatus) - if !ok { - panic("can't call ExitStatus() on a non-WaitStatus exitErrorWrapper") - } - return ws.ExitStatus() -} - -// CodeExitError is an implementation of ExitError consisting of an error object -// and an exit code (the upper bits of os.exec.ExitStatus). -type CodeExitError struct { - Err error - Code int -} - -var _ ExitError = CodeExitError{} - -func (e CodeExitError) Error() string { - return e.Err.Error() -} - -func (e CodeExitError) String() string { - return e.Err.Error() -} - -// Exited is to check if the process has finished -func (e CodeExitError) Exited() bool { - return true -} - -// ExitStatus is for checking the error code -func (e CodeExitError) ExitStatus() int { - return e.Code -} diff --git a/vendor/k8s.io/utils/exec/fixup_go118.go b/vendor/k8s.io/utils/exec/fixup_go118.go deleted file mode 100644 index acf45f1..0000000 --- a/vendor/k8s.io/utils/exec/fixup_go118.go +++ /dev/null @@ -1,32 +0,0 @@ -//go:build !go1.19 -// +build !go1.19 - -/* -Copyright 2022 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package exec - -import ( - osexec "os/exec" -) - -func maskErrDotCmd(cmd *osexec.Cmd) *osexec.Cmd { - return cmd -} - -func maskErrDot(err error) error { - return err -} diff --git a/vendor/k8s.io/utils/exec/fixup_go119.go b/vendor/k8s.io/utils/exec/fixup_go119.go deleted file mode 100644 index 55874c9..0000000 --- a/vendor/k8s.io/utils/exec/fixup_go119.go +++ /dev/null @@ -1,40 +0,0 @@ -//go:build go1.19 -// +build go1.19 - -/* -Copyright 2022 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package exec - -import ( - "errors" - osexec "os/exec" -) - -// maskErrDotCmd reverts the behavior of osexec.Cmd to what it was before go1.19 -// specifically set the Err field to nil (LookPath returns a new error when the file -// is resolved to the current directory. -func maskErrDotCmd(cmd *osexec.Cmd) *osexec.Cmd { - cmd.Err = maskErrDot(cmd.Err) - return cmd -} - -func maskErrDot(err error) error { - if err != nil && errors.Is(err, osexec.ErrDot) { - return nil - } - return err -} diff --git a/vendor/k8s.io/utils/io/README.md b/vendor/k8s.io/utils/io/README.md deleted file mode 100644 index aa4cc41..0000000 --- a/vendor/k8s.io/utils/io/README.md +++ /dev/null @@ -1,4 +0,0 @@ -# IO - -This package provides interfaces for working with file IO. Currently it -provides functionality for consistently reading a file. diff --git a/vendor/k8s.io/utils/io/read.go b/vendor/k8s.io/utils/io/read.go deleted file mode 100644 index f0af3c8..0000000 --- a/vendor/k8s.io/utils/io/read.go +++ /dev/null @@ -1,98 +0,0 @@ -/* -Copyright 2017 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package io - -import ( - "bytes" - "errors" - "fmt" - "io" - "io/ioutil" -) - -// ErrLimitReached means that the read limit is reached. -var ErrLimitReached = errors.New("the read limit is reached") - -// ConsistentRead repeatedly reads a file until it gets the same content twice. -// This is useful when reading files in /proc that are larger than page size -// and kernel may modify them between individual read() syscalls. -// It returns InconsistentReadError when it cannot get a consistent read in -// given nr. of attempts. Caller should retry, kernel is probably under heavy -// mount/unmount load. -func ConsistentRead(filename string, attempts int) ([]byte, error) { - return consistentReadSync(filename, attempts, nil) -} - -// consistentReadSync is the main functionality of ConsistentRead but -// introduces a sync callback that can be used by the tests to mutate the file -// from which the test data is being read -func consistentReadSync(filename string, attempts int, sync func(int)) ([]byte, error) { - oldContent, err := ioutil.ReadFile(filename) - if err != nil { - return nil, err - } - for i := 0; i < attempts; i++ { - if sync != nil { - sync(i) - } - newContent, err := ioutil.ReadFile(filename) - if err != nil { - return nil, err - } - if bytes.Compare(oldContent, newContent) == 0 { - return newContent, nil - } - // Files are different, continue reading - oldContent = newContent - } - return nil, InconsistentReadError{filename, attempts} -} - -// InconsistentReadError is returned from ConsistentRead when it cannot get -// a consistent read in given nr. of attempts. Caller should retry, kernel is -// probably under heavy mount/unmount load. -type InconsistentReadError struct { - filename string - attempts int -} - -func (i InconsistentReadError) Error() string { - return fmt.Sprintf("could not get consistent content of %s after %d attempts", i.filename, i.attempts) -} - -var _ error = InconsistentReadError{} - -func IsInconsistentReadError(err error) bool { - if _, ok := err.(InconsistentReadError); ok { - return true - } - return false -} - -// ReadAtMost reads up to `limit` bytes from `r`, and reports an error -// when `limit` bytes are read. -func ReadAtMost(r io.Reader, limit int64) ([]byte, error) { - limitedReader := &io.LimitedReader{R: r, N: limit} - data, err := ioutil.ReadAll(limitedReader) - if err != nil { - return data, err - } - if limitedReader.N <= 0 { - return data, ErrLimitReached - } - return data, nil -} diff --git a/vendor/k8s.io/utils/keymutex/hashed.go b/vendor/k8s.io/utils/keymutex/hashed.go deleted file mode 100644 index 4ddb008..0000000 --- a/vendor/k8s.io/utils/keymutex/hashed.go +++ /dev/null @@ -1,58 +0,0 @@ -/* -Copyright 2018 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package keymutex - -import ( - "hash/fnv" - "runtime" - "sync" -) - -// NewHashed returns a new instance of KeyMutex which hashes arbitrary keys to -// a fixed set of locks. `n` specifies number of locks, if n <= 0, we use -// number of cpus. -// Note that because it uses fixed set of locks, different keys may share same -// lock, so it's possible to wait on same lock. -func NewHashed(n int) KeyMutex { - if n <= 0 { - n = runtime.NumCPU() - } - return &hashedKeyMutex{ - mutexes: make([]sync.Mutex, n), - } -} - -type hashedKeyMutex struct { - mutexes []sync.Mutex -} - -// Acquires a lock associated with the specified ID. -func (km *hashedKeyMutex) LockKey(id string) { - km.mutexes[km.hash(id)%uint32(len(km.mutexes))].Lock() -} - -// Releases the lock associated with the specified ID. -func (km *hashedKeyMutex) UnlockKey(id string) error { - km.mutexes[km.hash(id)%uint32(len(km.mutexes))].Unlock() - return nil -} - -func (km *hashedKeyMutex) hash(id string) uint32 { - h := fnv.New32a() - h.Write([]byte(id)) - return h.Sum32() -} diff --git a/vendor/k8s.io/utils/keymutex/keymutex.go b/vendor/k8s.io/utils/keymutex/keymutex.go deleted file mode 100644 index 89dc022..0000000 --- a/vendor/k8s.io/utils/keymutex/keymutex.go +++ /dev/null @@ -1,27 +0,0 @@ -/* -Copyright 2015 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package keymutex - -// KeyMutex is a thread-safe interface for acquiring locks on arbitrary strings. -type KeyMutex interface { - // Acquires a lock associated with the specified ID, creates the lock if one doesn't already exist. - LockKey(id string) - - // Releases the lock associated with the specified ID. - // Returns an error if the specified ID doesn't exist. - UnlockKey(id string) error -} diff --git a/vendor/modules.txt b/vendor/modules.txt index bc74e08..914dc06 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -1,9 +1,6 @@ # github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8 ## explicit github.com/c9s/goprocinfo/linux -# github.com/go-logr/logr v1.4.1 -## explicit; go 1.18 -github.com/go-logr/logr # github.com/go-ole/go-ole v1.2.6 ## explicit; go 1.12 github.com/go-ole/go-ole @@ -17,7 +14,7 @@ github.com/kr/pretty # github.com/kr/text v0.2.0 ## explicit github.com/kr/text -# github.com/longhorn/go-common-libs v0.0.0-20240616051056-103c7d62a0d5 +# github.com/longhorn/go-common-libs v0.0.0-20240623073303-1d8b9c5efb84 ## explicit; go 1.22.0 github.com/longhorn/go-common-libs/exec github.com/longhorn/go-common-libs/io @@ -30,9 +27,6 @@ github.com/longhorn/go-common-libs/utils # github.com/mitchellh/go-ps v1.0.0 ## explicit; go 1.13 github.com/mitchellh/go-ps -# github.com/moby/sys/mountinfo v0.6.2 -## explicit; go 1.16 -github.com/moby/sys/mountinfo # github.com/pkg/errors v0.9.1 ## explicit github.com/pkg/errors @@ -61,20 +55,3 @@ golang.org/x/sys/windows/registry # gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c ## explicit; go 1.11 gopkg.in/check.v1 -# k8s.io/klog/v2 v2.120.1 -## explicit; go 1.18 -k8s.io/klog/v2 -k8s.io/klog/v2/internal/buffer -k8s.io/klog/v2/internal/clock -k8s.io/klog/v2/internal/dbg -k8s.io/klog/v2/internal/serialize -k8s.io/klog/v2/internal/severity -k8s.io/klog/v2/internal/sloghandler -# k8s.io/mount-utils v0.30.2 -## explicit; go 1.22.0 -k8s.io/mount-utils -# k8s.io/utils v0.0.0-20230726121419-3b25d923346b -## explicit; go 1.18 -k8s.io/utils/exec -k8s.io/utils/io -k8s.io/utils/keymutex