NETOBSERV-1890: decode TCP flags (new stage/rule)

[jotak]

Description

Introduces new transform rule "decode_tcp_flags" that allows to convert a uint46 flag (e.g: 2) into its strings list representation (eg. "SYN")

Dependencies

More PRs are necessary for the full feature in netobserv but this one can be merged alone independently

Checklist

If you are not familiar with our processes or don't know what to answer in the list below, let us know in a comment: the maintainers will take care of that.

• Will this change affect NetObserv / Network Observability operator? If not, you can ignore the rest of this checklist.
• Is this PR backed with a JIRA ticket? If so, make sure it is written as a title prefix (in general, PRs affecting the NetObserv/Network Observability product should be backed with a JIRA ticket - especially if they bring user facing changes).
• Does this PR require product documentation?
  • If so, make sure the JIRA epic is labelled with "documentation" and provides a description relevant for doc writers, such as use cases or scenarios. Any required step to activate or configure the feature should be documented there, such as new CRD knobs.
• Does this PR require a product release notes entry?
  • If so, fill in "Release Note Text" in the JIRA.
• Is there anything else the QE team should know before testing? E.g: configuration changes, environment setup, etc.
  • If so, make sure it is described in the JIRA ticket.
• QE requirements (check 1 from the list):
  • Standard QE validation, with pre-merge tests unless stated otherwise.
  • Regression tests only (e.g. refactoring with no user-facing change).
  • No QE (e.g. trivial change with high reviewer's confidence, or per agreement with the QE team).

[openshift-ci-robot]

@jotak: This pull request references NETOBSERV-1890 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.18.0" version, but no target version was set.

In response to this:

Description

Introduces new transform rule "decode_tcp_flags" that allows to convert a uint46 flag (e.g: 2) into its strings list representation (eg. "SYN")

Dependencies

More PRs are necessary for the full feature in netobserv but this one can be merged alone independently

Checklist

If you are not familiar with our processes or don't know what to answer in the list below, let us know in a comment: the maintainers will take care of that.

• Will this change affect NetObserv / Network Observability operator? If not, you can ignore the rest of this checklist.
• Is this PR backed with a JIRA ticket? If so, make sure it is written as a title prefix (in general, PRs affecting the NetObserv/Network Observability product should be backed with a JIRA ticket - especially if they bring user facing changes).
• Does this PR require product documentation?
• If so, make sure the JIRA epic is labelled with "documentation" and provides a description relevant for doc writers, such as use cases or scenarios. Any required step to activate or configure the feature should be documented there, such as new CRD knobs.
• Does this PR require a product release notes entry?
• If so, fill in "Release Note Text" in the JIRA.
• Is there anything else the QE team should know before testing? E.g: configuration changes, environment setup, etc.
• If so, make sure it is described in the JIRA ticket.
• QE requirements (check 1 from the list):
• Standard QE validation, with pre-merge tests unless stated otherwise.
• Regression tests only (e.g. refactoring with no user-facing change).
• No QE (e.g. trivial change with high reviewer's confidence, or per agreement with the QE team).

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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Once this PR has been reviewed and has the lgtm label, please ask for approval from jotak. For more information see the Kubernetes Code Review Process.

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[codecov]

Codecov Report

Attention: Patch coverage is 57.14286% with 6 lines in your changes missing coverage. Please review.

Project coverage is 64.34%. Comparing base (592f367) to head (984ed23).

Files with missing lines	Patch %	Lines
pkg/pipeline/transform/transform_network.go	14.28%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #747      +/-   ##
==========================================
- Coverage   64.38%   64.34%   -0.05%     
==========================================
  Files         108      109       +1     
  Lines        8301     8314      +13     
==========================================
+ Hits         5345     5350       +5     
- Misses       2638     2645       +7     
- Partials      318      319       +1     

Flag	Coverage Δ
unittests	64.34% <57.14%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
pkg/api/transform_network.go	100.00% <ø> (ø)
pkg/utils/tcp_flags.go	100.00% <100.00%> (ø)
pkg/pipeline/transform/transform_network.go	65.11% <14.28%> (-2.36%)	⬇️

... and 1 file with indirect coverage changes

[jpinsonneau]

Why not using a string array here ?

[jotak]

done 974b3f5

[Amoghrd]

/ok-to-test

[github-actions]

New image:
quay.io/netobserv/flowlogs-pipeline:0aab8b0

It will expire after two weeks.

To deploy this build, run from the operator repo, assuming the operator is running:

USER=netobserv VERSION=0aab8b0 make set-flp-image

[openshift-ci]

@jotak: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/images	974b3f5	link	true	/test images

Full PR test history. Your PR dashboard.

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[Amoghrd]

/label qe-approved

[openshift-ci-robot]

@jotak: This pull request references NETOBSERV-1890 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.19.0" version, but no target version was set.

In response to this:

Description

Introduces new transform rule "decode_tcp_flags" that allows to convert a uint46 flag (e.g: 2) into its strings list representation (eg. "SYN")

Dependencies

More PRs are necessary for the full feature in netobserv but this one can be merged alone independently

Checklist

If you are not familiar with our processes or don't know what to answer in the list below, let us know in a comment: the maintainers will take care of that.

• Will this change affect NetObserv / Network Observability operator? If not, you can ignore the rest of this checklist.
• Is this PR backed with a JIRA ticket? If so, make sure it is written as a title prefix (in general, PRs affecting the NetObserv/Network Observability product should be backed with a JIRA ticket - especially if they bring user facing changes).
• Does this PR require product documentation?
• If so, make sure the JIRA epic is labelled with "documentation" and provides a description relevant for doc writers, such as use cases or scenarios. Any required step to activate or configure the feature should be documented there, such as new CRD knobs.
• Does this PR require a product release notes entry?
• If so, fill in "Release Note Text" in the JIRA.
• Is there anything else the QE team should know before testing? E.g: configuration changes, environment setup, etc.
• If so, make sure it is described in the JIRA ticket.
• QE requirements (check 1 from the list):
• Standard QE validation, with pre-merge tests unless stated otherwise.
• Regression tests only (e.g. refactoring with no user-facing change).
• No QE (e.g. trivial change with high reviewer's confidence, or per agreement with the QE team).

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.