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Merge pull request kata-containers#7231 from wainersm/measured_rootfs…
…-improvements Build for measured rootfs improvements
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| #!/usr/bin/env bats | ||
| # | ||
| # Copyright (c) 2023 Red Hat | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
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| load "${BATS_TEST_DIRNAME}/lib.sh" | ||
| load "${BATS_TEST_DIRNAME}/tests_common.sh" | ||
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| check_and_skip() { | ||
| # Currently the only kernel built with measured rootfs support is | ||
| # the kernel-tdx-experimental. | ||
| [ "${KATA_HYPERVISOR}" = "qemu-tdx" ] || \ | ||
| skip "measured rootfs tests not implemented for hypervisor: $KATA_HYPERVISOR" | ||
| } | ||
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| setup() { | ||
| check_and_skip | ||
| setup_common | ||
| } | ||
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| teardown() { | ||
| check_and_skip | ||
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| kubectl describe -f "${pod_config}" || true | ||
| kubectl delete -f "${pod_config}" || true | ||
| } | ||
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| @test "Test cannnot launch pod with measured boot enabled and incorrect hash" { | ||
| pod_config="$(new_pod_config nginx "kata-${KATA_HYPERVISOR}")" | ||
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| incorrect_hash="5180b1568c2ba972e4e06ee0a55976acae8329f2a5d1d2004395635e1ec4a76e" | ||
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| # Despite the kernel being built with support, it is not currently enabled | ||
| # on configuration.toml. To avoid editing that file on the worker node, | ||
| # here it will be enabled via pod annotations. | ||
| set_metadata_annotation "$pod_config" \ | ||
| "io.katacontainers.config.hypervisor.kernel_params" \ | ||
| "rootfs_verity.scheme=dm-verity rootfs_verity.hash=$incorrect_hash" | ||
| # Run on a specific node so we know from where to inspect the logs | ||
| set_node "$pod_config" "$node" | ||
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| # For debug sake | ||
| echo "Pod $pod_config file:" | ||
| cat $pod_config | ||
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| assert_pod_fail "$pod_config" | ||
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| assert_logs_contain "$node" kata "$node_start_time" \ | ||
| 'verity: .* metadata block .* is corrupted' | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| #!/bin/bash | ||
| # Copyright (c) 2021, 2022 IBM Corporation | ||
| # Copyright (c) 2022, 2023 Red Hat | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
| # This provides generic functions to use in the tests. | ||
| # | ||
| set -e | ||
|
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| # Delete all pods if any exist, otherwise just return | ||
| # | ||
| k8s_delete_all_pods_if_any_exists() { | ||
| [ -z "$(kubectl get --no-headers pods)" ] || \ | ||
| kubectl delete --all pods | ||
| } | ||
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| FIXTURES_DIR="${BATS_TEST_DIRNAME}/runtimeclass_workloads" | ||
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| # Wait until the pod is not 'Ready'. Fail if it hits the timeout. | ||
| # | ||
| # Parameters: | ||
| # $1 - the sandbox ID | ||
| # $2 - wait time in seconds. Defaults to 120. (optional) | ||
| # | ||
| k8s_wait_pod_be_ready() { | ||
| local pod_name="$1" | ||
| local wait_time="${2:-120}" | ||
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| kubectl wait --timeout="${wait_time}s" --for=condition=ready "pods/$pod_name" | ||
| } | ||
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| # Create a pod and wait it be ready, otherwise fail. | ||
| # | ||
| # Parameters: | ||
| # $1 - the pod configuration file. | ||
| # | ||
| k8s_create_pod() { | ||
| local config_file="$1" | ||
| local pod_name="" | ||
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| if [ ! -f "${config_file}" ]; then | ||
| echo "Pod config file '${config_file}' does not exist" | ||
| return 1 | ||
| fi | ||
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| kubectl apply -f "${config_file}" | ||
| if ! pod_name=$(kubectl get pods -o jsonpath='{.items..metadata.name}'); then | ||
| echo "Failed to create the pod" | ||
| return 1 | ||
| fi | ||
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| if ! k8s_wait_pod_be_ready "$pod_name"; then | ||
| # TODO: run this command for debugging. Maybe it should be | ||
| # guarded by DEBUG=true? | ||
| kubectl get pods "$pod_name" | ||
| return 1 | ||
| fi | ||
| } | ||
|
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| # Check the logged messages on host have a given message. | ||
| # | ||
| # Parameters: | ||
| # $1 - the k8s worker node name | ||
| # $2 - the syslog identifier as in journalctl's -t option | ||
| # $3 - only logs since date/time (%Y-%m-%d %H:%M:%S) | ||
| # $4 - the message | ||
| # | ||
| assert_logs_contain() { | ||
| local node="$1" | ||
| local log_id="$2" | ||
| local datetime="$3" | ||
| local message="$4" | ||
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| # Note: with image-rs we get more than the default 1000 lines of logs | ||
| print_node_journal "$node" "$log_id" --since "$datetime" -n 100000 \ | ||
| grep "$message" | ||
| } | ||
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| # Create a pod then assert it fails to run. Use in tests that you expect the | ||
| # pod creation to fail. | ||
| # | ||
| # Note: a good testing practice is to afterwards check that the pod creation | ||
| # failed because of the expected reason. | ||
| # | ||
| # Parameters: | ||
| # $1 - the pod configuration file. | ||
| # | ||
| assert_pod_fail() { | ||
| local container_config="$1" | ||
| echo "In assert_pod_fail: $container_config" | ||
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| echo "Attempt to create the container but it should fail" | ||
| ! k8s_create_pod "$container_config" || /bin/false | ||
| } | ||
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| # Create a pod configuration out of a template file. | ||
| # | ||
| # Parameters: | ||
| # $1 - the container image. | ||
| # $2 - the runtimeclass | ||
| # | ||
| # Return: | ||
| # the path to the configuration file. The caller should not care about | ||
| # its removal afterwards as it is created under the bats temporary | ||
| # directory. | ||
| # | ||
| new_pod_config() { | ||
| local base_config="${FIXTURES_DIR}/pod-config.yaml.in" | ||
| local image="$1" | ||
| local runtimeclass="$2" | ||
| local new_config | ||
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| # The runtimeclass is not optional. | ||
| [ -n "$runtimeclass" ] || return 1 | ||
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| new_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${base_config}").XXX") | ||
| IMAGE="$image" RUNTIMECLASS="$runtimeclass" envsubst < "$base_config" > "$new_config" | ||
| echo "$new_config" | ||
| } | ||
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| # Set an annotation on configuration metadata. | ||
| # | ||
| # Usually you will pass a pod configuration file where the 'metadata' | ||
| # is relative to the 'root' path. Other configuration files like deployments, | ||
| # the annotation should be set on 'spec.template.metadata', so use the 4th | ||
| # parameter of this function to pass the base metadata path (for deployments | ||
| # cases, it will be 'spec.template' for example). | ||
| # | ||
| # Parameters: | ||
| # $1 - the yaml file | ||
| # $2 - the annotation key | ||
| # $3 - the annotation value | ||
| # $4 - (optional) base metadata path | ||
| set_metadata_annotation() { | ||
| local yaml="${1}" | ||
| local key="${2}" | ||
| local value="${3}" | ||
| local metadata_path="${4:-}" | ||
| local annotation_key="" | ||
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| [ -n "$metadata_path" ] && annotation_key+="${metadata_path}." | ||
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| # yaml annotation key name. | ||
| annotation_key+="metadata.annotations.\"${key}\"" | ||
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| echo "$annotation_key" | ||
| # yq set annotations in yaml. Quoting the key because it can have | ||
| # dots. | ||
| yq w -i --style=double "${yaml}" "${annotation_key}" "${value}" | ||
| } | ||
|
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| # Set the node name on configuration spec. | ||
| # | ||
| # Parameters: | ||
| # $1 - the yaml file | ||
| # $2 - the node name | ||
| # | ||
| set_node() { | ||
| local yaml="$1" | ||
| local node="$2" | ||
| [ -n "$node" ] || return 1 | ||
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| yq w -i "${yaml}" "spec.nodeName" "$node" | ||
| } | ||
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| # Get the systemd's journal from a worker node | ||
| # | ||
| # Parameters: | ||
| # $1 - the k8s worker node name | ||
| # $2 - the syslog identifier as in journalctl's -t option | ||
| # $N - (optional) any extra parameters to journalctl | ||
| # | ||
| print_node_journal() { | ||
| local node="$1" | ||
| local id="$2" | ||
| shift 2 | ||
| local img="quay.io/prometheus/busybox" | ||
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| kubectl debug --image "$img" -q -it "node/${node}" \ | ||
| -- chroot /host journalctl -x -t "$id" --no-pager "$@" | ||
| # Delete the debugger pod | ||
| kubectl get pods -o name | grep "node-debugger-${node}" | \ | ||
| xargs kubectl delete > /dev/null | ||
| } |
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14 changes: 14 additions & 0 deletions
14
tests/integration/kubernetes/runtimeclass_workloads/pod-config.yaml.in
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| # Copyright (c) 2021, 2022 IBM Corporation | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| name: test-e2e | ||
| spec: | ||
| runtimeClassName: $RUNTIMECLASS | ||
| containers: | ||
| - name: test-container | ||
| image: $IMAGE | ||
| imagePullPolicy: Always |
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