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ci: Add test cases for CoCo image pulling without forked containerd
Additional tests are necessary to verify new feature that pulling image without forked containerd in CoCo. Fixes kata-containers#5763 Depends: kata-containers/kata-containers#7688 kata-containers/kata-containers#7676 Signed-off-by: ChengyuZhu6 <[email protected]>
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155
integration/kubernetes/confidential/image_pulling_with_snapshotter.bats
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,155 @@ | ||
| #!/usr/bin/env bats | ||
| # Copyright (c) 2022 IBM Corporation | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
|
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| load "${BATS_TEST_DIRNAME}/lib.sh" | ||
| load "${BATS_TEST_DIRNAME}/../../confidential/lib.sh" | ||
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| tag_suffix="" | ||
| if [ "$(uname -m)" != "x86_64" ]; then | ||
| tag_suffix="-$(uname -m)" | ||
| fi | ||
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| # Images used on the tests. | ||
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| image_unsigned_protected="quay.io/kata-containers/confidential-containers:unsigned${tag_suffix}" | ||
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| original_kernel_params=$(get_kernel_params) | ||
| # Allow to configure the runtimeClassName on pod configuration. | ||
| RUNTIMECLASS="${RUNTIMECLASS:-kata}" | ||
| test_tag="[cc][agent][kubernetes][containerd]" | ||
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| # Create the test pod. | ||
| # | ||
| # Note: the global $sandbox_name, $pod_config should be set | ||
| # already. It also relies on $CI and $DEBUG exported by CI scripts or | ||
| # the developer, to decide how to set debug flags. | ||
| # | ||
| create_test_pod() { | ||
| local pod_config="$1" | ||
| # On CI mode we only want to enable the agent debug for the case of | ||
| # the test failure to obtain logs. | ||
| if [ "${CI:-}" == "true" ]; then | ||
| enable_full_debug | ||
| elif [ "${DEBUG:-}" == "true" ]; then | ||
| enable_full_debug | ||
| enable_agent_console | ||
| fi | ||
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| echo "Create the test sandbox" | ||
| echo "Pod config is: $pod_config" | ||
| kubernetes_create_cc_pod $pod_config | ||
| } | ||
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| # Create a pod configuration out of a template file. | ||
| # | ||
| # Parameters: | ||
| # $1 - the container image. | ||
| # 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. | ||
| # | ||
| # Environment variables: | ||
| # RUNTIMECLASS: set the runtimeClassName value from $RUNTIMECLASS. | ||
| # | ||
| new_pod_config() { | ||
| local base_config="${FIXTURES_DIR}/pod-config.yaml.in" | ||
| local image="$1" | ||
| local index="$2" | ||
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| local new_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename ${base_config}).XXX") | ||
| IMAGE="$image" RUNTIMECLASS="$RUNTIMECLASS" INDEX="$2" envsubst <"$base_config" >"$new_config" | ||
| echo "$new_config" | ||
| } | ||
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| setup() { | ||
| start_date=$(date +"%Y-%m-%d %H:%M:%S") | ||
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| pod_config="$(new_pod_config "$image_simple_signed")" | ||
| pod_id="" | ||
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| kubernetes_delete_all_cc_pods_if_any_exists || true | ||
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| echo "Prepare containerd for Confidential Container" | ||
| SAVED_CONTAINERD_CONF_FILE="/etc/containerd/config.toml.$$" | ||
| configure_cc_containerd "$SAVED_CONTAINERD_CONF_FILE" | ||
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| echo "Reconfigure Kata Containers" | ||
| switch_image_service_offload off | ||
| clear_kernel_params | ||
| add_kernel_params "${original_kernel_params}" | ||
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| setup_proxy | ||
| switch_measured_rootfs_verity_scheme none | ||
| } | ||
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| # Check the logged messages on host have a given message. | ||
| # Parameters: | ||
| # $1 - the message | ||
| # | ||
| # Note: get the logs since the global $start_date. | ||
| # | ||
| assert_logs_contain() { | ||
| local message="$1" | ||
| # Note: with image-rs we get more that the default 1000 lines of logs | ||
| journalctl -x -t kata --since "$start_date" -n 100000 | grep "$message" | ||
| } | ||
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| @test "$test_tag Test can pull an image as a raw block disk image to guest with dm-verity enabled" { | ||
| if [ "$SNAPSHOTTER" = "nydus" ]; then | ||
| EXPORT_MODE="image_block_with_verity" RUNTIMECLASS="$RUNTIMECLASS" SNAPSHOTTER="nydus" configure_remote_snapshotter | ||
| pod_config="$(new_pod_config "$image_unsigned_unprotected")" | ||
| echo $pod_config | ||
| create_test_pod "$pod_config" | ||
| remove_test_image "$image_unsigned_unprotected" | ||
| fi | ||
| } | ||
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| @test "$test_tag Test can create two pods with pulling the image only once" { | ||
| if [ "$SNAPSHOTTER" = "nydus" ]; then | ||
| EXPORT_MODE="image_block_with_verity" RUNTIMECLASS="$RUNTIMECLASS" SNAPSHOTTER="nydus" configure_remote_snapshotter | ||
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| pod_config_1="$(new_pod_config "$image_unsigned_unprotected" "1")" | ||
| echo $pod_config_1 | ||
| create_test_pod $pod_config_1 | ||
| pod_config_2="$(new_pod_config "$image_unsigned_unprotected" "2")" | ||
| echo $pod_config_2 | ||
| create_test_pod $pod_config_2 | ||
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| pull_times=$(journalctl -g "PullImage \"$image_unsigned_protected\" with snapshotter nydus" | wc -l) | ||
| [ ${#pull_times[@]} -eq 1 ] | ||
| remove_test_image "$image_unsigned_unprotected" | ||
| fi | ||
| } | ||
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| @test "$test_tag Test can pull an image inside the guest with remote-snapshotter" { | ||
| switch_image_service_offload on | ||
| if [ "$SNAPSHOTTER" = "nydus" ]; then | ||
| EXPORT_MODE="image_guest_pull" RUNTIMECLASS="$RUNTIMECLASS" SNAPSHOTTER="nydus" configure_remote_snapshotter | ||
| create_test_pod | ||
| remove_test_image "$image_unsigned_unprotected" | ||
| fi | ||
| } | ||
|
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| teardown() { | ||
| # Print the logs and cleanup resources. | ||
| echo "-- Kata logs:" | ||
| sudo journalctl -xe -t kata --since "$start_date" -n 100000 | ||
|
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| # Allow to not destroy the environment if you are developing/debugging | ||
| # tests. | ||
| if [[ "${CI:-false}" == "false" && "${DEBUG:-}" == true ]]; then | ||
| echo "Leaving changes and created resources untouched" | ||
| return | ||
| fi | ||
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| kubernetes_delete_all_cc_pods_if_any_exists || true | ||
| clear_kernel_params | ||
| add_kernel_params "${original_kernel_params}" | ||
| switch_image_service_offload off | ||
| remove_nydus_snapshotter_from_containerd | ||
| disable_full_debug | ||
| } |