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https://github.com/kata-containers/kata-containers.git
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71531a82f4
follow other TEEs to skip trusted storage tests due to #10838. Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>
248 lines
11 KiB
Bash
248 lines
11 KiB
Bash
#!/usr/bin/env bats
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# Copyright (c) 2023 Intel Corporation
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# Copyright (c) 2023 IBM Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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load "${BATS_TEST_DIRNAME}/lib.sh"
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load "${BATS_TEST_DIRNAME}/confidential_common.sh"
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setup() {
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if ! is_confidential_runtime_class; then
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skip "Test not supported for ${KATA_HYPERVISOR}."
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fi
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[ "${SNAPSHOTTER:-}" = "nydus" ] || skip "None snapshotter was found but this test requires one"
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setup_common || die "setup_common failed"
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get_pod_config_dir
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unencrypted_image="quay.io/prometheus/busybox:latest"
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image_pulled_time_less_than_default_time="ghcr.io/confidential-containers/test-container:rust-1.79.0" # unpacked size: 1.41GB
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large_image="quay.io/confidential-containers/test-images:largeimage" # unpacked size: 2.15GB
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pod_config_template="${pod_config_dir}/pod-guest-pull-in-trusted-storage.yaml.in"
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storage_config_template="${pod_config_dir}/confidential/trusted-storage.yaml.in"
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}
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@test "Test we can pull an unencrypted image outside the guest with runc and then inside the guest successfully" {
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# 1. Create one runc pod with the $unencrypted_image image
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# We want to have one runc pod, so we pass a fake runtimeclass "runc" and then delete the runtimeClassName,
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# because the runtimeclass is not optional in new_pod_config function.
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runc_pod_config="$(new_pod_config "$unencrypted_image" "runc")"
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sed -i '/runtimeClassName:/d' $runc_pod_config
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set_node "$runc_pod_config" "$node"
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set_container_command "$runc_pod_config" "0" "sleep" "30"
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# For debug sake
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echo "Pod $runc_pod_config file:"
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cat $runc_pod_config
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add_allow_all_policy_to_yaml "$runc_pod_config"
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k8s_create_pod "$runc_pod_config"
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echo "Runc pod test-e2e is running"
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kubectl delete -f "$runc_pod_config"
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# 2. Create one kata pod with the $unencrypted_image image and nydus annotation
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kata_pod_with_nydus_config="$(new_pod_config "$unencrypted_image" "kata-${KATA_HYPERVISOR}")"
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set_node "$kata_pod_with_nydus_config" "$node"
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set_container_command "$kata_pod_with_nydus_config" "0" "sleep" "30"
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# Set annotation to pull image in guest
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set_metadata_annotation "$kata_pod_with_nydus_config" \
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"io.containerd.cri.runtime-handler" \
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"kata-${KATA_HYPERVISOR}"
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# For debug sake
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echo "Pod $kata_pod_with_nydus_config file:"
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cat $kata_pod_with_nydus_config
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add_allow_all_policy_to_yaml "$kata_pod_with_nydus_config"
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k8s_create_pod "$kata_pod_with_nydus_config"
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}
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@test "Test we cannot pull an image that exceeds the memory limit inside the guest" {
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# The image pulled in the guest will be downloaded and unpacked in the `/run/kata-containers/image` directory.
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# However, by default, systemd allocates 50% of the available physical RAM to the `/run` directory using a `tmpfs` filesystem.
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# It means that if we run a kata container with the default configuration (where the default memory assigned for a VM is 2048 MiB),
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# `/run` would be allocated around 1024 MiB. Consequently, we can only pull images up to 1024 MiB in the guest.
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# However, the unpacked size of image "ghcr.io/confidential-containers/test-container:rust-1.79.0" is 1.41GB.
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# It will fail to run the pod with pulling the image in the memory in the guest by default.
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pod_config="$(new_pod_config "$image_pulled_time_less_than_default_time" "kata-${KATA_HYPERVISOR}")"
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set_node "$pod_config" "$node"
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set_container_command "$pod_config" "0" "sleep" "30"
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# Set annotation to pull image in guest
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set_metadata_annotation "${pod_config}" \
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"io.containerd.cri.runtime-handler" \
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"kata-${KATA_HYPERVISOR}"
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# For debug sake
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echo "Pod $pod_config file:"
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cat $pod_config
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# The pod should be failed because the unpacked image size is larger than the memory size in the guest.
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assert_pod_fail "$pod_config"
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assert_logs_contain "$node" kata "$node_start_time" \
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'No space left on device'
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}
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@test "Test we can pull an image inside the guest using trusted storage" {
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[ "$(uname -m)" == "s390x" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-snp" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-tdx" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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# The image pulled in the guest will be downloaded and unpacked in the `/run/kata-containers/image` directory.
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# The tests will use `cryptsetup` to encrypt a block device and mount it at `/run/kata-containers/image`.
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storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXX")
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local_device=$(create_loop_device)
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LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
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# For debug sake
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echo "Trusted storage $storage_config file:"
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cat $storage_config
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# Create persistent volume and persistent volume claim
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retry_kubectl_apply $storage_config
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pod_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${pod_config_template}").XXX")
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IMAGE="$image_pulled_time_less_than_default_time" NODE_NAME="$node" envsubst < "$pod_config_template" > "$pod_config"
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# Set CreateContainerRequest timeout for qemu-coco-dev
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if [ "${KATA_HYPERVISOR}" == "qemu-coco-dev" ]; then
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create_container_timeout=300
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set_metadata_annotation "$pod_config" \
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"io.katacontainers.config.runtime.create_container_timeout" \
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"${create_container_timeout}"
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fi
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# Enable dm-integrity in guest
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set_metadata_annotation "${pod_config}" \
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"io.katacontainers.config.hypervisor.kernel_params" \
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"agent.secure_storage_integrity=true"
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# Set annotation to pull image in guest
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set_metadata_annotation "${pod_config}" \
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"io.containerd.cri.runtime-handler" \
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"kata-${KATA_HYPERVISOR}"
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# For debug sake
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echo "Pod $pod_config file:"
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cat $pod_config
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add_allow_all_policy_to_yaml "$pod_config"
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local wait_time=120
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[ "${KATA_HYPERVISOR}" == "qemu-coco-dev" ] && wait_time=300
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k8s_create_pod "$pod_config" "$wait_time"
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}
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@test "Test we cannot pull a large image that pull time exceeds createcontainer timeout inside the guest" {
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[ "$(uname -m)" == "s390x" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-snp" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-tdx" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXX")
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local_device=$(create_loop_device)
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LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
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# For debug sake
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echo "Trusted storage $storage_config file:"
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cat $storage_config
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# Create persistent volume and persistent volume claim
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retry_kubectl_apply $storage_config
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pod_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${pod_config_template}").XXX")
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IMAGE="$large_image" NODE_NAME="$node" envsubst < "$pod_config_template" > "$pod_config"
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# Set a short CreateContainerRequest timeout in the annotation to fail to pull image in guest
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create_container_timeout=10
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set_metadata_annotation "$pod_config" \
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"io.katacontainers.config.runtime.create_container_timeout" \
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"${create_container_timeout}"
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# Enable dm-integrity in guest
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set_metadata_annotation "${pod_config}" \
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"io.katacontainers.config.hypervisor.kernel_params" \
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"agent.secure_storage_integrity=true"
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# Set annotation to pull image in guest
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set_metadata_annotation "${pod_config}" \
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"io.containerd.cri.runtime-handler" \
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"kata-${KATA_HYPERVISOR}"
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# For debug sake
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echo "Pod $pod_config file:"
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cat $pod_config
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# The pod should be failed because the image is too large to be pulled in the timeout
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assert_pod_fail "$pod_config"
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assert_logs_contain "$node" kata "$node_start_time" 'createContainer failed'
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assert_logs_contain "$node" kata "$node_start_time" 'timeout'
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}
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@test "Test we can pull a large image inside the guest with large createcontainer timeout" {
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[ "$(uname -m)" == "s390x" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-snp" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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[ "${KATA_HYPERVISOR}" == "qemu-tdx" ] && skip "See: https://github.com/kata-containers/kata-containers/issues/10838"
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if [ "${KATA_HYPERVISOR}" = "qemu-coco-dev" ] && [ "${KBS_INGRESS}" = "aks" ]; then
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skip "skip this specific one due to issue https://github.com/kata-containers/kata-containers/issues/10299"
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fi
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storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXX")
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local_device=$(create_loop_device)
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LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
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# For debug sake
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echo "Trusted storage $storage_config file:"
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cat $storage_config
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# Create persistent volume and persistent volume claim
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retry_kubectl_apply $storage_config
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pod_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${pod_config_template}").XXX")
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IMAGE="$large_image" NODE_NAME="$node" envsubst < "$pod_config_template" > "$pod_config"
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# Set CreateContainerRequest timeout in the annotation to pull large image in guest
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create_container_timeout=120
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[ "${KATA_HYPERVISOR}" == "qemu-coco-dev" ] && create_container_timeout=600
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set_metadata_annotation "$pod_config" \
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"io.katacontainers.config.runtime.create_container_timeout" \
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"${create_container_timeout}"
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# Enable dm-integrity in guest
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set_metadata_annotation "${pod_config}" \
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"io.katacontainers.config.hypervisor.kernel_params" \
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"agent.secure_storage_integrity=true"
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# Set annotation to pull image in guest
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set_metadata_annotation "${pod_config}" \
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"io.containerd.cri.runtime-handler" \
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"kata-${KATA_HYPERVISOR}"
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# For debug sake
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echo "Pod $pod_config file:"
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cat $pod_config
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add_allow_all_policy_to_yaml "$pod_config"
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local wait_time=120
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[ "${KATA_HYPERVISOR}" == "qemu-coco-dev" ] && wait_time=600
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k8s_create_pod "$pod_config" "$wait_time"
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}
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teardown() {
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if ! is_confidential_runtime_class; then
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skip "Test not supported for ${KATA_HYPERVISOR}."
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fi
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[ "${SNAPSHOTTER:-}" = "nydus" ] || skip "None snapshotter was found but this test requires one"
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teardown_common "${node}" "${node_start_time:-}"
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kubectl delete --ignore-not-found pvc trusted-pvc
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kubectl delete --ignore-not-found pv trusted-block-pv
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kubectl delete --ignore-not-found storageclass local-storage
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cleanup_loop_device || true
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}
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