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| 1 | +#!/usr/bin/env bats |
| 2 | +# Copyright (c) 2022 IBM Corporation |
| 3 | +# |
| 4 | +# SPDX-License-Identifier: Apache-2.0 |
| 5 | +# |
| 6 | + |
| 7 | +load "${BATS_TEST_DIRNAME}/lib.sh" |
| 8 | +load "${BATS_TEST_DIRNAME}/../../confidential/lib.sh" |
| 9 | + |
| 10 | +tag_suffix="" |
| 11 | +if [ "$(uname -m)" != "x86_64" ]; then |
| 12 | + tag_suffix="-$(uname -m)" |
| 13 | +fi |
| 14 | + |
| 15 | +# Images used on the tests. |
| 16 | +## Cosign |
| 17 | +image_cosigned="quay.io/kata-containers/confidential-containers:cosign-signed${tag_suffix}" |
| 18 | +image_cosigned_other="quay.io/kata-containers/confidential-containers:cosign-signed-key2" |
| 19 | + |
| 20 | +## Simple Signing |
| 21 | + |
| 22 | +image_simple_signed="quay.io/kata-containers/confidential-containers:signed${tag_suffix}" |
| 23 | +image_signed_protected_other="quay.io/kata-containers/confidential-containers:other_signed${tag_suffix}" |
| 24 | +image_unsigned_protected="quay.io/kata-containers/confidential-containers:unsigned${tag_suffix}" |
| 25 | +image_unsigned_unprotected="quay.io/prometheus/busybox:latest" |
| 26 | + |
| 27 | +## Authenticated Image |
| 28 | +image_authenticated="quay.io/kata-containers/confidential-containers-auth:test" |
| 29 | + |
| 30 | +original_kernel_params=$(get_kernel_params) |
| 31 | +# Allow to configure the runtimeClassName on pod configuration. |
| 32 | +RUNTIMECLASS="${RUNTIMECLASS:-kata}" |
| 33 | +test_tag="[cc][agent][kubernetes][containerd]" |
| 34 | + |
| 35 | +# Create the test pod. |
| 36 | +# |
| 37 | +# Note: the global $sandbox_name, $pod_config should be set |
| 38 | +# already. It also relies on $CI and $DEBUG exported by CI scripts or |
| 39 | +# the developer, to decide how to set debug flags. |
| 40 | +# |
| 41 | +create_test_pod() { |
| 42 | + # On CI mode we only want to enable the agent debug for the case of |
| 43 | + # the test failure to obtain logs. |
| 44 | + if [ "${CI:-}" == "true" ]; then |
| 45 | + enable_full_debug |
| 46 | + elif [ "${DEBUG:-}" == "true" ]; then |
| 47 | + enable_full_debug |
| 48 | + enable_agent_console |
| 49 | + fi |
| 50 | + |
| 51 | + echo "Create the test sandbox" |
| 52 | + echo "Pod config is: $pod_config" |
| 53 | + kubernetes_create_cc_pod $pod_config |
| 54 | +} |
| 55 | + |
| 56 | +# Create a pod configuration out of a template file. |
| 57 | +# |
| 58 | +# Parameters: |
| 59 | +# $1 - the container image. |
| 60 | +# Return: |
| 61 | +# the path to the configuration file. The caller should not care about |
| 62 | +# its removal afterwards as it is created under the bats temporary |
| 63 | +# directory. |
| 64 | +# |
| 65 | +# Environment variables: |
| 66 | +# RUNTIMECLASS: set the runtimeClassName value from $RUNTIMECLASS. |
| 67 | +# |
| 68 | +new_pod_config() { |
| 69 | + local base_config="${FIXTURES_DIR}/pod-config.yaml.in" |
| 70 | + local image="$1" |
| 71 | + |
| 72 | + local new_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename ${base_config}).XXX") |
| 73 | + IMAGE="$image" RUNTIMECLASS="$RUNTIMECLASS" envsubst < "$base_config" > "$new_config" |
| 74 | + echo "$new_config" |
| 75 | +} |
| 76 | + |
| 77 | +setup() { |
| 78 | + start_date=$(date +"%Y-%m-%d %H:%M:%S") |
| 79 | + |
| 80 | + pod_config="$(new_pod_config "$image_simple_signed")" |
| 81 | + pod_id="" |
| 82 | + |
| 83 | + kubernetes_delete_all_cc_pods_if_any_exists || true |
| 84 | + |
| 85 | + echo "Prepare containerd for Confidential Container" |
| 86 | + SAVED_CONTAINERD_CONF_FILE="/etc/containerd/config.toml.$$" |
| 87 | + configure_cc_containerd "$SAVED_CONTAINERD_CONF_FILE" |
| 88 | + |
| 89 | + echo "Reconfigure Kata Containers" |
| 90 | + switch_image_service_offload on |
| 91 | + clear_kernel_params |
| 92 | + add_kernel_params "${original_kernel_params}" |
| 93 | + |
| 94 | + setup_proxy |
| 95 | + switch_measured_rootfs_verity_scheme none |
| 96 | +} |
| 97 | + |
| 98 | +# Check the logged messages on host have a given message. |
| 99 | +# Parameters: |
| 100 | +# $1 - the message |
| 101 | +# |
| 102 | +# Note: get the logs since the global $start_date. |
| 103 | +# |
| 104 | +assert_logs_contain() { |
| 105 | + local message="$1" |
| 106 | + # Note: with image-rs we get more that the default 1000 lines of logs |
| 107 | + journalctl -x -t kata --since "$start_date" -n 100000 | grep "$message" |
| 108 | +} |
| 109 | + |
| 110 | +@test "$test_tag Test can pull an image as a raw block disk image to guest with dm-verity enabled" { |
| 111 | + if [ "${SNAPSHOTTER}" = "nydus" ]; then |
| 112 | + EXPORT_MODE="image_block_with_verity" RUNTIMECLASS="$RUNTIMECLASS" configure_remote_snapshotter |
| 113 | + pod_config="$(new_pod_config "$image_unsigned_unprotected")" |
| 114 | + echo $pod_config |
| 115 | + create_test_pod |
| 116 | + fi |
| 117 | +} |
| 118 | + |
| 119 | +@test "$test_tag Test can pull an unencrypted image inside the guest" { |
| 120 | + create_test_pod |
| 121 | + |
| 122 | + echo "Check the image was not pulled in the host" |
| 123 | + local pod_id=$(kubectl get pods -o jsonpath='{.items..metadata.name}') |
| 124 | + retrieve_sandbox_id |
| 125 | + rootfs=($(find /run/kata-containers/shared/sandboxes/${sandbox_id}/shared \ |
| 126 | + -name rootfs)) |
| 127 | + [ ${#rootfs[@]} -eq 1 ] |
| 128 | +} |
| 129 | + |
| 130 | + |
| 131 | +teardown() { |
| 132 | + # Print the logs and cleanup resources. |
| 133 | + echo "-- Kata logs:" |
| 134 | + sudo journalctl -xe -t kata --since "$start_date" -n 100000 |
| 135 | + |
| 136 | + # Allow to not destroy the environment if you are developing/debugging |
| 137 | + # tests. |
| 138 | + if [[ "${CI:-false}" == "false" && "${DEBUG:-}" == true ]]; then |
| 139 | + echo "Leaving changes and created resources untouched" |
| 140 | + return |
| 141 | + fi |
| 142 | + |
| 143 | + kubernetes_delete_all_cc_pods_if_any_exists || true |
| 144 | + clear_kernel_params |
| 145 | + add_kernel_params "${original_kernel_params}" |
| 146 | + switch_image_service_offload off |
| 147 | + disable_full_debug |
| 148 | +} |
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