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https://github.com/kata-containers/kata-containers.git
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bf21411e90
Use AGENT_POLICY=yes when building the Guest images, and add a permissive test policy to the k8s tests for: - CBL-Mariner - SEV - SNP - TDX Also, add an example of policy rejecting ExecProcessRequest. Fixes: #7667 Signed-off-by: Dan Mihai <dmihai@microsoft.com>
42 lines
2.8 KiB
Bash
42 lines
2.8 KiB
Bash
#!/usr/bin/env bats
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#
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# Copyright (c) 2023 Microsoft.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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load "${BATS_TEST_DIRNAME}/../../common.bash"
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load "${BATS_TEST_DIRNAME}/tests_common.sh"
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setup() {
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get_pod_config_dir
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pod_name="busybox"
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pod_yaml="${pod_config_dir}/busybox-pod.yaml"
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# String generated using "base64 -w 0 kata-containers/src/kata-opa/allow-all-except-exec-process.rego"
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allow_all_except_exec_policy="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"
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}
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@test "Kubectl exec rejected by policy" {
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# Add to the YAML file a policy that rejects ExecProcessRequest.
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yq write -i "${pod_yaml}" \
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'metadata.annotations."io.katacontainers.config.agent.policy"' \
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"${allow_all_except_exec_policy}"
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# Create the pod
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kubectl create -f "${pod_yaml}"
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# Wait for pod to start
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kubectl wait --for=condition=Ready --timeout=$timeout pod "$pod_name"
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# Try executing a command in the Pod - an action rejected by the agent policy.
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kubectl exec "$pod_name" -- date 2>&1 | grep "ExecProcessRequest is blocked by policy"
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}
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teardown() {
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# Debugging information
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kubectl describe "pod/$pod_name"
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kubectl delete pod "$pod_name"
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}
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