131 lines
3.9 KiB
Go
131 lines
3.9 KiB
Go
//go:build linux
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package integration
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import (
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"fmt"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/containerd/containerd/v2/integration/images"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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)
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func TestAdditionalGids(t *testing.T) {
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testImage := images.Get(images.BusyBox)
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EnsureImageExists(t, testImage)
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type testCase struct {
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description string
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opts []ContainerOpts
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expected string
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}
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testCases := []testCase{
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{
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description: "Equivalent of `docker run` (no option)",
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opts: nil,
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expected: "groups=0(root),10(wheel)",
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},
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{
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description: "Equivalent of `docker run --group-add 1 --group-add 1234`",
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opts: []ContainerOpts{WithSupplementalGroups([]int64{1 /*daemon*/, 1234 /*new group*/})},
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expected: "groups=0(root),1(daemon),10(wheel),1234",
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},
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{
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description: "Equivalent of `docker run --user 1234`",
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opts: []ContainerOpts{WithRunAsUser(1234)},
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expected: "groups=0(root)",
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},
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{
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description: "Equivalent of `docker run --user 1234:1234`",
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opts: []ContainerOpts{WithRunAsUser(1234), WithRunAsGroup(1234)},
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expected: "groups=1234",
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},
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{
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description: "Equivalent of `docker run --user 1234 --group-add 1234`",
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opts: []ContainerOpts{WithRunAsUser(1234), WithSupplementalGroups([]int64{1234})},
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expected: "groups=0(root),1234",
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},
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{
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description: "Equivalent of `docker run --user daemon` (Supported by CRI, although unsupported by kube-apiserver)",
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opts: []ContainerOpts{WithRunAsUsername("daemon")},
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expected: "groups=1(daemon)",
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},
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{
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description: "Equivalent of `docker run --user daemon --group-add 1234` (Supported by CRI, although unsupported by kube-apiserver)",
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opts: []ContainerOpts{WithRunAsUsername("daemon"), WithSupplementalGroups([]int64{1234})},
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expected: "groups=1(daemon),1234",
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},
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}
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for i, tc := range testCases {
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i, tc := i, tc
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tBasename := fmt.Sprintf("case-%d", i)
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t.Run(tBasename, func(t *testing.T) {
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t.Log(tc.description)
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t.Logf("Expected=%q", tc.expected)
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testPodLogDir := t.TempDir()
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t.Log("Create a sandbox with log directory")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox", tBasename,
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WithPodLogDirectory(testPodLogDir))
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t.Log("Create a container to print id")
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containerName := tBasename
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cnConfig := ContainerConfig(
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containerName,
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testImage,
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append(
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[]ContainerOpts{
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WithCommand("id"),
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WithLogPath(containerName),
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}, tc.opts...)...,
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)
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cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
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require.NoError(t, err)
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t.Log("Start the container")
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require.NoError(t, runtimeService.StartContainer(cn))
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t.Log("Wait for container to finish running")
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require.NoError(t, Eventually(func() (bool, error) {
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s, err := runtimeService.ContainerStatus(cn)
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if err != nil {
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return false, err
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}
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if s.GetState() == runtime.ContainerState_CONTAINER_EXITED {
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return true, nil
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}
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return false, nil
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}, time.Second, 30*time.Second))
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t.Log("Search additional groups in container log")
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content, err := os.ReadFile(filepath.Join(testPodLogDir, containerName))
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assert.NoError(t, err)
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assert.Contains(t, string(content), tc.expected+"\n")
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})
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}
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}
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