94 lines
3.0 KiB
Go
94 lines
3.0 KiB
Go
/*
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Copyright 2017 The Kubernetes 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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"golang.org/x/net/context"
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"io/ioutil"
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"os"
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"os/exec"
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"testing"
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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/kubernetes/pkg/kubelet/apis/cri/runtime/v1alpha2"
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api "github.com/containerd/cri-containerd/pkg/api/v1"
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)
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// Test to load an image from tarball.
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func TestImageLoad(t *testing.T) {
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testImage := "busybox:latest"
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loadedImage := "docker.io/library/" + testImage
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_, err := exec.LookPath("docker")
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if err != nil {
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t.Skip("Docker is not available: %v", err)
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}
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t.Logf("docker save image into tarball")
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output, err := exec.Command("docker", "pull", testImage).CombinedOutput()
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require.NoError(t, err, "output: %q", output)
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tarF, err := ioutil.TempFile("", "image-load")
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tar := tarF.Name()
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, os.RemoveAll(tar))
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}()
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output, err = exec.Command("docker", "save", testImage, "-o", tar).CombinedOutput()
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require.NoError(t, err, "output: %q", output)
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t.Logf("make sure no such image in cri-containerd")
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img, err := imageService.ImageStatus(&runtime.ImageSpec{Image: testImage})
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require.NoError(t, err)
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if img != nil {
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require.NoError(t, imageService.RemoveImage(&runtime.ImageSpec{Image: testImage}))
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}
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t.Logf("load image in cri-containerd")
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res, err := criContainerdClient.LoadImage(context.Background(), &api.LoadImageRequest{FilePath: tar})
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require.NoError(t, err)
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require.Equal(t, []string{loadedImage}, res.GetImages())
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t.Logf("make sure image is loaded")
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img, err = imageService.ImageStatus(&runtime.ImageSpec{Image: testImage})
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require.NoError(t, err)
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require.NotNil(t, img)
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require.Equal(t, []string{loadedImage}, img.RepoTags)
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t.Logf("create a container with the loaded image")
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sbConfig := PodSandboxConfig("sandbox", Randomize("image-load"))
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sb, err := runtimeService.RunPodSandbox(sbConfig)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.StopPodSandbox(sb))
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assert.NoError(t, runtimeService.RemovePodSandbox(sb))
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}()
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containerConfig := ContainerConfig(
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"container",
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testImage,
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WithCommand("tail", "-f", "/dev/null"),
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)
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// Rely on sandbox clean to do container cleanup.
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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require.NoError(t, err)
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require.NoError(t, runtimeService.StartContainer(cn))
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t.Logf("make sure container is running")
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status, err := runtimeService.ContainerStatus(cn)
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require.NoError(t, err)
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require.Equal(t, runtime.ContainerState_CONTAINER_RUNNING, status.State)
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}
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