|
| 1 | +/* |
| 2 | +Copyright 2018 The containerd Authors. |
| 3 | +
|
| 4 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | +you may not use this file except in compliance with the License. |
| 6 | +You may obtain a copy of the License at |
| 7 | +
|
| 8 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | +
|
| 10 | +Unless required by applicable law or agreed to in writing, software |
| 11 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | +See the License for the specific language governing permissions and |
| 14 | +limitations under the License. |
| 15 | +*/ |
| 16 | + |
| 17 | +package integration |
| 18 | + |
| 19 | +import ( |
| 20 | + "golang.org/x/net/context" |
| 21 | + "testing" |
| 22 | + "time" |
| 23 | + |
| 24 | + "github.com/containerd/containerd" |
| 25 | + "github.com/containerd/containerd/errdefs" |
| 26 | + "github.com/pkg/errors" |
| 27 | + "github.com/stretchr/testify/assert" |
| 28 | + "github.com/stretchr/testify/require" |
| 29 | + runtime "k8s.io/kubernetes/pkg/kubelet/apis/cri/runtime/v1alpha2" |
| 30 | +) |
| 31 | + |
| 32 | +// Test to test the CRI plugin should see image pulled into containerd directly. |
| 33 | +func TestContainerdImage(t *testing.T) { |
| 34 | + testImage := "docker.io/library/busybox:latest" |
| 35 | + ctx := context.Background() |
| 36 | + |
| 37 | + t.Logf("make sure the test image doesn't exist in the cri plugin") |
| 38 | + i, err := imageService.ImageStatus(&runtime.ImageSpec{Image: testImage}) |
| 39 | + require.NoError(t, err) |
| 40 | + if i != nil { |
| 41 | + require.NoError(t, imageService.RemoveImage(&runtime.ImageSpec{Image: testImage})) |
| 42 | + } |
| 43 | + |
| 44 | + t.Logf("pull the image into containerd") |
| 45 | + _, err = containerdClient.Pull(ctx, testImage, containerd.WithPullUnpack) |
| 46 | + assert.NoError(t, err) |
| 47 | + defer func() { |
| 48 | + // Make sure the image is cleaned up in any case. |
| 49 | + if err := containerdClient.ImageService().Delete(ctx, testImage); err != nil { |
| 50 | + assert.True(t, errdefs.IsNotFound(err), err) |
| 51 | + } |
| 52 | + assert.NoError(t, imageService.RemoveImage(&runtime.ImageSpec{Image: testImage})) |
| 53 | + }() |
| 54 | + |
| 55 | + t.Logf("the image should be seen by the cri plugin") |
| 56 | + var id string |
| 57 | + checkImage := func() (bool, error) { |
| 58 | + img, err := imageService.ImageStatus(&runtime.ImageSpec{Image: testImage}) |
| 59 | + if err != nil { |
| 60 | + return false, err |
| 61 | + } |
| 62 | + if img == nil { |
| 63 | + t.Logf("Image %q not show up in the cri plugin yet", testImage) |
| 64 | + return false, nil |
| 65 | + } |
| 66 | + id = img.Id |
| 67 | + img, err = imageService.ImageStatus(&runtime.ImageSpec{Image: id}) |
| 68 | + if err != nil { |
| 69 | + return false, err |
| 70 | + } |
| 71 | + if img == nil { |
| 72 | + // We always generate image id as a reference first, it must |
| 73 | + // be ready here. |
| 74 | + return false, errors.New("can't reference image by id") |
| 75 | + } |
| 76 | + if len(img.RepoTags) != 1 { |
| 77 | + // RepoTags must have been populated correctly. |
| 78 | + return false, errors.Errorf("unexpected repotags: %+v", img.RepoTags) |
| 79 | + } |
| 80 | + if img.RepoTags[0] != testImage { |
| 81 | + return false, errors.Errorf("unexpected repotag %q", img.RepoTags[0]) |
| 82 | + } |
| 83 | + return true, nil |
| 84 | + } |
| 85 | + require.NoError(t, Eventually(checkImage, 100*time.Millisecond, 10*time.Second)) |
| 86 | + require.NoError(t, Consistently(checkImage, 100*time.Millisecond, time.Second)) |
| 87 | + defer func() { |
| 88 | + t.Logf("image should still be seen by id if only tag get deleted") |
| 89 | + if err := containerdClient.ImageService().Delete(ctx, testImage); err != nil { |
| 90 | + assert.True(t, errdefs.IsNotFound(err), err) |
| 91 | + } |
| 92 | + assert.NoError(t, Consistently(func() (bool, error) { |
| 93 | + img, err := imageService.ImageStatus(&runtime.ImageSpec{Image: id}) |
| 94 | + if err != nil { |
| 95 | + return false, err |
| 96 | + } |
| 97 | + return img != nil, nil |
| 98 | + }, 100*time.Millisecond, time.Second)) |
| 99 | + t.Logf("image should be removed from the cri plugin if all references get deleted") |
| 100 | + if err := containerdClient.ImageService().Delete(ctx, id); err != nil { |
| 101 | + assert.True(t, errdefs.IsNotFound(err), err) |
| 102 | + } |
| 103 | + assert.NoError(t, Eventually(func() (bool, error) { |
| 104 | + img, err := imageService.ImageStatus(&runtime.ImageSpec{Image: id}) |
| 105 | + if err != nil { |
| 106 | + return false, err |
| 107 | + } |
| 108 | + return img == nil, nil |
| 109 | + }, 100*time.Millisecond, 10*time.Second)) |
| 110 | + }() |
| 111 | + |
| 112 | + t.Logf("the image should be marked as managed") |
| 113 | + imgByRef, err := containerdClient.GetImage(ctx, testImage) |
| 114 | + assert.NoError(t, err) |
| 115 | + assert.Equal(t, imgByRef.Labels()["io.cri-containerd.image"], "managed") |
| 116 | + |
| 117 | + t.Logf("the image id should be created and managed") |
| 118 | + imgByID, err := containerdClient.GetImage(ctx, id) |
| 119 | + assert.NoError(t, err) |
| 120 | + assert.Equal(t, imgByID.Labels()["io.cri-containerd.image"], "managed") |
| 121 | + |
| 122 | + t.Logf("should be able to start container with the image") |
| 123 | + sbConfig := PodSandboxConfig("sandbox", "containerd-image") |
| 124 | + sb, err := runtimeService.RunPodSandbox(sbConfig) |
| 125 | + require.NoError(t, err) |
| 126 | + defer func() { |
| 127 | + assert.NoError(t, runtimeService.StopPodSandbox(sb)) |
| 128 | + assert.NoError(t, runtimeService.RemovePodSandbox(sb)) |
| 129 | + }() |
| 130 | + |
| 131 | + cnConfig := ContainerConfig( |
| 132 | + "test-container", |
| 133 | + id, |
| 134 | + WithCommand("top"), |
| 135 | + ) |
| 136 | + cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig) |
| 137 | + require.NoError(t, err) |
| 138 | + require.NoError(t, runtimeService.StartContainer(cn)) |
| 139 | + checkContainer := func() (bool, error) { |
| 140 | + s, err := runtimeService.ContainerStatus(cn) |
| 141 | + if err != nil { |
| 142 | + return false, err |
| 143 | + } |
| 144 | + return s.GetState() == runtime.ContainerState_CONTAINER_RUNNING, nil |
| 145 | + } |
| 146 | + require.NoError(t, Eventually(checkContainer, 100*time.Millisecond, 10*time.Second)) |
| 147 | + require.NoError(t, Consistently(checkContainer, 100*time.Millisecond, time.Second)) |
| 148 | +} |
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