5ad6f34329
Before snapshotter per runtime, CRI only supports a global snapshotter. So a snapshot can be uniquely identified by `snapshot_key`. With snapshotter per runtime enabled, there may be multiple snapshotters used by CRI. So only (snapshotter_id, snapshot_key) can uniquely identify a snapshot. Also extends CRI/store/snapshot/Store to support multiple snapshotters. Signed-off-by: Jiang Liu <gerry@linux.alibaba.com>
298 lines
8.8 KiB
Go
298 lines
8.8 KiB
Go
/*
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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 server
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import (
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"context"
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"errors"
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"testing"
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"time"
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criconfig "github.com/containerd/containerd/pkg/cri/config"
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snapshotstore "github.com/containerd/containerd/pkg/cri/store/snapshot"
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"github.com/stretchr/testify/assert"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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containerstore "github.com/containerd/containerd/pkg/cri/store/container"
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imagestore "github.com/containerd/containerd/pkg/cri/store/image"
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)
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func getContainerStatusTestData() (*containerstore.Metadata, *containerstore.Status,
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*imagestore.Image, *runtime.ContainerStatus) {
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imageID := "sha256:1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
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testID := "test-id"
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config := &runtime.ContainerConfig{
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Metadata: &runtime.ContainerMetadata{
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Name: "test-name",
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Attempt: 1,
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},
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Image: &runtime.ImageSpec{Image: "test-image"},
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Mounts: []*runtime.Mount{{
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ContainerPath: "test-container-path",
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HostPath: "test-host-path",
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}},
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Labels: map[string]string{"a": "b"},
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Annotations: map[string]string{"c": "d"},
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}
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createdAt := time.Now().UnixNano()
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metadata := &containerstore.Metadata{
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ID: testID,
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Name: "test-long-name",
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SandboxID: "test-sandbox-id",
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Config: config,
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ImageRef: imageID,
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LogPath: "test-log-path",
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}
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status := &containerstore.Status{
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Pid: 1234,
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CreatedAt: createdAt,
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}
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image := &imagestore.Image{
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ID: imageID,
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References: []string{
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"gcr.io/library/busybox:latest",
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"gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
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},
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}
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expected := &runtime.ContainerStatus{
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Id: testID,
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Metadata: config.GetMetadata(),
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State: runtime.ContainerState_CONTAINER_CREATED,
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CreatedAt: createdAt,
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Image: &runtime.ImageSpec{Image: "gcr.io/library/busybox:latest"},
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ImageRef: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
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Reason: completeExitReason,
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Labels: config.GetLabels(),
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Annotations: config.GetAnnotations(),
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Mounts: config.GetMounts(),
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LogPath: "test-log-path",
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}
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return metadata, status, image, expected
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}
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func TestToCRIContainerStatus(t *testing.T) {
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for _, test := range []struct {
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desc string
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startedAt int64
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finishedAt int64
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exitCode int32
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reason string
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message string
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expectedState runtime.ContainerState
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expectedReason string
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}{
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{
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desc: "container created",
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expectedState: runtime.ContainerState_CONTAINER_CREATED,
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},
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{
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desc: "container running",
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startedAt: time.Now().UnixNano(),
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expectedState: runtime.ContainerState_CONTAINER_RUNNING,
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},
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{
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desc: "container exited with reason",
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startedAt: time.Now().UnixNano(),
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finishedAt: time.Now().UnixNano(),
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exitCode: 1,
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reason: "test-reason",
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message: "test-message",
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expectedState: runtime.ContainerState_CONTAINER_EXITED,
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expectedReason: "test-reason",
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},
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{
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desc: "container exited with exit code 0 without reason",
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startedAt: time.Now().UnixNano(),
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finishedAt: time.Now().UnixNano(),
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exitCode: 0,
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message: "test-message",
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expectedState: runtime.ContainerState_CONTAINER_EXITED,
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expectedReason: completeExitReason,
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},
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{
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desc: "container exited with non-zero exit code without reason",
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startedAt: time.Now().UnixNano(),
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finishedAt: time.Now().UnixNano(),
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exitCode: 1,
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message: "test-message",
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expectedState: runtime.ContainerState_CONTAINER_EXITED,
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expectedReason: errorExitReason,
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},
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} {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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metadata, status, _, expected := getContainerStatusTestData()
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// Update status with test case.
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status.StartedAt = test.startedAt
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status.FinishedAt = test.finishedAt
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status.ExitCode = test.exitCode
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status.Reason = test.reason
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status.Message = test.message
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container, err := containerstore.NewContainer(
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*metadata,
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containerstore.WithFakeStatus(*status),
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)
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assert.NoError(t, err)
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// Set expectation based on test case.
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expected.Reason = test.expectedReason
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expected.StartedAt = test.startedAt
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expected.FinishedAt = test.finishedAt
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expected.ExitCode = test.exitCode
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expected.Message = test.message
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patchExceptedWithState(expected, test.expectedState)
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containerStatus := toCRIContainerStatus(container,
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expected.Image,
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expected.ImageRef)
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assert.Equal(t, expected, containerStatus, test.desc)
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})
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}
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}
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// TODO(mikebrow): add a fake containerd container.Container.Spec client api so we can test verbose is true option
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func TestToCRIContainerInfo(t *testing.T) {
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metadata, status, _, _ := getContainerStatusTestData()
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container, err := containerstore.NewContainer(
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*metadata,
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containerstore.WithFakeStatus(*status),
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)
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assert.NoError(t, err)
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info, err := toCRIContainerInfo(context.Background(),
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container,
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false)
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assert.NoError(t, err)
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assert.Nil(t, info)
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}
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func TestContainerStatus(t *testing.T) {
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for _, test := range []struct {
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desc string
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exist bool
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imageExist bool
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startedAt int64
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finishedAt int64
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reason string
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expectedState runtime.ContainerState
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expectErr bool
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}{
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{
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desc: "container created",
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exist: true,
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imageExist: true,
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expectedState: runtime.ContainerState_CONTAINER_CREATED,
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},
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{
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desc: "container running",
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exist: true,
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imageExist: true,
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startedAt: time.Now().UnixNano(),
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expectedState: runtime.ContainerState_CONTAINER_RUNNING,
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},
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{
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desc: "container exited",
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exist: true,
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imageExist: true,
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startedAt: time.Now().UnixNano(),
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finishedAt: time.Now().UnixNano(),
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reason: "test-reason",
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expectedState: runtime.ContainerState_CONTAINER_EXITED,
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},
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{
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desc: "container not exist",
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exist: false,
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imageExist: true,
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expectErr: true,
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},
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{
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desc: "image not exist",
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exist: false,
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imageExist: false,
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expectErr: true,
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},
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} {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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c := newTestCRIService()
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metadata, status, image, expected := getContainerStatusTestData()
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// Update status with test case.
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status.StartedAt = test.startedAt
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status.FinishedAt = test.finishedAt
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status.Reason = test.reason
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container, err := containerstore.NewContainer(
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*metadata,
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containerstore.WithFakeStatus(*status),
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)
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assert.NoError(t, err)
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if test.exist {
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assert.NoError(t, c.containerStore.Add(container))
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}
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if test.imageExist {
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imageStore, err := imagestore.NewFakeStore([]imagestore.Image{*image})
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assert.NoError(t, err)
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c.imageService = &fakeImageService{imageStore: imageStore}
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}
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resp, err := c.ContainerStatus(context.Background(), &runtime.ContainerStatusRequest{ContainerId: container.ID})
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if test.expectErr {
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assert.Error(t, err)
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assert.Nil(t, resp)
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return
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}
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// Set expectation based on test case.
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expected.StartedAt = test.startedAt
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expected.FinishedAt = test.finishedAt
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expected.Reason = test.reason
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patchExceptedWithState(expected, test.expectedState)
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assert.Equal(t, expected, resp.GetStatus())
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})
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}
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}
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type fakeImageService struct {
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runtime.ImageServiceServer
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imageStore *imagestore.Store
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}
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func (s *fakeImageService) RuntimeSnapshotter(ctx context.Context, ociRuntime criconfig.Runtime) string {
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return ""
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}
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func (s *fakeImageService) UpdateImage(ctx context.Context, r string) error { return nil }
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func (s *fakeImageService) GetImage(id string) (imagestore.Image, error) { return s.imageStore.Get(id) }
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func (s *fakeImageService) GetSnapshot(key, snapshotter string) (snapshotstore.Snapshot, error) {
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return snapshotstore.Snapshot{}, errors.New("not implemented")
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}
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func (s *fakeImageService) LocalResolve(refOrID string) (imagestore.Image, error) {
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return imagestore.Image{}, errors.New("not implemented")
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}
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func patchExceptedWithState(expected *runtime.ContainerStatus, state runtime.ContainerState) {
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expected.State = state
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switch state {
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case runtime.ContainerState_CONTAINER_CREATED:
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expected.StartedAt, expected.FinishedAt = 0, 0
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case runtime.ContainerState_CONTAINER_RUNNING:
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expected.FinishedAt = 0
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}
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}
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