229 lines
7.4 KiB
Go
229 lines
7.4 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package server
|
|
|
|
import (
|
|
"errors"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/containerd/containerd/api/services/containers"
|
|
snapshotapi "github.com/containerd/containerd/api/services/snapshot"
|
|
"github.com/containerd/containerd/api/types/mount"
|
|
"github.com/stretchr/testify/assert"
|
|
"golang.org/x/net/context"
|
|
"k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
|
|
|
|
ostesting "github.com/kubernetes-incubator/cri-containerd/pkg/os/testing"
|
|
servertesting "github.com/kubernetes-incubator/cri-containerd/pkg/server/testing"
|
|
"github.com/kubernetes-incubator/cri-containerd/pkg/store"
|
|
containerstore "github.com/kubernetes-incubator/cri-containerd/pkg/store/container"
|
|
)
|
|
|
|
// TestSetContainerRemoving tests setContainerRemoving sets removing
|
|
// state correctly.
|
|
func TestSetContainerRemoving(t *testing.T) {
|
|
testID := "test-id"
|
|
for desc, test := range map[string]struct {
|
|
status containerstore.Status
|
|
expectErr bool
|
|
}{
|
|
"should return error when container is in running state": {
|
|
status: containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
},
|
|
expectErr: true,
|
|
},
|
|
"should return error when container is in removing state": {
|
|
status: containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
FinishedAt: time.Now().UnixNano(),
|
|
Removing: true,
|
|
},
|
|
expectErr: true,
|
|
},
|
|
"should not return error when container is not running and removing": {
|
|
status: containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
FinishedAt: time.Now().UnixNano(),
|
|
},
|
|
expectErr: false,
|
|
},
|
|
} {
|
|
t.Logf("TestCase %q", desc)
|
|
container, err := containerstore.NewContainer(
|
|
containerstore.Metadata{ID: testID},
|
|
test.status,
|
|
)
|
|
assert.NoError(t, err)
|
|
err = setContainerRemoving(container)
|
|
if test.expectErr {
|
|
assert.Error(t, err)
|
|
assert.Equal(t, test.status, container.Status.Get(), "metadata should not be updated")
|
|
} else {
|
|
assert.NoError(t, err)
|
|
assert.True(t, container.Status.Get().Removing, "removing should be set")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRemoveContainer(t *testing.T) {
|
|
testID := "test-id"
|
|
testName := "test-name"
|
|
testContainerStatus := &containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
FinishedAt: time.Now().UnixNano(),
|
|
}
|
|
|
|
for desc, test := range map[string]struct {
|
|
status *containerstore.Status
|
|
removeSnapshotErr error
|
|
deleteContainerErr error
|
|
removeDirErr error
|
|
expectErr bool
|
|
expectUnsetRemoving bool
|
|
}{
|
|
"should return error when container is still running": {
|
|
status: &containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
},
|
|
expectErr: true,
|
|
},
|
|
"should return error when there is ongoing removing": {
|
|
status: &containerstore.Status{
|
|
CreatedAt: time.Now().UnixNano(),
|
|
StartedAt: time.Now().UnixNano(),
|
|
FinishedAt: time.Now().UnixNano(),
|
|
Removing: true,
|
|
},
|
|
expectErr: true,
|
|
},
|
|
"should not return error if container does not exist": {
|
|
status: nil,
|
|
removeSnapshotErr: servertesting.SnapshotNotExistError,
|
|
deleteContainerErr: servertesting.ContainerNotExistError,
|
|
expectErr: false,
|
|
},
|
|
"should not return error if snapshot does not exist": {
|
|
status: testContainerStatus,
|
|
removeSnapshotErr: servertesting.SnapshotNotExistError,
|
|
expectErr: false,
|
|
},
|
|
"should return error if remove snapshot fails": {
|
|
status: testContainerStatus,
|
|
removeSnapshotErr: errors.New("random error"),
|
|
expectErr: true,
|
|
},
|
|
"should not return error if containerd container does not exist": {
|
|
status: testContainerStatus,
|
|
deleteContainerErr: servertesting.ContainerNotExistError,
|
|
expectErr: false,
|
|
},
|
|
"should return error if delete containerd container fails": {
|
|
status: testContainerStatus,
|
|
deleteContainerErr: errors.New("random error"),
|
|
expectErr: true,
|
|
},
|
|
"should return error if remove container root fails": {
|
|
status: testContainerStatus,
|
|
removeDirErr: errors.New("random error"),
|
|
expectErr: true,
|
|
expectUnsetRemoving: true,
|
|
},
|
|
"should be able to remove container successfully": {
|
|
status: testContainerStatus,
|
|
expectErr: false,
|
|
},
|
|
} {
|
|
t.Logf("TestCase %q", desc)
|
|
c := newTestCRIContainerdService()
|
|
fake := c.containerService.(*servertesting.FakeContainersClient)
|
|
fakeSnapshotClient := WithFakeSnapshotClient(c)
|
|
fakeOS := c.os.(*ostesting.FakeOS)
|
|
if test.status != nil {
|
|
assert.NoError(t, c.containerNameIndex.Reserve(testName, testID))
|
|
container, err := containerstore.NewContainer(
|
|
containerstore.Metadata{ID: testID},
|
|
*test.status,
|
|
)
|
|
assert.NoError(t, err)
|
|
assert.NoError(t, c.containerStore.Add(container))
|
|
}
|
|
fakeOS.RemoveAllFn = func(path string) error {
|
|
assert.Equal(t, getContainerRootDir(c.rootDir, testID), path)
|
|
return test.removeDirErr
|
|
}
|
|
if test.removeSnapshotErr == nil {
|
|
fakeSnapshotClient.SetFakeMounts(testID, []*mount.Mount{
|
|
{
|
|
Type: "bind",
|
|
Source: "/test/source",
|
|
Target: "/test/target",
|
|
},
|
|
})
|
|
} else {
|
|
fakeSnapshotClient.InjectError("remove", test.removeSnapshotErr)
|
|
}
|
|
if test.deleteContainerErr == nil {
|
|
_, err := fake.Create(context.Background(), &containers.CreateContainerRequest{
|
|
Container: containers.Container{ID: testID},
|
|
})
|
|
assert.NoError(t, err)
|
|
} else {
|
|
fake.InjectError("delete", test.deleteContainerErr)
|
|
}
|
|
resp, err := c.RemoveContainer(context.Background(), &runtime.RemoveContainerRequest{
|
|
ContainerId: testID,
|
|
})
|
|
if test.expectErr {
|
|
assert.Error(t, err)
|
|
assert.Nil(t, resp)
|
|
if !test.expectUnsetRemoving {
|
|
continue
|
|
}
|
|
container, err := c.containerStore.Get(testID)
|
|
assert.NoError(t, err)
|
|
// Also covers resetContainerRemoving.
|
|
assert.False(t, container.Status.Get().Removing, "removing state should be unset")
|
|
continue
|
|
}
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, resp)
|
|
_, err = c.containerStore.Get(testID)
|
|
assert.Equal(t, store.ErrNotExist, err)
|
|
assert.NoError(t, c.containerNameIndex.Reserve(testName, testID),
|
|
"container name should be released")
|
|
mountsResp, err := fakeSnapshotClient.Mounts(context.Background(), &snapshotapi.MountsRequest{Key: testID})
|
|
assert.Equal(t, servertesting.SnapshotNotExistError, err, "snapshot should be removed")
|
|
assert.Nil(t, mountsResp)
|
|
getResp, err := fake.Get(context.Background(), &containers.GetContainerRequest{ID: testID})
|
|
assert.Equal(t, servertesting.ContainerNotExistError, err, "containerd container should be removed")
|
|
assert.Nil(t, getResp)
|
|
|
|
resp, err = c.RemoveContainer(context.Background(), &runtime.RemoveContainerRequest{
|
|
ContainerId: testID,
|
|
})
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, resp, "remove should be idempotent")
|
|
}
|
|
}
|