func newTestDockerManager() (*dockertools.DockerManager, *dockertools.FakeDockerClient) {
fakeDocker := &dockertools.FakeDockerClient{VersionInfo: docker.Env{"Version=1.1.3", "ApiVersion=1.15"}, Errors: make(map[string]error), RemovedImages: sets.String{}}
fakeRecorder := &record.FakeRecorder{}
readinessManager := kubecontainer.NewReadinessManager()
containerRefManager := kubecontainer.NewRefManager()
networkPlugin, _ := network.InitNetworkPlugin([]network.NetworkPlugin{}, "", network.NewFakeHost(nil))
dockerManager := dockertools.NewFakeDockerManager(
fakeDocker,
fakeRecorder,
readinessManager,
containerRefManager,
&cadvisorApi.MachineInfo{},
dockertools.PodInfraContainerImage,
0, 0, "",
kubecontainer.FakeOS{},
networkPlugin,
nil,
nil)
return dockerManager, fakeDocker
}
func createFakeRuntimeCache(fakeRecorder *record.FakeRecorder) kubecontainer.RuntimeCache {
fakeDocker := &dockertools.FakeDockerClient{}
np, _ := network.InitNetworkPlugin([]network.NetworkPlugin{}, "", network.NewFakeHost(nil))
dockerManager := dockertools.NewFakeDockerManager(fakeDocker, fakeRecorder, nil, nil, &cadvisorApi.MachineInfo{}, dockertools.PodInfraContainerImage, 0, 0, "", kubecontainer.FakeOS{}, np, nil, nil)
return kubecontainer.NewFakeRuntimeCache(dockerManager)
}
// TestFakePodWorkers verifies that the fakePodWorkers behaves the same way as the real podWorkers
// for their invocation of the syncPodFn.
func TestFakePodWorkers(t *testing.T) {
// Create components for pod workers.
fakeDocker := &dockertools.FakeDockerClient{}
fakeRecorder := &record.FakeRecorder{}
np, _ := network.InitNetworkPlugin([]network.NetworkPlugin{}, "", network.NewFakeHost(nil))
dockerManager := dockertools.NewFakeDockerManager(fakeDocker, fakeRecorder, nil, nil, &cadvisorApi.MachineInfo{}, dockertools.PodInfraContainerImage, 0, 0, "", kubecontainer.FakeOS{}, np, nil, nil)
fakeRuntimeCache := kubecontainer.NewFakeRuntimeCache(dockerManager)
kubeletForRealWorkers := &simpleFakeKubelet{}
kubeletForFakeWorkers := &simpleFakeKubelet{}
realPodWorkers := newPodWorkers(fakeRuntimeCache, kubeletForRealWorkers.syncPodWithWaitGroup, fakeRecorder)
fakePodWorkers := &fakePodWorkers{kubeletForFakeWorkers.syncPod, fakeRuntimeCache, t}
tests := []struct {
pod *api.Pod
mirrorPod *api.Pod
containerList []docker.APIContainers
containersInRunningPod int
}{
{
&api.Pod{},
&api.Pod{},
[]docker.APIContainers{},
0,
},
{
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "fooContainer",
},
},
},
},
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "12345678",
Name: "fooMirror",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "fooContainerMirror",
},
},
},
},
[]docker.APIContainers{
{
// format is // k8s_<container-id>_<pod-fullname>_<pod-uid>_<random>
Names: []string{"/k8s_bar.hash123_foo_new_12345678_0"},
ID: "1234",
},
{
// pod infra container
Names: []string{"/k8s_POD.hash123_foo_new_12345678_0"},
ID: "9876",
},
},
2,
},
{
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "98765",
Name: "bar",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "fooContainer",
},
},
},
},
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "98765",
Name: "fooMirror",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "fooContainerMirror",
},
},
},
},
[]docker.APIContainers{
{
// format is // k8s_<container-id>_<pod-fullname>_<pod-uid>_<random>
Names: []string{"/k8s_bar.hash123_bar_new_98765_0"},
ID: "1234",
},
{
// pod infra container
Names: []string{"/k8s_POD.hash123_foo_new_12345678_0"},
ID: "9876",
},
},
1,
},
// Empty running pod.
{
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "98765",
Name: "baz",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "bazContainer",
},
},
},
},
&api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "98765",
Name: "bazMirror",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "bazContainerMirror",
},
},
},
},
[]docker.APIContainers{
{
// format is // k8s_<container-id>_<pod-fullname>_<pod-uid>_<random>
Names: []string{"/k8s_bar.hash123_bar_new_12345678_0"},
ID: "1234",
},
{
// pod infra container
Names: []string{"/k8s_POD.hash123_foo_new_12345678_0"},
ID: "9876",
},
},
0,
},
}
for i, tt := range tests {
kubeletForRealWorkers.wg.Add(1)
fakeDocker.ContainerList = tt.containerList
realPodWorkers.UpdatePod(tt.pod, tt.mirrorPod, func() {})
fakePodWorkers.UpdatePod(tt.pod, tt.mirrorPod, func() {})
kubeletForRealWorkers.wg.Wait()
if !reflect.DeepEqual(kubeletForRealWorkers.pod, kubeletForFakeWorkers.pod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, kubeletForRealWorkers.pod, kubeletForFakeWorkers.pod)
}
if !reflect.DeepEqual(kubeletForRealWorkers.mirrorPod, kubeletForFakeWorkers.mirrorPod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, kubeletForRealWorkers.mirrorPod, kubeletForFakeWorkers.mirrorPod)
}
if tt.containersInRunningPod != len(kubeletForFakeWorkers.runningPod.Containers) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, tt.containersInRunningPod, len(kubeletForFakeWorkers.runningPod.Containers))
}
sort.Sort(byContainerName(kubeletForRealWorkers.runningPod))
sort.Sort(byContainerName(kubeletForFakeWorkers.runningPod))
if !reflect.DeepEqual(kubeletForRealWorkers.runningPod, kubeletForFakeWorkers.runningPod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, kubeletForRealWorkers.runningPod, kubeletForFakeWorkers.runningPod)
}
}
}