func createFakeRuntimeCache(fakeRecorder *record.FakeRecorder) qingcontainer.RuntimeCache {
fakeDocker := &dockertools.FakeDockerClient{}
np, _ := network.InitNetworkPlugin([]network.NetworkPlugin{}, "", network.NewFakeHost(nil))
dockerManager := dockertools.NewFakeDockerManager(fakeDocker, fakeRecorder, nil, nil, dockertools.PodInfraContainerImage, 0, 0, "", qingcontainer.FakeOS{}, np, nil, nil, newQingletRuntimeHooks(fakeRecorder))
return qingcontainer.NewFakeRuntimeCache(dockerManager)
}
func TestRunOnce(t *testing.T) {
cadvisor := &cadvisor.Mock{}
cadvisor.On("MachineInfo").Return(&cadvisorApi.MachineInfo{}, nil)
podManager, _ := newFakePodManager()
kb := &Qinglet{
rootDirectory: "/tmp/qinglet",
recorder: &record.FakeRecorder{},
cadvisor: cadvisor,
nodeLister: testNodeLister{},
statusManager: newStatusManager(nil),
containerRefManager: qingcontainer.NewRefManager(),
readinessManager: qingcontainer.NewReadinessManager(),
podManager: podManager,
os: qingcontainer.FakeOS{},
volumeManager: newVolumeManager(),
}
kb.containerManager, _ = newContainerManager(cadvisor, "", "", "")
kb.networkPlugin, _ = network.InitNetworkPlugin([]network.NetworkPlugin{}, "", network.NewFakeHost(nil))
if err := kb.setupDataDirs(); err != nil {
t.Errorf("Failed to init data dirs: %v", err)
}
podContainers := []docker.APIContainers{
{
Names: []string{"/k8s_bar." + strconv.FormatUint(qingcontainer.HashContainer(&api.Container{Name: "bar"}), 16) + "_foo_new_12345678_42"},
ID: "1234",
Status: "running",
},
{
Names: []string{"/k8s_net_foo.new.test_abcdefgh_42"},
ID: "9876",
Status: "running",
},
}
kb.dockerClient = &testDocker{
listContainersResults: []listContainersResult{
{label: "list pod container", containers: []docker.APIContainers{}},
{label: "syncPod", containers: []docker.APIContainers{}},
{label: "list pod container", containers: []docker.APIContainers{}},
{label: "syncPod", containers: podContainers},
{label: "list pod container", containers: podContainers},
{label: "list pod container", containers: podContainers},
},
inspectContainersResults: []inspectContainersResult{
{
label: "syncPod",
container: docker.Container{
Config: &docker.Config{Image: "someimage"},
State: docker.State{Running: true, Pid: 42},
},
},
{
label: "syncPod",
container: docker.Container{
Config: &docker.Config{Image: "someimage"},
State: docker.State{Running: true, Pid: 42},
},
},
{
label: "syncPod",
container: docker.Container{
Config: &docker.Config{Image: "someimage"},
State: docker.State{Running: true, Pid: 42},
},
},
{
label: "syncPod",
container: docker.Container{
Config: &docker.Config{Image: "someimage"},
State: docker.State{Running: true, Pid: 42},
},
},
},
t: t,
}
kb.containerRuntime = dockertools.NewFakeDockerManager(
kb.dockerClient,
kb.recorder,
kb.readinessManager,
kb.containerRefManager,
dockertools.PodInfraContainerImage,
0,
0,
"",
qingcontainer.FakeOS{},
kb.networkPlugin,
kb,
nil,
newQingletRuntimeHooks(kb.recorder))
pods := []*api.Pod{
{
ObjectMeta: api.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{Name: "bar"},
},
},
},
}
podManager.SetPods(pods)
results, err := kb.runOnce(pods, time.Millisecond)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if results[0].Err != nil {
t.Errorf("unexpected run pod error: %v", results[0].Err)
}
if results[0].Pod.Name != "foo" {
t.Errorf("unexpected pod: %q", results[0].Pod.Name)
}
}
// 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, dockertools.PodInfraContainerImage, 0, 0, "", qingcontainer.FakeOS{}, np, nil, nil, newQingletRuntimeHooks(fakeRecorder))
fakeRuntimeCache := qingcontainer.NewFakeRuntimeCache(dockerManager)
qingletForRealWorkers := &simpleFakeQinglet{}
qingletForFakeWorkers := &simpleFakeQinglet{}
realPodWorkers := newPodWorkers(fakeRuntimeCache, qingletForRealWorkers.syncPodWithWaitGroup, fakeRecorder)
fakePodWorkers := &fakePodWorkers{qingletForFakeWorkers.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 {
qingletForRealWorkers.wg.Add(1)
fakeDocker.ContainerList = tt.containerList
realPodWorkers.UpdatePod(tt.pod, tt.mirrorPod, func() {})
fakePodWorkers.UpdatePod(tt.pod, tt.mirrorPod, func() {})
qingletForRealWorkers.wg.Wait()
if !reflect.DeepEqual(qingletForRealWorkers.pod, qingletForFakeWorkers.pod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, qingletForRealWorkers.pod, qingletForFakeWorkers.pod)
}
if !reflect.DeepEqual(qingletForRealWorkers.mirrorPod, qingletForFakeWorkers.mirrorPod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, qingletForRealWorkers.mirrorPod, qingletForFakeWorkers.mirrorPod)
}
if tt.containersInRunningPod != len(qingletForFakeWorkers.runningPod.Containers) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, tt.containersInRunningPod, len(qingletForFakeWorkers.runningPod.Containers))
}
sort.Sort(byContainerName(qingletForRealWorkers.runningPod))
sort.Sort(byContainerName(qingletForFakeWorkers.runningPod))
if !reflect.DeepEqual(qingletForRealWorkers.runningPod, qingletForFakeWorkers.runningPod) {
t.Errorf("%d: Expected: %#v, Actual: %#v", i, qingletForRealWorkers.runningPod, qingletForFakeWorkers.runningPod)
}
}
}