// mockREST mocks a DeploymentLog REST
func mockREST(version, desired int, endStatus api.DeploymentStatus) *REST {
// Fake deploymentConfig
config := deploytest.OkDeploymentConfig(version)
fakeDn := testclient.NewSimpleFake(config)
fakeDn.PrependReactor("get", "deploymentconfigs", func(action ktestclient.Action) (handled bool, ret runtime.Object, err error) {
return true, config, nil
})
// Fake deployments
fakeDeployments := makeDeploymentList(version)
fakeRn := ktestclient.NewSimpleFake(fakeDeployments)
fakeRn.PrependReactor("get", "replicationcontrollers", func(action ktestclient.Action) (handled bool, ret runtime.Object, err error) {
return true, &fakeDeployments.Items[desired-1], nil
})
// Fake watcher for deployments
fakeWatch := watch.NewFake()
fakeRn.PrependWatchReactor("replicationcontrollers", ktestclient.DefaultWatchReactor(fakeWatch, nil))
// Everything is fake
connectionInfo := &kclient.HTTPKubeletClient{Config: &kclient.KubeletConfig{EnableHttps: true, Port: 12345}, Client: &http.Client{}}
obj := &fakeDeployments.Items[desired-1]
obj.Annotations[api.DeploymentStatusAnnotation] = string(endStatus)
go fakeWatch.Add(obj)
return &REST{
ConfigGetter: fakeDn,
DeploymentGetter: fakeRn,
PodGetter: &deployerPodGetter{},
ConnectionInfo: connectionInfo,
Timeout: defaultTimeout,
}
}
func TestReflectorResync(t *testing.T) {
iteration := 0
stopCh := make(chan struct{})
s := &FakeCustomStore{
ResyncFunc: func() error {
iteration++
if iteration == 2 {
close(stopCh)
}
return nil
},
}
lw := &testLW{
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
fw := watch.NewFake()
return fw, nil
},
ListFunc: func() (runtime.Object, error) {
return &api.PodList{ListMeta: unversioned.ListMeta{ResourceVersion: "0"}}, nil
},
}
resyncPeriod := 1 * time.Millisecond
r := NewReflector(lw, &api.Pod{}, s, resyncPeriod)
r.ListAndWatch(stopCh)
if iteration != 2 {
t.Errorf("exactly 2 iterations were expected, got: %v", iteration)
}
}
func TestReflectorForWatchCache(t *testing.T) {
store := newWatchCache(5)
{
_, version := store.ListWithVersion()
if version != 0 {
t.Errorf("unexpected resource version: %d", version)
}
}
lw := &testLW{
WatchFunc: func(rv string) (watch.Interface, error) {
fw := watch.NewFake()
go fw.Stop()
return fw, nil
},
ListFunc: func() (runtime.Object, error) {
return &api.PodList{ListMeta: unversioned.ListMeta{ResourceVersion: "10"}}, nil
},
}
r := cache.NewReflector(lw, &api.Pod{}, store, 0)
r.ListAndWatch(util.NeverStop)
{
_, version := store.ListWithVersion()
if version != 10 {
t.Errorf("unexpected resource version: %d", version)
}
}
}
func TestRunUntil(t *testing.T) {
stopCh := make(chan struct{})
store := NewStore(MetaNamespaceKeyFunc)
r := NewReflector(&testLW{}, &api.Pod{}, store, 0)
fw := watch.NewFake()
r.listerWatcher = &testLW{
WatchFunc: func(rv string) (watch.Interface, error) {
return fw, nil
},
ListFunc: func() (runtime.Object, error) {
return &api.PodList{ListMeta: unversioned.ListMeta{ResourceVersion: "1"}}, nil
},
}
r.RunUntil(stopCh)
// Synchronously add a dummy pod into the watch channel so we
// know the RunUntil go routine is in the watch handler.
fw.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "bar"}})
stopCh <- struct{}{}
select {
case _, ok := <-fw.ResultChan():
if ok {
t.Errorf("Watch channel left open after stopping the watch")
}
case <-time.After(util.ForeverTestTimeout):
t.Errorf("the cancellation is at least %s late", util.ForeverTestTimeout.String())
break
}
}
func TestDecoratedWatcher(t *testing.T) {
w := watch.NewFake()
decorator := func(obj runtime.Object) error {
pod := obj.(*api.Pod)
pod.Annotations = map[string]string{"decorated": "true"}
return nil
}
dw := newDecoratedWatcher(w, decorator)
defer dw.Stop()
go w.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}})
select {
case e := <-dw.ResultChan():
pod, ok := e.Object.(*api.Pod)
if !ok {
t.Errorf("Should received object of type *api.Pod, get type (%T)", e.Object)
return
}
if pod.Annotations["decorated"] != "true" {
t.Errorf("pod.Annotations[\"decorated\"], want=%s, get=%s", "true", pod.Labels["decorated"])
}
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("timeout after %v", wait.ForeverTestTimeout)
}
}
func TestReflectorResync(t *testing.T) {
iteration := 0
stopCh := make(chan struct{})
rerr := errors.New("expected resync reached")
s := &FakeCustomStore{
ResyncFunc: func() error {
iteration++
if iteration == 2 {
return rerr
}
return nil
},
}
lw := &testLW{
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
fw := watch.NewFake()
return fw, nil
},
ListFunc: func() (runtime.Object, error) {
return &api.PodList{ListMeta: unversioned.ListMeta{ResourceVersion: "0"}}, nil
},
}
resyncPeriod := 1 * time.Millisecond
r := NewReflector(lw, &api.Pod{}, s, resyncPeriod)
if err := r.ListAndWatch(stopCh); err != nil {
// error from Resync is not propaged up to here.
t.Errorf("expected error %v", err)
}
if iteration != 2 {
t.Errorf("exactly 2 iterations were expected, got: %v", iteration)
}
}
func controllerSetup(startingObjects []runtime.Object, stopChannel chan struct{}, t *testing.T) ( /*caName*/ string, *fake.Clientset, *watch.FakeWatcher, *ServiceServingCertController) {
certDir, err := ioutil.TempDir("", "serving-cert-unit-")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
caInfo := admin.DefaultServiceSignerCAInfo(certDir)
caOptions := admin.CreateSignerCertOptions{
CertFile: caInfo.CertFile,
KeyFile: caInfo.KeyFile,
Name: admin.DefaultServiceServingCertSignerName(),
Output: ioutil.Discard,
}
ca, err := caOptions.CreateSignerCert()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
kubeclient := fake.NewSimpleClientset(startingObjects...)
fakeWatch := watch.NewFake()
kubeclient.PrependReactor("create", "*", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, action.(core.CreateAction).GetObject(), nil
})
kubeclient.PrependReactor("update", "*", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, action.(core.UpdateAction).GetObject(), nil
})
kubeclient.PrependWatchReactor("*", core.DefaultWatchReactor(fakeWatch, nil))
controller := NewServiceServingCertController(kubeclient.Core(), kubeclient.Core(), ca, "cluster.local", 10*time.Minute)
return caOptions.Name, kubeclient, fakeWatch, controller
}
func TestWatchHTTPTimeout(t *testing.T) {
watcher := watch.NewFake()
timeoutCh := make(chan time.Time)
done := make(chan struct{})
// Setup a new watchserver
watchServer := &WatchServer{
watching: watcher,
mediaType: "testcase/json",
encoder: newCodec,
embeddedEncoder: newCodec,
fixup: func(obj runtime.Object) {},
t: &fakeTimeoutFactory{timeoutCh, done},
}
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
watchServer.ServeHTTP(w, req)
}))
// TODO: Uncomment when fix #19254
// defer s.Close()
// Setup a client
dest, _ := url.Parse(s.URL)
dest.Path = "/" + prefix + "/" + newGroupVersion.Group + "/" + newGroupVersion.Version + "/simple"
dest.RawQuery = "watch=true"
req, _ := http.NewRequest("GET", dest.String(), nil)
client := http.Client{}
resp, err := client.Do(req)
watcher.Add(&apiservertesting.Simple{TypeMeta: unversioned.TypeMeta{APIVersion: newGroupVersion.String()}})
// Make sure we can actually watch an endpoint
decoder := json.NewDecoder(resp.Body)
var got watchJSON
err = decoder.Decode(&got)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Timeout and check for leaks
close(timeoutCh)
select {
case <-done:
if !watcher.Stopped {
t.Errorf("Leaked watch on timeout")
}
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("Failed to stop watcher after %s of timeout signal", wait.ForeverTestTimeout.String())
}
// Make sure we can't receive any more events through the timeout watch
err = decoder.Decode(&got)
if err != io.EOF {
t.Errorf("Unexpected non-error")
}
}
func TestReflectorListAndWatch(t *testing.T) {
createdFakes := make(chan *watch.FakeWatcher)
// The ListFunc says that it's at revision 1. Therefore, we expect our WatchFunc
// to get called at the beginning of the watch with 1, and again with 3 when we
// inject an error.
expectedRVs := []string{"1", "3"}
lw := &testLW{
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
rv := options.ResourceVersion
fw := watch.NewFake()
if e, a := expectedRVs[0], rv; e != a {
t.Errorf("Expected rv %v, but got %v", e, a)
}
expectedRVs = expectedRVs[1:]
// channel is not buffered because the for loop below needs to block. But
// we don't want to block here, so report the new fake via a go routine.
go func() { createdFakes <- fw }()
return fw, nil
},
ListFunc: func() (runtime.Object, error) {
return &api.PodList{ListMeta: unversioned.ListMeta{ResourceVersion: "1"}}, nil
},
}
s := NewFIFO(MetaNamespaceKeyFunc)
r := NewReflector(lw, &api.Pod{}, s, 0)
go r.ListAndWatch(wait.NeverStop)
ids := []string{"foo", "bar", "baz", "qux", "zoo"}
var fw *watch.FakeWatcher
for i, id := range ids {
if fw == nil {
fw = <-createdFakes
}
sendingRV := strconv.FormatUint(uint64(i+2), 10)
fw.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: id, ResourceVersion: sendingRV}})
if sendingRV == "3" {
// Inject a failure.
fw.Stop()
fw = nil
}
}
// Verify we received the right ids with the right resource versions.
for i, id := range ids {
pod := s.Pop().(*api.Pod)
if e, a := id, pod.Name; e != a {
t.Errorf("%v: Expected %v, got %v", i, e, a)
}
if e, a := strconv.FormatUint(uint64(i+2), 10), pod.ResourceVersion; e != a {
t.Errorf("%v: Expected %v, got %v", i, e, a)
}
}
if len(expectedRVs) != 0 {
t.Error("called watchStarter an unexpected number of times")
}
}
func CreateTestClient() *fake.Clientset {
fakeClient := &fake.Clientset{}
fakeClient.AddReactor("list", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
obj := &v1.PodList{}
podNamePrefix := "mypod"
namespace := "mynamespace"
for i := 0; i < 5; i++ {
podName := fmt.Sprintf("%s-%d", podNamePrefix, i)
pod := v1.Pod{
Status: v1.PodStatus{
Phase: v1.PodRunning,
},
ObjectMeta: v1.ObjectMeta{
Name: podName,
Namespace: namespace,
Labels: map[string]string{
"name": podName,
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "containerName",
Image: "containerImage",
VolumeMounts: []v1.VolumeMount{
{
Name: "volumeMountName",
ReadOnly: false,
MountPath: "/mnt",
},
},
},
},
Volumes: []v1.Volume{
{
Name: "volumeName",
VolumeSource: v1.VolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
PDName: "pdName",
FSType: "ext4",
ReadOnly: false,
},
},
},
},
},
}
obj.Items = append(obj.Items, pod)
}
return true, obj, nil
})
fakeWatch := watch.NewFake()
fakeClient.AddWatchReactor("*", core.DefaultWatchReactor(fakeWatch, nil))
return fakeClient
}
func TestReflectorWatchHandler(t *testing.T) {
s := NewStore(MetaNamespaceKeyFunc)
g := NewReflector(&testLW{}, &api.Pod{}, s, 0)
fw := watch.NewFake()
s.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}})
s.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "bar"}})
go func() {
fw.Add(&api.Service{ObjectMeta: api.ObjectMeta{Name: "rejected"}})
fw.Delete(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}})
fw.Modify(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "bar", ResourceVersion: "55"}})
fw.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "baz", ResourceVersion: "32"}})
fw.Stop()
}()
var resumeRV string
err := g.watchHandler(fw, &resumeRV, neverExitWatch, util.NeverStop)
if err != nil {
t.Errorf("unexpected error %v", err)
}
mkPod := func(id string, rv string) *api.Pod {
return &api.Pod{ObjectMeta: api.ObjectMeta{Name: id, ResourceVersion: rv}}
}
table := []struct {
Pod *api.Pod
exists bool
}{
{mkPod("foo", ""), false},
{mkPod("rejected", ""), false},
{mkPod("bar", "55"), true},
{mkPod("baz", "32"), true},
}
for _, item := range table {
obj, exists, _ := s.Get(item.Pod)
if e, a := item.exists, exists; e != a {
t.Errorf("%v: expected %v, got %v", item.Pod, e, a)
}
if !exists {
continue
}
if e, a := item.Pod.ResourceVersion, obj.(*api.Pod).ResourceVersion; e != a {
t.Errorf("%v: expected %v, got %v", item.Pod, e, a)
}
}
// RV should send the last version we see.
if e, a := "32", resumeRV; e != a {
t.Errorf("expected %v, got %v", e, a)
}
// last sync resource version should be the last version synced with store
if e, a := "32", g.LastSyncResourceVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
}
func TestReflectorStopWatch(t *testing.T) {
s := NewStore(MetaNamespaceKeyFunc)
g := NewReflector(&testLW{}, &api.Pod{}, s, 0)
fw := watch.NewFake()
var resumeRV string
stopWatch := make(chan struct{}, 1)
stopWatch <- struct{}{}
err := g.watchHandler(fw, &resumeRV, neverExitWatch, stopWatch)
if err != errorStopRequested {
t.Errorf("expected stop error, got %q", err)
}
}
func TestReflectorWatchHandlerTimeout(t *testing.T) {
s := NewStore(MetaNamespaceKeyFunc)
g := NewReflector(&testLW{}, &api.Pod{}, s, 0)
fw := watch.NewFake()
var resumeRV string
exit := make(chan time.Time, 1)
exit <- time.Now()
err := g.watchHandler(fw, &resumeRV, exit, util.NeverStop)
if err != errorResyncRequested {
t.Errorf("expected timeout error, but got %q", err)
}
}
func TestWatchHTTPTimeout(t *testing.T) {
watcher := watch.NewFake()
timeoutCh := make(chan time.Time)
done := make(chan struct{})
// Setup a new watchserver
watchServer := &WatchServer{
watcher,
newCodec,
func(obj runtime.Object) {},
&fakeTimeoutFactory{timeoutCh, done},
}
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
watchServer.ServeHTTP(w, req)
}))
defer s.Close()
// Setup a client
dest, _ := url.Parse(s.URL)
dest.Path = "/api/" + newVersion + "/simple"
dest.RawQuery = "watch=true"
req, _ := http.NewRequest("GET", dest.String(), nil)
client := http.Client{}
resp, err := client.Do(req)
watcher.Add(&Simple{TypeMeta: unversioned.TypeMeta{APIVersion: newVersion}})
// Make sure we can actually watch an endpoint
decoder := json.NewDecoder(resp.Body)
var got watchJSON
err = decoder.Decode(&got)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Timeout and check for leaks
close(timeoutCh)
select {
case <-done:
if !watcher.Stopped {
t.Errorf("Leaked watch on timeout")
}
case <-time.After(100 * time.Millisecond):
t.Errorf("Failed to stop watcher after 100ms of timeout signal")
}
// Make sure we can't receive any more events through the timeout watch
err = decoder.Decode(&got)
if err != io.EOF {
t.Errorf("Unexpected non-error")
}
}
func TestUpdatePods(t *testing.T) {
fakeWatch := watch.NewFake()
client := &testclient.Fake{}
client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
received := make(chan string)
manager.syncHandler = func(key string) error {
obj, exists, err := manager.rcStore.Store.GetByKey(key)
if !exists || err != nil {
t.Errorf("Expected to find controller under key %v", key)
}
received <- obj.(*api.ReplicationController).Name
return nil
}
stopCh := make(chan struct{})
defer close(stopCh)
go util.Until(manager.worker, 10*time.Millisecond, stopCh)
// Put 2 rcs and one pod into the controller's stores
testControllerSpec1 := newReplicationController(1)
manager.rcStore.Store.Add(testControllerSpec1)
testControllerSpec2 := *testControllerSpec1
testControllerSpec2.Spec.Selector = map[string]string{"bar": "foo"}
testControllerSpec2.Name = "barfoo"
manager.rcStore.Store.Add(&testControllerSpec2)
// Put one pod in the podStore
pod1 := newPodList(manager.podStore.Store, 1, api.PodRunning, testControllerSpec1).Items[0]
pod2 := pod1
pod2.Labels = testControllerSpec2.Spec.Selector
// Send an update of the same pod with modified labels, and confirm we get a sync request for
// both controllers
manager.updatePod(&pod1, &pod2)
expected := sets.NewString(testControllerSpec1.Name, testControllerSpec2.Name)
for _, name := range expected.List() {
t.Logf("Expecting update for %+v", name)
select {
case got := <-received:
if !expected.Has(got) {
t.Errorf("Expected keys %#v got %v", expected, got)
}
case <-time.After(util.ForeverTestTimeout):
t.Errorf("Expected update notifications for controllers within 100ms each")
}
}
}
func TestMutationDetector(t *testing.T) {
source := NewFakeControllerSource()
fakeWatch := watch.NewFake()
lw := &testLW{
WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
return fakeWatch, nil
},
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
return source.List(options)
},
}
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "anything",
Labels: map[string]string{"check": "foo"},
},
}
stopCh := make(chan struct{})
defer close(stopCh)
addReceived := make(chan bool)
mutationFound := make(chan bool)
informer := NewSharedInformer(lw, &api.Pod{}, 1*time.Second).(*sharedIndexInformer)
informer.cacheMutationDetector = &defaultCacheMutationDetector{
name: "name",
period: 1 * time.Second,
failureFunc: func(message string) {
mutationFound <- true
},
}
informer.AddEventHandler(
ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
addReceived <- true
},
},
)
go informer.Run(stopCh)
fakeWatch.Add(pod)
select {
case <-addReceived:
}
pod.Labels["change"] = "true"
select {
case <-mutationFound:
}
}
func TestReflectorWatchHandlerError(t *testing.T) {
s := NewStore(MetaNamespaceKeyFunc)
g := NewReflector(&testLW{}, &api.Pod{}, s, 0)
fw := watch.NewFake()
go func() {
fw.Stop()
}()
var resumeRV string
err := g.watchHandler(fw, &resumeRV, neverExitWatch, util.NeverStop)
if err == nil {
t.Errorf("unexpected non-error")
}
}
func TestHookExecutor_executeExecNewPodFailed(t *testing.T) {
hook := &deployapi.LifecycleHook{
FailurePolicy: deployapi.LifecycleHookFailurePolicyAbort,
ExecNewPod: &deployapi.ExecNewPodHook{
ContainerName: "container1",
},
}
config := deploytest.OkDeploymentConfig(1)
deployment, _ := deployutil.MakeDeployment(config, kapi.Codecs.LegacyCodec(deployv1.SchemeGroupVersion))
client := newTestClient(config)
podCreated := make(chan struct{})
var createdPod *kapi.Pod
client.AddReactor("create", "pods", func(a testclient.Action) (handled bool, ret runtime.Object, err error) {
defer close(podCreated)
action := a.(testclient.CreateAction)
object := action.GetObject()
createdPod = object.(*kapi.Pod)
return true, createdPod, nil
})
podsWatch := watch.NewFake()
client.AddWatchReactor("pods", testclient.DefaultWatchReactor(podsWatch, nil))
go func() {
<-podCreated
podsWatch.Add(createdPod)
podCopy, _ := kapi.Scheme.Copy(createdPod)
updatedPod := podCopy.(*kapi.Pod)
updatedPod.Status.Phase = kapi.PodFailed
podsWatch.Modify(updatedPod)
}()
executor := &HookExecutor{
pods: client,
out: ioutil.Discard,
decoder: kapi.Codecs.UniversalDecoder(),
getPodLogs: func(*kapi.Pod) (io.ReadCloser, error) {
return ioutil.NopCloser(strings.NewReader("test")), nil
},
}
err := executor.executeExecNewPod(hook, deployment, "hook", "test")
if err == nil {
t.Fatalf("expected an error, got none")
}
t.Logf("got expected error: %T", err)
}
func TestWatchPods(t *testing.T) {
testJob := newJob(2, 2)
clientset := fake.NewSimpleClientset(testJob)
fakeWatch := watch.NewFake()
clientset.PrependWatchReactor("pods", core.DefaultWatchReactor(fakeWatch, nil))
manager := NewJobControllerFromClient(clientset, controller.NoResyncPeriodFunc)
manager.podStoreSynced = alwaysReady
// Put one job and one pod into the store
manager.jobStore.Store.Add(testJob)
received := make(chan struct{})
// The pod update sent through the fakeWatcher should figure out the managing job and
// send it into the syncHandler.
manager.syncHandler = func(key string) error {
obj, exists, err := manager.jobStore.Store.GetByKey(key)
if !exists || err != nil {
t.Errorf("Expected to find job under key %v", key)
close(received)
return nil
}
job, ok := obj.(*batch.Job)
if !ok {
t.Errorf("unexpected type: %v %#v", reflect.TypeOf(obj), obj)
close(received)
return nil
}
if !api.Semantic.DeepDerivative(job, testJob) {
t.Errorf("\nExpected %#v,\nbut got %#v", testJob, job)
close(received)
return nil
}
close(received)
return nil
}
// Start only the pod watcher and the workqueue, send a watch event,
// and make sure it hits the sync method for the right job.
stopCh := make(chan struct{})
defer close(stopCh)
go manager.internalPodInformer.Run(stopCh)
go wait.Until(manager.worker, 10*time.Millisecond, stopCh)
pods := newPodList(1, api.PodRunning, testJob)
testPod := pods[0]
testPod.Status.Phase = api.PodFailed
fakeWatch.Add(&testPod)
t.Log("Waiting for pod to reach syncHandler")
<-received
}
func NewMockPodsListWatch(initialPodList api.PodList) *MockPodsListWatch {
lw := MockPodsListWatch{
fakeWatcher: watch.NewFake(),
list: initialPodList,
}
lw.ListWatch = cache.ListWatch{
WatchFunc: func(resourceVersion string) (watch.Interface, error) {
return lw.fakeWatcher, nil
},
ListFunc: func() (runtime.Object, error) {
return &lw.list, nil
},
}
return &lw
}
// NewSimpleFake returns a client that will respond with the provided objects
func NewSimpleFake(objects ...runtime.Object) *Fake {
o := NewObjects(api.Scheme, api.Scheme)
for _, obj := range objects {
if err := o.Add(obj); err != nil {
panic(err)
}
}
fakeClient := &Fake{}
fakeClient.AddReactor("*", "*", ObjectReaction(o, api.RESTMapper))
fakeClient.AddWatchReactor("*", DefaultWatchReactor(watch.NewFake(), nil))
return fakeClient
}
// NewSimpleFake returns a client that will respond with the provided objects
func NewSimpleFake(objects ...runtime.Object) *Fake {
o := core.NewObjectTracker(kapi.Scheme, kapi.Codecs.UniversalDecoder())
for _, obj := range objects {
if err := o.Add(obj); err != nil {
panic(err)
}
}
fakeClient := &Fake{}
fakeClient.AddReactor("*", "*", core.ObjectReaction(o, registered.RESTMapper()))
fakeClient.AddWatchReactor("*", core.DefaultWatchReactor(watch.NewFake(), nil))
return fakeClient
}
// Clientset returns a clientset that will respond with the provided objects
func NewSimpleClientset(objects ...runtime.Object) *Clientset {
o := core.NewObjects(api.Scheme, api.Codecs.UniversalDecoder())
for _, obj := range objects {
if err := o.Add(obj); err != nil {
panic(err)
}
}
fakePtr := core.Fake{}
fakePtr.AddReactor("*", "*", core.ObjectReaction(o, api.RESTMapper))
fakePtr.AddWatchReactor("*", core.DefaultWatchReactor(watch.NewFake(), nil))
return &Clientset{fakePtr}
}
func TestWatchPods(t *testing.T) {
fakeWatch := watch.NewFake()
client := &fake.Clientset{}
client.AddWatchReactor("*", core.DefaultWatchReactor(fakeWatch, nil))
manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
manager.podStoreSynced = alwaysReady
// Put one ReplicaSet and one pod into the controller's stores
labelMap := map[string]string{"foo": "bar"}
testRSSpec := newReplicaSet(1, labelMap)
manager.rsStore.Store.Add(testRSSpec)
received := make(chan string)
// The pod update sent through the fakeWatcher should figure out the managing ReplicaSet and
// send it into the syncHandler.
manager.syncHandler = func(key string) error {
obj, exists, err := manager.rsStore.Store.GetByKey(key)
if !exists || err != nil {
t.Errorf("Expected to find replica set under key %v", key)
}
rsSpec := obj.(*extensions.ReplicaSet)
if !api.Semantic.DeepDerivative(rsSpec, testRSSpec) {
t.Errorf("\nExpected %#v,\nbut got %#v", testRSSpec, rsSpec)
}
close(received)
return nil
}
// Start only the pod watcher and the workqueue, send a watch event,
// and make sure it hits the sync method for the right ReplicaSet.
stopCh := make(chan struct{})
defer close(stopCh)
go manager.podController.Run(stopCh)
go manager.internalPodInformer.Run(stopCh)
go wait.Until(manager.worker, 10*time.Millisecond, stopCh)
pods := newPodList(nil, 1, api.PodRunning, labelMap, testRSSpec, "pod")
testPod := pods.Items[0]
testPod.Status.Phase = api.PodFailed
fakeWatch.Add(&testPod)
select {
case <-received:
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("unexpected timeout from result channel")
}
}
func TestWatchPods(t *testing.T) {
testJob := newJob(2, 2)
clientset := fake.NewSimpleClientset(testJob)
fakeWatch := watch.NewFake()
clientset.PrependWatchReactor("pods", core.DefaultWatchReactor(fakeWatch, nil))
manager, sharedInformerFactory := newJobControllerFromClient(clientset, controller.NoResyncPeriodFunc)
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
// Put one job and one pod into the store
sharedInformerFactory.Jobs().Informer().GetIndexer().Add(testJob)
received := make(chan struct{})
// The pod update sent through the fakeWatcher should figure out the managing job and
// send it into the syncHandler.
manager.syncHandler = func(key string) error {
ns, name, err := cache.SplitMetaNamespaceKey(key)
if err != nil {
t.Errorf("Error getting namespace/name from key %v: %v", key, err)
}
job, err := manager.jobLister.Jobs(ns).Get(name)
if err != nil {
t.Errorf("Expected to find job under key %v: %v", key, err)
}
if !api.Semantic.DeepDerivative(job, testJob) {
t.Errorf("\nExpected %#v,\nbut got %#v", testJob, job)
close(received)
return nil
}
close(received)
return nil
}
// Start only the pod watcher and the workqueue, send a watch event,
// and make sure it hits the sync method for the right job.
stopCh := make(chan struct{})
defer close(stopCh)
go sharedInformerFactory.Pods().Informer().Run(stopCh)
go wait.Until(manager.worker, 10*time.Millisecond, stopCh)
pods := newPodList(1, api.PodRunning, testJob)
testPod := pods[0]
testPod.Status.Phase = api.PodFailed
fakeWatch.Add(&testPod)
t.Log("Waiting for pod to reach syncHandler")
<-received
}
func TestWatchPods(t *testing.T) {
fakeWatch := watch.NewFake()
client := &testclient.Fake{}
client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
manager := NewJobController(client, controller.NoResyncPeriodFunc)
manager.podStoreSynced = alwaysReady
// Put one job and one pod into the store
testJob := newJob(2, 2)
manager.jobStore.Store.Add(testJob)
received := make(chan string)
// The pod update sent through the fakeWatcher should figure out the managing job and
// send it into the syncHandler.
manager.syncHandler = func(key string) error {
obj, exists, err := manager.jobStore.Store.GetByKey(key)
if !exists || err != nil {
t.Errorf("Expected to find job under key %v", key)
}
job := obj.(*extensions.Job)
if !api.Semantic.DeepDerivative(job, testJob) {
t.Errorf("\nExpected %#v,\nbut got %#v", testJob, job)
}
close(received)
return nil
}
// Start only the pod watcher and the workqueue, send a watch event,
// and make sure it hits the sync method for the right job.
stopCh := make(chan struct{})
defer close(stopCh)
go manager.podController.Run(stopCh)
go util.Until(manager.worker, 10*time.Millisecond, stopCh)
pods := newPodList(1, api.PodRunning, testJob)
testPod := pods[0]
testPod.Status.Phase = api.PodFailed
fakeWatch.Add(&testPod)
select {
case <-received:
case <-time.After(controllerTimeout):
t.Errorf("Expected 1 call but got 0")
}
}
func TestWatchPods(t *testing.T) {
fakeWatch := watch.NewFake()
c := &fake.Clientset{}
c.AddWatchReactor("*", core.DefaultWatchReactor(fakeWatch, nil))
manager := NewReplicationManager(c, controller.NoResyncPeriodFunc, BurstReplicas)
manager.podStoreSynced = alwaysReady
// Put one rc and one pod into the controller's stores
testControllerSpec := newReplicationController(1)
manager.rcStore.Store.Add(testControllerSpec)
received := make(chan string)
// The pod update sent through the fakeWatcher should figure out the managing rc and
// send it into the syncHandler.
manager.syncHandler = func(key string) error {
obj, exists, err := manager.rcStore.Store.GetByKey(key)
if !exists || err != nil {
t.Errorf("Expected to find controller under key %v", key)
}
controllerSpec := obj.(*api.ReplicationController)
if !api.Semantic.DeepDerivative(controllerSpec, testControllerSpec) {
t.Errorf("\nExpected %#v,\nbut got %#v", testControllerSpec, controllerSpec)
}
close(received)
return nil
}
// Start only the pod watcher and the workqueue, send a watch event,
// and make sure it hits the sync method for the right rc.
stopCh := make(chan struct{})
defer close(stopCh)
go manager.podController.Run(stopCh)
go wait.Until(manager.worker, 10*time.Millisecond, stopCh)
pods := newPodList(nil, 1, api.PodRunning, testControllerSpec)
testPod := pods.Items[0]
testPod.Status.Phase = api.PodFailed
fakeWatch.Add(&testPod)
select {
case <-received:
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("Expected 1 call but got 0")
}
}
func TestWatchJobs(t *testing.T) {
clientset := fake.NewSimpleClientset()
fakeWatch := watch.NewFake()
clientset.PrependWatchReactor("jobs", core.DefaultWatchReactor(fakeWatch, nil))
manager, sharedInformerFactory := newJobControllerFromClient(clientset, controller.NoResyncPeriodFunc)
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
var testJob batch.Job
received := make(chan struct{})
// The update sent through the fakeWatcher should make its way into the workqueue,
// and eventually into the syncHandler.
manager.syncHandler = func(key string) error {
defer close(received)
ns, name, err := cache.SplitMetaNamespaceKey(key)
if err != nil {
t.Errorf("Error getting namespace/name from key %v: %v", key, err)
}
job, err := manager.jobLister.Jobs(ns).Get(name)
if err != nil || job == nil {
t.Errorf("Expected to find job under key %v: %v", key, err)
return nil
}
if !api.Semantic.DeepDerivative(*job, testJob) {
t.Errorf("Expected %#v, but got %#v", testJob, *job)
}
return nil
}
// Start only the job watcher and the workqueue, send a watch event,
// and make sure it hits the sync method.
stopCh := make(chan struct{})
defer close(stopCh)
sharedInformerFactory.Start(stopCh)
go manager.Run(1, stopCh)
// We're sending new job to see if it reaches syncHandler.
testJob.Namespace = "bar"
testJob.Name = "foo"
fakeWatch.Add(&testJob)
t.Log("Waiting for job to reach syncHandler")
<-received
}
func NewMockPodsListWatch(initialPodList api.PodList) *MockPodsListWatch {
lw := MockPodsListWatch{
fakeWatcher: watch.NewFake(),
list: initialPodList,
}
lw.ListWatch = cache.ListWatch{
WatchFunc: func(resourceVersion string) (watch.Interface, error) {
return lw.fakeWatcher, nil
},
ListFunc: func() (runtime.Object, error) {
lw.lock.Lock()
defer lw.lock.Unlock()
listCopy, err := api.Scheme.DeepCopy(&lw.list)
return listCopy.(*api.PodList), err
},
}
return &lw
}
func TestDecoratedWatcherError(t *testing.T) {
w := watch.NewFake()
expErr := fmt.Errorf("expected error")
decorator := func(obj runtime.Object) error {
return expErr
}
dw := newDecoratedWatcher(w, decorator)
defer dw.Stop()
go w.Add(&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}})
select {
case e := <-dw.ResultChan():
if e.Type != watch.Error {
t.Errorf("event type want=%v, get=%v", watch.Error, e.Type)
}
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("timeout after %v", wait.ForeverTestTimeout)
}
}