func TestSyncReplicaSetDormancy(t *testing.T) {
// Setup a test server so we can lie about the current state of pods
fakeHandler := utiltesting.FakeHandler{
StatusCode: 200,
ResponseBody: "{}",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
fakePodControl := controller.FakePodControl{}
manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
manager.podStoreSynced = alwaysReady
manager.podControl = &fakePodControl
labelMap := map[string]string{"foo": "bar"}
rsSpec := newReplicaSet(2, labelMap)
manager.rsStore.Store.Add(rsSpec)
newPodList(manager.podStore.Indexer, 1, api.PodRunning, labelMap, rsSpec, "pod")
// Creates a replica and sets expectations
rsSpec.Status.Replicas = 1
rsSpec.Status.ReadyReplicas = 1
manager.syncReplicaSet(getKey(rsSpec, t))
validateSyncReplicaSet(t, &fakePodControl, 1, 0, 0)
// Expectations prevents replicas but not an update on status
rsSpec.Status.Replicas = 0
rsSpec.Status.ReadyReplicas = 0
fakePodControl.Clear()
manager.syncReplicaSet(getKey(rsSpec, t))
validateSyncReplicaSet(t, &fakePodControl, 0, 0, 0)
// Get the key for the controller
rsKey, err := controller.KeyFunc(rsSpec)
if err != nil {
t.Errorf("Couldn't get key for object %#v: %v", rsSpec, err)
}
// Lowering expectations should lead to a sync that creates a replica, however the
// fakePodControl error will prevent this, leaving expectations at 0, 0
manager.expectations.CreationObserved(rsKey)
rsSpec.Status.Replicas = 1
rsSpec.Status.ReadyReplicas = 1
fakePodControl.Clear()
fakePodControl.Err = fmt.Errorf("Fake Error")
manager.syncReplicaSet(getKey(rsSpec, t))
validateSyncReplicaSet(t, &fakePodControl, 1, 0, 0)
// This replica should not need a Lowering of expectations, since the previous create failed
fakePodControl.Clear()
fakePodControl.Err = nil
manager.syncReplicaSet(getKey(rsSpec, t))
validateSyncReplicaSet(t, &fakePodControl, 1, 0, 0)
// 1 PUT for the ReplicaSet status during dormancy window.
// Note that the pod creates go through pod control so they're not recorded.
fakeHandler.ValidateRequestCount(t, 1)
}
func TestControllerUpdateRequeue(t *testing.T) {
// This server should force a requeue of the controller because it fails to update status.Replicas.
fakeHandler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
c := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
manager := NewReplicationManagerFromClient(c, controller.NoResyncPeriodFunc, BurstReplicas, 0)
manager.podStoreSynced = alwaysReady
rc := newReplicationController(1)
manager.rcStore.Indexer.Add(rc)
rc.Status = api.ReplicationControllerStatus{Replicas: 2}
newPodList(manager.podStore.Indexer, 1, api.PodRunning, rc, "pod")
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
// an error from the sync function will be requeued, check to make sure we returned an error
if err := manager.syncReplicationController(getKey(rc, t)); err == nil {
t.Errorf("missing error for requeue")
}
// 1 Update and 1 GET, both of which fail
fakeHandler.ValidateRequestCount(t, 2)
}
func TestSyncReplicationControllerDormancy(t *testing.T) {
// Setup a test server so we can lie about the current state of pods
fakeHandler := utiltesting.FakeHandler{
StatusCode: 200,
ResponseBody: "{}",
}
testServer := httptest.NewServer(&fakeHandler)
// TODO: Uncomment when fix #19254
// defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
fakePodControl := controller.FakePodControl{}
manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
manager.podStoreSynced = alwaysReady
manager.podControl = &fakePodControl
controllerSpec := newReplicationController(2)
manager.rcStore.Store.Add(controllerSpec)
newPodList(manager.podStore.Store, 1, api.PodRunning, controllerSpec)
// Creates a replica and sets expectations
controllerSpec.Status.Replicas = 1
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 1, 0)
// Expectations prevents replicas but not an update on status
controllerSpec.Status.Replicas = 0
fakePodControl.Clear()
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 0, 0)
// Get the key for the controller
rcKey, err := controller.KeyFunc(controllerSpec)
if err != nil {
t.Errorf("Couldn't get key for object %+v: %v", controllerSpec, err)
}
// Lowering expectations should lead to a sync that creates a replica, however the
// fakePodControl error will prevent this, leaving expectations at 0, 0
manager.expectations.CreationObserved(rcKey)
controllerSpec.Status.Replicas = 1
fakePodControl.Clear()
fakePodControl.Err = fmt.Errorf("Fake Error")
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 0, 0)
// This replica should not need a Lowering of expectations, since the previous create failed
fakePodControl.Err = nil
manager.syncReplicationController(getKey(controllerSpec, t))
validateSyncReplication(t, &fakePodControl, 1, 0)
// 1 PUT for the rc status during dormancy window.
// Note that the pod creates go through pod control so they're not recorded.
fakeHandler.ValidateRequestCount(t, 1)
}
func TestUpdatePetWithoutRetry(t *testing.T) {
pcb1, pcb2 := makeTwoDifferntPCB()
// invalid pet with empty pod
invalidPcb := *pcb1
invalidPcb.pod = nil
testCases := []struct {
realPet *pcb
expectedPet *pcb
expectErr bool
requests int
}{
// case 0: error occurs, no need to update
{
realPet: pcb1,
expectedPet: &invalidPcb,
expectErr: true,
requests: 0,
},
// case 1: identical pet, no need to update
{
realPet: pcb1,
expectedPet: pcb1,
expectErr: false,
requests: 0,
},
// case 2: need to call update once
{
realPet: pcb1,
expectedPet: pcb2,
expectErr: false,
requests: 1,
},
}
for k, tc := range testCases {
body := runtime.EncodeOrDie(testapi.Default.Codec(), &v1.Pod{ObjectMeta: v1.ObjectMeta{Name: "empty_pod"}})
fakeHandler := utiltesting.FakeHandler{
StatusCode: 200,
ResponseBody: string(body),
}
testServer := httptest.NewServer(&fakeHandler)
client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: ®istered.GroupOrDie(v1.GroupName).GroupVersion}})
petClient := newPetClient(client)
err := petClient.Update(tc.realPet, tc.expectedPet)
if tc.expectErr != (err != nil) {
t.Errorf("case %d: expect error(%v), got err: %v", k, tc.expectErr, err)
}
fakeHandler.ValidateRequestCount(t, tc.requests)
testServer.Close()
}
}
func TestUpdatePetWithFailure(t *testing.T) {
fakeHandler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "{}",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: ®istered.GroupOrDie(v1.GroupName).GroupVersion}})
petClient := newPetClient(client)
pcb1, pcb2 := makeTwoDifferntPCB()
if err := petClient.Update(pcb1, pcb2); err == nil {
t.Errorf("expect error, got nil")
}
// 1 Update and 1 GET, both of which fail
fakeHandler.ValidateRequestCount(t, 2)
}
func TestControllerUpdateRequeue(t *testing.T) {
// This server should force a requeue of the controller because it fails to update status.Replicas.
fakeHandler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "{}",
}
testServer := httptest.NewServer(&fakeHandler)
defer testServer.Close()
client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
manager := NewReplicaSetControllerFromClient(client, controller.NoResyncPeriodFunc, BurstReplicas, 0)
manager.podStoreSynced = alwaysReady
labelMap := map[string]string{"foo": "bar"}
rs := newReplicaSet(1, labelMap)
manager.rsStore.Store.Add(rs)
rs.Status = extensions.ReplicaSetStatus{Replicas: 2}
newPodList(manager.podStore.Indexer, 1, api.PodRunning, labelMap, rs, "pod")
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.syncReplicaSet(getKey(rs, t))
ch := make(chan interface{})
go func() {
item, _ := manager.queue.Get()
ch <- item
}()
select {
case key := <-ch:
expectedKey := getKey(rs, t)
if key != expectedKey {
t.Errorf("Expected requeue of replica set with key %s got %s", expectedKey, key)
}
case <-time.After(wait.ForeverTestTimeout):
manager.queue.ShutDown()
t.Errorf("Expected to find a ReplicaSet in the queue, found none.")
}
// 1 Update and 1 GET, both of which fail
fakeHandler.ValidateRequestCount(t, 2)
}
func TestControllerUpdateRequeue(t *testing.T) {
// This server should force a requeue of the controller because it fails to update status.Replicas.
fakeHandler := utiltesting.FakeHandler{
StatusCode: 500,
ResponseBody: "",
}
testServer := httptest.NewServer(&fakeHandler)
// TODO: Uncomment when fix #19254
// defer testServer.Close()
client := client.NewOrDie(&client.Config{Host: testServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
manager.podStoreSynced = alwaysReady
rc := newReplicationController(1)
manager.rcStore.Store.Add(rc)
rc.Status = api.ReplicationControllerStatus{Replicas: 2}
newPodList(manager.podStore.Store, 1, api.PodRunning, rc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.syncReplicationController(getKey(rc, t))
ch := make(chan interface{})
go func() {
item, _ := manager.queue.Get()
ch <- item
}()
select {
case key := <-ch:
expectedKey := getKey(rc, t)
if key != expectedKey {
t.Errorf("Expected requeue of controller with key %s got %s", expectedKey, key)
}
case <-time.After(util.ForeverTestTimeout):
manager.queue.ShutDown()
t.Errorf("Expected to find an rc in the queue, found none.")
}
// 1 Update and 1 GET, both of which fail
fakeHandler.ValidateRequestCount(t, 2)
}