func Rename(c RollingUpdaterClient, rc *api.ReplicationController, newName string) error {
oldName := rc.Name
rc.Name = newName
rc.ResourceVersion = ""
_, err := c.CreateReplicationController(rc.Namespace, rc)
if err != nil {
return err
}
err = c.DeleteReplicationController(rc.Namespace, oldName)
if err != nil && !errors.IsNotFound(err) {
return err
}
return nil
}
func TestWatchControllers(t *testing.T) {
fakeWatch := watch.NewFake()
client := &testclient.Fake{Watch: fakeWatch}
manager := NewReplicationManager(client, BurstReplicas)
manager.podStoreSynced = alwaysReady
var testControllerSpec api.ReplicationController
received := make(chan string)
// The update sent through the fakeWatcher should make its way into the workqueue,
// and eventually into the syncHandler. The handler validates the received controller
// and closes the received channel to indicate that the test can finish.
manager.syncHandler = func(key string) error {
obj, exists, err := manager.controllerStore.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("Expected %#v, but got %#v", testControllerSpec, controllerSpec)
}
close(received)
return nil
}
// Start only the rc watcher and the workqueue, send a watch event,
// and make sure it hits the sync method.
stopCh := make(chan struct{})
defer close(stopCh)
go manager.rcController.Run(stopCh)
go util.Until(manager.worker, 10*time.Millisecond, stopCh)
testControllerSpec.Name = "foo"
fakeWatch.Add(&testControllerSpec)
select {
case <-received:
case <-time.After(controllerTimeout):
t.Errorf("Expected 1 call but got 0")
}
}
func SetNextControllerAnnotation(rc *api.ReplicationController, name string) {
if rc.Annotations == nil {
rc.Annotations = map[string]string{}
}
rc.Annotations[nextControllerAnnotation] = name
}