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Merge pull request #35047 from deads2k/controller-11-rs-flakes

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Automatic merge from submit-queue

fix more RS controller flakes

I saw another flake:

```
panic: Fail in goroutine after TestUpdatePods has completed
/usr/local/go/src/runtime/panic.go:500 +0x1ae
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/util/runtime/runtime.go:56 +0x17d
/usr/local/go/src/runtime/panic.go:458 +0x271
/usr/local/go/src/testing/testing.go:412 +0x182
/usr/local/go/src/testing/testing.go:484 +0x95
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/replicaset/replica_set_test.go:619 +0x1d2
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/replicaset/replica_set.go:414 +0x191
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/replicaset/replica_set.go:403 +0x39
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/replicaset/replica_set.go:169 +0x42
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:87 +0x70
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:88 +0xbe
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:49 +0x5b
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/replicaset/replica_set_test.go:625 +0x369
```

This resolves that by separating the listers from the watch like it used to be in this set of tests.  The tests were like this before the refactor.  I think they limit utility, but I'm not prepared to re-write them all.

@kargakis
This commit is contained in:
Kubernetes Submit Queue 2016-10-18 19:52:48 -07:00 committed by GitHub
commit 29af9853fe
1 changed files with 7 additions and 17 deletions
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24
pkg/controller/replicaset/replica_set_test.go
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@ -52,6 +52,8 @@ import (
func testNewReplicaSetControllerFromClient(client clientset.Interface, stopCh chan struct{}, burstReplicas int, lookupCacheSize int) *ReplicaSetController {
informers := informers.NewSharedInformerFactory(client, controller.NoResyncPeriodFunc())
ret := NewReplicaSetController(informers.ReplicaSets(), informers.Pods(), client, burstReplicas, lookupCacheSize, false)
ret.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
ret.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
informers.Start(stopCh)
return ret
}
@ -299,8 +301,6 @@ func TestStatusUpdatesWithoutReplicasChange(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
// Steady state for the ReplicaSet, no Status.Replicas updates expected
activePods := 5
@ -347,8 +347,6 @@ func TestControllerUpdateReplicas(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
// Insufficient number of pods in the system, and Status.Replicas is wrong;
// Status.Replica should update to match number of pods in system, 1 new pod should be created.
@ -398,8 +396,7 @@ func TestSyncReplicaSetDormancy(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.podControl = &fakePodControl
labelMap := map[string]string{"foo": "bar"}
@ -524,7 +521,9 @@ func TestWatchControllers(t *testing.T) {
client.AddWatchReactor("replicasets", core.DefaultWatchReactor(fakeWatch, nil))
stopCh := make(chan struct{})
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
informers := informers.NewSharedInformerFactory(client, controller.NoResyncPeriodFunc())
manager := NewReplicaSetController(informers.ReplicaSets(), informers.Pods(), client, BurstReplicas, 0, false)
informers.Start(stopCh)
manager.podListerSynced = alwaysReady
var testRSSpec extensions.ReplicaSet
@ -567,8 +566,6 @@ func TestWatchPods(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
// Put one ReplicaSet and one pod into the controller's stores
labelMap := map[string]string{"foo": "bar"}
@ -691,8 +688,6 @@ func TestControllerUpdateRequeue(t *testing.T) {
client := clientset.NewForConfigOrDie(&restclient.Config{Host: testServer.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}})
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
labelMap := map[string]string{"foo": "bar"}
rs := newReplicaSet(1, labelMap)
@ -1131,8 +1126,7 @@ func setupManagerWithGCEnabled(stopCh chan struct{}, objs ...runtime.Object) (ma
manager = testNewReplicaSetControllerFromClient(c, stopCh, BurstReplicas, 0)
manager.garbageCollectorEnabled = true
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.podControl = fakePodControl
return manager, fakePodControl
}
@ -1357,8 +1351,6 @@ func TestReadyReplicas(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
// Status.Replica should update to match number of pods in system, 1 new pod should be created.
labelMap := map[string]string{"foo": "bar"}
@ -1402,8 +1394,6 @@ func TestAvailableReplicas(t *testing.T) {
defer close(stopCh)
manager := testNewReplicaSetControllerFromClient(client, stopCh, BurstReplicas, 0)
manager.podListerSynced = alwaysReady
manager.podLister = &cache.StoreToPodLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
manager.rsLister = &cache.StoreToReplicaSetLister{Indexer: cache.NewIndexer(cache.DeletionHandlingMetaNamespaceKeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})}
// Status.Replica should update to match number of pods in system, 1 new pod should be created.
labelMap := map[string]string{"foo": "bar"}