Update dependencies to v0.15.7 tag

Automated cherry pick of #83911: Remove check causing informers to miss notifications

Kubernetes-commit: 0f71449be978a5e9efca3e7431941cc90211b339

Godeps/Godeps.json

@@ -188,11 +188,11 @@
 		},
 		{
 			"ImportPath": "k8s.io/api",
-			"Rev": "af539daaa43a"
+			"Rev": "v0.15.7"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery",
-			"Rev": "31ade1b30762"
+			"Rev": "v0.15.7"
 		},
 		{
 			"ImportPath": "k8s.io/klog",

go.mod

@@ -26,8 +26,8 @@ require (
 	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a
 	golang.org/x/time v0.0.0-20161028155119-f51c12702a4d
 	google.golang.org/appengine v1.5.0 // indirect
-	k8s.io/api v0.0.0-20191016110246-af539daaa43a
-	k8s.io/apimachinery v0.0.0-20191004115701-31ade1b30762
+	k8s.io/api v0.15.7
+	k8s.io/apimachinery v0.15.7
 	k8s.io/klog v0.3.1
 	k8s.io/utils v0.0.0-20190221042446-c2654d5206da
 	sigs.k8s.io/yaml v1.1.0
@@ -37,6 +37,6 @@ replace (
 	golang.org/x/sync => golang.org/x/sync v0.0.0-20181108010431-42b317875d0f
 	golang.org/x/sys => golang.org/x/sys v0.0.0-20190209173611-3b5209105503
 	golang.org/x/tools => golang.org/x/tools v0.0.0-20190313210603-aa82965741a9
-	k8s.io/api => k8s.io/api v0.0.0-20191016110246-af539daaa43a
-	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20191004115701-31ade1b30762
+	k8s.io/api => k8s.io/api v0.15.7
+	k8s.io/apimachinery => k8s.io/apimachinery v0.15.7
 )

go.sum

@@ -93,8 +93,8 @@ gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-k8s.io/api v0.0.0-20191016110246-af539daaa43a/go.mod h1:ceHJE/vDjU8jKnRV6Vqn/+vyZmC6NvOluInN+RhQkIs=
-k8s.io/apimachinery v0.0.0-20191004115701-31ade1b30762/go.mod h1:Xc10RHc1U+F/e9GCloJ8QAeCGevSVP5xhOhqlE+e1kM=
+k8s.io/api v0.15.7/go.mod h1:a/tUxscL+UxvYyA7Tj5DRc8ivYqJIO1Y5KDdlI6wSvo=
+k8s.io/apimachinery v0.15.7/go.mod h1:Xc10RHc1U+F/e9GCloJ8QAeCGevSVP5xhOhqlE+e1kM=
 k8s.io/klog v0.3.1 h1:RVgyDHY/kFKtLqh67NvEWIgkMneNoIrdkN0CxDSQc68=
 k8s.io/klog v0.3.1/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/kube-openapi v0.0.0-20190228160746-b3a7cee44a30 h1:TRb4wNWoBVrH9plmkp2q86FIDppkbrEXdXlxU3a3BMI=

tools/cache/delta_fifo.go

@@ -295,13 +295,6 @@ func isDeletionDup(a, b *Delta) *Delta {
 	return b
 }
 
-// willObjectBeDeletedLocked returns true only if the last delta for the
-// given object is Delete. Caller must lock first.
-func (f *DeltaFIFO) willObjectBeDeletedLocked(id string) bool {
-	deltas := f.items[id]
-	return len(deltas) > 0 && deltas[len(deltas)-1].Type == Deleted
-}
-
 // queueActionLocked appends to the delta list for the object.
 // Caller must lock first.
 func (f *DeltaFIFO) queueActionLocked(actionType DeltaType, obj interface{}) error {
@@ -310,13 +303,6 @@ func (f *DeltaFIFO) queueActionLocked(actionType DeltaType, obj interface{}) err
 		return KeyError{obj, err}
 	}
 
-	// If object is supposed to be deleted (last event is Deleted),
-	// then we should ignore Sync events, because it would result in
-	// recreation of this object.
-	if actionType == Sync && f.willObjectBeDeletedLocked(id) {
-		return nil
-	}
-
 	newDeltas := append(f.items[id], Delta{actionType, obj})
 	newDeltas = dedupDeltas(newDeltas)
 

tools/cache/delta_fifo_test.go

@@ -85,6 +85,33 @@ func TestDeltaFIFO_basic(t *testing.T) {
 	}
 }
 
+// TestDeltaFIFO_replaceWithDeleteDeltaIn tests that a `Sync` delta for an
+// object `O` with ID `X` is added when .Replace is called and `O` is among the
+// replacement objects even if the DeltaFIFO already stores in terminal position
+// a delta of type `Delete` for ID `X`. Not adding the `Sync` delta causes
+// SharedIndexInformers to miss `O`'s create notification, see https://github.com/kubernetes/kubernetes/issues/83810
+// for more details.
+func TestDeltaFIFO_replaceWithDeleteDeltaIn(t *testing.T) {
+	oldObj := mkFifoObj("foo", 1)
+	newObj := mkFifoObj("foo", 2)
+
+	f := NewDeltaFIFO(testFifoObjectKeyFunc, keyLookupFunc(func() []testFifoObject {
+		return []testFifoObject{oldObj}
+	}))
+
+	f.Delete(oldObj)
+	f.Replace([]interface{}{newObj}, "")
+
+	actualDeltas := Pop(f)
+	expectedDeltas := Deltas{
+		Delta{Type: Deleted, Object: oldObj},
+		Delta{Type: Sync, Object: newObj},
+	}
+	if !reflect.DeepEqual(expectedDeltas, actualDeltas) {
+		t.Errorf("expected %#v, got %#v", expectedDeltas, actualDeltas)
+	}
+}
+
 func TestDeltaFIFO_requeueOnPop(t *testing.T) {
 	f := NewDeltaFIFO(testFifoObjectKeyFunc, nil)