Extend logging for UnschedulableNodes

test/integration/scheduler_test.go

@@ -103,13 +103,23 @@ func podScheduled(c *client.Client, podNamespace, podName string) wait.Condition
 
 // Wait till the passFunc confirms that the object it expects to see is in the store.
 // Used to observe reflected events.
-func waitForReflection(s cache.Store, key string, passFunc func(n interface{}) bool) error {
-	return wait.Poll(time.Millisecond*10, time.Second*20, func() (bool, error) {
+func waitForReflection(t *testing.T, s cache.Store, key string, passFunc func(n interface{}) bool) error {
+	nodes := []*api.Node{}
+	err := wait.Poll(time.Millisecond*100, wait.ForeverTestTimeout, func() (bool, error) {
 		if n, _, err := s.GetByKey(key); err == nil && passFunc(n) {
 			return true, nil
+		} else {
+			nodes = append(nodes, n.(*api.Node))
+			return false, nil
 		}
-		return false, nil
 	})
+	if err != nil {
+		t.Logf("Logging consecutive node versions received from store:")
+		for i, n := range nodes {
+			t.Logf("%d: %#v", i, n)
+		}
+	}
+	return err
 }
 
 func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore cache.Store) {
@@ -159,7 +169,7 @@ func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore
 				if _, err := c.Nodes().Update(n); err != nil {
 					t.Fatalf("Failed to update node with unschedulable=true: %v", err)
 				}
-				err = waitForReflection(s, nodeKey, func(node interface{}) bool {
+				err = waitForReflection(t, s, nodeKey, func(node interface{}) bool {
 					// An unschedulable node should get deleted from the store
 					return node == nil
 				})
@@ -172,7 +182,7 @@ func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore
 				if _, err := c.Nodes().Update(n); err != nil {
 					t.Fatalf("Failed to update node with unschedulable=false: %v", err)
 				}
-				err = waitForReflection(s, nodeKey, func(node interface{}) bool {
+				err = waitForReflection(t, s, nodeKey, func(node interface{}) bool {
 					return node != nil && node.(*api.Node).Spec.Unschedulable == false
 				})
 				if err != nil {
@@ -192,7 +202,7 @@ func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore
 				if _, err = c.Nodes().UpdateStatus(n); err != nil {
 					t.Fatalf("Failed to update node with bad status condition: %v", err)
 				}
-				err = waitForReflection(s, nodeKey, func(node interface{}) bool {
+				err = waitForReflection(t, s, nodeKey, func(node interface{}) bool {
 					return node != nil && node.(*api.Node).Status.Conditions[0].Status == api.ConditionUnknown
 				})
 				if err != nil {
@@ -209,7 +219,7 @@ func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore
 				if _, err = c.Nodes().UpdateStatus(n); err != nil {
 					t.Fatalf("Failed to update node with healthy status condition: %v", err)
 				}
-				waitForReflection(s, nodeKey, func(node interface{}) bool {
+				err = waitForReflection(t, s, nodeKey, func(node interface{}) bool {
 					return node != nil && node.(*api.Node).Status.Conditions[0].Status == api.ConditionTrue
 				})
 				if err != nil {