Improved logging for horizontal pod autoscaler.

pkg/controller/podautoscaler/horizontal.go

@@ -131,6 +131,8 @@ func (a *HorizontalController) reconcileAutoscaler(hpa experimental.HorizontalPo
 			return fmt.Errorf("failed to rescale %s: %v", reference, err)
 		}
 		a.eventRecorder.Eventf(&hpa, "SuccessfulRescale", "New size: %d", desiredReplicas)
+		glog.Infof("Successfull rescale of %s, old size: %d, new size: %d, usage ratio: %f",
+			hpa.Name, currentReplicas, desiredReplicas, usageRatio)
 	} else {
 		desiredReplicas = currentReplicas
 	}

test/e2e/horizontal_pod_autoscaling.go

@@ -72,7 +72,7 @@ var _ = Describe("Horizontal pod autoscaling", func() {
 	})
 
 	// Backup tests, currently disabled
-	It("[Skipped][Autoscaling Suite] should scale from 1 pod to 3 pods (scale resource: CPU)", func() {
+	It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to 3 pods (scale resource: CPU)", func() {
 		rc = NewDynamicResourceConsumer("rc", 1, 700, 0, 800, 100, f)
 		defer rc.CleanUp()
 		createCPUHorizontalPodAutoscaler(rc, "0.3")