Golang framework.WaitForObservedDeployment函数代码示例

func testScalePausedDeployment(f *framework.Framework) {
	ns := f.Namespace.Name
	c := adapter.FromUnversionedClient(f.Client)

	podLabels := map[string]string{"name": nginxImageName}
	replicas := int32(3)

	// Create a nginx deployment.
	deploymentName := "nginx-deployment"
	d := newDeployment(deploymentName, replicas, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
	framework.Logf("Creating deployment %q", deploymentName)
	_, err := c.Extensions().Deployments(ns).Create(d)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)

	// Check that deployment is created fine.
	deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	rs, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())

	// Pause the deployment and try to scale it.
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Paused = true
	})
	Expect(err).NotTo(HaveOccurred())

	// Scale the paused deployment.
	framework.Logf("Scaling up the paused deployment %q", deploymentName)
	newReplicas := int32(5)
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, deployment.Name, func(update *extensions.Deployment) {
		update.Spec.Replicas = newReplicas
	})
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	rs, err = deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())

	if rs.Spec.Replicas != newReplicas {
		err = fmt.Errorf("Expected %d replicas for the new replica set, got %d", newReplicas, rs.Spec.Replicas)
		Expect(err).NotTo(HaveOccurred())
	}
}

// testRollbackDeploymentRSNoRevision tests that deployment supports rollback even when there's old replica set without revision.
// An old replica set without revision is created, and then a deployment is created (v1). The deployment shouldn't add revision
// annotation to the old replica set. Then rollback the deployment to last revision, and it should fail.
// Then update the deployment to v2 and rollback it to v1 should succeed, now the deployment
// becomes v3. Then rollback the deployment to v10 (doesn't exist in history) should fail.
// Finally, rollback the deployment (v3) to v3 should be no-op.
// TODO: When we finished reporting rollback status in deployment status, check the rollback status here in each case.
func testRollbackDeploymentRSNoRevision(f *framework.Framework) {
	ns := f.Namespace.Name
	c := adapter.FromUnversionedClient(f.Client)
	podName := "nginx"
	deploymentPodLabels := map[string]string{"name": podName}
	rsPodLabels := map[string]string{
		"name": podName,
		"pod":  nginxImageName,
	}

	// Create an old RS without revision
	rsName := "test-rollback-no-revision-controller"
	rsReplicas := 0
	rs := newRS(rsName, rsReplicas, rsPodLabels, nginxImageName, nginxImage)
	rs.Annotations = make(map[string]string)
	rs.Annotations["make"] = "difference"
	_, err := c.Extensions().ReplicaSets(ns).Create(rs)
	Expect(err).NotTo(HaveOccurred())

	// 1. Create a deployment to create nginx pods, which have different template than the replica set created above.
	deploymentName, deploymentImageName := "test-rollback-no-revision-deployment", nginxImageName
	deploymentReplicas := 1
	deploymentImage := nginxImage
	deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
	framework.Logf("Creating deployment %s", deploymentName)
	d := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
	_, err = c.Extensions().Deployments(ns).Create(d)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)

	// Wait for it to be updated to revision 1
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", deploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

	// Check that the replica set we created still doesn't contain revision information
	rs, err = c.Extensions().ReplicaSets(ns).Get(rsName)
	Expect(err).NotTo(HaveOccurred())
	Expect(rs.Annotations[deploymentutil.RevisionAnnotation]).Should(Equal(""))

	// 2. Update the deploymentRollback to rollback to last revision
	//    Since there's only 1 revision in history, it should stay as revision 1
	revision := int64(0)
	framework.Logf("rolling back deployment %s to last revision", deploymentName)
	rollback := newDeploymentRollback(deploymentName, nil, revision)
	err = c.Extensions().Deployments(ns).Rollback(rollback)
	Expect(err).NotTo(HaveOccurred())

	// Wait for the deployment to start rolling back
	err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
	Expect(err).NotTo(HaveOccurred())
	// TODO: report RollbackRevisionNotFound in deployment status and check it here

	// The pod template shouldn't change since there's no last revision
	// Check if the deployment is still revision 1 and still has the old pod template
	checkDeploymentRevision(c, ns, deploymentName, "1", deploymentImageName, deploymentImage)

	// 3. Update the deployment to create redis pods.
	updatedDeploymentImage := redisImage
	updatedDeploymentImageName := redisImageName
	deployment, err := framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
		update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the pod template update.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	// Wait for it to be updated to revision 2
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

	// 4. Update the deploymentRollback to rollback to revision 1
	revision = 1
	framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
	rollback = newDeploymentRollback(deploymentName, nil, revision)
	err = c.Extensions().Deployments(ns).Rollback(rollback)
	Expect(err).NotTo(HaveOccurred())

	// Wait for the deployment to start rolling back
	err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
	Expect(err).NotTo(HaveOccurred())
	// TODO: report RollbackDone in deployment status and check it here

	// The pod template should be updated to the one in revision 1
	// Wait for it to be updated to revision 3
//.........这里部分代码省略.........

// testRollbackDeployment tests that a deployment is created (revision 1) and updated (revision 2), and
// then rollback to revision 1 (should update template to revision 1, and then update revision 1 to 3),
// and then rollback to last revision.
func testRollbackDeployment(f *framework.Framework) {
	ns := f.Namespace.Name
	unversionedClient := f.Client
	c := adapter.FromUnversionedClient(unversionedClient)
	podName := "nginx"
	deploymentPodLabels := map[string]string{"name": podName}

	// 1. Create a deployment to create nginx pods.
	deploymentName, deploymentImageName := "test-rollback-deployment", nginxImageName
	deploymentReplicas := 1
	deploymentImage := nginxImage
	deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
	framework.Logf("Creating deployment %s", deploymentName)
	d := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
	createAnnotation := map[string]string{"action": "create", "author": "minion"}
	d.Annotations = createAnnotation
	_, err := c.Extensions().Deployments(ns).Create(d)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)

	// Wait for it to be updated to revision 1
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", deploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

	// Current newRS annotation should be "create"
	err = framework.CheckNewRSAnnotations(c, ns, deploymentName, createAnnotation)
	Expect(err).NotTo(HaveOccurred())

	// 2. Update the deployment to create redis pods.
	updatedDeploymentImage := redisImage
	updatedDeploymentImageName := redisImageName
	updateAnnotation := map[string]string{"action": "update", "log": "I need to update it"}
	deployment, err := framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
		update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
		update.Annotations = updateAnnotation
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the pod template update.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	// Wait for it to be updated to revision 2
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

	// Current newRS annotation should be "update"
	err = framework.CheckNewRSAnnotations(c, ns, deploymentName, updateAnnotation)
	Expect(err).NotTo(HaveOccurred())

	// 3. Update the deploymentRollback to rollback to revision 1
	revision := int64(1)
	framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
	rollback := newDeploymentRollback(deploymentName, nil, revision)
	err = c.Extensions().Deployments(ns).Rollback(rollback)
	Expect(err).NotTo(HaveOccurred())

	// Wait for the deployment to start rolling back
	err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
	Expect(err).NotTo(HaveOccurred())
	// TODO: report RollbackDone in deployment status and check it here

	// Wait for it to be updated to revision 3
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "3", deploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

	// Current newRS annotation should be "create", after the rollback
	err = framework.CheckNewRSAnnotations(c, ns, deploymentName, createAnnotation)
	Expect(err).NotTo(HaveOccurred())

	// 4. Update the deploymentRollback to rollback to last revision
	revision = 0
	framework.Logf("rolling back deployment %s to last revision", deploymentName)
	rollback = newDeploymentRollback(deploymentName, nil, revision)
	err = c.Extensions().Deployments(ns).Rollback(rollback)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
	Expect(err).NotTo(HaveOccurred())

	// Wait for it to be updated to revision 4
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "4", updatedDeploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, 0)
	Expect(err).NotTo(HaveOccurred())

//.........这里部分代码省略.........

func testPausedDeployment(f *framework.Framework) {
	ns := f.Namespace.Name
	// TODO: remove unversionedClient when the refactoring is done. Currently some
	// functions like verifyPod still expects a unversioned#Client.
	unversionedClient := f.Client
	c := adapter.FromUnversionedClient(unversionedClient)
	deploymentName := "test-paused-deployment"
	podLabels := map[string]string{"name": nginxImageName}
	d := newDeployment(deploymentName, 1, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
	d.Spec.Paused = true
	framework.Logf("Creating paused deployment %s", deploymentName)
	_, err := c.Extensions().Deployments(ns).Create(d)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)
	// Check that deployment is created fine.
	deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
	Expect(err).NotTo(HaveOccurred())

	// Verify that there is no latest state realized for the new deployment.
	rs, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	if rs != nil {
		err = fmt.Errorf("unexpected new rs/%s for deployment/%s", rs.Name, deployment.Name)
		Expect(err).NotTo(HaveOccurred())
	}

	// Update the deployment to run
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Paused = false
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the resume.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		Expect(err).NotTo(HaveOccurred())
	}
	opts := api.ListOptions{LabelSelector: selector}
	w, err := c.Extensions().ReplicaSets(ns).Watch(opts)
	Expect(err).NotTo(HaveOccurred())

	select {
	case <-w.ResultChan():
		// this is it
	case <-time.After(time.Minute):
		err = fmt.Errorf("expected a new replica set to be created")
		Expect(err).NotTo(HaveOccurred())
	}

	// Pause the deployment and delete the replica set.
	// The paused deployment shouldn't recreate a new one.
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Paused = true
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the pause.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	Expect(framework.DeleteReplicaSet(unversionedClient, ns, newRS.Name)).NotTo(HaveOccurred())

	deployment, err = c.Extensions().Deployments(ns).Get(deploymentName)
	Expect(err).NotTo(HaveOccurred())

	if !deployment.Spec.Paused {
		err = fmt.Errorf("deployment %q should be paused", deployment.Name)
		Expect(err).NotTo(HaveOccurred())
	}
	shouldBeNil, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	if shouldBeNil != nil {
		err = fmt.Errorf("deployment %q shouldn't have a replica set but there is %q", deployment.Name, shouldBeNil.Name)
		Expect(err).NotTo(HaveOccurred())
	}
}

// testRolloverDeployment tests that deployment supports rollover.
// i.e. we can change desired state and kick off rolling update, then change desired state again before it finishes.
func testRolloverDeployment(f *framework.Framework) {
	ns := f.Namespace.Name
	// TODO: remove unversionedClient when the refactoring is done. Currently some
	// functions like verifyPod still expects a unversioned#Client.
	unversionedClient := f.Client
	c := adapter.FromUnversionedClient(unversionedClient)
	podName := "rollover-pod"
	deploymentPodLabels := map[string]string{"name": podName}
	rsPodLabels := map[string]string{
		"name": podName,
		"pod":  nginxImageName,
	}

	rsName := "test-rollover-controller"
	rsReplicas := 4
	_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, rsReplicas, rsPodLabels, nginxImageName, nginxImage))
	Expect(err).NotTo(HaveOccurred())
	// Verify that the required pods have come up.
	err = framework.VerifyPods(unversionedClient, ns, podName, false, rsReplicas)
	if err != nil {
		framework.Logf("error in waiting for pods to come up: %s", err)
		Expect(err).NotTo(HaveOccurred())
	}
	// Wait for the required pods to be ready for at least minReadySeconds (be available)
	deploymentMinReadySeconds := 5
	err = framework.WaitForPodsReady(c, ns, podName, deploymentMinReadySeconds)
	Expect(err).NotTo(HaveOccurred())

	// Create a deployment to delete nginx pods and instead bring up redis-slave pods.
	deploymentName, deploymentImageName := "test-rollover-deployment", "redis-slave"
	deploymentReplicas := 4
	deploymentImage := "gcr.io/google_samples/gb-redisslave:v1"
	deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
	framework.Logf("Creating deployment %s", deploymentName)
	newDeployment := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
	newDeployment.Spec.MinReadySeconds = deploymentMinReadySeconds
	newDeployment.Spec.Strategy.RollingUpdate = &extensions.RollingUpdateDeployment{
		MaxUnavailable: intstr.FromInt(1),
		MaxSurge:       intstr.FromInt(1),
	}
	_, err = c.Extensions().Deployments(ns).Create(newDeployment)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)

	// Verify that the pods were scaled up and down as expected. We use events to verify that.
	deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
	Expect(err).NotTo(HaveOccurred())
	// Make sure the deployment starts to scale up and down replica sets
	framework.WaitForPartialEvents(unversionedClient, ns, deployment, 2)
	// Check if it's updated to revision 1 correctly
	_, newRS := checkDeploymentRevision(c, ns, deploymentName, "1", deploymentImageName, deploymentImage)

	// Before the deployment finishes, update the deployment to rollover the above 2 ReplicaSets and bring up redis pods.
	// If the deployment already finished here, the test would fail. When this happens, increase its minReadySeconds or replicas to prevent it.
	Expect(newRS.Spec.Replicas).Should(BeNumerically("<", deploymentReplicas))
	updatedDeploymentImageName, updatedDeploymentImage := redisImageName, redisImage
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, newDeployment.Name, func(update *extensions.Deployment) {
		update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
		update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the pod template update.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	// Wait for it to be updated to revision 2
	err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForDeploymentStatus(c, ns, deploymentName, deploymentReplicas, deploymentReplicas-1, deploymentReplicas+1, deploymentMinReadySeconds)
	Expect(err).NotTo(HaveOccurred())
}

func testPausedDeployment(f *framework.Framework) {
	ns := f.Namespace.Name
	// TODO: remove unversionedClient when the refactoring is done. Currently some
	// functions like verifyPod still expects a unversioned#Client.
	unversionedClient := f.Client
	c := adapter.FromUnversionedClient(unversionedClient)
	deploymentName := "test-paused-deployment"
	podLabels := map[string]string{"name": nginxImageName}
	d := newDeployment(deploymentName, 1, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
	d.Spec.Paused = true
	tgps := int64(20)
	d.Spec.Template.Spec.TerminationGracePeriodSeconds = &tgps
	framework.Logf("Creating paused deployment %s", deploymentName)
	_, err := c.Extensions().Deployments(ns).Create(d)
	Expect(err).NotTo(HaveOccurred())
	defer stopDeployment(c, f.Client, ns, deploymentName)
	// Check that deployment is created fine.
	deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
	Expect(err).NotTo(HaveOccurred())

	// Verify that there is no latest state realized for the new deployment.
	rs, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	if rs != nil {
		err = fmt.Errorf("unexpected new rs/%s for deployment/%s", rs.Name, deployment.Name)
		Expect(err).NotTo(HaveOccurred())
	}

	// Update the deployment to run
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Paused = false
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the resume.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		Expect(err).NotTo(HaveOccurred())
	}
	opts := api.ListOptions{LabelSelector: selector}
	w, err := c.Extensions().ReplicaSets(ns).Watch(opts)
	Expect(err).NotTo(HaveOccurred())

	select {
	case <-w.ResultChan():
		// this is it
	case <-time.After(time.Minute):
		err = fmt.Errorf("expected a new replica set to be created")
		Expect(err).NotTo(HaveOccurred())
	}

	// Pause the deployment and delete the replica set.
	// The paused deployment shouldn't recreate a new one.
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Paused = true
	})
	Expect(err).NotTo(HaveOccurred())

	// Use observedGeneration to determine if the controller noticed the pause.
	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	// Update the deployment template - the new replicaset should stay the same
	framework.Logf("Updating paused deployment %q", deploymentName)
	newTGPS := int64(40)
	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
		update.Spec.Template.Spec.TerminationGracePeriodSeconds = &newTGPS
	})
	Expect(err).NotTo(HaveOccurred())

	err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
	Expect(err).NotTo(HaveOccurred())

	framework.Logf("Looking for new replicaset for paused deployment %q (there should be none)", deploymentName)
	newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	if newRS != nil {
		err = fmt.Errorf("No replica set should match the deployment template but there is %q", newRS.Name)
		Expect(err).NotTo(HaveOccurred())
	}

	_, allOldRs, err := deploymentutil.GetOldReplicaSets(deployment, c)
	Expect(err).NotTo(HaveOccurred())
	if len(allOldRs) != 1 {
		err = fmt.Errorf("expected an old replica set")
		Expect(err).NotTo(HaveOccurred())
	}
	framework.Logf("Comparing deployment diff with old replica set %q", allOldRs[0].Name)
	if *allOldRs[0].Spec.Template.Spec.TerminationGracePeriodSeconds == newTGPS {
		err = fmt.Errorf("TerminationGracePeriodSeconds on the replica set should be %d but is %d", tgps, newTGPS)
		Expect(err).NotTo(HaveOccurred())
	}
}