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Add e2e tests for StatefulSetStartOrdinal feature #115468

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k8s-ci-robot merged 1 commit into from
Mar 10, 2023
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Add e2e tests for StatefulSetStartOrdinal feature #115468

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163 changes: 163 additions & 0 deletions test/e2e/apps/statefulset.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1460,6 +1460,162 @@ var _ = SIGDescribe("StatefulSet", func() {
framework.ExpectEqual(pod.Spec.NodeName, readyNode.Name) // confirm the pod was scheduled back to the original node
})
})

ginkgo.Describe("Scaling StatefulSetStartOrdinal [Feature:StatefulSetStartOrdinal]", func() {
ssName := "ss"
labels := map[string]string{
"foo": "bar",
"baz": "blah",
}
headlessSvcName := "test"
var ss *appsv1.StatefulSet

ginkgo.BeforeEach(func(ctx context.Context) {
ss = e2estatefulset.NewStatefulSet(ssName, ns, headlessSvcName, 2, nil, nil, labels)

ginkgo.By("Creating service " + headlessSvcName + " in namespace " + ns)
headlessService := e2eservice.CreateServiceSpec(headlessSvcName, "", true, labels)
_, err := c.CoreV1().Services(ns).Create(ctx, headlessService, metav1.CreateOptions{})
framework.ExpectNoError(err)
})

ginkgo.AfterEach(func(ctx context.Context) {
if ginkgo.CurrentSpecReport().Failed() {
e2eoutput.DumpDebugInfo(ctx, c, ns)
}
framework.Logf("Deleting all statefulset in ns %v", ns)
e2estatefulset.DeleteAllStatefulSets(ctx, c, ns)
})

ginkgo.It("Setting .start.ordinal", func(ctx context.Context) {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
*(ss.Spec.Replicas) = 2
_, err := c.AppsV1().StatefulSets(ns).Create(ctx, ss, metav1.CreateOptions{})
framework.ExpectNoError(err)
waitForStatus(ctx, c, ss)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 0")
pods := e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-0", "ss-1"})

ginkgo.By("Setting .spec.replicas = 3 .spec.ordinals.start = 2")
ss, err = updateStatefulSetWithRetries(ctx, c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 2,
}
*(update.Spec.Replicas) = 3
})
framework.ExpectNoError(err)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 3)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 3)

ginkgo.By("Confirming 3 replicas, with start ordinal 2")
pods = e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-2", "ss-3", "ss-4"})
})

ginkgo.It("Increasing .start.ordinal", func(ctx context.Context) {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
*(ss.Spec.Replicas) = 2
ss.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 2,
}
_, err := c.AppsV1().StatefulSets(ns).Create(ctx, ss, metav1.CreateOptions{})
framework.ExpectNoError(err)
waitForStatus(ctx, c, ss)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 2")
pods := e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-2", "ss-3"})

ginkgo.By("Increasing .spec.ordinals.start = 4")
ss, err = updateStatefulSetWithRetries(ctx, c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 4,
}
})
framework.ExpectNoError(err)
waitForStatus(ctx, c, ss)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 4")
pods = e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-4", "ss-5"})
})

ginkgo.It("Decreasing .start.ordinal", func(ctx context.Context) {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
*(ss.Spec.Replicas) = 2
ss.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 3,
}
_, err := c.AppsV1().StatefulSets(ns).Create(ctx, ss, metav1.CreateOptions{})
framework.ExpectNoError(err)
waitForStatus(ctx, c, ss)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 3")
pods := e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-3", "ss-4"})

ginkgo.By("Decreasing .spec.ordinals.start = 2")
ss, err = updateStatefulSetWithRetries(ctx, c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 2,
}
})
framework.ExpectNoError(err)
waitForStatus(ctx, c, ss)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 2")
pods = e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-2", "ss-3"})
})

ginkgo.It("Removing .start.ordinal", func(ctx context.Context) {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
*(ss.Spec.Replicas) = 2
ss.Spec.Ordinals = &appsv1.StatefulSetOrdinals{
Start: 3,
}
_, err := c.AppsV1().StatefulSets(ns).Create(ctx, ss, metav1.CreateOptions{})
framework.ExpectNoError(err)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 3")
pods := e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-3", "ss-4"})

ginkgo.By("Removing .spec.ordinals")
ss, err = updateStatefulSetWithRetries(ctx, c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Ordinals = nil
})
framework.ExpectNoError(err)
e2estatefulset.WaitForStatusReplicas(ctx, c, ss, 2)
e2estatefulset.WaitForStatusReadyReplicas(ctx, c, ss, 2)

ginkgo.By("Confirming 2 replicas, with start ordinal 0")
pods = e2estatefulset.GetPodList(ctx, c, ss)
e2estatefulset.SortStatefulPods(pods)
expectPodNames(pods, []string{"ss-0", "ss-1"})
})
})
})

func uncordonNode(ctx context.Context, c clientset.Interface, oldData, newData []byte, nodeName string) {
Expand Down Expand Up @@ -2020,3 +2176,10 @@ func verifyStatefulSetPVCsExistWithOwnerRefs(ctx context.Context, c clientset.In
return true, nil
})
}

func expectPodNames(pods *v1.PodList, expectedPodNames []string) {
framework.ExpectEqual(len(pods.Items), len(expectedPodNames), "unexpected number of pods")
for i, pod := range pods.Items {
framework.ExpectEqual(pod.Name, expectedPodNames[i], "unexpected pod name")
}
}