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Conformance: Add StatefulSet tests.
This commit is contained in:
Anthony Yeh
parent
6a7656b693
commit
1e82d1399c
5
test/conformance/testdata/conformance.txt
vendored
5
test/conformance/testdata/conformance.txt
vendored
@ -1,6 +1,11 @@
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test/e2e/apimachinery/custom_resource_definition.go: "creating/deleting custom resource definition objects works "
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test/e2e/apps/rc.go: "should serve a basic image on each replica with a public image "
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test/e2e/apps/replica_set.go: "should serve a basic image on each replica with a public image "
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test/e2e/apps/statefulset.go: "should perform rolling updates and roll backs of template modifications"
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test/e2e/apps/statefulset.go: "should perform canary updates and phased rolling updates of template modifications"
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test/e2e/apps/statefulset.go: "Scaling should happen in predictable order and halt if any stateful pod is unhealthy"
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test/e2e/apps/statefulset.go: "Burst scaling should run to completion even with unhealthy pods"
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test/e2e/apps/statefulset.go: "Should recreate evicted statefulset"
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test/e2e/auth/service_accounts.go: "should mount an API token into pods "
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test/e2e/auth/service_accounts.go: "should allow opting out of API token automount "
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test/e2e/common/configmap.go: "should be consumable via environment variable "
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@ -88,6 +88,8 @@ var _ = SIGDescribe("StatefulSet", func() {
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framework.DeleteAllStatefulSets(c, ns)
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})
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// This can't be Conformance yet because it depends on a default
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// StorageClass and a dynamic provisioner.
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It("should provide basic identity", func() {
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By("Creating statefulset " + ssName + " in namespace " + ns)
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*(ss.Spec.Replicas) = 3
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@ -125,6 +127,8 @@ var _ = SIGDescribe("StatefulSet", func() {
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framework.ExpectNoError(sst.ExecInStatefulPods(ss, cmd))
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})
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// This can't be Conformance yet because it depends on a default
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// StorageClass and a dynamic provisioner.
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It("should adopt matching orphans and release non-matching pods", func() {
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By("Creating statefulset " + ssName + " in namespace " + ns)
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*(ss.Spec.Replicas) = 1
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@ -208,6 +212,8 @@ var _ = SIGDescribe("StatefulSet", func() {
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)).To(Succeed(), "wait for pod %q to be readopted", pod.Name)
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})
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// This can't be Conformance yet because it depends on a default
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// StorageClass and a dynamic provisioner.
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It("should not deadlock when a pod's predecessor fails", func() {
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By("Creating statefulset " + ssName + " in namespace " + ns)
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*(ss.Spec.Replicas) = 2
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@ -242,7 +248,15 @@ var _ = SIGDescribe("StatefulSet", func() {
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sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
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})
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It("should perform rolling updates and roll backs of template modifications", func() {
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/*
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Testname: StatefulSet-RollingUpdate
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Description: StatefulSet MUST support the RollingUpdate strategy to automatically replace Pods
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one at a time when the Pod template changes. The StatefulSet's status MUST indicate the
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CurrentRevision and UpdateRevision. If the template is changed to match a prior revision,
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StatefulSet MUST detect this as a rollback instead of creating a new revision.
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This test does not depend on a preexisting default StorageClass or a dynamic provisioner.
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*/
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framework.ConformanceIt("should perform rolling updates and roll backs of template modifications", func() {
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By("Creating a new StatefulSet")
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ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
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sst := framework.NewStatefulSetTester(c)
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@ -291,7 +305,7 @@ var _ = SIGDescribe("StatefulSet", func() {
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ss, pods = sst.WaitForPodReady(ss, pods.Items[1].Name)
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ss, pods = sst.WaitForRollingUpdate(ss)
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Expect(ss.Status.CurrentRevision).To(Equal(updateRevision),
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fmt.Sprintf("StatefulSet %s/%s current revision %s does not equal updste revision %s on update completion",
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fmt.Sprintf("StatefulSet %s/%s current revision %s does not equal update revision %s on update completion",
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ss.Namespace,
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ss.Name,
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ss.Status.CurrentRevision,
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@ -357,7 +371,14 @@ var _ = SIGDescribe("StatefulSet", func() {
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}
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})
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It("should perform canary updates and phased rolling updates of template modifications", func() {
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/*
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Testname: StatefulSet-RollingUpdatePartition
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Description: StatefulSet's RollingUpdate strategy MUST support the Partition parameter for
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canaries and phased rollouts. If a Pod is deleted while a rolling update is in progress,
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StatefulSet MUST restore the Pod without violating the Partition.
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This test does not depend on a preexisting default StorageClass or a dynamic provisioner.
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*/
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framework.ConformanceIt("should perform canary updates and phased rolling updates of template modifications", func() {
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By("Creating a new StaefulSet")
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ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
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sst := framework.NewStatefulSetTester(c)
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@ -421,7 +442,7 @@ var _ = SIGDescribe("StatefulSet", func() {
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currentRevision))
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}
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By("By performing a canary update")
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By("Performing a canary update")
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ss.Spec.UpdateStrategy = apps.StatefulSetUpdateStrategy{
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Type: apps.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
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@ -566,6 +587,8 @@ var _ = SIGDescribe("StatefulSet", func() {
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})
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// Do not mark this as Conformance.
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// The legacy OnDelete strategy only exists for backward compatibility with pre-v1 APIs.
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It("should implement legacy replacement when the update strategy is OnDelete", func() {
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By("Creating a new StatefulSet")
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ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
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@ -646,7 +669,14 @@ var _ = SIGDescribe("StatefulSet", func() {
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}
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})
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It("Scaling should happen in predictable order and halt if any stateful pod is unhealthy", func() {
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/*
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Testname: StatefulSet-Scaling
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Description: StatefulSet MUST create Pods in ascending order by ordinal index when scaling up,
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and delete Pods in descending order when scaling down. Scaling up or down MUST pause if any
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Pods belonging to the StatefulSet are unhealthy.
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This test does not depend on a preexisting default StorageClass or a dynamic provisioner.
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*/
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framework.ConformanceIt("Scaling should happen in predictable order and halt if any stateful pod is unhealthy", func() {
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psLabels := klabels.Set(labels)
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By("Initializing watcher for selector " + psLabels.String())
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watcher, err := f.ClientSet.CoreV1().Pods(ns).Watch(metav1.ListOptions{
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@ -722,7 +752,12 @@ var _ = SIGDescribe("StatefulSet", func() {
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Expect(err).NotTo(HaveOccurred())
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})
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It("Burst scaling should run to completion even with unhealthy pods", func() {
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/*
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Testname: StatefulSet-BurstScaling
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Description: StatefulSet MUST support the Parallel PodManagementPolicy for burst scaling.
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This test does not depend on a preexisting default StorageClass or a dynamic provisioner.
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*/
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framework.ConformanceIt("Burst scaling should run to completion even with unhealthy pods", func() {
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psLabels := klabels.Set(labels)
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By("Creating stateful set " + ssName + " in namespace " + ns)
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@ -760,7 +795,13 @@ var _ = SIGDescribe("StatefulSet", func() {
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sst.WaitForStatusReplicas(ss, 0)
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})
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It("Should recreate evicted statefulset", func() {
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/*
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Testname: StatefulSet-RecreateFailedPod
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Description: StatefulSet MUST delete and recreate Pods it owns that go into a Failed state,
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such as when they are rejected or evicted by a Node.
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This test does not depend on a preexisting default StorageClass or a dynamic provisioner.
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*/
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framework.ConformanceIt("Should recreate evicted statefulset", func() {
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podName := "test-pod"
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statefulPodName := ssName + "-0"
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By("Looking for a node to schedule stateful set and pod")
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@ -901,21 +942,29 @@ var _ = SIGDescribe("StatefulSet", func() {
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framework.DeleteAllStatefulSets(c, ns)
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})
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// Do not mark this as Conformance.
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// StatefulSet Conformance should not be dependent on specific applications.
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It("should creating a working zookeeper cluster", func() {
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appTester.statefulPod = &zookeeperTester{tester: sst}
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appTester.run()
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})
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// Do not mark this as Conformance.
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// StatefulSet Conformance should not be dependent on specific applications.
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It("should creating a working redis cluster", func() {
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appTester.statefulPod = &redisTester{tester: sst}
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appTester.run()
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})
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// Do not mark this as Conformance.
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// StatefulSet Conformance should not be dependent on specific applications.
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It("should creating a working mysql cluster", func() {
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appTester.statefulPod = &mysqlGaleraTester{tester: sst}
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appTester.run()
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})
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// Do not mark this as Conformance.
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// StatefulSet Conformance should not be dependent on specific applications.
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It("should creating a working CockroachDB cluster", func() {
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appTester.statefulPod = &cockroachDBTester{tester: sst}
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appTester.run()
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