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Code Issues Projects Releases Wiki Activity

Refactor statefulset e2e tests

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This commit is contained in:
goodluckbot 2019-06-25 11:33:58 +08:00
parent 896c901684
commit 032dde8754
21 changed files with 1213 additions and 1133 deletions
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1
test/e2e/apps/BUILD
View File

@ -69,6 +69,7 @@ go_library(
"//test/e2e/framework/pod:go_default_library",
"//test/e2e/framework/replicaset:go_default_library",
"//test/e2e/framework/ssh:go_default_library",
"//test/e2e/framework/statefulset:go_default_library",
"//test/utils:go_default_library",
"//test/utils/image:go_default_library",
"//vendor/github.com/davecgh/go-spew/spew:go_default_library",

18
test/e2e/apps/network_partition.go
View File

@ -40,6 +40,7 @@ import (
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
testutils "k8s.io/kubernetes/test/utils"
"github.com/onsi/ginkgo"
@ -371,18 +372,16 @@ var _ = SIGDescribe("Network Partition [Disruptive] [Slow]", func() {
framework.DumpDebugInfo(c, ns)
}
e2elog.Logf("Deleting all stateful set in ns %v", ns)
framework.DeleteAllStatefulSets(c, ns)
e2esset.DeleteAllStatefulSets(c, ns)
})
ginkgo.It("should come back up if node goes down [Slow] [Disruptive]", func() {
petMounts := []v1.VolumeMount{{Name: "datadir", MountPath: "/data/"}}
podMounts := []v1.VolumeMount{{Name: "home", MountPath: "/home"}}
ps := framework.NewStatefulSet(psName, ns, headlessSvcName, 3, petMounts, podMounts, labels)
ps := e2esset.NewStatefulSet(psName, ns, headlessSvcName, 3, petMounts, podMounts, labels)
_, err := c.AppsV1().StatefulSets(ns).Create(ps)
framework.ExpectNoError(err)
pst := framework.NewStatefulSetTester(c)
nn, err := e2enode.TotalRegistered(f.ClientSet)
framework.ExpectNoError(err)
nodes, err := e2enode.CheckReady(f.ClientSet, nn, framework.NodeReadyInitialTimeout)
@ -390,18 +389,17 @@ var _ = SIGDescribe("Network Partition [Disruptive] [Slow]", func() {
common.RestartNodes(f.ClientSet, nodes)
ginkgo.By("waiting for pods to be running again")
pst.WaitForRunningAndReady(*ps.Spec.Replicas, ps)
e2esset.WaitForRunningAndReady(c, *ps.Spec.Replicas, ps)
})
ginkgo.It("should not reschedule stateful pods if there is a network partition [Slow] [Disruptive]", func() {
ps := framework.NewStatefulSet(psName, ns, headlessSvcName, 3, []v1.VolumeMount{}, []v1.VolumeMount{}, labels)
ps := e2esset.NewStatefulSet(psName, ns, headlessSvcName, 3, []v1.VolumeMount{}, []v1.VolumeMount{}, labels)
_, err := c.AppsV1().StatefulSets(ns).Create(ps)
framework.ExpectNoError(err)
pst := framework.NewStatefulSetTester(c)
pst.WaitForRunningAndReady(*ps.Spec.Replicas, ps)
e2esset.WaitForRunningAndReady(c, *ps.Spec.Replicas, ps)
pod := pst.GetPodList(ps).Items[0]
pod := e2esset.GetPodList(c, ps).Items[0]
node, err := c.CoreV1().Nodes().Get(pod.Spec.NodeName, metav1.GetOptions{})
framework.ExpectNoError(err)
@ -420,7 +418,7 @@ var _ = SIGDescribe("Network Partition [Disruptive] [Slow]", func() {
}
ginkgo.By("waiting for pods to be running again")
pst.WaitForRunningAndReady(*ps.Spec.Replicas, ps)
e2esset.WaitForRunningAndReady(c, *ps.Spec.Replicas, ps)
})
})

308
test/e2e/apps/statefulset.go
View File

@ -36,6 +36,7 @@ import (
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
imageutils "k8s.io/kubernetes/test/utils/image"
)
@ -76,7 +77,7 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.BeforeEach(func() {
statefulPodMounts = []v1.VolumeMount{{Name: "datadir", MountPath: "/data/"}}
podMounts = []v1.VolumeMount{{Name: "home", MountPath: "/home"}}
ss = framework.NewStatefulSet(ssName, ns, headlessSvcName, 2, statefulPodMounts, podMounts, labels)
ss = e2esset.NewStatefulSet(ssName, ns, headlessSvcName, 2, statefulPodMounts, podMounts, labels)
ginkgo.By("Creating service " + headlessSvcName + " in namespace " + ns)
headlessService := framework.CreateServiceSpec(headlessSvcName, "", true, labels)
@ -89,7 +90,7 @@ var _ = SIGDescribe("StatefulSet", func() {
framework.DumpDebugInfo(c, ns)
}
e2elog.Logf("Deleting all statefulset in ns %v", ns)
framework.DeleteAllStatefulSets(c, ns)
e2esset.DeleteAllStatefulSets(c, ns)
})
// This can't be Conformance yet because it depends on a default
@ -98,38 +99,37 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
framework.SkipIfNoDefaultStorageClass(c)
*(ss.Spec.Replicas) = 3
sst := framework.NewStatefulSetTester(c)
sst.PauseNewPods(ss)
e2esset.PauseNewPods(ss)
_, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
ginkgo.By("Saturating stateful set " + ss.Name)
sst.Saturate(ss)
e2esset.Saturate(c, ss)
ginkgo.By("Verifying statefulset mounted data directory is usable")
framework.ExpectNoError(sst.CheckMount(ss, "/data"))
framework.ExpectNoError(e2esset.CheckMount(c, ss, "/data"))
ginkgo.By("Verifying statefulset provides a stable hostname for each pod")
framework.ExpectNoError(sst.CheckHostname(ss))
framework.ExpectNoError(e2esset.CheckHostname(c, ss))
ginkgo.By("Verifying statefulset set proper service name")
framework.ExpectNoError(sst.CheckServiceName(ss, headlessSvcName))
framework.ExpectNoError(e2esset.CheckServiceName(ss, headlessSvcName))
cmd := "echo $(hostname) | dd of=/data/hostname conv=fsync"
ginkgo.By("Running " + cmd + " in all stateful pods")
framework.ExpectNoError(sst.ExecInStatefulPods(ss, cmd))
framework.ExpectNoError(e2esset.ExecInStatefulPods(c, ss, cmd))
ginkgo.By("Restarting statefulset " + ss.Name)
sst.Restart(ss)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
e2esset.Restart(c, ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ginkgo.By("Verifying statefulset mounted data directory is usable")
framework.ExpectNoError(sst.CheckMount(ss, "/data"))
framework.ExpectNoError(e2esset.CheckMount(c, ss, "/data"))
cmd = "if [ \"$(cat /data/hostname)\" = \"$(hostname)\" ]; then exit 0; else exit 1; fi"
ginkgo.By("Running " + cmd + " in all stateful pods")
framework.ExpectNoError(sst.ExecInStatefulPods(ss, cmd))
framework.ExpectNoError(e2esset.ExecInStatefulPods(c, ss, cmd))
})
// This can't be Conformance yet because it depends on a default
@ -138,8 +138,7 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
framework.SkipIfNoDefaultStorageClass(c)
*(ss.Spec.Replicas) = 1
sst := framework.NewStatefulSetTester(c)
sst.PauseNewPods(ss)
e2esset.PauseNewPods(ss)
// Replace ss with the one returned from Create() so it has the UID.
// Save Kind since it won't be populated in the returned ss.
@ -149,8 +148,8 @@ var _ = SIGDescribe("StatefulSet", func() {
ss.Kind = kind
ginkgo.By("Saturating stateful set " + ss.Name)
sst.Saturate(ss)
pods := sst.GetPodList(ss)
e2esset.Saturate(c, ss)
pods := e2esset.GetPodList(c, ss)
gomega.Expect(pods.Items).To(gomega.HaveLen(int(*ss.Spec.Replicas)))
ginkgo.By("Checking that stateful set pods are created with ControllerRef")
@ -167,7 +166,7 @@ var _ = SIGDescribe("StatefulSet", func() {
})
ginkgo.By("Checking that the stateful set readopts the pod")
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "adopted", framework.StatefulSetTimeout,
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "adopted", e2esset.StatefulSetTimeout,
func(pod *v1.Pod) (bool, error) {
controllerRef := metav1.GetControllerOf(pod)
if controllerRef == nil {
@ -187,7 +186,7 @@ var _ = SIGDescribe("StatefulSet", func() {
})
ginkgo.By("Checking that the stateful set releases the pod")
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "released", framework.StatefulSetTimeout,
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "released", e2esset.StatefulSetTimeout,
func(pod *v1.Pod) (bool, error) {
controllerRef := metav1.GetControllerOf(pod)
if controllerRef != nil {
@ -204,7 +203,7 @@ var _ = SIGDescribe("StatefulSet", func() {
})
ginkgo.By("Checking that the stateful set readopts the pod")
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "adopted", framework.StatefulSetTimeout,
gomega.Expect(e2epod.WaitForPodCondition(c, pod.Namespace, pod.Name, "adopted", e2esset.StatefulSetTimeout,
func(pod *v1.Pod) (bool, error) {
controllerRef := metav1.GetControllerOf(pod)
if controllerRef == nil {
@ -224,35 +223,34 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
framework.SkipIfNoDefaultStorageClass(c)
*(ss.Spec.Replicas) = 2
sst := framework.NewStatefulSetTester(c)
sst.PauseNewPods(ss)
e2esset.PauseNewPods(ss)
_, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
sst.WaitForRunning(1, 0, ss)
e2esset.WaitForRunning(c, 1, 0, ss)
ginkgo.By("Resuming stateful pod at index 0.")
sst.ResumeNextPod(ss)
e2esset.ResumeNextPod(c, ss)
ginkgo.By("Waiting for stateful pod at index 1 to enter running.")
sst.WaitForRunning(2, 1, ss)
e2esset.WaitForRunning(c, 2, 1, ss)
// Now we have 1 healthy and 1 unhealthy stateful pod. Deleting the healthy stateful pod should *not*
// create a new stateful pod till the remaining stateful pod becomes healthy, which won't happen till
// we set the healthy bit.
ginkgo.By("Deleting healthy stateful pod at index 0.")
sst.DeleteStatefulPodAtIndex(0, ss)
e2esset.DeleteStatefulPodAtIndex(c, 0, ss)
ginkgo.By("Confirming stateful pod at index 0 is recreated.")
sst.WaitForRunning(2, 1, ss)
e2esset.WaitForRunning(c, 2, 1, ss)
ginkgo.By("Resuming stateful pod at index 1.")
sst.ResumeNextPod(ss)
e2esset.ResumeNextPod(c, ss)
ginkgo.By("Confirming all stateful pods in statefulset are created.")
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
})
// This can't be Conformance yet because it depends on a default
@ -271,7 +269,7 @@ var _ = SIGDescribe("StatefulSet", func() {
*/
framework.ConformanceIt("should perform rolling updates and roll backs of template modifications", func() {
ginkgo.By("Creating a new StatefulSet")
ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
ss := e2esset.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
rollbackTest(c, ns, ss)
})
@ -282,9 +280,8 @@ var _ = SIGDescribe("StatefulSet", func() {
*/
framework.ConformanceIt("should perform canary updates and phased rolling updates of template modifications", func() {
ginkgo.By("Creating a new StatefulSet")
ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
ss := e2esset.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
e2esset.SetHTTPProbe(ss)
ss.Spec.UpdateStrategy = appsv1.StatefulSetUpdateStrategy{
Type: appsv1.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *appsv1.RollingUpdateStatefulSetStrategy {
@ -297,13 +294,13 @@ var _ = SIGDescribe("StatefulSet", func() {
}
ss, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
ss = sst.WaitForStatus(ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision := ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).To(gomega.Equal(updateRevision),
fmt.Sprintf("StatefulSet %s/%s created with update revision %s not equal to current revision %s",
ss.Namespace, ss.Name, updateRevision, currentRevision))
pods := sst.GetPodList(ss)
pods := e2esset.GetPodList(c, ss)
for i := range pods.Items {
gomega.Expect(pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel]).To(gomega.Equal(currentRevision),
fmt.Sprintf("Pod %s/%s revision %s is not equal to currentRevision %s",
@ -317,13 +314,13 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By(fmt.Sprintf("Updating stateful set template: update image from %s to %s", oldImage, newImage))
gomega.Expect(oldImage).NotTo(gomega.Equal(newImage), "Incorrect test setup: should update to a different image")
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Template.Spec.Containers[0].Image = newImage
})
framework.ExpectNoError(err)
ginkgo.By("Creating a new revision")
ss = sst.WaitForStatus(ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision = ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).NotTo(gomega.Equal(updateRevision),
"Current revision should not equal update revision during rolling update")
@ -355,7 +352,7 @@ var _ = SIGDescribe("StatefulSet", func() {
}()}
}(),
}
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.UpdateStrategy = appsv1.StatefulSetUpdateStrategy{
Type: appsv1.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *appsv1.RollingUpdateStatefulSetStrategy {
@ -368,7 +365,7 @@ var _ = SIGDescribe("StatefulSet", func() {
}
})
framework.ExpectNoError(err)
ss, pods = sst.WaitForPartitionedRollingUpdate(ss)
ss, pods = e2esset.WaitForPartitionedRollingUpdate(c, ss)
for i := range pods.Items {
if i < int(*ss.Spec.UpdateStrategy.RollingUpdate.Partition) {
gomega.Expect(pods.Items[i].Spec.Containers[0].Image).To(gomega.Equal(oldImage),
@ -400,11 +397,11 @@ var _ = SIGDescribe("StatefulSet", func() {
}
ginkgo.By("Restoring Pods to the correct revision when they are deleted")
sst.DeleteStatefulPodAtIndex(0, ss)
sst.DeleteStatefulPodAtIndex(2, ss)
sst.WaitForRunningAndReady(3, ss)
ss = sst.GetStatefulSet(ss.Namespace, ss.Name)
pods = sst.GetPodList(ss)
e2esset.DeleteStatefulPodAtIndex(c, 0, ss)
e2esset.DeleteStatefulPodAtIndex(c, 2, ss)
e2esset.WaitForRunningAndReady(c, 3, ss)
ss = e2esset.GetStatefulSet(c, ss.Namespace, ss.Name)
pods = e2esset.GetPodList(c, ss)
for i := range pods.Items {
if i < int(*ss.Spec.UpdateStrategy.RollingUpdate.Partition) {
gomega.Expect(pods.Items[i].Spec.Containers[0].Image).To(gomega.Equal(oldImage),
@ -437,7 +434,7 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By("Performing a phased rolling update")
for i := int(*ss.Spec.UpdateStrategy.RollingUpdate.Partition) - 1; i >= 0; i-- {
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.UpdateStrategy = appsv1.StatefulSetUpdateStrategy{
Type: appsv1.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *appsv1.RollingUpdateStatefulSetStrategy {
@ -449,7 +446,7 @@ var _ = SIGDescribe("StatefulSet", func() {
}
})
framework.ExpectNoError(err)
ss, pods = sst.WaitForPartitionedRollingUpdate(ss)
ss, pods = e2esset.WaitForPartitionedRollingUpdate(c, ss)
for i := range pods.Items {
if i < int(*ss.Spec.UpdateStrategy.RollingUpdate.Partition) {
gomega.Expect(pods.Items[i].Spec.Containers[0].Image).To(gomega.Equal(oldImage),
@ -493,21 +490,20 @@ var _ = SIGDescribe("StatefulSet", func() {
// The legacy OnDelete strategy only exists for backward compatibility with pre-v1 APIs.
ginkgo.It("should implement legacy replacement when the update strategy is OnDelete", func() {
ginkgo.By("Creating a new StatefulSet")
ss := framework.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
ss := e2esset.NewStatefulSet("ss2", ns, headlessSvcName, 3, nil, nil, labels)
e2esset.SetHTTPProbe(ss)
ss.Spec.UpdateStrategy = appsv1.StatefulSetUpdateStrategy{
Type: appsv1.OnDeleteStatefulSetStrategyType,
}
ss, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
ss = sst.WaitForStatus(ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision := ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).To(gomega.Equal(updateRevision),
fmt.Sprintf("StatefulSet %s/%s created with update revision %s not equal to current revision %s",
ss.Namespace, ss.Name, updateRevision, currentRevision))
pods := sst.GetPodList(ss)
pods := e2esset.GetPodList(c, ss)
for i := range pods.Items {
gomega.Expect(pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel]).To(gomega.Equal(currentRevision),
fmt.Sprintf("Pod %s/%s revision %s is not equal to current revision %s",
@ -518,12 +514,12 @@ var _ = SIGDescribe("StatefulSet", func() {
}
ginkgo.By("Restoring Pods to the current revision")
sst.DeleteStatefulPodAtIndex(0, ss)
sst.DeleteStatefulPodAtIndex(1, ss)
sst.DeleteStatefulPodAtIndex(2, ss)
sst.WaitForRunningAndReady(3, ss)
ss = sst.GetStatefulSet(ss.Namespace, ss.Name)
pods = sst.GetPodList(ss)
e2esset.DeleteStatefulPodAtIndex(c, 0, ss)
e2esset.DeleteStatefulPodAtIndex(c, 1, ss)
e2esset.DeleteStatefulPodAtIndex(c, 2, ss)
e2esset.WaitForRunningAndReady(c, 3, ss)
ss = e2esset.GetStatefulSet(c, ss.Namespace, ss.Name)
pods = e2esset.GetPodList(c, ss)
for i := range pods.Items {
gomega.Expect(pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel]).To(gomega.Equal(currentRevision),
fmt.Sprintf("Pod %s/%s revision %s is not equal to current revision %s",
@ -537,24 +533,24 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By(fmt.Sprintf("Updating stateful set template: update image from %s to %s", oldImage, newImage))
gomega.Expect(oldImage).NotTo(gomega.Equal(newImage), "Incorrect test setup: should update to a different image")
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Template.Spec.Containers[0].Image = newImage
})
framework.ExpectNoError(err)
ginkgo.By("Creating a new revision")
ss = sst.WaitForStatus(ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision = ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).NotTo(gomega.Equal(updateRevision),
"Current revision should not equal update revision during rolling update")
ginkgo.By("Recreating Pods at the new revision")
sst.DeleteStatefulPodAtIndex(0, ss)
sst.DeleteStatefulPodAtIndex(1, ss)
sst.DeleteStatefulPodAtIndex(2, ss)
sst.WaitForRunningAndReady(3, ss)
ss = sst.GetStatefulSet(ss.Namespace, ss.Name)
pods = sst.GetPodList(ss)
e2esset.DeleteStatefulPodAtIndex(c, 0, ss)
e2esset.DeleteStatefulPodAtIndex(c, 1, ss)
e2esset.DeleteStatefulPodAtIndex(c, 2, ss)
e2esset.WaitForRunningAndReady(c, 3, ss)
ss = e2esset.GetStatefulSet(c, ss.Namespace, ss.Name)
pods = e2esset.GetPodList(c, ss)
for i := range pods.Items {
gomega.Expect(pods.Items[i].Spec.Containers[0].Image).To(gomega.Equal(newImage),
fmt.Sprintf("Pod %s/%s has image %s not equal to new image %s",
@ -585,29 +581,28 @@ var _ = SIGDescribe("StatefulSet", func() {
framework.ExpectNoError(err)
ginkgo.By("Creating stateful set " + ssName + " in namespace " + ns)
ss := framework.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, psLabels)
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
ss := e2esset.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, psLabels)
e2esset.SetHTTPProbe(ss)
ss, err = c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
ginkgo.By("Waiting until all stateful set " + ssName + " replicas will be running in namespace " + ns)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ginkgo.By("Confirming that stateful set scale up will halt with unhealthy stateful pod")
sst.BreakHTTPProbe(ss)
sst.WaitForRunningAndNotReady(*ss.Spec.Replicas, ss)
sst.WaitForStatusReadyReplicas(ss, 0)
sst.UpdateReplicas(ss, 3)
sst.ConfirmStatefulPodCount(1, ss, 10*time.Second, true)
e2esset.BreakHTTPProbe(c, ss)
e2esset.WaitForRunningAndNotReady(c, *ss.Spec.Replicas, ss)
e2esset.WaitForStatusReadyReplicas(c, ss, 0)
e2esset.UpdateReplicas(c, ss, 3)
e2esset.ConfirmStatefulPodCount(c, 1, ss, 10*time.Second, true)
ginkgo.By("Scaling up stateful set " + ssName + " to 3 replicas and waiting until all of them will be running in namespace " + ns)
sst.RestoreHTTPProbe(ss)
sst.WaitForRunningAndReady(3, ss)
e2esset.RestoreHTTPProbe(c, ss)
e2esset.WaitForRunningAndReady(c, 3, ss)
ginkgo.By("Verifying that stateful set " + ssName + " was scaled up in order")
expectedOrder := []string{ssName + "-0", ssName + "-1", ssName + "-2"}
ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), framework.StatefulSetTimeout)
ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), e2esset.StatefulSetTimeout)
defer cancel()
_, err = watchtools.UntilWithoutRetry(ctx, watcher, func(event watch.Event) (bool, error) {
if event.Type != watch.Added {
@ -628,19 +623,19 @@ var _ = SIGDescribe("StatefulSet", func() {
})
framework.ExpectNoError(err)
sst.BreakHTTPProbe(ss)
sst.WaitForStatusReadyReplicas(ss, 0)
sst.WaitForRunningAndNotReady(3, ss)
sst.UpdateReplicas(ss, 0)
sst.ConfirmStatefulPodCount(3, ss, 10*time.Second, true)
e2esset.BreakHTTPProbe(c, ss)
e2esset.WaitForStatusReadyReplicas(c, ss, 0)
e2esset.WaitForRunningAndNotReady(c, 3, ss)
e2esset.UpdateReplicas(c, ss, 0)
e2esset.ConfirmStatefulPodCount(c, 3, ss, 10*time.Second, true)
ginkgo.By("Scaling down stateful set " + ssName + " to 0 replicas and waiting until none of pods will run in namespace" + ns)
sst.RestoreHTTPProbe(ss)
sst.Scale(ss, 0)
e2esset.RestoreHTTPProbe(c, ss)
e2esset.Scale(c, ss, 0)
ginkgo.By("Verifying that stateful set " + ssName + " was scaled down in reverse order")
expectedOrder = []string{ssName + "-2", ssName + "-1", ssName + "-0"}
ctx, cancel = watchtools.ContextWithOptionalTimeout(context.Background(), framework.StatefulSetTimeout)
ctx, cancel = watchtools.ContextWithOptionalTimeout(context.Background(), e2esset.StatefulSetTimeout)
defer cancel()
_, err = watchtools.UntilWithoutRetry(ctx, watcher, func(event watch.Event) (bool, error) {
if event.Type != watch.Deleted {
@ -665,38 +660,37 @@ var _ = SIGDescribe("StatefulSet", func() {
psLabels := klabels.Set(labels)
ginkgo.By("Creating stateful set " + ssName + " in namespace " + ns)
ss := framework.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, psLabels)
ss := e2esset.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, psLabels)
ss.Spec.PodManagementPolicy = appsv1.ParallelPodManagement
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
e2esset.SetHTTPProbe(ss)
ss, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
ginkgo.By("Waiting until all stateful set " + ssName + " replicas will be running in namespace " + ns)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ginkgo.By("Confirming that stateful set scale up will not halt with unhealthy stateful pod")
sst.BreakHTTPProbe(ss)
sst.WaitForRunningAndNotReady(*ss.Spec.Replicas, ss)
sst.WaitForStatusReadyReplicas(ss, 0)
sst.UpdateReplicas(ss, 3)
sst.ConfirmStatefulPodCount(3, ss, 10*time.Second, false)
e2esset.BreakHTTPProbe(c, ss)
e2esset.WaitForRunningAndNotReady(c, *ss.Spec.Replicas, ss)
e2esset.WaitForStatusReadyReplicas(c, ss, 0)
e2esset.UpdateReplicas(c, ss, 3)
e2esset.ConfirmStatefulPodCount(c, 3, ss, 10*time.Second, false)
ginkgo.By("Scaling up stateful set " + ssName + " to 3 replicas and waiting until all of them will be running in namespace " + ns)
sst.RestoreHTTPProbe(ss)
sst.WaitForRunningAndReady(3, ss)
e2esset.RestoreHTTPProbe(c, ss)
e2esset.WaitForRunningAndReady(c, 3, ss)
ginkgo.By("Scale down will not halt with unhealthy stateful pod")
sst.BreakHTTPProbe(ss)
sst.WaitForStatusReadyReplicas(ss, 0)
sst.WaitForRunningAndNotReady(3, ss)
sst.UpdateReplicas(ss, 0)
sst.ConfirmStatefulPodCount(0, ss, 10*time.Second, false)
e2esset.BreakHTTPProbe(c, ss)
e2esset.WaitForStatusReadyReplicas(c, ss, 0)
e2esset.WaitForRunningAndNotReady(c, 3, ss)
e2esset.UpdateReplicas(c, ss, 0)
e2esset.ConfirmStatefulPodCount(c, 0, ss, 10*time.Second, false)
ginkgo.By("Scaling down stateful set " + ssName + " to 0 replicas and waiting until none of pods will run in namespace" + ns)
sst.RestoreHTTPProbe(ss)
sst.Scale(ss, 0)
sst.WaitForStatusReplicas(ss, 0)
e2esset.RestoreHTTPProbe(c, ss)
e2esset.Scale(c, ss, 0)
e2esset.WaitForStatusReplicas(c, ss, 0)
})
/*
@ -732,7 +726,7 @@ var _ = SIGDescribe("StatefulSet", func() {
framework.ExpectNoError(err)
ginkgo.By("Creating statefulset with conflicting port in namespace " + f.Namespace.Name)
ss := framework.NewStatefulSet(ssName, f.Namespace.Name, headlessSvcName, 1, nil, nil, labels)
ss := e2esset.NewStatefulSet(ssName, f.Namespace.Name, headlessSvcName, 1, nil, nil, labels)
statefulPodContainer := &ss.Spec.Template.Spec.Containers[0]
statefulPodContainer.Ports = append(statefulPodContainer.Ports, conflictingPort)
ss.Spec.Template.Spec.NodeName = node.Name
@ -748,7 +742,7 @@ var _ = SIGDescribe("StatefulSet", func() {
ginkgo.By("Waiting until stateful pod " + statefulPodName + " will be recreated and deleted at least once in namespace " + f.Namespace.Name)
w, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Watch(metav1.SingleObject(metav1.ObjectMeta{Name: statefulPodName}))
framework.ExpectNoError(err)
ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), framework.StatefulPodTimeout)
ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), e2esset.StatefulPodTimeout)
defer cancel()
// we need to get UID from pod in any state and wait until stateful set controller will remove pod at least once
_, err = watchtools.UntilWithoutRetry(ctx, w, func(event watch.Event) (bool, error) {
@ -782,23 +776,22 @@ var _ = SIGDescribe("StatefulSet", func() {
return err
}
if statefulPod.Status.Phase != v1.PodRunning {
return fmt.Errorf("Pod %v is not in running phase: %v", statefulPod.Name, statefulPod.Status.Phase)
return fmt.Errorf("pod %v is not in running phase: %v", statefulPod.Name, statefulPod.Status.Phase)
} else if statefulPod.UID == initialStatefulPodUID {
return fmt.Errorf("Pod %v wasn't recreated: %v == %v", statefulPod.Name, statefulPod.UID, initialStatefulPodUID)
return fmt.Errorf("pod %v wasn't recreated: %v == %v", statefulPod.Name, statefulPod.UID, initialStatefulPodUID)
}
return nil
}, framework.StatefulPodTimeout, 2*time.Second).Should(gomega.BeNil())
}, e2esset.StatefulPodTimeout, 2*time.Second).Should(gomega.BeNil())
})
ginkgo.It("should have a working scale subresource", func() {
ginkgo.By("Creating statefulset " + ssName + " in namespace " + ns)
ss := framework.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, labels)
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
ss := e2esset.NewStatefulSet(ssName, ns, headlessSvcName, 1, nil, nil, labels)
e2esset.SetHTTPProbe(ss)
ss, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
ss = sst.WaitForStatus(ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ss = e2esset.WaitForStatus(c, ss)
ginkgo.By("getting scale subresource")
scale, err := c.AppsV1().StatefulSets(ns).GetScale(ssName, metav1.GetOptions{})
@ -826,12 +819,10 @@ var _ = SIGDescribe("StatefulSet", func() {
})
framework.KubeDescribe("Deploy clustered applications [Feature:StatefulSet] [Slow]", func() {
var sst *framework.StatefulSetTester
var appTester *clusterAppTester
ginkgo.BeforeEach(func() {
sst = framework.NewStatefulSetTester(c)
appTester = &clusterAppTester{tester: sst, ns: ns}
appTester = &clusterAppTester{client: c, ns: ns}
})
ginkgo.AfterEach(func() {
@ -839,34 +830,34 @@ var _ = SIGDescribe("StatefulSet", func() {
framework.DumpDebugInfo(c, ns)
}
e2elog.Logf("Deleting all statefulset in ns %v", ns)
framework.DeleteAllStatefulSets(c, ns)
e2esset.DeleteAllStatefulSets(c, ns)
})
// Do not mark this as Conformance.
// StatefulSet Conformance should not be dependent on specific applications.
ginkgo.It("should creating a working zookeeper cluster", func() {
appTester.statefulPod = &zookeeperTester{tester: sst}
appTester.statefulPod = &zookeeperTester{client: c}
appTester.run()
})
// Do not mark this as Conformance.
// StatefulSet Conformance should not be dependent on specific applications.
ginkgo.It("should creating a working redis cluster", func() {
appTester.statefulPod = &redisTester{tester: sst}
appTester.statefulPod = &redisTester{client: c}
appTester.run()
})
// Do not mark this as Conformance.
// StatefulSet Conformance should not be dependent on specific applications.
ginkgo.It("should creating a working mysql cluster", func() {
appTester.statefulPod = &mysqlGaleraTester{tester: sst}
appTester.statefulPod = &mysqlGaleraTester{client: c}
appTester.run()
})
// Do not mark this as Conformance.
// StatefulSet Conformance should not be dependent on specific applications.
ginkgo.It("should creating a working CockroachDB cluster", func() {
appTester.statefulPod = &cockroachDBTester{tester: sst}
appTester.statefulPod = &cockroachDBTester{client: c}
appTester.run()
})
})
@ -894,7 +885,7 @@ type statefulPodTester interface {
type clusterAppTester struct {
ns string
statefulPod statefulPodTester
tester *framework.StatefulSetTester
client clientset.Interface
}
func (c *clusterAppTester) run() {
@ -910,8 +901,8 @@ func (c *clusterAppTester) run() {
default:
if restartCluster {
ginkgo.By("Restarting stateful set " + ss.Name)
c.tester.Restart(ss)
c.tester.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
e2esset.Restart(c.client, ss)
e2esset.WaitForRunningAndReady(c.client, *ss.Spec.Replicas, ss)
}
}
@ -923,7 +914,7 @@ func (c *clusterAppTester) run() {
type zookeeperTester struct {
ss *appsv1.StatefulSet
tester *framework.StatefulSetTester
client clientset.Interface
}
func (z *zookeeperTester) name() string {
@ -931,7 +922,7 @@ func (z *zookeeperTester) name() string {
}
func (z *zookeeperTester) deploy(ns string) *appsv1.StatefulSet {
z.ss = z.tester.CreateStatefulSet(zookeeperManifestPath, ns)
z.ss = e2esset.CreateStatefulSet(z.client, zookeeperManifestPath, ns)
return z.ss
}
@ -953,7 +944,7 @@ func (z *zookeeperTester) read(statefulPodIndex int, key string) string {
type mysqlGaleraTester struct {
ss *appsv1.StatefulSet
tester *framework.StatefulSetTester
client clientset.Interface
}
func (m *mysqlGaleraTester) name() string {
@ -969,7 +960,7 @@ func (m *mysqlGaleraTester) mysqlExec(cmd, ns, podName string) string {
}
func (m *mysqlGaleraTester) deploy(ns string) *appsv1.StatefulSet {
m.ss = m.tester.CreateStatefulSet(mysqlGaleraManifestPath, ns)
m.ss = e2esset.CreateStatefulSet(m.client, mysqlGaleraManifestPath, ns)
e2elog.Logf("Deployed statefulset %v, initializing database", m.ss.Name)
for _, cmd := range []string{
@ -996,7 +987,7 @@ func (m *mysqlGaleraTester) read(statefulPodIndex int, key string) string {
type redisTester struct {
ss *appsv1.StatefulSet
tester *framework.StatefulSetTester
client clientset.Interface
}
func (m *redisTester) name() string {
@ -1009,7 +1000,7 @@ func (m *redisTester) redisExec(cmd, ns, podName string) string {
}
func (m *redisTester) deploy(ns string) *appsv1.StatefulSet {
m.ss = m.tester.CreateStatefulSet(redisManifestPath, ns)
m.ss = e2esset.CreateStatefulSet(m.client, redisManifestPath, ns)
return m.ss
}
@ -1027,7 +1018,7 @@ func (m *redisTester) read(statefulPodIndex int, key string) string {
type cockroachDBTester struct {
ss *appsv1.StatefulSet
tester *framework.StatefulSetTester
client clientset.Interface
}
func (c *cockroachDBTester) name() string {
@ -1040,7 +1031,7 @@ func (c *cockroachDBTester) cockroachDBExec(cmd, ns, podName string) string {
}
func (c *cockroachDBTester) deploy(ns string) *appsv1.StatefulSet {
c.ss = c.tester.CreateStatefulSet(cockroachDBManifestPath, ns)
c.ss = e2esset.CreateStatefulSet(c.client, cockroachDBManifestPath, ns)
e2elog.Logf("Deployed statefulset %v, initializing database", c.ss.Name)
for _, cmd := range []string{
"CREATE DATABASE IF NOT EXISTS foo;",
@ -1088,17 +1079,16 @@ func pollReadWithTimeout(statefulPod statefulPodTester, statefulPodNumber int, k
// This function is used by two tests to test StatefulSet rollbacks: one using
// PVCs and one using no storage.
func rollbackTest(c clientset.Interface, ns string, ss *appsv1.StatefulSet) {
sst := framework.NewStatefulSetTester(c)
sst.SetHTTPProbe(ss)
e2esset.SetHTTPProbe(ss)
ss, err := c.AppsV1().StatefulSets(ns).Create(ss)
framework.ExpectNoError(err)
sst.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
ss = sst.WaitForStatus(ss)
e2esset.WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision := ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).To(gomega.Equal(updateRevision),
fmt.Sprintf("StatefulSet %s/%s created with update revision %s not equal to current revision %s",
ss.Namespace, ss.Name, updateRevision, currentRevision))
pods := sst.GetPodList(ss)
pods := e2esset.GetPodList(c, ss)
for i := range pods.Items {
gomega.Expect(pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel]).To(gomega.Equal(currentRevision),
fmt.Sprintf("Pod %s/%s revision %s is not equal to current revision %s",
@ -1107,33 +1097,33 @@ func rollbackTest(c clientset.Interface, ns string, ss *appsv1.StatefulSet) {
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel],
currentRevision))
}
sst.SortStatefulPods(pods)
err = sst.BreakPodHTTPProbe(ss, &pods.Items[1])
e2esset.SortStatefulPods(pods)
err = e2esset.BreakPodHTTPProbe(ss, &pods.Items[1])
framework.ExpectNoError(err)
ss, pods = sst.WaitForPodNotReady(ss, pods.Items[1].Name)
ss, pods = e2esset.WaitForPodNotReady(c, ss, pods.Items[1].Name)
newImage := NewWebserverImage
oldImage := ss.Spec.Template.Spec.Containers[0].Image
ginkgo.By(fmt.Sprintf("Updating StatefulSet template: update image from %s to %s", oldImage, newImage))
gomega.Expect(oldImage).NotTo(gomega.Equal(newImage), "Incorrect test setup: should update to a different image")
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Template.Spec.Containers[0].Image = newImage
})
framework.ExpectNoError(err)
ginkgo.By("Creating a new revision")
ss = sst.WaitForStatus(ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision = ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).NotTo(gomega.Equal(updateRevision),
"Current revision should not equal update revision during rolling update")
ginkgo.By("Updating Pods in reverse ordinal order")
pods = sst.GetPodList(ss)
sst.SortStatefulPods(pods)
err = sst.RestorePodHTTPProbe(ss, &pods.Items[1])
pods = e2esset.GetPodList(c, ss)
e2esset.SortStatefulPods(pods)
err = e2esset.RestorePodHTTPProbe(ss, &pods.Items[1])
framework.ExpectNoError(err)
ss, pods = sst.WaitForPodReady(ss, pods.Items[1].Name)
ss, pods = sst.WaitForRollingUpdate(ss)
ss, pods = e2esset.WaitForPodReady(c, ss, pods.Items[1].Name)
ss, pods = e2esset.WaitForRollingUpdate(c, ss)
gomega.Expect(ss.Status.CurrentRevision).To(gomega.Equal(updateRevision),
fmt.Sprintf("StatefulSet %s/%s current revision %s does not equal update revision %s on update completion",
ss.Namespace,
@ -1156,16 +1146,16 @@ func rollbackTest(c clientset.Interface, ns string, ss *appsv1.StatefulSet) {
}
ginkgo.By("Rolling back to a previous revision")
err = sst.BreakPodHTTPProbe(ss, &pods.Items[1])
err = e2esset.BreakPodHTTPProbe(ss, &pods.Items[1])
framework.ExpectNoError(err)
ss, pods = sst.WaitForPodNotReady(ss, pods.Items[1].Name)
ss, pods = e2esset.WaitForPodNotReady(c, ss, pods.Items[1].Name)
priorRevision := currentRevision
currentRevision, updateRevision = ss.Status.CurrentRevision, ss.Status.UpdateRevision
ss, err = framework.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
ss, err = e2esset.UpdateStatefulSetWithRetries(c, ns, ss.Name, func(update *appsv1.StatefulSet) {
update.Spec.Template.Spec.Containers[0].Image = oldImage
})
framework.ExpectNoError(err)
ss = sst.WaitForStatus(ss)
ss = e2esset.WaitForStatus(c, ss)
currentRevision, updateRevision = ss.Status.CurrentRevision, ss.Status.UpdateRevision
gomega.Expect(currentRevision).NotTo(gomega.Equal(updateRevision),
"Current revision should not equal update revision during roll back")
@ -1173,11 +1163,11 @@ func rollbackTest(c clientset.Interface, ns string, ss *appsv1.StatefulSet) {
"Prior revision should equal update revision during roll back")
ginkgo.By("Rolling back update in reverse ordinal order")
pods = sst.GetPodList(ss)
sst.SortStatefulPods(pods)
sst.RestorePodHTTPProbe(ss, &pods.Items[1])
ss, pods = sst.WaitForPodReady(ss, pods.Items[1].Name)
ss, pods = sst.WaitForRollingUpdate(ss)
pods = e2esset.GetPodList(c, ss)
e2esset.SortStatefulPods(pods)
e2esset.RestorePodHTTPProbe(ss, &pods.Items[1])
ss, pods = e2esset.WaitForPodReady(c, ss, pods.Items[1].Name)
ss, pods = e2esset.WaitForRollingUpdate(c, ss)
gomega.Expect(ss.Status.CurrentRevision).To(gomega.Equal(priorRevision),
fmt.Sprintf("StatefulSet %s/%s current revision %s does not equal prior revision %s on rollback completion",
ss.Namespace,

4
test/e2e/framework/BUILD
View File

@ -27,7 +27,6 @@ go_library(
"resource_usage_gatherer.go",
"service_util.go",
"size.go",
"statefulset_utils.go",
"test_context.go",
"util.go",
],
@ -56,7 +55,6 @@ go_library(
"//pkg/util/taints:go_default_library",
"//pkg/volume/util:go_default_library",
"//staging/src/k8s.io/api/apps/v1:go_default_library",
"//staging/src/k8s.io/api/apps/v1beta2:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/policy/v1beta1:go_default_library",
"//staging/src/k8s.io/api/rbac/v1:go_default_library",
@ -107,7 +105,6 @@ go_library(
"//test/e2e/framework/resource:go_default_library",
"//test/e2e/framework/ssh:go_default_library",
"//test/e2e/framework/testfiles:go_default_library",
"//test/e2e/manifest:go_default_library",
"//test/e2e/perftype:go_default_library",
"//test/utils:go_default_library",
"//test/utils/image:go_default_library",
@ -159,6 +156,7 @@ filegroup(
"//test/e2e/framework/replicaset:all-srcs",
"//test/e2e/framework/resource:all-srcs",
"//test/e2e/framework/ssh:all-srcs",
"//test/e2e/framework/statefulset:all-srcs",
"//test/e2e/framework/testfiles:all-srcs",
"//test/e2e/framework/timer:all-srcs",
"//test/e2e/framework/viperconfig:all-srcs",

45
test/e2e/framework/statefulset/BUILD Normal file
View File

@ -0,0 +1,45 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = [
"const.go",
"fixtures.go",
"rest.go",
"wait.go",
],
importpath = "k8s.io/kubernetes/test/e2e/framework/statefulset",
visibility = ["//visibility:public"],
deps = [
"//pkg/api/v1/pod:go_default_library",
"//staging/src/k8s.io/api/apps/v1:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//test/e2e/framework:go_default_library",
"//test/e2e/framework/log:go_default_library",
"//test/e2e/framework/pod:go_default_library",
"//test/e2e/manifest:go_default_library",
"//test/utils/image:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)

30
test/e2e/framework/statefulset/const.go Normal file
View File

@ -0,0 +1,30 @@
/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package statefulset
import (
"time"
)
const (
// StatefulSetPoll is a poll interval for StatefulSet tests
StatefulSetPoll = 10 * time.Second
// StatefulSetTimeout is a timeout interval for StatefulSet operations
StatefulSetTimeout = 10 * time.Minute
// StatefulPodTimeout is a timeout for stateful pods to change state
StatefulPodTimeout = 5 * time.Minute
)

278
test/e2e/framework/statefulset/fixtures.go Normal file
View File

@ -0,0 +1,278 @@
/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package statefulset
import (
"fmt"
"reflect"
"regexp"
"sort"
"strconv"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
clientset "k8s.io/client-go/kubernetes"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
e2efwk "k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
imageutils "k8s.io/kubernetes/test/utils/image"
)
// NewStatefulSet creates a new Webserver StatefulSet for testing. The StatefulSet is named name, is in namespace ns,
// statefulPodsMounts are the mounts that will be backed by PVs. podsMounts are the mounts that are mounted directly
// to the Pod. labels are the labels that will be usd for the StatefulSet selector.
func NewStatefulSet(name, ns, governingSvcName string, replicas int32, statefulPodMounts []corev1.VolumeMount, podMounts []corev1.VolumeMount, labels map[string]string) *appsv1.StatefulSet {
mounts := append(statefulPodMounts, podMounts...)
claims := []corev1.PersistentVolumeClaim{}
for _, m := range statefulPodMounts {
claims = append(claims, NewStatefulSetPVC(m.Name))
}
vols := []corev1.Volume{}
for _, m := range podMounts {
vols = append(vols, corev1.Volume{
Name: m.Name,
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: fmt.Sprintf("/tmp/%v", m.Name),
},
},
})
}
return &appsv1.StatefulSet{
TypeMeta: metav1.TypeMeta{
Kind: "StatefulSet",
APIVersion: "apps/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: appsv1.StatefulSetSpec{
Selector: &metav1.LabelSelector{
MatchLabels: labels,
},
Replicas: func(i int32) *int32 { return &i }(replicas),
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
Annotations: map[string]string{},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "webserver",
Image: imageutils.GetE2EImage(imageutils.Httpd),
VolumeMounts: mounts,
},
},
Volumes: vols,
},
},
UpdateStrategy: appsv1.StatefulSetUpdateStrategy{Type: appsv1.RollingUpdateStatefulSetStrategyType},
VolumeClaimTemplates: claims,
ServiceName: governingSvcName,
},
}
}
// NewStatefulSetPVC returns a PersistentVolumeClaim named name, for testing StatefulSets.
func NewStatefulSetPVC(name string) corev1.PersistentVolumeClaim {
return corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{
corev1.ReadWriteOnce,
},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceStorage: *resource.NewQuantity(1, resource.BinarySI),
},
},
},
}
}
// CreateStatefulSetService creates a Headless Service with Name name and Selector set to match labels.
func CreateStatefulSetService(name string, labels map[string]string) *corev1.Service {
headlessService := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: corev1.ServiceSpec{
Selector: labels,
},
}
headlessService.Spec.Ports = []corev1.ServicePort{
{Port: 80, Name: "http", Protocol: corev1.ProtocolTCP},
}
headlessService.Spec.ClusterIP = "None"
return headlessService
}
// SetHTTPProbe sets the pod template's ReadinessProbe for Webserver StatefulSet containers.
// This probe can then be controlled with BreakHTTPProbe() and RestoreHTTPProbe().
// Note that this cannot be used together with PauseNewPods().
func SetHTTPProbe(ss *appsv1.StatefulSet) {
ss.Spec.Template.Spec.Containers[0].ReadinessProbe = httpProbe
}
// BreakHTTPProbe breaks the readiness probe for Nginx StatefulSet containers in ss.
func BreakHTTPProbe(c clientset.Interface, ss *appsv1.StatefulSet) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /usr/local/apache2/htdocs%v /tmp/ || true", path)
return ExecInStatefulPods(c, ss, cmd)
}
// BreakPodHTTPProbe breaks the readiness probe for Nginx StatefulSet containers in one pod.
func BreakPodHTTPProbe(ss *appsv1.StatefulSet, pod *corev1.Pod) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /usr/local/apache2/htdocs%v /tmp/ || true", path)
stdout, err := e2efwk.RunHostCmdWithRetries(pod.Namespace, pod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, pod.Name, stdout)
return err
}
// RestoreHTTPProbe restores the readiness probe for Nginx StatefulSet containers in ss.
func RestoreHTTPProbe(c clientset.Interface, ss *appsv1.StatefulSet) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /tmp%v /usr/local/apache2/htdocs/ || true", path)
return ExecInStatefulPods(c, ss, cmd)
}
// RestorePodHTTPProbe restores the readiness probe for Nginx StatefulSet containers in pod.
func RestorePodHTTPProbe(ss *appsv1.StatefulSet, pod *corev1.Pod) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /tmp%v /usr/local/apache2/htdocs/ || true", path)
stdout, err := e2efwk.RunHostCmdWithRetries(pod.Namespace, pod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, pod.Name, stdout)
return err
}
func hasPauseProbe(pod *corev1.Pod) bool {
probe := pod.Spec.Containers[0].ReadinessProbe
return probe != nil && reflect.DeepEqual(probe.Exec.Command, pauseProbe.Exec.Command)
}
var httpProbe = &corev1.Probe{
Handler: corev1.Handler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/index.html",
Port: intstr.IntOrString{IntVal: 80},
},
},
PeriodSeconds: 1,
SuccessThreshold: 1,
FailureThreshold: 1,
}
var pauseProbe = &corev1.Probe{
Handler: corev1.Handler{
Exec: &corev1.ExecAction{Command: []string{"test", "-f", "/data/statefulset-continue"}},
},
PeriodSeconds: 1,
SuccessThreshold: 1,
FailureThreshold: 1,
}
type statefulPodsByOrdinal []corev1.Pod
func (sp statefulPodsByOrdinal) Len() int {
return len(sp)
}
func (sp statefulPodsByOrdinal) Swap(i, j int) {
sp[i], sp[j] = sp[j], sp[i]
}
func (sp statefulPodsByOrdinal) Less(i, j int) bool {
return getStatefulPodOrdinal(&sp[i]) < getStatefulPodOrdinal(&sp[j])
}
// PauseNewPods adds an always-failing ReadinessProbe to the StatefulSet PodTemplate.
// This causes all newly-created Pods to stay Unready until they are manually resumed
// with ResumeNextPod().
// Note that this cannot be used together with SetHTTPProbe().
func PauseNewPods(ss *appsv1.StatefulSet) {
ss.Spec.Template.Spec.Containers[0].ReadinessProbe = pauseProbe
}
// ResumeNextPod allows the next Pod in the StatefulSet to continue by removing the ReadinessProbe
// added by PauseNewPods(), if it's still there.
// It fails the test if it finds any pods that are not in phase Running,
// or if it finds more than one paused Pod existing at the same time.
// This is a no-op if there are no paused pods.
func ResumeNextPod(c clientset.Interface, ss *appsv1.StatefulSet) {
podList := GetPodList(c, ss)
resumedPod := ""
for _, pod := range podList.Items {
if pod.Status.Phase != corev1.PodRunning {
e2elog.Failf("Found pod in phase %q, cannot resume", pod.Status.Phase)
}
if podutil.IsPodReady(&pod) || !hasPauseProbe(&pod) {
continue
}
if resumedPod != "" {
e2elog.Failf("Found multiple paused stateful pods: %v and %v", pod.Name, resumedPod)
}
_, err := e2efwk.RunHostCmdWithRetries(pod.Namespace, pod.Name, "dd if=/dev/zero of=/data/statefulset-continue bs=1 count=1 conv=fsync", StatefulSetPoll, StatefulPodTimeout)
e2efwk.ExpectNoError(err)
e2elog.Logf("Resumed pod %v", pod.Name)
resumedPod = pod.Name
}
}
// SortStatefulPods sorts pods by their ordinals
func SortStatefulPods(pods *corev1.PodList) {
sort.Sort(statefulPodsByOrdinal(pods.Items))
}
var statefulPodRegex = regexp.MustCompile("(.*)-([0-9]+)$")
func getStatefulPodOrdinal(pod *corev1.Pod) int {
ordinal := -1
subMatches := statefulPodRegex.FindStringSubmatch(pod.Name)
if len(subMatches) < 3 {
return ordinal
}
if i, err := strconv.ParseInt(subMatches[2], 10, 32); err == nil {
ordinal = int(i)
}
return ordinal
}

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/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package statefulset
import (
"fmt"
"path/filepath"
"strings"
"time"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
e2efwk "k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
"k8s.io/kubernetes/test/e2e/manifest"
)
// CreateStatefulSet creates a StatefulSet from the manifest at manifestPath in the Namespace ns using kubectl create.
func CreateStatefulSet(c clientset.Interface, manifestPath, ns string) *appsv1.StatefulSet {
mkpath := func(file string) string {
return filepath.Join(manifestPath, file)
}
e2elog.Logf("Parsing statefulset from %v", mkpath("statefulset.yaml"))
ss, err := manifest.StatefulSetFromManifest(mkpath("statefulset.yaml"), ns)
e2efwk.ExpectNoError(err)
e2elog.Logf("Parsing service from %v", mkpath("service.yaml"))
svc, err := manifest.SvcFromManifest(mkpath("service.yaml"))
e2efwk.ExpectNoError(err)
e2elog.Logf(fmt.Sprintf("creating " + ss.Name + " service"))
_, err = c.CoreV1().Services(ns).Create(svc)
e2efwk.ExpectNoError(err)
e2elog.Logf(fmt.Sprintf("creating statefulset %v/%v with %d replicas and selector %+v", ss.Namespace, ss.Name, *(ss.Spec.Replicas), ss.Spec.Selector))
_, err = c.AppsV1().StatefulSets(ns).Create(ss)
e2efwk.ExpectNoError(err)
WaitForRunningAndReady(c, *ss.Spec.Replicas, ss)
return ss
}
// GetPodList gets the current Pods in ss.
func GetPodList(c clientset.Interface, ss *appsv1.StatefulSet) *corev1.PodList {
selector, err := metav1.LabelSelectorAsSelector(ss.Spec.Selector)
e2efwk.ExpectNoError(err)
podList, err := c.CoreV1().Pods(ss.Namespace).List(metav1.ListOptions{LabelSelector: selector.String()})
e2efwk.ExpectNoError(err)
return podList
}
// DeleteStatefulPodAtIndex deletes the Pod with ordinal index in ss.
func DeleteStatefulPodAtIndex(c clientset.Interface, index int, ss *appsv1.StatefulSet) {
name := getStatefulSetPodNameAtIndex(index, ss)
noGrace := int64(0)
if err := c.CoreV1().Pods(ss.Namespace).Delete(name, &metav1.DeleteOptions{GracePeriodSeconds: &noGrace}); err != nil {
e2elog.Failf("Failed to delete stateful pod %v for StatefulSet %v/%v: %v", name, ss.Namespace, ss.Name, err)
}
}
// DeleteAllStatefulSets deletes all StatefulSet API Objects in Namespace ns.
func DeleteAllStatefulSets(c clientset.Interface, ns string) {
ssList, err := c.AppsV1().StatefulSets(ns).List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
e2efwk.ExpectNoError(err)
// Scale down each statefulset, then delete it completely.
// Deleting a pvc without doing this will leak volumes, #25101.
errList := []string{}
for i := range ssList.Items {
ss := &ssList.Items[i]
var err error
if ss, err = Scale(c, ss, 0); err != nil {
errList = append(errList, fmt.Sprintf("%v", err))
}
WaitForStatusReplicas(c, ss, 0)
e2elog.Logf("Deleting statefulset %v", ss.Name)
// Use OrphanDependents=false so it's deleted synchronously.
// We already made sure the Pods are gone inside Scale().
if err := c.AppsV1().StatefulSets(ss.Namespace).Delete(ss.Name, &metav1.DeleteOptions{OrphanDependents: new(bool)}); err != nil {
errList = append(errList, fmt.Sprintf("%v", err))
}
}
// pvs are global, so we need to wait for the exact ones bound to the statefulset pvcs.
pvNames := sets.NewString()
// TODO: Don't assume all pvcs in the ns belong to a statefulset
pvcPollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
pvcList, err := c.CoreV1().PersistentVolumeClaims(ns).List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
if err != nil {
e2elog.Logf("WARNING: Failed to list pvcs, retrying %v", err)
return false, nil
}
for _, pvc := range pvcList.Items {
pvNames.Insert(pvc.Spec.VolumeName)
// TODO: Double check that there are no pods referencing the pvc
e2elog.Logf("Deleting pvc: %v with volume %v", pvc.Name, pvc.Spec.VolumeName)
if err := c.CoreV1().PersistentVolumeClaims(ns).Delete(pvc.Name, nil); err != nil {
return false, nil
}
}
return true, nil
})
if pvcPollErr != nil {
errList = append(errList, fmt.Sprintf("Timeout waiting for pvc deletion."))
}
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
pvList, err := c.CoreV1().PersistentVolumes().List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
if err != nil {
e2elog.Logf("WARNING: Failed to list pvs, retrying %v", err)
return false, nil
}
waitingFor := []string{}
for _, pv := range pvList.Items {
if pvNames.Has(pv.Name) {
waitingFor = append(waitingFor, fmt.Sprintf("%v: %+v", pv.Name, pv.Status))
}
}
if len(waitingFor) == 0 {
return true, nil
}
e2elog.Logf("Still waiting for pvs of statefulset to disappear:\n%v", strings.Join(waitingFor, "\n"))
return false, nil
})
if pollErr != nil {
errList = append(errList, fmt.Sprintf("Timeout waiting for pv provisioner to delete pvs, this might mean the test leaked pvs."))
}
if len(errList) != 0 {
e2efwk.ExpectNoError(fmt.Errorf("%v", strings.Join(errList, "\n")))
}
}
// UpdateStatefulSetWithRetries updates statfulset template with retries.
func UpdateStatefulSetWithRetries(c clientset.Interface, namespace, name string, applyUpdate updateStatefulSetFunc) (statefulSet *appsv1.StatefulSet, err error) {
statefulSets := c.AppsV1().StatefulSets(namespace)
var updateErr error
pollErr := wait.Poll(10*time.Millisecond, 1*time.Minute, func() (bool, error) {
if statefulSet, err = statefulSets.Get(name, metav1.GetOptions{}); err != nil {
return false, err
}
// Apply the update, then attempt to push it to the apiserver.
applyUpdate(statefulSet)
if statefulSet, err = statefulSets.Update(statefulSet); err == nil {
e2elog.Logf("Updating stateful set %s", name)
return true, nil
}
updateErr = err
return false, nil
})
if pollErr == wait.ErrWaitTimeout {
pollErr = fmt.Errorf("couldn't apply the provided updated to stateful set %q: %v", name, updateErr)
}
return statefulSet, pollErr
}
// Scale scales ss to count replicas.
func Scale(c clientset.Interface, ss *appsv1.StatefulSet, count int32) (*appsv1.StatefulSet, error) {
name := ss.Name
ns := ss.Namespace
e2elog.Logf("Scaling statefulset %s to %d", name, count)
ss = update(c, ns, name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = count })
var statefulPodList *corev1.PodList
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
statefulPodList = GetPodList(c, ss)
if int32(len(statefulPodList.Items)) == count {
return true, nil
}
return false, nil
})
if pollErr != nil {
unhealthy := []string{}
for _, statefulPod := range statefulPodList.Items {
delTs, phase, readiness := statefulPod.DeletionTimestamp, statefulPod.Status.Phase, podutil.IsPodReady(&statefulPod)
if delTs != nil || phase != corev1.PodRunning || !readiness {
unhealthy = append(unhealthy, fmt.Sprintf("%v: deletion %v, phase %v, readiness %v", statefulPod.Name, delTs, phase, readiness))
}
}
return ss, fmt.Errorf("Failed to scale statefulset to %d in %v. Remaining pods:\n%v", count, StatefulSetTimeout, unhealthy)
}
return ss, nil
}
// UpdateReplicas updates the replicas of ss to count.
func UpdateReplicas(c clientset.Interface, ss *appsv1.StatefulSet, count int32) {
update(c, ss.Namespace, ss.Name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = count })
}
// Restart scales ss to 0 and then back to its previous number of replicas.
func Restart(c clientset.Interface, ss *appsv1.StatefulSet) {
oldReplicas := *(ss.Spec.Replicas)
ss, err := Scale(c, ss, 0)
e2efwk.ExpectNoError(err)
// Wait for controller to report the desired number of Pods.
// This way we know the controller has observed all Pod deletions
// before we scale it back up.
WaitForStatusReplicas(c, ss, 0)
update(c, ss.Namespace, ss.Name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = oldReplicas })
}
// ConfirmStatefulPodCount asserts that the current number of Pods in ss is count, waiting up to timeout for ss to
// to scale to count.
func ConfirmStatefulPodCount(c clientset.Interface, count int, ss *appsv1.StatefulSet, timeout time.Duration, hard bool) {
start := time.Now()
deadline := start.Add(timeout)
for t := time.Now(); t.Before(deadline); t = time.Now() {
podList := GetPodList(c, ss)
statefulPodCount := len(podList.Items)
if statefulPodCount != count {
e2epod.LogPodStates(podList.Items)
if hard {
e2elog.Failf("StatefulSet %v scaled unexpectedly scaled to %d -> %d replicas", ss.Name, count, len(podList.Items))
} else {
e2elog.Logf("StatefulSet %v has not reached scale %d, at %d", ss.Name, count, statefulPodCount)
}
time.Sleep(1 * time.Second)
continue
}
e2elog.Logf("Verifying statefulset %v doesn't scale past %d for another %+v", ss.Name, count, deadline.Sub(t))
time.Sleep(1 * time.Second)
}
}
// GetStatefulSet gets the StatefulSet named name in namespace.
func GetStatefulSet(c clientset.Interface, namespace, name string) *appsv1.StatefulSet {
ss, err := c.AppsV1().StatefulSets(namespace).Get(name, metav1.GetOptions{})
if err != nil {
e2elog.Failf("Failed to get StatefulSet %s/%s: %v", namespace, name, err)
}
return ss
}
// CheckHostname verifies that all Pods in ss have the correct Hostname. If the returned error is not nil than verification failed.
func CheckHostname(c clientset.Interface, ss *appsv1.StatefulSet) error {
cmd := "printf $(hostname)"
podList := GetPodList(c, ss)
for _, statefulPod := range podList.Items {
hostname, err := e2efwk.RunHostCmdWithRetries(statefulPod.Namespace, statefulPod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
if err != nil {
return err
}
if hostname != statefulPod.Name {
return fmt.Errorf("unexpected hostname (%s) and stateful pod name (%s) not equal", hostname, statefulPod.Name)
}
}
return nil
}
// CheckMount checks that the mount at mountPath is valid for all Pods in ss.
func CheckMount(c clientset.Interface, ss *appsv1.StatefulSet, mountPath string) error {
for _, cmd := range []string{
// Print inode, size etc
fmt.Sprintf("ls -idlh %v", mountPath),
// Print subdirs
fmt.Sprintf("find %v", mountPath),
// Try writing
fmt.Sprintf("touch %v", filepath.Join(mountPath, fmt.Sprintf("%v", time.Now().UnixNano()))),
} {
if err := ExecInStatefulPods(c, ss, cmd); err != nil {
return fmt.Errorf("failed to execute %v, error: %v", cmd, err)
}
}
return nil
}
// CheckServiceName asserts that the ServiceName for ss is equivalent to expectedServiceName.
func CheckServiceName(ss *appsv1.StatefulSet, expectedServiceName string) error {
e2elog.Logf("Checking if statefulset spec.serviceName is %s", expectedServiceName)
if expectedServiceName != ss.Spec.ServiceName {
return fmt.Errorf("wrong service name governing statefulset. Expected %s got %s",
expectedServiceName, ss.Spec.ServiceName)
}
return nil
}
// ExecInStatefulPods executes cmd in all Pods in ss. If a error occurs it is returned and cmd is not execute in any subsequent Pods.
func ExecInStatefulPods(c clientset.Interface, ss *appsv1.StatefulSet, cmd string) error {
podList := GetPodList(c, ss)
for _, statefulPod := range podList.Items {
stdout, err := e2efwk.RunHostCmdWithRetries(statefulPod.Namespace, statefulPod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, statefulPod.Name, stdout)
if err != nil {
return err
}
}
return nil
}
type updateStatefulSetFunc func(*appsv1.StatefulSet)
// VerifyStatefulPodFunc is a func that examines a StatefulSetPod.
type VerifyStatefulPodFunc func(*corev1.Pod)
// VerifyPodAtIndex applies a visitor pattern to the Pod at index in ss. verify is applied to the Pod to "visit" it.
func VerifyPodAtIndex(c clientset.Interface, index int, ss *appsv1.StatefulSet, verify VerifyStatefulPodFunc) {
name := getStatefulSetPodNameAtIndex(index, ss)
pod, err := c.CoreV1().Pods(ss.Namespace).Get(name, metav1.GetOptions{})
e2efwk.ExpectNoError(err, fmt.Sprintf("Failed to get stateful pod %s for StatefulSet %s/%s", name, ss.Namespace, ss.Name))
verify(pod)
}
// udpate updates a statefulset, and it is only used within rest.go
func update(c clientset.Interface, ns, name string, update func(ss *appsv1.StatefulSet)) *appsv1.StatefulSet {
for i := 0; i < 3; i++ {
ss, err := c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
e2elog.Failf("failed to get statefulset %q: %v", name, err)
}
update(ss)
ss, err = c.AppsV1().StatefulSets(ns).Update(ss)
if err == nil {
return ss
}
if !apierrs.IsConflict(err) && !apierrs.IsServerTimeout(err) {
e2elog.Failf("failed to update statefulset %q: %v", name, err)
}
}
e2elog.Failf("too many retries draining statefulset %q", name)
return nil
}
// getStatefulSetPodNameAtIndex gets formated pod name given index.
func getStatefulSetPodNameAtIndex(index int, ss *appsv1.StatefulSet) string {
// TODO: we won't use "-index" as the name strategy forever,
// pull the name out from an identity mapper.
return fmt.Sprintf("%v-%v", ss.Name, index)
}

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/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package statefulset
import (
"fmt"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
)
// WaitForPartitionedRollingUpdate waits for all Pods in set to exist and have the correct revision. set must have
// a RollingUpdateStatefulSetStrategyType with a non-nil RollingUpdate and Partition. All Pods with ordinals less
// than or equal to the Partition are expected to be at set's current revision. All other Pods are expected to be
// at its update revision.
func WaitForPartitionedRollingUpdate(c clientset.Interface, set *appsv1.StatefulSet) (*appsv1.StatefulSet, *corev1.PodList) {
var pods *corev1.PodList
if set.Spec.UpdateStrategy.Type != appsv1.RollingUpdateStatefulSetStrategyType {
e2elog.Failf("StatefulSet %s/%s attempt to wait for partitioned update with updateStrategy %s",
set.Namespace,
set.Name,
set.Spec.UpdateStrategy.Type)
}
if set.Spec.UpdateStrategy.RollingUpdate == nil || set.Spec.UpdateStrategy.RollingUpdate.Partition == nil {
e2elog.Failf("StatefulSet %s/%s attempt to wait for partitioned update with nil RollingUpdate or nil Partition",
set.Namespace,
set.Name)
}
WaitForState(c, set, func(set2 *appsv1.StatefulSet, pods2 *corev1.PodList) (bool, error) {
set = set2
pods = pods2
partition := int(*set.Spec.UpdateStrategy.RollingUpdate.Partition)
if len(pods.Items) < int(*set.Spec.Replicas) {
return false, nil
}
if partition <= 0 && set.Status.UpdateRevision != set.Status.CurrentRevision {
e2elog.Logf("Waiting for StatefulSet %s/%s to complete update",
set.Namespace,
set.Name,
)
SortStatefulPods(pods)
for i := range pods.Items {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
}
}
return false, nil
}
for i := int(*set.Spec.Replicas) - 1; i >= partition; i-- {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
return false, nil
}
}
return true, nil
})
return set, pods
}
// WaitForRunning waits for numPodsRunning in ss to be Running and for the first
// numPodsReady ordinals to be Ready.
func WaitForRunning(c clientset.Interface, numPodsRunning, numPodsReady int32, ss *appsv1.StatefulSet) {
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
podList := GetPodList(c, ss)
SortStatefulPods(podList)
if int32(len(podList.Items)) < numPodsRunning {
e2elog.Logf("Found %d stateful pods, waiting for %d", len(podList.Items), numPodsRunning)
return false, nil
}
if int32(len(podList.Items)) > numPodsRunning {
return false, fmt.Errorf("too many pods scheduled, expected %d got %d", numPodsRunning, len(podList.Items))
}
for _, p := range podList.Items {
shouldBeReady := getStatefulPodOrdinal(&p) < int(numPodsReady)
isReady := podutil.IsPodReady(&p)
desiredReadiness := shouldBeReady == isReady
e2elog.Logf("Waiting for pod %v to enter %v - Ready=%v, currently %v - Ready=%v", p.Name, corev1.PodRunning, shouldBeReady, p.Status.Phase, isReady)
if p.Status.Phase != corev1.PodRunning || !desiredReadiness {
return false, nil
}
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for pods to enter running: %v", pollErr)
}
}
// WaitForState periodically polls for the ss and its pods until the until function returns either true or an error
func WaitForState(c clientset.Interface, ss *appsv1.StatefulSet, until func(*appsv1.StatefulSet, *corev1.PodList) (bool, error)) {
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := c.AppsV1().StatefulSets(ss.Namespace).Get(ss.Name, metav1.GetOptions{})
if err != nil {
return false, err
}
podList := GetPodList(c, ssGet)
return until(ssGet, podList)
})
if pollErr != nil {
e2elog.Failf("Failed waiting for state update: %v", pollErr)
}
}
// WaitForStatus waits for the StatefulSetStatus's ObservedGeneration to be greater than or equal to set's Generation.
// The returned StatefulSet contains such a StatefulSetStatus
func WaitForStatus(c clientset.Interface, set *appsv1.StatefulSet) *appsv1.StatefulSet {
WaitForState(c, set, func(set2 *appsv1.StatefulSet, pods *corev1.PodList) (bool, error) {
if set2.Status.ObservedGeneration >= set.Generation {
set = set2
return true, nil
}
return false, nil
})
return set
}
// WaitForRunningAndReady waits for numStatefulPods in ss to be Running and Ready.
func WaitForRunningAndReady(c clientset.Interface, numStatefulPods int32, ss *appsv1.StatefulSet) {
WaitForRunning(c, numStatefulPods, numStatefulPods, ss)
}
// WaitForPodReady waits for the Pod named podName in set to exist and have a Ready condition.
func WaitForPodReady(c clientset.Interface, set *appsv1.StatefulSet, podName string) (*appsv1.StatefulSet, *corev1.PodList) {
var pods *corev1.PodList
WaitForState(c, set, func(set2 *appsv1.StatefulSet, pods2 *corev1.PodList) (bool, error) {
set = set2
pods = pods2
for i := range pods.Items {
if pods.Items[i].Name == podName {
return podutil.IsPodReady(&pods.Items[i]), nil
}
}
return false, nil
})
return set, pods
}
// WaitForPodNotReady waits for the Pod named podName in set to exist and to not have a Ready condition.
func WaitForPodNotReady(c clientset.Interface, set *appsv1.StatefulSet, podName string) (*appsv1.StatefulSet, *corev1.PodList) {
var pods *corev1.PodList
WaitForState(c, set, func(set2 *appsv1.StatefulSet, pods2 *corev1.PodList) (bool, error) {
set = set2
pods = pods2
for i := range pods.Items {
if pods.Items[i].Name == podName {
return !podutil.IsPodReady(&pods.Items[i]), nil
}
}
return false, nil
})
return set, pods
}
// WaitForRollingUpdate waits for all Pods in set to exist and have the correct revision and for the RollingUpdate to
// complete. set must have a RollingUpdateStatefulSetStrategyType.
func WaitForRollingUpdate(c clientset.Interface, set *appsv1.StatefulSet) (*appsv1.StatefulSet, *corev1.PodList) {
var pods *corev1.PodList
if set.Spec.UpdateStrategy.Type != appsv1.RollingUpdateStatefulSetStrategyType {
e2elog.Failf("StatefulSet %s/%s attempt to wait for rolling update with updateStrategy %s",
set.Namespace,
set.Name,
set.Spec.UpdateStrategy.Type)
}
WaitForState(c, set, func(set2 *appsv1.StatefulSet, pods2 *corev1.PodList) (bool, error) {
set = set2
pods = pods2
if len(pods.Items) < int(*set.Spec.Replicas) {
return false, nil
}
if set.Status.UpdateRevision != set.Status.CurrentRevision {
e2elog.Logf("Waiting for StatefulSet %s/%s to complete update",
set.Namespace,
set.Name,
)
SortStatefulPods(pods)
for i := range pods.Items {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
}
}
return false, nil
}
return true, nil
})
return set, pods
}
// WaitForRunningAndNotReady waits for numStatefulPods in ss to be Running and not Ready.
func WaitForRunningAndNotReady(c clientset.Interface, numStatefulPods int32, ss *appsv1.StatefulSet) {
WaitForRunning(c, numStatefulPods, 0, ss)
}
// WaitForStatusReadyReplicas waits for the ss.Status.ReadyReplicas to be equal to expectedReplicas
func WaitForStatusReadyReplicas(c clientset.Interface, ss *appsv1.StatefulSet, expectedReplicas int32) {
e2elog.Logf("Waiting for statefulset status.replicas updated to %d", expectedReplicas)
ns, name := ss.Namespace, ss.Name
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
if ssGet.Status.ObservedGeneration < ss.Generation {
return false, nil
}
if ssGet.Status.ReadyReplicas != expectedReplicas {
e2elog.Logf("Waiting for stateful set status.readyReplicas to become %d, currently %d", expectedReplicas, ssGet.Status.ReadyReplicas)
return false, nil
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for stateful set status.readyReplicas updated to %d: %v", expectedReplicas, pollErr)
}
}
// WaitForStatusReplicas waits for the ss.Status.Replicas to be equal to expectedReplicas
func WaitForStatusReplicas(c clientset.Interface, ss *appsv1.StatefulSet, expectedReplicas int32) {
e2elog.Logf("Waiting for statefulset status.replicas updated to %d", expectedReplicas)
ns, name := ss.Namespace, ss.Name
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
if ssGet.Status.ObservedGeneration < ss.Generation {
return false, nil
}
if ssGet.Status.Replicas != expectedReplicas {
e2elog.Logf("Waiting for stateful set status.replicas to become %d, currently %d", expectedReplicas, ssGet.Status.Replicas)
return false, nil
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for stateful set status.replicas updated to %d: %v", expectedReplicas, pollErr)
}
}
// Saturate waits for all Pods in ss to become Running and Ready.
func Saturate(c clientset.Interface, ss *appsv1.StatefulSet) {
var i int32
for i = 0; i < *(ss.Spec.Replicas); i++ {
e2elog.Logf("Waiting for stateful pod at index %v to enter Running", i)
WaitForRunning(c, i+1, i, ss)
e2elog.Logf("Resuming stateful pod at index %v", i)
ResumeNextPod(c, ss)
}
}

895
test/e2e/framework/statefulset_utils.go
View File

@ -1,895 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package framework
import (
"fmt"
"path/filepath"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"time"
appsv1 "k8s.io/api/apps/v1"
appsv1beta2 "k8s.io/api/apps/v1beta2"
"k8s.io/api/core/v1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
"k8s.io/kubernetes/test/e2e/manifest"
imageutils "k8s.io/kubernetes/test/utils/image"
)
const (
// StatefulSetPoll is a poll interval for StatefulSet tests
StatefulSetPoll = 10 * time.Second
// StatefulSetTimeout is a timeout interval for StatefulSet operations
StatefulSetTimeout = 10 * time.Minute
// StatefulPodTimeout is a timeout for stateful pods to change state
StatefulPodTimeout = 5 * time.Minute
)
// CreateStatefulSetService creates a Headless Service with Name name and Selector set to match labels.
func CreateStatefulSetService(name string, labels map[string]string) *v1.Service {
headlessService := &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: v1.ServiceSpec{
Selector: labels,
},
}
headlessService.Spec.Ports = []v1.ServicePort{
{Port: 80, Name: "http", Protocol: v1.ProtocolTCP},
}
headlessService.Spec.ClusterIP = "None"
return headlessService
}
// StatefulSetTester is a struct that contains utility methods for testing StatefulSet related functionality. It uses a
// clientset.Interface to communicate with the API server.
type StatefulSetTester struct {
c clientset.Interface
}
// NewStatefulSetTester creates a StatefulSetTester that uses c to interact with the API server.
func NewStatefulSetTester(c clientset.Interface) *StatefulSetTester {
return &StatefulSetTester{c}
}
// GetStatefulSet gets the StatefulSet named name in namespace.
func (s *StatefulSetTester) GetStatefulSet(namespace, name string) *appsv1.StatefulSet {
ss, err := s.c.AppsV1().StatefulSets(namespace).Get(name, metav1.GetOptions{})
if err != nil {
e2elog.Failf("Failed to get StatefulSet %s/%s: %v", namespace, name, err)
}
return ss
}
// CreateStatefulSet creates a StatefulSet from the manifest at manifestPath in the Namespace ns using kubectl create.
func (s *StatefulSetTester) CreateStatefulSet(manifestPath, ns string) *appsv1.StatefulSet {
mkpath := func(file string) string {
return filepath.Join(manifestPath, file)
}
e2elog.Logf("Parsing statefulset from %v", mkpath("statefulset.yaml"))
ss, err := manifest.StatefulSetFromManifest(mkpath("statefulset.yaml"), ns)
ExpectNoError(err)
e2elog.Logf("Parsing service from %v", mkpath("service.yaml"))
svc, err := manifest.SvcFromManifest(mkpath("service.yaml"))
ExpectNoError(err)
e2elog.Logf(fmt.Sprintf("creating " + ss.Name + " service"))
_, err = s.c.CoreV1().Services(ns).Create(svc)
ExpectNoError(err)
e2elog.Logf(fmt.Sprintf("creating statefulset %v/%v with %d replicas and selector %+v", ss.Namespace, ss.Name, *(ss.Spec.Replicas), ss.Spec.Selector))
_, err = s.c.AppsV1().StatefulSets(ns).Create(ss)
ExpectNoError(err)
s.WaitForRunningAndReady(*ss.Spec.Replicas, ss)
return ss
}
// CheckMount checks that the mount at mountPath is valid for all Pods in ss.
func (s *StatefulSetTester) CheckMount(ss *appsv1.StatefulSet, mountPath string) error {
for _, cmd := range []string{
// Print inode, size etc
fmt.Sprintf("ls -idlh %v", mountPath),
// Print subdirs
fmt.Sprintf("find %v", mountPath),
// Try writing
fmt.Sprintf("touch %v", filepath.Join(mountPath, fmt.Sprintf("%v", time.Now().UnixNano()))),
} {
if err := s.ExecInStatefulPods(ss, cmd); err != nil {
return fmt.Errorf("failed to execute %v, error: %v", cmd, err)
}
}
return nil
}
// ExecInStatefulPods executes cmd in all Pods in ss. If a error occurs it is returned and cmd is not execute in any subsequent Pods.
func (s *StatefulSetTester) ExecInStatefulPods(ss *appsv1.StatefulSet, cmd string) error {
podList := s.GetPodList(ss)
for _, statefulPod := range podList.Items {
stdout, err := RunHostCmdWithRetries(statefulPod.Namespace, statefulPod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, statefulPod.Name, stdout)
if err != nil {
return err
}
}
return nil
}
// CheckHostname verifies that all Pods in ss have the correct Hostname. If the returned error is not nil than verification failed.
func (s *StatefulSetTester) CheckHostname(ss *appsv1.StatefulSet) error {
cmd := "printf $(hostname)"
podList := s.GetPodList(ss)
for _, statefulPod := range podList.Items {
hostname, err := RunHostCmdWithRetries(statefulPod.Namespace, statefulPod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
if err != nil {
return err
}
if hostname != statefulPod.Name {
return fmt.Errorf("unexpected hostname (%s) and stateful pod name (%s) not equal", hostname, statefulPod.Name)
}
}
return nil
}
// Saturate waits for all Pods in ss to become Running and Ready.
func (s *StatefulSetTester) Saturate(ss *appsv1.StatefulSet) {
var i int32
for i = 0; i < *(ss.Spec.Replicas); i++ {
e2elog.Logf("Waiting for stateful pod at index %v to enter Running", i)
s.WaitForRunning(i+1, i, ss)
e2elog.Logf("Resuming stateful pod at index %v", i)
s.ResumeNextPod(ss)
}
}
// DeleteStatefulPodAtIndex deletes the Pod with ordinal index in ss.
func (s *StatefulSetTester) DeleteStatefulPodAtIndex(index int, ss *appsv1.StatefulSet) {
name := getStatefulSetPodNameAtIndex(index, ss)
noGrace := int64(0)
if err := s.c.CoreV1().Pods(ss.Namespace).Delete(name, &metav1.DeleteOptions{GracePeriodSeconds: &noGrace}); err != nil {
e2elog.Failf("Failed to delete stateful pod %v for StatefulSet %v/%v: %v", name, ss.Namespace, ss.Name, err)
}
}
// VerifyStatefulPodFunc is a func that examines a StatefulSetPod.
type VerifyStatefulPodFunc func(*v1.Pod)
// VerifyPodAtIndex applies a visitor patter to the Pod at index in ss. verify is applied to the Pod to "visit" it.
func (s *StatefulSetTester) VerifyPodAtIndex(index int, ss *appsv1.StatefulSet, verify VerifyStatefulPodFunc) {
name := getStatefulSetPodNameAtIndex(index, ss)
pod, err := s.c.CoreV1().Pods(ss.Namespace).Get(name, metav1.GetOptions{})
ExpectNoError(err, fmt.Sprintf("Failed to get stateful pod %s for StatefulSet %s/%s", name, ss.Namespace, ss.Name))
verify(pod)
}
func getStatefulSetPodNameAtIndex(index int, ss *appsv1.StatefulSet) string {
// TODO: we won't use "-index" as the name strategy forever,
// pull the name out from an identity mapper.
return fmt.Sprintf("%v-%v", ss.Name, index)
}
// Scale scales ss to count replicas.
func (s *StatefulSetTester) Scale(ss *appsv1.StatefulSet, count int32) (*appsv1.StatefulSet, error) {
name := ss.Name
ns := ss.Namespace
e2elog.Logf("Scaling statefulset %s to %d", name, count)
ss = s.update(ns, name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = count })
var statefulPodList *v1.PodList
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
statefulPodList = s.GetPodList(ss)
if int32(len(statefulPodList.Items)) == count {
return true, nil
}
return false, nil
})
if pollErr != nil {
unhealthy := []string{}
for _, statefulPod := range statefulPodList.Items {
delTs, phase, readiness := statefulPod.DeletionTimestamp, statefulPod.Status.Phase, podutil.IsPodReady(&statefulPod)
if delTs != nil || phase != v1.PodRunning || !readiness {
unhealthy = append(unhealthy, fmt.Sprintf("%v: deletion %v, phase %v, readiness %v", statefulPod.Name, delTs, phase, readiness))
}
}
return ss, fmt.Errorf("Failed to scale statefulset to %d in %v. Remaining pods:\n%v", count, StatefulSetTimeout, unhealthy)
}
return ss, nil
}
// UpdateReplicas updates the replicas of ss to count.
func (s *StatefulSetTester) UpdateReplicas(ss *appsv1.StatefulSet, count int32) {
s.update(ss.Namespace, ss.Name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = count })
}
// Restart scales ss to 0 and then back to its previous number of replicas.
func (s *StatefulSetTester) Restart(ss *appsv1.StatefulSet) {
oldReplicas := *(ss.Spec.Replicas)
ss, err := s.Scale(ss, 0)
ExpectNoError(err)
// Wait for controller to report the desired number of Pods.
// This way we know the controller has observed all Pod deletions
// before we scale it back up.
s.WaitForStatusReplicas(ss, 0)
s.update(ss.Namespace, ss.Name, func(ss *appsv1.StatefulSet) { *(ss.Spec.Replicas) = oldReplicas })
}
func (s *StatefulSetTester) update(ns, name string, update func(ss *appsv1.StatefulSet)) *appsv1.StatefulSet {
for i := 0; i < 3; i++ {
ss, err := s.c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
e2elog.Failf("failed to get statefulset %q: %v", name, err)
}
update(ss)
ss, err = s.c.AppsV1().StatefulSets(ns).Update(ss)
if err == nil {
return ss
}
if !apierrs.IsConflict(err) && !apierrs.IsServerTimeout(err) {
e2elog.Failf("failed to update statefulset %q: %v", name, err)
}
}
e2elog.Failf("too many retries draining statefulset %q", name)
return nil
}
// GetPodList gets the current Pods in ss.
func (s *StatefulSetTester) GetPodList(ss *appsv1.StatefulSet) *v1.PodList {
selector, err := metav1.LabelSelectorAsSelector(ss.Spec.Selector)
ExpectNoError(err)
podList, err := s.c.CoreV1().Pods(ss.Namespace).List(metav1.ListOptions{LabelSelector: selector.String()})
ExpectNoError(err)
return podList
}
// ConfirmStatefulPodCount asserts that the current number of Pods in ss is count waiting up to timeout for ss to
// to scale to count.
func (s *StatefulSetTester) ConfirmStatefulPodCount(count int, ss *appsv1.StatefulSet, timeout time.Duration, hard bool) {
start := time.Now()
deadline := start.Add(timeout)
for t := time.Now(); t.Before(deadline); t = time.Now() {
podList := s.GetPodList(ss)
statefulPodCount := len(podList.Items)
if statefulPodCount != count {
e2epod.LogPodStates(podList.Items)
if hard {
e2elog.Failf("StatefulSet %v scaled unexpectedly scaled to %d -> %d replicas", ss.Name, count, len(podList.Items))
} else {
e2elog.Logf("StatefulSet %v has not reached scale %d, at %d", ss.Name, count, statefulPodCount)
}
time.Sleep(1 * time.Second)
continue
}
e2elog.Logf("Verifying statefulset %v doesn't scale past %d for another %+v", ss.Name, count, deadline.Sub(t))
time.Sleep(1 * time.Second)
}
}
// WaitForRunning waits for numPodsRunning in ss to be Running and for the first
// numPodsReady ordinals to be Ready.
func (s *StatefulSetTester) WaitForRunning(numPodsRunning, numPodsReady int32, ss *appsv1.StatefulSet) {
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
podList := s.GetPodList(ss)
s.SortStatefulPods(podList)
if int32(len(podList.Items)) < numPodsRunning {
e2elog.Logf("Found %d stateful pods, waiting for %d", len(podList.Items), numPodsRunning)
return false, nil
}
if int32(len(podList.Items)) > numPodsRunning {
return false, fmt.Errorf("Too many pods scheduled, expected %d got %d", numPodsRunning, len(podList.Items))
}
for _, p := range podList.Items {
shouldBeReady := getStatefulPodOrdinal(&p) < int(numPodsReady)
isReady := podutil.IsPodReady(&p)
desiredReadiness := shouldBeReady == isReady
e2elog.Logf("Waiting for pod %v to enter %v - Ready=%v, currently %v - Ready=%v", p.Name, v1.PodRunning, shouldBeReady, p.Status.Phase, isReady)
if p.Status.Phase != v1.PodRunning || !desiredReadiness {
return false, nil
}
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for pods to enter running: %v", pollErr)
}
}
// WaitForState periodically polls for the ss and its pods until the until function returns either true or an error
func (s *StatefulSetTester) WaitForState(ss *appsv1.StatefulSet, until func(*appsv1.StatefulSet, *v1.PodList) (bool, error)) {
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := s.c.AppsV1().StatefulSets(ss.Namespace).Get(ss.Name, metav1.GetOptions{})
if err != nil {
return false, err
}
podList := s.GetPodList(ssGet)
return until(ssGet, podList)
})
if pollErr != nil {
e2elog.Failf("Failed waiting for state update: %v", pollErr)
}
}
// WaitForStatus waits for the StatefulSetStatus's ObservedGeneration to be greater than or equal to set's Generation.
// The returned StatefulSet contains such a StatefulSetStatus
func (s *StatefulSetTester) WaitForStatus(set *appsv1.StatefulSet) *appsv1.StatefulSet {
s.WaitForState(set, func(set2 *appsv1.StatefulSet, pods *v1.PodList) (bool, error) {
if set2.Status.ObservedGeneration >= set.Generation {
set = set2
return true, nil
}
return false, nil
})
return set
}
// WaitForRunningAndReady waits for numStatefulPods in ss to be Running and Ready.
func (s *StatefulSetTester) WaitForRunningAndReady(numStatefulPods int32, ss *appsv1.StatefulSet) {
s.WaitForRunning(numStatefulPods, numStatefulPods, ss)
}
// WaitForPodReady waits for the Pod named podName in set to exist and have a Ready condition.
func (s *StatefulSetTester) WaitForPodReady(set *appsv1.StatefulSet, podName string) (*appsv1.StatefulSet, *v1.PodList) {
var pods *v1.PodList
s.WaitForState(set, func(set2 *appsv1.StatefulSet, pods2 *v1.PodList) (bool, error) {
set = set2
pods = pods2
for i := range pods.Items {
if pods.Items[i].Name == podName {
return podutil.IsPodReady(&pods.Items[i]), nil
}
}
return false, nil
})
return set, pods
}
// WaitForPodNotReady waist for the Pod named podName in set to exist and to not have a Ready condition.
func (s *StatefulSetTester) WaitForPodNotReady(set *appsv1.StatefulSet, podName string) (*appsv1.StatefulSet, *v1.PodList) {
var pods *v1.PodList
s.WaitForState(set, func(set2 *appsv1.StatefulSet, pods2 *v1.PodList) (bool, error) {
set = set2
pods = pods2
for i := range pods.Items {
if pods.Items[i].Name == podName {
return !podutil.IsPodReady(&pods.Items[i]), nil
}
}
return false, nil
})
return set, pods
}
// WaitForRollingUpdate waits for all Pods in set to exist and have the correct revision and for the RollingUpdate to
// complete. set must have a RollingUpdateStatefulSetStrategyType.
func (s *StatefulSetTester) WaitForRollingUpdate(set *appsv1.StatefulSet) (*appsv1.StatefulSet, *v1.PodList) {
var pods *v1.PodList
if set.Spec.UpdateStrategy.Type != appsv1.RollingUpdateStatefulSetStrategyType {
e2elog.Failf("StatefulSet %s/%s attempt to wait for rolling update with updateStrategy %s",
set.Namespace,
set.Name,
set.Spec.UpdateStrategy.Type)
}
s.WaitForState(set, func(set2 *appsv1.StatefulSet, pods2 *v1.PodList) (bool, error) {
set = set2
pods = pods2
if len(pods.Items) < int(*set.Spec.Replicas) {
return false, nil
}
if set.Status.UpdateRevision != set.Status.CurrentRevision {
e2elog.Logf("Waiting for StatefulSet %s/%s to complete update",
set.Namespace,
set.Name,
)
s.SortStatefulPods(pods)
for i := range pods.Items {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
}
}
return false, nil
}
return true, nil
})
return set, pods
}
// WaitForPartitionedRollingUpdate waits for all Pods in set to exist and have the correct revision. set must have
// a RollingUpdateStatefulSetStrategyType with a non-nil RollingUpdate and Partition. All Pods with ordinals less
// than or equal to the Partition are expected to be at set's current revision. All other Pods are expected to be
// at its update revision.
func (s *StatefulSetTester) WaitForPartitionedRollingUpdate(set *appsv1.StatefulSet) (*appsv1.StatefulSet, *v1.PodList) {
var pods *v1.PodList
if set.Spec.UpdateStrategy.Type != appsv1.RollingUpdateStatefulSetStrategyType {
e2elog.Failf("StatefulSet %s/%s attempt to wait for partitioned update with updateStrategy %s",
set.Namespace,
set.Name,
set.Spec.UpdateStrategy.Type)
}
if set.Spec.UpdateStrategy.RollingUpdate == nil || set.Spec.UpdateStrategy.RollingUpdate.Partition == nil {
e2elog.Failf("StatefulSet %s/%s attempt to wait for partitioned update with nil RollingUpdate or nil Partition",
set.Namespace,
set.Name)
}
s.WaitForState(set, func(set2 *appsv1.StatefulSet, pods2 *v1.PodList) (bool, error) {
set = set2
pods = pods2
partition := int(*set.Spec.UpdateStrategy.RollingUpdate.Partition)
if len(pods.Items) < int(*set.Spec.Replicas) {
return false, nil
}
if partition <= 0 && set.Status.UpdateRevision != set.Status.CurrentRevision {
e2elog.Logf("Waiting for StatefulSet %s/%s to complete update",
set.Namespace,
set.Name,
)
s.SortStatefulPods(pods)
for i := range pods.Items {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
}
}
return false, nil
}
for i := int(*set.Spec.Replicas) - 1; i >= partition; i-- {
if pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel] != set.Status.UpdateRevision {
e2elog.Logf("Waiting for Pod %s/%s to have revision %s update revision %s",
pods.Items[i].Namespace,
pods.Items[i].Name,
set.Status.UpdateRevision,
pods.Items[i].Labels[appsv1.StatefulSetRevisionLabel])
return false, nil
}
}
return true, nil
})
return set, pods
}
// WaitForRunningAndNotReady waits for numStatefulPods in ss to be Running and not Ready.
func (s *StatefulSetTester) WaitForRunningAndNotReady(numStatefulPods int32, ss *appsv1.StatefulSet) {
s.WaitForRunning(numStatefulPods, 0, ss)
}
var httpProbe = &v1.Probe{
Handler: v1.Handler{
HTTPGet: &v1.HTTPGetAction{
Path: "/index.html",
Port: intstr.IntOrString{IntVal: 80},
},
},
PeriodSeconds: 1,
SuccessThreshold: 1,
FailureThreshold: 1,
}
// SetHTTPProbe sets the pod template's ReadinessProbe for Webserver StatefulSet containers.
// This probe can then be controlled with BreakHTTPProbe() and RestoreHTTPProbe().
// Note that this cannot be used together with PauseNewPods().
func (s *StatefulSetTester) SetHTTPProbe(ss *appsv1.StatefulSet) {
ss.Spec.Template.Spec.Containers[0].ReadinessProbe = httpProbe
}
// BreakHTTPProbe breaks the readiness probe for Nginx StatefulSet containers in ss.
func (s *StatefulSetTester) BreakHTTPProbe(ss *appsv1.StatefulSet) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("Path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /usr/local/apache2/htdocs%v /tmp/ || true", path)
return s.ExecInStatefulPods(ss, cmd)
}
// BreakPodHTTPProbe breaks the readiness probe for Nginx StatefulSet containers in one pod.
func (s *StatefulSetTester) BreakPodHTTPProbe(ss *appsv1.StatefulSet, pod *v1.Pod) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("Path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /usr/local/apache2/htdocs%v /tmp/ || true", path)
stdout, err := RunHostCmdWithRetries(pod.Namespace, pod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, pod.Name, stdout)
return err
}
// RestoreHTTPProbe restores the readiness probe for Nginx StatefulSet containers in ss.
func (s *StatefulSetTester) RestoreHTTPProbe(ss *appsv1.StatefulSet) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("Path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /tmp%v /usr/local/apache2/htdocs/ || true", path)
return s.ExecInStatefulPods(ss, cmd)
}
// RestorePodHTTPProbe restores the readiness probe for Nginx StatefulSet containers in pod.
func (s *StatefulSetTester) RestorePodHTTPProbe(ss *appsv1.StatefulSet, pod *v1.Pod) error {
path := httpProbe.HTTPGet.Path
if path == "" {
return fmt.Errorf("Path expected to be not empty: %v", path)
}
// Ignore 'mv' errors to make this idempotent.
cmd := fmt.Sprintf("mv -v /tmp%v /usr/local/apache2/htdocs/ || true", path)
stdout, err := RunHostCmdWithRetries(pod.Namespace, pod.Name, cmd, StatefulSetPoll, StatefulPodTimeout)
e2elog.Logf("stdout of %v on %v: %v", cmd, pod.Name, stdout)
return err
}
var pauseProbe = &v1.Probe{
Handler: v1.Handler{
Exec: &v1.ExecAction{Command: []string{"test", "-f", "/data/statefulset-continue"}},
},
PeriodSeconds: 1,
SuccessThreshold: 1,
FailureThreshold: 1,
}
func hasPauseProbe(pod *v1.Pod) bool {
probe := pod.Spec.Containers[0].ReadinessProbe
return probe != nil && reflect.DeepEqual(probe.Exec.Command, pauseProbe.Exec.Command)
}
// PauseNewPods adds an always-failing ReadinessProbe to the StatefulSet PodTemplate.
// This causes all newly-created Pods to stay Unready until they are manually resumed
// with ResumeNextPod().
// Note that this cannot be used together with SetHTTPProbe().
func (s *StatefulSetTester) PauseNewPods(ss *appsv1.StatefulSet) {
ss.Spec.Template.Spec.Containers[0].ReadinessProbe = pauseProbe
}
// ResumeNextPod allows the next Pod in the StatefulSet to continue by removing the ReadinessProbe
// added by PauseNewPods(), if it's still there.
// It fails the test if it finds any pods that are not in phase Running,
// or if it finds more than one paused Pod existing at the same time.
// This is a no-op if there are no paused pods.
func (s *StatefulSetTester) ResumeNextPod(ss *appsv1.StatefulSet) {
podList := s.GetPodList(ss)
resumedPod := ""
for _, pod := range podList.Items {
if pod.Status.Phase != v1.PodRunning {
e2elog.Failf("Found pod in phase %q, cannot resume", pod.Status.Phase)
}
if podutil.IsPodReady(&pod) || !hasPauseProbe(&pod) {
continue
}
if resumedPod != "" {
e2elog.Failf("Found multiple paused stateful pods: %v and %v", pod.Name, resumedPod)
}
_, err := RunHostCmdWithRetries(pod.Namespace, pod.Name, "dd if=/dev/zero of=/data/statefulset-continue bs=1 count=1 conv=fsync", StatefulSetPoll, StatefulPodTimeout)
ExpectNoError(err)
e2elog.Logf("Resumed pod %v", pod.Name)
resumedPod = pod.Name
}
}
// WaitForStatusReadyReplicas waits for the ss.Status.ReadyReplicas to be equal to expectedReplicas
func (s *StatefulSetTester) WaitForStatusReadyReplicas(ss *appsv1.StatefulSet, expectedReplicas int32) {
e2elog.Logf("Waiting for statefulset status.replicas updated to %d", expectedReplicas)
ns, name := ss.Namespace, ss.Name
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := s.c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
if ssGet.Status.ObservedGeneration < ss.Generation {
return false, nil
}
if ssGet.Status.ReadyReplicas != expectedReplicas {
e2elog.Logf("Waiting for stateful set status.readyReplicas to become %d, currently %d", expectedReplicas, ssGet.Status.ReadyReplicas)
return false, nil
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for stateful set status.readyReplicas updated to %d: %v", expectedReplicas, pollErr)
}
}
// WaitForStatusReplicas waits for the ss.Status.Replicas to be equal to expectedReplicas
func (s *StatefulSetTester) WaitForStatusReplicas(ss *appsv1.StatefulSet, expectedReplicas int32) {
e2elog.Logf("Waiting for statefulset status.replicas updated to %d", expectedReplicas)
ns, name := ss.Namespace, ss.Name
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout,
func() (bool, error) {
ssGet, err := s.c.AppsV1().StatefulSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
if ssGet.Status.ObservedGeneration < ss.Generation {
return false, nil
}
if ssGet.Status.Replicas != expectedReplicas {
e2elog.Logf("Waiting for stateful set status.replicas to become %d, currently %d", expectedReplicas, ssGet.Status.Replicas)
return false, nil
}
return true, nil
})
if pollErr != nil {
e2elog.Failf("Failed waiting for stateful set status.replicas updated to %d: %v", expectedReplicas, pollErr)
}
}
// CheckServiceName asserts that the ServiceName for ss is equivalent to expectedServiceName.
func (s *StatefulSetTester) CheckServiceName(ss *appsv1.StatefulSet, expectedServiceName string) error {
e2elog.Logf("Checking if statefulset spec.serviceName is %s", expectedServiceName)
if expectedServiceName != ss.Spec.ServiceName {
return fmt.Errorf("Wrong service name governing statefulset. Expected %s got %s",
expectedServiceName, ss.Spec.ServiceName)
}
return nil
}
// SortStatefulPods sorts pods by their ordinals
func (s *StatefulSetTester) SortStatefulPods(pods *v1.PodList) {
sort.Sort(statefulPodsByOrdinal(pods.Items))
}
// DeleteAllStatefulSets deletes all StatefulSet API Objects in Namespace ns.
func DeleteAllStatefulSets(c clientset.Interface, ns string) {
sst := &StatefulSetTester{c: c}
ssList, err := c.AppsV1().StatefulSets(ns).List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
ExpectNoError(err)
// Scale down each statefulset, then delete it completely.
// Deleting a pvc without doing this will leak volumes, #25101.
errList := []string{}
for i := range ssList.Items {
ss := &ssList.Items[i]
var err error
if ss, err = sst.Scale(ss, 0); err != nil {
errList = append(errList, fmt.Sprintf("%v", err))
}
sst.WaitForStatusReplicas(ss, 0)
e2elog.Logf("Deleting statefulset %v", ss.Name)
// Use OrphanDependents=false so it's deleted synchronously.
// We already made sure the Pods are gone inside Scale().
if err := c.AppsV1().StatefulSets(ss.Namespace).Delete(ss.Name, &metav1.DeleteOptions{OrphanDependents: new(bool)}); err != nil {
errList = append(errList, fmt.Sprintf("%v", err))
}
}
// pvs are global, so we need to wait for the exact ones bound to the statefulset pvcs.
pvNames := sets.NewString()
// TODO: Don't assume all pvcs in the ns belong to a statefulset
pvcPollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
pvcList, err := c.CoreV1().PersistentVolumeClaims(ns).List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
if err != nil {
e2elog.Logf("WARNING: Failed to list pvcs, retrying %v", err)
return false, nil
}
for _, pvc := range pvcList.Items {
pvNames.Insert(pvc.Spec.VolumeName)
// TODO: Double check that there are no pods referencing the pvc
e2elog.Logf("Deleting pvc: %v with volume %v", pvc.Name, pvc.Spec.VolumeName)
if err := c.CoreV1().PersistentVolumeClaims(ns).Delete(pvc.Name, nil); err != nil {
return false, nil
}
}
return true, nil
})
if pvcPollErr != nil {
errList = append(errList, fmt.Sprintf("Timeout waiting for pvc deletion."))
}
pollErr := wait.PollImmediate(StatefulSetPoll, StatefulSetTimeout, func() (bool, error) {
pvList, err := c.CoreV1().PersistentVolumes().List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
if err != nil {
e2elog.Logf("WARNING: Failed to list pvs, retrying %v", err)
return false, nil
}
waitingFor := []string{}
for _, pv := range pvList.Items {
if pvNames.Has(pv.Name) {
waitingFor = append(waitingFor, fmt.Sprintf("%v: %+v", pv.Name, pv.Status))
}
}
if len(waitingFor) == 0 {
return true, nil
}
e2elog.Logf("Still waiting for pvs of statefulset to disappear:\n%v", strings.Join(waitingFor, "\n"))
return false, nil
})
if pollErr != nil {
errList = append(errList, fmt.Sprintf("Timeout waiting for pv provisioner to delete pvs, this might mean the test leaked pvs."))
}
if len(errList) != 0 {
ExpectNoError(fmt.Errorf("%v", strings.Join(errList, "\n")))
}
}
// NewStatefulSetPVC returns a PersistentVolumeClaim named name, for testing StatefulSets.
func NewStatefulSetPVC(name string) v1.PersistentVolumeClaim {
return v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: v1.PersistentVolumeClaimSpec{
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
},
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceStorage: *resource.NewQuantity(1, resource.BinarySI),
},
},
},
}
}
// NewStatefulSet creates a new Webserver StatefulSet for testing. The StatefulSet is named name, is in namespace ns,
// statefulPodsMounts are the mounts that will be backed by PVs. podsMounts are the mounts that are mounted directly
// to the Pod. labels are the labels that will be usd for the StatefulSet selector.
func NewStatefulSet(name, ns, governingSvcName string, replicas int32, statefulPodMounts []v1.VolumeMount, podMounts []v1.VolumeMount, labels map[string]string) *appsv1.StatefulSet {
mounts := append(statefulPodMounts, podMounts...)
claims := []v1.PersistentVolumeClaim{}
for _, m := range statefulPodMounts {
claims = append(claims, NewStatefulSetPVC(m.Name))
}
vols := []v1.Volume{}
for _, m := range podMounts {
vols = append(vols, v1.Volume{
Name: m.Name,
VolumeSource: v1.VolumeSource{
HostPath: &v1.HostPathVolumeSource{
Path: fmt.Sprintf("/tmp/%v", m.Name),
},
},
})
}
return &appsv1.StatefulSet{
TypeMeta: metav1.TypeMeta{
Kind: "StatefulSet",
APIVersion: "apps/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: appsv1.StatefulSetSpec{
Selector: &metav1.LabelSelector{
MatchLabels: labels,
},
Replicas: func(i int32) *int32 { return &i }(replicas),
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
Annotations: map[string]string{},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "webserver",
Image: imageutils.GetE2EImage(imageutils.Httpd),
VolumeMounts: mounts,
SecurityContext: &v1.SecurityContext{},
},
},
Volumes: vols,
},
},
UpdateStrategy: appsv1.StatefulSetUpdateStrategy{Type: appsv1.RollingUpdateStatefulSetStrategyType},
VolumeClaimTemplates: claims,
ServiceName: governingSvcName,
},
}
}
// NewStatefulSetScale creates a new StatefulSet scale subresource and returns it
func NewStatefulSetScale(ss *appsv1.StatefulSet) *appsv1beta2.Scale {
return &appsv1beta2.Scale{
// TODO: Create a variant of ObjectMeta type that only contains the fields below.
ObjectMeta: metav1.ObjectMeta{
Name: ss.Name,
Namespace: ss.Namespace,
},
Spec: appsv1beta2.ScaleSpec{
Replicas: *(ss.Spec.Replicas),
},
Status: appsv1beta2.ScaleStatus{
Replicas: ss.Status.Replicas,
},
}
}
var statefulPodRegex = regexp.MustCompile("(.*)-([0-9]+)$")
func getStatefulPodOrdinal(pod *v1.Pod) int {
ordinal := -1
subMatches := statefulPodRegex.FindStringSubmatch(pod.Name)
if len(subMatches) < 3 {
return ordinal
}
if i, err := strconv.ParseInt(subMatches[2], 10, 32); err == nil {
ordinal = int(i)
}
return ordinal
}
type statefulPodsByOrdinal []v1.Pod
func (sp statefulPodsByOrdinal) Len() int {
return len(sp)
}
func (sp statefulPodsByOrdinal) Swap(i, j int) {
sp[i], sp[j] = sp[j], sp[i]
}
func (sp statefulPodsByOrdinal) Less(i, j int) bool {
return getStatefulPodOrdinal(&sp[i]) < getStatefulPodOrdinal(&sp[j])
}
type updateStatefulSetFunc func(*appsv1.StatefulSet)
// UpdateStatefulSetWithRetries updates statfulset template with retries.
func UpdateStatefulSetWithRetries(c clientset.Interface, namespace, name string, applyUpdate updateStatefulSetFunc) (statefulSet *appsv1.StatefulSet, err error) {
statefulSets := c.AppsV1().StatefulSets(namespace)
var updateErr error
pollErr := wait.Poll(10*time.Millisecond, 1*time.Minute, func() (bool, error) {
if statefulSet, err = statefulSets.Get(name, metav1.GetOptions{}); err != nil {
return false, err
}
// Apply the update, then attempt to push it to the apiserver.
applyUpdate(statefulSet)
if statefulSet, err = statefulSets.Update(statefulSet); err == nil {
e2elog.Logf("Updating stateful set %s", name)
return true, nil
}
updateErr = err
return false, nil
})
if pollErr == wait.ErrWaitTimeout {
pollErr = fmt.Errorf("couldn't apply the provided updated to stateful set %q: %v", name, updateErr)
}
return statefulSet, pollErr
}

1
test/e2e/storage/BUILD
View File

@ -72,6 +72,7 @@ go_library(
"//test/e2e/framework/pod:go_default_library",
"//test/e2e/framework/providers/gce:go_default_library",
"//test/e2e/framework/ssh:go_default_library",
"//test/e2e/framework/statefulset:go_default_library",
"//test/e2e/framework/testfiles:go_default_library",
"//test/e2e/framework/volume:go_default_library",
"//test/e2e/storage/drivers:go_default_library",

8
test/e2e/storage/persistent_volumes-local.go
View File

@ -41,6 +41,7 @@ import (
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/storage/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
)
@ -51,7 +52,6 @@ type localTestConfig struct {
node0 *v1.Node
client clientset.Interface
scName string
ssTester *framework.StatefulSetTester
discoveryDir string
hostExec utils.HostExec
ltrMgr utils.LocalTestResourceManager
@ -164,7 +164,6 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
// Choose the first node
node0 := &nodes.Items[0]
ssTester := framework.NewStatefulSetTester(f.ClientSet)
hostExec := utils.NewHostExec(f)
ltrMgr := utils.NewLocalResourceManager("local-volume-test", hostExec, hostBase)
config = &localTestConfig{
@ -173,7 +172,6 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
nodes: nodes.Items[:maxLen],
node0: node0,
scName: scName,
ssTester: ssTester,
discoveryDir: filepath.Join(hostBase, f.Namespace.Name),
hostExec: hostExec,
ltrMgr: ltrMgr,
@ -1153,12 +1151,12 @@ func createStatefulSet(config *localTestConfig, ssReplicas int32, volumeCount in
ss, err := config.client.AppsV1().StatefulSets(config.ns).Create(spec)
framework.ExpectNoError(err)
config.ssTester.WaitForRunningAndReady(ssReplicas, ss)
e2esset.WaitForRunningAndReady(config.client, ssReplicas, ss)
return ss
}
func validateStatefulSet(config *localTestConfig, ss *appsv1.StatefulSet, anti bool) {
pods := config.ssTester.GetPodList(ss)
pods := e2esset.GetPodList(config.client, ss)
nodes := sets.NewString()
for _, pod := range pods.Items {

12
test/e2e/storage/persistent_volumes.go
View File

@ -31,6 +31,7 @@ import (
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/framework/volume"
"k8s.io/kubernetes/test/e2e/storage/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
@ -311,7 +312,7 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
ginkgo.Context("pods that use multiple volumes", func() {
ginkgo.AfterEach(func() {
framework.DeleteAllStatefulSets(c, ns)
e2esset.DeleteAllStatefulSets(c, ns)
})
ginkgo.It("should be reschedulable [Slow]", func() {
@ -319,7 +320,6 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
framework.SkipUnlessProviderIs("openstack", "gce", "gke", "vsphere", "azure")
numVols := 4
ssTester := framework.NewStatefulSetTester(c)
ginkgo.By("Creating a StatefulSet pod to initialize data")
writeCmd := "true"
@ -352,13 +352,13 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
spec := makeStatefulSetWithPVCs(ns, writeCmd, mounts, claims, probe)
ss, err := c.AppsV1().StatefulSets(ns).Create(spec)
framework.ExpectNoError(err)
ssTester.WaitForRunningAndReady(1, ss)
e2esset.WaitForRunningAndReady(c, 1, ss)
ginkgo.By("Deleting the StatefulSet but not the volumes")
// Scale down to 0 first so that the Delete is quick
ss, err = ssTester.Scale(ss, 0)
ss, err = e2esset.Scale(c, ss, 0)
framework.ExpectNoError(err)
ssTester.WaitForStatusReplicas(ss, 0)
e2esset.WaitForStatusReplicas(c, ss, 0)
err = c.AppsV1().StatefulSets(ns).Delete(ss.Name, &metav1.DeleteOptions{})
framework.ExpectNoError(err)
@ -372,7 +372,7 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
spec = makeStatefulSetWithPVCs(ns, validateCmd, mounts, claims, probe)
ss, err = c.AppsV1().StatefulSets(ns).Create(spec)
framework.ExpectNoError(err)
ssTester.WaitForRunningAndReady(1, ss)
e2esset.WaitForRunningAndReady(c, 1, ss)
})
})
})

1
test/e2e/storage/vsphere/BUILD
View File

@ -56,6 +56,7 @@ go_library(
"//test/e2e/framework/log:go_default_library",
"//test/e2e/framework/pod:go_default_library",
"//test/e2e/framework/ssh:go_default_library",
"//test/e2e/framework/statefulset:go_default_library",
"//test/e2e/storage/utils:go_default_library",
"//test/utils/image:go_default_library",
"//vendor/github.com/onsi/ginkgo:go_default_library",

25
test/e2e/storage/vsphere/vsphere_statefulsets.go
View File

@ -27,6 +27,7 @@ import (
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/storage/utils"
)
@ -66,7 +67,7 @@ var _ = utils.SIGDescribe("vsphere statefulset", func() {
})
ginkgo.AfterEach(func() {
e2elog.Logf("Deleting all statefulset in namespace: %v", namespace)
framework.DeleteAllStatefulSets(client, namespace)
e2esset.DeleteAllStatefulSets(client, namespace)
})
ginkgo.It("vsphere statefulset testing", func() {
@ -79,13 +80,13 @@ var _ = utils.SIGDescribe("vsphere statefulset", func() {
defer client.StorageV1().StorageClasses().Delete(sc.Name, nil)
ginkgo.By("Creating statefulset")
statefulsetTester := framework.NewStatefulSetTester(client)
statefulset := statefulsetTester.CreateStatefulSet(manifestPath, namespace)
statefulset := e2esset.CreateStatefulSet(client, manifestPath, namespace)
replicas := *(statefulset.Spec.Replicas)
// Waiting for pods status to be Ready
statefulsetTester.WaitForStatusReadyReplicas(statefulset, replicas)
framework.ExpectNoError(statefulsetTester.CheckMount(statefulset, mountPath))
ssPodsBeforeScaleDown := statefulsetTester.GetPodList(statefulset)
e2esset.WaitForStatusReadyReplicas(client, statefulset, replicas)
framework.ExpectNoError(e2esset.CheckMount(client, statefulset, mountPath))
ssPodsBeforeScaleDown := e2esset.GetPodList(client, statefulset)
gomega.Expect(ssPodsBeforeScaleDown.Items).NotTo(gomega.BeEmpty(), fmt.Sprintf("Unable to get list of Pods from the Statefulset: %v", statefulset.Name))
gomega.Expect(len(ssPodsBeforeScaleDown.Items) == int(replicas)).To(gomega.BeTrue(), "Number of Pods in the statefulset should match with number of replicas")
@ -103,9 +104,9 @@ var _ = utils.SIGDescribe("vsphere statefulset", func() {
}
ginkgo.By(fmt.Sprintf("Scaling down statefulsets to number of Replica: %v", replicas-1))
_, scaledownErr := statefulsetTester.Scale(statefulset, replicas-1)
_, scaledownErr := e2esset.Scale(client, statefulset, replicas-1)
framework.ExpectNoError(scaledownErr)
statefulsetTester.WaitForStatusReadyReplicas(statefulset, replicas-1)
e2esset.WaitForStatusReadyReplicas(client, statefulset, replicas-1)
// After scale down, verify vsphere volumes are detached from deleted pods
ginkgo.By("Verify Volumes are detached from Nodes after Statefulsets is scaled down")
@ -124,12 +125,12 @@ var _ = utils.SIGDescribe("vsphere statefulset", func() {
}
ginkgo.By(fmt.Sprintf("Scaling up statefulsets to number of Replica: %v", replicas))
_, scaleupErr := statefulsetTester.Scale(statefulset, replicas)
_, scaleupErr := e2esset.Scale(client, statefulset, replicas)
framework.ExpectNoError(scaleupErr)
statefulsetTester.WaitForStatusReplicas(statefulset, replicas)
statefulsetTester.WaitForStatusReadyReplicas(statefulset, replicas)
e2esset.WaitForStatusReplicas(client, statefulset, replicas)
e2esset.WaitForStatusReadyReplicas(client, statefulset, replicas)
ssPodsAfterScaleUp := statefulsetTester.GetPodList(statefulset)
ssPodsAfterScaleUp := e2esset.GetPodList(client, statefulset)
gomega.Expect(ssPodsAfterScaleUp.Items).NotTo(gomega.BeEmpty(), fmt.Sprintf("Unable to get list of Pods from the Statefulset: %v", statefulset.Name))
gomega.Expect(len(ssPodsAfterScaleUp.Items) == int(replicas)).To(gomega.BeTrue(), "Number of Pods in the statefulset should match with number of replicas")

1
test/e2e/upgrades/BUILD
View File

@ -38,6 +38,7 @@ go_library(
"//test/e2e/framework:go_default_library",
"//test/e2e/framework/job:go_default_library",
"//test/e2e/framework/log:go_default_library",
"//test/e2e/framework/statefulset:go_default_library",
"//test/e2e/framework/testfiles:go_default_library",
"//test/e2e/scheduling:go_default_library",
"//test/utils/image:go_default_library",

1
test/e2e/upgrades/apps/BUILD
View File

@ -31,6 +31,7 @@ go_library(
"//test/e2e/framework/job:go_default_library",
"//test/e2e/framework/log:go_default_library",
"//test/e2e/framework/replicaset:go_default_library",
"//test/e2e/framework/statefulset:go_default_library",
"//test/e2e/upgrades:go_default_library",
"//test/utils/image:go_default_library",
"//vendor/github.com/onsi/ginkgo:go_default_library",

37
test/e2e/upgrades/apps/statefulset.go
View File

@ -24,12 +24,12 @@ import (
"k8s.io/apimachinery/pkg/util/version"
"k8s.io/kubernetes/test/e2e/framework"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/upgrades"
)
// StatefulSetUpgradeTest implements an upgrade test harness for StatefulSet upgrade testing.
type StatefulSetUpgradeTest struct {
tester *framework.StatefulSetTester
service *v1.Service
set *appsv1.StatefulSet
}
@ -60,11 +60,10 @@ func (t *StatefulSetUpgradeTest) Setup(f *framework.Framework) {
statefulPodMounts := []v1.VolumeMount{{Name: "datadir", MountPath: "/data/"}}
podMounts := []v1.VolumeMount{{Name: "home", MountPath: "/home"}}
ns := f.Namespace.Name
t.set = framework.NewStatefulSet(ssName, ns, headlessSvcName, 2, statefulPodMounts, podMounts, labels)
t.service = framework.CreateStatefulSetService(ssName, labels)
t.set = e2esset.NewStatefulSet(ssName, ns, headlessSvcName, 2, statefulPodMounts, podMounts, labels)
t.service = e2esset.CreateStatefulSetService(ssName, labels)
*(t.set.Spec.Replicas) = 3
t.tester = framework.NewStatefulSetTester(f.ClientSet)
t.tester.PauseNewPods(t.set)
e2esset.PauseNewPods(t.set)
ginkgo.By("Creating service " + headlessSvcName + " in namespace " + ns)
_, err := f.ClientSet.CoreV1().Services(ns).Create(t.service)
@ -76,40 +75,40 @@ func (t *StatefulSetUpgradeTest) Setup(f *framework.Framework) {
framework.ExpectNoError(err)
ginkgo.By("Saturating stateful set " + t.set.Name)
t.tester.Saturate(t.set)
t.verify()
t.restart()
t.verify()
e2esset.Saturate(f.ClientSet, t.set)
t.verify(f)
t.restart(f)
t.verify(f)
}
// Test waits for the upgrade to complete and verifies the StatefulSet basic functionality
func (t *StatefulSetUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
<-done
t.verify()
t.verify(f)
}
// Teardown deletes all StatefulSets
func (t *StatefulSetUpgradeTest) Teardown(f *framework.Framework) {
framework.DeleteAllStatefulSets(f.ClientSet, t.set.Name)
e2esset.DeleteAllStatefulSets(f.ClientSet, t.set.Name)
}
func (t *StatefulSetUpgradeTest) verify() {
func (t *StatefulSetUpgradeTest) verify(f *framework.Framework) {
ginkgo.By("Verifying statefulset mounted data directory is usable")
framework.ExpectNoError(t.tester.CheckMount(t.set, "/data"))
framework.ExpectNoError(e2esset.CheckMount(f.ClientSet, t.set, "/data"))
ginkgo.By("Verifying statefulset provides a stable hostname for each pod")
framework.ExpectNoError(t.tester.CheckHostname(t.set))
framework.ExpectNoError(e2esset.CheckHostname(f.ClientSet, t.set))
ginkgo.By("Verifying statefulset set proper service name")
framework.ExpectNoError(t.tester.CheckServiceName(t.set, t.set.Spec.ServiceName))
framework.ExpectNoError(e2esset.CheckServiceName(t.set, t.set.Spec.ServiceName))
cmd := "echo $(hostname) > /data/hostname; sync;"
ginkgo.By("Running " + cmd + " in all stateful pods")
framework.ExpectNoError(t.tester.ExecInStatefulPods(t.set, cmd))
framework.ExpectNoError(e2esset.ExecInStatefulPods(f.ClientSet, t.set, cmd))
}
func (t *StatefulSetUpgradeTest) restart() {
func (t *StatefulSetUpgradeTest) restart(f *framework.Framework) {
ginkgo.By("Restarting statefulset " + t.set.Name)
t.tester.Restart(t.set)
t.tester.WaitForRunningAndReady(*t.set.Spec.Replicas, t.set)
e2esset.Restart(f.ClientSet, t.set)
e2esset.WaitForRunningAndReady(f.ClientSet, *t.set.Spec.Replicas, t.set)
}

5
test/e2e/upgrades/cassandra.go
View File

@ -33,6 +33,7 @@ import (
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/framework/testfiles"
)
@ -43,7 +44,6 @@ const cassandraManifestPath = "test/e2e/testing-manifests/statefulset/cassandra"
type CassandraUpgradeTest struct {
ip string
successfulWrites int
ssTester *framework.StatefulSetTester
}
// Name returns the tracking name of the test.
@ -74,13 +74,12 @@ func (t *CassandraUpgradeTest) Setup(f *framework.Framework) {
ns := f.Namespace.Name
statefulsetPoll := 30 * time.Second
statefulsetTimeout := 10 * time.Minute
t.ssTester = framework.NewStatefulSetTester(f.ClientSet)
ginkgo.By("Creating a PDB")
cassandraKubectlCreate(ns, "pdb.yaml")
ginkgo.By("Creating a Cassandra StatefulSet")
t.ssTester.CreateStatefulSet(cassandraManifestPath, ns)
e2esset.CreateStatefulSet(f.ClientSet, cassandraManifestPath, ns)
ginkgo.By("Creating a cassandra-test-server deployment")
cassandraKubectlCreate(ns, "tester.yaml")

5
test/e2e/upgrades/etcd.go
View File

@ -33,6 +33,7 @@ import (
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/framework/testfiles"
)
@ -42,7 +43,6 @@ const manifestPath = "test/e2e/testing-manifests/statefulset/etcd"
type EtcdUpgradeTest struct {
ip string
successfulWrites int
ssTester *framework.StatefulSetTester
}
// Name returns the tracking name of the test.
@ -69,13 +69,12 @@ func (t *EtcdUpgradeTest) Setup(f *framework.Framework) {
ns := f.Namespace.Name
statefulsetPoll := 30 * time.Second
statefulsetTimeout := 10 * time.Minute
t.ssTester = framework.NewStatefulSetTester(f.ClientSet)
ginkgo.By("Creating a PDB")
kubectlCreate(ns, "pdb.yaml")
ginkgo.By("Creating an etcd StatefulSet")
t.ssTester.CreateStatefulSet(manifestPath, ns)
e2esset.CreateStatefulSet(f.ClientSet, manifestPath, ns)
ginkgo.By("Creating an etcd--test-server deployment")
kubectlCreate(ns, "tester.yaml")

5
test/e2e/upgrades/mysql.go
View File

@ -33,6 +33,7 @@ import (
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2esset "k8s.io/kubernetes/test/e2e/framework/statefulset"
"k8s.io/kubernetes/test/e2e/framework/testfiles"
)
@ -43,7 +44,6 @@ type MySQLUpgradeTest struct {
ip string
successfulWrites int
nextWrite int
ssTester *framework.StatefulSetTester
}
// Name returns the tracking name of the test.
@ -84,13 +84,12 @@ func (t *MySQLUpgradeTest) Setup(f *framework.Framework) {
ns := f.Namespace.Name
statefulsetPoll := 30 * time.Second
statefulsetTimeout := 10 * time.Minute
t.ssTester = framework.NewStatefulSetTester(f.ClientSet)
ginkgo.By("Creating a configmap")
mysqlKubectlCreate(ns, "configmap.yaml")
ginkgo.By("Creating a mysql StatefulSet")
t.ssTester.CreateStatefulSet(mysqlManifestPath, ns)
e2esset.CreateStatefulSet(f.ClientSet, mysqlManifestPath, ns)
ginkgo.By("Creating a mysql-test-server deployment")
mysqlKubectlCreate(ns, "tester.yaml")