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Restore volume tests using statefulset

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This commit is contained in:
Masaki Kimura 2019-04-02 15:31:33 +00:00
parent 98e41b7038
commit 15188268b4
1 changed files with 54 additions and 8 deletions
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62
test/e2e/storage/persistent_volumes.go
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@ -29,7 +29,6 @@ import (
utilerrors "k8s.io/apimachinery/pkg/util/errors"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/storage/testsuites"
"k8s.io/kubernetes/test/e2e/storage/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
)
@ -308,22 +307,69 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
Describe("Default StorageClass", func() {
Context("pods that use multiple volumes", func() {
AfterEach(func() {
framework.DeleteAllStatefulSets(c, ns)
})
It("should be reschedulable [Slow]", func() {
// Only run on providers with default storageclass
framework.SkipUnlessProviderIs("openstack", "gce", "gke", "vsphere", "azure")
numVols := 4
ssTester := framework.NewStatefulSetTester(c)
By("Creating pvcs")
claims := []*v1.PersistentVolumeClaim{}
By("Creating a StatefulSet pod to initialize data")
writeCmd := "true"
for i := 0; i < numVols; i++ {
pvc := framework.MakePersistentVolumeClaim(framework.PersistentVolumeClaimConfig{}, ns)
claims = append(claims, pvc)
writeCmd += fmt.Sprintf("&& touch %v", getVolumeFile(i))
}
writeCmd += "&& sleep 10000"
probe := &v1.Probe{
Handler: v1.Handler{
Exec: &v1.ExecAction{
// Check that the last file got created
Command: []string{"test", "-f", getVolumeFile(numVols - 1)},
},
},
InitialDelaySeconds: 1,
PeriodSeconds: 1,
}
By("Testing access to pvcs before and after pod recreation on differetn node")
testsuites.TestAccessMultipleVolumesAcrossPodRecreation(f, c, ns,
framework.NodeSelection{}, claims, false /* sameNode */)
mounts := []v1.VolumeMount{}
claims := []v1.PersistentVolumeClaim{}
for i := 0; i < numVols; i++ {
pvc := framework.MakePersistentVolumeClaim(framework.PersistentVolumeClaimConfig{}, ns)
pvc.Name = getVolName(i)
mounts = append(mounts, v1.VolumeMount{Name: pvc.Name, MountPath: getMountPath(i)})
claims = append(claims, *pvc)
}
spec := makeStatefulSetWithPVCs(ns, writeCmd, mounts, claims, probe)
ss, err := c.AppsV1().StatefulSets(ns).Create(spec)
Expect(err).NotTo(HaveOccurred())
ssTester.WaitForRunningAndReady(1, ss)
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)
Expect(err).NotTo(HaveOccurred())
ssTester.WaitForStatusReplicas(ss, 0)
err = c.AppsV1().StatefulSets(ns).Delete(ss.Name, &metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred())
By("Creating a new Statefulset and validating the data")
validateCmd := "true"
for i := 0; i < numVols; i++ {
validateCmd += fmt.Sprintf("&& test -f %v", getVolumeFile(i))
}
validateCmd += "&& sleep 10000"
spec = makeStatefulSetWithPVCs(ns, validateCmd, mounts, claims, probe)
ss, err = c.AppsV1().StatefulSets(ns).Create(spec)
Expect(err).NotTo(HaveOccurred())
ssTester.WaitForRunningAndReady(1, ss)
})
})
})