9d0c47f1db
storage.v1beta1 was used to work around GKE which does not expose v1. Now that GKE is updated, we can switch everything to v1.
356 lines
11 KiB
Go
356 lines
11 KiB
Go
/*
|
|
Copyright 2017 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 storage
|
|
|
|
import (
|
|
"fmt"
|
|
"path/filepath"
|
|
"strconv"
|
|
"time"
|
|
|
|
. "github.com/onsi/gomega"
|
|
"k8s.io/apimachinery/pkg/api/resource"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
k8stype "k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/util/uuid"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/kubernetes/pkg/api/v1"
|
|
storage "k8s.io/kubernetes/pkg/apis/storage/v1"
|
|
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
|
|
vsphere "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere"
|
|
"k8s.io/kubernetes/pkg/volume/util/volumehelper"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
)
|
|
|
|
// Sanity check for vSphere testing. Verify the persistent disk attached to the node.
|
|
func verifyVSphereDiskAttached(vsp *vsphere.VSphere, volumePath string, nodeName types.NodeName) (bool, error) {
|
|
var (
|
|
isAttached bool
|
|
err error
|
|
)
|
|
if vsp == nil {
|
|
vsp, err = vsphere.GetVSphere()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}
|
|
isAttached, err = vsp.DiskIsAttached(volumePath, nodeName)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
return isAttached, err
|
|
}
|
|
|
|
// Wait until vsphere vmdk is deteched from the given node or time out after 5 minutes
|
|
func waitForVSphereDiskToDetach(vsp *vsphere.VSphere, volumePath string, nodeName types.NodeName) error {
|
|
var (
|
|
err error
|
|
diskAttached = true
|
|
detachTimeout = 5 * time.Minute
|
|
detachPollTime = 10 * time.Second
|
|
)
|
|
if vsp == nil {
|
|
vsp, err = vsphere.GetVSphere()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
err = wait.Poll(detachPollTime, detachTimeout, func() (bool, error) {
|
|
diskAttached, err = verifyVSphereDiskAttached(vsp, volumePath, nodeName)
|
|
if err != nil {
|
|
return true, err
|
|
}
|
|
if !diskAttached {
|
|
framework.Logf("Volume %q appears to have successfully detached from %q.",
|
|
volumePath, nodeName)
|
|
return true, nil
|
|
}
|
|
framework.Logf("Waiting for Volume %q to detach from %q.", volumePath, nodeName)
|
|
return false, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if diskAttached {
|
|
return fmt.Errorf("Gave up waiting for Volume %q to detach from %q after %v", volumePath, nodeName, detachTimeout)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// function to create vsphere volume spec with given VMDK volume path, Reclaim Policy and labels
|
|
func getVSpherePersistentVolumeSpec(volumePath string, persistentVolumeReclaimPolicy v1.PersistentVolumeReclaimPolicy, labels map[string]string) *v1.PersistentVolume {
|
|
var (
|
|
pvConfig framework.PersistentVolumeConfig
|
|
pv *v1.PersistentVolume
|
|
claimRef *v1.ObjectReference
|
|
)
|
|
pvConfig = framework.PersistentVolumeConfig{
|
|
NamePrefix: "vspherepv-",
|
|
PVSource: v1.PersistentVolumeSource{
|
|
VsphereVolume: &v1.VsphereVirtualDiskVolumeSource{
|
|
VolumePath: volumePath,
|
|
FSType: "ext4",
|
|
},
|
|
},
|
|
Prebind: nil,
|
|
}
|
|
|
|
pv = &v1.PersistentVolume{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: pvConfig.NamePrefix,
|
|
Annotations: map[string]string{
|
|
volumehelper.VolumeGidAnnotationKey: "777",
|
|
},
|
|
},
|
|
Spec: v1.PersistentVolumeSpec{
|
|
PersistentVolumeReclaimPolicy: persistentVolumeReclaimPolicy,
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse("2Gi"),
|
|
},
|
|
PersistentVolumeSource: pvConfig.PVSource,
|
|
AccessModes: []v1.PersistentVolumeAccessMode{
|
|
v1.ReadWriteOnce,
|
|
},
|
|
ClaimRef: claimRef,
|
|
},
|
|
}
|
|
if labels != nil {
|
|
pv.Labels = labels
|
|
}
|
|
return pv
|
|
}
|
|
|
|
// function to get vsphere persistent volume spec with given selector labels.
|
|
func getVSpherePersistentVolumeClaimSpec(namespace string, labels map[string]string) *v1.PersistentVolumeClaim {
|
|
var (
|
|
pvc *v1.PersistentVolumeClaim
|
|
)
|
|
pvc = &v1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: "pvc-",
|
|
Namespace: namespace,
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
AccessModes: []v1.PersistentVolumeAccessMode{
|
|
v1.ReadWriteOnce,
|
|
},
|
|
Resources: v1.ResourceRequirements{
|
|
Requests: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse("2Gi"),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
if labels != nil {
|
|
pvc.Spec.Selector = &metav1.LabelSelector{MatchLabels: labels}
|
|
}
|
|
|
|
return pvc
|
|
}
|
|
|
|
// function to create vmdk volume
|
|
func createVSphereVolume(vsp *vsphere.VSphere, volumeOptions *vsphere.VolumeOptions) (string, error) {
|
|
var (
|
|
volumePath string
|
|
err error
|
|
)
|
|
if volumeOptions == nil {
|
|
volumeOptions = new(vsphere.VolumeOptions)
|
|
volumeOptions.CapacityKB = 2097152
|
|
volumeOptions.Name = "e2e-vmdk-" + strconv.FormatInt(time.Now().UnixNano(), 10)
|
|
}
|
|
volumePath, err = vsp.CreateVolume(volumeOptions)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
return volumePath, nil
|
|
}
|
|
|
|
// function to write content to the volume backed by given PVC
|
|
func writeContentToVSpherePV(client clientset.Interface, pvc *v1.PersistentVolumeClaim, expectedContent string) {
|
|
runInPodWithVolume(client, pvc.Namespace, pvc.Name, "echo "+expectedContent+" > /mnt/test/data")
|
|
framework.Logf("Done with writing content to volume")
|
|
}
|
|
|
|
// function to verify content is matching on the volume backed for given PVC
|
|
func verifyContentOfVSpherePV(client clientset.Interface, pvc *v1.PersistentVolumeClaim, expectedContent string) {
|
|
runInPodWithVolume(client, pvc.Namespace, pvc.Name, "grep '"+expectedContent+"' /mnt/test/data")
|
|
framework.Logf("Successfully verified content of the volume")
|
|
}
|
|
|
|
func getVSphereStorageClassSpec(name string, scParameters map[string]string) *storage.StorageClass {
|
|
var sc *storage.StorageClass
|
|
|
|
sc = &storage.StorageClass{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "StorageClass",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
},
|
|
Provisioner: "kubernetes.io/vsphere-volume",
|
|
}
|
|
if scParameters != nil {
|
|
sc.Parameters = scParameters
|
|
}
|
|
return sc
|
|
}
|
|
|
|
func getVSphereClaimSpecWithStorageClassAnnotation(ns string, storageclass *storage.StorageClass) *v1.PersistentVolumeClaim {
|
|
scAnnotation := make(map[string]string)
|
|
scAnnotation[v1.BetaStorageClassAnnotation] = storageclass.Name
|
|
|
|
claim := &v1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: "pvc-",
|
|
Namespace: ns,
|
|
Annotations: scAnnotation,
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
AccessModes: []v1.PersistentVolumeAccessMode{
|
|
v1.ReadWriteOnce,
|
|
},
|
|
Resources: v1.ResourceRequirements{
|
|
Requests: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse("2Gi"),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
return claim
|
|
}
|
|
|
|
// func to get pod spec with given volume claim, node selector labels and command
|
|
func getVSpherePodSpecWithClaim(claimName string, nodeSelectorKV map[string]string, command string) *v1.Pod {
|
|
pod := &v1.Pod{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "Pod",
|
|
APIVersion: "v1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: "pod-pvc-",
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "volume-tester",
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: []string{"/bin/sh"},
|
|
Args: []string{"-c", command},
|
|
VolumeMounts: []v1.VolumeMount{
|
|
{
|
|
Name: "my-volume",
|
|
MountPath: "/mnt/test",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: "my-volume",
|
|
VolumeSource: v1.VolumeSource{
|
|
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
|
|
ClaimName: claimName,
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
if nodeSelectorKV != nil {
|
|
pod.Spec.NodeSelector = nodeSelectorKV
|
|
}
|
|
return pod
|
|
}
|
|
|
|
// func to get pod spec with given volume paths, node selector lables and container commands
|
|
func getVSpherePodSpecWithVolumePaths(volumePaths []string, keyValuelabel map[string]string, commands []string) *v1.Pod {
|
|
var volumeMounts []v1.VolumeMount
|
|
var volumes []v1.Volume
|
|
|
|
for index, volumePath := range volumePaths {
|
|
name := fmt.Sprintf("volume%v", index+1)
|
|
volumeMounts = append(volumeMounts, v1.VolumeMount{Name: name, MountPath: "/mnt/" + name})
|
|
vsphereVolume := new(v1.VsphereVirtualDiskVolumeSource)
|
|
vsphereVolume.VolumePath = volumePath
|
|
vsphereVolume.FSType = "ext4"
|
|
volumes = append(volumes, v1.Volume{Name: name})
|
|
volumes[index].VolumeSource.VsphereVolume = vsphereVolume
|
|
}
|
|
|
|
if commands == nil || len(commands) == 0 {
|
|
commands = []string{
|
|
"/bin/sh",
|
|
"-c",
|
|
"while true; do sleep 2; done",
|
|
}
|
|
}
|
|
pod := &v1.Pod{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "Pod",
|
|
APIVersion: "v1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: "vsphere-e2e-",
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "vsphere-e2e-container-" + string(uuid.NewUUID()),
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: commands,
|
|
VolumeMounts: volumeMounts,
|
|
},
|
|
},
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
Volumes: volumes,
|
|
},
|
|
}
|
|
|
|
if keyValuelabel != nil {
|
|
pod.Spec.NodeSelector = keyValuelabel
|
|
}
|
|
return pod
|
|
}
|
|
|
|
func verifyFilesExistOnVSphereVolume(namespace string, podName string, filePaths []string) {
|
|
for _, filePath := range filePaths {
|
|
_, err := framework.RunKubectl("exec", fmt.Sprintf("--namespace=%s", namespace), podName, "--", "/bin/ls", filePath)
|
|
Expect(err).NotTo(HaveOccurred(), fmt.Sprintf("failed to verify file: %q on the pod: %q", filePath, podName))
|
|
}
|
|
}
|
|
|
|
func createEmptyFilesOnVSphereVolume(namespace string, podName string, filePaths []string) {
|
|
for _, filePath := range filePaths {
|
|
err := framework.CreateEmptyFileOnPod(namespace, podName, filePath)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}
|
|
}
|
|
|
|
// verify volumes are attached to the node and are accessible in pod
|
|
func verifyVSphereVolumesAccessible(pod *v1.Pod, persistentvolumes []*v1.PersistentVolume, vsp *vsphere.VSphere) {
|
|
nodeName := pod.Spec.NodeName
|
|
namespace := pod.Namespace
|
|
for index, pv := range persistentvolumes {
|
|
// Verify disks are attached to the node
|
|
isAttached, err := verifyVSphereDiskAttached(vsp, pv.Spec.VsphereVolume.VolumePath, k8stype.NodeName(nodeName))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(isAttached).To(BeTrue(), fmt.Sprintf("disk %v is not attached with the node", pv.Spec.VsphereVolume.VolumePath))
|
|
// Verify Volumes are accessible
|
|
filepath := filepath.Join("/mnt/", fmt.Sprintf("volume%v", index+1), "/emptyFile.txt")
|
|
_, err = framework.LookForStringInPodExec(namespace, pod.Name, []string{"/bin/touch", filepath}, "", time.Minute)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}
|
|
}
|