k3s/test/e2e/storage/drivers/in_tree.go

1403 lines
38 KiB
Go

/*
Copyright 2018 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.
*/
/*
* This file defines various in-tree volume test drivers for TestSuites.
*
* There are two ways, how to prepare test drivers:
* 1) With containerized server (NFS, Ceph, Gluster, iSCSI, ...)
* It creates a server pod which defines one volume for the tests.
* These tests work only when privileged containers are allowed, exporting
* various filesystems (NFS, GlusterFS, ...) usually needs some mounting or
* other privileged magic in the server pod.
*
* Note that the server containers are for testing purposes only and should not
* be used in production.
*
* 2) With server or cloud provider outside of Kubernetes (Cinder, GCE, AWS, Azure, ...)
* Appropriate server or cloud provider must exist somewhere outside
* the tested Kubernetes cluster. CreateVolume will create a new volume to be
* used in the TestSuites for inlineVolume or DynamicPV tests.
*/
package drivers
import (
"fmt"
"math/rand"
"os/exec"
"strings"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"k8s.io/api/core/v1"
rbacv1beta1 "k8s.io/api/rbac/v1beta1"
storagev1 "k8s.io/api/storage/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apiserver/pkg/authentication/serviceaccount"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/storage/testpatterns"
"k8s.io/kubernetes/test/e2e/storage/utils"
vspheretest "k8s.io/kubernetes/test/e2e/storage/vsphere"
imageutils "k8s.io/kubernetes/test/utils/image"
)
// NFS
type nfsDriver struct {
serverIP string
serverPod *v1.Pod
externalProvisionerPod *v1.Pod
externalPluginName string
driverInfo DriverInfo
}
var _ TestDriver = &nfsDriver{}
var _ PreprovisionedVolumeTestDriver = &nfsDriver{}
var _ InlineVolumeTestDriver = &nfsDriver{}
var _ PreprovisionedPVTestDriver = &nfsDriver{}
var _ DynamicPVTestDriver = &nfsDriver{}
// InitNFSDriver returns nfsDriver that implements TestDriver interface
func InitNFSDriver() TestDriver {
return &nfsDriver{
driverInfo: DriverInfo{
Name: "nfs",
MaxFileSize: testpatterns.FileSizeLarge,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: true,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (n *nfsDriver) GetDriverInfo() *DriverInfo {
return &n.driverInfo
}
func (n *nfsDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (n *nfsDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
return &v1.VolumeSource{
NFS: &v1.NFSVolumeSource{
Server: n.serverIP,
Path: "/",
ReadOnly: readOnly,
},
}
}
func (n *nfsDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
return &v1.PersistentVolumeSource{
NFS: &v1.NFSVolumeSource{
Server: n.serverIP,
Path: "/",
ReadOnly: readOnly,
},
}
}
func (n *nfsDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := n.externalPluginName
parameters := map[string]string{"mountOptions": "vers=4.1"}
ns := n.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", n.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (n *nfsDriver) CreateDriver() {
f := n.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
n.externalPluginName = fmt.Sprintf("example.com/nfs-%s", ns.Name)
// TODO(mkimuram): cluster-admin gives too much right but system:persistent-volume-provisioner
// is not enough. We should create new clusterrole for testing.
framework.BindClusterRole(cs.RbacV1beta1(), "cluster-admin", ns.Name,
rbacv1beta1.Subject{Kind: rbacv1beta1.ServiceAccountKind, Namespace: ns.Name, Name: "default"})
err := framework.WaitForAuthorizationUpdate(cs.AuthorizationV1beta1(),
serviceaccount.MakeUsername(ns.Name, "default"),
"", "get", schema.GroupResource{Group: "storage.k8s.io", Resource: "storageclasses"}, true)
framework.ExpectNoError(err, "Failed to update authorization: %v", err)
By("creating an external dynamic provisioner pod")
n.externalProvisionerPod = utils.StartExternalProvisioner(cs, ns.Name, n.externalPluginName)
}
func (n *nfsDriver) CleanupDriver() {
f := n.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
framework.ExpectNoError(framework.DeletePodWithWait(f, cs, n.externalProvisionerPod))
clusterRoleBindingName := ns.Name + "--" + "cluster-admin"
cs.RbacV1beta1().ClusterRoleBindings().Delete(clusterRoleBindingName, metav1.NewDeleteOptions(0))
}
func (n *nfsDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := n.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
// NewNFSServer creates a pod for InlineVolume and PreprovisionedPV,
// and startExternalProvisioner creates a pods for DynamicPV.
// Therefore, we need a different CreateDriver logic for volType.
switch volType {
case testpatterns.InlineVolume:
fallthrough
case testpatterns.PreprovisionedPV:
n.driverInfo.Config, n.serverPod, n.serverIP = framework.NewNFSServer(cs, ns.Name, []string{})
case testpatterns.DynamicPV:
// Do nothing
default:
framework.Failf("Unsupported volType:%v is specified", volType)
}
return nil
}
func (n *nfsDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := n.driverInfo.Framework
switch volType {
case testpatterns.InlineVolume:
fallthrough
case testpatterns.PreprovisionedPV:
framework.CleanUpVolumeServer(f, n.serverPod)
case testpatterns.DynamicPV:
// Do nothing
default:
framework.Failf("Unsupported volType:%v is specified", volType)
}
}
// Gluster
type glusterFSDriver struct {
serverIP string
serverPod *v1.Pod
driverInfo DriverInfo
}
var _ TestDriver = &glusterFSDriver{}
var _ PreprovisionedVolumeTestDriver = &glusterFSDriver{}
var _ InlineVolumeTestDriver = &glusterFSDriver{}
var _ PreprovisionedPVTestDriver = &glusterFSDriver{}
// InitGlusterFSDriver returns glusterFSDriver that implements TestDriver interface
func InitGlusterFSDriver() TestDriver {
return &glusterFSDriver{
driverInfo: DriverInfo{
Name: "gluster",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: true,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (g *glusterFSDriver) GetDriverInfo() *DriverInfo {
return &g.driverInfo
}
func (g *glusterFSDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessNodeOSDistroIs("gci", "ubuntu", "custom")
if pattern.FsType == "xfs" {
framework.SkipUnlessNodeOSDistroIs("ubuntu", "custom")
}
}
func (g *glusterFSDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
name := g.driverInfo.Config.Prefix + "-server"
return &v1.VolumeSource{
Glusterfs: &v1.GlusterfsVolumeSource{
EndpointsName: name,
// 'test_vol' comes from test/images/volumes-tester/gluster/run_gluster.sh
Path: "test_vol",
ReadOnly: readOnly,
},
}
}
func (g *glusterFSDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
name := g.driverInfo.Config.Prefix + "-server"
return &v1.PersistentVolumeSource{
Glusterfs: &v1.GlusterfsVolumeSource{
EndpointsName: name,
// 'test_vol' comes from test/images/volumes-tester/gluster/run_gluster.sh
Path: "test_vol",
ReadOnly: readOnly,
},
}
}
func (g *glusterFSDriver) CreateDriver() {
}
func (g *glusterFSDriver) CleanupDriver() {
}
func (g *glusterFSDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := g.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
g.driverInfo.Config, g.serverPod, g.serverIP = framework.NewGlusterfsServer(cs, ns.Name)
return nil
}
func (g *glusterFSDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := g.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
name := g.driverInfo.Config.Prefix + "-server"
framework.Logf("Deleting Gluster endpoints %q...", name)
err := cs.CoreV1().Endpoints(ns.Name).Delete(name, nil)
if err != nil {
framework.Failf("Gluster delete endpoints failed: %v", err)
}
framework.Logf("Deleting Gluster server pod %q...", g.serverPod.Name)
err = framework.DeletePodWithWait(f, cs, g.serverPod)
if err != nil {
framework.Failf("Gluster server pod delete failed: %v", err)
}
}
// iSCSI
// The iscsiadm utility and iscsi target kernel modules must be installed on all nodes.
type iSCSIDriver struct {
serverIP string
serverPod *v1.Pod
driverInfo DriverInfo
}
var _ TestDriver = &iSCSIDriver{}
var _ PreprovisionedVolumeTestDriver = &iSCSIDriver{}
var _ InlineVolumeTestDriver = &iSCSIDriver{}
var _ PreprovisionedPVTestDriver = &iSCSIDriver{}
// InitISCSIDriver returns iSCSIDriver that implements TestDriver interface
func InitISCSIDriver() TestDriver {
return &iSCSIDriver{
driverInfo: DriverInfo{
Name: "iscsi",
FeatureTag: "[Feature:Volumes]",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext2",
// TODO: fix iSCSI driver can work with ext3
//"ext3",
"ext4",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: true,
},
}
}
func (i *iSCSIDriver) GetDriverInfo() *DriverInfo {
return &i.driverInfo
}
func (i *iSCSIDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (i *iSCSIDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
volSource := v1.VolumeSource{
ISCSI: &v1.ISCSIVolumeSource{
TargetPortal: i.serverIP + ":3260",
// from test/images/volume/iscsi/initiatorname.iscsi
IQN: "iqn.2003-01.org.linux-iscsi.f21.x8664:sn.4b0aae584f7c",
Lun: 0,
ReadOnly: readOnly,
},
}
if fsType != "" {
volSource.ISCSI.FSType = fsType
}
return &volSource
}
func (i *iSCSIDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
pvSource := v1.PersistentVolumeSource{
ISCSI: &v1.ISCSIPersistentVolumeSource{
TargetPortal: i.serverIP + ":3260",
IQN: "iqn.2003-01.org.linux-iscsi.f21.x8664:sn.4b0aae584f7c",
Lun: 0,
ReadOnly: readOnly,
},
}
if fsType != "" {
pvSource.ISCSI.FSType = fsType
}
return &pvSource
}
func (i *iSCSIDriver) CreateDriver() {
}
func (i *iSCSIDriver) CleanupDriver() {
}
func (i *iSCSIDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := i.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
i.driverInfo.Config, i.serverPod, i.serverIP = framework.NewISCSIServer(cs, ns.Name)
return nil
}
func (i *iSCSIDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := i.driverInfo.Framework
framework.CleanUpVolumeServer(f, i.serverPod)
}
// Ceph RBD
type rbdDriver struct {
serverIP string
serverPod *v1.Pod
secret *v1.Secret
driverInfo DriverInfo
}
var _ TestDriver = &rbdDriver{}
var _ PreprovisionedVolumeTestDriver = &rbdDriver{}
var _ InlineVolumeTestDriver = &rbdDriver{}
var _ PreprovisionedPVTestDriver = &rbdDriver{}
// InitRbdDriver returns rbdDriver that implements TestDriver interface
func InitRbdDriver() TestDriver {
return &rbdDriver{
driverInfo: DriverInfo{
Name: "rbd",
FeatureTag: "[Feature:Volumes]",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext2",
// TODO: fix rbd driver can work with ext3
//"ext3",
"ext4",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: true},
}
}
func (r *rbdDriver) GetDriverInfo() *DriverInfo {
return &r.driverInfo
}
func (r *rbdDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (r *rbdDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
volSource := v1.VolumeSource{
RBD: &v1.RBDVolumeSource{
CephMonitors: []string{r.serverIP},
RBDPool: "rbd",
RBDImage: "foo",
RadosUser: "admin",
SecretRef: &v1.LocalObjectReference{
Name: r.secret.Name,
},
ReadOnly: readOnly,
},
}
if fsType != "" {
volSource.RBD.FSType = fsType
}
return &volSource
}
func (r *rbdDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
f := r.driverInfo.Framework
ns := f.Namespace
pvSource := v1.PersistentVolumeSource{
RBD: &v1.RBDPersistentVolumeSource{
CephMonitors: []string{r.serverIP},
RBDPool: "rbd",
RBDImage: "foo",
RadosUser: "admin",
SecretRef: &v1.SecretReference{
Name: r.secret.Name,
Namespace: ns.Name,
},
ReadOnly: readOnly,
},
}
if fsType != "" {
pvSource.RBD.FSType = fsType
}
return &pvSource
}
func (r *rbdDriver) CreateDriver() {
}
func (r *rbdDriver) CleanupDriver() {
}
func (r *rbdDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := r.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
r.driverInfo.Config, r.serverPod, r.secret, r.serverIP = framework.NewRBDServer(cs, ns.Name)
return nil
}
func (r *rbdDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := r.driverInfo.Framework
framework.CleanUpVolumeServerWithSecret(f, r.serverPod, r.secret)
}
// Ceph
type cephFSDriver struct {
serverIP string
serverPod *v1.Pod
secret *v1.Secret
driverInfo DriverInfo
}
var _ TestDriver = &cephFSDriver{}
var _ PreprovisionedVolumeTestDriver = &cephFSDriver{}
var _ InlineVolumeTestDriver = &cephFSDriver{}
var _ PreprovisionedPVTestDriver = &cephFSDriver{}
// InitCephFSDriver returns cephFSDriver that implements TestDriver interface
func InitCephFSDriver() TestDriver {
return &cephFSDriver{
driverInfo: DriverInfo{
Name: "ceph",
FeatureTag: "[Feature:Volumes]",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: true,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (c *cephFSDriver) GetDriverInfo() *DriverInfo {
return &c.driverInfo
}
func (c *cephFSDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (c *cephFSDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
return &v1.VolumeSource{
CephFS: &v1.CephFSVolumeSource{
Monitors: []string{c.serverIP + ":6789"},
User: "kube",
SecretRef: &v1.LocalObjectReference{
Name: c.secret.Name,
},
ReadOnly: readOnly,
},
}
}
func (c *cephFSDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
f := c.driverInfo.Framework
ns := f.Namespace
return &v1.PersistentVolumeSource{
CephFS: &v1.CephFSPersistentVolumeSource{
Monitors: []string{c.serverIP + ":6789"},
User: "kube",
SecretRef: &v1.SecretReference{
Name: c.secret.Name,
Namespace: ns.Name,
},
ReadOnly: readOnly,
},
}
}
func (c *cephFSDriver) CreateDriver() {
}
func (c *cephFSDriver) CleanupDriver() {
}
func (c *cephFSDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := c.driverInfo.Framework
cs := f.ClientSet
ns := f.Namespace
c.driverInfo.Config, c.serverPod, c.secret, c.serverIP = framework.NewRBDServer(cs, ns.Name)
return nil
}
func (c *cephFSDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := c.driverInfo.Framework
framework.CleanUpVolumeServerWithSecret(f, c.serverPod, c.secret)
}
// Hostpath
type hostPathDriver struct {
node v1.Node
driverInfo DriverInfo
}
var _ TestDriver = &hostPathDriver{}
var _ PreprovisionedVolumeTestDriver = &hostPathDriver{}
var _ InlineVolumeTestDriver = &hostPathDriver{}
// InitHostpathDriver returns hostPathDriver that implements TestDriver interface
func InitHostPathDriver() TestDriver {
return &hostPathDriver{
driverInfo: DriverInfo{
Name: "hostPath",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: true,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (h *hostPathDriver) GetDriverInfo() *DriverInfo {
return &h.driverInfo
}
func (h *hostPathDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (h *hostPathDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
// hostPath doesn't support readOnly volume
if readOnly {
return nil
}
return &v1.VolumeSource{
HostPath: &v1.HostPathVolumeSource{
Path: "/tmp",
},
}
}
func (h *hostPathDriver) CreateDriver() {
}
func (h *hostPathDriver) CleanupDriver() {
}
func (h *hostPathDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := h.driverInfo.Framework
cs := f.ClientSet
// pods should be scheduled on the node
nodes := framework.GetReadySchedulableNodesOrDie(cs)
node := nodes.Items[rand.Intn(len(nodes.Items))]
h.driverInfo.Config.ClientNodeName = node.Name
return nil
}
func (h *hostPathDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
}
// HostPathSymlink
type hostPathSymlinkDriver struct {
node v1.Node
sourcePath string
targetPath string
prepPod *v1.Pod
driverInfo DriverInfo
}
var _ TestDriver = &hostPathSymlinkDriver{}
var _ PreprovisionedVolumeTestDriver = &hostPathSymlinkDriver{}
var _ InlineVolumeTestDriver = &hostPathSymlinkDriver{}
// InitHostPathSymlinkDriver returns hostPathSymlinkDriver that implements TestDriver interface
func InitHostPathSymlinkDriver() TestDriver {
return &hostPathSymlinkDriver{
driverInfo: DriverInfo{
Name: "hostPathSymlink",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: true,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (h *hostPathSymlinkDriver) GetDriverInfo() *DriverInfo {
return &h.driverInfo
}
func (h *hostPathSymlinkDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (h *hostPathSymlinkDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
// hostPathSymlink doesn't support readOnly volume
if readOnly {
return nil
}
return &v1.VolumeSource{
HostPath: &v1.HostPathVolumeSource{
Path: h.targetPath,
},
}
}
func (h *hostPathSymlinkDriver) CreateDriver() {
}
func (h *hostPathSymlinkDriver) CleanupDriver() {
}
func (h *hostPathSymlinkDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := h.driverInfo.Framework
cs := f.ClientSet
h.sourcePath = fmt.Sprintf("/tmp/%v", f.Namespace.Name)
h.targetPath = fmt.Sprintf("/tmp/%v-link", f.Namespace.Name)
volumeName := "test-volume"
// pods should be scheduled on the node
nodes := framework.GetReadySchedulableNodesOrDie(cs)
node := nodes.Items[rand.Intn(len(nodes.Items))]
h.driverInfo.Config.ClientNodeName = node.Name
cmd := fmt.Sprintf("mkdir %v -m 777 && ln -s %v %v", h.sourcePath, h.sourcePath, h.targetPath)
privileged := true
// Launch pod to initialize hostPath directory and symlink
h.prepPod = &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("hostpath-symlink-prep-%s", f.Namespace.Name),
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: fmt.Sprintf("init-volume-%s", f.Namespace.Name),
Image: imageutils.GetE2EImage(imageutils.BusyBox),
Command: []string{"/bin/sh", "-ec", cmd},
VolumeMounts: []v1.VolumeMount{
{
Name: volumeName,
MountPath: "/tmp",
},
},
SecurityContext: &v1.SecurityContext{
Privileged: &privileged,
},
},
},
RestartPolicy: v1.RestartPolicyNever,
Volumes: []v1.Volume{
{
Name: volumeName,
VolumeSource: v1.VolumeSource{
HostPath: &v1.HostPathVolumeSource{
Path: "/tmp",
},
},
},
},
NodeName: node.Name,
},
}
// h.prepPod will be reused in cleanupDriver.
pod, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(h.prepPod)
Expect(err).ToNot(HaveOccurred(), "while creating hostPath init pod")
err = framework.WaitForPodSuccessInNamespace(f.ClientSet, pod.Name, pod.Namespace)
Expect(err).ToNot(HaveOccurred(), "while waiting for hostPath init pod to succeed")
err = framework.DeletePodWithWait(f, f.ClientSet, pod)
Expect(err).ToNot(HaveOccurred(), "while deleting hostPath init pod")
return nil
}
func (h *hostPathSymlinkDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
f := h.driverInfo.Framework
cmd := fmt.Sprintf("rm -rf %v&& rm -rf %v", h.targetPath, h.sourcePath)
h.prepPod.Spec.Containers[0].Command = []string{"/bin/sh", "-ec", cmd}
pod, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(h.prepPod)
Expect(err).ToNot(HaveOccurred(), "while creating hostPath teardown pod")
err = framework.WaitForPodSuccessInNamespace(f.ClientSet, pod.Name, pod.Namespace)
Expect(err).ToNot(HaveOccurred(), "while waiting for hostPath teardown pod to succeed")
err = framework.DeletePodWithWait(f, f.ClientSet, pod)
Expect(err).ToNot(HaveOccurred(), "while deleting hostPath teardown pod")
}
// emptydir
type emptydirDriver struct {
driverInfo DriverInfo
}
var _ TestDriver = &emptydirDriver{}
var _ PreprovisionedVolumeTestDriver = &emptydirDriver{}
var _ InlineVolumeTestDriver = &emptydirDriver{}
// InitEmptydirDriver returns emptydirDriver that implements TestDriver interface
func InitEmptydirDriver() TestDriver {
return &emptydirDriver{
driverInfo: DriverInfo{
Name: "emptydir",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
),
IsPersistent: false,
IsFsGroupSupported: false,
IsBlockSupported: false,
},
}
}
func (e *emptydirDriver) GetDriverInfo() *DriverInfo {
return &e.driverInfo
}
func (e *emptydirDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
}
func (e *emptydirDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
// emptydir doesn't support readOnly volume
if readOnly {
return nil
}
return &v1.VolumeSource{
EmptyDir: &v1.EmptyDirVolumeSource{},
}
}
func (e *emptydirDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
return nil
}
func (e *emptydirDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
}
func (e *emptydirDriver) CreateDriver() {
}
func (e *emptydirDriver) CleanupDriver() {
}
// Cinder
// This driver assumes that OpenStack client tools are installed
// (/usr/bin/nova, /usr/bin/cinder and /usr/bin/keystone)
// and that the usual OpenStack authentication env. variables are set
// (OS_USERNAME, OS_PASSWORD, OS_TENANT_NAME at least).
type cinderDriver struct {
volumeName string
volumeID string
driverInfo DriverInfo
}
var _ TestDriver = &cinderDriver{}
var _ PreprovisionedVolumeTestDriver = &cinderDriver{}
var _ InlineVolumeTestDriver = &cinderDriver{}
var _ PreprovisionedPVTestDriver = &cinderDriver{}
var _ DynamicPVTestDriver = &cinderDriver{}
// InitCinderDriver returns cinderDriver that implements TestDriver interface
func InitCinderDriver() TestDriver {
return &cinderDriver{
driverInfo: DriverInfo{
Name: "cinder",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext3",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: false,
},
}
}
func (c *cinderDriver) GetDriverInfo() *DriverInfo {
return &c.driverInfo
}
func (c *cinderDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessProviderIs("openstack")
}
func (c *cinderDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
volSource := v1.VolumeSource{
Cinder: &v1.CinderVolumeSource{
VolumeID: c.volumeID,
ReadOnly: readOnly,
},
}
if fsType != "" {
volSource.Cinder.FSType = fsType
}
return &volSource
}
func (c *cinderDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
pvSource := v1.PersistentVolumeSource{
Cinder: &v1.CinderPersistentVolumeSource{
VolumeID: c.volumeID,
ReadOnly: readOnly,
},
}
if fsType != "" {
pvSource.Cinder.FSType = fsType
}
return &pvSource
}
func (c *cinderDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := "kubernetes.io/cinder"
parameters := map[string]string{}
if fsType != "" {
parameters["fsType"] = fsType
}
ns := c.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", c.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (c *cinderDriver) CreateDriver() {
}
func (c *cinderDriver) CleanupDriver() {
}
func (c *cinderDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := c.driverInfo.Framework
ns := f.Namespace
// We assume that namespace.Name is a random string
c.volumeName = ns.Name
By("creating a test Cinder volume")
output, err := exec.Command("cinder", "create", "--display-name="+c.volumeName, "1").CombinedOutput()
outputString := string(output[:])
framework.Logf("cinder output:\n%s", outputString)
Expect(err).NotTo(HaveOccurred())
// Parse 'id'' from stdout. Expected format:
// | attachments | [] |
// | availability_zone | nova |
// ...
// | id | 1d6ff08f-5d1c-41a4-ad72-4ef872cae685 |
c.volumeID = ""
for _, line := range strings.Split(outputString, "\n") {
fields := strings.Fields(line)
if len(fields) != 5 {
continue
}
if fields[1] != "id" {
continue
}
c.volumeID = fields[3]
break
}
framework.Logf("Volume ID: %s", c.volumeID)
Expect(c.volumeID).NotTo(Equal(""))
return nil
}
func (c *cinderDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
deleteCinderVolume(c.volumeName)
}
func deleteCinderVolume(name string) error {
// Try to delete the volume for several seconds - it takes
// a while for the plugin to detach it.
var output []byte
var err error
timeout := time.Second * 120
framework.Logf("Waiting up to %v for removal of cinder volume %s", timeout, name)
for start := time.Now(); time.Since(start) < timeout; time.Sleep(5 * time.Second) {
output, err = exec.Command("cinder", "delete", name).CombinedOutput()
if err == nil {
framework.Logf("Cinder volume %s deleted", name)
return nil
}
framework.Logf("Failed to delete volume %s: %v", name, err)
}
framework.Logf("Giving up deleting volume %s: %v\n%s", name, err, string(output[:]))
return err
}
// GCE
type gcePdDriver struct {
volumeName string
driverInfo DriverInfo
}
var _ TestDriver = &gcePdDriver{}
var _ PreprovisionedVolumeTestDriver = &gcePdDriver{}
var _ InlineVolumeTestDriver = &gcePdDriver{}
var _ PreprovisionedPVTestDriver = &gcePdDriver{}
var _ DynamicPVTestDriver = &gcePdDriver{}
// InitGceDriver returns gcePdDriver that implements TestDriver interface
func InitGcePdDriver() TestDriver {
return &gcePdDriver{
driverInfo: DriverInfo{
Name: "gcepd",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext2",
"ext3",
"ext4",
"xfs",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: true,
},
}
}
func (g *gcePdDriver) GetDriverInfo() *DriverInfo {
return &g.driverInfo
}
func (g *gcePdDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessProviderIs("gce", "gke")
if pattern.FsType == "xfs" {
framework.SkipUnlessNodeOSDistroIs("ubuntu", "custom")
}
}
func (g *gcePdDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
gtr, ok := testResource.(*gcePdTestResource)
Expect(ok).To(BeTrue(), "Failed to cast test resource to GCE PD Test Resource")
volSource := v1.VolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
PDName: gtr.volumeName,
ReadOnly: readOnly,
},
}
if fsType != "" {
volSource.GCEPersistentDisk.FSType = fsType
}
return &volSource
}
func (g *gcePdDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
gtr, ok := testResource.(*gcePdTestResource)
Expect(ok).To(BeTrue(), "Failed to cast test resource to GCE PD Test Resource")
pvSource := v1.PersistentVolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
PDName: gtr.volumeName,
ReadOnly: readOnly,
},
}
if fsType != "" {
pvSource.GCEPersistentDisk.FSType = fsType
}
return &pvSource
}
func (g *gcePdDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := "kubernetes.io/gce-pd"
parameters := map[string]string{}
if fsType != "" {
parameters["fsType"] = fsType
}
ns := g.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", g.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (g *gcePdDriver) CreateDriver() {
}
func (g *gcePdDriver) CleanupDriver() {
}
type gcePdTestResource struct {
volumeName string
}
func (g *gcePdDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
if volType == testpatterns.InlineVolume {
// PD will be created in framework.TestContext.CloudConfig.Zone zone,
// so pods should be also scheduled there.
g.driverInfo.Config.NodeSelector = map[string]string{
kubeletapis.LabelZoneFailureDomain: framework.TestContext.CloudConfig.Zone,
}
}
By("creating a test gce pd volume")
vname, err := framework.CreatePDWithRetry()
Expect(err).NotTo(HaveOccurred())
return &gcePdTestResource{
volumeName: vname,
}
}
func (g *gcePdDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
gtr, ok := testResource.(*gcePdTestResource)
Expect(ok).To(BeTrue(), "Failed to cast test resource to GCE PD Test Resource")
framework.DeletePDWithRetry(gtr.volumeName)
}
// vSphere
type vSphereDriver struct {
volumePath string
nodeInfo *vspheretest.NodeInfo
driverInfo DriverInfo
}
var _ TestDriver = &vSphereDriver{}
var _ PreprovisionedVolumeTestDriver = &vSphereDriver{}
var _ InlineVolumeTestDriver = &vSphereDriver{}
var _ PreprovisionedPVTestDriver = &vSphereDriver{}
var _ DynamicPVTestDriver = &vSphereDriver{}
// InitVSphereDriver returns vSphereDriver that implements TestDriver interface
func InitVSphereDriver() TestDriver {
return &vSphereDriver{
driverInfo: DriverInfo{
Name: "vSphere",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext4",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: false,
},
}
}
func (v *vSphereDriver) GetDriverInfo() *DriverInfo {
return &v.driverInfo
}
func (v *vSphereDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessProviderIs("vsphere")
}
func (v *vSphereDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
// vSphere driver doesn't seem to support readOnly volume
// TODO: check if it is correct
if readOnly {
return nil
}
volSource := v1.VolumeSource{
VsphereVolume: &v1.VsphereVirtualDiskVolumeSource{
VolumePath: v.volumePath,
},
}
if fsType != "" {
volSource.VsphereVolume.FSType = fsType
}
return &volSource
}
func (v *vSphereDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
// vSphere driver doesn't seem to support readOnly volume
// TODO: check if it is correct
if readOnly {
return nil
}
pvSource := v1.PersistentVolumeSource{
VsphereVolume: &v1.VsphereVirtualDiskVolumeSource{
VolumePath: v.volumePath,
},
}
if fsType != "" {
pvSource.VsphereVolume.FSType = fsType
}
return &pvSource
}
func (v *vSphereDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := "kubernetes.io/vsphere-volume"
parameters := map[string]string{}
if fsType != "" {
parameters["fsType"] = fsType
}
ns := v.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", v.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (v *vSphereDriver) CreateDriver() {
}
func (v *vSphereDriver) CleanupDriver() {
}
func (v *vSphereDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
f := v.driverInfo.Framework
vspheretest.Bootstrap(f)
v.nodeInfo = vspheretest.GetReadySchedulableRandomNodeInfo()
var err error
v.volumePath, err = v.nodeInfo.VSphere.CreateVolume(&vspheretest.VolumeOptions{}, v.nodeInfo.DataCenterRef)
Expect(err).NotTo(HaveOccurred())
return nil
}
func (v *vSphereDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
v.nodeInfo.VSphere.DeleteVolume(v.volumePath, v.nodeInfo.DataCenterRef)
}
// Azure
type azureDriver struct {
volumeName string
driverInfo DriverInfo
}
var _ TestDriver = &azureDriver{}
var _ PreprovisionedVolumeTestDriver = &azureDriver{}
var _ InlineVolumeTestDriver = &azureDriver{}
var _ PreprovisionedPVTestDriver = &azureDriver{}
var _ DynamicPVTestDriver = &azureDriver{}
// InitAzureDriver returns azureDriver that implements TestDriver interface
func InitAzureDriver() TestDriver {
return &azureDriver{
driverInfo: DriverInfo{
Name: "azure",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext4",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: true,
},
}
}
func (a *azureDriver) GetDriverInfo() *DriverInfo {
return &a.driverInfo
}
func (a *azureDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessProviderIs("azure")
}
func (a *azureDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
diskName := a.volumeName[(strings.LastIndex(a.volumeName, "/") + 1):]
volSource := v1.VolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
DiskName: diskName,
DataDiskURI: a.volumeName,
ReadOnly: &readOnly,
},
}
if fsType != "" {
volSource.AzureDisk.FSType = &fsType
}
return &volSource
}
func (a *azureDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
diskName := a.volumeName[(strings.LastIndex(a.volumeName, "/") + 1):]
pvSource := v1.PersistentVolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
DiskName: diskName,
DataDiskURI: a.volumeName,
ReadOnly: &readOnly,
},
}
if fsType != "" {
pvSource.AzureDisk.FSType = &fsType
}
return &pvSource
}
func (a *azureDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := "kubernetes.io/azure-disk"
parameters := map[string]string{}
if fsType != "" {
parameters["fsType"] = fsType
}
ns := a.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", a.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (a *azureDriver) CreateDriver() {
}
func (a *azureDriver) CleanupDriver() {
}
func (a *azureDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
By("creating a test azure disk volume")
var err error
a.volumeName, err = framework.CreatePDWithRetry()
Expect(err).NotTo(HaveOccurred())
return nil
}
func (a *azureDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
framework.DeletePDWithRetry(a.volumeName)
}
// AWS
type awsDriver struct {
volumeName string
driverInfo DriverInfo
}
var _ TestDriver = &awsDriver{}
// TODO: Fix authorization error in attach operation and uncomment below
//var _ PreprovisionedVolumeTestDriver = &awsDriver{}
//var _ InlineVolumeTestDriver = &awsDriver{}
//var _ PreprovisionedPVTestDriver = &awsDriver{}
var _ DynamicPVTestDriver = &awsDriver{}
// InitAwsDriver returns awsDriver that implements TestDriver interface
func InitAwsDriver() TestDriver {
return &awsDriver{
driverInfo: DriverInfo{
Name: "aws",
MaxFileSize: testpatterns.FileSizeMedium,
SupportedFsType: sets.NewString(
"", // Default fsType
"ext3",
),
IsPersistent: true,
IsFsGroupSupported: true,
IsBlockSupported: true,
},
}
}
func (a *awsDriver) GetDriverInfo() *DriverInfo {
return &a.driverInfo
}
func (a *awsDriver) SkipUnsupportedTest(pattern testpatterns.TestPattern) {
framework.SkipUnlessProviderIs("aws")
}
// TODO: Fix authorization error in attach operation and uncomment below
/*
func (a *awsDriver) GetVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.VolumeSource {
volSource := v1.VolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: a.volumeName,
ReadOnly: readOnly,
},
}
if fsType != "" {
volSource.AWSElasticBlockStore.FSType = fsType
}
return &volSource
}
func (a *awsDriver) GetPersistentVolumeSource(readOnly bool, fsType string, testResource interface{}) *v1.PersistentVolumeSource {
pvSource := v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: a.volumeName,
ReadOnly: readOnly,
},
}
if fsType != "" {
pvSource.AWSElasticBlockStore.FSType = fsType
}
return &pvSource
}
*/
func (a *awsDriver) GetDynamicProvisionStorageClass(fsType string) *storagev1.StorageClass {
provisioner := "kubernetes.io/aws-ebs"
parameters := map[string]string{}
if fsType != "" {
parameters["fsType"] = fsType
}
ns := a.driverInfo.Framework.Namespace.Name
suffix := fmt.Sprintf("%s-sc", a.driverInfo.Name)
return getStorageClass(provisioner, parameters, nil, ns, suffix)
}
func (a *awsDriver) CreateDriver() {
}
func (a *awsDriver) CleanupDriver() {
}
// TODO: Fix authorization error in attach operation and uncomment below
/*
func (a *awsDriver) CreateVolume(volType testpatterns.TestVolType) interface{} {
By("creating a test aws volume")
var err error
a.volumeName, err = framework.CreatePDWithRetry()
Expect(err).NotTo(HaveOccurred())
}
func (a *awsDriver) DeleteVolume(volType testpatterns.TestVolType, testResource interface{}) {
framework.DeletePDWithRetry(a.volumeName)
}
*/