mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
437 lines
12 KiB
Go
437 lines
12 KiB
Go
/*
|
|
Copyright 2016 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 testing
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/golang/glog"
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/watch"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
core "k8s.io/client-go/testing"
|
|
"k8s.io/kubernetes/pkg/volume"
|
|
"k8s.io/kubernetes/pkg/volume/util"
|
|
)
|
|
|
|
const TestPluginName = "kubernetes.io/testPlugin"
|
|
|
|
// GetTestVolumeSpec returns a test volume spec
|
|
func GetTestVolumeSpec(volumeName string, diskName v1.UniqueVolumeName) *volume.Spec {
|
|
return &volume.Spec{
|
|
Volume: &v1.Volume{
|
|
Name: volumeName,
|
|
VolumeSource: v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: string(diskName),
|
|
FSType: "fake",
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
},
|
|
PersistentVolume: &v1.PersistentVolume{
|
|
Spec: v1.PersistentVolumeSpec{
|
|
AccessModes: []v1.PersistentVolumeAccessMode{
|
|
v1.ReadWriteOnce,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
var extraPods *v1.PodList
|
|
|
|
func CreateTestClient() *fake.Clientset {
|
|
fakeClient := &fake.Clientset{}
|
|
|
|
extraPods = &v1.PodList{}
|
|
fakeClient.AddReactor("list", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
|
|
obj := &v1.PodList{}
|
|
podNamePrefix := "mypod"
|
|
namespace := "mynamespace"
|
|
for i := 0; i < 5; i++ {
|
|
podName := fmt.Sprintf("%s-%d", podNamePrefix, i)
|
|
pod := v1.Pod{
|
|
Status: v1.PodStatus{
|
|
Phase: v1.PodRunning,
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
UID: types.UID(podName),
|
|
Namespace: namespace,
|
|
Labels: map[string]string{
|
|
"name": podName,
|
|
},
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "containerName",
|
|
Image: "containerImage",
|
|
VolumeMounts: []v1.VolumeMount{
|
|
{
|
|
Name: "volumeMountName",
|
|
ReadOnly: false,
|
|
MountPath: "/mnt",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: "volumeName",
|
|
VolumeSource: v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: "pdName",
|
|
FSType: "ext4",
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
NodeName: "mynode",
|
|
},
|
|
}
|
|
obj.Items = append(obj.Items, pod)
|
|
}
|
|
for _, pod := range extraPods.Items {
|
|
obj.Items = append(obj.Items, pod)
|
|
}
|
|
return true, obj, nil
|
|
})
|
|
fakeClient.AddReactor("create", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
|
|
createAction := action.(core.CreateAction)
|
|
pod := createAction.GetObject().(*v1.Pod)
|
|
extraPods.Items = append(extraPods.Items, *pod)
|
|
return true, createAction.GetObject(), nil
|
|
})
|
|
fakeClient.AddReactor("list", "nodes", func(action core.Action) (handled bool, ret runtime.Object, err error) {
|
|
obj := &v1.NodeList{}
|
|
nodeNamePrefix := "mynode"
|
|
for i := 0; i < 5; i++ {
|
|
var nodeName string
|
|
if i != 0 {
|
|
nodeName = fmt.Sprintf("%s-%d", nodeNamePrefix, i)
|
|
} else {
|
|
// We want also the "mynode" node since all the testing pods live there
|
|
nodeName = nodeNamePrefix
|
|
}
|
|
node := v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: nodeName,
|
|
Labels: map[string]string{
|
|
"name": nodeName,
|
|
},
|
|
Annotations: map[string]string{
|
|
util.ControllerManagedAttachAnnotation: "true",
|
|
},
|
|
},
|
|
Status: v1.NodeStatus{
|
|
VolumesAttached: []v1.AttachedVolume{
|
|
{
|
|
Name: TestPluginName + "/lostVolumeName",
|
|
DevicePath: "fake/path",
|
|
},
|
|
},
|
|
},
|
|
}
|
|
obj.Items = append(obj.Items, node)
|
|
}
|
|
return true, obj, nil
|
|
})
|
|
|
|
fakeWatch := watch.NewFake()
|
|
fakeClient.AddWatchReactor("*", core.DefaultWatchReactor(fakeWatch, nil))
|
|
|
|
return fakeClient
|
|
}
|
|
|
|
// NewPod returns a test pod object
|
|
func NewPod(uid, name string) *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
UID: types.UID(uid),
|
|
Name: name,
|
|
Namespace: name,
|
|
},
|
|
}
|
|
}
|
|
|
|
// NewPod returns a test pod object
|
|
func NewPodWithVolume(podName, volumeName, nodeName string) *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
UID: types.UID(podName),
|
|
Name: podName,
|
|
Namespace: "mynamespace",
|
|
Labels: map[string]string{
|
|
"name": podName,
|
|
},
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "containerName",
|
|
Image: "containerImage",
|
|
VolumeMounts: []v1.VolumeMount{
|
|
{
|
|
Name: "volumeMountName",
|
|
ReadOnly: false,
|
|
MountPath: "/mnt",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: volumeName,
|
|
VolumeSource: v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: "pdName",
|
|
FSType: "ext4",
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
NodeName: nodeName,
|
|
},
|
|
}
|
|
}
|
|
|
|
type TestPlugin struct {
|
|
ErrorEncountered bool
|
|
attachedVolumeMap map[string][]string
|
|
detachedVolumeMap map[string][]string
|
|
pluginLock *sync.RWMutex
|
|
}
|
|
|
|
func (plugin *TestPlugin) Init(host volume.VolumeHost) error {
|
|
return nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetPluginName() string {
|
|
return TestPluginName
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
|
|
plugin.pluginLock.Lock()
|
|
defer plugin.pluginLock.Unlock()
|
|
if spec == nil {
|
|
glog.Errorf("GetVolumeName called with nil volume spec")
|
|
plugin.ErrorEncountered = true
|
|
}
|
|
return spec.Name(), nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) CanSupport(spec *volume.Spec) bool {
|
|
plugin.pluginLock.Lock()
|
|
defer plugin.pluginLock.Unlock()
|
|
if spec == nil {
|
|
glog.Errorf("CanSupport called with nil volume spec")
|
|
plugin.ErrorEncountered = true
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (plugin *TestPlugin) RequiresRemount() bool {
|
|
return false
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewMounter(spec *volume.Spec, podRef *v1.Pod, opts volume.VolumeOptions) (volume.Mounter, error) {
|
|
plugin.pluginLock.Lock()
|
|
defer plugin.pluginLock.Unlock()
|
|
if spec == nil {
|
|
glog.Errorf("NewMounter called with nil volume spec")
|
|
plugin.ErrorEncountered = true
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewUnmounter(name string, podUID types.UID) (volume.Unmounter, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
|
|
fakeVolume := &v1.Volume{
|
|
Name: volumeName,
|
|
VolumeSource: v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: "pdName",
|
|
FSType: "ext4",
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
}
|
|
return volume.NewSpecFromVolume(fakeVolume), nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewAttacher() (volume.Attacher, error) {
|
|
attacher := testPluginAttacher{
|
|
ErrorEncountered: &plugin.ErrorEncountered,
|
|
attachedVolumeMap: plugin.attachedVolumeMap,
|
|
pluginLock: plugin.pluginLock,
|
|
}
|
|
return &attacher, nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewDeviceMounter() (volume.DeviceMounter, error) {
|
|
return plugin.NewAttacher()
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewDetacher() (volume.Detacher, error) {
|
|
detacher := testPluginDetacher{
|
|
detachedVolumeMap: plugin.detachedVolumeMap,
|
|
pluginLock: plugin.pluginLock,
|
|
}
|
|
return &detacher, nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) NewDeviceUnmounter() (volume.DeviceUnmounter, error) {
|
|
return plugin.NewDetacher()
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
|
|
return []string{}, nil
|
|
}
|
|
|
|
func (plugin *TestPlugin) SupportsMountOption() bool {
|
|
return false
|
|
}
|
|
|
|
func (plugin *TestPlugin) SupportsBulkVolumeVerification() bool {
|
|
return false
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetErrorEncountered() bool {
|
|
plugin.pluginLock.RLock()
|
|
defer plugin.pluginLock.RUnlock()
|
|
return plugin.ErrorEncountered
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetAttachedVolumes() map[string][]string {
|
|
plugin.pluginLock.RLock()
|
|
defer plugin.pluginLock.RUnlock()
|
|
ret := make(map[string][]string)
|
|
for nodeName, volumeList := range plugin.attachedVolumeMap {
|
|
ret[nodeName] = make([]string, len(volumeList))
|
|
copy(ret[nodeName], volumeList)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func (plugin *TestPlugin) GetDetachedVolumes() map[string][]string {
|
|
plugin.pluginLock.RLock()
|
|
defer plugin.pluginLock.RUnlock()
|
|
ret := make(map[string][]string)
|
|
for nodeName, volumeList := range plugin.detachedVolumeMap {
|
|
ret[nodeName] = make([]string, len(volumeList))
|
|
copy(ret[nodeName], volumeList)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func CreateTestPlugin() []volume.VolumePlugin {
|
|
attachedVolumes := make(map[string][]string)
|
|
detachedVolumes := make(map[string][]string)
|
|
return []volume.VolumePlugin{&TestPlugin{
|
|
ErrorEncountered: false,
|
|
attachedVolumeMap: attachedVolumes,
|
|
detachedVolumeMap: detachedVolumes,
|
|
pluginLock: &sync.RWMutex{},
|
|
}}
|
|
}
|
|
|
|
// Attacher
|
|
type testPluginAttacher struct {
|
|
ErrorEncountered *bool
|
|
attachedVolumeMap map[string][]string
|
|
pluginLock *sync.RWMutex
|
|
}
|
|
|
|
func (attacher *testPluginAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
|
|
attacher.pluginLock.Lock()
|
|
defer attacher.pluginLock.Unlock()
|
|
if spec == nil {
|
|
*attacher.ErrorEncountered = true
|
|
glog.Errorf("Attach called with nil volume spec")
|
|
return "", fmt.Errorf("Attach called with nil volume spec")
|
|
}
|
|
attacher.attachedVolumeMap[string(nodeName)] = append(attacher.attachedVolumeMap[string(nodeName)], spec.Name())
|
|
return spec.Name(), nil
|
|
}
|
|
|
|
func (attacher *testPluginAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (attacher *testPluginAttacher) WaitForAttach(spec *volume.Spec, devicePath string, pod *v1.Pod, timeout time.Duration) (string, error) {
|
|
attacher.pluginLock.Lock()
|
|
defer attacher.pluginLock.Unlock()
|
|
if spec == nil {
|
|
*attacher.ErrorEncountered = true
|
|
glog.Errorf("WaitForAttach called with nil volume spec")
|
|
return "", fmt.Errorf("WaitForAttach called with nil volume spec")
|
|
}
|
|
fakePath := fmt.Sprintf("%s/%s", devicePath, spec.Name())
|
|
return fakePath, nil
|
|
}
|
|
|
|
func (attacher *testPluginAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
|
|
attacher.pluginLock.Lock()
|
|
defer attacher.pluginLock.Unlock()
|
|
if spec == nil {
|
|
*attacher.ErrorEncountered = true
|
|
glog.Errorf("GetDeviceMountPath called with nil volume spec")
|
|
return "", fmt.Errorf("GetDeviceMountPath called with nil volume spec")
|
|
}
|
|
return "", nil
|
|
}
|
|
|
|
func (attacher *testPluginAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
|
|
attacher.pluginLock.Lock()
|
|
defer attacher.pluginLock.Unlock()
|
|
if spec == nil {
|
|
*attacher.ErrorEncountered = true
|
|
glog.Errorf("MountDevice called with nil volume spec")
|
|
return fmt.Errorf("MountDevice called with nil volume spec")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Detacher
|
|
type testPluginDetacher struct {
|
|
detachedVolumeMap map[string][]string
|
|
pluginLock *sync.RWMutex
|
|
}
|
|
|
|
func (detacher *testPluginDetacher) Detach(volumeName string, nodeName types.NodeName) error {
|
|
detacher.pluginLock.Lock()
|
|
defer detacher.pluginLock.Unlock()
|
|
detacher.detachedVolumeMap[string(nodeName)] = append(detacher.detachedVolumeMap[string(nodeName)], volumeName)
|
|
return nil
|
|
}
|
|
|
|
func (detacher *testPluginDetacher) UnmountDevice(deviceMountPath string) error {
|
|
return nil
|
|
}
|