521 lines
19 KiB
Go
521 lines
19 KiB
Go
/*
|
|
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 operationexecutor
|
|
|
|
import (
|
|
"fmt"
|
|
"k8s.io/apimachinery/pkg/api/resource"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
core "k8s.io/client-go/testing"
|
|
"k8s.io/client-go/tools/record"
|
|
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
"os"
|
|
"testing"
|
|
|
|
io_prometheus_client "github.com/prometheus/client_model/go"
|
|
"github.com/stretchr/testify/assert"
|
|
v1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/util/uuid"
|
|
fakeclient "k8s.io/client-go/kubernetes/fake"
|
|
"k8s.io/component-base/metrics/legacyregistry"
|
|
"k8s.io/csi-translation-lib/plugins"
|
|
"k8s.io/kubernetes/pkg/volume"
|
|
"k8s.io/kubernetes/pkg/volume/awsebs"
|
|
csitesting "k8s.io/kubernetes/pkg/volume/csi/testing"
|
|
"k8s.io/kubernetes/pkg/volume/gcepd"
|
|
volumetesting "k8s.io/kubernetes/pkg/volume/testing"
|
|
volumetypes "k8s.io/kubernetes/pkg/volume/util/types"
|
|
)
|
|
|
|
// this method just tests the volume plugin name that's used in CompleteFunc, the same plugin is also used inside the
|
|
// generated func so there is no need to test the plugin name that's used inside generated function
|
|
func TestOperationGenerator_GenerateUnmapVolumeFunc_PluginName(t *testing.T) {
|
|
type testcase struct {
|
|
name string
|
|
pluginName string
|
|
pvSpec v1.PersistentVolumeSpec
|
|
probVolumePlugins []volume.VolumePlugin
|
|
}
|
|
|
|
testcases := []testcase{
|
|
{
|
|
name: "gce pd plugin: csi migration disabled",
|
|
pluginName: plugins.GCEPDInTreePluginName,
|
|
pvSpec: v1.PersistentVolumeSpec{
|
|
PersistentVolumeSource: v1.PersistentVolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{},
|
|
}},
|
|
probVolumePlugins: gcepd.ProbeVolumePlugins(),
|
|
},
|
|
{
|
|
name: "aws ebs plugin: csi migration disabled",
|
|
pluginName: plugins.AWSEBSInTreePluginName,
|
|
pvSpec: v1.PersistentVolumeSpec{
|
|
PersistentVolumeSource: v1.PersistentVolumeSource{
|
|
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{},
|
|
}},
|
|
probVolumePlugins: awsebs.ProbeVolumePlugins(),
|
|
},
|
|
}
|
|
|
|
for _, tc := range testcases {
|
|
expectedPluginName := tc.pluginName
|
|
volumePluginMgr, tmpDir := initTestPlugins(t, tc.probVolumePlugins, tc.pluginName)
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
operationGenerator := getTestOperationGenerator(volumePluginMgr)
|
|
|
|
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID(string(uuid.NewUUID()))}}
|
|
volumeToUnmount := getTestVolumeToUnmount(pod, tc.pvSpec, tc.pluginName)
|
|
|
|
unmapVolumeFunc, e := operationGenerator.GenerateUnmapVolumeFunc(volumeToUnmount, nil)
|
|
if e != nil {
|
|
t.Fatalf("Error occurred while generating unmapVolumeFunc: %v", e)
|
|
}
|
|
|
|
metricFamilyName := "storage_operation_duration_seconds"
|
|
labelFilter := map[string]string{
|
|
"migrated": "false",
|
|
"status": "success",
|
|
"operation_name": "unmap_volume",
|
|
"volume_plugin": expectedPluginName,
|
|
}
|
|
// compare the relative change of the metric because of the global state of the prometheus.DefaultGatherer.Gather()
|
|
storageOperationDurationSecondsMetricBefore := findMetricWithNameAndLabels(metricFamilyName, labelFilter)
|
|
|
|
var ee error
|
|
unmapVolumeFunc.CompleteFunc(volumetypes.CompleteFuncParam{Err: &ee})
|
|
|
|
storageOperationDurationSecondsMetricAfter := findMetricWithNameAndLabels(metricFamilyName, labelFilter)
|
|
if storageOperationDurationSecondsMetricAfter == nil {
|
|
t.Fatalf("Couldn't find the metric with name(%s) and labels(%v)", metricFamilyName, labelFilter)
|
|
}
|
|
|
|
if storageOperationDurationSecondsMetricBefore == nil {
|
|
assert.Equal(t, uint64(1), *storageOperationDurationSecondsMetricAfter.Histogram.SampleCount, tc.name)
|
|
} else {
|
|
metricValueDiff := *storageOperationDurationSecondsMetricAfter.Histogram.SampleCount - *storageOperationDurationSecondsMetricBefore.Histogram.SampleCount
|
|
assert.Equal(t, uint64(1), metricValueDiff, tc.name)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestOperationGenerator_GenerateExpandAndRecoverVolumeFunc(t *testing.T) {
|
|
var tests = []struct {
|
|
name string
|
|
pvc *v1.PersistentVolumeClaim
|
|
pv *v1.PersistentVolume
|
|
recoverFeatureGate bool
|
|
disableNodeExpansion bool
|
|
// expectations of test
|
|
expectedResizeStatus v1.PersistentVolumeClaimResizeStatus
|
|
expectedAllocatedSize resource.Quantity
|
|
expectResizeCall bool
|
|
}{
|
|
{
|
|
name: "pvc.spec.size > pv.spec.size, recover_expansion=on",
|
|
pvc: getTestPVC("test-vol0", "2G", "1G", "", v1.PersistentVolumeClaimNoExpansionInProgress),
|
|
pv: getTestPV("test-vol0", "1G"),
|
|
recoverFeatureGate: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionPending,
|
|
expectedAllocatedSize: resource.MustParse("2G"),
|
|
expectResizeCall: true,
|
|
},
|
|
{
|
|
name: "pvc.spec.size = pv.spec.size, recover_expansion=on",
|
|
pvc: getTestPVC("test-vol0", "1G", "1G", "", v1.PersistentVolumeClaimNoExpansionInProgress),
|
|
pv: getTestPV("test-vol0", "1G"),
|
|
recoverFeatureGate: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionPending,
|
|
expectedAllocatedSize: resource.MustParse("1G"),
|
|
expectResizeCall: true,
|
|
},
|
|
{
|
|
name: "pvc.spec.size = pv.spec.size, recover_expansion=on",
|
|
pvc: getTestPVC("test-vol0", "1G", "1G", "1G", v1.PersistentVolumeClaimNodeExpansionPending),
|
|
pv: getTestPV("test-vol0", "1G"),
|
|
recoverFeatureGate: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionPending,
|
|
expectedAllocatedSize: resource.MustParse("1G"),
|
|
expectResizeCall: false,
|
|
},
|
|
{
|
|
name: "pvc.spec.size > pv.spec.size, recover_expansion=on, disable_node_expansion=true",
|
|
pvc: getTestPVC("test-vol0", "2G", "1G", "", v1.PersistentVolumeClaimNoExpansionInProgress),
|
|
pv: getTestPV("test-vol0", "1G"),
|
|
disableNodeExpansion: true,
|
|
recoverFeatureGate: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNoExpansionInProgress,
|
|
expectedAllocatedSize: resource.MustParse("2G"),
|
|
expectResizeCall: true,
|
|
},
|
|
{
|
|
name: "pv.spec.size >= pvc.spec.size, recover_expansion=on, resize_status=node_expansion_failed",
|
|
pvc: getTestPVC("test-vol0", "2G", "1G", "2G", v1.PersistentVolumeClaimNodeExpansionFailed),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
recoverFeatureGate: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionPending,
|
|
expectedAllocatedSize: resource.MustParse("2G"),
|
|
expectResizeCall: false,
|
|
},
|
|
}
|
|
for i := range tests {
|
|
test := tests[i]
|
|
t.Run(test.name, func(t *testing.T) {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.RecoverVolumeExpansionFailure, test.recoverFeatureGate)()
|
|
volumePluginMgr, fakePlugin := volumetesting.GetTestKubeletVolumePluginMgr(t)
|
|
fakePlugin.DisableNodeExpansion = test.disableNodeExpansion
|
|
pvc := test.pvc
|
|
pv := test.pv
|
|
og := getTestOperationGenerator(volumePluginMgr, pvc, pv)
|
|
rsOpts := inTreeResizeOpts{
|
|
pvc: pvc,
|
|
pv: pv,
|
|
resizerName: fakePlugin.GetPluginName(),
|
|
volumePlugin: fakePlugin,
|
|
}
|
|
ogInstance, _ := og.(*operationGenerator)
|
|
|
|
expansionResponse := ogInstance.expandAndRecoverFunction(rsOpts)
|
|
if expansionResponse.err != nil {
|
|
t.Fatalf("GenerateExpandAndRecoverVolumeFunc failed: %v", expansionResponse.err)
|
|
}
|
|
updatedPVC := expansionResponse.pvc
|
|
assert.Equal(t, *updatedPVC.Status.ResizeStatus, test.expectedResizeStatus)
|
|
actualAllocatedSize := updatedPVC.Status.AllocatedResources.Storage()
|
|
if test.expectedAllocatedSize.Cmp(*actualAllocatedSize) != 0 {
|
|
t.Fatalf("GenerateExpandAndRecoverVolumeFunc failed: expected allocated size %s, got %s", test.expectedAllocatedSize.String(), actualAllocatedSize.String())
|
|
}
|
|
if test.expectResizeCall != expansionResponse.resizeCalled {
|
|
t.Fatalf("GenerateExpandAndRecoverVolumeFunc failed: expected resize called %t, got %t", test.expectResizeCall, expansionResponse.resizeCalled)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestOperationGenerator_nodeExpandVolume(t *testing.T) {
|
|
getSizeFunc := func(size string) *resource.Quantity {
|
|
x := resource.MustParse(size)
|
|
return &x
|
|
}
|
|
|
|
var tests = []struct {
|
|
name string
|
|
pvc *v1.PersistentVolumeClaim
|
|
pv *v1.PersistentVolume
|
|
|
|
// desired size, defaults to pv.Spec.Capacity
|
|
desiredSize *resource.Quantity
|
|
// actualSize, defaults to pvc.Status.Capacity
|
|
actualSize *resource.Quantity
|
|
|
|
// expectations of test
|
|
expectedResizeStatus v1.PersistentVolumeClaimResizeStatus
|
|
expectedStatusSize resource.Quantity
|
|
resizeCallCount int
|
|
expectError bool
|
|
}{
|
|
{
|
|
name: "pv.spec.cap > pvc.status.cap, resizeStatus=node_expansion_failed",
|
|
pvc: getTestPVC("test-vol0", "2G", "1G", "", v1.PersistentVolumeClaimNodeExpansionFailed),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionFailed,
|
|
resizeCallCount: 0,
|
|
expectedStatusSize: resource.MustParse("1G"),
|
|
},
|
|
{
|
|
name: "pv.spec.cap > pvc.status.cap, resizeStatus=node_expansion_pending",
|
|
pvc: getTestPVC("test-vol0", "2G", "1G", "2G", v1.PersistentVolumeClaimNodeExpansionPending),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNoExpansionInProgress,
|
|
resizeCallCount: 1,
|
|
expectedStatusSize: resource.MustParse("2G"),
|
|
},
|
|
{
|
|
name: "pv.spec.cap > pvc.status.cap, resizeStatus=node_expansion_pending, reize_op=failing",
|
|
pvc: getTestPVC(volumetesting.AlwaysFailNodeExpansion, "2G", "1G", "2G", v1.PersistentVolumeClaimNodeExpansionPending),
|
|
pv: getTestPV(volumetesting.AlwaysFailNodeExpansion, "2G"),
|
|
expectError: true,
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionFailed,
|
|
resizeCallCount: 1,
|
|
expectedStatusSize: resource.MustParse("1G"),
|
|
},
|
|
{
|
|
name: "pv.spec.cap = pvc.status.cap, resizeStatus='', desiredSize = actualSize",
|
|
pvc: getTestPVC("test-vol0", "2G", "2G", "2G", v1.PersistentVolumeClaimNoExpansionInProgress),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNoExpansionInProgress,
|
|
resizeCallCount: 0,
|
|
expectedStatusSize: resource.MustParse("2G"),
|
|
},
|
|
{
|
|
name: "pv.spec.cap = pvc.status.cap, resizeStatus='', desiredSize > actualSize",
|
|
pvc: getTestPVC("test-vol0", "2G", "2G", "2G", v1.PersistentVolumeClaimNoExpansionInProgress),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
desiredSize: getSizeFunc("2G"),
|
|
actualSize: getSizeFunc("1G"),
|
|
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNoExpansionInProgress,
|
|
resizeCallCount: 1,
|
|
expectedStatusSize: resource.MustParse("2G"),
|
|
},
|
|
{
|
|
name: "pv.spec.cap = pvc.status.cap, resizeStatus=node-expansion-failed, desiredSize > actualSize",
|
|
pvc: getTestPVC("test-vol0", "2G", "2G", "2G", v1.PersistentVolumeClaimNodeExpansionFailed),
|
|
pv: getTestPV("test-vol0", "2G"),
|
|
desiredSize: getSizeFunc("2G"),
|
|
actualSize: getSizeFunc("1G"),
|
|
|
|
expectedResizeStatus: v1.PersistentVolumeClaimNodeExpansionFailed,
|
|
resizeCallCount: 0,
|
|
expectedStatusSize: resource.MustParse("2G"),
|
|
},
|
|
}
|
|
for i := range tests {
|
|
test := tests[i]
|
|
t.Run(test.name, func(t *testing.T) {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.RecoverVolumeExpansionFailure, true)()
|
|
volumePluginMgr, fakePlugin := volumetesting.GetTestKubeletVolumePluginMgr(t)
|
|
test.pv.Spec.ClaimRef = &v1.ObjectReference{
|
|
Namespace: test.pvc.Namespace,
|
|
Name: test.pvc.Name,
|
|
}
|
|
|
|
pvc := test.pvc
|
|
pv := test.pv
|
|
pod := getTestPod("test-pod", pvc.Name)
|
|
og := getTestOperatorGeneratorWithPVPVC(volumePluginMgr, pvc, pv)
|
|
vmt := VolumeToMount{
|
|
Pod: pod,
|
|
VolumeName: v1.UniqueVolumeName(pv.Name),
|
|
VolumeSpec: volume.NewSpecFromPersistentVolume(pv, false),
|
|
}
|
|
desiredSize := test.desiredSize
|
|
if desiredSize == nil {
|
|
desiredSize = pv.Spec.Capacity.Storage()
|
|
}
|
|
actualSize := test.actualSize
|
|
if actualSize == nil {
|
|
actualSize = pvc.Status.Capacity.Storage()
|
|
}
|
|
pluginResizeOpts := volume.NodeResizeOptions{
|
|
VolumeSpec: vmt.VolumeSpec,
|
|
NewSize: *desiredSize,
|
|
OldSize: *actualSize,
|
|
}
|
|
|
|
ogInstance, _ := og.(*operationGenerator)
|
|
_, err := ogInstance.nodeExpandVolume(vmt, nil, pluginResizeOpts)
|
|
|
|
if !test.expectError && err != nil {
|
|
t.Errorf("For test %s, expected no error got: %v", test.name, err)
|
|
}
|
|
if test.expectError && err == nil {
|
|
t.Errorf("For test %s, expected error but got none", test.name)
|
|
}
|
|
if test.resizeCallCount != fakePlugin.NodeExpandCallCount {
|
|
t.Errorf("for test %s, expected node-expand call count to be %d, got %d", test.name, test.resizeCallCount, fakePlugin.NodeExpandCallCount)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func getTestPod(podName, pvcName string) *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
UID: "test-pod-uid",
|
|
Namespace: "ns",
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: pvcName,
|
|
VolumeSource: v1.VolumeSource{
|
|
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
|
|
ClaimName: pvcName,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func getTestPVC(volumeName string, specSize, statusSize, allocatedSize string, resizeStatus v1.PersistentVolumeClaimResizeStatus) *v1.PersistentVolumeClaim {
|
|
pvc := &v1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "claim01",
|
|
Namespace: "ns",
|
|
UID: "test-uid",
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
AccessModes: []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce},
|
|
Resources: v1.ResourceRequirements{Requests: v1.ResourceList{v1.ResourceStorage: resource.MustParse(specSize)}},
|
|
VolumeName: volumeName,
|
|
},
|
|
Status: v1.PersistentVolumeClaimStatus{
|
|
Phase: v1.ClaimBound,
|
|
},
|
|
}
|
|
if len(statusSize) > 0 {
|
|
pvc.Status.Capacity = v1.ResourceList{v1.ResourceStorage: resource.MustParse(statusSize)}
|
|
}
|
|
if len(allocatedSize) > 0 {
|
|
pvc.Status.AllocatedResources = v1.ResourceList{v1.ResourceStorage: resource.MustParse(allocatedSize)}
|
|
}
|
|
pvc.Status.ResizeStatus = &resizeStatus
|
|
return pvc
|
|
}
|
|
|
|
func getTestPV(volumeName string, specSize string) *v1.PersistentVolume {
|
|
return &v1.PersistentVolume{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: volumeName,
|
|
UID: "test-uid",
|
|
},
|
|
Spec: v1.PersistentVolumeSpec{
|
|
AccessModes: []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce},
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceStorage: resource.MustParse(specSize),
|
|
},
|
|
},
|
|
Status: v1.PersistentVolumeStatus{
|
|
Phase: v1.VolumeBound,
|
|
},
|
|
}
|
|
}
|
|
|
|
func findMetricWithNameAndLabels(metricFamilyName string, labelFilter map[string]string) *io_prometheus_client.Metric {
|
|
metricFamily := getMetricFamily(metricFamilyName)
|
|
if metricFamily == nil {
|
|
return nil
|
|
}
|
|
|
|
for _, metric := range metricFamily.GetMetric() {
|
|
if isLabelsMatchWithMetric(labelFilter, metric) {
|
|
return metric
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func isLabelsMatchWithMetric(labelFilter map[string]string, metric *io_prometheus_client.Metric) bool {
|
|
if len(labelFilter) != len(metric.Label) {
|
|
return false
|
|
}
|
|
for labelName, labelValue := range labelFilter {
|
|
labelFound := false
|
|
for _, labelPair := range metric.Label {
|
|
if labelName == *labelPair.Name && labelValue == *labelPair.Value {
|
|
labelFound = true
|
|
break
|
|
}
|
|
}
|
|
if !labelFound {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
func getTestOperationGenerator(volumePluginMgr *volume.VolumePluginMgr, objects ...runtime.Object) OperationGenerator {
|
|
fakeKubeClient := fakeclient.NewSimpleClientset(objects...)
|
|
fakeRecorder := &record.FakeRecorder{}
|
|
fakeHandler := volumetesting.NewBlockVolumePathHandler()
|
|
operationGenerator := NewOperationGenerator(
|
|
fakeKubeClient,
|
|
volumePluginMgr,
|
|
fakeRecorder,
|
|
fakeHandler)
|
|
return operationGenerator
|
|
}
|
|
|
|
func getTestOperatorGeneratorWithPVPVC(volumePluginMgr *volume.VolumePluginMgr, pvc *v1.PersistentVolumeClaim, pv *v1.PersistentVolume) OperationGenerator {
|
|
fakeKubeClient := fakeclient.NewSimpleClientset(pvc, pv)
|
|
fakeKubeClient.AddReactor("get", "persistentvolumeclaims", func(action core.Action) (bool, runtime.Object, error) {
|
|
return true, pvc, nil
|
|
})
|
|
fakeKubeClient.AddReactor("get", "persistentvolumes", func(action core.Action) (bool, runtime.Object, error) {
|
|
return true, pv, nil
|
|
})
|
|
fakeKubeClient.AddReactor("patch", "persistentvolumeclaims", func(action core.Action) (bool, runtime.Object, error) {
|
|
if action.GetSubresource() == "status" {
|
|
return true, pvc, nil
|
|
}
|
|
return true, nil, fmt.Errorf("no reaction implemented for %s", action)
|
|
})
|
|
|
|
fakeRecorder := &record.FakeRecorder{}
|
|
fakeHandler := volumetesting.NewBlockVolumePathHandler()
|
|
operationGenerator := NewOperationGenerator(
|
|
fakeKubeClient,
|
|
volumePluginMgr,
|
|
fakeRecorder,
|
|
fakeHandler)
|
|
return operationGenerator
|
|
}
|
|
|
|
func getTestVolumeToUnmount(pod *v1.Pod, pvSpec v1.PersistentVolumeSpec, pluginName string) MountedVolume {
|
|
volumeSpec := &volume.Spec{
|
|
PersistentVolume: &v1.PersistentVolume{
|
|
Spec: pvSpec,
|
|
},
|
|
}
|
|
volumeToUnmount := MountedVolume{
|
|
VolumeName: v1.UniqueVolumeName("pd-volume"),
|
|
PodUID: pod.UID,
|
|
PluginName: pluginName,
|
|
VolumeSpec: volumeSpec,
|
|
}
|
|
return volumeToUnmount
|
|
}
|
|
|
|
func getMetricFamily(metricFamilyName string) *io_prometheus_client.MetricFamily {
|
|
metricFamilies, _ := legacyregistry.DefaultGatherer.Gather()
|
|
for _, mf := range metricFamilies {
|
|
if *mf.Name == metricFamilyName {
|
|
return mf
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func initTestPlugins(t *testing.T, plugs []volume.VolumePlugin, pluginName string) (*volume.VolumePluginMgr, string) {
|
|
client := fakeclient.NewSimpleClientset()
|
|
pluginMgr, _, tmpDir := csitesting.NewTestPlugin(t, client)
|
|
|
|
err := pluginMgr.InitPlugins(plugs, nil, pluginMgr.Host)
|
|
if err != nil {
|
|
t.Fatalf("Can't init volume plugins: %v", err)
|
|
}
|
|
|
|
_, e := pluginMgr.FindPluginByName(pluginName)
|
|
if e != nil {
|
|
t.Fatalf("Can't find the plugin by name: %s", pluginName)
|
|
}
|
|
|
|
return pluginMgr, tmpDir
|
|
}
|