mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
644 lines
26 KiB
Go
644 lines
26 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 persistentvolume
|
|
|
|
import (
|
|
"errors"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
storagev1 "k8s.io/api/storage/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/apimachinery/pkg/watch"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
"k8s.io/client-go/informers"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
storagelisters "k8s.io/client-go/listers/storage/v1"
|
|
core "k8s.io/client-go/testing"
|
|
"k8s.io/client-go/tools/cache"
|
|
"k8s.io/component-base/featuregate"
|
|
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
|
csitrans "k8s.io/csi-translation-lib"
|
|
"k8s.io/klog/v2"
|
|
"k8s.io/kubernetes/pkg/controller"
|
|
pvtesting "k8s.io/kubernetes/pkg/controller/volume/persistentvolume/testing"
|
|
pvutil "k8s.io/kubernetes/pkg/controller/volume/persistentvolume/util"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
"k8s.io/kubernetes/pkg/volume/csimigration"
|
|
"k8s.io/kubernetes/pkg/volume/util"
|
|
)
|
|
|
|
var (
|
|
classNotHere = "not-here"
|
|
classNoMode = "no-mode"
|
|
classImmediateMode = "immediate-mode"
|
|
classWaitMode = "wait-mode"
|
|
)
|
|
|
|
// Test the real controller methods (add/update/delete claim/volume) with
|
|
// a fake API server.
|
|
// There is no controller API to 'initiate syncAll now', therefore these tests
|
|
// can't reliably simulate periodic sync of volumes/claims - it would be
|
|
// either very timing-sensitive or slow to wait for real periodic sync.
|
|
func TestControllerSync(t *testing.T) {
|
|
tests := []controllerTest{
|
|
// [Unit test set 5] - controller tests.
|
|
// We test the controller as if
|
|
// it was connected to real API server, i.e. we call add/update/delete
|
|
// Claim/Volume methods. Also, all changes to volumes and claims are
|
|
// sent to add/update/delete Claim/Volume as real controller would do.
|
|
{
|
|
// addClaim gets a new claim. Check it's bound to a volume.
|
|
"5-2 - complete bind",
|
|
newVolumeArray("volume5-2", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRetain, classEmpty),
|
|
newVolumeArray("volume5-2", "1Gi", "uid5-2", "claim5-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController),
|
|
noclaims, /* added in testAddClaim5_2 */
|
|
newClaimArray("claim5-2", "uid5-2", "1Gi", "volume5-2", v1.ClaimBound, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted),
|
|
noevents, noerrors,
|
|
// Custom test function that generates an add event
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
claim := newClaim("claim5-2", "uid5-2", "1Gi", "", v1.ClaimPending, nil)
|
|
reactor.AddClaimEvent(claim)
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
"5-2-2 - complete bind when PV and PVC both exist",
|
|
newVolumeArray("volume5-2", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRetain, classEmpty),
|
|
newVolumeArray("volume5-2", "1Gi", "uid5-2", "claim5-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController),
|
|
newClaimArray("claim5-2", "uid5-2", "1Gi", "", v1.ClaimPending, nil),
|
|
newClaimArray("claim5-2", "uid5-2", "1Gi", "volume5-2", v1.ClaimBound, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted),
|
|
noevents, noerrors,
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
"5-2-3 - complete bind when PV and PVC both exist and PV has AnnPreResizeCapacity annotation",
|
|
volumesWithAnnotation(util.AnnPreResizeCapacity, "1Gi", newVolumeArray("volume5-2", "2Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController)),
|
|
volumesWithAnnotation(util.AnnPreResizeCapacity, "1Gi", newVolumeArray("volume5-2", "2Gi", "uid5-2", "claim5-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController)),
|
|
withExpectedCapacity("2Gi", newClaimArray("claim5-2", "uid5-2", "2Gi", "", v1.ClaimPending, nil)),
|
|
withExpectedCapacity("1Gi", newClaimArray("claim5-2", "uid5-2", "2Gi", "volume5-2", v1.ClaimBound, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted)),
|
|
noevents, noerrors,
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// deleteClaim with a bound claim makes bound volume released.
|
|
"5-3 - delete claim",
|
|
newVolumeArray("volume5-3", "10Gi", "uid5-3", "claim5-3", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController),
|
|
newVolumeArray("volume5-3", "10Gi", "uid5-3", "claim5-3", v1.VolumeReleased, v1.PersistentVolumeReclaimRetain, classEmpty, pvutil.AnnBoundByController),
|
|
newClaimArray("claim5-3", "uid5-3", "1Gi", "volume5-3", v1.ClaimBound, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted),
|
|
noclaims,
|
|
noevents, noerrors,
|
|
// Custom test function that generates a delete event
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
obj := ctrl.claims.List()[0]
|
|
claim := obj.(*v1.PersistentVolumeClaim)
|
|
reactor.DeleteClaimEvent(claim)
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// deleteVolume with a bound volume. Check the claim is Lost.
|
|
"5-4 - delete volume",
|
|
newVolumeArray("volume5-4", "1Gi", "uid5-4", "claim5-4", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty),
|
|
novolumes,
|
|
newClaimArray("claim5-4", "uid5-4", "1Gi", "volume5-4", v1.ClaimBound, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted),
|
|
newClaimArray("claim5-4", "uid5-4", "1Gi", "volume5-4", v1.ClaimLost, nil, pvutil.AnnBoundByController, pvutil.AnnBindCompleted),
|
|
[]string{"Warning ClaimLost"}, noerrors,
|
|
// Custom test function that generates a delete event
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
obj := ctrl.volumes.store.List()[0]
|
|
volume := obj.(*v1.PersistentVolume)
|
|
reactor.DeleteVolumeEvent(volume)
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// deleteClaim with a bound claim makes bound volume released with external deleter.
|
|
// delete the corresponding volume from apiserver, and report latency metric
|
|
"5-5 - delete claim and delete volume report metric",
|
|
volumesWithAnnotation(pvutil.AnnDynamicallyProvisioned, "gcr.io/vendor-csi",
|
|
newVolumeArray("volume5-6", "10Gi", "uid5-6", "claim5-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, classExternal, pvutil.AnnBoundByController)),
|
|
novolumes,
|
|
claimWithAnnotation(pvutil.AnnStorageProvisioner, "gcr.io/vendor-csi",
|
|
newClaimArray("claim5-5", "uid5-5", "1Gi", "volume5-5", v1.ClaimBound, &classExternal, pvutil.AnnBoundByController, pvutil.AnnBindCompleted)),
|
|
noclaims,
|
|
noevents, noerrors,
|
|
// Custom test function that generates a delete claim event which should have been caught by
|
|
// "deleteClaim" to remove the claim from controller's cache, after that, a volume deleted
|
|
// event will be generated to trigger "deleteVolume" call for metric reporting
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
test.initialVolumes[0].Annotations[pvutil.AnnDynamicallyProvisioned] = "gcr.io/vendor-csi"
|
|
obj := ctrl.claims.List()[0]
|
|
claim := obj.(*v1.PersistentVolumeClaim)
|
|
reactor.DeleteClaimEvent(claim)
|
|
err := wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.claims.ListKeys()) == 0, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// claim has been removed from controller's cache, generate a volume deleted event
|
|
volume := ctrl.volumes.store.List()[0].(*v1.PersistentVolume)
|
|
reactor.DeleteVolumeEvent(volume)
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// deleteClaim with a bound claim makes bound volume released with external deleter pending
|
|
// there should be an entry in operation timestamps cache in controller
|
|
"5-6 - delete claim and waiting for external volume deletion",
|
|
volumesWithAnnotation(pvutil.AnnDynamicallyProvisioned, "gcr.io/vendor-csi",
|
|
newVolumeArray("volume5-6", "10Gi", "uid5-6", "claim5-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, classExternal, pvutil.AnnBoundByController)),
|
|
volumesWithAnnotation(pvutil.AnnDynamicallyProvisioned, "gcr.io/vendor-csi",
|
|
newVolumeArray("volume5-6", "10Gi", "uid5-6", "claim5-6", v1.VolumeReleased, v1.PersistentVolumeReclaimDelete, classExternal, pvutil.AnnBoundByController)),
|
|
claimWithAnnotation(pvutil.AnnStorageProvisioner, "gcr.io/vendor-csi",
|
|
newClaimArray("claim5-6", "uid5-6", "1Gi", "volume5-6", v1.ClaimBound, &classExternal, pvutil.AnnBoundByController, pvutil.AnnBindCompleted)),
|
|
noclaims,
|
|
noevents, noerrors,
|
|
// Custom test function that generates a delete claim event which should have been caught by
|
|
// "deleteClaim" to remove the claim from controller's cache and mark bound volume to be released
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
// should have been provisioned by external provisioner
|
|
obj := ctrl.claims.List()[0]
|
|
claim := obj.(*v1.PersistentVolumeClaim)
|
|
reactor.DeleteClaimEvent(claim)
|
|
// wait until claim is cleared from cache, i.e., deleteClaim is called
|
|
err := wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.claims.ListKeys()) == 0, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// wait for volume delete operation to appear once volumeWorker() runs
|
|
return wait.PollImmediate(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
// make sure the operation timestamp cache is NOT empty
|
|
if ctrl.operationTimestamps.Has("volume5-6") {
|
|
return true, nil
|
|
}
|
|
t.Logf("missing volume5-6 from timestamp cache, will retry")
|
|
return false, nil
|
|
})
|
|
},
|
|
},
|
|
{
|
|
// deleteVolume event issued before deleteClaim, no metric should have been reported
|
|
// and no delete operation start timestamp should be inserted into controller.operationTimestamps cache
|
|
"5-7 - delete volume event makes claim lost, delete claim event will not report metric",
|
|
newVolumeArray("volume5-7", "10Gi", "uid5-7", "claim5-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, classExternal, pvutil.AnnBoundByController, pvutil.AnnDynamicallyProvisioned),
|
|
novolumes,
|
|
claimWithAnnotation(pvutil.AnnStorageProvisioner, "gcr.io/vendor-csi",
|
|
newClaimArray("claim5-7", "uid5-7", "1Gi", "volume5-7", v1.ClaimBound, &classExternal, pvutil.AnnBoundByController, pvutil.AnnBindCompleted)),
|
|
noclaims,
|
|
[]string{"Warning ClaimLost"},
|
|
noerrors,
|
|
// Custom test function that generates a delete claim event which should have been caught by
|
|
// "deleteClaim" to remove the claim from controller's cache and mark bound volume to be released
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
volume := ctrl.volumes.store.List()[0].(*v1.PersistentVolume)
|
|
reactor.DeleteVolumeEvent(volume)
|
|
err := wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.volumes.store.ListKeys()) == 0, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// trying to remove the claim as well
|
|
obj := ctrl.claims.List()[0]
|
|
claim := obj.(*v1.PersistentVolumeClaim)
|
|
reactor.DeleteClaimEvent(claim)
|
|
// wait until claim is cleared from cache, i.e., deleteClaim is called
|
|
err = wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.claims.ListKeys()) == 0, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// make sure operation timestamp cache is empty
|
|
if ctrl.operationTimestamps.Has("volume5-7") {
|
|
return errors.New("failed checking timestamp cache")
|
|
}
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// delete a claim waiting for being bound cleans up provision(volume ref == "") entry from timestamp cache
|
|
"5-8 - delete claim cleans up operation timestamp cache for provision",
|
|
novolumes,
|
|
novolumes,
|
|
claimWithAnnotation(pvutil.AnnStorageProvisioner, "gcr.io/vendor-csi",
|
|
newClaimArray("claim5-8", "uid5-8", "1Gi", "", v1.ClaimPending, &classExternal)),
|
|
noclaims,
|
|
[]string{"Normal ExternalProvisioning"},
|
|
noerrors,
|
|
// Custom test function that generates a delete claim event which should have been caught by
|
|
// "deleteClaim" to remove the claim from controller's cache and mark bound volume to be released
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
// wait until the provision timestamp has been inserted
|
|
err := wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return ctrl.operationTimestamps.Has("default/claim5-8"), nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// delete the claim
|
|
obj := ctrl.claims.List()[0]
|
|
claim := obj.(*v1.PersistentVolumeClaim)
|
|
reactor.DeleteClaimEvent(claim)
|
|
// wait until claim is cleared from cache, i.e., deleteClaim is called
|
|
err = wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.claims.ListKeys()) == 0, nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// make sure operation timestamp cache is empty
|
|
if ctrl.operationTimestamps.Has("default/claim5-8") {
|
|
return errors.New("failed checking timestamp cache")
|
|
}
|
|
return nil
|
|
},
|
|
},
|
|
{
|
|
// delete success(?) - volume has deletion timestamp before doDelete() starts
|
|
"8-13 - volume is has deletion timestamp and is not processed",
|
|
withVolumeDeletionTimestamp(newVolumeArray("volume8-13", "1Gi", "uid8-13", "claim8-13", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, classEmpty)),
|
|
withVolumeDeletionTimestamp(newVolumeArray("volume8-13", "1Gi", "uid8-13", "claim8-13", v1.VolumeReleased, v1.PersistentVolumeReclaimDelete, classEmpty)),
|
|
noclaims,
|
|
noclaims,
|
|
noevents, noerrors,
|
|
// We don't need to do anything in test function because deletion will be noticed automatically and synced.
|
|
// Attempting to use testSyncVolume here will cause an error because of race condition between manually
|
|
// calling testSyncVolume and volume loop running.
|
|
func(ctrl *PersistentVolumeController, reactor *pvtesting.VolumeReactor, test controllerTest) error {
|
|
return nil
|
|
},
|
|
},
|
|
}
|
|
|
|
doit := func(test controllerTest) {
|
|
// Initialize the controller
|
|
client := &fake.Clientset{}
|
|
|
|
fakeVolumeWatch := watch.NewFake()
|
|
client.PrependWatchReactor("persistentvolumes", core.DefaultWatchReactor(fakeVolumeWatch, nil))
|
|
fakeClaimWatch := watch.NewFake()
|
|
client.PrependWatchReactor("persistentvolumeclaims", core.DefaultWatchReactor(fakeClaimWatch, nil))
|
|
client.PrependWatchReactor("storageclasses", core.DefaultWatchReactor(watch.NewFake(), nil))
|
|
|
|
informers := informers.NewSharedInformerFactory(client, controller.NoResyncPeriodFunc())
|
|
ctrl, err := newTestController(client, informers, true)
|
|
if err != nil {
|
|
t.Fatalf("Test %q construct persistent volume failed: %v", test.name, err)
|
|
}
|
|
|
|
// Inject storage classes into controller via a custom lister for test [5-5]
|
|
storageClasses := []*storagev1.StorageClass{
|
|
makeStorageClass(classExternal, &modeImmediate),
|
|
}
|
|
|
|
storageClasses[0].Provisioner = "gcr.io/vendor-csi"
|
|
indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
|
|
for _, class := range storageClasses {
|
|
indexer.Add(class)
|
|
}
|
|
ctrl.classLister = storagelisters.NewStorageClassLister(indexer)
|
|
|
|
reactor := newVolumeReactor(client, ctrl, fakeVolumeWatch, fakeClaimWatch, test.errors)
|
|
for _, claim := range test.initialClaims {
|
|
claim = claim.DeepCopy()
|
|
reactor.AddClaim(claim)
|
|
go func(claim *v1.PersistentVolumeClaim) {
|
|
fakeClaimWatch.Add(claim)
|
|
}(claim)
|
|
}
|
|
for _, volume := range test.initialVolumes {
|
|
volume = volume.DeepCopy()
|
|
reactor.AddVolume(volume)
|
|
go func(volume *v1.PersistentVolume) {
|
|
fakeVolumeWatch.Add(volume)
|
|
}(volume)
|
|
}
|
|
|
|
// Start the controller
|
|
stopCh := make(chan struct{})
|
|
informers.Start(stopCh)
|
|
informers.WaitForCacheSync(stopCh)
|
|
go ctrl.Run(stopCh)
|
|
|
|
// Wait for the controller to pass initial sync and fill its caches.
|
|
err = wait.Poll(10*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) {
|
|
return len(ctrl.claims.ListKeys()) >= len(test.initialClaims) &&
|
|
len(ctrl.volumes.store.ListKeys()) >= len(test.initialVolumes), nil
|
|
})
|
|
if err != nil {
|
|
t.Errorf("Test %q controller sync failed: %v", test.name, err)
|
|
}
|
|
klog.V(4).Infof("controller synced, starting test")
|
|
|
|
// Call the tested function
|
|
err = test.test(ctrl, reactor.VolumeReactor, test)
|
|
if err != nil {
|
|
t.Errorf("Test %q initial test call failed: %v", test.name, err)
|
|
}
|
|
// Simulate a periodic resync, just in case some events arrived in a
|
|
// wrong order.
|
|
ctrl.resync()
|
|
|
|
err = reactor.waitTest(test)
|
|
if err != nil {
|
|
t.Errorf("Failed to run test %s: %v", test.name, err)
|
|
}
|
|
close(stopCh)
|
|
|
|
evaluateTestResults(ctrl, reactor.VolumeReactor, test, t)
|
|
}
|
|
|
|
for _, test := range tests {
|
|
test := test
|
|
t.Run(test.name, func(t *testing.T) {
|
|
doit(test)
|
|
})
|
|
}
|
|
}
|
|
|
|
func storeVersion(t *testing.T, prefix string, c cache.Store, version string, expectedReturn bool) {
|
|
pv := newVolume("pvName", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimDelete, classEmpty)
|
|
pv.ResourceVersion = version
|
|
ret, err := storeObjectUpdate(c, pv, "volume")
|
|
if err != nil {
|
|
t.Errorf("%s: expected storeObjectUpdate to succeed, got: %v", prefix, err)
|
|
}
|
|
if expectedReturn != ret {
|
|
t.Errorf("%s: expected storeObjectUpdate to return %v, got: %v", prefix, expectedReturn, ret)
|
|
}
|
|
|
|
// find the stored version
|
|
|
|
pvObj, found, err := c.GetByKey("pvName")
|
|
if err != nil {
|
|
t.Errorf("expected volume 'pvName' in the cache, got error instead: %v", err)
|
|
}
|
|
if !found {
|
|
t.Errorf("expected volume 'pvName' in the cache but it was not found")
|
|
}
|
|
pv, ok := pvObj.(*v1.PersistentVolume)
|
|
if !ok {
|
|
t.Errorf("expected volume in the cache, got different object instead: %#v", pvObj)
|
|
}
|
|
|
|
if ret {
|
|
if pv.ResourceVersion != version {
|
|
t.Errorf("expected volume with version %s in the cache, got %s instead", version, pv.ResourceVersion)
|
|
}
|
|
} else {
|
|
if pv.ResourceVersion == version {
|
|
t.Errorf("expected volume with version other than %s in the cache, got %s instead", version, pv.ResourceVersion)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestControllerCache tests func storeObjectUpdate()
|
|
func TestControllerCache(t *testing.T) {
|
|
// Cache under test
|
|
c := cache.NewStore(cache.DeletionHandlingMetaNamespaceKeyFunc)
|
|
|
|
// Store new PV
|
|
storeVersion(t, "Step1", c, "1", true)
|
|
// Store the same PV
|
|
storeVersion(t, "Step2", c, "1", true)
|
|
// Store newer PV
|
|
storeVersion(t, "Step3", c, "2", true)
|
|
// Store older PV - simulating old "PV updated" event or periodic sync with
|
|
// old data
|
|
storeVersion(t, "Step4", c, "1", false)
|
|
// Store newer PV - test integer parsing ("2" > "10" as string,
|
|
// while 2 < 10 as integers)
|
|
storeVersion(t, "Step5", c, "10", true)
|
|
}
|
|
|
|
func TestControllerCacheParsingError(t *testing.T) {
|
|
c := cache.NewStore(cache.DeletionHandlingMetaNamespaceKeyFunc)
|
|
// There must be something in the cache to compare with
|
|
storeVersion(t, "Step1", c, "1", true)
|
|
|
|
pv := newVolume("pvName", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimDelete, classEmpty)
|
|
pv.ResourceVersion = "xxx"
|
|
_, err := storeObjectUpdate(c, pv, "volume")
|
|
if err == nil {
|
|
t.Errorf("Expected parsing error, got nil instead")
|
|
}
|
|
}
|
|
|
|
func makePVCClass(scName *string) *v1.PersistentVolumeClaim {
|
|
claim := &v1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Annotations: map[string]string{},
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
StorageClassName: scName,
|
|
},
|
|
}
|
|
|
|
return claim
|
|
}
|
|
|
|
func makeStorageClass(scName string, mode *storagev1.VolumeBindingMode) *storagev1.StorageClass {
|
|
return &storagev1.StorageClass{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: scName,
|
|
},
|
|
VolumeBindingMode: mode,
|
|
}
|
|
}
|
|
|
|
func TestDelayBindingMode(t *testing.T) {
|
|
tests := map[string]struct {
|
|
pvc *v1.PersistentVolumeClaim
|
|
shouldDelay bool
|
|
shouldFail bool
|
|
}{
|
|
"nil-class": {
|
|
pvc: makePVCClass(nil),
|
|
shouldDelay: false,
|
|
},
|
|
"class-not-found": {
|
|
pvc: makePVCClass(&classNotHere),
|
|
shouldDelay: false,
|
|
},
|
|
"no-mode-class": {
|
|
pvc: makePVCClass(&classNoMode),
|
|
shouldDelay: false,
|
|
shouldFail: true,
|
|
},
|
|
"immediate-mode-class": {
|
|
pvc: makePVCClass(&classImmediateMode),
|
|
shouldDelay: false,
|
|
},
|
|
"wait-mode-class": {
|
|
pvc: makePVCClass(&classWaitMode),
|
|
shouldDelay: true,
|
|
},
|
|
}
|
|
|
|
classes := []*storagev1.StorageClass{
|
|
makeStorageClass(classNoMode, nil),
|
|
makeStorageClass(classImmediateMode, &modeImmediate),
|
|
makeStorageClass(classWaitMode, &modeWait),
|
|
}
|
|
|
|
client := &fake.Clientset{}
|
|
informerFactory := informers.NewSharedInformerFactory(client, controller.NoResyncPeriodFunc())
|
|
classInformer := informerFactory.Storage().V1().StorageClasses()
|
|
ctrl := &PersistentVolumeController{
|
|
classLister: classInformer.Lister(),
|
|
translator: csitrans.New(),
|
|
}
|
|
|
|
for _, class := range classes {
|
|
if err := classInformer.Informer().GetIndexer().Add(class); err != nil {
|
|
t.Fatalf("Failed to add storage class %q: %v", class.Name, err)
|
|
}
|
|
}
|
|
|
|
for name, test := range tests {
|
|
shouldDelay, err := pvutil.IsDelayBindingMode(test.pvc, ctrl.classLister)
|
|
if err != nil && !test.shouldFail {
|
|
t.Errorf("Test %q returned error: %v", name, err)
|
|
}
|
|
if err == nil && test.shouldFail {
|
|
t.Errorf("Test %q returned success, expected error", name)
|
|
}
|
|
if shouldDelay != test.shouldDelay {
|
|
t.Errorf("Test %q returned unexpected %v", name, test.shouldDelay)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAnnealMigrationAnnotations(t *testing.T) {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIMigration, true)()
|
|
|
|
const testPlugin = "non-migrated-plugin"
|
|
const gcePlugin = "kubernetes.io/gce-pd"
|
|
const gceDriver = "pd.csi.storage.gke.io"
|
|
tests := []struct {
|
|
name string
|
|
volumeAnnotations map[string]string
|
|
expVolumeAnnotations map[string]string
|
|
claimAnnotations map[string]string
|
|
expClaimAnnotations map[string]string
|
|
migratedDriverGates []featuregate.Feature
|
|
}{
|
|
{
|
|
name: "migration on for GCE",
|
|
volumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin},
|
|
expVolumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin, pvutil.AnnMigratedTo: gceDriver},
|
|
claimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin},
|
|
expClaimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin, pvutil.AnnMigratedTo: gceDriver},
|
|
migratedDriverGates: []featuregate.Feature{features.CSIMigrationGCE},
|
|
},
|
|
{
|
|
name: "migration off for GCE",
|
|
volumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin},
|
|
expVolumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin},
|
|
claimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin},
|
|
expClaimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin},
|
|
migratedDriverGates: []featuregate.Feature{},
|
|
},
|
|
{
|
|
name: "migration off for GCE removes migrated to (rollback)",
|
|
volumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin, pvutil.AnnMigratedTo: gceDriver},
|
|
expVolumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: gcePlugin},
|
|
claimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin, pvutil.AnnMigratedTo: gceDriver},
|
|
expClaimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: gcePlugin},
|
|
migratedDriverGates: []featuregate.Feature{},
|
|
},
|
|
{
|
|
name: "migration on for GCE other plugin not affected",
|
|
volumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: testPlugin},
|
|
expVolumeAnnotations: map[string]string{pvutil.AnnDynamicallyProvisioned: testPlugin},
|
|
claimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: testPlugin},
|
|
expClaimAnnotations: map[string]string{pvutil.AnnStorageProvisioner: testPlugin},
|
|
migratedDriverGates: []featuregate.Feature{features.CSIMigrationGCE},
|
|
},
|
|
{
|
|
name: "not dynamically provisioned migration off for GCE",
|
|
volumeAnnotations: map[string]string{},
|
|
expVolumeAnnotations: map[string]string{},
|
|
claimAnnotations: map[string]string{},
|
|
expClaimAnnotations: map[string]string{},
|
|
migratedDriverGates: []featuregate.Feature{},
|
|
},
|
|
{
|
|
name: "not dynamically provisioned migration on for GCE",
|
|
volumeAnnotations: map[string]string{},
|
|
expVolumeAnnotations: map[string]string{},
|
|
claimAnnotations: map[string]string{},
|
|
expClaimAnnotations: map[string]string{},
|
|
migratedDriverGates: []featuregate.Feature{features.CSIMigrationGCE},
|
|
},
|
|
{
|
|
name: "nil annotations migration off for GCE",
|
|
volumeAnnotations: nil,
|
|
expVolumeAnnotations: nil,
|
|
claimAnnotations: nil,
|
|
expClaimAnnotations: nil,
|
|
migratedDriverGates: []featuregate.Feature{},
|
|
},
|
|
{
|
|
name: "nil annotations migration on for GCE",
|
|
volumeAnnotations: nil,
|
|
expVolumeAnnotations: nil,
|
|
claimAnnotations: nil,
|
|
expClaimAnnotations: nil,
|
|
migratedDriverGates: []featuregate.Feature{features.CSIMigrationGCE},
|
|
},
|
|
}
|
|
|
|
translator := csitrans.New()
|
|
cmpm := csimigration.NewPluginManager(translator, utilfeature.DefaultFeatureGate)
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
for _, f := range tc.migratedDriverGates {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, f, true)()
|
|
}
|
|
if tc.volumeAnnotations != nil {
|
|
ann := tc.volumeAnnotations
|
|
updateMigrationAnnotations(cmpm, translator, ann, pvutil.AnnDynamicallyProvisioned)
|
|
if !reflect.DeepEqual(tc.expVolumeAnnotations, ann) {
|
|
t.Errorf("got volume annoations: %v, but expected: %v", ann, tc.expVolumeAnnotations)
|
|
}
|
|
}
|
|
if tc.claimAnnotations != nil {
|
|
ann := tc.claimAnnotations
|
|
updateMigrationAnnotations(cmpm, translator, ann, pvutil.AnnStorageProvisioner)
|
|
if !reflect.DeepEqual(tc.expClaimAnnotations, ann) {
|
|
t.Errorf("got volume annoations: %v, but expected: %v", ann, tc.expVolumeAnnotations)
|
|
}
|
|
}
|
|
|
|
})
|
|
}
|
|
}
|