mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-07 11:04:44 +00:00
6eb0b034ac
The scheduler doesn't really need to know in detail which reasons rendered a node unusable for a node. All it needs from the volume binder is a list of reasons that it then can present to the user. This seems a bit cleaner. But the main reason for the change is that it simplifies the checking of CSI inline volumes and perhaps later capacity checking. Both will lead to new failure reasons, which then can be added without changing the interface.
1972 lines
68 KiB
Go
1972 lines
68 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package scheduling
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"reflect"
|
|
"sort"
|
|
"testing"
|
|
"time"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
storagev1 "k8s.io/api/storage/v1"
|
|
"k8s.io/apimachinery/pkg/api/resource"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/util/diff"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/apimachinery/pkg/watch"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
"k8s.io/client-go/informers"
|
|
coreinformers "k8s.io/client-go/informers/core/v1"
|
|
storageinformers "k8s.io/client-go/informers/storage/v1"
|
|
clientset "k8s.io/client-go/kubernetes"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
k8stesting "k8s.io/client-go/testing"
|
|
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
|
"k8s.io/klog"
|
|
"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"
|
|
)
|
|
|
|
var (
|
|
// PVCs for manual binding
|
|
// TODO: clean up all of these
|
|
unboundPVC = makeTestPVC("unbound-pvc", "1G", "", pvcUnbound, "", "1", &waitClass)
|
|
unboundPVC2 = makeTestPVC("unbound-pvc2", "5G", "", pvcUnbound, "", "1", &waitClass)
|
|
preboundPVC = makeTestPVC("prebound-pvc", "1G", "", pvcPrebound, "pv-node1a", "1", &waitClass)
|
|
preboundPVCNode1a = makeTestPVC("unbound-pvc", "1G", "", pvcPrebound, "pv-node1a", "1", &waitClass)
|
|
boundPVC = makeTestPVC("bound-pvc", "1G", "", pvcBound, "pv-bound", "1", &waitClass)
|
|
boundPVCNode1a = makeTestPVC("unbound-pvc", "1G", "", pvcBound, "pv-node1a", "1", &waitClass)
|
|
immediateUnboundPVC = makeTestPVC("immediate-unbound-pvc", "1G", "", pvcUnbound, "", "1", &immediateClass)
|
|
immediateBoundPVC = makeTestPVC("immediate-bound-pvc", "1G", "", pvcBound, "pv-bound-immediate", "1", &immediateClass)
|
|
|
|
// PVCs for dynamic provisioning
|
|
provisionedPVC = makeTestPVC("provisioned-pvc", "1Gi", "", pvcUnbound, "", "1", &waitClassWithProvisioner)
|
|
provisionedPVC2 = makeTestPVC("provisioned-pvc2", "1Gi", "", pvcUnbound, "", "1", &waitClassWithProvisioner)
|
|
provisionedPVCHigherVersion = makeTestPVC("provisioned-pvc2", "1Gi", "", pvcUnbound, "", "2", &waitClassWithProvisioner)
|
|
provisionedPVCBound = makeTestPVC("provisioned-pvc", "1Gi", "", pvcBound, "pv-bound", "1", &waitClassWithProvisioner)
|
|
noProvisionerPVC = makeTestPVC("no-provisioner-pvc", "1Gi", "", pvcUnbound, "", "1", &waitClass)
|
|
topoMismatchPVC = makeTestPVC("topo-mismatch-pvc", "1Gi", "", pvcUnbound, "", "1", &topoMismatchClass)
|
|
|
|
selectedNodePVC = makeTestPVC("provisioned-pvc", "1Gi", nodeLabelValue, pvcSelectedNode, "", "1", &waitClassWithProvisioner)
|
|
|
|
// PVCs for CSI migration
|
|
boundMigrationPVC = makeTestPVC("pvc-migration-bound", "1G", "", pvcBound, "pv-migration-bound", "1", &waitClass)
|
|
provMigrationPVCBound = makeTestPVC("pvc-migration-provisioned", "1Gi", "", pvcBound, "pv-migration-bound", "1", &waitClassWithProvisioner)
|
|
|
|
// PVs for manual binding
|
|
pvNode1a = makeTestPV("pv-node1a", "node1", "5G", "1", nil, waitClass)
|
|
pvNode1b = makeTestPV("pv-node1b", "node1", "10G", "1", nil, waitClass)
|
|
pvNode1c = makeTestPV("pv-node1b", "node1", "5G", "1", nil, waitClass)
|
|
pvNode2 = makeTestPV("pv-node2", "node2", "1G", "1", nil, waitClass)
|
|
pvBound = makeTestPV("pv-bound", "node1", "1G", "1", boundPVC, waitClass)
|
|
pvNode1aBound = makeTestPV("pv-node1a", "node1", "5G", "1", unboundPVC, waitClass)
|
|
pvNode1bBound = makeTestPV("pv-node1b", "node1", "10G", "1", unboundPVC2, waitClass)
|
|
pvNode1bBoundHigherVersion = makeTestPV("pv-node1b", "node1", "10G", "2", unboundPVC2, waitClass)
|
|
pvBoundImmediate = makeTestPV("pv-bound-immediate", "node1", "1G", "1", immediateBoundPVC, immediateClass)
|
|
pvBoundImmediateNode2 = makeTestPV("pv-bound-immediate", "node2", "1G", "1", immediateBoundPVC, immediateClass)
|
|
|
|
// PVs for CSI migration
|
|
migrationPVBound = makeTestPVForCSIMigration(zone1Labels, boundMigrationPVC)
|
|
migrationPVBoundToUnbound = makeTestPVForCSIMigration(zone1Labels, unboundPVC)
|
|
|
|
// storage class names
|
|
waitClass = "waitClass"
|
|
immediateClass = "immediateClass"
|
|
waitClassWithProvisioner = "waitClassWithProvisioner"
|
|
topoMismatchClass = "topoMismatchClass"
|
|
|
|
// nodes objects
|
|
node1 = makeNode("node1", map[string]string{nodeLabelKey: "node1"})
|
|
node2 = makeNode("node2", map[string]string{nodeLabelKey: "node2"})
|
|
node1NoLabels = makeNode("node1", nil)
|
|
node1Zone1 = makeNode("node1", map[string]string{"topology.gke.io/zone": "us-east-1"})
|
|
node1Zone2 = makeNode("node1", map[string]string{"topology.gke.io/zone": "us-east-2"})
|
|
|
|
// csiNode objects
|
|
csiNode1Migrated = makeCSINode("node1", "kubernetes.io/gce-pd")
|
|
csiNode1NotMigrated = makeCSINode("node1", "")
|
|
|
|
// node topology
|
|
nodeLabelKey = "nodeKey"
|
|
nodeLabelValue = "node1"
|
|
|
|
// node topology for CSI migration
|
|
zone1Labels = map[string]string{v1.LabelZoneFailureDomain: "us-east-1", v1.LabelZoneRegion: "us-east-1a"}
|
|
)
|
|
|
|
func init() {
|
|
klog.InitFlags(nil)
|
|
}
|
|
|
|
type testEnv struct {
|
|
client clientset.Interface
|
|
reactor *pvtesting.VolumeReactor
|
|
binder SchedulerVolumeBinder
|
|
internalBinder *volumeBinder
|
|
internalNodeInformer coreinformers.NodeInformer
|
|
internalCSINodeInformer storageinformers.CSINodeInformer
|
|
internalPVCache *assumeCache
|
|
internalPVCCache *assumeCache
|
|
}
|
|
|
|
func newTestBinder(t *testing.T, stopCh <-chan struct{}) *testEnv {
|
|
client := &fake.Clientset{}
|
|
reactor := pvtesting.NewVolumeReactor(client, nil, nil, nil)
|
|
// TODO refactor all tests to use real watch mechanism, see #72327
|
|
client.AddWatchReactor("*", func(action k8stesting.Action) (handled bool, ret watch.Interface, err error) {
|
|
gvr := action.GetResource()
|
|
ns := action.GetNamespace()
|
|
watch, err := reactor.Watch(gvr, ns)
|
|
if err != nil {
|
|
return false, nil, err
|
|
}
|
|
return true, watch, nil
|
|
})
|
|
informerFactory := informers.NewSharedInformerFactory(client, controller.NoResyncPeriodFunc())
|
|
|
|
nodeInformer := informerFactory.Core().V1().Nodes()
|
|
csiNodeInformer := informerFactory.Storage().V1().CSINodes()
|
|
pvcInformer := informerFactory.Core().V1().PersistentVolumeClaims()
|
|
classInformer := informerFactory.Storage().V1().StorageClasses()
|
|
binder := NewVolumeBinder(
|
|
client,
|
|
nodeInformer,
|
|
csiNodeInformer,
|
|
pvcInformer,
|
|
informerFactory.Core().V1().PersistentVolumes(),
|
|
classInformer,
|
|
10*time.Second)
|
|
|
|
// Wait for informers cache sync
|
|
informerFactory.Start(stopCh)
|
|
for v, synced := range informerFactory.WaitForCacheSync(stopCh) {
|
|
if !synced {
|
|
klog.Fatalf("Error syncing informer for %v", v)
|
|
}
|
|
}
|
|
|
|
// Add storageclasses
|
|
waitMode := storagev1.VolumeBindingWaitForFirstConsumer
|
|
immediateMode := storagev1.VolumeBindingImmediate
|
|
classes := []*storagev1.StorageClass{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: waitClassWithProvisioner,
|
|
},
|
|
VolumeBindingMode: &waitMode,
|
|
Provisioner: "test-provisioner",
|
|
AllowedTopologies: []v1.TopologySelectorTerm{
|
|
{
|
|
MatchLabelExpressions: []v1.TopologySelectorLabelRequirement{
|
|
{
|
|
Key: nodeLabelKey,
|
|
Values: []string{nodeLabelValue, "reference-value"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: immediateClass,
|
|
},
|
|
VolumeBindingMode: &immediateMode,
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: waitClass,
|
|
},
|
|
VolumeBindingMode: &waitMode,
|
|
Provisioner: "kubernetes.io/no-provisioner",
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: topoMismatchClass,
|
|
},
|
|
VolumeBindingMode: &waitMode,
|
|
Provisioner: "test-provisioner",
|
|
AllowedTopologies: []v1.TopologySelectorTerm{
|
|
{
|
|
MatchLabelExpressions: []v1.TopologySelectorLabelRequirement{
|
|
{
|
|
Key: nodeLabelKey,
|
|
Values: []string{"reference-value"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for _, class := range classes {
|
|
if err := classInformer.Informer().GetIndexer().Add(class); err != nil {
|
|
t.Fatalf("Failed to add storage class to internal cache: %v", err)
|
|
}
|
|
}
|
|
|
|
// Get internal types
|
|
internalBinder, ok := binder.(*volumeBinder)
|
|
if !ok {
|
|
t.Fatalf("Failed to convert to internal binder")
|
|
}
|
|
|
|
pvCache := internalBinder.pvCache
|
|
internalPVCache, ok := pvCache.(*pvAssumeCache).AssumeCache.(*assumeCache)
|
|
if !ok {
|
|
t.Fatalf("Failed to convert to internal PV cache")
|
|
}
|
|
|
|
pvcCache := internalBinder.pvcCache
|
|
internalPVCCache, ok := pvcCache.(*pvcAssumeCache).AssumeCache.(*assumeCache)
|
|
if !ok {
|
|
t.Fatalf("Failed to convert to internal PVC cache")
|
|
}
|
|
|
|
return &testEnv{
|
|
client: client,
|
|
reactor: reactor,
|
|
binder: binder,
|
|
internalBinder: internalBinder,
|
|
internalNodeInformer: nodeInformer,
|
|
internalCSINodeInformer: csiNodeInformer,
|
|
internalPVCache: internalPVCache,
|
|
internalPVCCache: internalPVCCache,
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) initNodes(cachedNodes []*v1.Node) {
|
|
nodeInformer := env.internalNodeInformer.Informer()
|
|
for _, node := range cachedNodes {
|
|
nodeInformer.GetIndexer().Add(node)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) initCSINodes(cachedCSINodes []*storagev1.CSINode) {
|
|
csiNodeInformer := env.internalCSINodeInformer.Informer()
|
|
for _, csiNode := range cachedCSINodes {
|
|
csiNodeInformer.GetIndexer().Add(csiNode)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) initClaims(cachedPVCs []*v1.PersistentVolumeClaim, apiPVCs []*v1.PersistentVolumeClaim) {
|
|
internalPVCCache := env.internalPVCCache
|
|
for _, pvc := range cachedPVCs {
|
|
internalPVCCache.add(pvc)
|
|
if apiPVCs == nil {
|
|
env.reactor.AddClaim(pvc)
|
|
}
|
|
}
|
|
for _, pvc := range apiPVCs {
|
|
env.reactor.AddClaim(pvc)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) initVolumes(cachedPVs []*v1.PersistentVolume, apiPVs []*v1.PersistentVolume) {
|
|
internalPVCache := env.internalPVCache
|
|
for _, pv := range cachedPVs {
|
|
internalPVCache.add(pv)
|
|
if apiPVs == nil {
|
|
env.reactor.AddVolume(pv)
|
|
}
|
|
}
|
|
for _, pv := range apiPVs {
|
|
env.reactor.AddVolume(pv)
|
|
}
|
|
|
|
}
|
|
|
|
func (env *testEnv) updateVolumes(t *testing.T, pvs []*v1.PersistentVolume, waitCache bool) {
|
|
for _, pv := range pvs {
|
|
if _, err := env.client.CoreV1().PersistentVolumes().Update(context.TODO(), pv, metav1.UpdateOptions{}); err != nil {
|
|
t.Fatalf("failed to update PV %q", pv.Name)
|
|
}
|
|
}
|
|
if waitCache {
|
|
wait.Poll(100*time.Millisecond, 3*time.Second, func() (bool, error) {
|
|
for _, pv := range pvs {
|
|
obj, err := env.internalPVCache.GetAPIObj(pv.Name)
|
|
if obj == nil || err != nil {
|
|
return false, nil
|
|
}
|
|
pvInCache, ok := obj.(*v1.PersistentVolume)
|
|
if !ok {
|
|
return false, fmt.Errorf("PV %s invalid object", pvInCache.Name)
|
|
}
|
|
if versioner.CompareResourceVersion(pvInCache, pv) != 0 {
|
|
return false, nil
|
|
}
|
|
}
|
|
return true, nil
|
|
})
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) updateClaims(t *testing.T, pvcs []*v1.PersistentVolumeClaim, waitCache bool) {
|
|
for _, pvc := range pvcs {
|
|
if _, err := env.client.CoreV1().PersistentVolumeClaims(pvc.Namespace).Update(context.TODO(), pvc, metav1.UpdateOptions{}); err != nil {
|
|
t.Fatalf("failed to update PVC %q", getPVCName(pvc))
|
|
}
|
|
}
|
|
if waitCache {
|
|
wait.Poll(100*time.Millisecond, 3*time.Second, func() (bool, error) {
|
|
for _, pvc := range pvcs {
|
|
obj, err := env.internalPVCCache.GetAPIObj(getPVCName(pvc))
|
|
if obj == nil || err != nil {
|
|
return false, nil
|
|
}
|
|
pvcInCache, ok := obj.(*v1.PersistentVolumeClaim)
|
|
if !ok {
|
|
return false, fmt.Errorf("PVC %s invalid object", pvcInCache.Name)
|
|
}
|
|
if versioner.CompareResourceVersion(pvcInCache, pvc) != 0 {
|
|
return false, nil
|
|
}
|
|
}
|
|
return true, nil
|
|
})
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) deleteVolumes(pvs []*v1.PersistentVolume) {
|
|
for _, pv := range pvs {
|
|
env.internalPVCache.delete(pv)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) deleteClaims(pvcs []*v1.PersistentVolumeClaim) {
|
|
for _, pvc := range pvcs {
|
|
env.internalPVCCache.delete(pvc)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) assumeVolumes(t *testing.T, node string, pod *v1.Pod, bindings []*bindingInfo, provisionings []*v1.PersistentVolumeClaim) {
|
|
pvCache := env.internalBinder.pvCache
|
|
for _, binding := range bindings {
|
|
if err := pvCache.Assume(binding.pv); err != nil {
|
|
t.Fatalf("error: %v", err)
|
|
}
|
|
}
|
|
|
|
pvcCache := env.internalBinder.pvcCache
|
|
for _, pvc := range provisionings {
|
|
if err := pvcCache.Assume(pvc); err != nil {
|
|
t.Fatalf("error: %v", err)
|
|
}
|
|
}
|
|
|
|
env.internalBinder.podBindingCache.UpdateBindings(pod, node, bindings, provisionings)
|
|
}
|
|
|
|
func (env *testEnv) initPodCache(pod *v1.Pod, node string, bindings []*bindingInfo, provisionings []*v1.PersistentVolumeClaim) {
|
|
cache := env.internalBinder.podBindingCache
|
|
cache.UpdateBindings(pod, node, bindings, provisionings)
|
|
}
|
|
|
|
func (env *testEnv) validatePodCache(t *testing.T, node string, pod *v1.Pod, expectedBindings []*bindingInfo, expectedProvisionings []*v1.PersistentVolumeClaim) {
|
|
cache := env.internalBinder.podBindingCache
|
|
bindings := cache.GetBindings(pod, node)
|
|
if aLen, eLen := len(bindings), len(expectedBindings); aLen != eLen {
|
|
t.Errorf("expected %v bindings, got %v", eLen, aLen)
|
|
} else if expectedBindings == nil && bindings != nil {
|
|
// nil and empty are different
|
|
t.Error("expected nil bindings, got empty")
|
|
} else if expectedBindings != nil && bindings == nil {
|
|
// nil and empty are different
|
|
t.Error("expected empty bindings, got nil")
|
|
} else {
|
|
for i := 0; i < aLen; i++ {
|
|
// Validate PV
|
|
if !reflect.DeepEqual(expectedBindings[i].pv, bindings[i].pv) {
|
|
t.Errorf("binding.pv doesn't match [A-expected, B-got]: %s", diff.ObjectDiff(expectedBindings[i].pv, bindings[i].pv))
|
|
}
|
|
|
|
// Validate PVC
|
|
if !reflect.DeepEqual(expectedBindings[i].pvc, bindings[i].pvc) {
|
|
t.Errorf("binding.pvc doesn't match [A-expected, B-got]: %s", diff.ObjectDiff(expectedBindings[i].pvc, bindings[i].pvc))
|
|
}
|
|
}
|
|
}
|
|
|
|
provisionedClaims := cache.GetProvisionedPVCs(pod, node)
|
|
if aLen, eLen := len(provisionedClaims), len(expectedProvisionings); aLen != eLen {
|
|
t.Errorf("expected %v provisioned claims, got %v", eLen, aLen)
|
|
} else if expectedProvisionings == nil && provisionedClaims != nil {
|
|
// nil and empty are different
|
|
t.Error("expected nil provisionings, got empty")
|
|
} else if expectedProvisionings != nil && provisionedClaims == nil {
|
|
// nil and empty are different
|
|
t.Error("expected empty provisionings, got nil")
|
|
} else {
|
|
for i := 0; i < aLen; i++ {
|
|
if !reflect.DeepEqual(expectedProvisionings[i], provisionedClaims[i]) {
|
|
t.Errorf("provisioned claims doesn't match [A-expected, B-got]: %s", diff.ObjectDiff(expectedProvisionings[i], provisionedClaims[i]))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) getPodBindings(t *testing.T, node string, pod *v1.Pod) []*bindingInfo {
|
|
cache := env.internalBinder.podBindingCache
|
|
return cache.GetBindings(pod, node)
|
|
}
|
|
|
|
func (env *testEnv) validateAssume(t *testing.T, pod *v1.Pod, bindings []*bindingInfo, provisionings []*v1.PersistentVolumeClaim) {
|
|
// Check pv cache
|
|
pvCache := env.internalBinder.pvCache
|
|
for _, b := range bindings {
|
|
pv, err := pvCache.GetPV(b.pv.Name)
|
|
if err != nil {
|
|
t.Errorf("GetPV %q returned error: %v", b.pv.Name, err)
|
|
continue
|
|
}
|
|
if pv.Spec.ClaimRef == nil {
|
|
t.Errorf("PV %q ClaimRef is nil", b.pv.Name)
|
|
continue
|
|
}
|
|
if pv.Spec.ClaimRef.Name != b.pvc.Name {
|
|
t.Errorf("expected PV.ClaimRef.Name %q, got %q", b.pvc.Name, pv.Spec.ClaimRef.Name)
|
|
}
|
|
if pv.Spec.ClaimRef.Namespace != b.pvc.Namespace {
|
|
t.Errorf("expected PV.ClaimRef.Namespace %q, got %q", b.pvc.Namespace, pv.Spec.ClaimRef.Namespace)
|
|
}
|
|
}
|
|
|
|
// Check pvc cache
|
|
pvcCache := env.internalBinder.pvcCache
|
|
for _, p := range provisionings {
|
|
pvcKey := getPVCName(p)
|
|
pvc, err := pvcCache.GetPVC(pvcKey)
|
|
if err != nil {
|
|
t.Errorf("GetPVC %q returned error: %v", pvcKey, err)
|
|
continue
|
|
}
|
|
if pvc.Annotations[pvutil.AnnSelectedNode] != nodeLabelValue {
|
|
t.Errorf("expected pvutil.AnnSelectedNode of pvc %q to be %q, but got %q", pvcKey, nodeLabelValue, pvc.Annotations[pvutil.AnnSelectedNode])
|
|
}
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) validateFailedAssume(t *testing.T, pod *v1.Pod, bindings []*bindingInfo, provisionings []*v1.PersistentVolumeClaim) {
|
|
// All PVs have been unmodified in cache
|
|
pvCache := env.internalBinder.pvCache
|
|
for _, b := range bindings {
|
|
pv, _ := pvCache.GetPV(b.pv.Name)
|
|
// PV could be nil if it's missing from cache
|
|
if pv != nil && pv != b.pv {
|
|
t.Errorf("PV %q was modified in cache", b.pv.Name)
|
|
}
|
|
}
|
|
|
|
// Check pvc cache
|
|
pvcCache := env.internalBinder.pvcCache
|
|
for _, p := range provisionings {
|
|
pvcKey := getPVCName(p)
|
|
pvc, err := pvcCache.GetPVC(pvcKey)
|
|
if err != nil {
|
|
t.Errorf("GetPVC %q returned error: %v", pvcKey, err)
|
|
continue
|
|
}
|
|
if pvc.Annotations[pvutil.AnnSelectedNode] != "" {
|
|
t.Errorf("expected pvutil.AnnSelectedNode of pvc %q empty, but got %q", pvcKey, pvc.Annotations[pvutil.AnnSelectedNode])
|
|
}
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) validateBind(
|
|
t *testing.T,
|
|
pod *v1.Pod,
|
|
expectedPVs []*v1.PersistentVolume,
|
|
expectedAPIPVs []*v1.PersistentVolume) {
|
|
|
|
// Check pv cache
|
|
pvCache := env.internalBinder.pvCache
|
|
for _, pv := range expectedPVs {
|
|
cachedPV, err := pvCache.GetPV(pv.Name)
|
|
if err != nil {
|
|
t.Errorf("GetPV %q returned error: %v", pv.Name, err)
|
|
}
|
|
// Cache may be overridden by API object with higher version, compare but ignore resource version.
|
|
newCachedPV := cachedPV.DeepCopy()
|
|
newCachedPV.ResourceVersion = pv.ResourceVersion
|
|
if !reflect.DeepEqual(newCachedPV, pv) {
|
|
t.Errorf("cached PV check failed [A-expected, B-got]:\n%s", diff.ObjectDiff(pv, cachedPV))
|
|
}
|
|
}
|
|
|
|
// Check reactor for API updates
|
|
if err := env.reactor.CheckVolumes(expectedAPIPVs); err != nil {
|
|
t.Errorf("API reactor validation failed: %v", err)
|
|
}
|
|
}
|
|
|
|
func (env *testEnv) validateProvision(
|
|
t *testing.T,
|
|
pod *v1.Pod,
|
|
expectedPVCs []*v1.PersistentVolumeClaim,
|
|
expectedAPIPVCs []*v1.PersistentVolumeClaim) {
|
|
|
|
// Check pvc cache
|
|
pvcCache := env.internalBinder.pvcCache
|
|
for _, pvc := range expectedPVCs {
|
|
cachedPVC, err := pvcCache.GetPVC(getPVCName(pvc))
|
|
if err != nil {
|
|
t.Errorf("GetPVC %q returned error: %v", getPVCName(pvc), err)
|
|
}
|
|
// Cache may be overridden by API object with higher version, compare but ignore resource version.
|
|
newCachedPVC := cachedPVC.DeepCopy()
|
|
newCachedPVC.ResourceVersion = pvc.ResourceVersion
|
|
if !reflect.DeepEqual(newCachedPVC, pvc) {
|
|
t.Errorf("cached PVC check failed [A-expected, B-got]:\n%s", diff.ObjectDiff(pvc, cachedPVC))
|
|
}
|
|
}
|
|
|
|
// Check reactor for API updates
|
|
if err := env.reactor.CheckClaims(expectedAPIPVCs); err != nil {
|
|
t.Errorf("API reactor validation failed: %v", err)
|
|
}
|
|
}
|
|
|
|
const (
|
|
pvcUnbound = iota
|
|
pvcPrebound
|
|
pvcBound
|
|
pvcSelectedNode
|
|
)
|
|
|
|
func makeTestPVC(name, size, node string, pvcBoundState int, pvName, resourceVersion string, className *string) *v1.PersistentVolumeClaim {
|
|
fs := v1.PersistentVolumeFilesystem
|
|
pvc := &v1.PersistentVolumeClaim{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "PersistentVolumeClaim",
|
|
APIVersion: "v1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: "testns",
|
|
UID: types.UID("pvc-uid"),
|
|
ResourceVersion: resourceVersion,
|
|
SelfLink: "/api/v1/namespaces/testns/persistentvolumeclaims/" + name,
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
Resources: v1.ResourceRequirements{
|
|
Requests: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse(size),
|
|
},
|
|
},
|
|
StorageClassName: className,
|
|
VolumeMode: &fs,
|
|
},
|
|
}
|
|
|
|
switch pvcBoundState {
|
|
case pvcSelectedNode:
|
|
metav1.SetMetaDataAnnotation(&pvc.ObjectMeta, pvutil.AnnSelectedNode, node)
|
|
// don't fallthrough
|
|
case pvcBound:
|
|
metav1.SetMetaDataAnnotation(&pvc.ObjectMeta, pvutil.AnnBindCompleted, "yes")
|
|
fallthrough
|
|
case pvcPrebound:
|
|
pvc.Spec.VolumeName = pvName
|
|
}
|
|
return pvc
|
|
}
|
|
|
|
func makeTestPV(name, node, capacity, version string, boundToPVC *v1.PersistentVolumeClaim, className string) *v1.PersistentVolume {
|
|
fs := v1.PersistentVolumeFilesystem
|
|
pv := &v1.PersistentVolume{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
ResourceVersion: version,
|
|
},
|
|
Spec: v1.PersistentVolumeSpec{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse(capacity),
|
|
},
|
|
StorageClassName: className,
|
|
VolumeMode: &fs,
|
|
},
|
|
Status: v1.PersistentVolumeStatus{
|
|
Phase: v1.VolumeAvailable,
|
|
},
|
|
}
|
|
if node != "" {
|
|
pv.Spec.NodeAffinity = pvutil.GetVolumeNodeAffinity(nodeLabelKey, node)
|
|
}
|
|
|
|
if boundToPVC != nil {
|
|
pv.Spec.ClaimRef = &v1.ObjectReference{
|
|
Kind: boundToPVC.Kind,
|
|
APIVersion: boundToPVC.APIVersion,
|
|
ResourceVersion: boundToPVC.ResourceVersion,
|
|
Name: boundToPVC.Name,
|
|
Namespace: boundToPVC.Namespace,
|
|
UID: boundToPVC.UID,
|
|
}
|
|
metav1.SetMetaDataAnnotation(&pv.ObjectMeta, pvutil.AnnBoundByController, "yes")
|
|
}
|
|
|
|
return pv
|
|
}
|
|
|
|
func makeTestPVForCSIMigration(labels map[string]string, pvc *v1.PersistentVolumeClaim) *v1.PersistentVolume {
|
|
pv := makeTestPV("pv-migration-bound", "node1", "1G", "1", pvc, waitClass)
|
|
pv.Spec.NodeAffinity = nil // Will be written by the CSI translation lib
|
|
pv.ObjectMeta.Labels = labels
|
|
pv.Spec.PersistentVolumeSource = v1.PersistentVolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: "test-disk",
|
|
FSType: "ext4",
|
|
Partition: 0,
|
|
ReadOnly: false,
|
|
},
|
|
}
|
|
return pv
|
|
}
|
|
|
|
func pvcSetSelectedNode(pvc *v1.PersistentVolumeClaim, node string) *v1.PersistentVolumeClaim {
|
|
newPVC := pvc.DeepCopy()
|
|
metav1.SetMetaDataAnnotation(&newPVC.ObjectMeta, pvutil.AnnSelectedNode, node)
|
|
return newPVC
|
|
}
|
|
|
|
func pvcSetEmptyAnnotations(pvc *v1.PersistentVolumeClaim) *v1.PersistentVolumeClaim {
|
|
newPVC := pvc.DeepCopy()
|
|
newPVC.Annotations = map[string]string{}
|
|
return newPVC
|
|
}
|
|
|
|
func pvRemoveClaimUID(pv *v1.PersistentVolume) *v1.PersistentVolume {
|
|
newPV := pv.DeepCopy()
|
|
newPV.Spec.ClaimRef.UID = ""
|
|
return newPV
|
|
}
|
|
|
|
func makeNode(name string, labels map[string]string) *v1.Node {
|
|
return &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Labels: labels,
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeCSINode(name, migratedPlugin string) *storagev1.CSINode {
|
|
return &storagev1.CSINode{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Annotations: map[string]string{
|
|
v1.MigratedPluginsAnnotationKey: migratedPlugin,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func makePod(pvcs []*v1.PersistentVolumeClaim) *v1.Pod {
|
|
pod := &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "test-pod",
|
|
Namespace: "testns",
|
|
},
|
|
}
|
|
|
|
volumes := []v1.Volume{}
|
|
for i, pvc := range pvcs {
|
|
pvcVol := v1.Volume{
|
|
Name: fmt.Sprintf("vol%v", i),
|
|
VolumeSource: v1.VolumeSource{
|
|
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
|
|
ClaimName: pvc.Name,
|
|
},
|
|
},
|
|
}
|
|
volumes = append(volumes, pvcVol)
|
|
}
|
|
pod.Spec.Volumes = volumes
|
|
pod.Spec.NodeName = "node1"
|
|
return pod
|
|
}
|
|
|
|
func makePodWithoutPVC() *v1.Pod {
|
|
pod := &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "test-pod",
|
|
Namespace: "testns",
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Volumes: []v1.Volume{
|
|
{
|
|
VolumeSource: v1.VolumeSource{
|
|
EmptyDir: &v1.EmptyDirVolumeSource{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
return pod
|
|
}
|
|
|
|
func makeBinding(pvc *v1.PersistentVolumeClaim, pv *v1.PersistentVolume) *bindingInfo {
|
|
return &bindingInfo{pvc: pvc, pv: pv}
|
|
}
|
|
|
|
func addProvisionAnn(pvc *v1.PersistentVolumeClaim) *v1.PersistentVolumeClaim {
|
|
res := pvc.DeepCopy()
|
|
// Add provision related annotations
|
|
metav1.SetMetaDataAnnotation(&res.ObjectMeta, pvutil.AnnSelectedNode, nodeLabelValue)
|
|
|
|
return res
|
|
}
|
|
|
|
// reasonNames pretty-prints a list of reasons with variable names in
|
|
// case of a test failure because that is easier to read than the full
|
|
// strings.
|
|
func reasonNames(reasons []string) string {
|
|
var varNames []string
|
|
for _, reason := range reasons {
|
|
switch reason {
|
|
case ErrReasonBindConflict:
|
|
varNames = append(varNames, "ErrReasonBindConflict")
|
|
case ErrReasonNodeConflict:
|
|
varNames = append(varNames, "ErrReasonNodeConflict")
|
|
default:
|
|
varNames = append(varNames, reason)
|
|
}
|
|
}
|
|
return fmt.Sprintf("%v", varNames)
|
|
}
|
|
|
|
func checkReasons(t *testing.T, actual, expected []string) {
|
|
equal := len(actual) == len(expected)
|
|
sort.Strings(actual)
|
|
sort.Strings(expected)
|
|
if equal {
|
|
for i, reason := range actual {
|
|
if reason != expected[i] {
|
|
equal = false
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if !equal {
|
|
t.Errorf("expected failure reasons %s, got %s", reasonNames(expected), reasonNames(actual))
|
|
}
|
|
}
|
|
|
|
func TestFindPodVolumesWithoutProvisioning(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
pvs []*v1.PersistentVolume
|
|
podPVCs []*v1.PersistentVolumeClaim
|
|
// If nil, use pod PVCs
|
|
cachePVCs []*v1.PersistentVolumeClaim
|
|
// If nil, makePod with podPVCs
|
|
pod *v1.Pod
|
|
|
|
// Expected podBindingCache fields
|
|
expectedBindings []*bindingInfo
|
|
|
|
// Expected return values
|
|
reasons []string
|
|
shouldFail bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"no-volumes": {
|
|
pod: makePod(nil),
|
|
},
|
|
"no-pvcs": {
|
|
pod: makePodWithoutPVC(),
|
|
},
|
|
"pvc-not-found": {
|
|
cachePVCs: []*v1.PersistentVolumeClaim{},
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC},
|
|
shouldFail: true,
|
|
},
|
|
"bound-pvc": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound},
|
|
},
|
|
"bound-pvc,pv-not-exists": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC},
|
|
shouldFail: true,
|
|
},
|
|
"prebound-pvc": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{preboundPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode1aBound},
|
|
shouldFail: true,
|
|
},
|
|
"unbound-pvc,pv-same-node": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode2, pvNode1a, pvNode1b},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
},
|
|
"unbound-pvc,pv-different-node": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode2},
|
|
reasons: []string{ErrReasonBindConflict},
|
|
},
|
|
"two-unbound-pvcs": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, unboundPVC2},
|
|
pvs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a), makeBinding(unboundPVC2, pvNode1b)},
|
|
},
|
|
"two-unbound-pvcs,order-by-size": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC2, unboundPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a), makeBinding(unboundPVC2, pvNode1b)},
|
|
},
|
|
"two-unbound-pvcs,partial-match": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, unboundPVC2},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
reasons: []string{ErrReasonBindConflict},
|
|
},
|
|
"one-bound,one-unbound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, boundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound, pvNode1a},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
},
|
|
"one-bound,one-unbound,no-match": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, boundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound, pvNode2},
|
|
reasons: []string{ErrReasonBindConflict},
|
|
},
|
|
"one-prebound,one-unbound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, preboundPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
shouldFail: true,
|
|
},
|
|
"immediate-bound-pvc": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateBoundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBoundImmediate},
|
|
},
|
|
"immediate-bound-pvc-wrong-node": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateBoundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBoundImmediateNode2},
|
|
reasons: []string{ErrReasonNodeConflict},
|
|
},
|
|
"immediate-unbound-pvc": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateUnboundPVC},
|
|
shouldFail: true,
|
|
},
|
|
"immediate-unbound-pvc,delayed-mode-bound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateUnboundPVC, boundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound},
|
|
shouldFail: true,
|
|
},
|
|
"immediate-unbound-pvc,delayed-mode-unbound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateUnboundPVC, unboundPVC},
|
|
shouldFail: true,
|
|
},
|
|
}
|
|
|
|
testNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "node1",
|
|
Labels: map[string]string{
|
|
nodeLabelKey: "node1",
|
|
},
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initVolumes(scenario.pvs, scenario.pvs)
|
|
|
|
// a. Init pvc cache
|
|
if scenario.cachePVCs == nil {
|
|
scenario.cachePVCs = scenario.podPVCs
|
|
}
|
|
testEnv.initClaims(scenario.cachePVCs, scenario.cachePVCs)
|
|
|
|
// b. Generate pod with given claims
|
|
if scenario.pod == nil {
|
|
scenario.pod = makePod(scenario.podPVCs)
|
|
}
|
|
|
|
// Execute
|
|
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, testNode)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
checkReasons(t, reasons, scenario.reasons)
|
|
testEnv.validatePodCache(t, testNode.Name, scenario.pod, scenario.expectedBindings, nil)
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestFindPodVolumesWithProvisioning(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
pvs []*v1.PersistentVolume
|
|
podPVCs []*v1.PersistentVolumeClaim
|
|
// If nil, use pod PVCs
|
|
cachePVCs []*v1.PersistentVolumeClaim
|
|
// If nil, makePod with podPVCs
|
|
pod *v1.Pod
|
|
|
|
// Expected podBindingCache fields
|
|
expectedBindings []*bindingInfo
|
|
expectedProvisions []*v1.PersistentVolumeClaim
|
|
|
|
// Expected return values
|
|
reasons []string
|
|
shouldFail bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"one-provisioned": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
expectedProvisions: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
},
|
|
"two-unbound-pvcs,one-matched,one-provisioned": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, provisionedPVC},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
expectedProvisions: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
},
|
|
"one-bound,one-provisioned": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC, provisionedPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound},
|
|
expectedProvisions: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
},
|
|
"one-binding,one-selected-node": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC, selectedNodePVC},
|
|
pvs: []*v1.PersistentVolume{pvBound},
|
|
expectedProvisions: []*v1.PersistentVolumeClaim{selectedNodePVC},
|
|
},
|
|
"immediate-unbound-pvc": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateUnboundPVC},
|
|
shouldFail: true,
|
|
},
|
|
"one-immediate-bound,one-provisioned": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{immediateBoundPVC, provisionedPVC},
|
|
pvs: []*v1.PersistentVolume{pvBoundImmediate},
|
|
expectedProvisions: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
},
|
|
"invalid-provisioner": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{noProvisionerPVC},
|
|
reasons: []string{ErrReasonBindConflict},
|
|
},
|
|
"volume-topology-unsatisfied": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{topoMismatchPVC},
|
|
reasons: []string{ErrReasonBindConflict},
|
|
},
|
|
}
|
|
|
|
testNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "node1",
|
|
Labels: map[string]string{
|
|
nodeLabelKey: "node1",
|
|
},
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initVolumes(scenario.pvs, scenario.pvs)
|
|
|
|
// a. Init pvc cache
|
|
if scenario.cachePVCs == nil {
|
|
scenario.cachePVCs = scenario.podPVCs
|
|
}
|
|
testEnv.initClaims(scenario.cachePVCs, scenario.cachePVCs)
|
|
|
|
// b. Generate pod with given claims
|
|
if scenario.pod == nil {
|
|
scenario.pod = makePod(scenario.podPVCs)
|
|
}
|
|
|
|
// Execute
|
|
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, testNode)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
checkReasons(t, reasons, scenario.reasons)
|
|
testEnv.validatePodCache(t, testNode.Name, scenario.pod, scenario.expectedBindings, scenario.expectedProvisions)
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
// TestFindPodVolumesWithCSIMigration aims to test the node affinity check procedure that's
|
|
// done in FindPodVolumes. In order to reach this code path, the given PVCs must be bound to a PV.
|
|
func TestFindPodVolumesWithCSIMigration(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
pvs []*v1.PersistentVolume
|
|
podPVCs []*v1.PersistentVolumeClaim
|
|
// If nil, use pod PVCs
|
|
cachePVCs []*v1.PersistentVolumeClaim
|
|
// If nil, makePod with podPVCs
|
|
pod *v1.Pod
|
|
|
|
// Setup
|
|
initNodes []*v1.Node
|
|
initCSINodes []*storagev1.CSINode
|
|
|
|
// Expected return values
|
|
reasons []string
|
|
shouldFail bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"pvc-bound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundMigrationPVC},
|
|
pvs: []*v1.PersistentVolume{migrationPVBound},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
},
|
|
"pvc-bound,csinode-not-migrated": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundMigrationPVC},
|
|
pvs: []*v1.PersistentVolume{migrationPVBound},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1NotMigrated},
|
|
},
|
|
"pvc-bound,missing-csinode": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundMigrationPVC},
|
|
pvs: []*v1.PersistentVolume{migrationPVBound},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
},
|
|
"pvc-bound,node-different-zone": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundMigrationPVC},
|
|
pvs: []*v1.PersistentVolume{migrationPVBound},
|
|
initNodes: []*v1.Node{node1Zone2},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
reasons: []string{ErrReasonNodeConflict},
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIMigration, true)()
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIMigrationGCE, true)()
|
|
|
|
// Setup
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initVolumes(scenario.pvs, scenario.pvs)
|
|
|
|
var node *v1.Node
|
|
if len(scenario.initNodes) > 0 {
|
|
testEnv.initNodes(scenario.initNodes)
|
|
node = scenario.initNodes[0]
|
|
} else {
|
|
node = node1
|
|
}
|
|
|
|
if len(scenario.initCSINodes) > 0 {
|
|
testEnv.initCSINodes(scenario.initCSINodes)
|
|
}
|
|
|
|
// a. Init pvc cache
|
|
if scenario.cachePVCs == nil {
|
|
scenario.cachePVCs = scenario.podPVCs
|
|
}
|
|
testEnv.initClaims(scenario.cachePVCs, scenario.cachePVCs)
|
|
|
|
// b. Generate pod with given claims
|
|
if scenario.pod == nil {
|
|
scenario.pod = makePod(scenario.podPVCs)
|
|
}
|
|
|
|
// Execute
|
|
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, node)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
checkReasons(t, reasons, scenario.reasons)
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestAssumePodVolumes(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
podPVCs []*v1.PersistentVolumeClaim
|
|
pvs []*v1.PersistentVolume
|
|
bindings []*bindingInfo
|
|
provisionedPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// Expected return values
|
|
shouldFail bool
|
|
expectedAllBound bool
|
|
|
|
expectedBindings []*bindingInfo
|
|
expectedProvisionings []*v1.PersistentVolumeClaim
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"all-bound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{boundPVC},
|
|
pvs: []*v1.PersistentVolume{pvBound},
|
|
expectedAllBound: true,
|
|
},
|
|
"one-binding": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
expectedProvisionings: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"two-bindings": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, unboundPVC2},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a), makeBinding(unboundPVC2, pvNode1b)},
|
|
pvs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound), makeBinding(unboundPVC2, pvNode1bBound)},
|
|
expectedProvisionings: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"pv-already-bound": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
pvs: []*v1.PersistentVolume{pvNode1aBound},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
expectedProvisionings: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"tmpupdate-failed": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a), makeBinding(unboundPVC2, pvNode1b)},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
shouldFail: true,
|
|
},
|
|
"one-binding, one-pvc-provisioned": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, provisionedPVC},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
expectedBindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
expectedProvisionings: []*v1.PersistentVolumeClaim{selectedNodePVC},
|
|
},
|
|
"one-binding, one-provision-tmpupdate-failed": {
|
|
podPVCs: []*v1.PersistentVolumeClaim{unboundPVC, provisionedPVCHigherVersion},
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1a)},
|
|
pvs: []*v1.PersistentVolume{pvNode1a},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{provisionedPVC2},
|
|
shouldFail: true,
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initClaims(scenario.podPVCs, scenario.podPVCs)
|
|
pod := makePod(scenario.podPVCs)
|
|
testEnv.initPodCache(pod, "node1", scenario.bindings, scenario.provisionedPVCs)
|
|
testEnv.initVolumes(scenario.pvs, scenario.pvs)
|
|
|
|
// Execute
|
|
allBound, err := testEnv.binder.AssumePodVolumes(pod, "node1")
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
if scenario.expectedAllBound != allBound {
|
|
t.Errorf("returned unexpected allBound: %v", allBound)
|
|
}
|
|
if scenario.expectedBindings == nil {
|
|
scenario.expectedBindings = scenario.bindings
|
|
}
|
|
if scenario.expectedProvisionings == nil {
|
|
scenario.expectedProvisionings = scenario.provisionedPVCs
|
|
}
|
|
if scenario.shouldFail {
|
|
testEnv.validateFailedAssume(t, pod, scenario.expectedBindings, scenario.expectedProvisionings)
|
|
} else {
|
|
testEnv.validateAssume(t, pod, scenario.expectedBindings, scenario.expectedProvisionings)
|
|
}
|
|
testEnv.validatePodCache(t, pod.Spec.NodeName, pod, scenario.expectedBindings, scenario.expectedProvisionings)
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestBindAPIUpdate(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
bindings []*bindingInfo
|
|
cachedPVs []*v1.PersistentVolume
|
|
// if nil, use cachedPVs
|
|
apiPVs []*v1.PersistentVolume
|
|
|
|
provisionedPVCs []*v1.PersistentVolumeClaim
|
|
cachedPVCs []*v1.PersistentVolumeClaim
|
|
// if nil, use cachedPVCs
|
|
apiPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// Expected return values
|
|
shouldFail bool
|
|
expectedPVs []*v1.PersistentVolume
|
|
// if nil, use expectedPVs
|
|
expectedAPIPVs []*v1.PersistentVolume
|
|
|
|
expectedPVCs []*v1.PersistentVolumeClaim
|
|
// if nil, use expectedPVCs
|
|
expectedAPIPVCs []*v1.PersistentVolumeClaim
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"nothing-to-bind-nil": {
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-bindings-nil": {
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-provisionings-nil": {
|
|
bindings: []*bindingInfo{},
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-empty": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"one-binding": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
cachedPVs: []*v1.PersistentVolume{pvNode1a},
|
|
expectedPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"two-bindings": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound), makeBinding(unboundPVC2, pvNode1bBound)},
|
|
cachedPVs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
expectedPVs: []*v1.PersistentVolume{pvNode1aBound, pvNode1bBound},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"api-already-updated": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
cachedPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
expectedPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
},
|
|
"api-update-failed": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound), makeBinding(unboundPVC2, pvNode1bBound)},
|
|
cachedPVs: []*v1.PersistentVolume{pvNode1a, pvNode1b},
|
|
apiPVs: []*v1.PersistentVolume{pvNode1a, pvNode1bBoundHigherVersion},
|
|
expectedPVs: []*v1.PersistentVolume{pvNode1aBound, pvNode1b},
|
|
expectedAPIPVs: []*v1.PersistentVolume{pvNode1aBound, pvNode1bBoundHigherVersion},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
shouldFail: true,
|
|
},
|
|
"one-provisioned-pvc": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
cachedPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
expectedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
},
|
|
"provision-api-update-failed": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), addProvisionAnn(provisionedPVC2)},
|
|
cachedPVCs: []*v1.PersistentVolumeClaim{provisionedPVC, provisionedPVC2},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{provisionedPVC, provisionedPVCHigherVersion},
|
|
expectedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), provisionedPVC2},
|
|
expectedAPIPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), provisionedPVCHigherVersion},
|
|
shouldFail: true,
|
|
},
|
|
"binding-succeed, provision-api-update-failed": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
cachedPVs: []*v1.PersistentVolume{pvNode1a},
|
|
expectedPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), addProvisionAnn(provisionedPVC2)},
|
|
cachedPVCs: []*v1.PersistentVolumeClaim{provisionedPVC, provisionedPVC2},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{provisionedPVC, provisionedPVCHigherVersion},
|
|
expectedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), provisionedPVC2},
|
|
expectedAPIPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC), provisionedPVCHigherVersion},
|
|
shouldFail: true,
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
pod := makePod(nil)
|
|
if scenario.apiPVs == nil {
|
|
scenario.apiPVs = scenario.cachedPVs
|
|
}
|
|
if scenario.apiPVCs == nil {
|
|
scenario.apiPVCs = scenario.cachedPVCs
|
|
}
|
|
testEnv.initVolumes(scenario.cachedPVs, scenario.apiPVs)
|
|
testEnv.initClaims(scenario.cachedPVCs, scenario.apiPVCs)
|
|
testEnv.assumeVolumes(t, "node1", pod, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Execute
|
|
err := testEnv.internalBinder.bindAPIUpdate(pod.Name, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
if scenario.expectedAPIPVs == nil {
|
|
scenario.expectedAPIPVs = scenario.expectedPVs
|
|
}
|
|
if scenario.expectedAPIPVCs == nil {
|
|
scenario.expectedAPIPVCs = scenario.expectedPVCs
|
|
}
|
|
testEnv.validateBind(t, pod, scenario.expectedPVs, scenario.expectedAPIPVs)
|
|
testEnv.validateProvision(t, pod, scenario.expectedPVCs, scenario.expectedAPIPVCs)
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestCheckBindings(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
initPVs []*v1.PersistentVolume
|
|
initPVCs []*v1.PersistentVolumeClaim
|
|
|
|
bindings []*bindingInfo
|
|
provisionedPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// api updates before checking
|
|
apiPVs []*v1.PersistentVolume
|
|
apiPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// delete objects before checking
|
|
deletePVs bool
|
|
deletePVCs bool
|
|
|
|
// Expected return values
|
|
shouldFail bool
|
|
expectedBound bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"nothing-to-bind-nil": {
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-bindings-nil": {
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-provisionings-nil": {
|
|
bindings: []*bindingInfo{},
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
expectedBound: true,
|
|
},
|
|
"binding-bound": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
expectedBound: true,
|
|
},
|
|
"binding-prebound": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{preboundPVCNode1a},
|
|
},
|
|
"binding-unbound": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
},
|
|
"binding-pvc-not-exists": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
shouldFail: true,
|
|
},
|
|
"binding-pv-not-exists": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
deletePVs: true,
|
|
shouldFail: true,
|
|
},
|
|
"binding-claimref-nil": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
apiPVs: []*v1.PersistentVolume{pvNode1a},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
shouldFail: true,
|
|
},
|
|
"binding-claimref-uid-empty": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
apiPVs: []*v1.PersistentVolume{pvRemoveClaimUID(pvNode1aBound)},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
shouldFail: true,
|
|
},
|
|
"binding-one-bound,one-unbound": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound), makeBinding(unboundPVC2, pvNode1bBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound, pvNode1bBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a, unboundPVC2},
|
|
},
|
|
"provisioning-pvc-bound": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVs: []*v1.PersistentVolume{pvBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVCBound},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVCBound)},
|
|
expectedBound: true,
|
|
},
|
|
"provisioning-pvc-unbound": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
},
|
|
"provisioning-pvc-not-exists": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
deletePVCs: true,
|
|
shouldFail: true,
|
|
},
|
|
"provisioning-pvc-annotations-nil": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
shouldFail: true,
|
|
},
|
|
"provisioning-pvc-selected-node-dropped": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{pvcSetEmptyAnnotations(provisionedPVC)},
|
|
shouldFail: true,
|
|
},
|
|
"provisioning-pvc-selected-node-wrong-node": {
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{pvcSetSelectedNode(provisionedPVC, "wrong-node")},
|
|
shouldFail: true,
|
|
},
|
|
"binding-bound-provisioning-unbound": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, pvNode1aBound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a, addProvisionAnn(provisionedPVC)},
|
|
},
|
|
"tolerate-provisioning-pvc-bound-pv-not-found": {
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVC)},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provisionedPVCBound)},
|
|
deletePVs: true,
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
pod := makePod(nil)
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initNodes([]*v1.Node{node1})
|
|
testEnv.initVolumes(scenario.initPVs, nil)
|
|
testEnv.initClaims(scenario.initPVCs, nil)
|
|
testEnv.assumeVolumes(t, "node1", pod, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Before execute
|
|
if scenario.deletePVs {
|
|
testEnv.deleteVolumes(scenario.initPVs)
|
|
} else {
|
|
testEnv.updateVolumes(t, scenario.apiPVs, true)
|
|
}
|
|
if scenario.deletePVCs {
|
|
testEnv.deleteClaims(scenario.initPVCs)
|
|
} else {
|
|
testEnv.updateClaims(t, scenario.apiPVCs, true)
|
|
}
|
|
|
|
// Execute
|
|
allBound, err := testEnv.internalBinder.checkBindings(pod, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
if scenario.expectedBound != allBound {
|
|
t.Errorf("returned bound %v", allBound)
|
|
}
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestCheckBindingsWithCSIMigration(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
initPVs []*v1.PersistentVolume
|
|
initPVCs []*v1.PersistentVolumeClaim
|
|
initNodes []*v1.Node
|
|
initCSINodes []*storagev1.CSINode
|
|
|
|
bindings []*bindingInfo
|
|
provisionedPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// API updates before checking
|
|
apiPVs []*v1.PersistentVolume
|
|
apiPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// Expected return values
|
|
shouldFail bool
|
|
expectedBound bool
|
|
migrationEnabled bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"provisioning-pvc-bound": {
|
|
bindings: []*bindingInfo{},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provMigrationPVCBound)},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{provMigrationPVCBound},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
apiPVCs: []*v1.PersistentVolumeClaim{addProvisionAnn(provMigrationPVCBound)},
|
|
expectedBound: true,
|
|
},
|
|
"binding-node-pv-same-zone": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, migrationPVBoundToUnbound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBoundToUnbound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
migrationEnabled: true,
|
|
},
|
|
"binding-without-csinode": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, migrationPVBoundToUnbound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBoundToUnbound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{},
|
|
migrationEnabled: true,
|
|
},
|
|
"binding-non-migrated-plugin": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, migrationPVBoundToUnbound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBoundToUnbound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
initNodes: []*v1.Node{node1Zone1},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1NotMigrated},
|
|
migrationEnabled: true,
|
|
},
|
|
"binding-node-pv-in-different-zones": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, migrationPVBoundToUnbound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBoundToUnbound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
initNodes: []*v1.Node{node1Zone2},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
migrationEnabled: true,
|
|
shouldFail: true,
|
|
},
|
|
"binding-node-pv-different-zones-migration-off": {
|
|
bindings: []*bindingInfo{makeBinding(unboundPVC, migrationPVBoundToUnbound)},
|
|
provisionedPVCs: []*v1.PersistentVolumeClaim{},
|
|
initPVs: []*v1.PersistentVolume{migrationPVBoundToUnbound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
initNodes: []*v1.Node{node1Zone2},
|
|
initCSINodes: []*storagev1.CSINode{csiNode1Migrated},
|
|
migrationEnabled: false,
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIMigration, scenario.migrationEnabled)()
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIMigrationGCE, scenario.migrationEnabled)()
|
|
|
|
// Setup
|
|
pod := makePod(nil)
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initNodes(scenario.initNodes)
|
|
testEnv.initCSINodes(scenario.initCSINodes)
|
|
testEnv.initVolumes(scenario.initPVs, nil)
|
|
testEnv.initClaims(scenario.initPVCs, nil)
|
|
testEnv.assumeVolumes(t, "node1", pod, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Before execute
|
|
testEnv.updateVolumes(t, scenario.apiPVs, true)
|
|
testEnv.updateClaims(t, scenario.apiPVCs, true)
|
|
|
|
// Execute
|
|
allBound, err := testEnv.internalBinder.checkBindings(pod, scenario.bindings, scenario.provisionedPVCs)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
if scenario.expectedBound != allBound {
|
|
t.Errorf("returned bound %v", allBound)
|
|
}
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestBindPodVolumes(t *testing.T) {
|
|
type scenarioType struct {
|
|
// Inputs
|
|
bindingsNil bool // Pass in nil bindings slice
|
|
|
|
nodes []*v1.Node
|
|
|
|
// before assume
|
|
initPVs []*v1.PersistentVolume
|
|
initPVCs []*v1.PersistentVolumeClaim
|
|
|
|
// assume PV & PVC with these binding results
|
|
binding *bindingInfo
|
|
claimToProvision *v1.PersistentVolumeClaim
|
|
|
|
// API updates after assume before bind
|
|
apiPV *v1.PersistentVolume
|
|
apiPVC *v1.PersistentVolumeClaim
|
|
|
|
// This function runs with a delay of 5 seconds
|
|
delayFunc func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim)
|
|
|
|
// Expected return values
|
|
shouldFail bool
|
|
}
|
|
scenarios := map[string]scenarioType{
|
|
"nothing-to-bind-nil": {
|
|
bindingsNil: true,
|
|
shouldFail: true,
|
|
},
|
|
"nothing-to-bind-empty": {},
|
|
"already-bound": {
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
},
|
|
"binding-static-pv-succeeds-after-time": {
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
shouldFail: false, // Will succeed after PVC is fully bound to this PV by pv controller.
|
|
delayFunc: func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim) {
|
|
pvc := pvcs[0]
|
|
pv := pvs[0]
|
|
// Update PVC to be fully bound to PV
|
|
newPVC := pvc.DeepCopy()
|
|
newPVC.Spec.VolumeName = pv.Name
|
|
metav1.SetMetaDataAnnotation(&newPVC.ObjectMeta, pvutil.AnnBindCompleted, "yes")
|
|
if _, err := testEnv.client.CoreV1().PersistentVolumeClaims(newPVC.Namespace).Update(context.TODO(), newPVC, metav1.UpdateOptions{}); err != nil {
|
|
t.Errorf("failed to update PVC %q: %v", newPVC.Name, err)
|
|
}
|
|
},
|
|
},
|
|
"binding-dynamic-pv-succeeds-after-time": {
|
|
claimToProvision: pvcSetSelectedNode(provisionedPVC, "node1"),
|
|
initPVCs: []*v1.PersistentVolumeClaim{provisionedPVC},
|
|
delayFunc: func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim) {
|
|
pvc := pvcs[0]
|
|
// Update PVC to be fully bound to PV
|
|
newPVC, err := testEnv.client.CoreV1().PersistentVolumeClaims(pvc.Namespace).Get(context.TODO(), pvc.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
t.Errorf("failed to get PVC %q: %v", pvc.Name, err)
|
|
return
|
|
}
|
|
dynamicPV := makeTestPV("dynamic-pv", "node1", "1G", "1", newPVC, waitClass)
|
|
dynamicPV, err = testEnv.client.CoreV1().PersistentVolumes().Create(context.TODO(), dynamicPV, metav1.CreateOptions{})
|
|
if err != nil {
|
|
t.Errorf("failed to create PV %q: %v", dynamicPV.Name, err)
|
|
return
|
|
}
|
|
newPVC.Spec.VolumeName = dynamicPV.Name
|
|
metav1.SetMetaDataAnnotation(&newPVC.ObjectMeta, pvutil.AnnBindCompleted, "yes")
|
|
if _, err := testEnv.client.CoreV1().PersistentVolumeClaims(newPVC.Namespace).Update(context.TODO(), newPVC, metav1.UpdateOptions{}); err != nil {
|
|
t.Errorf("failed to update PVC %q: %v", newPVC.Name, err)
|
|
}
|
|
},
|
|
},
|
|
"bound-by-pv-controller-before-bind": {
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
apiPV: pvNode1aBound,
|
|
apiPVC: boundPVCNode1a,
|
|
shouldFail: true, // bindAPIUpdate will fail because API conflict
|
|
},
|
|
"pod-deleted-after-time": {
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
delayFunc: func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim) {
|
|
bindingsCache := testEnv.binder.GetBindingsCache()
|
|
if bindingsCache == nil {
|
|
t.Fatalf("Failed to get bindings cache")
|
|
}
|
|
|
|
// Delete the pod from the cache
|
|
bindingsCache.DeleteBindings(pod)
|
|
|
|
// Check that it's deleted
|
|
bindings := bindingsCache.GetBindings(pod, "node1")
|
|
if bindings != nil {
|
|
t.Fatalf("Failed to delete bindings")
|
|
}
|
|
},
|
|
shouldFail: true,
|
|
},
|
|
"binding-times-out": {
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
shouldFail: true,
|
|
},
|
|
"binding-fails": {
|
|
binding: makeBinding(unboundPVC2, pvNode1bBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1b},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC2},
|
|
shouldFail: true,
|
|
},
|
|
"check-fails": {
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1a},
|
|
initPVCs: []*v1.PersistentVolumeClaim{unboundPVC},
|
|
delayFunc: func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim) {
|
|
pvc := pvcs[0]
|
|
// Delete PVC will fail check
|
|
if err := testEnv.client.CoreV1().PersistentVolumeClaims(pvc.Namespace).Delete(context.TODO(), pvc.Name, &metav1.DeleteOptions{}); err != nil {
|
|
t.Errorf("failed to delete PVC %q: %v", pvc.Name, err)
|
|
}
|
|
},
|
|
shouldFail: true,
|
|
},
|
|
"node-affinity-fails": {
|
|
binding: makeBinding(unboundPVC, pvNode1aBound),
|
|
initPVs: []*v1.PersistentVolume{pvNode1aBound},
|
|
initPVCs: []*v1.PersistentVolumeClaim{boundPVCNode1a},
|
|
nodes: []*v1.Node{node1NoLabels},
|
|
shouldFail: true,
|
|
},
|
|
"node-affinity-fails-dynamic-provisioning": {
|
|
initPVs: []*v1.PersistentVolume{pvNode1a, pvNode2},
|
|
initPVCs: []*v1.PersistentVolumeClaim{selectedNodePVC},
|
|
claimToProvision: selectedNodePVC,
|
|
nodes: []*v1.Node{node1, node2},
|
|
delayFunc: func(t *testing.T, testEnv *testEnv, pod *v1.Pod, pvs []*v1.PersistentVolume, pvcs []*v1.PersistentVolumeClaim) {
|
|
// Update PVC to be fully bound to a PV with a different node
|
|
newPVC := pvcs[0].DeepCopy()
|
|
newPVC.Spec.VolumeName = pvNode2.Name
|
|
metav1.SetMetaDataAnnotation(&newPVC.ObjectMeta, pvutil.AnnBindCompleted, "yes")
|
|
if _, err := testEnv.client.CoreV1().PersistentVolumeClaims(newPVC.Namespace).Update(context.TODO(), newPVC, metav1.UpdateOptions{}); err != nil {
|
|
t.Errorf("failed to update PVC %q: %v", newPVC.Name, err)
|
|
}
|
|
},
|
|
shouldFail: true,
|
|
},
|
|
}
|
|
|
|
run := func(t *testing.T, scenario scenarioType) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Setup
|
|
pod := makePod(nil)
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
if scenario.nodes == nil {
|
|
scenario.nodes = []*v1.Node{node1}
|
|
}
|
|
if !scenario.bindingsNil {
|
|
bindings := []*bindingInfo{}
|
|
if scenario.binding != nil {
|
|
bindings = []*bindingInfo{scenario.binding}
|
|
}
|
|
claimsToProvision := []*v1.PersistentVolumeClaim{}
|
|
if scenario.claimToProvision != nil {
|
|
claimsToProvision = []*v1.PersistentVolumeClaim{scenario.claimToProvision}
|
|
}
|
|
testEnv.initNodes(scenario.nodes)
|
|
testEnv.initVolumes(scenario.initPVs, scenario.initPVs)
|
|
testEnv.initClaims(scenario.initPVCs, scenario.initPVCs)
|
|
testEnv.assumeVolumes(t, "node1", pod, bindings, claimsToProvision)
|
|
}
|
|
|
|
// Before Execute
|
|
if scenario.apiPV != nil {
|
|
_, err := testEnv.client.CoreV1().PersistentVolumes().Update(context.TODO(), scenario.apiPV, metav1.UpdateOptions{})
|
|
if err != nil {
|
|
t.Fatalf("failed to update PV %q", scenario.apiPV.Name)
|
|
}
|
|
}
|
|
if scenario.apiPVC != nil {
|
|
_, err := testEnv.client.CoreV1().PersistentVolumeClaims(scenario.apiPVC.Namespace).Update(context.TODO(), scenario.apiPVC, metav1.UpdateOptions{})
|
|
if err != nil {
|
|
t.Fatalf("failed to update PVC %q", getPVCName(scenario.apiPVC))
|
|
}
|
|
}
|
|
|
|
if scenario.delayFunc != nil {
|
|
go func(scenario scenarioType) {
|
|
time.Sleep(5 * time.Second)
|
|
// Sleep a while to run after bindAPIUpdate in BindPodVolumes
|
|
klog.V(5).Infof("Running delay function")
|
|
scenario.delayFunc(t, testEnv, pod, scenario.initPVs, scenario.initPVCs)
|
|
}(scenario)
|
|
}
|
|
|
|
// Execute
|
|
err := testEnv.binder.BindPodVolumes(pod)
|
|
|
|
// Validate
|
|
if !scenario.shouldFail && err != nil {
|
|
t.Errorf("returned error: %v", err)
|
|
}
|
|
if scenario.shouldFail && err == nil {
|
|
t.Error("returned success but expected error")
|
|
}
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) { run(t, scenario) })
|
|
}
|
|
}
|
|
|
|
func TestFindAssumeVolumes(t *testing.T) {
|
|
// Test case
|
|
podPVCs := []*v1.PersistentVolumeClaim{unboundPVC}
|
|
pvs := []*v1.PersistentVolume{pvNode2, pvNode1a, pvNode1c}
|
|
|
|
// Setup
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
testEnv := newTestBinder(t, ctx.Done())
|
|
testEnv.initVolumes(pvs, pvs)
|
|
testEnv.initClaims(podPVCs, podPVCs)
|
|
pod := makePod(podPVCs)
|
|
|
|
testNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "node1",
|
|
Labels: map[string]string{
|
|
nodeLabelKey: "node1",
|
|
},
|
|
},
|
|
}
|
|
|
|
// Execute
|
|
// 1. Find matching PVs
|
|
reasons, err := testEnv.binder.FindPodVolumes(pod, testNode)
|
|
if err != nil {
|
|
t.Errorf("Test failed: FindPodVolumes returned error: %v", err)
|
|
}
|
|
if len(reasons) > 0 {
|
|
t.Errorf("Test failed: couldn't find PVs for all PVCs: %v", reasons)
|
|
}
|
|
expectedBindings := testEnv.getPodBindings(t, testNode.Name, pod)
|
|
|
|
// 2. Assume matches
|
|
allBound, err := testEnv.binder.AssumePodVolumes(pod, testNode.Name)
|
|
if err != nil {
|
|
t.Errorf("Test failed: AssumePodVolumes returned error: %v", err)
|
|
}
|
|
if allBound {
|
|
t.Errorf("Test failed: detected unbound volumes as bound")
|
|
}
|
|
testEnv.validateAssume(t, pod, expectedBindings, nil)
|
|
|
|
// After assume, claimref should be set on pv
|
|
expectedBindings = testEnv.getPodBindings(t, testNode.Name, pod)
|
|
|
|
// 3. Find matching PVs again
|
|
// This should always return the original chosen pv
|
|
// Run this many times in case sorting returns different orders for the two PVs.
|
|
for i := 0; i < 50; i++ {
|
|
reasons, err := testEnv.binder.FindPodVolumes(pod, testNode)
|
|
if err != nil {
|
|
t.Errorf("Test failed: FindPodVolumes returned error: %v", err)
|
|
}
|
|
if len(reasons) > 0 {
|
|
t.Errorf("Test failed: couldn't find PVs for all PVCs: %v", reasons)
|
|
}
|
|
testEnv.validatePodCache(t, testNode.Name, pod, expectedBindings, nil)
|
|
}
|
|
}
|