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Add glide.yaml and vendor deps

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This commit is contained in:
Dalton Hubble 2016-12-03 22:43:32 -08:00
parent db918f12ad
commit 5b3d5e81bd
18880 changed files with 5166045 additions and 1 deletions
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81
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/BUILD generated vendored Normal file
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package(default_visibility = ["//visibility:public"])
licenses(["notice"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_binary",
"go_library",
"go_test",
"cgo_library",
)
go_library(
name = "go_default_library",
srcs = [
"index.go",
"pv_controller.go",
"pv_controller_base.go",
"volume_host.go",
],
tags = ["automanaged"],
deps = [
"//pkg/api/errors:go_default_library",
"//pkg/api/meta:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/apis/meta/v1:go_default_library",
"//pkg/apis/storage/v1beta1:go_default_library",
"//pkg/apis/storage/v1beta1/util:go_default_library",
"//pkg/client/cache:go_default_library",
"//pkg/client/clientset_generated/release_1_5:go_default_library",
"//pkg/client/clientset_generated/release_1_5/typed/core/v1:go_default_library",
"//pkg/client/record:go_default_library",
"//pkg/cloudprovider:go_default_library",
"//pkg/conversion:go_default_library",
"//pkg/labels:go_default_library",
"//pkg/runtime:go_default_library",
"//pkg/types:go_default_library",
"//pkg/util/goroutinemap:go_default_library",
"//pkg/util/io:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/watch:go_default_library",
"//vendor:github.com/golang/glog",
],
)
go_test(
name = "go_default_test",
srcs = [
"binder_test.go",
"delete_test.go",
"framework_test.go",
"index_test.go",
"provision_test.go",
"pv_controller_test.go",
"recycle_test.go",
],
library = "go_default_library",
tags = ["automanaged"],
deps = [
"//pkg/api/resource:go_default_library",
"//pkg/api/testapi:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/apis/meta/v1:go_default_library",
"//pkg/apis/storage/v1beta1:go_default_library",
"//pkg/apis/storage/v1beta1/util:go_default_library",
"//pkg/client/cache:go_default_library",
"//pkg/client/clientset_generated/release_1_5:go_default_library",
"//pkg/client/clientset_generated/release_1_5/fake:go_default_library",
"//pkg/client/record:go_default_library",
"//pkg/client/testing/cache:go_default_library",
"//pkg/client/testing/core:go_default_library",
"//pkg/conversion:go_default_library",
"//pkg/runtime:go_default_library",
"//pkg/types:go_default_library",
"//pkg/util/diff:go_default_library",
"//pkg/util/wait:go_default_library",
"//pkg/volume:go_default_library",
"//vendor:github.com/golang/glog",
],
)

4
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/OWNERS generated vendored Normal file
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assignees:
- jsafrane
- saad-ali
- thockin

555
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/binder_test.go generated vendored Normal file
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vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/delete_test.go generated vendored Normal file
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/*
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"
"testing"
"k8s.io/kubernetes/pkg/api/v1"
storage "k8s.io/kubernetes/pkg/apis/storage/v1beta1"
)
// Test single call to syncVolume, expecting recycling to happen.
// 1. Fill in the controller with initial data
// 2. Call the syncVolume *once*.
// 3. Compare resulting volumes with expected volumes.
func TestDeleteSync(t *testing.T) {
tests := []controllerTest{
{
// delete volume bound by controller
"8-1 - successful delete",
newVolumeArray("volume8-1", "1Gi", "uid8-1", "claim8-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController),
novolumes,
noclaims,
noclaims,
noevents, noerrors,
// Inject deleter into the controller and call syncVolume. The
// deleter simulates one delete() call that succeeds.
wrapTestWithReclaimCalls(operationDelete, []error{nil}, testSyncVolume),
},
{
// delete volume bound by user
"8-2 - successful delete with prebound volume",
newVolumeArray("volume8-2", "1Gi", "uid8-2", "claim8-2", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
novolumes,
noclaims,
noclaims,
noevents, noerrors,
// Inject deleter into the controller and call syncVolume. The
// deleter simulates one delete() call that succeeds.
wrapTestWithReclaimCalls(operationDelete, []error{nil}, testSyncVolume),
},
{
// delete failure - plugin not found
"8-3 - plugin not found",
newVolumeArray("volume8-3", "1Gi", "uid8-3", "claim8-3", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
withMessage("Error getting deleter volume plugin for volume \"volume8-3\": no volume plugin matched", newVolumeArray("volume8-3", "1Gi", "uid8-3", "claim8-3", v1.VolumeFailed, v1.PersistentVolumeReclaimDelete)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedDelete"}, noerrors, testSyncVolume,
},
{
// delete failure - newDeleter returns error
"8-4 - newDeleter returns error",
newVolumeArray("volume8-4", "1Gi", "uid8-4", "claim8-4", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
withMessage("Failed to create deleter for volume \"volume8-4\": Mock plugin error: no deleteCalls configured", newVolumeArray("volume8-4", "1Gi", "uid8-4", "claim8-4", v1.VolumeFailed, v1.PersistentVolumeReclaimDelete)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedDelete"}, noerrors,
wrapTestWithReclaimCalls(operationDelete, []error{}, testSyncVolume),
},
{
// delete failure - delete() returns error
"8-5 - delete returns error",
newVolumeArray("volume8-5", "1Gi", "uid8-5", "claim8-5", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
withMessage("Mock delete error", newVolumeArray("volume8-5", "1Gi", "uid8-5", "claim8-5", v1.VolumeFailed, v1.PersistentVolumeReclaimDelete)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedDelete"}, noerrors,
wrapTestWithReclaimCalls(operationDelete, []error{errors.New("Mock delete error")}, testSyncVolume),
},
{
// delete success(?) - volume is deleted before doDelete() starts
"8-6 - volume is deleted before deleting",
newVolumeArray("volume8-6", "1Gi", "uid8-6", "claim8-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
novolumes,
noclaims,
noclaims,
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithReclaimCalls(operationDelete, []error{}, testSyncVolume), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Delete the volume before delete operation starts
reactor.lock.Lock()
delete(reactor.volumes, "volume8-6")
reactor.lock.Unlock()
}),
},
{
// delete success(?) - volume is bound just at the time doDelete()
// starts. This simulates "volume no longer needs recycling,
// skipping".
"8-7 - volume is bound before deleting",
newVolumeArray("volume8-7", "1Gi", "uid8-7", "claim8-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController),
newVolumeArray("volume8-7", "1Gi", "uid8-7", "claim8-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController),
noclaims,
newClaimArray("claim8-7", "uid8-7", "10Gi", "volume8-7", v1.ClaimBound),
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithReclaimCalls(operationDelete, []error{}, testSyncVolume), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
reactor.lock.Lock()
defer reactor.lock.Unlock()
// Bind the volume to resurrected claim (this should never
// happen)
claim := newClaim("claim8-7", "uid8-7", "10Gi", "volume8-7", v1.ClaimBound)
reactor.claims[claim.Name] = claim
ctrl.claims.Add(claim)
volume := reactor.volumes["volume8-7"]
volume.Status.Phase = v1.VolumeBound
}),
},
{
// delete success - volume bound by user is deleted, while a new
// claim is created with another UID.
"8-9 - prebound volume is deleted while the claim exists",
newVolumeArray("volume8-9", "1Gi", "uid8-9", "claim8-9", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
novolumes,
newClaimArray("claim8-9", "uid8-9-x", "10Gi", "", v1.ClaimPending),
newClaimArray("claim8-9", "uid8-9-x", "10Gi", "", v1.ClaimPending),
noevents, noerrors,
// Inject deleter into the controller and call syncVolume. The
// deleter simulates one delete() call that succeeds.
wrapTestWithReclaimCalls(operationDelete, []error{nil}, testSyncVolume),
},
{
// PV requires external deleter
"8-10 - external deleter",
newVolumeArray("volume8-10", "1Gi", "uid10-1", "claim10-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController),
newVolumeArray("volume8-10", "1Gi", "uid10-1", "claim10-1", v1.VolumeReleased, v1.PersistentVolumeReclaimDelete, annBoundByController),
noclaims,
noclaims,
noevents, noerrors,
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
// Inject external deleter annotation
test.initialVolumes[0].Annotations[annDynamicallyProvisioned] = "external.io/test"
test.expectedVolumes[0].Annotations[annDynamicallyProvisioned] = "external.io/test"
return testSyncVolume(ctrl, reactor, test)
},
},
{
// delete success - two PVs are provisioned for a single claim.
// One of the PVs is deleted.
"8-11 - two PVs provisioned for a single claim",
[]*v1.PersistentVolume{
newVolume("volume8-11-1", "1Gi", "uid8-11", "claim8-11", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
newVolume("volume8-11-2", "1Gi", "uid8-11", "claim8-11", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
},
[]*v1.PersistentVolume{
newVolume("volume8-11-2", "1Gi", "uid8-11", "claim8-11", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
},
// the claim is bound to volume8-11-2 -> volume8-11-1 has lost the race and will be deleted
newClaimArray("claim8-11", "uid8-11", "10Gi", "volume8-11-2", v1.ClaimBound),
newClaimArray("claim8-11", "uid8-11", "10Gi", "volume8-11-2", v1.ClaimBound),
noevents, noerrors,
// Inject deleter into the controller and call syncVolume. The
// deleter simulates one delete() call that succeeds.
wrapTestWithReclaimCalls(operationDelete, []error{nil}, testSyncVolume),
},
{
// delete success - two PVs are externally provisioned for a single
// claim. One of the PVs is marked as Released to be deleted by the
// external provisioner.
"8-12 - two PVs externally provisioned for a single claim",
[]*v1.PersistentVolume{
newVolume("volume8-12-1", "1Gi", "uid8-12", "claim8-12", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
newVolume("volume8-12-2", "1Gi", "uid8-12", "claim8-12", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
},
[]*v1.PersistentVolume{
newVolume("volume8-12-1", "1Gi", "uid8-12", "claim8-12", v1.VolumeReleased, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
newVolume("volume8-12-2", "1Gi", "uid8-12", "claim8-12", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annDynamicallyProvisioned),
},
// the claim is bound to volume8-12-2 -> volume8-12-1 has lost the race and will be "Released"
newClaimArray("claim8-12", "uid8-12", "10Gi", "volume8-12-2", v1.ClaimBound),
newClaimArray("claim8-12", "uid8-12", "10Gi", "volume8-12-2", v1.ClaimBound),
noevents, noerrors,
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
// Inject external deleter annotation
test.initialVolumes[0].Annotations[annDynamicallyProvisioned] = "external.io/test"
test.expectedVolumes[0].Annotations[annDynamicallyProvisioned] = "external.io/test"
return testSyncVolume(ctrl, reactor, test)
},
},
}
runSyncTests(t, tests, []*storage.StorageClass{})
}
// Test multiple calls to syncClaim/syncVolume and periodic sync of all
// volume/claims. The test follows this pattern:
// 0. Load the controller with initial data.
// 1. Call controllerTest.testCall() once as in TestSync()
// 2. For all volumes/claims changed by previous syncVolume/syncClaim calls,
// call appropriate syncVolume/syncClaim (simulating "volume/claim changed"
// events). Go to 2. if these calls change anything.
// 3. When all changes are processed and no new changes were made, call
// syncVolume/syncClaim on all volumes/claims (simulating "periodic sync").
// 4. If some changes were done by step 3., go to 2. (simulation of
// "volume/claim updated" events, eventually performing step 3. again)
// 5. When 3. does not do any changes, finish the tests and compare final set
// of volumes/claims with expected claims/volumes and report differences.
// Some limit of calls in enforced to prevent endless loops.
func TestDeleteMultiSync(t *testing.T) {
tests := []controllerTest{
{
// delete failure - delete returns error. The controller should
// try again.
"9-1 - delete returns error",
newVolumeArray("volume9-1", "1Gi", "uid9-1", "claim9-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete),
novolumes,
noclaims,
noclaims,
[]string{"Warning VolumeFailedDelete"}, noerrors,
wrapTestWithReclaimCalls(operationDelete, []error{errors.New("Mock delete error"), nil}, testSyncVolume),
},
}
runMultisyncTests(t, tests, []*storage.StorageClass{}, "")
}

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vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/framework_test.go generated vendored Normal file
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vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/index.go generated vendored Normal file
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/*
Copyright 2014 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 (
"fmt"
"sort"
"k8s.io/kubernetes/pkg/api/v1"
metav1 "k8s.io/kubernetes/pkg/apis/meta/v1"
storageutil "k8s.io/kubernetes/pkg/apis/storage/v1beta1/util"
"k8s.io/kubernetes/pkg/client/cache"
"k8s.io/kubernetes/pkg/labels"
)
// persistentVolumeOrderedIndex is a cache.Store that keeps persistent volumes
// indexed by AccessModes and ordered by storage capacity.
type persistentVolumeOrderedIndex struct {
store cache.Indexer
}
func newPersistentVolumeOrderedIndex() persistentVolumeOrderedIndex {
return persistentVolumeOrderedIndex{cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{"accessmodes": accessModesIndexFunc})}
}
// accessModesIndexFunc is an indexing function that returns a persistent
// volume's AccessModes as a string
func accessModesIndexFunc(obj interface{}) ([]string, error) {
if pv, ok := obj.(*v1.PersistentVolume); ok {
modes := v1.GetAccessModesAsString(pv.Spec.AccessModes)
return []string{modes}, nil
}
return []string{""}, fmt.Errorf("object is not a persistent volume: %v", obj)
}
// listByAccessModes returns all volumes with the given set of
// AccessModeTypes. The list is unsorted!
func (pvIndex *persistentVolumeOrderedIndex) listByAccessModes(modes []v1.PersistentVolumeAccessMode) ([]*v1.PersistentVolume, error) {
pv := &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
AccessModes: modes,
},
}
objs, err := pvIndex.store.Index("accessmodes", pv)
if err != nil {
return nil, err
}
volumes := make([]*v1.PersistentVolume, len(objs))
for i, obj := range objs {
volumes[i] = obj.(*v1.PersistentVolume)
}
return volumes, nil
}
// matchPredicate is a function that indicates that a persistent volume matches another
type matchPredicate func(compareThis, toThis *v1.PersistentVolume) bool
// find returns the nearest PV from the ordered list or nil if a match is not found
func (pvIndex *persistentVolumeOrderedIndex) findByClaim(claim *v1.PersistentVolumeClaim, matchPredicate matchPredicate) (*v1.PersistentVolume, error) {
// PVs are indexed by their access modes to allow easier searching. Each
// index is the string representation of a set of access modes. There is a
// finite number of possible sets and PVs will only be indexed in one of
// them (whichever index matches the PV's modes).
//
// A request for resources will always specify its desired access modes.
// Any matching PV must have at least that number of access modes, but it
// can have more. For example, a user asks for ReadWriteOnce but a GCEPD
// is available, which is ReadWriteOnce+ReadOnlyMany.
//
// Searches are performed against a set of access modes, so we can attempt
// not only the exact matching modes but also potential matches (the GCEPD
// example above).
allPossibleModes := pvIndex.allPossibleMatchingAccessModes(claim.Spec.AccessModes)
var smallestVolume *v1.PersistentVolume
var smallestVolumeSize int64
requestedQty := claim.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
requestedSize := requestedQty.Value()
requestedClass := storageutil.GetClaimStorageClass(claim)
var selector labels.Selector
if claim.Spec.Selector != nil {
internalSelector, err := metav1.LabelSelectorAsSelector(claim.Spec.Selector)
if err != nil {
// should be unreachable code due to validation
return nil, fmt.Errorf("error creating internal label selector for claim: %v: %v", claimToClaimKey(claim), err)
}
selector = internalSelector
}
for _, modes := range allPossibleModes {
volumes, err := pvIndex.listByAccessModes(modes)
if err != nil {
return nil, err
}
// Go through all available volumes with two goals:
// - find a volume that is either pre-bound by user or dynamically
// provisioned for this claim. Because of this we need to loop through
// all volumes.
// - find the smallest matching one if there is no volume pre-bound to
// the claim.
for _, volume := range volumes {
if isVolumeBoundToClaim(volume, claim) {
// this claim and volume are pre-bound; return
// the volume if the size request is satisfied,
// otherwise continue searching for a match
volumeQty := volume.Spec.Capacity[v1.ResourceStorage]
volumeSize := volumeQty.Value()
if volumeSize < requestedSize {
continue
}
return volume, nil
}
// In Alpha dynamic provisioning, we do now want not match claims
// with existing PVs, findByClaim must find only PVs that are
// pre-bound to the claim (by dynamic provisioning). TODO: remove in
// 1.5
if v1.HasAnnotation(claim.ObjectMeta, storageutil.AlphaStorageClassAnnotation) {
continue
}
// filter out:
// - volumes bound to another claim
// - volumes whose labels don't match the claim's selector, if specified
// - volumes in Class that is not requested
if volume.Spec.ClaimRef != nil {
continue
} else if selector != nil && !selector.Matches(labels.Set(volume.Labels)) {
continue
}
if storageutil.GetVolumeStorageClass(volume) != requestedClass {
continue
}
volumeQty := volume.Spec.Capacity[v1.ResourceStorage]
volumeSize := volumeQty.Value()
if volumeSize >= requestedSize {
if smallestVolume == nil || smallestVolumeSize > volumeSize {
smallestVolume = volume
smallestVolumeSize = volumeSize
}
}
}
if smallestVolume != nil {
// Found a matching volume
return smallestVolume, nil
}
}
return nil, nil
}
// findBestMatchForClaim is a convenience method that finds a volume by the claim's AccessModes and requests for Storage
func (pvIndex *persistentVolumeOrderedIndex) findBestMatchForClaim(claim *v1.PersistentVolumeClaim) (*v1.PersistentVolume, error) {
return pvIndex.findByClaim(claim, matchStorageCapacity)
}
// matchStorageCapacity is a matchPredicate used to sort and find volumes
func matchStorageCapacity(pvA, pvB *v1.PersistentVolume) bool {
aQty := pvA.Spec.Capacity[v1.ResourceStorage]
bQty := pvB.Spec.Capacity[v1.ResourceStorage]
aSize := aQty.Value()
bSize := bQty.Value()
return aSize <= bSize
}
// allPossibleMatchingAccessModes returns an array of AccessMode arrays that
// can satisfy a user's requested modes.
//
// see comments in the Find func above regarding indexing.
//
// allPossibleMatchingAccessModes gets all stringified accessmodes from the
// index and returns all those that contain at least all of the requested
// mode.
//
// For example, assume the index contains 2 types of PVs where the stringified
// accessmodes are:
//
// "RWO,ROX" -- some number of GCEPDs
// "RWO,ROX,RWX" -- some number of NFS volumes
//
// A request for RWO could be satisfied by both sets of indexed volumes, so
// allPossibleMatchingAccessModes returns:
//
// [][]v1.PersistentVolumeAccessMode {
// []v1.PersistentVolumeAccessMode {
// v1.ReadWriteOnce, v1.ReadOnlyMany,
// },
// []v1.PersistentVolumeAccessMode {
// v1.ReadWriteOnce, v1.ReadOnlyMany, v1.ReadWriteMany,
// },
// }
//
// A request for RWX can be satisfied by only one set of indexed volumes, so
// the return is:
//
// [][]v1.PersistentVolumeAccessMode {
// []v1.PersistentVolumeAccessMode {
// v1.ReadWriteOnce, v1.ReadOnlyMany, v1.ReadWriteMany,
// },
// }
//
// This func returns modes with ascending levels of modes to give the user
// what is closest to what they actually asked for.
func (pvIndex *persistentVolumeOrderedIndex) allPossibleMatchingAccessModes(requestedModes []v1.PersistentVolumeAccessMode) [][]v1.PersistentVolumeAccessMode {
matchedModes := [][]v1.PersistentVolumeAccessMode{}
keys := pvIndex.store.ListIndexFuncValues("accessmodes")
for _, key := range keys {
indexedModes := v1.GetAccessModesFromString(key)
if containedInAll(indexedModes, requestedModes) {
matchedModes = append(matchedModes, indexedModes)
}
}
// sort by the number of modes in each array with the fewest number of
// modes coming first. this allows searching for volumes by the minimum
// number of modes required of the possible matches.
sort.Sort(byAccessModes{matchedModes})
return matchedModes
}
func contains(modes []v1.PersistentVolumeAccessMode, mode v1.PersistentVolumeAccessMode) bool {
for _, m := range modes {
if m == mode {
return true
}
}
return false
}
func containedInAll(indexedModes []v1.PersistentVolumeAccessMode, requestedModes []v1.PersistentVolumeAccessMode) bool {
for _, mode := range requestedModes {
if !contains(indexedModes, mode) {
return false
}
}
return true
}
// byAccessModes is used to order access modes by size, with the fewest modes first
type byAccessModes struct {
modes [][]v1.PersistentVolumeAccessMode
}
func (c byAccessModes) Less(i, j int) bool {
return len(c.modes[i]) < len(c.modes[j])
}
func (c byAccessModes) Swap(i, j int) {
c.modes[i], c.modes[j] = c.modes[j], c.modes[i]
}
func (c byAccessModes) Len() int {
return len(c.modes)
}
func claimToClaimKey(claim *v1.PersistentVolumeClaim) string {
return fmt.Sprintf("%s/%s", claim.Namespace, claim.Name)
}
func claimrefToClaimKey(claimref *v1.ObjectReference) string {
return fmt.Sprintf("%s/%s", claimref.Namespace, claimref.Name)
}

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vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/options/BUILD generated vendored Normal file
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package(default_visibility = ["//visibility:public"])
licenses(["notice"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_binary",
"go_library",
"go_test",
"cgo_library",
)
go_library(
name = "go_default_library",
srcs = ["options.go"],
tags = ["automanaged"],
deps = ["//vendor:github.com/spf13/pflag"],
)

91
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/options/options.go generated vendored Normal file
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/*
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 options
import (
"time"
"github.com/spf13/pflag"
)
// VolumeConfigFlags is used to bind CLI flags to variables. This top-level struct contains *all* enumerated
// CLI flags meant to configure all volume plugins. From this config, the binary will create many instances
// of volume.VolumeConfig which are then passed to the appropriate plugin. The ControllerManager binary is the only
// part of the code which knows what plugins are supported and which CLI flags correspond to each plugin.
type VolumeConfigFlags struct {
PersistentVolumeRecyclerMaximumRetry int
PersistentVolumeRecyclerMinimumTimeoutNFS int
PersistentVolumeRecyclerPodTemplateFilePathNFS string
PersistentVolumeRecyclerIncrementTimeoutNFS int
PersistentVolumeRecyclerPodTemplateFilePathHostPath string
PersistentVolumeRecyclerMinimumTimeoutHostPath int
PersistentVolumeRecyclerIncrementTimeoutHostPath int
EnableHostPathProvisioning bool
EnableDynamicProvisioning bool
}
type PersistentVolumeControllerOptions struct {
PVClaimBinderSyncPeriod time.Duration
VolumeConfigFlags VolumeConfigFlags
}
func NewPersistentVolumeControllerOptions() PersistentVolumeControllerOptions {
return PersistentVolumeControllerOptions{
PVClaimBinderSyncPeriod: 15 * time.Second,
VolumeConfigFlags: VolumeConfigFlags{
// default values here
PersistentVolumeRecyclerMaximumRetry: 3,
PersistentVolumeRecyclerMinimumTimeoutNFS: 300,
PersistentVolumeRecyclerIncrementTimeoutNFS: 30,
PersistentVolumeRecyclerMinimumTimeoutHostPath: 60,
PersistentVolumeRecyclerIncrementTimeoutHostPath: 30,
EnableHostPathProvisioning: false,
EnableDynamicProvisioning: true,
},
}
}
func (o *PersistentVolumeControllerOptions) AddFlags(fs *pflag.FlagSet) {
fs.DurationVar(&o.PVClaimBinderSyncPeriod, "pvclaimbinder-sync-period", o.PVClaimBinderSyncPeriod,
"The period for syncing persistent volumes and persistent volume claims")
fs.StringVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
"pv-recycler-pod-template-filepath-nfs", o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
"The file path to a pod definition used as a template for NFS persistent volume recycling")
fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutNFS, "pv-recycler-minimum-timeout-nfs",
o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutNFS, "The minimum ActiveDeadlineSeconds to use for an NFS Recycler pod")
fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutNFS, "pv-recycler-increment-timeout-nfs",
o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutNFS, "the increment of time added per Gi to ActiveDeadlineSeconds for an NFS scrubber pod")
fs.StringVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathHostPath, "pv-recycler-pod-template-filepath-hostpath",
o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathHostPath,
"The file path to a pod definition used as a template for HostPath persistent volume recycling. "+
"This is for development and testing only and will not work in a multi-node cluster.")
fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutHostPath, "pv-recycler-minimum-timeout-hostpath",
o.VolumeConfigFlags.PersistentVolumeRecyclerMinimumTimeoutHostPath,
"The minimum ActiveDeadlineSeconds to use for a HostPath Recycler pod. This is for development and testing only and will not work in a multi-node cluster.")
fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutHostPath, "pv-recycler-timeout-increment-hostpath",
o.VolumeConfigFlags.PersistentVolumeRecyclerIncrementTimeoutHostPath,
"the increment of time added per Gi to ActiveDeadlineSeconds for a HostPath scrubber pod. "+
"This is for development and testing only and will not work in a multi-node cluster.")
fs.IntVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerMaximumRetry, "pv-recycler-maximum-retry",
o.VolumeConfigFlags.PersistentVolumeRecyclerMaximumRetry,
"Maximum number of attempts to recycle or delete a persistent volume")
fs.BoolVar(&o.VolumeConfigFlags.EnableHostPathProvisioning, "enable-hostpath-provisioner", o.VolumeConfigFlags.EnableHostPathProvisioning,
"Enable HostPath PV provisioning when running without a cloud provider. This allows testing and development of provisioning features. "+
"HostPath provisioning is not supported in any way, won't work in a multi-node cluster, and should not be used for anything other than testing or development.")
fs.BoolVar(&o.VolumeConfigFlags.EnableDynamicProvisioning, "enable-dynamic-provisioning", o.VolumeConfigFlags.EnableDynamicProvisioning,
"Enable dynamic provisioning for environments that support it.")
}

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/*
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"
"testing"
"k8s.io/kubernetes/pkg/api/v1"
metav1 "k8s.io/kubernetes/pkg/apis/meta/v1"
storage "k8s.io/kubernetes/pkg/apis/storage/v1beta1"
storageutil "k8s.io/kubernetes/pkg/apis/storage/v1beta1/util"
)
var class1Parameters = map[string]string{
"param1": "value1",
}
var class2Parameters = map[string]string{
"param2": "value2",
}
var storageClasses = []*storage.StorageClass{
{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
ObjectMeta: v1.ObjectMeta{
Name: "gold",
},
Provisioner: mockPluginName,
Parameters: class1Parameters,
},
{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
ObjectMeta: v1.ObjectMeta{
Name: "silver",
},
Provisioner: mockPluginName,
Parameters: class2Parameters,
},
{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
ObjectMeta: v1.ObjectMeta{
Name: "external",
},
Provisioner: "vendor.com/my-volume",
Parameters: class1Parameters,
},
{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
ObjectMeta: v1.ObjectMeta{
Name: "unknown-internal",
},
Provisioner: "kubernetes.io/unknown",
Parameters: class1Parameters,
},
}
// call to storageClass 1, returning an error
var provision1Error = provisionCall{
ret: errors.New("Mock provisioner error"),
expectedParameters: class1Parameters,
}
// call to storageClass 1, returning a valid PV
var provision1Success = provisionCall{
ret: nil,
expectedParameters: class1Parameters,
}
// call to storageClass 2, returning a valid PV
var provision2Success = provisionCall{
ret: nil,
expectedParameters: class2Parameters,
}
var provisionAlphaSuccess = provisionCall{
ret: nil,
}
// Test single call to syncVolume, expecting provisioning to happen.
// 1. Fill in the controller with initial data
// 2. Call the syncVolume *once*.
// 3. Compare resulting volumes with expected volumes.
func TestProvisionSync(t *testing.T) {
tests := []controllerTest{
{
// Provision a volume (with a default class)
"11-1 - successful provision with storage class 1",
novolumes,
newVolumeArray("pvc-uid11-1", "1Gi", "uid11-1", "claim11-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned, storageutil.StorageClassAnnotation),
newClaimArray("claim11-1", "uid11-1", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
// Binding will be completed in the next syncClaim
newClaimArray("claim11-1", "uid11-1", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Normal ProvisioningSucceeded"}, noerrors, wrapTestWithProvisionCalls([]provisionCall{provision1Success}, testSyncClaim),
},
{
// Provision failure - plugin not found
"11-2 - plugin not found",
novolumes,
novolumes,
newClaimArray("claim11-2", "uid11-2", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-2", "uid11-2", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
[]string{"Warning ProvisioningFailed"}, noerrors,
testSyncClaim,
},
{
// Provision failure - newProvisioner returns error
"11-3 - newProvisioner failure",
novolumes,
novolumes,
newClaimArray("claim11-3", "uid11-3", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-3", "uid11-3", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed"}, noerrors,
wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
{
// Provision failure - Provision returns error
"11-4 - provision failure",
novolumes,
novolumes,
newClaimArray("claim11-4", "uid11-4", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-4", "uid11-4", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed"}, noerrors,
wrapTestWithProvisionCalls([]provisionCall{provision1Error}, testSyncClaim),
},
{
// No provisioning if there is a matching volume available
"11-6 - provisioning when there is a volume available",
newVolumeArray("volume11-6", "1Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, storageutil.StorageClassAnnotation),
newVolumeArray("volume11-6", "1Gi", "uid11-6", "claim11-6", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, annBoundByController, storageutil.StorageClassAnnotation),
newClaimArray("claim11-6", "uid11-6", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-6", "uid11-6", "1Gi", "volume11-6", v1.ClaimBound, storageutil.StorageClassAnnotation, annBoundByController, annBindCompleted),
noevents, noerrors,
// No provisioning plugin confingure - makes the test fail when
// the controller errorneously tries to provision something
wrapTestWithProvisionCalls([]provisionCall{provision1Success}, testSyncClaim),
},
{
// Provision success? - claim is bound before provisioner creates
// a volume.
"11-7 - claim is bound before provisioning",
novolumes,
newVolumeArray("pvc-uid11-7", "1Gi", "uid11-7", "claim11-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned, storageutil.StorageClassAnnotation),
newClaimArray("claim11-7", "uid11-7", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
// The claim would be bound in next syncClaim
newClaimArray("claim11-7", "uid11-7", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Create a volume before provisionClaimOperation starts.
// This similates a parallel controller provisioning the volume.
reactor.lock.Lock()
volume := newVolume("pvc-uid11-7", "1Gi", "uid11-7", "claim11-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned, storageutil.StorageClassAnnotation)
reactor.volumes[volume.Name] = volume
reactor.lock.Unlock()
}),
},
{
// Provision success - cannot save provisioned PV once,
// second retry succeeds
"11-8 - cannot save provisioned volume",
novolumes,
newVolumeArray("pvc-uid11-8", "1Gi", "uid11-8", "claim11-8", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned, storageutil.StorageClassAnnotation),
newClaimArray("claim11-8", "uid11-8", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
// Binding will be completed in the next syncClaim
newClaimArray("claim11-8", "uid11-8", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Normal ProvisioningSucceeded"},
[]reactorError{
// Inject error to the first
// kubeclient.PersistentVolumes.Create() call. All other calls
// will succeed.
{"create", "persistentvolumes", errors.New("Mock creation error")},
},
wrapTestWithProvisionCalls([]provisionCall{provision1Success}, testSyncClaim),
},
{
// Provision success? - cannot save provisioned PV five times,
// volume is deleted and delete succeeds
"11-9 - cannot save provisioned volume, delete succeeds",
novolumes,
novolumes,
newClaimArray("claim11-9", "uid11-9", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-9", "uid11-9", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithPluginCalls(
nil, // recycle calls
[]error{nil}, // delete calls
[]provisionCall{provision1Success}, // provision calls
testSyncClaim,
),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete failed - no plugin found
"11-10 - cannot save provisioned volume, no delete plugin found",
novolumes,
novolumes,
newClaimArray("claim11-10", "uid11-10", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-10", "uid11-10", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed", "Warning ProvisioningCleanupFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
// No deleteCalls are configured, which results into no deleter plugin available for the volume
wrapTestWithProvisionCalls([]provisionCall{provision1Success}, testSyncClaim),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete failed - deleter returns error five times
"11-11 - cannot save provisioned volume, deleter fails",
novolumes,
novolumes,
newClaimArray("claim11-11", "uid11-11", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-11", "uid11-11", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed", "Warning ProvisioningCleanupFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithPluginCalls(
nil, // recycle calls
[]error{ // delete calls
errors.New("Mock deletion error1"),
errors.New("Mock deletion error2"),
errors.New("Mock deletion error3"),
errors.New("Mock deletion error4"),
errors.New("Mock deletion error5"),
},
[]provisionCall{provision1Success}, // provision calls
testSyncClaim),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete succeeds 2nd time
"11-12 - cannot save provisioned volume, delete succeeds 2nd time",
novolumes,
novolumes,
newClaimArray("claim11-12", "uid11-12", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim11-12", "uid11-12", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation, annStorageProvisioner),
[]string{"Warning ProvisioningFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithPluginCalls(
nil, // recycle calls
[]error{ // delete calls
errors.New("Mock deletion error1"),
nil,
}, // provison calls
[]provisionCall{provision1Success},
testSyncClaim,
),
},
{
// Provision a volume (with non-default class)
"11-13 - successful provision with storage class 2",
novolumes,
volumeWithClass("silver", newVolumeArray("pvc-uid11-13", "1Gi", "uid11-13", "claim11-13", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned)),
claimWithClass("silver", newClaimArray("claim11-13", "uid11-13", "1Gi", "", v1.ClaimPending)),
// Binding will be completed in the next syncClaim
claimWithClass("silver", newClaimArray("claim11-13", "uid11-13", "1Gi", "", v1.ClaimPending, annStorageProvisioner)),
[]string{"Normal ProvisioningSucceeded"}, noerrors, wrapTestWithProvisionCalls([]provisionCall{provision2Success}, testSyncClaim),
},
{
// Provision error - non existing class
"11-14 - fail due to non-existing class",
novolumes,
novolumes,
claimWithClass("non-existing", newClaimArray("claim11-14", "uid11-14", "1Gi", "", v1.ClaimPending)),
claimWithClass("non-existing", newClaimArray("claim11-14", "uid11-14", "1Gi", "", v1.ClaimPending)),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
{
// No provisioning with class=""
"11-15 - no provisioning with class=''",
novolumes,
novolumes,
claimWithClass("", newClaimArray("claim11-15", "uid11-15", "1Gi", "", v1.ClaimPending)),
claimWithClass("", newClaimArray("claim11-15", "uid11-15", "1Gi", "", v1.ClaimPending)),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
{
// No provisioning with class=nil
"11-16 - no provisioning with class=nil",
novolumes,
novolumes,
newClaimArray("claim11-15", "uid11-15", "1Gi", "", v1.ClaimPending),
newClaimArray("claim11-15", "uid11-15", "1Gi", "", v1.ClaimPending),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
{
// No provisioning + normal event with external provisioner
"11-17 - external provisioner",
novolumes,
novolumes,
claimWithClass("external", newClaimArray("claim11-17", "uid11-17", "1Gi", "", v1.ClaimPending)),
claimWithAnnotation(annStorageProvisioner, "vendor.com/my-volume",
claimWithClass("external", newClaimArray("claim11-17", "uid11-17", "1Gi", "", v1.ClaimPending))),
[]string{"Normal ExternalProvisioning"},
noerrors, wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
{
// No provisioning + warning event with unknown internal provisioner
"11-18 - unknown internal provisioner",
novolumes,
novolumes,
claimWithClass("unknown-internal", newClaimArray("claim11-18", "uid11-18", "1Gi", "", v1.ClaimPending)),
claimWithClass("unknown-internal", newClaimArray("claim11-18", "uid11-18", "1Gi", "", v1.ClaimPending)),
[]string{"Warning ProvisioningFailed"},
noerrors, wrapTestWithProvisionCalls([]provisionCall{}, testSyncClaim),
},
}
runSyncTests(t, tests, storageClasses)
}
func TestAlphaProvisionSync(t *testing.T) {
tests := []controllerTest{
{
// Provision a volume with alpha annotation
"14-1 - successful alpha provisioning",
novolumes,
newVolumeArray("pvc-uid14-1", "1Gi", "uid14-1", "claim14-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned),
newClaimArray("claim14-1", "uid14-1", "1Gi", "", v1.ClaimPending, storageutil.AlphaStorageClassAnnotation),
// Binding will be completed in the next syncClaim
newClaimArray("claim14-1", "uid14-1", "1Gi", "", v1.ClaimPending, storageutil.AlphaStorageClassAnnotation, annStorageProvisioner),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{provisionAlphaSuccess}, testSyncClaim),
},
{
// Provision success - there is already a volume available, still
// we provision a new one when requested.
"14-2 - no alpha provisioning when there is a volume available",
newVolumeArray("volume14-2", "1Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain),
[]*v1.PersistentVolume{
newVolume("volume14-2", "1Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain),
newVolume("pvc-uid14-2", "1Gi", "uid14-2", "claim14-2", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned),
},
newClaimArray("claim14-2", "uid14-2", "1Gi", "", v1.ClaimPending, storageutil.AlphaStorageClassAnnotation),
// Binding will be completed in the next syncClaim
newClaimArray("claim14-2", "uid14-2", "1Gi", "", v1.ClaimPending, storageutil.AlphaStorageClassAnnotation, annStorageProvisioner),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{provisionAlphaSuccess}, testSyncClaim),
},
}
runSyncTests(t, tests, []*storage.StorageClass{})
}
// Test multiple calls to syncClaim/syncVolume and periodic sync of all
// volume/claims. The test follows this pattern:
// 0. Load the controller with initial data.
// 1. Call controllerTest.testCall() once as in TestSync()
// 2. For all volumes/claims changed by previous syncVolume/syncClaim calls,
// call appropriate syncVolume/syncClaim (simulating "volume/claim changed"
// events). Go to 2. if these calls change anything.
// 3. When all changes are processed and no new changes were made, call
// syncVolume/syncClaim on all volumes/claims (simulating "periodic sync").
// 4. If some changes were done by step 3., go to 2. (simulation of
// "volume/claim updated" events, eventually performing step 3. again)
// 5. When 3. does not do any changes, finish the tests and compare final set
// of volumes/claims with expected claims/volumes and report differences.
// Some limit of calls in enforced to prevent endless loops.
func TestProvisionMultiSync(t *testing.T) {
tests := []controllerTest{
{
// Provision a volume with binding
"12-1 - successful provision",
novolumes,
newVolumeArray("pvc-uid12-1", "1Gi", "uid12-1", "claim12-1", v1.VolumeBound, v1.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned, storageutil.StorageClassAnnotation),
newClaimArray("claim12-1", "uid12-1", "1Gi", "", v1.ClaimPending, storageutil.StorageClassAnnotation),
newClaimArray("claim12-1", "uid12-1", "1Gi", "pvc-uid12-1", v1.ClaimBound, storageutil.StorageClassAnnotation, annBoundByController, annBindCompleted, annStorageProvisioner),
noevents, noerrors, wrapTestWithProvisionCalls([]provisionCall{provision1Success}, testSyncClaim),
},
}
runMultisyncTests(t, tests, storageClasses, storageClasses[0].Name)
}
// When provisioning is disabled, provisioning a claim should instantly return nil
func TestDisablingDynamicProvisioner(t *testing.T) {
ctrl := newTestController(nil, nil, nil, nil, false)
retVal := ctrl.provisionClaim(nil)
if retVal != nil {
t.Errorf("Expected nil return but got %v", retVal)
}
}

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/*
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 (
"testing"
"time"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/client/cache"
"k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5/fake"
fcache "k8s.io/kubernetes/pkg/client/testing/cache"
)
// 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),
newVolumeArray("volume5-2", "1Gi", "uid5-2", "claim5-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, annBoundByController),
noclaims, /* added in testAddClaim5_2 */
newClaimArray("claim5-2", "uid5-2", "1Gi", "volume5-2", v1.ClaimBound, annBoundByController, annBindCompleted),
noevents, noerrors,
// Custom test function that generates an add event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
claim := newClaim("claim5-2", "uid5-2", "1Gi", "", v1.ClaimPending)
reactor.addClaimEvent(claim)
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, annBoundByController),
newVolumeArray("volume5-3", "10Gi", "uid5-3", "claim5-3", v1.VolumeReleased, v1.PersistentVolumeReclaimRetain, annBoundByController),
newClaimArray("claim5-3", "uid5-3", "1Gi", "volume5-3", v1.ClaimBound, annBoundByController, annBindCompleted),
noclaims,
noevents, noerrors,
// Custom test function that generates a delete event
func(ctrl *PersistentVolumeController, reactor *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),
novolumes,
newClaimArray("claim5-4", "uid5-4", "1Gi", "volume5-4", v1.ClaimBound, annBoundByController, annBindCompleted),
newClaimArray("claim5-4", "uid5-4", "1Gi", "volume5-4", v1.ClaimLost, annBoundByController, annBindCompleted),
[]string{"Warning ClaimLost"}, noerrors,
// Custom test function that generates a delete event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
obj := ctrl.volumes.store.List()[0]
volume := obj.(*v1.PersistentVolume)
reactor.deleteVolumeEvent(volume)
return nil
},
},
{
// addVolume with provisioned volume from Kubernetes 1.2. No "action"
// is expected - it should stay bound.
"5-5 - add bound volume from 1.2",
novolumes,
[]*v1.PersistentVolume{addVolumeAnnotation(newVolume("volume5-5", "1Gi", "uid5-5", "claim5-5", v1.VolumeBound, v1.PersistentVolumeReclaimDelete), pvProvisioningRequiredAnnotationKey, pvProvisioningCompletedAnnotationValue)},
newClaimArray("claim5-5", "uid5-5", "1Gi", "", v1.ClaimPending),
newClaimArray("claim5-5", "uid5-5", "1Gi", "volume5-5", v1.ClaimBound, annBindCompleted, annBoundByController),
noevents, noerrors,
// Custom test function that generates a add event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
volume := newVolume("volume5-5", "1Gi", "uid5-5", "claim5-5", v1.VolumeBound, v1.PersistentVolumeReclaimDelete)
volume = addVolumeAnnotation(volume, pvProvisioningRequiredAnnotationKey, pvProvisioningCompletedAnnotationValue)
reactor.addVolumeEvent(volume)
return nil
},
},
{
// updateVolume with provisioned volume from Kubernetes 1.2. No
// "action" is expected - it should stay bound.
"5-6 - update bound volume from 1.2",
[]*v1.PersistentVolume{addVolumeAnnotation(newVolume("volume5-6", "1Gi", "uid5-6", "claim5-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete), pvProvisioningRequiredAnnotationKey, pvProvisioningCompletedAnnotationValue)},
[]*v1.PersistentVolume{addVolumeAnnotation(newVolume("volume5-6", "1Gi", "uid5-6", "claim5-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete), pvProvisioningRequiredAnnotationKey, pvProvisioningCompletedAnnotationValue)},
newClaimArray("claim5-6", "uid5-6", "1Gi", "volume5-6", v1.ClaimBound),
newClaimArray("claim5-6", "uid5-6", "1Gi", "volume5-6", v1.ClaimBound, annBindCompleted),
noevents, noerrors,
// Custom test function that generates a add event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
volume := newVolume("volume5-6", "1Gi", "uid5-6", "claim5-6", v1.VolumeBound, v1.PersistentVolumeReclaimDelete)
volume = addVolumeAnnotation(volume, pvProvisioningRequiredAnnotationKey, pvProvisioningCompletedAnnotationValue)
reactor.modifyVolumeEvent(volume)
return nil
},
},
{
// addVolume with unprovisioned volume from Kubernetes 1.2. The
// volume should be deleted.
"5-7 - add unprovisioned volume from 1.2",
novolumes,
novolumes,
newClaimArray("claim5-7", "uid5-7", "1Gi", "", v1.ClaimPending),
newClaimArray("claim5-7", "uid5-7", "1Gi", "", v1.ClaimPending),
noevents, noerrors,
// Custom test function that generates a add event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
volume := newVolume("volume5-7", "1Gi", "uid5-7", "claim5-7", v1.VolumeBound, v1.PersistentVolumeReclaimDelete)
volume = addVolumeAnnotation(volume, pvProvisioningRequiredAnnotationKey, "yes")
reactor.addVolumeEvent(volume)
return nil
},
},
{
// updateVolume with unprovisioned volume from Kubernetes 1.2. The
// volume should be deleted.
"5-8 - update bound volume from 1.2",
novolumes,
novolumes,
newClaimArray("claim5-8", "uid5-8", "1Gi", "", v1.ClaimPending),
newClaimArray("claim5-8", "uid5-8", "1Gi", "", v1.ClaimPending),
noevents, noerrors,
// Custom test function that generates a add event
func(ctrl *PersistentVolumeController, reactor *volumeReactor, test controllerTest) error {
volume := newVolume("volume5-8", "1Gi", "uid5-8", "claim5-8", v1.VolumeBound, v1.PersistentVolumeReclaimDelete)
volume = addVolumeAnnotation(volume, pvProvisioningRequiredAnnotationKey, "yes")
reactor.modifyVolumeEvent(volume)
return nil
},
},
}
for _, test := range tests {
glog.V(4).Infof("starting test %q", test.name)
// Initialize the controller
client := &fake.Clientset{}
volumeSource := fcache.NewFakePVControllerSource()
claimSource := fcache.NewFakePVCControllerSource()
ctrl := newTestController(client, volumeSource, claimSource, nil, true)
reactor := newVolumeReactor(client, ctrl, volumeSource, claimSource, test.errors)
for _, claim := range test.initialClaims {
claimSource.Add(claim)
reactor.claims[claim.Name] = claim
}
for _, volume := range test.initialVolumes {
volumeSource.Add(volume)
reactor.volumes[volume.Name] = volume
}
// Start the controller
stopCh := make(chan struct{})
ctrl.Run(stopCh)
// Wait for the controller to pass initial sync and fill its caches.
for !ctrl.volumeController.HasSynced() ||
!ctrl.claimController.HasSynced() ||
len(ctrl.claims.ListKeys()) < len(test.initialClaims) ||
len(ctrl.volumes.store.ListKeys()) < len(test.initialVolumes) {
time.Sleep(10 * time.Millisecond)
}
glog.V(4).Infof("controller synced, starting test")
// Call the tested function
err := test.test(ctrl, reactor, 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.claims.Resync()
ctrl.volumes.store.Resync()
err = reactor.waitTest(test)
if err != nil {
t.Errorf("Failed to run test %s: %v", test.name, err)
}
close(stopCh)
evaluateTestResults(ctrl, reactor, test, t)
}
}
func storeVersion(t *testing.T, prefix string, c cache.Store, version string, expectedReturn bool) {
pv := newVolume("pvName", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimDelete)
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)
pv.ResourceVersion = "xxx"
_, err := storeObjectUpdate(c, pv, "volume")
if err == nil {
t.Errorf("Expected parsing error, got nil instead")
}
}
func addVolumeAnnotation(volume *v1.PersistentVolume, annName, annValue string) *v1.PersistentVolume {
if volume.Annotations == nil {
volume.Annotations = make(map[string]string)
}
volume.Annotations[annName] = annValue
return volume
}

197
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/recycle_test.go generated vendored Normal file
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/*
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"
"testing"
"k8s.io/kubernetes/pkg/api/v1"
storage "k8s.io/kubernetes/pkg/apis/storage/v1beta1"
)
// Test single call to syncVolume, expecting recycling to happen.
// 1. Fill in the controller with initial data
// 2. Call the syncVolume *once*.
// 3. Compare resulting volumes with expected volumes.
func TestRecycleSync(t *testing.T) {
tests := []controllerTest{
{
// recycle volume bound by controller
"6-1 - successful recycle",
newVolumeArray("volume6-1", "1Gi", "uid6-1", "claim6-1", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle, annBoundByController),
newVolumeArray("volume6-1", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
noclaims,
noclaims,
noevents, noerrors,
// Inject recycler into the controller and call syncVolume. The
// recycler simulates one recycle() call that succeeds.
wrapTestWithReclaimCalls(operationRecycle, []error{nil}, testSyncVolume),
},
{
// recycle volume bound by user
"6-2 - successful recycle with prebound volume",
newVolumeArray("volume6-2", "1Gi", "uid6-2", "claim6-2", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
newVolumeArray("volume6-2", "1Gi", "", "claim6-2", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
noclaims,
noclaims,
noevents, noerrors,
// Inject recycler into the controller and call syncVolume. The
// recycler simulates one recycle() call that succeeds.
wrapTestWithReclaimCalls(operationRecycle, []error{nil}, testSyncVolume),
},
{
// recycle failure - plugin not found
"6-3 - plugin not found",
newVolumeArray("volume6-3", "1Gi", "uid6-3", "claim6-3", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
withMessage("No recycler plugin found for the volume!", newVolumeArray("volume6-3", "1Gi", "uid6-3", "claim6-3", v1.VolumeFailed, v1.PersistentVolumeReclaimRecycle)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedRecycle"}, noerrors, testSyncVolume,
},
{
// recycle failure - newRecycler returns error
"6-4 - newRecycler returns error",
newVolumeArray("volume6-4", "1Gi", "uid6-4", "claim6-4", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
withMessage("Failed to create recycler: Mock plugin error: no recycleCalls configured", newVolumeArray("volume6-4", "1Gi", "uid6-4", "claim6-4", v1.VolumeFailed, v1.PersistentVolumeReclaimRecycle)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedRecycle"}, noerrors,
wrapTestWithReclaimCalls(operationRecycle, []error{}, testSyncVolume),
},
{
// recycle failure - recycle returns error
"6-5 - recycle returns error",
newVolumeArray("volume6-5", "1Gi", "uid6-5", "claim6-5", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
withMessage("Recycler failed: Mock recycle error", newVolumeArray("volume6-5", "1Gi", "uid6-5", "claim6-5", v1.VolumeFailed, v1.PersistentVolumeReclaimRecycle)),
noclaims,
noclaims,
[]string{"Warning VolumeFailedRecycle"}, noerrors,
wrapTestWithReclaimCalls(operationRecycle, []error{errors.New("Mock recycle error")}, testSyncVolume),
},
{
// recycle success(?) - volume is deleted before doRecycle() starts
"6-6 - volume is deleted before recycling",
newVolumeArray("volume6-6", "1Gi", "uid6-6", "claim6-6", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
novolumes,
noclaims,
noclaims,
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithReclaimCalls(operationRecycle, []error{}, testSyncVolume), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Delete the volume before recycle operation starts
reactor.lock.Lock()
delete(reactor.volumes, "volume6-6")
reactor.lock.Unlock()
}),
},
{
// recycle success(?) - volume is recycled by previous recycler just
// at the time new doRecycle() starts. This simulates "volume no
// longer needs recycling, skipping".
"6-7 - volume is deleted before recycling",
newVolumeArray("volume6-7", "1Gi", "uid6-7", "claim6-7", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle, annBoundByController),
newVolumeArray("volume6-7", "1Gi", "", "", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
noclaims,
noclaims,
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithReclaimCalls(operationRecycle, []error{}, testSyncVolume), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Mark the volume as Available before the recycler starts
reactor.lock.Lock()
volume := reactor.volumes["volume6-7"]
volume.Spec.ClaimRef = nil
volume.Status.Phase = v1.VolumeAvailable
volume.Annotations = nil
reactor.lock.Unlock()
}),
},
{
// recycle success(?) - volume bound by user is recycled by previous
// recycler just at the time new doRecycle() starts. This simulates
// "volume no longer needs recycling, skipping" with volume bound by
// user.
"6-8 - prebound volume is deleted before recycling",
newVolumeArray("volume6-8", "1Gi", "uid6-8", "claim6-8", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
newVolumeArray("volume6-8", "1Gi", "", "claim6-8", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
noclaims,
noclaims,
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithReclaimCalls(operationRecycle, []error{}, testSyncVolume), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Mark the volume as Available before the recycler starts
reactor.lock.Lock()
volume := reactor.volumes["volume6-8"]
volume.Spec.ClaimRef.UID = ""
volume.Status.Phase = v1.VolumeAvailable
reactor.lock.Unlock()
}),
},
{
// recycle success - volume bound by user is recycled, while a new
// claim is created with another UID.
"6-9 - prebound volume is recycled while the claim exists",
newVolumeArray("volume6-9", "1Gi", "uid6-9", "claim6-9", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
newVolumeArray("volume6-9", "1Gi", "", "claim6-9", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
newClaimArray("claim6-9", "uid6-9-x", "10Gi", "", v1.ClaimPending),
newClaimArray("claim6-9", "uid6-9-x", "10Gi", "", v1.ClaimPending),
noevents, noerrors,
// Inject recycler into the controller and call syncVolume. The
// recycler simulates one recycle() call that succeeds.
wrapTestWithReclaimCalls(operationRecycle, []error{nil}, testSyncVolume),
},
{
// volume has unknown reclaim policy - failure expected
"6-10 - unknown reclaim policy",
newVolumeArray("volume6-10", "1Gi", "uid6-10", "claim6-10", v1.VolumeBound, "Unknown"),
withMessage("Volume has unrecognized PersistentVolumeReclaimPolicy", newVolumeArray("volume6-10", "1Gi", "uid6-10", "claim6-10", v1.VolumeFailed, "Unknown")),
noclaims,
noclaims,
[]string{"Warning VolumeUnknownReclaimPolicy"}, noerrors, testSyncVolume,
},
}
runSyncTests(t, tests, []*storage.StorageClass{})
}
// Test multiple calls to syncClaim/syncVolume and periodic sync of all
// volume/claims. The test follows this pattern:
// 0. Load the controller with initial data.
// 1. Call controllerTest.testCall() once as in TestSync()
// 2. For all volumes/claims changed by previous syncVolume/syncClaim calls,
// call appropriate syncVolume/syncClaim (simulating "volume/claim changed"
// events). Go to 2. if these calls change anything.
// 3. When all changes are processed and no new changes were made, call
// syncVolume/syncClaim on all volumes/claims (simulating "periodic sync").
// 4. If some changes were done by step 3., go to 2. (simulation of
// "volume/claim updated" events, eventually performing step 3. again)
// 5. When 3. does not do any changes, finish the tests and compare final set
// of volumes/claims with expected claims/volumes and report differences.
// Some limit of calls in enforced to prevent endless loops.
func TestRecycleMultiSync(t *testing.T) {
tests := []controllerTest{
{
// recycle failure - recycle returns error. The controller should
// try again.
"7-1 - recycle returns error",
newVolumeArray("volume7-1", "1Gi", "uid7-1", "claim7-1", v1.VolumeBound, v1.PersistentVolumeReclaimRecycle),
newVolumeArray("volume7-1", "1Gi", "", "claim7-1", v1.VolumeAvailable, v1.PersistentVolumeReclaimRecycle),
noclaims,
noclaims,
[]string{"Warning VolumeFailedRecycle"}, noerrors,
wrapTestWithReclaimCalls(operationRecycle, []error{errors.New("Mock recycle error"), nil}, testSyncVolume),
},
}
runMultisyncTests(t, tests, []*storage.StorageClass{}, "")
}

82
vendor/k8s.io/kubernetes/pkg/controller/volume/persistentvolume/volume_host.go generated vendored Normal file
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/*
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 (
"fmt"
"net"
"k8s.io/kubernetes/pkg/api/v1"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util/io"
"k8s.io/kubernetes/pkg/util/mount"
vol "k8s.io/kubernetes/pkg/volume"
)
// VolumeHost interface implementation for PersistentVolumeController.
var _ vol.VolumeHost = &PersistentVolumeController{}
func (ctrl *PersistentVolumeController) GetPluginDir(pluginName string) string {
return ""
}
func (ctrl *PersistentVolumeController) GetPodVolumeDir(podUID types.UID, pluginName string, volumeName string) string {
return ""
}
func (ctrl *PersistentVolumeController) GetPodPluginDir(podUID types.UID, pluginName string) string {
return ""
}
func (ctrl *PersistentVolumeController) GetKubeClient() clientset.Interface {
return ctrl.kubeClient
}
func (ctrl *PersistentVolumeController) NewWrapperMounter(volName string, spec vol.Spec, pod *v1.Pod, opts vol.VolumeOptions) (vol.Mounter, error) {
return nil, fmt.Errorf("PersistentVolumeController.NewWrapperMounter is not implemented")
}
func (ctrl *PersistentVolumeController) NewWrapperUnmounter(volName string, spec vol.Spec, podUID types.UID) (vol.Unmounter, error) {
return nil, fmt.Errorf("PersistentVolumeController.NewWrapperMounter is not implemented")
}
func (ctrl *PersistentVolumeController) GetCloudProvider() cloudprovider.Interface {
return ctrl.cloud
}
func (ctrl *PersistentVolumeController) GetMounter() mount.Interface {
return nil
}
func (ctrl *PersistentVolumeController) GetWriter() io.Writer {
return nil
}
func (ctrl *PersistentVolumeController) GetHostName() string {
return ""
}
func (ctrl *PersistentVolumeController) GetHostIP() (net.IP, error) {
return nil, fmt.Errorf("PersistentVolumeController.GetHostIP() is not implemented")
}
func (ctrl *PersistentVolumeController) GetNodeAllocatable() (v1.ResourceList, error) {
return v1.ResourceList{}, nil
}