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Merge pull request #67704 from yue9944882/refactor/externalize-storage-class-admission-controller

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Automatic merge from submit-queue (batch tested with PRs 66973, 67704, 67722, 67723, 63512). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Externalize default storageclass admission controller

now continue with this low hanging fruit. 

and we will seriously step into deep water zone like `resourcequota` 🙃

ref: #66680

/assign deads2k 


**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-08-22 18:20:24 -07:00 committed by GitHub
commit d085301d51
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3 changed files with 34 additions and 34 deletions
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12
plugin/pkg/admission/storage/storageclass/setdefault/BUILD
View File

@ -13,14 +13,14 @@ go_library(
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/apis/core/helper:go_default_library",
"//pkg/apis/storage:go_default_library",
"//pkg/apis/storage/util:go_default_library",
"//pkg/client/informers/informers_generated/internalversion:go_default_library",
"//pkg/client/listers/storage/internalversion:go_default_library",
"//pkg/kubeapiserver/admission:go_default_library",
"//staging/src/k8s.io/api/storage/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/admission/initializer:go_default_library",
"//staging/src/k8s.io/client-go/informers:go_default_library",
"//staging/src/k8s.io/client-go/listers/storage/v1:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
],
)
@ -31,12 +31,12 @@ go_test(
embed = [":go_default_library"],
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/apis/storage:go_default_library",
"//pkg/apis/storage/util:go_default_library",
"//pkg/client/informers/informers_generated/internalversion:go_default_library",
"//pkg/controller:go_default_library",
"//staging/src/k8s.io/api/storage/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",
"//staging/src/k8s.io/client-go/informers:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
],
)

22
plugin/pkg/admission/storage/storageclass/setdefault/admission.go
View File

@ -22,16 +22,16 @@ import (
"github.com/golang/glog"
storagev1 "k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
admission "k8s.io/apiserver/pkg/admission"
"k8s.io/apiserver/pkg/admission"
genericadmissioninitializer "k8s.io/apiserver/pkg/admission/initializer"
"k8s.io/client-go/informers"
storagev1listers "k8s.io/client-go/listers/storage/v1"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/core/helper"
"k8s.io/kubernetes/pkg/apis/storage"
storageutil "k8s.io/kubernetes/pkg/apis/storage/util"
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
storagelisters "k8s.io/kubernetes/pkg/client/listers/storage/internalversion"
kubeapiserveradmission "k8s.io/kubernetes/pkg/kubeapiserver/admission"
)
const (
@ -51,12 +51,12 @@ func Register(plugins *admission.Plugins) {
type claimDefaulterPlugin struct {
*admission.Handler
lister storagelisters.StorageClassLister
lister storagev1listers.StorageClassLister
}
var _ admission.Interface = &claimDefaulterPlugin{}
var _ admission.MutationInterface = &claimDefaulterPlugin{}
var _ = kubeapiserveradmission.WantsInternalKubeInformerFactory(&claimDefaulterPlugin{})
var _ = genericadmissioninitializer.WantsExternalKubeInformerFactory(&claimDefaulterPlugin{})
// newPlugin creates a new admission plugin.
func newPlugin() *claimDefaulterPlugin {
@ -65,8 +65,8 @@ func newPlugin() *claimDefaulterPlugin {
}
}
func (a *claimDefaulterPlugin) SetInternalKubeInformerFactory(f informers.SharedInformerFactory) {
informer := f.Storage().InternalVersion().StorageClasses()
func (a *claimDefaulterPlugin) SetExternalKubeInformerFactory(f informers.SharedInformerFactory) {
informer := f.Storage().V1().StorageClasses()
a.lister = informer.Lister()
a.SetReadyFunc(informer.Informer().HasSynced)
}
@ -122,13 +122,13 @@ func (a *claimDefaulterPlugin) Admit(attr admission.Attributes) error {
}
// getDefaultClass returns the default StorageClass from the store, or nil.
func getDefaultClass(lister storagelisters.StorageClassLister) (*storage.StorageClass, error) {
func getDefaultClass(lister storagev1listers.StorageClassLister) (*storagev1.StorageClass, error) {
list, err := lister.List(labels.Everything())
if err != nil {
return nil, err
}
defaultClasses := []*storage.StorageClass{}
defaultClasses := []*storagev1.StorageClass{}
for _, class := range list {
if storageutil.IsDefaultAnnotation(class.ObjectMeta) {
defaultClasses = append(defaultClasses, class)

34
plugin/pkg/admission/storage/storageclass/setdefault/admission_test.go
View File

@ -21,12 +21,12 @@ import (
"github.com/golang/glog"
storagev1 "k8s.io/api/storage/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apiserver/pkg/admission"
"k8s.io/client-go/informers"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/storage"
storageutil "k8s.io/kubernetes/pkg/apis/storage/util"
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
"k8s.io/kubernetes/pkg/controller"
)
@ -34,7 +34,7 @@ func TestAdmission(t *testing.T) {
empty := ""
foo := "foo"
defaultClass1 := &storage.StorageClass{
defaultClass1 := &storagev1.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
@ -46,7 +46,7 @@ func TestAdmission(t *testing.T) {
},
Provisioner: "default1",
}
defaultClass2 := &storage.StorageClass{
defaultClass2 := &storagev1.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
@ -59,7 +59,7 @@ func TestAdmission(t *testing.T) {
Provisioner: "default2",
}
// Class that has explicit default = false
classWithFalseDefault := &storage.StorageClass{
classWithFalseDefault := &storagev1.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
@ -72,7 +72,7 @@ func TestAdmission(t *testing.T) {
Provisioner: "nondefault1",
}
// Class with missing default annotation (=non-default)
classWithNoDefault := &storage.StorageClass{
classWithNoDefault := &storagev1.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
@ -82,7 +82,7 @@ func TestAdmission(t *testing.T) {
Provisioner: "nondefault1",
}
// Class with empty default annotation (=non-default)
classWithEmptyDefault := &storage.StorageClass{
classWithEmptyDefault := &storagev1.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
@ -131,56 +131,56 @@ func TestAdmission(t *testing.T) {
tests := []struct {
name string
classes []*storage.StorageClass
classes []*storagev1.StorageClass
claim *api.PersistentVolumeClaim
expectError bool
expectedClassName string
}{
{
"no default, no modification of PVCs",
[]*storage.StorageClass{classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithNoClass,
false,
"",
},
{
"one default, modify PVC with class=nil",
[]*storage.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithNoClass,
false,
"default1",
},
{
"one default, no modification of PVC with class=''",
[]*storage.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithEmptyClass,
false,
"",
},
{
"one default, no modification of PVC with class='foo'",
[]*storage.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithClass,
false,
"foo",
},
{
"two defaults, error with PVC with class=nil",
[]*storage.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithNoClass,
true,
"",
},
{
"two defaults, no modification of PVC with class=''",
[]*storage.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithEmptyClass,
false,
"",
},
{
"two defaults, no modification of PVC with class='foo'",
[]*storage.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
[]*storagev1.StorageClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
claimWithClass,
false,
"foo",
@ -195,9 +195,9 @@ func TestAdmission(t *testing.T) {
ctrl := newPlugin()
informerFactory := informers.NewSharedInformerFactory(nil, controller.NoResyncPeriodFunc())
ctrl.SetInternalKubeInformerFactory(informerFactory)
ctrl.SetExternalKubeInformerFactory(informerFactory)
for _, c := range test.classes {
informerFactory.Storage().InternalVersion().StorageClasses().Informer().GetStore().Add(c)
informerFactory.Storage().V1().StorageClasses().Informer().GetStore().Add(c)
}
attrs := admission.NewAttributesRecord(
claim, // new object