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namespace autoprovision externalization

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This commit is contained in:
zuoxiu.jm 2018-09-27 12:11:02 +08:00
parent b442c25325
commit be7194e166
3 changed files with 32 additions and 28 deletions
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18
plugin/pkg/admission/namespace/autoprovision/BUILD
View File

@ -12,13 +12,14 @@ go_library(
importpath = "k8s.io/kubernetes/plugin/pkg/admission/namespace/autoprovision",
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/client/clientset_generated/internalclientset:go_default_library",
"//pkg/client/informers/informers_generated/internalversion:go_default_library",
"//pkg/client/listers/core/internalversion:go_default_library",
"//pkg/kubeapiserver/admission:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors: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/apiserver/pkg/admission/initializer:go_default_library",
"//staging/src/k8s.io/client-go/informers:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/listers/core/v1:go_default_library",
],
)
@ -28,15 +29,16 @@ go_test(
embed = [":go_default_library"],
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/client/clientset_generated/internalclientset:go_default_library",
"//pkg/client/clientset_generated/internalclientset/fake:go_default_library",
"//pkg/client/informers/informers_generated/internalversion:go_default_library",
"//pkg/kubeapiserver/admission:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait: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/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/fake:go_default_library",
"//staging/src/k8s.io/client-go/testing:go_default_library",
],
)

27
plugin/pkg/admission/namespace/autoprovision/admission.go
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@ -20,14 +20,15 @@ import (
"fmt"
"io"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apiserver/pkg/admission"
genericadmissioninitializer "k8s.io/apiserver/pkg/admission/initializer"
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
corev1listers "k8s.io/client-go/listers/core/v1"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
corelisters "k8s.io/kubernetes/pkg/client/listers/core/internalversion"
kubeapiserveradmission "k8s.io/kubernetes/pkg/kubeapiserver/admission"
)
// PluginName indicates name of admission plugin.
@ -45,13 +46,13 @@ func Register(plugins *admission.Plugins) {
// It is useful in deployments that do not want to restrict creation of a namespace prior to its usage.
type Provision struct {
*admission.Handler
client internalclientset.Interface
namespaceLister corelisters.NamespaceLister
client kubernetes.Interface
namespaceLister corev1listers.NamespaceLister
}
var _ admission.MutationInterface = &Provision{}
var _ = kubeapiserveradmission.WantsInternalKubeInformerFactory(&Provision{})
var _ = kubeapiserveradmission.WantsInternalKubeClientSet(&Provision{})
var _ = genericadmissioninitializer.WantsExternalKubeInformerFactory(&Provision{})
var _ = genericadmissioninitializer.WantsExternalKubeClientSet(&Provision{})
// Admit makes an admission decision based on the request attributes
func (p *Provision) Admit(a admission.Attributes) error {
@ -80,12 +81,12 @@ func (p *Provision) Admit(a admission.Attributes) error {
return admission.NewForbidden(a, err)
}
namespace := &api.Namespace{
namespace := &corev1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: a.GetNamespace(),
Namespace: "",
},
Status: api.NamespaceStatus{},
Status: corev1.NamespaceStatus{},
}
_, err = p.client.Core().Namespaces().Create(namespace)
@ -104,13 +105,13 @@ func NewProvision() *Provision {
}
// SetInternalKubeClientSet implements the WantsInternalKubeClientSet interface.
func (p *Provision) SetInternalKubeClientSet(client internalclientset.Interface) {
func (p *Provision) SetExternalKubeClientSet(client kubernetes.Interface) {
p.client = client
}
// SetInternalKubeInformerFactory implements the WantsInternalKubeInformerFactory interface.
func (p *Provision) SetInternalKubeInformerFactory(f informers.SharedInformerFactory) {
namespaceInformer := f.Core().InternalVersion().Namespaces()
func (p *Provision) SetExternalKubeInformerFactory(f informers.SharedInformerFactory) {
namespaceInformer := f.Core().V1().Namespaces()
p.namespaceLister = namespaceInformer.Lister()
p.SetReadyFunc(namespaceInformer.Informer().HasSynced)
}

15
plugin/pkg/admission/namespace/autoprovision/admission_test.go
View File

@ -21,24 +21,25 @@ import (
"testing"
"time"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apiserver/pkg/admission"
genericadmissioninitializer "k8s.io/apiserver/pkg/admission/initializer"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
api "k8s.io/kubernetes/pkg/apis/core"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
kubeadmission "k8s.io/kubernetes/pkg/kubeapiserver/admission"
)
// newHandlerForTest returns the admission controller configured for testing.
func newHandlerForTest(c clientset.Interface) (admission.MutationInterface, informers.SharedInformerFactory, error) {
f := informers.NewSharedInformerFactory(c, 5*time.Minute)
handler := NewProvision()
pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil)
pluginInitializer := genericadmissioninitializer.New(c, f, nil, nil)
pluginInitializer.Initialize(handler)
err := admission.ValidateInitialization(handler)
return handler, f, err
@ -48,13 +49,13 @@ func newHandlerForTest(c clientset.Interface) (admission.MutationInterface, info
func newMockClientForTest(namespaces []string) *fake.Clientset {
mockClient := &fake.Clientset{}
mockClient.AddReactor("list", "namespaces", func(action core.Action) (bool, runtime.Object, error) {
namespaceList := &api.NamespaceList{
namespaceList := &corev1.NamespaceList{
ListMeta: metav1.ListMeta{
ResourceVersion: fmt.Sprintf("%d", len(namespaces)),
},
}
for i, ns := range namespaces {
namespaceList.Items = append(namespaceList.Items, api.Namespace{
namespaceList.Items = append(namespaceList.Items, corev1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
ResourceVersion: fmt.Sprintf("%d", i),