feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/k8s.io/apiserver/pkg/admission/initializer/initializer.go

@@ -0,0 +1,70 @@
+/*
+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 initializer
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/admission"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+	"k8s.io/client-go/informers"
+	"k8s.io/client-go/kubernetes"
+)
+
+type pluginInitializer struct {
+	externalClient    kubernetes.Interface
+	externalInformers informers.SharedInformerFactory
+	authorizer        authorizer.Authorizer
+	scheme            *runtime.Scheme
+}
+
+// New creates an instance of admission plugins initializer.
+// TODO(p0lyn0mial): make the parameters public, this construction seems to be redundant.
+func New(
+	extClientset kubernetes.Interface,
+	extInformers informers.SharedInformerFactory,
+	authz authorizer.Authorizer,
+	scheme *runtime.Scheme,
+) pluginInitializer {
+	return pluginInitializer{
+		externalClient:    extClientset,
+		externalInformers: extInformers,
+		authorizer:        authz,
+		scheme:            scheme,
+	}
+}
+
+// Initialize checks the initialization interfaces implemented by a plugin
+// and provide the appropriate initialization data
+func (i pluginInitializer) Initialize(plugin admission.Interface) {
+	if wants, ok := plugin.(WantsExternalKubeClientSet); ok {
+		wants.SetExternalKubeClientSet(i.externalClient)
+	}
+
+	if wants, ok := plugin.(WantsExternalKubeInformerFactory); ok {
+		wants.SetExternalKubeInformerFactory(i.externalInformers)
+	}
+
+	if wants, ok := plugin.(WantsAuthorizer); ok {
+		wants.SetAuthorizer(i.authorizer)
+	}
+
+	if wants, ok := plugin.(WantsScheme); ok {
+		wants.SetScheme(i.scheme)
+	}
+}
+
+var _ admission.PluginInitializer = pluginInitializer{}