77 lines
2.5 KiB
Go
77 lines
2.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package admission
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import (
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"k8s.io/apiserver/pkg/authorization/authorizer"
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"k8s.io/kubernetes/pkg/admission"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
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"k8s.io/kubernetes/pkg/controller/informers"
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)
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// TODO add a `WantsToRun` which takes a stopCh. Might make it generic.
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// WantsInformerFactory defines a function which sets InformerFactory for admission plugins that need it
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type WantsInternalClientSet interface {
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SetInternalClientSet(internalclientset.Interface)
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admission.Validator
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}
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// WantsInformerFactory defines a function which sets InformerFactory for admission plugins that need it
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type WantsInformerFactory interface {
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SetInformerFactory(informers.SharedInformerFactory)
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admission.Validator
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}
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// WantsAuthorizer defines a function which sets Authorizer for admission plugins that need it.
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type WantsAuthorizer interface {
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SetAuthorizer(authorizer.Authorizer)
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admission.Validator
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}
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type pluginInitializer struct {
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internalClient internalclientset.Interface
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informers informers.SharedInformerFactory
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authorizer authorizer.Authorizer
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}
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var _ admission.PluginInitializer = pluginInitializer{}
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// NewPluginInitializer constructs new instance of PluginInitializer
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func NewPluginInitializer(internalClient internalclientset.Interface, sharedInformers informers.SharedInformerFactory, authz authorizer.Authorizer) admission.PluginInitializer {
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return pluginInitializer{
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internalClient: internalClient,
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informers: sharedInformers,
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authorizer: authz,
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}
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}
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// Initialize checks the initialization interfaces implemented by each plugin
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// and provide the appropriate initialization data
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func (i pluginInitializer) Initialize(plugin admission.Interface) {
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if wants, ok := plugin.(WantsInternalClientSet); ok {
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wants.SetInternalClientSet(i.internalClient)
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}
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if wants, ok := plugin.(WantsInformerFactory); ok {
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wants.SetInformerFactory(i.informers)
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}
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if wants, ok := plugin.(WantsAuthorizer); ok {
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wants.SetAuthorizer(i.authorizer)
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}
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}
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