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b0581d688d
When Multizone is enabled static PV creation on GCE fails because Cloud provider configuration is not available in admission plugins.
89 lines
2.9 KiB
Go
89 lines
2.9 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/admission"
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"k8s.io/apiserver/pkg/authorization/authorizer"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
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informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
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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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// WantsCloudConfig defines a function which sets CloudConfig for admission plugins that need it.
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type WantsCloudConfig interface {
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SetCloudConfig([]byte)
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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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cloudConfig []byte
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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, cloudConfig []byte) 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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cloudConfig: cloudConfig,
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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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if wants, ok := plugin.(WantsCloudConfig); ok {
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wants.SetCloudConfig(i.cloudConfig)
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}
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}
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