69 lines
2.5 KiB
Go
69 lines
2.5 KiB
Go
/*
|
|
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/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
|
|
// serverIdentifyingClientCert used to provide identity when calling out to admission plugins
|
|
serverIdentifyingClientCert []byte
|
|
// serverIdentifyingClientKey private key for the client certificate used when calling out to admission plugins
|
|
serverIdentifyingClientKey []byte
|
|
}
|
|
|
|
// 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, serverIdentifyingClientCert, serverIdentifyingClientKey []byte) (pluginInitializer, error) {
|
|
return pluginInitializer{
|
|
externalClient: extClientset,
|
|
externalInformers: extInformers,
|
|
authorizer: authz,
|
|
serverIdentifyingClientCert: serverIdentifyingClientCert,
|
|
serverIdentifyingClientKey: serverIdentifyingClientKey,
|
|
}, nil
|
|
}
|
|
|
|
// 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.(WantsClientCert); ok {
|
|
wants.SetClientCert(i.serverIdentifyingClientCert, i.serverIdentifyingClientKey)
|
|
}
|
|
}
|
|
|
|
var _ admission.PluginInitializer = pluginInitializer{}
|