mirror of https://github.com/k3s-io/k3s
64 lines
1.8 KiB
Go
64 lines
1.8 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/kubernetes/pkg/controller/informers"
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)
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// PluginInitializer is used for initialization of shareable resources between admission plugins.
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// After initialization the resources have to be set separately
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type PluginInitializer interface {
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Initialize(plugins []Interface)
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}
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type pluginInitializer struct {
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informers informers.SharedInformerFactory
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}
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// NewPluginInitializer constructs new instance of PluginInitializer
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func NewPluginInitializer(sharedInformers informers.SharedInformerFactory) PluginInitializer {
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plugInit := &pluginInitializer{
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informers: sharedInformers,
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}
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return plugInit
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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(plugins []Interface) {
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for _, plugin := range plugins {
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if wantsInformerFactory, ok := plugin.(WantsInformerFactory); ok {
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wantsInformerFactory.SetInformerFactory(i.informers)
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}
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}
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}
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// Validate will call the Validate function in each plugin if they implement
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// the Validator interface.
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func Validate(plugins []Interface) error {
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for _, plugin := range plugins {
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if validater, ok := plugin.(Validator); ok {
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err := validater.Validate()
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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