72 lines
2.0 KiB
Go
72 lines
2.0 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 informers
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import (
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"reflect"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/tools/cache"
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storage "k8s.io/kubernetes/pkg/apis/storage/v1beta1"
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"k8s.io/kubernetes/pkg/client/legacylisters"
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)
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// StorageClassInformer is type of SharedIndexInformer which watches and lists all storage classes.
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// Interface provides constructor for informer and lister for storage classes
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type StorageClassInformer interface {
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Informer() cache.SharedIndexInformer
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Lister() listers.StorageClassLister
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}
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type storageClassInformer struct {
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*sharedInformerFactory
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}
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func (f *storageClassInformer) Informer() cache.SharedIndexInformer {
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f.lock.Lock()
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defer f.lock.Unlock()
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informerType := reflect.TypeOf(&storage.StorageClass{})
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informer, exists := f.informers[informerType]
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if exists {
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return informer
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}
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informer = cache.NewSharedIndexInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return f.client.Storage().StorageClasses().List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return f.client.Storage().StorageClasses().Watch(options)
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},
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},
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&storage.StorageClass{},
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f.defaultResync,
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cache.Indexers{},
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)
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f.informers[informerType] = informer
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return informer
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}
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func (f *storageClassInformer) Lister() listers.StorageClassLister {
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informer := f.Informer()
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return listers.NewStorageClassLister(informer.GetIndexer())
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}
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