90 lines
3.6 KiB
Go
90 lines
3.6 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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"fmt"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/batch"
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extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
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rbacinternal "k8s.io/kubernetes/pkg/apis/rbac"
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"k8s.io/kubernetes/pkg/client/cache"
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)
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// GenericInformer is type of SharedIndexInformer which will locate and delegate to other
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// sharedInformers based on type
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type GenericInformer interface {
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Informer() cache.SharedIndexInformer
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Lister() cache.GenericLister
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}
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// ForResource gives generic access to a shared informer of the matching type
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// TODO extend this to unknown resources with a client pool
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func (f *sharedInformerFactory) ForResource(resource schema.GroupResource) (GenericInformer, error) {
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switch resource {
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case api.Resource("pods"):
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return &genericInformer{resource: resource, informer: f.Pods().Informer()}, nil
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case api.Resource("limitranges"):
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return &genericInformer{resource: resource, informer: f.LimitRanges().Informer()}, nil
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case api.Resource("namespaces"):
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return &genericInformer{resource: resource, informer: f.Namespaces().Informer()}, nil
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case api.Resource("nodes"):
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return &genericInformer{resource: resource, informer: f.Nodes().Informer()}, nil
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case api.Resource("persistentvolumeclaims"):
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return &genericInformer{resource: resource, informer: f.PersistentVolumeClaims().Informer()}, nil
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case api.Resource("persistentvolumes"):
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return &genericInformer{resource: resource, informer: f.PersistentVolumes().Informer()}, nil
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case api.Resource("serviceaccounts"):
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return &genericInformer{resource: resource, informer: f.ServiceAccounts().Informer()}, nil
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case extensionsinternal.Resource("daemonsets"):
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return &genericInformer{resource: resource, informer: f.DaemonSets().Informer()}, nil
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case extensionsinternal.Resource("deployments"):
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return &genericInformer{resource: resource, informer: f.Deployments().Informer()}, nil
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case extensionsinternal.Resource("replicasets"):
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return &genericInformer{resource: resource, informer: f.ReplicaSets().Informer()}, nil
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case rbacinternal.Resource("clusterrolebindings"):
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return &genericInformer{resource: resource, informer: f.ClusterRoleBindings().Informer()}, nil
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case rbacinternal.Resource("clusterroles"):
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return &genericInformer{resource: resource, informer: f.ClusterRoles().Informer()}, nil
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case rbacinternal.Resource("rolebindings"):
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return &genericInformer{resource: resource, informer: f.RoleBindings().Informer()}, nil
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case rbacinternal.Resource("roles"):
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return &genericInformer{resource: resource, informer: f.Roles().Informer()}, nil
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case batch.Resource("jobs"):
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return &genericInformer{resource: resource, informer: f.Jobs().Informer()}, nil
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}
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return nil, fmt.Errorf("no informer found for %v", resource)
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}
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type genericInformer struct {
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informer cache.SharedIndexInformer
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resource schema.GroupResource
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}
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func (f *genericInformer) Informer() cache.SharedIndexInformer {
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return f.informer
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}
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func (f *genericInformer) Lister() cache.GenericLister {
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return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
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}
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