// Creates a cacher on top of the given 'storageInterface'.
func StorageWithCacher(
	storageInterface storage.Interface,
	capacity int,
	objectType runtime.Object,
	resourcePrefix string,
	scopeStrategy rest.NamespaceScopedStrategy,
	newListFunc func() runtime.Object) storage.Interface {

	config := storage.CacherConfig{
		CacheCapacity:  capacity,
		Storage:        storageInterface,
		Versioner:      etcdstorage.APIObjectVersioner{},
		Type:           objectType,
		ResourcePrefix: resourcePrefix,
		NewListFunc:    newListFunc,
	}
	if scopeStrategy.NamespaceScoped() {
		config.KeyFunc = func(obj runtime.Object) (string, error) {
			return storage.NamespaceKeyFunc(resourcePrefix, obj)
		}
	} else {
		config.KeyFunc = func(obj runtime.Object) (string, error) {
			return storage.NoNamespaceKeyFunc(resourcePrefix, obj)
		}
	}

	return storage.NewCacherFromConfig(config)
}
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func newTestCacher(s storage.Interface) *storage.Cacher {
	prefix := "pods"
	config := storage.CacherConfig{
		CacheCapacity:  10,
		Storage:        s,
		Versioner:      etcdstorage.APIObjectVersioner{},
		Type:           &api.Pod{},
		ResourcePrefix: prefix,
		KeyFunc:        func(obj runtime.Object) (string, error) { return storage.NamespaceKeyFunc(prefix, obj) },
		NewListFunc:    func() runtime.Object { return &api.PodList{} },
	}
	return storage.NewCacherFromConfig(config)
}