if ok && len(ns) > 0 {
		key = key + "/" + ns
	}
	return key
}

// NamespaceKeyFunc is the default function for constructing storage paths to
// a resource relative to the given prefix enforcing namespace rules. If the
// context does not contain a namespace, it errors.
func NamespaceKeyFunc(ctx context.Context, prefix string, name string) (string, error) {
	key := NamespaceKeyRootFunc(ctx, prefix)

		Versioner:      storage.APIObjectVersioner{},
		GroupResource:  schema.GroupResource{Resource: "pods"},
		ResourcePrefix: prefix,
		KeyFunc:        func(obj runtime.Object) (string, error) { return storage.NamespaceKeyFunc(prefix, obj) },
		GetAttrsFunc: func(obj runtime.Object) (labels.Set, fields.Set, error) {
			pod, ok := obj.(*example.Pod)
			if !ok {
				return storage.DefaultNamespaceScopedAttr(obj)
			}