}

// NodeNameTriggerFunc returns value spec.nodename of given object.
func NodeNameTriggerFunc(obj runtime.Object) string {
	return obj.(*api.Pod).Spec.NodeName
}

// NodeNameIndexFunc return value spec.nodename of given object.
func NodeNameIndexFunc(obj interface{}) ([]string, error) {
	pod, ok := obj.(*api.Pod)
	if !ok {
		return nil, fmt.Errorf("not a pod")
	}
	return []string{pod.Spec.NodeName}, nil
}