---
title: Operator 模式
id: operator-pattern
date: 2019-05-21
full_link: /zh/docs/concepts/extend-kubernetes/operator/
short_description: >
一种用于管理自定义资源的专用控制器
aka:
tags:
- architecture
<!--
title: Operator pattern
full_link: /docs/concepts/extend-kubernetes/operator/
A specialized controller used to manage a custom resource
-->
The [operator pattern](/docs/concepts/extend-kubernetes/operator/) is a system
design that links a {{< glossary_tooltip term_id="controller" >}} to one or more custom
resources.
[operator 模式](/zh/docs/concepts/extend-kubernetes/operator/) 是一种系统设计,
将 {{< glossary_tooltip term_id="controller" >}} 关联到一个或多个自定义资源。
<!--more-->
You can extend Kubernetes by adding controllers to your cluster, beyond the built-in
controllers that come as part of Kubernetes itself.
If a running application acts as a controller and has API access to carry out tasks
against a custom resource that's defined in the control plane, that's an example of
the Operator pattern.
除了使用作为 Kubernetes 自身一部分的内置控制器之外,你还可以通过
将控制器添加到集群中来扩展 Kubernetes。
如果正在运行的应用程序能够充当控制器并通过 API 访问的方式来执行任务操控
那些在控制平面中定义的自定义资源,这就是一个 operator 模式的示例。