Qiming Teng
e9703497a1
For some unknown reasons, we have got many markdown files with exec permission. That is weird and risky.
25 lines
753 B
Markdown
25 lines
753 B
Markdown
---
|
|
title: Operator pattern
|
|
id: operator-pattern
|
|
date: 2019-05-21
|
|
full_link: /docs/concepts/extend-kubernetes/operator/
|
|
short_description: >
|
|
A specialized controller used to manage a custom resource
|
|
|
|
aka:
|
|
tags:
|
|
- architecture
|
|
---
|
|
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.
|
|
|
|
<!--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.
|