# 集群扩展

Kubernetes是一个高度开放可扩展的架构，可以通过自定义资源类型CRD来定义自己的类型，还可以自己来扩展API服务，用户的使用方式跟Kubernetes的原生对象无异。


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://doc.cncf.vip/kubernetes-handbook/gai-nian-yu-yuan-li/extension.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.