June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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178
｜
第
7
章
•
思考你的控制器的管辖范围：它要管理一个还是多个命名空间下的
CR
？
请参考“
Alex Ellis
的
Twitter
”对话了解各种方案的优劣。
•
测试和分析你的控制器以使得你对它运行所需要的资源以及其可扩展性有
所概念。例如，
Red Hat
在
OperatorHub
贡献者指导手册里对此有详细的
规定和说明。
•
确保你的
CRD
和控制器有齐全的文档，最好有可以集成到
godoc.org
上
提供访问的内联文档和各种使用示例。参考
Banzai Cloud
的
bank-vaults
Operator
来获取点灵感吧。
7.1.6
生命周期管理
相对于简单的打包发布，一个更加广泛和全面的话题是生命周期管理。它的
基本思想是考虑从开发到发布到升级整个供应链，把这个过程的自动化做
到极致。在这个领域中，
CoreOS
（和之后的
Red Hat
）再次成为了先驱：把
Operator
的逻辑应用到
Operator
整个生命周期的管理。换句话说，为了安装
和升级
Operator
的自定义控制器，你需要一个专门的
Operator
来处理其他
Operator
。实际上
Operator Framework
中很重要的一部分就是所谓的
Operator
生命周期管理器（
OLM
）。
Operator Framework
中还提供了我们在“
6.4
Operator SDK
”中介绍过的
Operator SDK
。
Jimmy Zelinskie
是
OLM
幕后的主要人物之一，他是如此形容
OLM
的：
OLM
为
Operator
的作者们做了很多工作，而且它还解决了很多人没想过 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.