June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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发布控制器和
Operator
｜
179
证程序），它不仅是一个推荐的流程，而且对任何部署场景它都是非常重要的，
哪怕你并不打算把你的应用发布在
Operator Hub
上。
7.2
准生产部署
这一节我们来回顾和讨论如何让你的自定义控制器和
Operator
达到准生产状
态。下面是一个基本的检查表：
•
使用
Kubernetes Deployment
或者
DaemonSet
来管理你的自定义控制器，
这样当它们出现问题后（这迟早会发生），会自动重启。
•
对特定的端点进行健康检查，来进行存活和可用性探测。这和前一步一起
保证了你的
Operator
有更好的自我恢复能力。
•
考虑主从
/
冷备模型，保证即使在你的控制器
Pod
出现问题的情况下，其
他
Pod
还可以接管它的工作。不过需要注意，状态同步是一个重要且不简
单的工作。
•
提供访问控制资源，例如服务账号和角色，且遵循最小特权原则；参考“
7.2.1
将权限设置正确”了解更多细节。
•
考虑自动化构建和测试。相关的建议可参考“
7.2.2
自动构建与测试”。
•
主动处理监控和日志。参考“
7.2.3
自定义控制器和可观测性”了解其重
要性及应该怎么做。
我们同时建议你细读前面提到过的文章“
Kubernetes Operator Development
Guidelines for Improved Usability
”了解更多细节。
7.2.1
将权限设置正确
你的自定义控制器是
Kubernetes
控制平面的一部分。它需要读取资源的状态、
在
Kubernetes
内部或（也可能是）外部创建资源，并操作它自己的资源。为 ...
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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.