June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
266
｜
第
8
章
}
这个
etcd
路径前缀与
Kubernetes API
服务器使用的路径不同，因为它们的
API
组名字不同。
另外，
etcd
服务是可以被代理的。
etcdproxy-controller
这个项目通过
Operator
模式实现了这种机制。也就是说，
etcd
代理服务器可以自动部署到集群中并
通过
EtcdProxy
对象对其进行配置。
etcd
代理服务器会自动进行键映射，所以它能保证
etcd
的键前缀不会发生冲
突。这就可以让多个聚合
API
服务器共享同一个
etcd
集群，并且不用担心某
个
API
服务器会读取或修改其他
API
服务器的数据。当因为资源限制或运维
收本的考量需要共享
etcd
集群时，使用这个代理能提高共享
etcd
环境的安
全等级。
取决于不同的环境，需要在这几种使用模式中选择一种。另外，聚合
API
服
务器也可以使用其他的存储后端，至少理论上是这样，不过这需要自己实现
k8s.io/apiserver
中的很多存储接口。
8.6
小结
本章的内容相当庞杂，终于到了总结的时候。在本章中，你学到了很多
Kubernetes API
相关的背景知识，并了解了它们是如何实现的。
我们学习了聚合自定义
API
服务器是如何融入到
Kubernetes
集群中的，还
学习了自定义
API
服务器是如何处理从
Kubernetes API
服务器代理过来的请
求的，以及
Kubernetes API
服务器是如何对这些请求进行预鉴权、如何实现
API
组（包括外部版本和内部版本）。我们学习了对象是如何转换成
Golang
结构体的、默认值是如何实现
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.