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.
使用自定义资源
｜
95
- name: v1alpha1
served: true
storage: true
在这个例子中，
CRD
的名字是
ats.cnat.programming-kubernetes.info
，
这个名字必须以该资源名称英文单词的复数形式开头，后面加上组名。这个
CRD
定义一个了位于
cnat.programming-kubernetes.info
这个命名空间中的
型别
At
所对应的
CR
，并将其命名为
ats
。
一旦集群中创建了这个
CRD
，
kubectl
就能自动检测到相关的资源，用户可
以通过下面的命令来看到这些资源：
$ kubectl get ats
NAME CREATED AT
ats.cnat.programming-kubernetes.info 2019-04-01T14:03:33Z
4.1
服务发现信息
在幕后，
kubectl
使用
API
服务器所提供的服务发现信息来找到新的资源。
让我们一起来深入理解一下这个发现机制。
为
kubectl
启用更高级别的日志，我们便能从日志中了解到
kubectl
是如何
发现这种新的资源类型的：
$ kubectl get ats -v=7
... GET https://XXX.eks.amazonaws.com/apis/cnat.programming-kubernetes.info/
v1alpha1/namespaces/cnat/ats?limit=500 ...
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.