June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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106
｜
第
4
章
$ kubectl get ats
NAME SCHEDULER COMMAND PHASE
foo 2019-07-03T02:00:00Z echo
“
hello world
”
Pending
接下来，让我们来学习子资源。
4.3.4
子资源
在
“
3.3.1
状态子资源：
UpdateStatus
”中，我们简单提到了子资源的概念。
子资源是一个特殊的
HTTP
端点，通过在普通资源的
HTTP
路径后加上后
缀得到。比如一个
Pod
的标准
HTTP
路径是
/api/v1/namespaces/namespace/
pods/name
，
Pod
还具有一系列子资源，比如
/logs
、
/portforward
、
/exec
和
/
status
，它们对应的子资源
HTTP
路径为：
•
/api/v1/namespace/
namespaces
/pods/
name
/logs
•
/api/v1/namespace/
namespaces
/pods/
name
/portforward
•
/api/v1/namespace/
namespaces
/pods/
name
/exec
•
/api/v1/namespace/
namespaces
/pods/
name
/status
子资源的端点可以使用与主资源端点不同的协议。
截止本书写作之时，自定义资源支持两种子资源：
/scale
和
/status
。它们都必
须在
CRD
中显式启用后才可使用。
4.3.4.1
状态子资源
/status
子资源用于把用户提供的
CR
实例的规格与控制器提供的状态分离。 ...
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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.