June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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编写
Operator
的方案
｜
163
在我们创建一个
ats.cnat.programming-kubernetes.info
类型的
CR
之前，自定
义控制器将一直保持在这个状态。让我们创建一个
CR
试试吧：
$ cat deploy/crds/cnat_v1alpha1_at_cr.yaml
apiVersion: cnat.programming-kubernetes.info/v1alpha1
kind: At
metadata:
name: example-at
spec:
schedule: "2019-04-11T14:56:30Z"
command: "echo YAY"
$ kubectl apply -f deploy/crds/cnat_v1alpha1_at_cr.yaml
$ kubectl get at
NAME AGE
at.cnat.programming-kubernetes.info/example-at 54s
6.4.2
业务逻辑
就实现业务逻辑而言，我们需要在
Operator
里实现两部分代码：
•
修改
pkg/apis/cnat/v1alpha1/at_types.go
中的
AtSpec
结构体，添加需要的
字段，比如
schedule
和
command
。并使用
operator-sdk generate k8s
命
令生成代码，用
operator-sdk generate openapi
命令生成
OpenAPI
部分。
•
修改
pkg/contr ...
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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.