June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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自定义资源进阶
｜
295
通常情况下（当然也与环境有密切的关系），调用
Webhook
带来的延迟是大
约
100
毫秒。所以串行运行很多
Webhook
会对用户创建或更新对象时带来可
观的处理延迟。
9.2.3
注册准入
Webhook
准入
Webhook
不在
CRD
清单文件中注册。原因是它们不仅仅可以用于
CRD
，还可以用于其他任何资源。你可以为标准的
Kubernetes
资源添加自定
义的准入
Webhook
。
准入
Webhook
通过
MutatingWebhookRegistration
和
ValidatingWebhook
Registration
这两个对象来注册，这两个注册对象仅仅是型别名字不同：
apiVersion: admissionregistration.k8s.io/v1beta1
kind: MutatingWebhookConfiguration
metadata:
name: restaurant.programming-kubernetes.info
webhooks:
- name: restaurant.programming-kubernetes.info
failurePolicy: Fail
sideEffects: None
admissionReviewVersions:
- v1beta1
rules:
- apiGroups:
- "restaurant.programming-kubernetes.info"
apiVersions:
- v1alpha1
-
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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.
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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.