# namespace-lifecycle

Published articles for namespace-lifecycle.

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## 【kube-apiserver】Admission 链概览：内置插件顺序与 webhook 边界

DevFeed: [【kube-apiserver】Admission 链概览：内置插件顺序与 webhook 边界](<https://devfeed.tech/articles/kube-apiserver-admission-webhook-33964.md>)

Original publisher: [Read original article](<https://quant67.com/post/apiserver/08-admission-chain/08-admission-chain.html>)

Author: Liao Tonglang

Published: 2026-08-28T00:00:00Z

Content type: tutorial

Language: zh

Sources: [土法炼钢 - 系统与基础设施](<https://devfeed.tech/sources/source-4.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>)

Tags: [admission](<https://devfeed.tech/tags/admission.md>), [api](<https://devfeed.tech/tags/api.md>), [apiserver](<https://devfeed.tech/tags/apiserver.md>), [authz](<https://devfeed.tech/tags/authz.md>), [controllers](<https://devfeed.tech/tags/controllers.md>), [distributed](<https://devfeed.tech/tags/distributed.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [mutating](<https://devfeed.tech/tags/mutating.md>), [namespace-lifecycle](<https://devfeed.tech/tags/namespace-lifecycle.md>), [openapi](<https://devfeed.tech/tags/openapi.md>), [resourcequota](<https://devfeed.tech/tags/resourcequota.md>), [timeout](<https://devfeed.tech/tags/timeout.md>), [v1-30-3](<https://devfeed.tech/tags/v1-30-3.md>), [validating](<https://devfeed.tech/tags/validating.md>), [webhook](<https://devfeed.tech/tags/webhook.md>)

### AI overview

This tutorial explains the Kubernetes v1.30.3 admission chain in kube-apiserver. It places Admission between authorization and storage, describes the Mutating-then-Validating order, and covers built-in plugins, webhooks, timeout behavior, and fail-open versus fail-closed considerations.

### Source excerpt

钉 Kubernetes v1.30.3 Admission 链的阶段位置、Mutating 与 Validating 两阶段顺序、内置插件注册路径与典型示例、webhook 边界与 timeout 语义，以及 fail-open vs fail-closed 的工程争议。