5090 lines
316 KiB
HTML
5090 lines
316 KiB
HTML
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<!DOCTYPE HTML>
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<html lang="zh-hans" >
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<head>
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<meta charset="UTF-8">
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
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<title>Sidecar 的注入与流量劫持 · Kubernetes 中文指南——云原生应用架构实战手册</title>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="description" content="">
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<meta name="generator" content="GitBook 3.2.3">
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<meta name="author" content="宋净超（Jimmy Song）">
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<link rel="stylesheet" href="../gitbook/style.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-splitter/splitter.css">
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<meta name="HandheldFriendly" content="true"/>
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<link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
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<link rel="next" href="how-to-integrate-istio-with-vm.html" />
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<link rel="prev" href="istio-community-tips.html" />
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<link rel="shortcut icon" href='../favicon.ico' type="image/x-icon">
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<link rel="bookmark" href='../favicon.ico' type="image/x-icon">
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<style>
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@media only screen and (max-width: 640px) {
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.book-header .hidden-mobile {
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display: none;
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</style>
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<script>
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window["gitbook-plugin-github-buttons"] = {"repo":"rootsongjc/kubernetes-handbook","types":["star"],"size":"small"};
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</head>
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<body>
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<div class="book">
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<div class="book-summary">
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<div id="book-search-input" role="search">
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<input type="text" placeholder="输入并搜索" />
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</div>
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<nav role="navigation">
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<ul class="summary">
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<li>
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<a href="https://jimmysong.io" target="_blank" class="custom-link">回到主页</a>
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</li>
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<li>
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<a href="https://jimmysong.io/book/" target="_blank" class="custom-link">全部书籍</a>
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</li>
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<li>
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<a href="https://jimmysong.io/awesome-cloud-native/" target="_blank" class="custom-link">云原生开源项目大全</a>
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</li>
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<li>
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<a href="https://cloudnative.to" target="_blank" class="custom-link">云原生社区</a>
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</li>
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<li class="divider"></li>
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<li class="header">前言</li>
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<li class="chapter " data-level="1.1" data-path="../">
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<a href="../">
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<b>1.1.</b>
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序言
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</a>
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</li>
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<li class="header">云原生</li>
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<li class="chapter " data-level="2.1" data-path="../cloud-native/cloud-native-definition.html">
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<a href="../cloud-native/cloud-native-definition.html">
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||
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<b>2.1.</b>
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云原生的定义
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</a>
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</li>
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<li class="chapter " data-level="2.2" data-path="../cloud-native/cloud-native-philosophy.html">
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<a href="../cloud-native/cloud-native-philosophy.html">
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<b>2.2.</b>
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云原生的设计哲学
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</a>
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||
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||
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</li>
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||
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<li class="chapter " data-level="2.3" data-path="../cloud-native/kubernetes-history.html">
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<a href="../cloud-native/kubernetes-history.html">
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||
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<b>2.3.</b>
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Kubernetes 的诞生
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</a>
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</li>
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<li class="chapter " data-level="2.4" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
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<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
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<b>2.4.</b>
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Kubernetes 与云原生应用概览
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</a>
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||
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||
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||
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||
</li>
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||
|
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<li class="chapter " data-level="2.5" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
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||
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||
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
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||
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||
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||
<b>2.5.</b>
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||
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||
云原生应用之路 —— 从 Kubernetes 到云原生
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||
|
||
</a>
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||
|
||
|
||
|
||
</li>
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||
|
||
<li class="chapter " data-level="2.6" data-path="../cloud-native/define-cloud-native-app.html">
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||
|
||
<a href="../cloud-native/define-cloud-native-app.html">
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||
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||
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||
<b>2.6.</b>
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||
|
||
定义云原生应用
|
||
|
||
</a>
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||
|
||
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||
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||
<ul class="articles">
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||
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|
||
<li class="chapter " data-level="2.6.1" data-path="../cloud-native/oam.html">
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||
|
||
<a href="../cloud-native/oam.html">
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||
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||
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||
<b>2.6.1.</b>
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||
|
||
OAM
|
||
|
||
</a>
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||
|
||
|
||
|
||
<ul class="articles">
|
||
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||
|
||
<li class="chapter " data-level="2.6.1.1" data-path="../cloud-native/workload.html">
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||
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||
<a href="../cloud-native/workload.html">
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||
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||
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||
<b>2.6.1.1.</b>
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||
|
||
Workload
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||
|
||
</a>
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||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.6.1.2" data-path="../cloud-native/component.html">
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||
|
||
<a href="../cloud-native/component.html">
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||
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||
|
||
<b>2.6.1.2.</b>
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||
|
||
Component
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.6.1.3" data-path="../cloud-native/trait.html">
|
||
|
||
<a href="../cloud-native/trait.html">
|
||
|
||
|
||
<b>2.6.1.3.</b>
|
||
|
||
Trait
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.6.1.4" data-path="../cloud-native/application-scope.html">
|
||
|
||
<a href="../cloud-native/application-scope.html">
|
||
|
||
|
||
<b>2.6.1.4.</b>
|
||
|
||
Application Scope
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.6.1.5" data-path="../cloud-native/application-configuration.html">
|
||
|
||
<a href="../cloud-native/application-configuration.html">
|
||
|
||
|
||
<b>2.6.1.5.</b>
|
||
|
||
Application Configuration
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.6.2" data-path="../cloud-native/crossplane.html">
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||
|
||
<a href="../cloud-native/crossplane.html">
|
||
|
||
|
||
<b>2.6.2.</b>
|
||
|
||
Crossplane
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.7" data-path="../cloud-native/cloud-native-programming-languages.html">
|
||
|
||
<a href="../cloud-native/cloud-native-programming-languages.html">
|
||
|
||
|
||
<b>2.7.</b>
|
||
|
||
云原生平台配置语言
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="2.7.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
|
||
|
||
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
|
||
|
||
|
||
<b>2.7.1.</b>
|
||
|
||
Ballerina
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.7.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
|
||
|
||
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
|
||
|
||
|
||
<b>2.7.2.</b>
|
||
|
||
Pulumi
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="2.8" data-path="../cloud-native/the-future-of-cloud-native.html">
|
||
|
||
<a href="../cloud-native/the-future-of-cloud-native.html">
|
||
|
||
|
||
<b>2.8.</b>
|
||
|
||
云原生的未来
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">快速入门</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="3.1" data-path="../cloud-native/quick-start.html">
|
||
|
||
<a href="../cloud-native/quick-start.html">
|
||
|
||
|
||
<b>3.1.</b>
|
||
|
||
云原生新手入门指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="3.2" data-path="../cloud-native/play-with-kubernetes.html">
|
||
|
||
<a href="../cloud-native/play-with-kubernetes.html">
|
||
|
||
|
||
<b>3.2.</b>
|
||
|
||
Play with Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="3.3" data-path="../cloud-native/cloud-native-local-quick-start.html">
|
||
|
||
<a href="../cloud-native/cloud-native-local-quick-start.html">
|
||
|
||
|
||
<b>3.3.</b>
|
||
|
||
快速部署一个云原生本地实验环境
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="3.4" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
|
||
|
||
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
|
||
|
||
|
||
<b>3.4.</b>
|
||
|
||
使用 Rancher 在阿里云上部署 Kubenretes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">概念与原理</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="4.1" data-path="../concepts/">
|
||
|
||
<a href="../concepts/">
|
||
|
||
|
||
<b>4.1.</b>
|
||
|
||
Kubernetes 架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.1.1" data-path="../concepts/concepts.html">
|
||
|
||
<a href="../concepts/concepts.html">
|
||
|
||
|
||
<b>4.1.1.</b>
|
||
|
||
Kubernetes 的设计理念
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.1.2" data-path="../concepts/etcd.html">
|
||
|
||
<a href="../concepts/etcd.html">
|
||
|
||
|
||
<b>4.1.2.</b>
|
||
|
||
Etcd 解析
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.1.3" data-path="../concepts/open-interfaces.html">
|
||
|
||
<a href="../concepts/open-interfaces.html">
|
||
|
||
|
||
<b>4.1.3.</b>
|
||
|
||
开放接口
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.1.3.1" data-path="../concepts/cri.html">
|
||
|
||
<a href="../concepts/cri.html">
|
||
|
||
|
||
<b>4.1.3.1.</b>
|
||
|
||
容器运行时接口（CRI）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.1.3.2" data-path="../concepts/cni.html">
|
||
|
||
<a href="../concepts/cni.html">
|
||
|
||
|
||
<b>4.1.3.2.</b>
|
||
|
||
容器网络接口（CNI）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.1.3.3" data-path="../concepts/csi.html">
|
||
|
||
<a href="../concepts/csi.html">
|
||
|
||
|
||
<b>4.1.3.3.</b>
|
||
|
||
容器存储接口（CSI）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.1.4" data-path="../concepts/objects.html">
|
||
|
||
<a href="../concepts/objects.html">
|
||
|
||
|
||
<b>4.1.4.</b>
|
||
|
||
Kubernetes 中的资源对象
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2" data-path="../concepts/pod-state-and-lifecycle.html">
|
||
|
||
<a href="../concepts/pod-state-and-lifecycle.html">
|
||
|
||
|
||
<b>4.2.</b>
|
||
|
||
Pod 状态与生命周期管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.2.1" data-path="../concepts/pod-overview.html">
|
||
|
||
<a href="../concepts/pod-overview.html">
|
||
|
||
|
||
<b>4.2.1.</b>
|
||
|
||
Pod 概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.2" data-path="../concepts/pod.html">
|
||
|
||
<a href="../concepts/pod.html">
|
||
|
||
|
||
<b>4.2.2.</b>
|
||
|
||
Pod 解析
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.3" data-path="../concepts/init-containers.html">
|
||
|
||
<a href="../concepts/init-containers.html">
|
||
|
||
|
||
<b>4.2.3.</b>
|
||
|
||
Init 容器
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.4" data-path="../concepts/pause-container.html">
|
||
|
||
<a href="../concepts/pause-container.html">
|
||
|
||
|
||
<b>4.2.4.</b>
|
||
|
||
Pause 容器
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.5" data-path="../concepts/pod-security-policy.html">
|
||
|
||
<a href="../concepts/pod-security-policy.html">
|
||
|
||
|
||
<b>4.2.5.</b>
|
||
|
||
Pod 安全策略
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.6" data-path="../concepts/pod-lifecycle.html">
|
||
|
||
<a href="../concepts/pod-lifecycle.html">
|
||
|
||
|
||
<b>4.2.6.</b>
|
||
|
||
Pod 的生命周期
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.7" data-path="../concepts/pod-hook.html">
|
||
|
||
<a href="../concepts/pod-hook.html">
|
||
|
||
|
||
<b>4.2.7.</b>
|
||
|
||
Pod Hook
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.8" data-path="../concepts/pod-preset.html">
|
||
|
||
<a href="../concepts/pod-preset.html">
|
||
|
||
|
||
<b>4.2.8.</b>
|
||
|
||
Pod Preset
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.2.9" data-path="../concepts/pod-disruption-budget.html">
|
||
|
||
<a href="../concepts/pod-disruption-budget.html">
|
||
|
||
|
||
<b>4.2.9.</b>
|
||
|
||
Pod 中断与 PDB（Pod 中断预算）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3" data-path="../concepts/cluster.html">
|
||
|
||
<a href="../concepts/cluster.html">
|
||
|
||
|
||
<b>4.3.</b>
|
||
|
||
集群资源管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.3.1" data-path="../concepts/node.html">
|
||
|
||
<a href="../concepts/node.html">
|
||
|
||
|
||
<b>4.3.1.</b>
|
||
|
||
Node
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3.2" data-path="../concepts/namespace.html">
|
||
|
||
<a href="../concepts/namespace.html">
|
||
|
||
|
||
<b>4.3.2.</b>
|
||
|
||
Namespace
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3.3" data-path="../concepts/label.html">
|
||
|
||
<a href="../concepts/label.html">
|
||
|
||
|
||
<b>4.3.3.</b>
|
||
|
||
Label
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3.4" data-path="../concepts/annotation.html">
|
||
|
||
<a href="../concepts/annotation.html">
|
||
|
||
|
||
<b>4.3.4.</b>
|
||
|
||
Annotation
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3.5" data-path="../concepts/taint-and-toleration.html">
|
||
|
||
<a href="../concepts/taint-and-toleration.html">
|
||
|
||
|
||
<b>4.3.5.</b>
|
||
|
||
Taint 和 Toleration（污点和容忍）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.3.6" data-path="../concepts/garbage-collection.html">
|
||
|
||
<a href="../concepts/garbage-collection.html">
|
||
|
||
|
||
<b>4.3.6.</b>
|
||
|
||
垃圾收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4" data-path="../concepts/controllers.html">
|
||
|
||
<a href="../concepts/controllers.html">
|
||
|
||
|
||
<b>4.4.</b>
|
||
|
||
控制器
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.4.1" data-path="../concepts/deployment.html">
|
||
|
||
<a href="../concepts/deployment.html">
|
||
|
||
|
||
<b>4.4.1.</b>
|
||
|
||
Deployment
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.2" data-path="../concepts/statefulset.html">
|
||
|
||
<a href="../concepts/statefulset.html">
|
||
|
||
|
||
<b>4.4.2.</b>
|
||
|
||
StatefulSet
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.3" data-path="../concepts/daemonset.html">
|
||
|
||
<a href="../concepts/daemonset.html">
|
||
|
||
|
||
<b>4.4.3.</b>
|
||
|
||
DaemonSet
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.4" data-path="../concepts/replicaset.html">
|
||
|
||
<a href="../concepts/replicaset.html">
|
||
|
||
|
||
<b>4.4.4.</b>
|
||
|
||
ReplicationController 和 ReplicaSet
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.5" data-path="../concepts/job.html">
|
||
|
||
<a href="../concepts/job.html">
|
||
|
||
|
||
<b>4.4.5.</b>
|
||
|
||
Job
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.6" data-path="../concepts/cronjob.html">
|
||
|
||
<a href="../concepts/cronjob.html">
|
||
|
||
|
||
<b>4.4.6.</b>
|
||
|
||
CronJob
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.7" data-path="../concepts/horizontal-pod-autoscaling.html">
|
||
|
||
<a href="../concepts/horizontal-pod-autoscaling.html">
|
||
|
||
|
||
<b>4.4.7.</b>
|
||
|
||
Horizontal Pod Autoscaling
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.4.7.1" data-path="../concepts/custom-metrics-hpa.html">
|
||
|
||
<a href="../concepts/custom-metrics-hpa.html">
|
||
|
||
|
||
<b>4.4.7.1.</b>
|
||
|
||
自定义指标 HPA
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.4.8" data-path="../concepts/admission-controller.html">
|
||
|
||
<a href="../concepts/admission-controller.html">
|
||
|
||
|
||
<b>4.4.8.</b>
|
||
|
||
准入控制器（Admission Controller）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.5" data-path="../concepts/service-discovery.html">
|
||
|
||
<a href="../concepts/service-discovery.html">
|
||
|
||
|
||
<b>4.5.</b>
|
||
|
||
服务发现与路由
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.5.1" data-path="../concepts/service.html">
|
||
|
||
<a href="../concepts/service.html">
|
||
|
||
|
||
<b>4.5.1.</b>
|
||
|
||
Service
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.5.2" data-path="../concepts/topology-aware-routing.html">
|
||
|
||
<a href="../concepts/topology-aware-routing.html">
|
||
|
||
|
||
<b>4.5.2.</b>
|
||
|
||
拓扑感知路由
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.5.3" data-path="../concepts/ingress.html">
|
||
|
||
<a href="../concepts/ingress.html">
|
||
|
||
|
||
<b>4.5.3.</b>
|
||
|
||
Ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.5.3.1" data-path="../concepts/traefik-ingress-controller.html">
|
||
|
||
<a href="../concepts/traefik-ingress-controller.html">
|
||
|
||
|
||
<b>4.5.3.1.</b>
|
||
|
||
Traefik Ingress Controller
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.5.4" data-path="../concepts/gateway.html">
|
||
|
||
<a href="../concepts/gateway.html">
|
||
|
||
|
||
<b>4.5.4.</b>
|
||
|
||
Gateway
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.6" data-path="../concepts/authentication-and-permission.html">
|
||
|
||
<a href="../concepts/authentication-and-permission.html">
|
||
|
||
|
||
<b>4.6.</b>
|
||
|
||
身份与权限控制
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.6.1" data-path="../concepts/serviceaccount.html">
|
||
|
||
<a href="../concepts/serviceaccount.html">
|
||
|
||
|
||
<b>4.6.1.</b>
|
||
|
||
ServiceAccount
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.6.2" data-path="../concepts/rbac.html">
|
||
|
||
<a href="../concepts/rbac.html">
|
||
|
||
|
||
<b>4.6.2.</b>
|
||
|
||
基于角色的访问控制（RBAC）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.6.3" data-path="../concepts/network-policy.html">
|
||
|
||
<a href="../concepts/network-policy.html">
|
||
|
||
|
||
<b>4.6.3.</b>
|
||
|
||
NetworkPolicy
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.6.4" data-path="../concepts/spiffe.html">
|
||
|
||
<a href="../concepts/spiffe.html">
|
||
|
||
|
||
<b>4.6.4.</b>
|
||
|
||
SPIFFE
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.6.4.1" data-path="../concepts/spire.html">
|
||
|
||
<a href="../concepts/spire.html">
|
||
|
||
|
||
<b>4.6.4.1.</b>
|
||
|
||
SPIRE
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.7" data-path="../concepts/networking.html">
|
||
|
||
<a href="../concepts/networking.html">
|
||
|
||
|
||
<b>4.7.</b>
|
||
|
||
网络
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.7.1" data-path="../concepts/flannel.html">
|
||
|
||
<a href="../concepts/flannel.html">
|
||
|
||
|
||
<b>4.7.1.</b>
|
||
|
||
扁平网络 Flannel
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.7.2" data-path="../concepts/calico.html">
|
||
|
||
<a href="../concepts/calico.html">
|
||
|
||
|
||
<b>4.7.2.</b>
|
||
|
||
非 Overlay 扁平网络 Calico
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.7.3" data-path="../concepts/cilium.html">
|
||
|
||
<a href="../concepts/cilium.html">
|
||
|
||
|
||
<b>4.7.3.</b>
|
||
|
||
基于 eBPF 的网络 Cilium
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.7.3.1" data-path="../concepts/cilium-concepts.html">
|
||
|
||
<a href="../concepts/cilium-concepts.html">
|
||
|
||
|
||
<b>4.7.3.1.</b>
|
||
|
||
Cilium 架构设计与概念解析
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8" data-path="../concepts/storage.html">
|
||
|
||
<a href="../concepts/storage.html">
|
||
|
||
|
||
<b>4.8.</b>
|
||
|
||
存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.8.1" data-path="../concepts/secret.html">
|
||
|
||
<a href="../concepts/secret.html">
|
||
|
||
|
||
<b>4.8.1.</b>
|
||
|
||
Secret
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8.2" data-path="../concepts/configmap.html">
|
||
|
||
<a href="../concepts/configmap.html">
|
||
|
||
|
||
<b>4.8.2.</b>
|
||
|
||
ConfigMap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.8.2.1" data-path="../concepts/configmap-hot-update.html">
|
||
|
||
<a href="../concepts/configmap-hot-update.html">
|
||
|
||
|
||
<b>4.8.2.1.</b>
|
||
|
||
ConfigMap 的热更新
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8.3" data-path="../concepts/volume.html">
|
||
|
||
<a href="../concepts/volume.html">
|
||
|
||
|
||
<b>4.8.3.</b>
|
||
|
||
Volume
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8.4" data-path="../concepts/persistent-volume.html">
|
||
|
||
<a href="../concepts/persistent-volume.html">
|
||
|
||
|
||
<b>4.8.4.</b>
|
||
|
||
持久化卷（Persistent Volume）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8.5" data-path="../concepts/storageclass.html">
|
||
|
||
<a href="../concepts/storageclass.html">
|
||
|
||
|
||
<b>4.8.5.</b>
|
||
|
||
Storage Class
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.8.6" data-path="../concepts/local-persistent-storage.html">
|
||
|
||
<a href="../concepts/local-persistent-storage.html">
|
||
|
||
|
||
<b>4.8.6.</b>
|
||
|
||
本地持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.9" data-path="../concepts/extension.html">
|
||
|
||
<a href="../concepts/extension.html">
|
||
|
||
|
||
<b>4.9.</b>
|
||
|
||
集群扩展
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.9.1" data-path="../concepts/custom-resource.html">
|
||
|
||
<a href="../concepts/custom-resource.html">
|
||
|
||
|
||
<b>4.9.1.</b>
|
||
|
||
使用自定义资源扩展 API
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.9.2" data-path="../concepts/crd.html">
|
||
|
||
<a href="../concepts/crd.html">
|
||
|
||
|
||
<b>4.9.2.</b>
|
||
|
||
使用 CRD 扩展 Kubernetes API
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.9.3" data-path="../concepts/aggregated-api-server.html">
|
||
|
||
<a href="../concepts/aggregated-api-server.html">
|
||
|
||
|
||
<b>4.9.3.</b>
|
||
|
||
Aggregated API Server
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.9.4" data-path="../concepts/apiservice.html">
|
||
|
||
<a href="../concepts/apiservice.html">
|
||
|
||
|
||
<b>4.9.4.</b>
|
||
|
||
APIService
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.9.5" data-path="../concepts/service-catalog.html">
|
||
|
||
<a href="../concepts/service-catalog.html">
|
||
|
||
|
||
<b>4.9.5.</b>
|
||
|
||
服务目录（Service Catalog）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.10" data-path="../concepts/multicluster.html">
|
||
|
||
<a href="../concepts/multicluster.html">
|
||
|
||
|
||
<b>4.10.</b>
|
||
|
||
多集群管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.10.1" data-path="../concepts/multi-cluster-services-api.html">
|
||
|
||
<a href="../concepts/multi-cluster-services-api.html">
|
||
|
||
|
||
<b>4.10.1.</b>
|
||
|
||
多集群服务 API（Multi-Cluster Services API）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.10.2" data-path="../practice/federation.html">
|
||
|
||
<a href="../practice/federation.html">
|
||
|
||
|
||
<b>4.10.2.</b>
|
||
|
||
集群联邦（Cluster Federation）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="4.11" data-path="../concepts/scheduling.html">
|
||
|
||
<a href="../concepts/scheduling.html">
|
||
|
||
|
||
<b>4.11.</b>
|
||
|
||
资源调度
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="4.11.1" data-path="../concepts/qos.html">
|
||
|
||
<a href="../concepts/qos.html">
|
||
|
||
|
||
<b>4.11.1.</b>
|
||
|
||
服务质量等级（QoS）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">用户指南</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="5.1" data-path="../guide/">
|
||
|
||
<a href="../guide/">
|
||
|
||
|
||
<b>5.1.</b>
|
||
|
||
用户指南概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.2" data-path="../guide/resource-configuration.html">
|
||
|
||
<a href="../guide/resource-configuration.html">
|
||
|
||
|
||
<b>5.2.</b>
|
||
|
||
资源对象配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="5.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
|
||
|
||
<a href="../guide/configure-liveness-readiness-probes.html">
|
||
|
||
|
||
<b>5.2.1.</b>
|
||
|
||
配置 Pod 的 liveness 和 readiness 探针
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.2.2" data-path="../guide/configure-pod-service-account.html">
|
||
|
||
<a href="../guide/configure-pod-service-account.html">
|
||
|
||
|
||
<b>5.2.2.</b>
|
||
|
||
配置 Pod 的 Service Account
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.2.3" data-path="../guide/secret-configuration.html">
|
||
|
||
<a href="../guide/secret-configuration.html">
|
||
|
||
|
||
<b>5.2.3.</b>
|
||
|
||
Secret 配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.2.4" data-path="../guide/resource-quota-management.html">
|
||
|
||
<a href="../guide/resource-quota-management.html">
|
||
|
||
|
||
<b>5.2.4.</b>
|
||
|
||
管理 namespace 中的资源配额
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.3" data-path="../guide/command-usage.html">
|
||
|
||
<a href="../guide/command-usage.html">
|
||
|
||
|
||
<b>5.3.</b>
|
||
|
||
命令使用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="5.3.1" data-path="../guide/docker-cli-to-kubectl.html">
|
||
|
||
<a href="../guide/docker-cli-to-kubectl.html">
|
||
|
||
|
||
<b>5.3.1.</b>
|
||
|
||
Docker 用户过渡到 kubectl 命令行指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.3.2" data-path="../guide/using-kubectl.html">
|
||
|
||
<a href="../guide/using-kubectl.html">
|
||
|
||
|
||
<b>5.3.2.</b>
|
||
|
||
kubectl 命令概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.3.3" data-path="../guide/kubectl-cheatsheet.html">
|
||
|
||
<a href="../guide/kubectl-cheatsheet.html">
|
||
|
||
|
||
<b>5.3.3.</b>
|
||
|
||
kubectl 命令技巧大全
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
|
||
|
||
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
|
||
|
||
|
||
<b>5.3.4.</b>
|
||
|
||
使用 etcdctl 访问 Kubernetes 数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4" data-path="../guide/cluster-security-management.html">
|
||
|
||
<a href="../guide/cluster-security-management.html">
|
||
|
||
|
||
<b>5.4.</b>
|
||
|
||
集群安全性管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="5.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
<a href="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
|
||
<b>5.4.1.</b>
|
||
|
||
管理集群中的 TLS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.2" data-path="../guide/kubelet-authentication-authorization.html">
|
||
|
||
<a href="../guide/kubelet-authentication-authorization.html">
|
||
|
||
|
||
<b>5.4.2.</b>
|
||
|
||
kubelet 的认证授权
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.3" data-path="../guide/tls-bootstrapping.html">
|
||
|
||
<a href="../guide/tls-bootstrapping.html">
|
||
|
||
|
||
<b>5.4.3.</b>
|
||
|
||
TLS Bootstrap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
<a href="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
|
||
<b>5.4.4.</b>
|
||
|
||
创建用户认证授权的 kubeconfig 文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.5" data-path="../guide/ip-masq-agent.html">
|
||
|
||
<a href="../guide/ip-masq-agent.html">
|
||
|
||
|
||
<b>5.4.5.</b>
|
||
|
||
IP 伪装代理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.6" data-path="../guide/auth-with-kubeconfig-or-token.html">
|
||
|
||
<a href="../guide/auth-with-kubeconfig-or-token.html">
|
||
|
||
|
||
<b>5.4.6.</b>
|
||
|
||
使用 kubeconfig 或 token 进行用户身份认证
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.7" data-path="../guide/authentication.html">
|
||
|
||
<a href="../guide/authentication.html">
|
||
|
||
|
||
<b>5.4.7.</b>
|
||
|
||
Kubernetes 中的用户与身份认证授权
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.4.8" data-path="../guide/kubernetes-security-best-practice.html">
|
||
|
||
<a href="../guide/kubernetes-security-best-practice.html">
|
||
|
||
|
||
<b>5.4.8.</b>
|
||
|
||
Kubernetes 集群安全性配置最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5" data-path="../guide/access-kubernetes-cluster.html">
|
||
|
||
<a href="../guide/access-kubernetes-cluster.html">
|
||
|
||
|
||
<b>5.5.</b>
|
||
|
||
访问 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="5.5.1" data-path="../guide/access-cluster.html">
|
||
|
||
<a href="../guide/access-cluster.html">
|
||
|
||
|
||
<b>5.5.1.</b>
|
||
|
||
访问集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
|
||
<b>5.5.2.</b>
|
||
|
||
使用 kubeconfig 文件配置跨集群认证
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
<a href="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
|
||
<b>5.5.3.</b>
|
||
|
||
通过端口转发访问集群中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.4" data-path="../guide/service-access-application-cluster.html">
|
||
|
||
<a href="../guide/service-access-application-cluster.html">
|
||
|
||
|
||
<b>5.5.4.</b>
|
||
|
||
使用 service 访问群集中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.5" data-path="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
|
||
|
||
<a href="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
|
||
|
||
|
||
<b>5.5.5.</b>
|
||
|
||
从外部访问 Kubernetes 中的 Pod
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.6" data-path="../guide/kubernetes-desktop-client.html">
|
||
|
||
<a href="../guide/kubernetes-desktop-client.html">
|
||
|
||
|
||
<b>5.5.6.</b>
|
||
|
||
Lens - Kubernetes IDE
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.5.7" data-path="../guide/kubernator-kubernetes-ui.html">
|
||
|
||
<a href="../guide/kubernator-kubernetes-ui.html">
|
||
|
||
|
||
<b>5.5.7.</b>
|
||
|
||
Kubernator - 更底层的 Kubernetes UI
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.6" data-path="../guide/application-development-deployment-flow.html">
|
||
|
||
<a href="../guide/application-development-deployment-flow.html">
|
||
|
||
|
||
<b>5.6.</b>
|
||
|
||
在 Kubernetes 中开发部署应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="5.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
<a href="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
|
||
<b>5.6.1.</b>
|
||
|
||
适用于 Kubernetes 的应用开发部署流程
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
|
||
<b>5.6.2.</b>
|
||
|
||
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="5.6.3" data-path="../guide/using-statefulset.html">
|
||
|
||
<a href="../guide/using-statefulset.html">
|
||
|
||
|
||
<b>5.6.3.</b>
|
||
|
||
使用 StatefulSet 部署用状态应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">最佳实践</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="6.1" data-path="../practice/">
|
||
|
||
<a href="../practice/">
|
||
|
||
|
||
<b>6.1.</b>
|
||
|
||
最佳实践概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2" data-path="../practice/install-kubernetes-on-centos.html">
|
||
|
||
<a href="../practice/install-kubernetes-on-centos.html">
|
||
|
||
|
||
<b>6.2.</b>
|
||
|
||
在 CentOS 上部署 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.2.1" data-path="../practice/create-tls-and-secret-key.html">
|
||
|
||
<a href="../practice/create-tls-and-secret-key.html">
|
||
|
||
|
||
<b>6.2.1.</b>
|
||
|
||
创建 TLS 证书和秘钥
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.2" data-path="../practice/create-kubeconfig.html">
|
||
|
||
<a href="../practice/create-kubeconfig.html">
|
||
|
||
|
||
<b>6.2.2.</b>
|
||
|
||
创建 kubeconfig 文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.3" data-path="../practice/etcd-cluster-installation.html">
|
||
|
||
<a href="../practice/etcd-cluster-installation.html">
|
||
|
||
|
||
<b>6.2.3.</b>
|
||
|
||
创建高可用 etcd 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.4" data-path="../practice/kubectl-installation.html">
|
||
|
||
<a href="../practice/kubectl-installation.html">
|
||
|
||
|
||
<b>6.2.4.</b>
|
||
|
||
安装 kubectl 命令行工具
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.5" data-path="../practice/master-installation.html">
|
||
|
||
<a href="../practice/master-installation.html">
|
||
|
||
|
||
<b>6.2.5.</b>
|
||
|
||
部署 master 节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.6" data-path="../practice/flannel-installation.html">
|
||
|
||
<a href="../practice/flannel-installation.html">
|
||
|
||
|
||
<b>6.2.6.</b>
|
||
|
||
安装 flannel 网络插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.7" data-path="../practice/node-installation.html">
|
||
|
||
<a href="../practice/node-installation.html">
|
||
|
||
|
||
<b>6.2.7.</b>
|
||
|
||
部署 node 节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.8" data-path="../practice/kubedns-addon-installation.html">
|
||
|
||
<a href="../practice/kubedns-addon-installation.html">
|
||
|
||
|
||
<b>6.2.8.</b>
|
||
|
||
安装 kubedns 插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.9" data-path="../practice/dashboard-addon-installation.html">
|
||
|
||
<a href="../practice/dashboard-addon-installation.html">
|
||
|
||
|
||
<b>6.2.9.</b>
|
||
|
||
安装 dashboard 插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.10" data-path="../practice/heapster-addon-installation.html">
|
||
|
||
<a href="../practice/heapster-addon-installation.html">
|
||
|
||
|
||
<b>6.2.10.</b>
|
||
|
||
安装 heapster 插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.2.11" data-path="../practice/efk-addon-installation.html">
|
||
|
||
<a href="../practice/efk-addon-installation.html">
|
||
|
||
|
||
<b>6.2.11.</b>
|
||
|
||
安装 EFK 插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.3" data-path="../practice/install-kubernetes-with-kubeadm.html">
|
||
|
||
<a href="../practice/install-kubernetes-with-kubeadm.html">
|
||
|
||
|
||
<b>6.3.</b>
|
||
|
||
生产级的 Kubernetes 简化管理工具 kubeadm
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.3.1" data-path="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
|
||
|
||
<a href="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
|
||
|
||
|
||
<b>6.3.1.</b>
|
||
|
||
使用 kubeadm 在 Ubuntu Server 16.04 上快速构建测试集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4" data-path="../practice/service-discovery-and-loadbalancing.html">
|
||
|
||
<a href="../practice/service-discovery-and-loadbalancing.html">
|
||
|
||
|
||
<b>6.4.</b>
|
||
|
||
服务发现与负载均衡
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.4.1" data-path="../practice/traefik-ingress-installation.html">
|
||
|
||
<a href="../practice/traefik-ingress-installation.html">
|
||
|
||
|
||
<b>6.4.1.</b>
|
||
|
||
安装 Traefik ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.2" data-path="../practice/distributed-load-test.html">
|
||
|
||
<a href="../practice/distributed-load-test.html">
|
||
|
||
|
||
<b>6.4.2.</b>
|
||
|
||
分布式负载测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.3" data-path="../practice/network-and-cluster-perfermance-test.html">
|
||
|
||
<a href="../practice/network-and-cluster-perfermance-test.html">
|
||
|
||
|
||
<b>6.4.3.</b>
|
||
|
||
网络和集群性能测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.4" data-path="../practice/edge-node-configuration.html">
|
||
|
||
<a href="../practice/edge-node-configuration.html">
|
||
|
||
|
||
<b>6.4.4.</b>
|
||
|
||
边缘节点配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.5" data-path="../practice/nginx-ingress-installation.html">
|
||
|
||
<a href="../practice/nginx-ingress-installation.html">
|
||
|
||
|
||
<b>6.4.5.</b>
|
||
|
||
安装 Nginx ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.6" data-path="../practice/dns-installation.html">
|
||
|
||
<a href="../practice/dns-installation.html">
|
||
|
||
|
||
<b>6.4.6.</b>
|
||
|
||
安装配置 DNS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.4.6.1" data-path="../practice/configuring-dns.html">
|
||
|
||
<a href="../practice/configuring-dns.html">
|
||
|
||
|
||
<b>6.4.6.1.</b>
|
||
|
||
安装配置 Kube-dns
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.4.6.2" data-path="../practice/coredns.html">
|
||
|
||
<a href="../practice/coredns.html">
|
||
|
||
|
||
<b>6.4.6.2.</b>
|
||
|
||
安装配置 CoreDNS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5" data-path="../practice/operation.html">
|
||
|
||
<a href="../practice/operation.html">
|
||
|
||
|
||
<b>6.5.</b>
|
||
|
||
运维管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.5.1" data-path="../practice/master-ha.html">
|
||
|
||
<a href="../practice/master-ha.html">
|
||
|
||
|
||
<b>6.5.1.</b>
|
||
|
||
Master 节点高可用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.2" data-path="../practice/service-rolling-update.html">
|
||
|
||
<a href="../practice/service-rolling-update.html">
|
||
|
||
|
||
<b>6.5.2.</b>
|
||
|
||
服务滚动升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.3" data-path="../practice/app-log-collection.html">
|
||
|
||
<a href="../practice/app-log-collection.html">
|
||
|
||
|
||
<b>6.5.3.</b>
|
||
|
||
应用日志收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.4" data-path="../practice/configuration-best-practice.html">
|
||
|
||
<a href="../practice/configuration-best-practice.html">
|
||
|
||
|
||
<b>6.5.4.</b>
|
||
|
||
配置最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.5" data-path="../practice/monitor.html">
|
||
|
||
<a href="../practice/monitor.html">
|
||
|
||
|
||
<b>6.5.5.</b>
|
||
|
||
集群及应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.6" data-path="../practice/data-persistence-problem.html">
|
||
|
||
<a href="../practice/data-persistence-problem.html">
|
||
|
||
|
||
<b>6.5.6.</b>
|
||
|
||
数据持久化问题
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.5.7" data-path="../practice/manage-compute-resources-container.html">
|
||
|
||
<a href="../practice/manage-compute-resources-container.html">
|
||
|
||
|
||
<b>6.5.7.</b>
|
||
|
||
管理容器的计算资源
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6" data-path="../practice/storage.html">
|
||
|
||
<a href="../practice/storage.html">
|
||
|
||
|
||
<b>6.6.</b>
|
||
|
||
存储管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.6.1" data-path="../practice/glusterfs.html">
|
||
|
||
<a href="../practice/glusterfs.html">
|
||
|
||
|
||
<b>6.6.1.</b>
|
||
|
||
GlusterFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.6.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
|
||
|
||
<a href="../practice/using-glusterfs-for-persistent-storage.html">
|
||
|
||
|
||
<b>6.6.1.1.</b>
|
||
|
||
使用 GlusterFS 做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.1.2" data-path="../practice/using-heketi-gluster-for-persistent-storage.html">
|
||
|
||
<a href="../practice/using-heketi-gluster-for-persistent-storage.html">
|
||
|
||
|
||
<b>6.6.1.2.</b>
|
||
|
||
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.1.3" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
|
||
<b>6.6.1.3.</b>
|
||
|
||
在 OpenShift 中使用 GlusterFS 做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.2" data-path="../practice/glusterd-2.0.html">
|
||
|
||
<a href="../practice/glusterd-2.0.html">
|
||
|
||
|
||
<b>6.6.2.</b>
|
||
|
||
GlusterD-2.0
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.3" data-path="../practice/ceph.html">
|
||
|
||
<a href="../practice/ceph.html">
|
||
|
||
|
||
<b>6.6.3.</b>
|
||
|
||
Ceph
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.6.3.1" data-path="../practice/ceph-helm-install-guide-zh.html">
|
||
|
||
<a href="../practice/ceph-helm-install-guide-zh.html">
|
||
|
||
|
||
<b>6.6.3.1.</b>
|
||
|
||
用 Helm 托管安装 Ceph 集群并提供后端存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.3.2" data-path="../practice/using-ceph-for-persistent-storage.html">
|
||
|
||
<a href="../practice/using-ceph-for-persistent-storage.html">
|
||
|
||
|
||
<b>6.6.3.2.</b>
|
||
|
||
使用 Ceph 做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.3.3" data-path="../practice/rbd-provisioner.html">
|
||
|
||
<a href="../practice/rbd-provisioner.html">
|
||
|
||
|
||
<b>6.6.3.3.</b>
|
||
|
||
使用 rbd-provisioner 提供 rbd 持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.4" data-path="../practice/openebs.html">
|
||
|
||
<a href="../practice/openebs.html">
|
||
|
||
|
||
<b>6.6.4.</b>
|
||
|
||
OpenEBS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.6.4.1" data-path="../practice/using-openebs-for-persistent-storage.html">
|
||
|
||
<a href="../practice/using-openebs-for-persistent-storage.html">
|
||
|
||
|
||
<b>6.6.4.1.</b>
|
||
|
||
使用 OpenEBS 做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.5" data-path="../practice/rook.html">
|
||
|
||
<a href="../practice/rook.html">
|
||
|
||
|
||
<b>6.6.5.</b>
|
||
|
||
Rook
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.6.6" data-path="../practice/nfs.html">
|
||
|
||
<a href="../practice/nfs.html">
|
||
|
||
|
||
<b>6.6.6.</b>
|
||
|
||
NFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.6.6.1" data-path="../practice/using-nfs-for-persistent-storage.html">
|
||
|
||
<a href="../practice/using-nfs-for-persistent-storage.html">
|
||
|
||
|
||
<b>6.6.6.1.</b>
|
||
|
||
利用 NFS 动态提供 Kubernetes 后端存储卷
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.7" data-path="../practice/monitoring.html">
|
||
|
||
<a href="../practice/monitoring.html">
|
||
|
||
|
||
<b>6.7.</b>
|
||
|
||
集群与应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.7.1" data-path="../practice/heapster.html">
|
||
|
||
<a href="../practice/heapster.html">
|
||
|
||
|
||
<b>6.7.1.</b>
|
||
|
||
Heapster
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.7.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
|
||
|
||
<a href="../practice/using-heapster-to-get-object-metrics.html">
|
||
|
||
|
||
<b>6.7.1.1.</b>
|
||
|
||
使用 Heapster 获取集群和对象的 metric 数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.7.2" data-path="../practice/prometheus.html">
|
||
|
||
<a href="../practice/prometheus.html">
|
||
|
||
|
||
<b>6.7.2.</b>
|
||
|
||
Prometheus
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.7.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
|
||
<b>6.7.2.1.</b>
|
||
|
||
使用 Prometheus 监控 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.7.2.2" data-path="../practice/promql.html">
|
||
|
||
<a href="../practice/promql.html">
|
||
|
||
|
||
<b>6.7.2.2.</b>
|
||
|
||
Prometheus 查询语言 PromQL 使用说明
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.8" data-path="../practice/distributed-tracing.html">
|
||
|
||
<a href="../practice/distributed-tracing.html">
|
||
|
||
|
||
<b>6.8.</b>
|
||
|
||
分布式追踪
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.8.1" data-path="../practice/opentracing.html">
|
||
|
||
<a href="../practice/opentracing.html">
|
||
|
||
|
||
<b>6.8.1.</b>
|
||
|
||
OpenTracing
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.9" data-path="../practice/services-management-tool.html">
|
||
|
||
<a href="../practice/services-management-tool.html">
|
||
|
||
|
||
<b>6.9.</b>
|
||
|
||
服务编排管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.9.1" data-path="../practice/helm.html">
|
||
|
||
<a href="../practice/helm.html">
|
||
|
||
|
||
<b>6.9.1.</b>
|
||
|
||
使用 Helm 管理 Kubernetes 应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.9.2" data-path="../practice/create-private-charts-repo.html">
|
||
|
||
<a href="../practice/create-private-charts-repo.html">
|
||
|
||
|
||
<b>6.9.2.</b>
|
||
|
||
构建私有 Chart 仓库
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.10" data-path="../practice/ci-cd.html">
|
||
|
||
<a href="../practice/ci-cd.html">
|
||
|
||
|
||
<b>6.10.</b>
|
||
|
||
持续集成与发布（CI/CD）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.10.1" data-path="../practice/jenkins-ci-cd.html">
|
||
|
||
<a href="../practice/jenkins-ci-cd.html">
|
||
|
||
|
||
<b>6.10.1.</b>
|
||
|
||
使用 Jenkins 进行持续集成与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.10.2" data-path="../practice/drone-ci-cd.html">
|
||
|
||
<a href="../practice/drone-ci-cd.html">
|
||
|
||
|
||
<b>6.10.2.</b>
|
||
|
||
使用 Drone 进行持续集成与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.11" data-path="../practice/update-and-upgrade.html">
|
||
|
||
<a href="../practice/update-and-upgrade.html">
|
||
|
||
|
||
<b>6.11.</b>
|
||
|
||
更新与升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.11.1" data-path="../practice/manually-upgrade.html">
|
||
|
||
<a href="../practice/manually-upgrade.html">
|
||
|
||
|
||
<b>6.11.1.</b>
|
||
|
||
手动升级 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.11.2" data-path="../practice/dashboard-upgrade.html">
|
||
|
||
<a href="../practice/dashboard-upgrade.html">
|
||
|
||
|
||
<b>6.11.2.</b>
|
||
|
||
升级 dashboard
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.12" data-path="../practice/controller-extended.html">
|
||
|
||
<a href="../practice/controller-extended.html">
|
||
|
||
|
||
<b>6.12.</b>
|
||
|
||
扩展控制器
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.12.1" data-path="../practice/openkruise.html">
|
||
|
||
<a href="../practice/openkruise.html">
|
||
|
||
|
||
<b>6.12.1.</b>
|
||
|
||
OpenKruise
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.12.1.1" data-path="../practice/in-place-update.html">
|
||
|
||
<a href="../practice/in-place-update.html">
|
||
|
||
|
||
<b>6.12.1.1.</b>
|
||
|
||
原地升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.13" data-path="../practice/security-policy.html">
|
||
|
||
<a href="../practice/security-policy.html">
|
||
|
||
|
||
<b>6.13.</b>
|
||
|
||
安全策略
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="6.13.1" data-path="../practice/open-policy-agent.html">
|
||
|
||
<a href="../practice/open-policy-agent.html">
|
||
|
||
|
||
<b>6.13.1.</b>
|
||
|
||
开放策略代理（OPA）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="6.13.2" data-path="../practice/cloud-native-security.html">
|
||
|
||
<a href="../practice/cloud-native-security.html">
|
||
|
||
|
||
<b>6.13.2.</b>
|
||
|
||
云原生安全
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">服务网格</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="7.1" data-path="service-mesh.html">
|
||
|
||
<a href="service-mesh.html">
|
||
|
||
|
||
<b>7.1.</b>
|
||
|
||
服务网格（Service Mesh）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2" data-path="the-enterprise-path-to-service-mesh-architectures.html">
|
||
|
||
<a href="the-enterprise-path-to-service-mesh-architectures.html">
|
||
|
||
|
||
<b>7.2.</b>
|
||
|
||
企业级服务网格架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="7.2.1" data-path="service-mesh-fundamental.html">
|
||
|
||
<a href="service-mesh-fundamental.html">
|
||
|
||
|
||
<b>7.2.1.</b>
|
||
|
||
服务网格基础
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2.2" data-path="comparing-service-mesh-technologies.html">
|
||
|
||
<a href="comparing-service-mesh-technologies.html">
|
||
|
||
|
||
<b>7.2.2.</b>
|
||
|
||
服务网格技术对比
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2.3" data-path="service-mesh-vs-api-gateway.html">
|
||
|
||
<a href="service-mesh-vs-api-gateway.html">
|
||
|
||
|
||
<b>7.2.3.</b>
|
||
|
||
服务网格对比 API 网关
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2.4" data-path="service-mesh-adoption-and-evolution.html">
|
||
|
||
<a href="service-mesh-adoption-and-evolution.html">
|
||
|
||
|
||
<b>7.2.4.</b>
|
||
|
||
采纳和演进
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2.5" data-path="service-mesh-customization-and-integration.html">
|
||
|
||
<a href="service-mesh-customization-and-integration.html">
|
||
|
||
|
||
<b>7.2.5.</b>
|
||
|
||
定制和集成
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.2.6" data-path="service-mesh-conclusion.html">
|
||
|
||
<a href="service-mesh-conclusion.html">
|
||
|
||
|
||
<b>7.2.6.</b>
|
||
|
||
总结
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.3" data-path="istio.html">
|
||
|
||
<a href="istio.html">
|
||
|
||
|
||
<b>7.3.</b>
|
||
|
||
Istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="7.3.1" data-path="before-using-istio.html">
|
||
|
||
<a href="before-using-istio.html">
|
||
|
||
|
||
<b>7.3.1.</b>
|
||
|
||
使用 Istio 前需要考虑的问题
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.3.2" data-path="sidecar-spec-in-istio.html">
|
||
|
||
<a href="sidecar-spec-in-istio.html">
|
||
|
||
|
||
<b>7.3.2.</b>
|
||
|
||
Istio 中 sidecar 的注入规范及示例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.3.3" data-path="istio-community-tips.html">
|
||
|
||
<a href="istio-community-tips.html">
|
||
|
||
|
||
<b>7.3.3.</b>
|
||
|
||
如何参与 Istio 社区及注意事项
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter active" data-level="7.3.4" data-path="understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
|
||
|
||
<a href="understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
|
||
|
||
|
||
<b>7.3.4.</b>
|
||
|
||
Sidecar 的注入与流量劫持
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.3.5" data-path="how-to-integrate-istio-with-vm.html">
|
||
|
||
<a href="how-to-integrate-istio-with-vm.html">
|
||
|
||
|
||
<b>7.3.5.</b>
|
||
|
||
Istio 如何支持虚拟机
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.3.6" data-path="istio-vm-support.html">
|
||
|
||
<a href="istio-vm-support.html">
|
||
|
||
|
||
<b>7.3.6.</b>
|
||
|
||
Istio 支持虚拟机的历史
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.4" data-path="envoy.html">
|
||
|
||
<a href="envoy.html">
|
||
|
||
|
||
<b>7.4.</b>
|
||
|
||
Envoy
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="7.4.1" data-path="envoy-terminology.html">
|
||
|
||
<a href="envoy-terminology.html">
|
||
|
||
|
||
<b>7.4.1.</b>
|
||
|
||
Envoy 的架构与基本术语
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.4.2" data-path="envoy-front-proxy.html">
|
||
|
||
<a href="envoy-front-proxy.html">
|
||
|
||
|
||
<b>7.4.2.</b>
|
||
|
||
Envoy 作为前端代理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="7.4.3" data-path="envoy-mesh-in-kubernetes-tutorial.html">
|
||
|
||
<a href="envoy-mesh-in-kubernetes-tutorial.html">
|
||
|
||
|
||
<b>7.4.3.</b>
|
||
|
||
Envoy mesh 教程
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">领域应用</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="8.1" data-path="./">
|
||
|
||
<a href="./">
|
||
|
||
|
||
<b>8.1.</b>
|
||
|
||
领域应用概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.2" data-path="microservices.html">
|
||
|
||
<a href="microservices.html">
|
||
|
||
|
||
<b>8.2.</b>
|
||
|
||
微服务架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.2.1" data-path="service-discovery-in-microservices.html">
|
||
|
||
<a href="service-discovery-in-microservices.html">
|
||
|
||
|
||
<b>8.2.1.</b>
|
||
|
||
微服务中的服务发现
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.2.2" data-path="microservices-for-java-developers.html">
|
||
|
||
<a href="microservices-for-java-developers.html">
|
||
|
||
|
||
<b>8.2.2.</b>
|
||
|
||
使用 Java 构建微服务并发布到 Kubernetes 平台
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.2.2.1" data-path="spring-boot-quick-start-guide.html">
|
||
|
||
<a href="spring-boot-quick-start-guide.html">
|
||
|
||
|
||
<b>8.2.2.1.</b>
|
||
|
||
Spring Boot 快速开始指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.3" data-path="big-data.html">
|
||
|
||
<a href="big-data.html">
|
||
|
||
|
||
<b>8.3.</b>
|
||
|
||
大数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.3.1" data-path="spark-on-kubernetes.html">
|
||
|
||
<a href="spark-on-kubernetes.html">
|
||
|
||
|
||
<b>8.3.1.</b>
|
||
|
||
Spark 与 Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.3.1.1" data-path="spark-standalone-on-kubernetes.html">
|
||
|
||
<a href="spark-standalone-on-kubernetes.html">
|
||
|
||
|
||
<b>8.3.1.1.</b>
|
||
|
||
Spark standalone on Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.3.1.2" data-path="running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
<a href="running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
|
||
<b>8.3.1.2.</b>
|
||
|
||
运行支持 Kubernetes 原生调度的 Spark 程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.4" data-path="serverless.html">
|
||
|
||
<a href="serverless.html">
|
||
|
||
|
||
<b>8.4.</b>
|
||
|
||
Serverless 架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.4.1" data-path="understanding-serverless.html">
|
||
|
||
<a href="understanding-serverless.html">
|
||
|
||
|
||
<b>8.4.1.</b>
|
||
|
||
理解 Serverless
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.4.2" data-path="faas.html">
|
||
|
||
<a href="faas.html">
|
||
|
||
|
||
<b>8.4.2.</b>
|
||
|
||
FaaS（函数即服务）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="8.4.2.1" data-path="openfaas-quick-start.html">
|
||
|
||
<a href="openfaas-quick-start.html">
|
||
|
||
|
||
<b>8.4.2.1.</b>
|
||
|
||
OpenFaaS 快速入门指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.4.3" data-path="knative.html">
|
||
|
||
<a href="knative.html">
|
||
|
||
|
||
<b>8.4.3.</b>
|
||
|
||
Knative
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.5" data-path="edge-computing.html">
|
||
|
||
<a href="edge-computing.html">
|
||
|
||
|
||
<b>8.5.</b>
|
||
|
||
边缘计算
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.6" data-path="ai.html">
|
||
|
||
<a href="ai.html">
|
||
|
||
|
||
<b>8.6.</b>
|
||
|
||
人工智能
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="8.7" data-path="observability.html">
|
||
|
||
<a href="observability.html">
|
||
|
||
|
||
<b>8.7.</b>
|
||
|
||
可观察性
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">开发指南</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="9.1" data-path="../develop/">
|
||
|
||
<a href="../develop/">
|
||
|
||
|
||
<b>9.1.</b>
|
||
|
||
开发指南概览
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.2" data-path="../develop/sigs-and-working-group.html">
|
||
|
||
<a href="../develop/sigs-and-working-group.html">
|
||
|
||
|
||
<b>9.2.</b>
|
||
|
||
SIG 和工作组
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.3" data-path="../develop/developing-environment.html">
|
||
|
||
<a href="../develop/developing-environment.html">
|
||
|
||
|
||
<b>9.3.</b>
|
||
|
||
开发环境搭建
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="9.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
|
||
|
||
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
|
||
|
||
|
||
<b>9.3.1.</b>
|
||
|
||
本地分布式开发环境搭建（使用 Vagrant 和 Virtualbox）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.4" data-path="../develop/testing.html">
|
||
|
||
<a href="../develop/testing.html">
|
||
|
||
|
||
<b>9.4.</b>
|
||
|
||
单元测试和集成测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.5" data-path="../develop/client-go-sample.html">
|
||
|
||
<a href="../develop/client-go-sample.html">
|
||
|
||
|
||
<b>9.5.</b>
|
||
|
||
client-go 示例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="9.5.1" data-path="../develop/client-go-informer-sourcecode-analyse.html">
|
||
|
||
<a href="../develop/client-go-informer-sourcecode-analyse.html">
|
||
|
||
|
||
<b>9.5.1.</b>
|
||
|
||
client-go 中的 informer 源码分析
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.6" data-path="../develop/operator.html">
|
||
|
||
<a href="../develop/operator.html">
|
||
|
||
|
||
<b>9.6.</b>
|
||
|
||
Operator
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="9.6.1" data-path="../develop/operator-sdk.html">
|
||
|
||
<a href="../develop/operator-sdk.html">
|
||
|
||
|
||
<b>9.6.1.</b>
|
||
|
||
operator-sdk
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.7" data-path="../develop/kubebuilder.html">
|
||
|
||
<a href="../develop/kubebuilder.html">
|
||
|
||
|
||
<b>9.7.</b>
|
||
|
||
kubebuilder
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="9.7.1" data-path="../develop/kubebuilder-example.html">
|
||
|
||
<a href="../develop/kubebuilder-example.html">
|
||
|
||
|
||
<b>9.7.1.</b>
|
||
|
||
使用 kubebuilder 创建 operator 示例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.8" data-path="../develop/advance-developer.html">
|
||
|
||
<a href="../develop/advance-developer.html">
|
||
|
||
|
||
<b>9.8.</b>
|
||
|
||
高级开发指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.9" data-path="../develop/contribute.html">
|
||
|
||
<a href="../develop/contribute.html">
|
||
|
||
|
||
<b>9.9.</b>
|
||
|
||
社区贡献
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="9.10" data-path="../develop/minikube.html">
|
||
|
||
<a href="../develop/minikube.html">
|
||
|
||
|
||
<b>9.10.</b>
|
||
|
||
Minikube
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">社区及生态</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="10.1" data-path="../cloud-native/cncf.html">
|
||
|
||
<a href="../cloud-native/cncf.html">
|
||
|
||
|
||
<b>10.1.</b>
|
||
|
||
云原生计算基金会（CNCF）
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="10.1.1" data-path="../cloud-native/cncf-charter.html">
|
||
|
||
<a href="../cloud-native/cncf-charter.html">
|
||
|
||
|
||
<b>10.1.1.</b>
|
||
|
||
CNCF 章程
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.1.2" data-path="../cloud-native/cncf-sig.html">
|
||
|
||
<a href="../cloud-native/cncf-sig.html">
|
||
|
||
|
||
<b>10.1.2.</b>
|
||
|
||
CNCF 特别兴趣小组（SIG）说明
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.1.3" data-path="../cloud-native/cncf-sandbox-criteria.html">
|
||
|
||
<a href="../cloud-native/cncf-sandbox-criteria.html">
|
||
|
||
|
||
<b>10.1.3.</b>
|
||
|
||
开源项目加入 CNCF Sandbox 的要求
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.1.4" data-path="../cloud-native/cncf-project-governing.html">
|
||
|
||
<a href="../cloud-native/cncf-project-governing.html">
|
||
|
||
|
||
<b>10.1.4.</b>
|
||
|
||
CNCF 中的项目治理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.1.5" data-path="../cloud-native/cncf-ambassador.html">
|
||
|
||
<a href="../cloud-native/cncf-ambassador.html">
|
||
|
||
|
||
<b>10.1.5.</b>
|
||
|
||
CNCF Ambassador
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.2" data-path="../cloud-native/certification.html">
|
||
|
||
<a href="../cloud-native/certification.html">
|
||
|
||
|
||
<b>10.2.</b>
|
||
|
||
认证及培训
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="10.2.1" data-path="../appendix/about-kcsp.html">
|
||
|
||
<a href="../appendix/about-kcsp.html">
|
||
|
||
|
||
<b>10.2.1.</b>
|
||
|
||
认证 Kubernetes 服务提供商（KCSP）说明
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="10.2.2" data-path="../appendix/about-cka-candidate.html">
|
||
|
||
<a href="../appendix/about-cka-candidate.html">
|
||
|
||
|
||
<b>10.2.2.</b>
|
||
|
||
认证 Kubernetes 管理员（CKA）说明
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="header">附录</li>
|
||
|
||
|
||
|
||
<li class="chapter " data-level="11.1" data-path="../appendix/">
|
||
|
||
<a href="../appendix/">
|
||
|
||
|
||
<b>11.1.</b>
|
||
|
||
附录说明
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.2" data-path="../appendix/debug-kubernetes-services.html">
|
||
|
||
<a href="../appendix/debug-kubernetes-services.html">
|
||
|
||
|
||
<b>11.2.</b>
|
||
|
||
Kubernetes 中的应用故障排查
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.3" data-path="../appendix/material-share.html">
|
||
|
||
<a href="../appendix/material-share.html">
|
||
|
||
|
||
<b>11.3.</b>
|
||
|
||
Kubernetes 参考资源
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.4" data-path="../appendix/tricks.html">
|
||
|
||
<a href="../appendix/tricks.html">
|
||
|
||
|
||
<b>11.4.</b>
|
||
|
||
Kubernetes 使用技巧
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.5" data-path="../appendix/issues.html">
|
||
|
||
<a href="../appendix/issues.html">
|
||
|
||
|
||
<b>11.5.</b>
|
||
|
||
Kubernetes 相关问题记录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.6" data-path="../appendix/summary-and-outlook.html">
|
||
|
||
<a href="../appendix/summary-and-outlook.html">
|
||
|
||
|
||
<b>11.6.</b>
|
||
|
||
Kubernetes 及云原生年度总结及展望
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="11.6.1" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
|
||
|
||
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
|
||
|
||
|
||
<b>11.6.1.</b>
|
||
|
||
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.6.2" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
|
||
|
||
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
|
||
|
||
|
||
<b>11.6.2.</b>
|
||
|
||
Kubernetes 与云原生 2018 年年终总结及 2019 年展望
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.7" data-path="../appendix/cncf-annual-report.html">
|
||
|
||
<a href="../appendix/cncf-annual-report.html">
|
||
|
||
|
||
<b>11.7.</b>
|
||
|
||
CNCF 年度报告解读
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="11.7.1" data-path="../appendix/cncf-annual-report-2018.html">
|
||
|
||
<a href="../appendix/cncf-annual-report-2018.html">
|
||
|
||
|
||
<b>11.7.1.</b>
|
||
|
||
CNCF 2018 年年度报告解读
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.7.2" data-path="../appendix/cncf-annual-report-2020.html">
|
||
|
||
<a href="../appendix/cncf-annual-report-2020.html">
|
||
|
||
|
||
<b>11.7.2.</b>
|
||
|
||
CNCF 2020 年年度报告解读
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="11.8" data-path="../GLOSSARY.html">
|
||
|
||
<a href="../GLOSSARY.html">
|
||
|
||
|
||
<b>11.8.</b>
|
||
|
||
术语表
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="divider"></li>
|
||
|
||
<li>
|
||
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
|
||
本书使用 GitBook 发布
|
||
</a>
|
||
</li>
|
||
</ul>
|
||
|
||
|
||
</nav>
|
||
|
||
|
||
</div>
|
||
|
||
<div class="book-body">
|
||
|
||
<div class="body-inner">
|
||
|
||
|
||
|
||
<div class="book-header" role="navigation">
|
||
|
||
|
||
<!-- Title -->
|
||
<h1>
|
||
<i class="fa fa-circle-o-notch fa-spin"></i>
|
||
<a href=".." >Sidecar 的注入与流量劫持</a>
|
||
</h1>
|
||
</div>
|
||
|
||
|
||
|
||
|
||
<div class="page-wrapper" tabindex="-1" role="main">
|
||
<div class="page-inner">
|
||
|
||
<div class="search-plus" id="book-search-results">
|
||
<div class="search-noresults">
|
||
|
||
<section class="normal markdown-section">
|
||
|
||
<h1 id="sidecar-的注入与流量劫持">Sidecar 的注入与流量劫持</h1>
|
||
<p>本文基于 Istio 1.11 版本，将为大家介绍以下内容：</p>
|
||
<ul>
|
||
<li>什么是 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 模式和它的优势在哪里。</li>
|
||
<li>Istio 中是如何做 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 注入的？</li>
|
||
<li><a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> proxy 是如何做透明流量劫持的？</li>
|
||
<li>流量是如何路由到 upstream 的？</li>
|
||
</ul>
|
||
<h2 id="sidecar-模式">Sidecar 模式</h2>
|
||
<p>将应用程序的功能划分为单独的进程运行在同一个最小调度单元中（例如 Kubernetes 中的 Pod）可以被视为 <strong><a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 模式</strong>。如下图所示，<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 模式允许您在应用程序旁边添加更多功能，而无需额外第三方组件配置或修改应用程序代码。</p>
|
||
<figure id="fig7.3.4.1"><a href="../images/sidecar-pattern.jpg" data-lightbox="97726b91-fe8e-4b2d-b4f7-4ac8b262253f" data-title="Sidecar 模式示意图"><img src="../images/sidecar-pattern.jpg" alt="Sidecar 模式示意图"></a><figcaption>图 7.3.4.1：<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 模式示意图</figcaption></figure>
|
||
<p>就像连接了 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 的三轮摩托车一样，在软件架构中， <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 连接到父应用并且为其添加扩展或者增强功能。<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 应用与主应用程序松散耦合。它可以屏蔽不同编程语言的差异，统一实现微服务的可观察性、监控、日志记录、配置、断路器等功能。</p>
|
||
<h3 id="使用-sidecar-模式的优势">使用 Sidecar 模式的优势</h3>
|
||
<p>使用 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 模式部署服务网格时，无需在节点上运行代理，但是集群中将运行多个相同的 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 副本。在 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 部署方式中，每个应用的容器旁都会部署一个伴生容器，这个容器称之为 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 容器。<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 接管进出应用容器的所有流量。在 Kubernetes 的 Pod 中，在原有的应用容器旁边注入一个 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 容器，两个容器共享存储、网络等资源，可以广义的将这个包含了 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 容器的 Pod 理解为一台主机，两个容器共享主机资源。</p>
|
||
<p>因其独特的部署结构，使得 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 模式具有以下优势：</p>
|
||
<ul>
|
||
<li>将与应用业务逻辑无关的功能抽象到共同基础设施，降低了微服务代码的复杂度。</li>
|
||
<li>因为不再需要编写相同的第三方组件配置文件和代码，所以能够降低微服务架构中的代码重复度。</li>
|
||
<li><a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 可独立升级，降低应用程序代码和底层平台的耦合度。</li>
|
||
</ul>
|
||
<h2 id="istio-中的-sidecar-注入">Istio 中的 sidecar 注入</h2>
|
||
<p>Istio 中提供了以下两种 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 注入方式：</p>
|
||
<ul>
|
||
<li>使用 <code>istioctl</code> 手动注入。</li>
|
||
<li>基于 Kubernetes 的 <a href="https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/" target="_blank">突变 webhook 准入控制器（mutating webhook addmission controller</a> 的自动 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 注入方式。</li>
|
||
</ul>
|
||
<p>不论是手动注入还是自动注入，<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 的注入过程都需要遵循如下步骤：</p>
|
||
<ol>
|
||
<li>Kubernetes 需要了解待注入的 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 所连接的 Istio 集群及其配置；</li>
|
||
<li>Kubernetes 需要了解待注入的 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 容器本身的配置，如镜像地址、启动参数等；</li>
|
||
<li>Kubernetes 根据 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 注入模板和以上配置填充 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 的配置参数，将以上配置注入到应用容器的一侧；</li>
|
||
</ol>
|
||
<p>使用下面的命令可以手动注入 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a>。</p>
|
||
<pre class="language-"><code class="lang-bash">istioctl kube-inject -f <span class="token variable">${YAML_FILE}</span> <span class="token operator">|</span> kuebectl apply -f -
|
||
</code></pre>
|
||
<p>该命令会使用 Istio 内置的 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 配置来注入，下面使用 Istio详细配置请参考 <a href="https://istio.io/docs/setup/additional-setup/sidecar-injection/#manual-sidecar-injection" target="_blank">Istio 官网</a>。</p>
|
||
<p>注入完成后您将看到 Istio 为原有 pod template 注入了 <code>initContainer</code> 及 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> proxy相关的配置。</p>
|
||
<h3 id="init-容器">Init 容器</h3>
|
||
<p>Init 容器是一种专用容器，它在应用程序容器启动之前运行，用来包含一些应用镜像中不存在的实用工具或安装脚本。</p>
|
||
<p>一个 Pod 中可以指定多个 Init 容器，如果指定了多个，那么 Init 容器将会按顺序依次运行。只有当前面的 Init 容器必须运行成功后，才可以运行下一个 Init 容器。当所有的 Init 容器运行完成后，Kubernetes 才初始化 Pod 和运行应用容器。</p>
|
||
<p>Init 容器使用 Linux Namespace，所以相对应用程序容器来说具有不同的文件系统视图。因此，它们能够具有访问 Secret 的权限，而应用程序容器则不能。</p>
|
||
<p>在 Pod 启动过程中，Init 容器会按顺序在网络和数据卷初始化之后启动。每个容器必须在下一个容器启动之前成功退出。如果由于运行时或失败退出，将导致容器启动失败，它会根据 Pod 的 <code>restartPolicy</code> 指定的策略进行重试。然而，如果 Pod 的 <code>restartPolicy</code> 设置为 Always，Init 容器失败时会使用 <code>RestartPolicy</code> 策略。</p>
|
||
<p>在所有的 Init 容器没有成功之前，Pod 将不会变成 <code>Ready</code> 状态。Init 容器的端口将不会在 Service中进行聚集。 正在初始化中的 Pod 处于 <code>Pending</code> 状态，但应该会将 <code>Initializing</code> 状态设置为 true。Init 容器运行完成以后就会自动终止。</p>
|
||
<p>关于 Init 容器的详细信息请参考 <a href="https://jimmysong.io/kubernetes-handbook/concepts/init-containers.html" target="_blank">Init 容器 - Kubernetes 中文指南/云原生应用架构实践手册</a>。</p>
|
||
<h2 id="sidecar-注入示例分析">Sidecar 注入示例分析</h2>
|
||
<p>本文我们将以 Istio 官方示例 <code>bookinfo</code> 中 <code>reivews</code> 服务为例，来接讲解 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 容器注入的额流程，每个注入了 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 的 Pod 中除了原先应用的应用本身的容器外，都会多出来这样两个容器：</p>
|
||
<ul>
|
||
<li><code>istio-init</code>：用于给 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 容器即 Envoy 代理做初始化，设置 iptables 端口转发</li>
|
||
<li><code>istio-proxy</code>：Envoy 代理容器，运行 Envoy 代理</li>
|
||
</ul>
|
||
<p>接下来将分别解析下这两个容器。</p>
|
||
<h3 id="init-容器解析">Init 容器解析</h3>
|
||
<p>Istio 在 Pod 中注入的 Init 容器名为 <code>istio-init</code>，如果你查看 <code>reviews</code> Deployment 配置，你将看到其中 <code>initContaienrs</code> 的启动参数：</p>
|
||
<pre class="language-"><code class="lang-bash"> initContainers:
|
||
- name: istio-init
|
||
image: docker.io/istio/proxyv2:1.13.1
|
||
args:
|
||
- istio-iptables
|
||
- <span class="token string">'-p'</span>
|
||
- <span class="token string">'15001'</span>
|
||
- <span class="token string">'-z'</span>
|
||
- <span class="token string">'15006'</span>
|
||
- <span class="token string">'-u'</span>
|
||
- <span class="token string">'1337'</span>
|
||
- <span class="token string">'-m'</span>
|
||
- REDIRECT
|
||
- <span class="token string">'-i'</span>
|
||
- <span class="token string">'*'</span>
|
||
- <span class="token string">'-x'</span>
|
||
- <span class="token string">''</span>
|
||
- <span class="token string">'-b'</span>
|
||
- <span class="token string">'*'</span>
|
||
- <span class="token string">'-d'</span>
|
||
- <span class="token number">15090,15021</span>,15020
|
||
</code></pre>
|
||
<p>我们看到 <code>istio-init</code> 容器的入口是 <code>istio-iptables</code> 命令，该命令是用于初始化路由表的。</p>
|
||
<h3 id="init-容器启动入口">Init 容器启动入口</h3>
|
||
<p>Init 容器的启动入口是 <code>/usr/local/bin/istio-iptable</code> 命令，该命令的用法如下：</p>
|
||
<pre class="language-"><code class="lang-bash">$ istio-iptables -p PORT -u <span class="token environment constant">UID</span> -g GID <span class="token punctuation">[</span>-m mode<span class="token punctuation">]</span> <span class="token punctuation">[</span>-b ports<span class="token punctuation">]</span> <span class="token punctuation">[</span>-d ports<span class="token punctuation">]</span> <span class="token punctuation">[</span>-i CIDR<span class="token punctuation">]</span> <span class="token punctuation">[</span>-x CIDR<span class="token punctuation">]</span> <span class="token punctuation">[</span>-h<span class="token punctuation">]</span>
|
||
-p: 指定重定向所有 TCP 流量的 Envoy 端口（默认为 <span class="token variable">$ENVOY_PORT</span> <span class="token operator">=</span> <span class="token number">15001</span>）
|
||
-u: 指定未应用重定向的用户的 <span class="token environment constant">UID</span>。通常，这是代理容器的 <span class="token environment constant">UID</span>（默认为 <span class="token variable">$ENVOY_USER</span> 的 uid，istio_proxy 的 uid 或 <span class="token number">1337</span>）
|
||
-g: 指定未应用重定向的用户的 GID。（与 -u param 相同的默认值）
|
||
-m: 指定入站连接重定向到 Envoy 的模式，“REDIRECT” 或 “TPROXY”（默认为 <span class="token variable">$ISTIO_INBOUND_INTERCEPTION_MODE</span><span class="token punctuation">)</span>
|
||
-b: 逗号分隔的入站端口列表，其流量将重定向到 Envoy（可选）。使用通配符 “*” 表示重定向所有端口。为空时表示禁用所有入站重定向（默认为 <span class="token variable">$ISTIO_INBOUND_PORTS</span>）
|
||
-d: 指定要从重定向到 Envoy 中排除（可选）的入站端口列表，以逗号格式分隔。使用通配符“*” 表示重定向所有入站流量（默认为 <span class="token variable">$ISTIO_LOCAL_EXCLUDE_PORTS</span>）
|
||
-i: 指定重定向到 Envoy（可选）的 IP 地址范围，以逗号分隔的 CIDR 格式列表。使用通配符 “*” 表示重定向所有出站流量。空列表将禁用所有出站重定向（默认为 <span class="token variable">$ISTIO_SERVICE_CIDR</span>）
|
||
-x: 指定将从重定向中排除的 IP 地址范围，以逗号分隔的 CIDR 格式列表。使用通配符 “*” 表示重定向所有出站流量（默认为 <span class="token variable">$ISTIO_SERVICE_EXCLUDE_CIDR</span>）。
|
||
-z: 所有入站 TCP 流量重定向端口（默认为 <span class="token variable">$INBOUND_CAPTURE_PORT</span> <span class="token number">15006</span>）
|
||
</code></pre>
|
||
<p>关于该命令的详细代码请<a href="https://github.com/istio/istio/blob/master/tools/istio-iptables/pkg/cmd/root.go" target="_blank">查看 GitHub：<code>tools/istio-iptables/pkg/cmd/root.go</code></a>。</p>
|
||
<p>再参考 <code>istio-init</code> 容器的启动参数，完整的启动命令如下：</p>
|
||
<pre class="language-"><code class="lang-bash">$ /usr/local/bin/istio-iptables -p <span class="token number">15001</span> -z <span class="token number">15006</span> -u <span class="token number">1337</span> -m REDIRECT -i <span class="token string">'*'</span> -x <span class="token string">""</span> -b * -d <span class="token string">"15090,15201,15020"</span>
|
||
</code></pre>
|
||
<p>该容器存在的意义就是让 Envoy 代理可以拦截所有的进出 Pod 的流量，即将入站流量重定向到 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a>，再拦截应用容器的出站流量经过 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 处理后再出站。</p>
|
||
<p><strong>命令解析</strong></p>
|
||
<p>这条启动命令的作用是：</p>
|
||
<ul>
|
||
<li>将应用容器的所有流量都转发到 Envoy 的 15006 端口。</li>
|
||
<li>使用 <code>istio-proxy</code> 用户身份运行， UID 为 1337，即 Envoy 所处的用户空间，这也是 <code>istio-proxy</code> 容器默认使用的用户，见 YAML 配置中的 <code>runAsUser</code> 字段。</li>
|
||
<li>使用默认的 <code>REDIRECT</code> 模式来重定向流量。</li>
|
||
<li>将所有出站流量都重定向到 Envoy 代理。</li>
|
||
<li>将除了 15090、15201、15020 端口以外的所有端口的流量重定向到 Envoy 代理。</li>
|
||
</ul>
|
||
<p>因为 Init 容器初始化完毕后就会自动终止，因为我们无法登陆到容器中查看 iptables 信息，但是 Init 容器初始化结果会保留到应用容器和 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 容器中。</p>
|
||
<h3 id="istio-proxy-容器解析">istio-proxy 容器解析</h3>
|
||
<p>为了查看 iptables 配置，我们需要登陆到 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 容器中使用 root 用户来查看，因为 <code>kubectl</code> 无法使用特权模式来远程操作 docker 容器，所以我们需要登陆到 <code>reviews</code> Pod 所在的主机上使用 <code>docker</code> 命令登陆容器中查看。</p>
|
||
<p>查看 <code>reviews</code> Pod 所在的主机。</p>
|
||
<pre class="language-"><code class="lang-bash">$ kubectl -n default get pod -l <span class="token assign-left variable">app</span><span class="token operator">=</span>reviews -o wide
|
||
NAME READY STATUS RESTARTS AGE IP NODE
|
||
reviews-v1-745ffc55b7-2l2lw <span class="token number">2</span>/2 Running <span class="token number">0</span> 1d <span class="token number">172.33</span>.78.10 node3
|
||
</code></pre>
|
||
<p>从输出结果中可以看到该 Pod 运行在 <code>node3</code> 上，使用 <code>vagrant</code> 命令登陆到 <code>node3</code> 主机中并切换为 root 用户。</p>
|
||
<pre class="language-"><code class="lang-bash">$ vagrant <span class="token function">ssh</span> node3
|
||
$ <span class="token function">sudo</span> -i
|
||
</code></pre>
|
||
<p>查看 iptables 配置，列出 NAT（网络地址转换）表的所有规则，因为在 Init 容器启动的时候选择给 <code>istio-iptables.sh</code> 传递的参数中指定将入站流量重定向到 Envoy 的模式为 “REDIRECT”，因此在 iptables 中将只有 NAT 表的规格配置，如果选择 <code>TPROXY</code> 还会有 <code>mangle</code> 表配置。<code>iptables</code> 命令的详细用法请参考 <a href="https://wangchujiang.com/linux-command/c/iptables.html" target="_blank">iptables</a>，规则配置请参考 <a href="http://www.zsythink.net/archives/1517" target="_blank">iptables 规则配置</a>。</p>
|
||
<h2 id="理解-iptables">理解 iptables</h2>
|
||
<p><code>iptables</code> 是 Linux 内核中的防火墙软件 netfilter 的管理工具，位于用户空间，同时也是 netfilter 的一部分。Netfilter 位于内核空间，不仅有网络地址转换的功能，也具备数据包内容修改、以及数据包过滤等防火墙功能。</p>
|
||
<p>在了解 Init 容器初始化的 iptables 之前，我们先来了解下 iptables 和规则配置。</p>
|
||
<p>下图展示了 iptables 调用链。</p>
|
||
<figure id="fig7.3.4.2"><a href="../images/iptables.jpg" data-lightbox="48f0464b-4036-49eb-80cb-71632deecda5" data-title="iptables 调用链"><img src="../images/iptables.jpg" alt="iptables 调用链"></a><figcaption>图 7.3.4.2：iptables 调用链</figcaption></figure>
|
||
<h3 id="iptables-中的表">iptables 中的表</h3>
|
||
<p>Init 容器中使用的的 iptables 版本是 <code>v1.6.0</code>，共包含 5 张表：</p>
|
||
<ol>
|
||
<li><code>raw</code> 用于配置数据包，<code>raw</code> 中的数据包不会被系统跟踪。</li>
|
||
<li><code>filter</code> 是用于存放所有与防火墙相关操作的默认表。</li>
|
||
<li><code>nat</code> 用于 <a href="https://en.wikipedia.org/wiki/Network_address_translation" target="_blank">网络地址转换</a>（例如：端口转发）。</li>
|
||
<li><code>mangle</code> 用于对特定数据包的修改（参考<a href="https://en.wikipedia.org/wiki/Mangled_packet" target="_blank">损坏数据包</a>）。</li>
|
||
<li><code>security</code> 用于<a href="https://wiki.archlinux.org/index.php/Security#Mandatory_access_control" target="_blank">强制访问控制</a> 网络规则。</li>
|
||
</ol>
|
||
<p><strong>注</strong>：在本示例中只用到了 <code>nat</code> 表。</p>
|
||
<p>不同的表中的具有的链类型如下表所示：</p>
|
||
<table>
|
||
<thead>
|
||
<tr>
|
||
<th>规则名称</th>
|
||
<th>raw</th>
|
||
<th>filter</th>
|
||
<th>nat</th>
|
||
<th>mangle</th>
|
||
<th>security</th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr>
|
||
<td>PREROUTING</td>
|
||
<td>✓</td>
|
||
<td></td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td></td>
|
||
</tr>
|
||
<tr>
|
||
<td>INPUT</td>
|
||
<td></td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
</tr>
|
||
<tr>
|
||
<td>OUTPUT</td>
|
||
<td></td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
</tr>
|
||
<tr>
|
||
<td>POSTROUTING</td>
|
||
<td></td>
|
||
<td></td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td></td>
|
||
</tr>
|
||
<tr>
|
||
<td>FORWARD</td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
<td></td>
|
||
<td>✓</td>
|
||
<td>✓</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<p>下图是 iptables 的调用链顺序。</p>
|
||
<figure id="fig7.3.4.3"><a href="../images/iptables-chains.jpg" data-lightbox="a795e94b-bd62-4694-b3f6-d6056ce105ab" data-title="IPtables 调用链顺序"><img src="../images/iptables-chains.jpg" alt="IPtables 调用链顺序"></a><figcaption>图 7.3.4.3：IPtables 调用链顺序</figcaption></figure>
|
||
<h3 id="iptables-命令">iptables 命令</h3>
|
||
<p><code>iptables</code> 命令的主要用途是修改这些表中的规则。<code>iptables</code> 命令格式如下：</p>
|
||
<pre class="language-"><code class="lang-bash">$ iptables <span class="token punctuation">[</span>-t 表名<span class="token punctuation">]</span> 命令选项［链名<span class="token punctuation">]</span>［条件匹配］<span class="token punctuation">[</span>-j 目标动作或跳转］
|
||
</code></pre>
|
||
<p>Init 容器中的 <code>/istio-iptables.sh</code> 启动入口脚本就是执行 iptables 初始化的。</p>
|
||
<h3 id="理解-iptables-规则">理解 iptables 规则</h3>
|
||
<p>查看 <code>istio-proxy</code> 容器中的默认的 iptables 规则，默认查看的是 filter 表中的规则。</p>
|
||
<pre class="language-"><code class="lang-bash">$ iptables -L -v
|
||
Chain INPUT <span class="token punctuation">(</span>policy ACCEPT 350K packets, 63M bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
|
||
Chain FORWARD <span class="token punctuation">(</span>policy ACCEPT <span class="token number">0</span> packets, <span class="token number">0</span> bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
|
||
Chain OUTPUT <span class="token punctuation">(</span>policy ACCEPT 18M packets, 1916M bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
</code></pre>
|
||
<p>我们看到三个默认的链，分别是 INPUT、FORWARD 和 OUTPUT，每个链中的第一行输出表示链名称（在本例中为 INPUT/FORWARD/OUTPUT），后跟默认策略（ACCEPT）。</p>
|
||
<p>每条链中都可以添加多条规则，规则是按照顺序从前到后执行的。我们来看下规则的表头定义。</p>
|
||
<ul>
|
||
<li><strong>pkts</strong>：处理过的匹配的报文数量</li>
|
||
<li><strong>bytes</strong>：累计处理的报文大小（字节数）</li>
|
||
<li><strong>target</strong>：如果报文与规则匹配，指定目标就会被执行。</li>
|
||
<li><strong>prot</strong>：协议，例如 <code>tdp</code>、<code>udp</code>、<code>icmp</code> 和 <code>all</code>。</li>
|
||
<li><strong>opt</strong>：很少使用，这一列用于显示 IP 选项。</li>
|
||
<li><strong>in</strong>：入站网卡。</li>
|
||
<li><strong>out</strong>：出站网卡。</li>
|
||
<li><strong>source</strong>：流量的源 IP 地址或子网，后者是 <code>anywhere</code>。</li>
|
||
<li><strong>destination</strong>：流量的目的地 IP 地址或子网，或者是 <code>anywhere</code>。</li>
|
||
</ul>
|
||
<p>还有一列没有表头，显示在最后，表示规则的选项，作为规则的扩展匹配条件，用来补充前面的几列中的配置。<code>prot</code>、<code>opt</code>、<code>in</code>、<code>out</code>、<code>source</code> 和 <code>destination</code> 和显示在 <code>destination</code> 后面的没有表头的一列扩展条件共同组成匹配规则。当流量匹配这些规则后就会执行 <code>target</code>。</p>
|
||
<p><strong>target 支持的类型</strong></p>
|
||
<p><code>target</code> 类型包括 ACCEPT<code>、REJECT</code>、<code>DROP</code>、<code>LOG</code> 、<code>SNAT</code>、<code>MASQUERADE</code>、<code>DNAT</code>、<code>REDIRECT</code>、<code>RETURN</code> 或者跳转到其他规则等。只要执行到某一条链中只有按照顺序有一条规则匹配后就可以确定报文的去向了，除了 <code>RETURN</code> 类型，类似编程语言中的 <code>return</code> 语句，返回到它的调用点，继续执行下一条规则。<code>target</code> 支持的配置详解请参考 <a href="http://www.zsythink.net/archives/1199" target="_blank">iptables 详解（1）：iptables 概念</a>。</p>
|
||
<p>从输出结果中可以看到 Init 容器没有在 iptables 的默认链路中创建任何规则，而是创建了新的链路。</p>
|
||
<h2 id="查看-iptables-nat-表中注入的规则">查看 iptables nat 表中注入的规则</h2>
|
||
<p>Init 容器通过向 iptables nat 表中注入转发规则来劫持流量的，下图显示的是三个 reviews 服务示例中的某一个 Pod，其中有 init 容器、应用容器和 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 容器，图中展示了 iptables 流量劫持的详细过程。</p>
|
||
<figure id="fig7.3.4.4"><a href="../images/envoy-sidecar-traffic-interception-jimmysong-blog.png" data-lightbox="b885cd48-f6dc-4734-a424-0d52c69a4c24" data-title="Sidecar 流量劫持示意图"><img src="../images/envoy-sidecar-traffic-interception-jimmysong-blog.png" alt="Sidecar 流量劫持示意图"></a><figcaption>图 7.3.4.4：<a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">Sidecar</a> 流量劫持示意图</figcaption></figure>
|
||
<p>Init 容器启动时命令行参数中指定了 <code>REDIRECT</code> 模式，因此只创建了 NAT 表规则，接下来我们查看下 NAT 表中创建的规则，这是全文中的<strong>重点部分</strong>，前面讲了那么多都是为它做铺垫的。</p>
|
||
<h3 id="进入到-reviews-pod">进入到 reviews pod</h3>
|
||
<p>Reviews 服务有三个版本，我们进入到其中任意一个版本，例如 reviews-1，首先你需要搞清楚这个 pod 运行在哪个节点上，知道那个容器的具体 ID，然后使用 SSH 登录那个节点，使用 <code>ps</code> 命令查看到那个容器的具体 PID，使用 <code>nsenter</code> 命令进入该容器。</p>
|
||
<pre class="language-"><code class="lang-sh">nsenter -t<span class="token punctuation">{</span>PID<span class="token punctuation">}</span> -n
|
||
</code></pre>
|
||
<p><strong>为什么不直接使用 kubectl 进入容器？</strong></p>
|
||
<p>Istio 向 pod 中自动注入的 <a href="../GLOSSARY.html#sidecar" class="glossary-term" title="Sidecar，全称 Sidecar proxy，为在应用程序旁运行的单独的进程，它可以为应用程序添加许多功能，而无需在应用程序中添加额外的第三方组件，或修改应用程序的代码或配置。">sidecar</a> 容器（名为 <code>istio-proxy</code>）其中默认的用户是 <code>istio-proxy</code>，该用户没有权限查看路由表规则，即当你在该容器中运行 <code>iptabes</code> 命令时会得到 <code>iptables -t nat -L -v</code> 这样的结果，而且你又没有 root 权限。对于 reviews 容器也是一样，默认用户的 UID 是 <code>1000</code>，而且这个用户又没有名字，一样也无法切换为 root 用户，系统中默认没有安装 iptabels 命令。所以我们只能登录到 Pod 的宿主节点上，使用 <code>nsenter</code> 命令进入容器内部。</p>
|
||
<h3 id="查看路由表">查看路由表</h3>
|
||
<p>下面是查看 nat 表中的规则，其中链的名字中包含 <code>ISTIO</code> 前缀的是由 Init 容器注入的，规则匹配是根据下面显示的顺序来执行的，其中会有多次跳转。</p>
|
||
<pre class="language-"><code class="lang-bash"><span class="token comment"># 查看 NAT 表中规则配置的详细信息</span>
|
||
$ iptables -t nat -L -v
|
||
<span class="token comment"># PREROUTING 链：用于目标地址转换（DNAT），将所有入站 TCP 流量跳转到 ISTIO_INBOUND 链上</span>
|
||
Chain PREROUTING <span class="token punctuation">(</span>policy ACCEPT <span class="token number">0</span> packets, <span class="token number">0</span> bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">2</span> <span class="token number">120</span> ISTIO_INBOUND tcp -- any any anywhere anywhere
|
||
|
||
<span class="token comment"># INPUT 链：处理输入数据包，非 TCP 流量将继续 OUTPUT 链</span>
|
||
Chain INPUT <span class="token punctuation">(</span>policy ACCEPT <span class="token number">2</span> packets, <span class="token number">120</span> bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
|
||
<span class="token comment"># OUTPUT 链：将所有出站数据包跳转到 ISTIO_OUTPUT 链上</span>
|
||
Chain OUTPUT <span class="token punctuation">(</span>policy ACCEPT <span class="token number">41146</span> packets, 3845K bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">93</span> <span class="token number">5580</span> ISTIO_OUTPUT tcp -- any any anywhere anywhere
|
||
|
||
<span class="token comment"># POSTROUTING 链：所有数据包流出网卡时都要先进入POSTROUTING 链，内核根据数据包目的地判断是否需要转发出去，我们看到此处未做任何处理</span>
|
||
Chain POSTROUTING <span class="token punctuation">(</span>policy ACCEPT <span class="token number">41199</span> packets, 3848K bytes<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
|
||
<span class="token comment"># ISTIO_INBOUND 链：将所有目的地为 9080 端口的入站流量重定向到 ISTIO_IN_REDIRECT 链上</span>
|
||
Chain ISTIO_INBOUND <span class="token punctuation">(</span><span class="token number">1</span> references<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">2</span> <span class="token number">120</span> ISTIO_IN_REDIRECT tcp -- any any anywhere anywhere tcp dpt:9080
|
||
|
||
<span class="token comment"># ISTIO_IN_REDIRECT 链：将所有的入站流量跳转到本地的 15006 端口，至此成功的拦截了流量到 Envoy </span>
|
||
Chain ISTIO_IN_REDIRECT <span class="token punctuation">(</span><span class="token number">1</span> references<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">2</span> <span class="token number">120</span> REDIRECT tcp -- any any anywhere anywhere redir ports <span class="token number">15006</span>
|
||
|
||
<span class="token comment"># ISTIO_OUTPUT 链：选择需要重定向到 Envoy（即本地） 的出站流量，所有非 localhost 的流量全部转发到 ISTIO_REDIRECT。为了避免流量在该 Pod 中无限循环，所有到 istio-proxy 用户空间的流量都返回到它的调用点中的下一条规则，本例中即 OUTPUT 链，因为跳出 ISTIO_OUTPUT 规则之后就进入下一条链 POSTROUTING。如果目的地非 localhost 就跳转到 ISTIO_REDIRECT；如果流量是来自 istio-proxy 用户空间的，那么就跳出该链，返回它的调用链继续执行下一条规则（OUPT 的下一条规则，无需对流量进行处理）；所有的非 istio-proxy 用户空间的目的地是 localhost 的流量就跳转到 ISTIO_REDIRECT</span>
|
||
Chain ISTIO_OUTPUT <span class="token punctuation">(</span><span class="token number">1</span> references<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">0</span> <span class="token number">0</span> ISTIO_REDIRECT all -- any lo anywhere <span class="token operator">!</span>localhost
|
||
<span class="token number">40</span> <span class="token number">2400</span> RETURN all -- any any anywhere anywhere owner <span class="token environment constant">UID</span> match istio-proxy
|
||
<span class="token number">0</span> <span class="token number">0</span> RETURN all -- any any anywhere anywhere owner GID match istio-proxy
|
||
<span class="token number">0</span> <span class="token number">0</span> RETURN all -- any any anywhere localhost
|
||
<span class="token number">53</span> <span class="token number">3180</span> ISTIO_REDIRECT all -- any any anywhere anywhere
|
||
|
||
<span class="token comment"># ISTIO_REDIRECT 链：将所有流量重定向到 Envoy（即本地） 的 15001 端口</span>
|
||
Chain ISTIO_REDIRECT <span class="token punctuation">(</span><span class="token number">2</span> references<span class="token punctuation">)</span>
|
||
pkts bytes target prot opt <span class="token keyword">in</span> out <span class="token builtin class-name">source</span> destination
|
||
<span class="token number">53</span> <span class="token number">3180</span> REDIRECT tcp -- any any anywhere anywhere redir ports <span class="token number">15001</span>
|
||
</code></pre>
|
||
<p><code>iptables</code> 显示的链的顺序，即流量规则匹配的顺序。其中要特别注意 <code>ISTIO_OUTPUT</code> 链中的规则配置。为了避免流量一直在 Pod 中无限循环，所有到 istio-proxy 用户空间的流量都返回到它的调用点中的下一条规则，本例中即 OUTPUT 链，因为跳出 <code>ISTIO_OUTPUT</code> 规则之后就进入下一条链 <code>POSTROUTING</code>。</p>
|
||
<p><code>ISTIO_OUTPUT</code> 链规则匹配的详细过程如下：</p>
|
||
<ul>
|
||
<li>如果目的地非 localhost 就跳转到 ISTIO_REDIRECT 链</li>
|
||
<li>所有来自 istio-proxy 用户空间的非 localhost 流量跳转到它的调用点 <code>OUTPUT</code> 继续执行 <code>OUTPUT</code> 链的下一条规则，因为 <code>OUTPUT</code> 链中没有下一条规则了，所以会继续执行 <code>POSTROUTING</code> 链然后跳出 iptables，直接访问目的地</li>
|
||
<li>如果流量不是来自 istio-proxy 用户空间，又是对 localhost 的访问，那么就跳出 iptables，直接访问目的地</li>
|
||
<li>其它所有情况都跳转到 <code>ISTIO_REDIRECT</code> 链</li>
|
||
</ul>
|
||
<p>其实在最后这条规则前还可以增加 IP 地址过滤，让某些 IP 地址段不通过 Envoy 代理。</p>
|
||
<p>以上 iptables 规则都是 Init 容器启动的时使用 <a href="https://github.com/istio/istio/tree/master/tools/istio-iptables" target="_blank">istio-iptables</a> 命令生成的，详细过程可以查看该命令行程序。</p>
|
||
<h2 id="使用-iptables-做流量劫持时存在的问题">使用 iptables 做流量劫持时存在的问题</h2>
|
||
<p>目前 Istio 使用 iptables 实现透明劫持，主要存在以下三个问题：</p>
|
||
<ol>
|
||
<li>需要借助于 conntrack 模块实现连接跟踪，在连接数较多的情况下，会造成较大的消耗，同时可能会造成 track 表满的情况，为了避免这个问题，业内有关闭 conntrack 的做法。</li>
|
||
<li>iptables 属于常用模块，全局生效，不能显式的禁止相关联的修改，可管控性比较差。</li>
|
||
<li>iptables 重定向流量本质上是通过 loopback 交换数据，outbond 流量将两次穿越协议栈，在大并发场景下会损失转发性能。</li>
|
||
</ol>
|
||
<p>上述几个问题并非在所有场景中都存在，比方说某些场景下，连接数并不多，且 NAT 表未被使用到的情况下，iptables 是一个满足要求的简单方案。为了适配更加广泛的场景，透明劫持需要解决上述三个问题。</p>
|
||
<h2 id="透明劫持方案优化">透明劫持方案优化</h2>
|
||
<p>为了优化 Istio 中的透明流量劫持的性能，业界提出了以下方案。</p>
|
||
<p><strong>使用 Merbridge 开源项目利用 <a href="../GLOSSARY.html#ebpf" class="glossary-term" title="eBPF 是扩展的柏克莱封包过滤器（extented Berkeley Packet Filter）的缩写，它是类 Unix 系统上数据链路层的一种原始接口，提供原始链路层封包的收发，除此之外，如果网卡驱动支持洪泛模式，那么它可以让网卡处于此种模式，这样可以收到网络上的所有包，不管他们的目的地是不是所在主机。">eBPF</a> 劫持流量</strong></p>
|
||
<p><a href="https://github.com/merbridge/merbridge" target="_blank">Merbridge</a> 是由 DaoCloud 在 2022 年初开源的的一款利用 <a href="../GLOSSARY.html#ebpf" class="glossary-term" title="eBPF 是扩展的柏克莱封包过滤器（extented Berkeley Packet Filter）的缩写，它是类 Unix 系统上数据链路层的一种原始接口，提供原始链路层封包的收发，除此之外，如果网卡驱动支持洪泛模式，那么它可以让网卡处于此种模式，这样可以收到网络上的所有包，不管他们的目的地是不是所在主机。">eBPF</a> 加速 Istio 服务网格的插件。使用 Merbridge 可以在一定程度上优化数据平面的网络性能。</p>
|
||
<p>Merbridge 利用 <a href="../GLOSSARY.html#ebpf" class="glossary-term" title="eBPF 是扩展的柏克莱封包过滤器（extented Berkeley Packet Filter）的缩写，它是类 Unix 系统上数据链路层的一种原始接口，提供原始链路层封包的收发，除此之外，如果网卡驱动支持洪泛模式，那么它可以让网卡处于此种模式，这样可以收到网络上的所有包，不管他们的目的地是不是所在主机。">eBPF</a> 的 sockops 和 redir 能力，可以直接将数据包从 inbound socket 传输到 outbound socket。<a href="../GLOSSARY.html#ebpf" class="glossary-term" title="eBPF 是扩展的柏克莱封包过滤器（extented Berkeley Packet Filter）的缩写，它是类 Unix 系统上数据链路层的一种原始接口，提供原始链路层封包的收发，除此之外，如果网卡驱动支持洪泛模式，那么它可以让网卡处于此种模式，这样可以收到网络上的所有包，不管他们的目的地是不是所在主机。">eBPF</a> 提供了 <code>bpf_msg_redirect_hash</code> 函数可以直接转发应用程序的数据包。</p>
|
||
<p>详见 <a href="https://jimmysong.io/istio-handbook/ecosystem/merbridge.html" target="_blank">Istio 服务网格 —— 云原生应用网络构建指南</a>。</p>
|
||
<p><strong>使用 tproxy 处理 inbound 流量</strong></p>
|
||
<p>tproxy 可以用于 inbound 流量的重定向，且无需改变报文中的目的 IP/端口，不需要执行连接跟踪，不会出现 conntrack 模块创建大量连接的问题。受限于内核版本，tproxy 应用于 outbound 存在一定缺陷。目前 Istio 支持通过 tproxy 处理 inbound 流量。</p>
|
||
<p><strong>使用 hook connect 处理 outbound 流量</strong></p>
|
||
<p>为了适配更多应用场景，outbound 方向通过 hook connect 来实现，实现原理如下：</p>
|
||
<figure id="fig7.3.4.5"><a href="../images/hook-connect.jpg" data-lightbox="e3ceb72e-28e7-4049-9cfd-10cbc8c0ff8b" data-title="hook-connect 原理示意图"><img src="../images/hook-connect.jpg" alt="hook-connect 原理示意图"></a><figcaption>图 7.3.4.5：hook-connect 原理示意图</figcaption></figure>
|
||
<p>无论采用哪种透明劫持方案，均需要解决获取真实目的 IP/端口的问题，使用 iptables 方案通过 getsockopt 方式获取，tproxy 可以直接读取目的地址，通过修改调用接口，hook connect 方案读取方式类似于tproxy。</p>
|
||
<p>实现透明劫持后，在内核版本满足要求（4.16以上）的前提下，通过 sockmap 可以缩短报文穿越路径，进而改善 outbound 方向的转发性能。</p>
|
||
<h2 id="参考">参考</h2>
|
||
<ul>
|
||
<li><a href="https://istio.io/docs/ops/diagnostic-tools/proxy-cmd/" target="_blank">Debugging Envoy and Istiod - istio.io</a></li>
|
||
<li><a href="https://istio.io/latest/zh/blog/2019/data-plane-setup/" target="_blank">揭开 Istio Sidecar 注入模型的神秘面纱 - istio.io</a></li>
|
||
<li><a href="https://mosn.io/docs/concept/traffic-hijack/" target="_blank">MOSN 作为 Sidecar 使用时的流量劫持方案 - mosn.io</a></li>
|
||
</ul>
|
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<script src="../gitbook/gitbook-plugin-ga/plugin.js"></script>
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<script src="../gitbook/gitbook-plugin-hide-element/plugin.js"></script>
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<script src="../gitbook/gitbook-plugin-expandable-chapters-small/expandable-chapters-small.js"></script>
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<script src="../gitbook/gitbook-plugin-insert-logo/plugin.js"></script>
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<script src="../gitbook/gitbook-plugin-adsense/plugin.js"></script>
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<script src="../gitbook/gitbook-plugin-sharing/buttons.js"></script>
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<script src="../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
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</html>
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