kubernetes-handbook/concepts/statefulset.html

5301 lines
302 KiB
HTML
Raw Normal View History

<!DOCTYPE HTML>
<html lang="zh-hans" >
<head>
<meta charset="UTF-8">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<title>StatefulSet · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="description" content="">
<meta name="generator" content="GitBook 3.2.3">
<meta name="author" content="Jimmy Song宋净超">
<link rel="stylesheet" href="../gitbook/style.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-splitter/splitter.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-page-toc-button/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-image-captions/image-captions.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-back-to-top-button/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-search-plus/search.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-tbfed-pagefooter/footer.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-prism/prism-ghcolors.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-lightbox/css/lightbox.min.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-alerts/style.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-fontsettings/website.css">
<meta name="HandheldFriendly" content="true"/>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="apple-touch-icon-precomposed" sizes="152x152" href="../gitbook/images/apple-touch-icon-precomposed-152.png">
<link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
<link rel="next" href="daemonset.html" />
<link rel="prev" href="deployment.html" />
<link rel="shortcut icon" href='../favicon.ico' type="image/x-icon">
<link rel="bookmark" href='../favicon.ico' type="image/x-icon">
<style>
@media only screen and (max-width: 640px) {
.book-header .hidden-mobile {
display: none;
}
}
</style>
<script>
window["gitbook-plugin-github-buttons"] = {"repo":"rootsongjc/kubernetes-handbook","types":["star"],"size":"small"};
</script>
</head>
<body>
<div class="book">
<div class="book-summary">
<div id="book-search-input" role="search">
<input type="text" placeholder="输入并搜索" />
</div>
<nav role="navigation">
<ul class="summary">
<li>
<a href="https://jimmysong.io" target="_blank" class="custom-link">回到主页</a>
</li>
<li>
<a href="https://jimmysong.io/awesome-cloud-native" target="_blank" class="custom-link">云原生开源项目大全</a>
</li>
<li>
<a href="https://cloudnative.to" target="_blank" class="custom-link">云原生社区</a>
</li>
<li class="divider"></li>
<li class="header">前言</li>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
</a>
</li>
<li class="header">云原生</li>
<li class="chapter " data-level="2.1" data-path="../cloud-native/cloud-native-definition.html">
<a href="../cloud-native/cloud-native-definition.html">
<b>2.1.</b>
云原生Cloud Native的定义
</a>
</li>
<li class="chapter " data-level="2.2" data-path="../cloud-native/cloud-native-philosophy.html">
<a href="../cloud-native/cloud-native-philosophy.html">
<b>2.2.</b>
云原生的设计哲学
</a>
</li>
<li class="chapter " data-level="2.3" data-path="../cloud-native/quick-start.html">
<a href="../cloud-native/quick-start.html">
<b>2.3.</b>
云原生新手入门指南
</a>
</li>
<li class="chapter " data-level="2.4" data-path="../cloud-native/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>2.4.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="2.5" data-path="../cloud-native/cloud-native-local-quick-start.html">
<a href="../cloud-native/cloud-native-local-quick-start.html">
<b>2.5.</b>
快速部署一个云原生本地实验环境
</a>
</li>
<li class="chapter " data-level="2.6" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<b>2.6.</b>
使用 Rancher 在阿里云上部署 Kubenretes 集群
</a>
</li>
<li class="chapter " data-level="2.7" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.7.</b>
Kubernetes 与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.8" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.8.</b>
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
</a>
</li>
<li class="chapter " data-level="2.9" data-path="../cloud-native/define-cloud-native-app.html">
<a href="../cloud-native/define-cloud-native-app.html">
<b>2.9.</b>
定义云原生应用
</a>
<ul class="articles">
<li class="chapter " data-level="2.9.1" data-path="../cloud-native/oam.html">
<a href="../cloud-native/oam.html">
<b>2.9.1.</b>
OAM
</a>
<ul class="articles">
<li class="chapter " data-level="2.9.1.1" data-path="../cloud-native/workload.html">
<a href="../cloud-native/workload.html">
<b>2.9.1.1.</b>
Workload
</a>
</li>
<li class="chapter " data-level="2.9.1.2" data-path="../cloud-native/component.html">
<a href="../cloud-native/component.html">
<b>2.9.1.2.</b>
Component
</a>
</li>
<li class="chapter " data-level="2.9.1.3" data-path="../cloud-native/trait.html">
<a href="../cloud-native/trait.html">
<b>2.9.1.3.</b>
Trait
</a>
</li>
<li class="chapter " data-level="2.9.1.4" data-path="../cloud-native/application-scope.html">
<a href="../cloud-native/application-scope.html">
<b>2.9.1.4.</b>
Application Scope
</a>
</li>
<li class="chapter " data-level="2.9.1.5" data-path="../cloud-native/application-configuration.html">
<a href="../cloud-native/application-configuration.html">
<b>2.9.1.5.</b>
Application Configuration
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.9.2" data-path="../cloud-native/crossplane.html">
<a href="../cloud-native/crossplane.html">
<b>2.9.2.</b>
Crossplane
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.10" data-path="../cloud-native/cloud-native-programming-languages.html">
<a href="../cloud-native/cloud-native-programming-languages.html">
<b>2.10.</b>
云原生编程语言
</a>
<ul class="articles">
<li class="chapter " data-level="2.10.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
<b>2.10.1.</b>
云原生编程语言 Ballerina
</a>
</li>
<li class="chapter " data-level="2.10.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
<b>2.10.2.</b>
云原生编程语言 Pulumi
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.11" data-path="../cloud-native/the-future-of-cloud-native.html">
<a href="../cloud-native/the-future-of-cloud-native.html">
<b>2.11.</b>
云原生的未来
</a>
</li>
<li class="header">概念与原理</li>
<li class="chapter " data-level="3.1" data-path="./">
<a href="./">
<b>3.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.1" data-path="concepts.html">
<a href="concepts.html">
<b>3.1.1.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="3.1.2" data-path="etcd.html">
<a href="etcd.html">
<b>3.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="3.1.3" data-path="open-interfaces.html">
<a href="open-interfaces.html">
<b>3.1.3.</b>
开放接口
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.3.1" data-path="cri.html">
<a href="cri.html">
<b>3.1.3.1.</b>
CRI - Container Runtime Interface容器运行时接口
</a>
</li>
<li class="chapter " data-level="3.1.3.2" data-path="cni.html">
<a href="cni.html">
<b>3.1.3.2.</b>
CNI - Container Network Interface容器网络接口
</a>
</li>
<li class="chapter " data-level="3.1.3.3" data-path="csi.html">
<a href="csi.html">
<b>3.1.3.3.</b>
CSI - Container Storage Interface容器存储接口
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2" data-path="networking.html">
<a href="networking.html">
<b>3.2.</b>
Kubernetes 中的网络
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="flannel.html">
<a href="flannel.html">
<b>3.2.1.</b>
Kubernetes 中的网络解析 —— 以 flannel 为例
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="calico.html">
<a href="calico.html">
<b>3.2.2.</b>
Kubernetes 中的网络解析 —— 以 calico 为例
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="cilium.html">
<a href="cilium.html">
<b>3.2.3.</b>
具备 API 感知的网络和安全性管理开源软件 Cilium
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.1" data-path="cilium-concepts.html">
<a href="cilium-concepts.html">
<b>3.2.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="objects.html">
<a href="objects.html">
<b>3.3.</b>
资源对象与基本概念解析
</a>
</li>
<li class="chapter " data-level="3.4" data-path="pod-state-and-lifecycle.html">
<a href="pod-state-and-lifecycle.html">
<b>3.4.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>3.4.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="pod.html">
<a href="pod.html">
<b>3.4.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>3.4.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="pause-container.html">
<a href="pause-container.html">
<b>3.4.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>3.4.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>3.4.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="3.4.7" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>3.4.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>3.4.8.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="3.4.9" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>3.4.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="cluster.html">
<a href="cluster.html">
<b>3.5.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="node.html">
<a href="node.html">
<b>3.5.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="namespace.html">
<a href="namespace.html">
<b>3.5.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="label.html">
<a href="label.html">
<b>3.5.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="annotation.html">
<a href="annotation.html">
<b>3.5.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>3.5.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>3.5.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="controllers.html">
<a href="controllers.html">
<b>3.6.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="deployment.html">
<a href="deployment.html">
<b>3.6.1.</b>
Deployment
</a>
</li>
<li class="chapter active" data-level="3.6.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>3.6.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>3.6.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="3.6.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>3.6.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="3.6.5" data-path="job.html">
<a href="job.html">
<b>3.6.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="3.6.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>3.6.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="3.6.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>3.6.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>3.6.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6.8" data-path="admission-controller.html">
<a href="admission-controller.html">
<b>3.6.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.7" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>3.7.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.1" data-path="service.html">
<a href="service.html">
<b>3.7.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="3.7.2" data-path="ingress.html">
<a href="ingress.html">
<b>3.7.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>3.7.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.8" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>3.8.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="3.8.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>3.8.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="3.8.2" data-path="rbac.html">
<a href="rbac.html">
<b>3.8.2.</b>
RBAC—— 基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.8.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>3.8.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9" data-path="storage.html">
<a href="storage.html">
<b>3.9.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.1" data-path="secret.html">
<a href="secret.html">
<b>3.9.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="3.9.2" data-path="configmap.html">
<a href="configmap.html">
<b>3.9.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>3.9.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9.3" data-path="volume.html">
<a href="volume.html">
<b>3.9.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="3.9.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>3.9.4.</b>
Persistent Volume持久化卷
</a>
</li>
<li class="chapter " data-level="3.9.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>3.9.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="3.9.6" data-path="local-persistent-storage.html">
<a href="local-persistent-storage.html">
<b>3.9.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.10" data-path="extension.html">
<a href="extension.html">
<b>3.10.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="3.10.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>3.10.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter " data-level="3.10.2" data-path="crd.html">
<a href="crd.html">
<b>3.10.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="3.10.3" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>3.10.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="3.10.4" data-path="apiservice.html">
<a href="apiservice.html">
<b>3.10.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="3.10.5" data-path="service-catalog.html">
<a href="service-catalog.html">
<b>3.10.5.</b>
Service Catalog
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.11" data-path="scheduling.html">
<a href="scheduling.html">
<b>3.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="3.11.1" data-path="qos.html">
<a href="qos.html">
<b>3.11.1.</b>
QoS服务质量等级
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="4.1" data-path="../guide/">
<a href="../guide/">
<b>4.1.</b>
用户指南
</a>
</li>
<li class="chapter " data-level="4.2" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
<b>4.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
<b>4.2.1.</b>
配置 Pod 的 liveness 和 readiness 探针
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
<b>4.2.2.</b>
配置 Pod 的 Service Account
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../guide/secret-configuration.html">
<a href="../guide/secret-configuration.html">
<b>4.2.3.</b>
Secret 配置
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../guide/resource-quota-management.html">
<a href="../guide/resource-quota-management.html">
<b>4.2.4.</b>
管理 namespace 中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
<b>4.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../guide/docker-cli-to-kubectl.html">
<a href="../guide/docker-cli-to-kubectl.html">
<b>4.3.1.</b>
Docker 用户过渡到 kubectl 命令行指南
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
<b>4.3.2.</b>
kubectl 命令概览
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../guide/kubectl-cheatsheet.html">
<a href="../guide/kubectl-cheatsheet.html">
<b>4.3.3.</b>
kubectl 命令技巧大全
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
<b>4.3.4.</b>
使用 etcdctl 访问 kubernetes 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../guide/cluster-security-management.html">
<a href="../guide/cluster-security-management.html">
<b>4.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
<a href="../guide/managing-tls-in-a-cluster.html">
<b>4.4.1.</b>
管理集群中的 TLS
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
<b>4.4.2.</b>
kubelet 的认证授权
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
<b>4.4.3.</b>
TLS Bootstrap
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
<b>4.4.4.</b>
创建用户认证授权的 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../guide/ip-masq-agent.html">
<a href="../guide/ip-masq-agent.html">
<b>4.4.5.</b>
IP 伪装代理
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../guide/auth-with-kubeconfig-or-token.html">
<a href="../guide/auth-with-kubeconfig-or-token.html">
<b>4.4.6.</b>
使用 kubeconfig 或 token 进行用户身份认证
</a>
</li>
<li class="chapter " data-level="4.4.7" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
<b>4.4.7.</b>
Kubernetes 中的用户与身份认证授权
</a>
</li>
<li class="chapter " data-level="4.4.8" data-path="../guide/kubernetes-security-best-practice.html">
<a href="../guide/kubernetes-security-best-practice.html">
<b>4.4.8.</b>
Kubernetes 集群安全性配置最佳实践
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../guide/access-kubernetes-cluster.html">
<a href="../guide/access-kubernetes-cluster.html">
<b>4.5.</b>
访问 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../guide/access-cluster.html">
<a href="../guide/access-cluster.html">
<b>4.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="4.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
<b>4.5.2.</b>
使用 kubeconfig 文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="4.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
<a href="../guide/connecting-to-applications-port-forward.html">
<b>4.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.4" data-path="../guide/service-access-application-cluster.html">
<a href="../guide/service-access-application-cluster.html">
<b>4.5.4.</b>
使用 service 访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.5" 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>4.5.5.</b>
从外部访问 Kubernetes 中的 Pod
</a>
</li>
<li class="chapter " data-level="4.5.6" data-path="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<a href="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<b>4.5.6.</b>
Cabin - Kubernetes 手机客户端
</a>
</li>
<li class="chapter " data-level="4.5.7" data-path="../guide/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>4.5.7.</b>
Lens - Kubernetes IDE/桌面客户端
</a>
</li>
<li class="chapter " data-level="4.5.8" data-path="../guide/kubernator-kubernetes-ui.html">
<a href="../guide/kubernator-kubernetes-ui.html">
<b>4.5.8.</b>
Kubernator - 更底层的 Kubernetes UI
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../guide/application-development-deployment-flow.html">
<a href="../guide/application-development-deployment-flow.html">
<b>4.6.</b>
在 Kubernetes 中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
<a href="../guide/deploy-applications-in-kubernetes.html">
<b>4.6.1.</b>
适用于 kubernetes 的应用开发部署流程
</a>
</li>
<li class="chapter " data-level="4.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<b>4.6.2.</b>
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
</a>
</li>
<li class="chapter " data-level="4.6.3" data-path="../guide/using-statefulset.html">
<a href="../guide/using-statefulset.html">
<b>4.6.3.</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="5.1" data-path="../practice/">
<a href="../practice/">
<b>5.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../practice/install-kubernetes-on-centos.html">
<a href="../practice/install-kubernetes-on-centos.html">
<b>5.2.</b>
在 CentOS 上部署 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>5.2.1.</b>
创建 TLS 证书和秘钥
</a>
</li>
<li class="chapter " data-level="5.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>5.2.2.</b>
创建 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="5.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>5.2.3.</b>
创建高可用 etcd 集群
</a>
</li>
<li class="chapter " data-level="5.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>5.2.4.</b>
安装 kubectl 命令行工具
</a>
</li>
<li class="chapter " data-level="5.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>5.2.5.</b>
部署 master 节点
</a>
</li>
<li class="chapter " data-level="5.2.6" data-path="../practice/flannel-installation.html">
<a href="../practice/flannel-installation.html">
<b>5.2.6.</b>
安装 flannel 网络插件
</a>
</li>
<li class="chapter " data-level="5.2.7" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>5.2.7.</b>
部署 node 节点
</a>
</li>
<li class="chapter " data-level="5.2.8" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>5.2.8.</b>
安装 kubedns 插件
</a>
</li>
<li class="chapter " data-level="5.2.9" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>5.2.9.</b>
安装 dashboard 插件
</a>
</li>
<li class="chapter " data-level="5.2.10" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>5.2.10.</b>
安装 heapster 插件
</a>
</li>
<li class="chapter " data-level="5.2.11" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>5.2.11.</b>
安装 EFK 插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../practice/install-kubernetes-with-kubeadm.html">
<a href="../practice/install-kubernetes-with-kubeadm.html">
<b>5.3.</b>
生产级的 Kubernetes 简化管理工具 kubeadm
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" 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>5.3.1.</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="5.4" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>5.4.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>5.4.1.</b>
安装 Traefik ingress
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>5.4.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="5.4.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>5.4.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="5.4.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>5.4.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="5.4.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>5.4.5.</b>
安装 Nginx ingress
</a>
</li>
<li class="chapter " data-level="5.4.6" data-path="../practice/dns-installation.html">
<a href="../practice/dns-installation.html">
<b>5.4.6.</b>
安装配置 DNS
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.6.1" data-path="../practice/configuring-dns.html">
<a href="../practice/configuring-dns.html">
<b>5.4.6.1.</b>
安装配置 Kube-dns
</a>
</li>
<li class="chapter " data-level="5.4.6.2" data-path="../practice/coredns.html">
<a href="../practice/coredns.html">
<b>5.4.6.2.</b>
安装配置 CoreDNS
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>5.5.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../practice/master-ha.html">
<a href="../practice/master-ha.html">
<b>5.5.1.</b>
Master 节点高可用
</a>
</li>
<li class="chapter " data-level="5.5.2" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>5.5.2.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="5.5.3" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>5.5.3.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="5.5.4" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>5.5.4.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="5.5.5" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>5.5.5.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="5.5.6" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>5.5.6.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="5.5.7" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>5.5.7.</b>
管理容器的计算资源
</a>
</li>
<li class="chapter " data-level="5.5.8" data-path="../practice/federation.html">
<a href="../practice/federation.html">
<b>5.5.8.</b>
集群联邦
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>5.6.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>5.6.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>5.6.1.1.</b>
使用 GlusterFS 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.1.2" data-path="../practice/using-heketi-gluster-for-persistent-storage.html">
<a href="../practice/using-heketi-gluster-for-persistent-storage.html">
<b>5.6.1.2.</b>
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
</a>
</li>
<li class="chapter " data-level="5.6.1.3" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>5.6.1.3.</b>
在 OpenShift 中使用 GlusterFS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.2" data-path="../practice/glusterd-2.0.html">
<a href="../practice/glusterd-2.0.html">
<b>5.6.2.</b>
GlusterD-2.0
</a>
</li>
<li class="chapter " data-level="5.6.3" data-path="../practice/ceph.html">
<a href="../practice/ceph.html">
<b>5.6.3.</b>
Ceph
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.3.1" data-path="../practice/ceph-helm-install-guide-zh.html">
<a href="../practice/ceph-helm-install-guide-zh.html">
<b>5.6.3.1.</b>
用 Helm 托管安装 Ceph 集群并提供后端存储
</a>
</li>
<li class="chapter " data-level="5.6.3.2" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>5.6.3.2.</b>
使用 Ceph 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.3.3" data-path="../practice/rbd-provisioner.html">
<a href="../practice/rbd-provisioner.html">
<b>5.6.3.3.</b>
使用 rbd-provisioner 提供 rbd 持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.4" data-path="../practice/openebs.html">
<a href="../practice/openebs.html">
<b>5.6.4.</b>
OpenEBS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.4.1" data-path="../practice/using-openebs-for-persistent-storage.html">
<a href="../practice/using-openebs-for-persistent-storage.html">
<b>5.6.4.1.</b>
使用 OpenEBS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.5" data-path="../practice/rook.html">
<a href="../practice/rook.html">
<b>5.6.5.</b>
Rook
</a>
</li>
<li class="chapter " data-level="5.6.6" data-path="../practice/nfs.html">
<a href="../practice/nfs.html">
<b>5.6.6.</b>
NFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.6.1" data-path="../practice/using-nfs-for-persistent-storage.html">
<a href="../practice/using-nfs-for-persistent-storage.html">
<b>5.6.6.1.</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="5.7" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>5.7.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>5.7.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>5.7.1.1.</b>
使用 Heapster 获取集群和对象的 metric 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>5.7.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>5.7.2.1.</b>
使用 Prometheus 监控 kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.7.2.2" data-path="../practice/promql.html">
<a href="../practice/promql.html">
<b>5.7.2.2.</b>
Prometheus 查询语言 PromQL 使用说明
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.3" data-path="../practice/vistio-visualize-your-istio-mesh.html">
<a href="../practice/vistio-visualize-your-istio-mesh.html">
<b>5.7.3.</b>
使用 Vistio 监控 Istio 服务网格中的流量
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.8" data-path="../practice/distributed-tracing.html">
<a href="../practice/distributed-tracing.html">
<b>5.8.</b>
分布式跟踪
</a>
<ul class="articles">
<li class="chapter " data-level="5.8.1" data-path="../practice/opentracing.html">
<a href="../practice/opentracing.html">
<b>5.8.1.</b>
OpenTracing
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.9" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>5.9.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.9.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>5.9.1.</b>
使用 Helm 管理 Kubernetes 应用
</a>
</li>
<li class="chapter " data-level="5.9.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>5.9.2.</b>
构建私有 Chart 仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.10" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>5.10.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="5.10.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>5.10.1.</b>
使用 Jenkins 进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="5.10.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>5.10.2.</b>
使用 Drone 进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.11" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>5.11.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="5.11.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>5.11.1.</b>
手动升级 Kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.11.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>5.11.2.</b>
升级 dashboard
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.12" data-path="../practice/controller-extended.html">
<a href="../practice/controller-extended.html">
<b>5.12.</b>
扩展控制器
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1" data-path="../practice/openkruise.html">
<a href="../practice/openkruise.html">
<b>5.12.1.</b>
OpenKruise
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1.1" data-path="../practice/in-place-update.html">
<a href="../practice/in-place-update.html">
<b>5.12.1.1.</b>
原地升级
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="6.1" data-path="../usecases/">
<a href="../usecases/">
<b>6.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>6.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>6.2.1.</b>
微服务中的服务发现
</a>
</li>
<li class="chapter " data-level="6.2.2" data-path="../usecases/microservices-for-java-developers.html">
<a href="../usecases/microservices-for-java-developers.html">
<b>6.2.2.</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="6.2.2.1" data-path="../usecases/spring-boot-quick-start-guide.html">
<a href="../usecases/spring-boot-quick-start-guide.html">
<b>6.2.2.1.</b>
Spring Boot 快速开始指南
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3" data-path="../usecases/observability.html">
<a href="../usecases/observability.html">
<b>6.3.</b>
可观察性
</a>
</li>
<li class="chapter " data-level="6.4" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>6.4.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1" data-path="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<a href="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<b>6.4.1.</b>
企业级服务网格架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1.1" data-path="../usecases/service-mesh-fundamental.html">
<a href="../usecases/service-mesh-fundamental.html">
<b>6.4.1.1.</b>
Service Mesh 基础
</a>
</li>
<li class="chapter " data-level="6.4.1.2" data-path="../usecases/comparing-service-mesh-technologies.html">
<a href="../usecases/comparing-service-mesh-technologies.html">
<b>6.4.1.2.</b>
Service Mesh 技术对比
</a>
</li>
<li class="chapter " data-level="6.4.1.3" data-path="../usecases/service-mesh-adoption-and-evolution.html">
<a href="../usecases/service-mesh-adoption-and-evolution.html">
<b>6.4.1.3.</b>
采纳和演进
</a>
</li>
<li class="chapter " data-level="6.4.1.4" data-path="../usecases/service-mesh-customization-and-integration.html">
<a href="../usecases/service-mesh-customization-and-integration.html">
<b>6.4.1.4.</b>
定制和集成
</a>
</li>
<li class="chapter " data-level="6.4.1.5" data-path="../usecases/service-mesh-conclusion.html">
<a href="../usecases/service-mesh-conclusion.html">
<b>6.4.1.5.</b>
总结
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.2" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>6.4.2.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.2.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>6.4.2.1.</b>
安装并试用 Istio service mesh
</a>
</li>
<li class="chapter " data-level="6.4.2.2" data-path="../usecases/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>6.4.2.2.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="6.4.2.3" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>6.4.2.3.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="6.4.2.4" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>6.4.2.4.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="6.4.2.5" data-path="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<a href="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<b>6.4.2.5.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="6.4.2.6" data-path="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<a href="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<b>6.4.2.6.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
<li class="chapter " data-level="6.4.2.7" data-path="../usecases/how-to-integrate-istio-with-vm.html">
<a href="../usecases/how-to-integrate-istio-with-vm.html">
<b>6.4.2.7.</b>
Istio 如何支持虚拟机
</a>
</li>
<li class="chapter " data-level="6.4.2.8" data-path="../usecases/istio-vm-support.html">
<a href="../usecases/istio-vm-support.html">
<b>6.4.2.8.</b>
Istio 支持虚拟机的历史
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.3" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>6.4.3.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.3.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>6.4.3.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.4" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>6.4.4.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.4.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>6.4.4.1.</b>
Condiut 概览
</a>
</li>
<li class="chapter " data-level="6.4.4.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>6.4.4.2.</b>
安装 Conduit
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.5" data-path="../usecases/envoy.html">
<a href="../usecases/envoy.html">
<b>6.4.5.</b>
Envoy
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.5.1" data-path="../usecases/envoy-terminology.html">
<a href="../usecases/envoy-terminology.html">
<b>6.4.5.1.</b>
Envoy 的架构与基本术语
</a>
</li>
<li class="chapter " data-level="6.4.5.2" data-path="../usecases/envoy-front-proxy.html">
<a href="../usecases/envoy-front-proxy.html">
<b>6.4.5.2.</b>
Envoy 作为前端代理
</a>
</li>
<li class="chapter " data-level="6.4.5.3" data-path="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<a href="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<b>6.4.5.3.</b>
Envoy mesh 教程
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.6" data-path="../usecases/mosn.html">
<a href="../usecases/mosn.html">
<b>6.4.6.</b>
MOSN
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>6.5.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>6.5.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="6.5.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>6.5.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>6.6.</b>
Serverless 架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>6.6.1.</b>
理解 Serverless
</a>
</li>
<li class="chapter " data-level="6.6.2" data-path="../usecases/faas.html">
<a href="../usecases/faas.html">
<b>6.6.2.</b>
FaaS函数即服务
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.2.1" data-path="../usecases/openfaas-quick-start.html">
<a href="../usecases/openfaas-quick-start.html">
<b>6.6.2.1.</b>
OpenFaaS 快速入门指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6.3" data-path="../usecases/knative.html">
<a href="../usecases/knative.html">
<b>6.6.3.</b>
Knative
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.7" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>6.7.</b>
边缘计算
</a>
</li>
<li class="chapter " data-level="6.8" data-path="../usecases/ai.html">
<a href="../usecases/ai.html">
<b>6.8.</b>
人工智能
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="7.1" data-path="../develop/">
<a href="../develop/">
<b>7.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>7.2.</b>
SIG 和工作组
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>7.3.</b>
开发环境搭建
</a>
<ul class="articles">
<li class="chapter " data-level="7.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
<b>7.3.1.</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="7.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>7.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>7.5.</b>
client-go 示例
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../develop/operator.html">
<a href="../develop/operator.html">
<b>7.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="7.6.1" data-path="../develop/operator-sdk.html">
<a href="../develop/operator-sdk.html">
<b>7.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.7" data-path="../develop/kubebuilder.html">
<a href="../develop/kubebuilder.html">
<b>7.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter " data-level="7.7.1" data-path="../develop/kubebuilder-example.html">
<a href="../develop/kubebuilder-example.html">
<b>7.7.1.</b>
使用 kubebuilder 创建 operator 示例
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.8" data-path="../develop/advance-developer.html">
<a href="../develop/advance-developer.html">
<b>7.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="7.9" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>7.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="7.10" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>7.10.</b>
Minikube
</a>
</li>
<li class="header">CNCF云原生计算基金会</li>
<li class="chapter " data-level="8.1" data-path="../cloud-native/cncf.html">
<a href="../cloud-native/cncf.html">
<b>8.1.</b>
CNCF - 云原生计算基金会简介
</a>
</li>
<li class="chapter " data-level="8.2" data-path="../cloud-native/cncf-charter.html">
<a href="../cloud-native/cncf-charter.html">
<b>8.2.</b>
CNCF 章程
</a>
</li>
<li class="chapter " data-level="8.3" data-path="../cloud-native/cncf-sig.html">
<a href="../cloud-native/cncf-sig.html">
<b>8.3.</b>
CNCF 特别兴趣小组SIG说明
</a>
</li>
<li class="chapter " data-level="8.4" data-path="../cloud-native/cncf-sandbox-criteria.html">
<a href="../cloud-native/cncf-sandbox-criteria.html">
<b>8.4.</b>
开源项目加入 CNCF Sandbox 的要求
</a>
</li>
<li class="chapter " data-level="8.5" data-path="../cloud-native/cncf-project-governing.html">
<a href="../cloud-native/cncf-project-governing.html">
<b>8.5.</b>
CNCF 中的项目治理
</a>
</li>
<li class="chapter " data-level="8.6" data-path="../cloud-native/cncf-ambassador.html">
<a href="../cloud-native/cncf-ambassador.html">
<b>8.6.</b>
CNCF Ambassador
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="9.1" data-path="../appendix/">
<a href="../appendix/">
<b>9.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="9.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>9.2.</b>
Kubernetes 中的应用故障排查
</a>
</li>
<li class="chapter " data-level="9.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>9.3.</b>
Kubernetes 相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="9.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>9.4.</b>
Docker 最佳实践
</a>
</li>
<li class="chapter " data-level="9.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>9.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="9.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>9.6.</b>
问题记录
</a>
</li>
<li class="chapter " data-level="9.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>9.7.</b>
Kubernetes 版本更新日志
</a>
<ul class="articles">
<li class="chapter " data-level="9.7.1" data-path="../appendix/kubernetes-1.7-changelog.html">
<a href="../appendix/kubernetes-1.7-changelog.html">
<b>9.7.1.</b>
Kubernetes1.7 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.2" data-path="../appendix/kubernetes-1.8-changelog.html">
<a href="../appendix/kubernetes-1.8-changelog.html">
<b>9.7.2.</b>
Kubernetes1.8 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.3" data-path="../appendix/kubernetes-1.9-changelog.html">
<a href="../appendix/kubernetes-1.9-changelog.html">
<b>9.7.3.</b>
Kubernetes1.9 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.4" data-path="../appendix/kubernetes-1.10-changelog.html">
<a href="../appendix/kubernetes-1.10-changelog.html">
<b>9.7.4.</b>
Kubernetes1.10 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.5" data-path="../appendix/kubernetes-1.11-changelog.html">
<a href="../appendix/kubernetes-1.11-changelog.html">
<b>9.7.5.</b>
Kubernetes1.11 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.6" data-path="../appendix/kubernetes-1.12-changelog.html">
<a href="../appendix/kubernetes-1.12-changelog.html">
<b>9.7.6.</b>
Kubernetes1.12 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.7" data-path="../appendix/kubernetes-1.13-changelog.html">
<a href="../appendix/kubernetes-1.13-changelog.html">
<b>9.7.7.</b>
Kubernetes1.13 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.8" data-path="../appendix/kubernetes-1.14-changelog.html">
<a href="../appendix/kubernetes-1.14-changelog.html">
<b>9.7.8.</b>
Kubernetes1.14 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.9" data-path="../appendix/kubernetes-1.15-changelog.html">
<a href="../appendix/kubernetes-1.15-changelog.html">
<b>9.7.9.</b>
Kubernetes1.15 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.10" data-path="../appendix/kubernetes-1.16-changelog.html">
<a href="../appendix/kubernetes-1.16-changelog.html">
<b>9.7.10.</b>
Kubernetes1.16 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.11" data-path="../appendix/kubernetes-1.17-changelog.html">
<a href="../appendix/kubernetes-1.17-changelog.html">
<b>9.7.11.</b>
Kubernetes1.17 更新日志
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.8" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>9.8.</b>
Kubernetes 及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="9.8.1" 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>9.8.1.</b>
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
</a>
</li>
<li class="chapter " data-level="9.8.2" 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>9.8.2.</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="9.9" data-path="../appendix/cncf-annual-report.html">
<a href="../appendix/cncf-annual-report.html">
<b>9.9.</b>
CNCF 年度报告解读
</a>
<ul class="articles">
<li class="chapter " data-level="9.9.1" data-path="../appendix/cncf-annual-report-2018.html">
<a href="../appendix/cncf-annual-report-2018.html">
<b>9.9.1.</b>
CNCF 2018 年年度报告解读
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.10" data-path="../appendix/about-kcsp.html">
<a href="../appendix/about-kcsp.html">
<b>9.10.</b>
Kubernetes 认证服务提供商KCSP说明
</a>
</li>
<li class="chapter " data-level="9.11" data-path="../appendix/about-cka-candidate.html">
<a href="../appendix/about-cka-candidate.html">
<b>9.11.</b>
认证 Kubernetes 管理员CKA说明
</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=".." >StatefulSet</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="statefulset">StatefulSet</h1>
<p>StatefulSet &#x4F5C;&#x4E3A; Controller &#x4E3A; Pod &#x63D0;&#x4F9B;&#x552F;&#x4E00;&#x7684;&#x6807;&#x8BC6;&#x3002;&#x5B83;&#x53EF;&#x4EE5;&#x4FDD;&#x8BC1;&#x90E8;&#x7F72;&#x548C; scale &#x7684;&#x987A;&#x5E8F;&#x3002;</p>
<p>&#x4F7F;&#x7528;&#x6848;&#x4F8B;&#x53C2;&#x8003;&#xFF1A;<a href="https://github.com/kubernetes/contrib/tree/master/statefulsets" target="_blank">kubernetes contrib - statefulsets</a>&#xFF0C;&#x5176;&#x4E2D;&#x5305;&#x542B;zookeeper&#x548C;kakfa&#x7684;statefulset&#x8BBE;&#x7F6E;&#x548C;&#x4F7F;&#x7528;&#x8BF4;&#x660E;&#x3002;</p>
<p>StatefulSet&#x662F;&#x4E3A;&#x4E86;&#x89E3;&#x51B3;&#x6709;&#x72B6;&#x6001;&#x670D;&#x52A1;&#x7684;&#x95EE;&#x9898;&#xFF08;&#x5BF9;&#x5E94;Deployments&#x548C;ReplicaSets&#x662F;&#x4E3A;&#x65E0;&#x72B6;&#x6001;&#x670D;&#x52A1;&#x800C;&#x8BBE;&#x8BA1;&#xFF09;&#xFF0C;&#x5176;&#x5E94;&#x7528;&#x573A;&#x666F;&#x5305;&#x62EC;&#xFF1A;</p>
<ul>
<li>&#x7A33;&#x5B9A;&#x7684;&#x6301;&#x4E45;&#x5316;&#x5B58;&#x50A8;&#xFF0C;&#x5373;Pod&#x91CD;&#x65B0;&#x8C03;&#x5EA6;&#x540E;&#x8FD8;&#x662F;&#x80FD;&#x8BBF;&#x95EE;&#x5230;&#x76F8;&#x540C;&#x7684;&#x6301;&#x4E45;&#x5316;&#x6570;&#x636E;&#xFF0C;&#x57FA;&#x4E8E;PVC&#x6765;&#x5B9E;&#x73B0;</li>
<li>&#x7A33;&#x5B9A;&#x7684;&#x7F51;&#x7EDC;&#x6807;&#x5FD7;&#xFF0C;&#x5373;Pod&#x91CD;&#x65B0;&#x8C03;&#x5EA6;&#x540E;&#x5176;PodName&#x548C;HostName&#x4E0D;&#x53D8;&#xFF0C;&#x57FA;&#x4E8E;Headless Service&#xFF08;&#x5373;&#x6CA1;&#x6709;Cluster IP&#x7684;Service&#xFF09;&#x6765;&#x5B9E;&#x73B0;</li>
<li>&#x6709;&#x5E8F;&#x90E8;&#x7F72;&#xFF0C;&#x6709;&#x5E8F;&#x6269;&#x5C55;&#xFF0C;&#x5373;Pod&#x662F;&#x6709;&#x987A;&#x5E8F;&#x7684;&#xFF0C;&#x5728;&#x90E8;&#x7F72;&#x6216;&#x8005;&#x6269;&#x5C55;&#x7684;&#x65F6;&#x5019;&#x8981;&#x4F9D;&#x636E;&#x5B9A;&#x4E49;&#x7684;&#x987A;&#x5E8F;&#x4F9D;&#x6B21;&#x4F9D;&#x6B21;&#x8FDB;&#x884C;&#xFF08;&#x5373;&#x4ECE;0&#x5230;N-1&#xFF0C;&#x5728;&#x4E0B;&#x4E00;&#x4E2A;Pod&#x8FD0;&#x884C;&#x4E4B;&#x524D;&#x6240;&#x6709;&#x4E4B;&#x524D;&#x7684;Pod&#x5FC5;&#x987B;&#x90FD;&#x662F;Running&#x548C;Ready&#x72B6;&#x6001;&#xFF09;&#xFF0C;&#x57FA;&#x4E8E;init containers&#x6765;&#x5B9E;&#x73B0;</li>
<li>&#x6709;&#x5E8F;&#x6536;&#x7F29;&#xFF0C;&#x6709;&#x5E8F;&#x5220;&#x9664;&#xFF08;&#x5373;&#x4ECE;N-1&#x5230;0&#xFF09;</li>
</ul>
<p>&#x4ECE;&#x4E0A;&#x9762;&#x7684;&#x5E94;&#x7528;&#x573A;&#x666F;&#x53EF;&#x4EE5;&#x53D1;&#x73B0;&#xFF0C;StatefulSet&#x7531;&#x4EE5;&#x4E0B;&#x51E0;&#x4E2A;&#x90E8;&#x5206;&#x7EC4;&#x6210;&#xFF1A;</p>
<ul>
<li>&#x7528;&#x4E8E;&#x5B9A;&#x4E49;&#x7F51;&#x7EDC;&#x6807;&#x5FD7;&#xFF08;DNS domain&#xFF09;&#x7684;Headless Service</li>
<li>&#x7528;&#x4E8E;&#x521B;&#x5EFA;PersistentVolumes&#x7684;volumeClaimTemplates</li>
<li>&#x5B9A;&#x4E49;&#x5177;&#x4F53;&#x5E94;&#x7528;&#x7684;StatefulSet</li>
</ul>
<p>StatefulSet&#x4E2D;&#x6BCF;&#x4E2A;Pod&#x7684;DNS&#x683C;&#x5F0F;&#x4E3A;<code>statefulSetName-{0..N-1}.serviceName.namespace.svc.cluster.local</code>&#xFF0C;&#x5176;&#x4E2D;</p>
<ul>
<li><code>serviceName</code>&#x4E3A;Headless Service&#x7684;&#x540D;&#x5B57;</li>
<li><code>0..N-1</code>&#x4E3A;Pod&#x6240;&#x5728;&#x7684;&#x5E8F;&#x53F7;&#xFF0C;&#x4ECE;0&#x5F00;&#x59CB;&#x5230;N-1</li>
<li><code>statefulSetName</code>&#x4E3A;StatefulSet&#x7684;&#x540D;&#x5B57;</li>
<li><code>namespace</code>&#x4E3A;&#x670D;&#x52A1;&#x6240;&#x5728;&#x7684;namespace&#xFF0C;Headless Servic&#x548C;StatefulSet&#x5FC5;&#x987B;&#x5728;&#x76F8;&#x540C;&#x7684;namespace</li>
<li><code>.cluster.local</code>&#x4E3A;Cluster Domain</li>
</ul>
<h2 id="&#x4F7F;&#x7528;-statefulset">&#x4F7F;&#x7528; StatefulSet</h2>
<p>StatefulSet &#x9002;&#x7528;&#x4E8E;&#x6709;&#x4EE5;&#x4E0B;&#x67D0;&#x4E2A;&#x6216;&#x591A;&#x4E2A;&#x9700;&#x6C42;&#x7684;&#x5E94;&#x7528;&#xFF1A;</p>
<ul>
<li>&#x7A33;&#x5B9A;&#xFF0C;&#x552F;&#x4E00;&#x7684;&#x7F51;&#x7EDC;&#x6807;&#x5FD7;&#x3002;</li>
<li>&#x7A33;&#x5B9A;&#xFF0C;&#x6301;&#x4E45;&#x5316;&#x5B58;&#x50A8;&#x3002;</li>
<li>&#x6709;&#x5E8F;&#xFF0C;&#x4F18;&#x96C5;&#x5730;&#x90E8;&#x7F72;&#x548C; scale&#x3002;</li>
<li>&#x6709;&#x5E8F;&#xFF0C;&#x4F18;&#x96C5;&#x5730;&#x5220;&#x9664;&#x548C;&#x7EC8;&#x6B62;&#x3002;</li>
<li>&#x6709;&#x5E8F;&#xFF0C;&#x81EA;&#x52A8;&#x7684;&#x6EDA;&#x52A8;&#x5347;&#x7EA7;&#x3002;</li>
</ul>
<p>&#x5728;&#x4E0A;&#x6587;&#x4E2D;&#xFF0C;&#x7A33;&#x5B9A;&#x662F; Pod &#xFF08;&#x91CD;&#x65B0;&#xFF09;&#x8C03;&#x5EA6;&#x4E2D;&#x6301;&#x4E45;&#x6027;&#x7684;&#x4EE3;&#x540D;&#x8BCD;&#x3002; &#x5982;&#x679C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4E0D;&#x9700;&#x8981;&#x4EFB;&#x4F55;&#x7A33;&#x5B9A;&#x7684;&#x6807;&#x8BC6;&#x7B26;&#x3001;&#x6709;&#x5E8F;&#x90E8;&#x7F72;&#x3001;&#x5220;&#x9664;&#x548C; scale&#xFF0C;&#x5219;&#x5E94;&#x8BE5;&#x4F7F;&#x7528;&#x63D0;&#x4F9B;&#x4E00;&#x7EC4;&#x65E0;&#x72B6;&#x6001;&#x526F;&#x672C;&#x7684; controller &#x6765;&#x90E8;&#x7F72;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#xFF0C;&#x4F8B;&#x5982; <a href="https://kubernetes.io/docs/concepts/workloads/controllers/deployment" target="_blank">Deployment</a> &#x6216; <a href="https://kubernetes.io/docs/concepts/workloads/controllers/replicaset" target="_blank">ReplicaSet</a> &#x53EF;&#x80FD;&#x66F4;&#x9002;&#x5408;&#x60A8;&#x7684;&#x65E0;&#x72B6;&#x6001;&#x9700;&#x6C42;&#x3002;</p>
<h2 id="&#x9650;&#x5236;">&#x9650;&#x5236;</h2>
<ul>
<li>StatefulSet &#x662F; beta &#x8D44;&#x6E90;&#xFF0C;Kubernetes 1.5 &#x4EE5;&#x524D;&#x7248;&#x672C;&#x4E0D;&#x652F;&#x6301;&#x3002;</li>
<li>&#x5BF9;&#x4E8E;&#x6240;&#x6709;&#x7684; alpha/beta &#x7684;&#x8D44;&#x6E90;&#xFF0C;&#x60A8;&#x90FD;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5728; apiserver &#x4E2D;&#x8BBE;&#x7F6E; <code>--runtime-config</code> &#x9009;&#x9879;&#x6765;&#x7981;&#x7528;&#x3002;</li>
<li>&#x7ED9;&#x5B9A; Pod &#x7684;&#x5B58;&#x50A8;&#x5FC5;&#x987B;&#x7531; PersistentVolume Provisioner &#x6839;&#x636E;&#x8BF7;&#x6C42;&#x7684; <code>storage class</code> &#x8FDB;&#x884C;&#x914D;&#x7F6E;&#xFF0C;&#x6216;&#x7531;&#x7BA1;&#x7406;&#x5458;&#x9884;&#x5148;&#x914D;&#x7F6E;&#x3002;</li>
<li>&#x5220;&#x9664;&#x6216; scale StatefulSet &#x5C06;<em>&#x4E0D;&#x4F1A;</em>&#x5220;&#x9664;&#x4E0E; StatefulSet &#x76F8;&#x5173;&#x8054;&#x7684; volume&#x3002; &#x8FD9;&#x6837;&#x505A;&#x662F;&#x4E3A;&#x4E86;&#x786E;&#x4FDD;&#x6570;&#x636E;&#x5B89;&#x5168;&#x6027;&#xFF0C;&#x8FD9;&#x901A;&#x5E38;&#x6BD4;&#x81EA;&#x52A8;&#x6E05;&#x9664;&#x6240;&#x6709;&#x76F8;&#x5173; StatefulSet &#x8D44;&#x6E90;&#x66F4;&#x6709;&#x4EF7;&#x503C;&#x3002;</li>
<li>StatefulSets &#x76EE;&#x524D;&#x8981;&#x6C42; <a href="https://kubernetes.io/docs/concepts/services-networking/service/#headless-services" target="_blank">Headless Service</a> &#x8D1F;&#x8D23; Pod &#x7684;&#x7F51;&#x7EDC;&#x8EAB;&#x4EFD;&#x3002; &#x60A8;&#x6709;&#x8D23;&#x4EFB;&#x521B;&#x5EFA;&#x6B64;&#x670D;&#x52A1;&#x3002;</li>
</ul>
<h2 id="&#x7EC4;&#x4EF6;">&#x7EC4;&#x4EF6;</h2>
<p>&#x4E0B;&#x9762;&#x7684;&#x793A;&#x4F8B;&#x4E2D;&#x63CF;&#x8FF0;&#x4E86; StatefulSet &#x4E2D;&#x7684;&#x7EC4;&#x4EF6;&#x3002;</p>
<ul>
<li>&#x4E00;&#x4E2A;&#x540D;&#x4E3A; nginx &#x7684; headless service&#xFF0C;&#x7528;&#x4E8E;&#x63A7;&#x5236;&#x7F51;&#x7EDC;&#x57DF;&#x3002;</li>
<li>&#x4E00;&#x4E2A;&#x540D;&#x4E3A; web &#x7684; StatefulSet&#xFF0C;&#x5B83;&#x7684; Spec &#x4E2D;&#x6307;&#x5B9A;&#x5728;&#x6709; 3 &#x4E2A;&#x8FD0;&#x884C; nginx &#x5BB9;&#x5668;&#x7684; Pod&#x3002;</li>
<li>volumeClaimTemplates &#x4F7F;&#x7528; PersistentVolume Provisioner &#x63D0;&#x4F9B;&#x7684; <a href="https://kubernetes.io/docs/concepts/storage/volumes" target="_blank">PersistentVolumes</a> &#x4F5C;&#x4E3A;&#x7A33;&#x5B9A;&#x5B58;&#x50A8;&#x3002;</li>
</ul>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Service
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">clusterIP</span><span class="token punctuation">:</span> None
<span class="token key atrule">selector</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apps/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> StatefulSet
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">serviceName</span><span class="token punctuation">:</span> <span class="token string">&quot;nginx&quot;</span>
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">3</span>
<span class="token key atrule">template</span><span class="token punctuation">:</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">terminationGracePeriodSeconds</span><span class="token punctuation">:</span> <span class="token number">10</span>
<span class="token key atrule">containers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">image</span><span class="token punctuation">:</span> gcr.io/google_containers/nginx<span class="token punctuation">-</span>slim<span class="token punctuation">:</span><span class="token number">0.8</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">volumeMounts</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> www
<span class="token key atrule">mountPath</span><span class="token punctuation">:</span> /usr/share/nginx/html
<span class="token key atrule">volumeClaimTemplates</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> www
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">volume.beta.kubernetes.io/storage-class</span><span class="token punctuation">:</span> anything
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">accessModes</span><span class="token punctuation">:</span> <span class="token punctuation">[</span> <span class="token string">&quot;ReadWriteOnce&quot;</span> <span class="token punctuation">]</span>
<span class="token key atrule">resources</span><span class="token punctuation">:</span>
<span class="token key atrule">requests</span><span class="token punctuation">:</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> 1Gi
</code></pre>
<h2 id="pod-&#x8EAB;&#x4EFD;">Pod &#x8EAB;&#x4EFD;</h2>
<p>StatefulSet Pod &#x5177;&#x6709;&#x552F;&#x4E00;&#x7684;&#x8EAB;&#x4EFD;&#xFF0C;&#x5305;&#x62EC;&#x5E8F;&#x6570;&#xFF0C;&#x7A33;&#x5B9A;&#x7684;&#x7F51;&#x7EDC;&#x8EAB;&#x4EFD;&#x548C;&#x7A33;&#x5B9A;&#x7684;&#x5B58;&#x50A8;&#x3002; &#x8EAB;&#x4EFD;&#x7ED1;&#x5B9A;&#x5230; Pod &#x4E0A;&#xFF0C;&#x4E0D;&#x7BA1;&#x5B83;&#xFF08;&#x91CD;&#x65B0;&#xFF09;&#x8C03;&#x5EA6;&#x5230;&#x54EA;&#x4E2A;&#x8282;&#x70B9;&#x4E0A;&#x3002;</p>
<h3 id="&#x5E8F;&#x6570;">&#x5E8F;&#x6570;</h3>
<p>&#x5BF9;&#x4E8E;&#x4E00;&#x4E2A;&#x6709; N &#x4E2A;&#x526F;&#x672C;&#x7684; StatefulSet&#xFF0C;&#x6BCF;&#x4E2A;&#x526F;&#x672C;&#x90FD;&#x4F1A;&#x88AB;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x6574;&#x6570;&#x5E8F;&#x6570;&#xFF0C;&#x5728; [0,N)&#x4E4B;&#x95F4;&#xFF0C;&#x4E14;&#x552F;&#x4E00;&#x3002;</p>
<h2 id="&#x7A33;&#x5B9A;&#x7684;&#x7F51;&#x7EDC;-id">&#x7A33;&#x5B9A;&#x7684;&#x7F51;&#x7EDC; ID</h2>
<p>StatefulSet &#x4E2D;&#x7684;&#x6BCF;&#x4E2A; Pod &#x4ECE; StatefulSet &#x7684;&#x540D;&#x79F0;&#x548C; Pod &#x7684;&#x5E8F;&#x6570;&#x6D3E;&#x751F;&#x5176;&#x4E3B;&#x673A;&#x540D;&#x3002;&#x6784;&#x9020;&#x7684;&#x4E3B;&#x673A;&#x540D;&#x7684;&#x6A21;&#x5F0F;&#x662F;<code>$&#xFF08;statefulset&#x540D;&#x79F0;)-$(&#x5E8F;&#x6570;)</code>&#x3002; &#x4E0A;&#x9762;&#x7684;&#x4F8B;&#x5B50;&#x5C06;&#x521B;&#x5EFA;&#x4E09;&#x4E2A;&#x540D;&#x4E3A;<code>web-0&#xFF0C;web-1&#xFF0C;web-2</code>&#x7684; Pod&#x3002;</p>
<p>StatefulSet &#x53EF;&#x4EE5;&#x4F7F;&#x7528; <a href="https://kubernetes.io/docs/concepts/services-networking/service/#headless-services" target="_blank">Headless Service</a> &#x6765;&#x63A7;&#x5236;&#x5176; Pod &#x7684;&#x57DF;&#x3002;&#x6B64;&#x670D;&#x52A1;&#x7BA1;&#x7406;&#x7684;&#x57DF;&#x7684;&#x683C;&#x5F0F;&#x4E3A;&#xFF1A;<code>$(&#x670D;&#x52A1;&#x540D;&#x79F0;).$(namespace).svc.cluster.local</code>&#xFF0C;&#x5176;&#x4E2D; &#x201C;cluster.local&#x201D; &#x662F;&#x96C6;&#x7FA4;&#x57DF;&#x3002;</p>
<p>&#x5728;&#x521B;&#x5EFA;&#x6BCF;&#x4E2A;Pod&#x65F6;&#xFF0C;&#x5B83;&#x5C06;&#x83B7;&#x53D6;&#x4E00;&#x4E2A;&#x5339;&#x914D;&#x7684; DNS &#x5B50;&#x57DF;&#xFF0C;&#x91C7;&#x7528;&#x4EE5;&#x4E0B;&#x5F62;&#x5F0F;&#xFF1A;<code>$(pod &#x540D;&#x79F0;).$(&#x7BA1;&#x7406;&#x670D;&#x52A1;&#x57DF;)</code>&#xFF0C;&#x5176;&#x4E2D;&#x7BA1;&#x7406;&#x670D;&#x52A1;&#x7531; StatefulSet &#x4E0A;&#x7684; <code>serviceName</code> &#x5B57;&#x6BB5;&#x5B9A;&#x4E49;&#x3002;</p>
<p>&#x4EE5;&#x4E0B;&#x662F; Cluster Domain&#xFF0C;&#x670D;&#x52A1;&#x540D;&#x79F0;&#xFF0C;StatefulSet &#x540D;&#x79F0;&#x4EE5;&#x53CA;&#x5982;&#x4F55;&#x5F71;&#x54CD; StatefulSet &#x7684; Pod &#x7684; DNS &#x540D;&#x79F0;&#x7684;&#x4E00;&#x4E9B;&#x793A;&#x4F8B;&#x3002;</p>
<table>
<thead>
<tr>
<th>Cluster Domain</th>
<th>Service (ns/name)</th>
<th>StatefulSet (ns/name)</th>
<th>StatefulSet Domain</th>
<th>Pod DNS</th>
<th>Pod Hostname</th>
</tr>
</thead>
<tbody>
<tr>
<td>cluster.local</td>
<td>default/nginx</td>
<td>default/web</td>
<td>nginx.default.svc.cluster.local</td>
<td>web-{0..N-1}.nginx.default.svc.cluster.local</td>
<td>web-{0..N-1}</td>
</tr>
<tr>
<td>cluster.local</td>
<td>foo/nginx</td>
<td>foo/web</td>
<td>nginx.foo.svc.cluster.local</td>
<td>web-{0..N-1}.nginx.foo.svc.cluster.local</td>
<td>web-{0..N-1}</td>
</tr>
<tr>
<td>kube.local</td>
<td>foo/nginx</td>
<td>foo/web</td>
<td>nginx.foo.svc.kube.local</td>
<td>web-{0..N-1}.nginx.foo.svc.kube.local</td>
<td>web-{0..N-1}</td>
</tr>
</tbody>
</table>
<p>&#x6CE8;&#x610F; Cluster Domain &#x5C06;&#x88AB;&#x8BBE;&#x7F6E;&#x6210; <code>cluster.local</code> &#x9664;&#x975E;&#x8FDB;&#x884C;&#x4E86;&#x5176;&#x4ED6;&#x914D;&#x7F6E;&#x3002;</p>
<h3 id="&#x7A33;&#x5B9A;&#x5B58;&#x50A8;">&#x7A33;&#x5B9A;&#x5B58;&#x50A8;</h3>
<p>Kubernetes &#x4E3A;&#x6BCF;&#x4E2A; VolumeClaimTemplate &#x521B;&#x5EFA;&#x4E00;&#x4E2A; <a href="https://kubernetes.io/docs/concepts/storage/volumes" target="_blank">PersistentVolume</a>&#x3002;&#x4E0A;&#x9762;&#x7684; nginx &#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x6BCF;&#x4E2A; Pod &#x5C06;&#x5177;&#x6709;&#x4E00;&#x4E2A;&#x7531; <code>anything</code> &#x5B58;&#x50A8;&#x7C7B;&#x521B;&#x5EFA;&#x7684; 1 GB &#x5B58;&#x50A8;&#x7684; PersistentVolume&#x3002;&#x5F53;&#x8BE5; Pod &#xFF08;&#x91CD;&#x65B0;&#xFF09;&#x8C03;&#x5EA6;&#x5230;&#x8282;&#x70B9;&#x4E0A;&#xFF0C;<code>volumeMounts</code> &#x5C06;&#x6302;&#x8F7D;&#x4E0E; PersistentVolume Claim &#x76F8;&#x5173;&#x8054;&#x7684; PersistentVolume&#x3002;&#x8BF7;&#x6CE8;&#x610F;&#xFF0C;&#x4E0E; PersistentVolume Claim &#x76F8;&#x5173;&#x8054;&#x7684; PersistentVolume &#x5728; &#x4EA7;&#x51FA; Pod &#x6216; StatefulSet &#x7684;&#x65F6;&#x5019;&#x4E0D;&#x4F1A;&#x88AB;&#x5220;&#x9664;&#x3002;&#x8FD9;&#x5FC5;&#x987B;&#x624B;&#x52A8;&#x5B8C;&#x6210;&#x3002;</p>
<h2 id="&#x90E8;&#x7F72;&#x548C;-scale-&#x4FDD;&#x8BC1;">&#x90E8;&#x7F72;&#x548C; Scale &#x4FDD;&#x8BC1;</h2>
<ul>
<li>&#x5BF9;&#x4E8E;&#x6709; N &#x4E2A;&#x526F;&#x672C;&#x7684; StatefulSet&#xFF0C;Pod &#x5C06;&#x6309;&#x7167; {0..N-1} &#x7684;&#x987A;&#x5E8F;&#x88AB;&#x521B;&#x5EFA;&#x548C;&#x90E8;&#x7F72;&#x3002;</li>
<li>&#x5F53; &#x5220;&#x9664; Pod &#x7684;&#x65F6;&#x5019;&#xFF0C;&#x5C06;&#x6309;&#x7167;&#x9006;&#x5E8F;&#x6765;&#x7EC8;&#x7ED3;&#xFF0C;&#x4ECE;{N-1..0}</li>
<li>&#x5BF9; Pod &#x6267;&#x884C; scale &#x64CD;&#x4F5C;&#x4E4B;&#x524D;&#xFF0C;&#x5B83;&#x6240;&#x6709;&#x7684;&#x524D;&#x4EFB;&#x5FC5;&#x987B;&#x5904;&#x4E8E; Running &#x548C; Ready &#x72B6;&#x6001;&#x3002;</li>
<li>&#x5728;&#x7EC8;&#x6B62; Pod &#x524D;&#xFF0C;&#x5B83;&#x6240;&#x6709;&#x7684;&#x7EE7;&#x4EFB;&#x8005;&#x5FC5;&#x987B;&#x5904;&#x4E8E;&#x5B8C;&#x5168;&#x5173;&#x95ED;&#x72B6;&#x6001;&#x3002;</li>
</ul>
<p>&#x4E0D;&#x5E94;&#x8BE5;&#x5C06; StatefulSet &#x7684; <code>pod.Spec.TerminationGracePeriodSeconds</code> &#x8BBE;&#x7F6E;&#x4E3A; 0&#x3002;&#x8FD9;&#x6837;&#x662F;&#x4E0D;&#x5B89;&#x5168;&#x7684;&#x4E14;&#x5F3A;&#x70C8;&#x4E0D;&#x5EFA;&#x8BAE;&#x60A8;&#x8FD9;&#x6837;&#x505A;&#x3002;&#x8FDB;&#x4E00;&#x6B65;&#x89E3;&#x91CA;&#xFF0C;&#x8BF7;&#x53C2;&#x9605; <a href="https://kubernetes.io/docs/tasks/run-application/force-delete-stateful-set-pod" target="_blank">&#x5F3A;&#x5236;&#x5220;&#x9664; StatefulSet Pod</a>&#x3002;</p>
<p>&#x4E0A;&#x9762;&#x7684; nginx &#x793A;&#x4F8B;&#x521B;&#x5EFA;&#x540E;&#xFF0C;3 &#x4E2A; Pod &#x5C06;&#x6309;&#x7167;&#x5982;&#x4E0B;&#x987A;&#x5E8F;&#x521B;&#x5EFA; web-0&#xFF0C;web-1&#xFF0C;web-2&#x3002;&#x5728; web-0 &#x5904;&#x4E8E; <a href="https://kubernetes.io/docs/user-guide/pod-states" target="_blank">&#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;</a> &#x72B6;&#x6001;&#x4E4B;&#x524D;&#xFF0C;web-1 &#x5C06;&#x4E0D;&#x4F1A;&#x88AB;&#x90E8;&#x7F72;&#xFF0C;&#x540C;&#x6837;&#x5F53; web-1 &#x5904;&#x4E8E;&#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#x4E4B;&#x524D; web-2&#x4E5F;&#x4E0D;&#x4F1A;&#x88AB;&#x90E8;&#x7F72;&#x3002;&#x5982;&#x679C;&#x5728; web-1 &#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;&#x540E;&#xFF0C;web-2 &#x542F;&#x52A8;&#x4E4B;&#x524D;&#xFF0C; web-0 &#x5931;&#x8D25;&#x4E86;&#xFF0C;web-2 &#x5C06;&#x4E0D;&#x4F1A;&#x542F;&#x52A8;&#xFF0C;&#x76F4;&#x5230; web-0 &#x6210;&#x529F;&#x91CD;&#x542F;&#x5E76;&#x5904;&#x4E8E;&#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#x3002;</p>
<p>&#x5982;&#x679C;&#x7528;&#x6237;&#x901A;&#x8FC7;&#x4FEE;&#x8865; StatefulSet &#x6765; scale &#x90E8;&#x7F72;&#x7684;&#x793A;&#x4F8B;&#xFF0C;&#x4EE5;&#x4F7F; <code>replicas=1</code>&#xFF0C;&#x5219; web-2 &#x5C06;&#x9996;&#x5148;&#x88AB;&#x7EC8;&#x6B62;&#x3002; &#x5728; web-2 &#x5B8C;&#x5168;&#x5173;&#x95ED;&#x548C;&#x5220;&#x9664;&#x4E4B;&#x524D;&#xFF0C;web-1 &#x4E0D;&#x4F1A;&#x88AB;&#x7EC8;&#x6B62;&#x3002; &#x5982;&#x679C; web-0 &#x5728; web-2 &#x7EC8;&#x6B62;&#x5E76;&#x4E14;&#x5B8C;&#x5168;&#x5173;&#x95ED;&#x4E4B;&#x540E;&#xFF0C;&#x4F46;&#x662F;&#x5728; web-1 &#x7EC8;&#x6B62;&#x4E4B;&#x524D;&#x5931;&#x8D25;&#xFF0C;&#x5219; web-1 &#x5C06;&#x4E0D;&#x4F1A;&#x7EC8;&#x6B62;&#xFF0C;&#x9664;&#x975E; web-0 &#x6B63;&#x5728;&#x8FD0;&#x884C;&#x5E76;&#x51C6;&#x5907;&#x5C31;&#x7EEA;&#x3002;</p>
<h3 id="pod-&#x7BA1;&#x7406;&#x7B56;&#x7565;">Pod &#x7BA1;&#x7406;&#x7B56;&#x7565;</h3>
<p>&#x5728; Kubernetes 1.7 &#x548C;&#x4E4B;&#x540E;&#x7248;&#x672C;&#xFF0C;StatefulSet &#x5141;&#x8BB8;&#x60A8;&#x653E;&#x5F00;&#x987A;&#x5E8F;&#x4FDD;&#x8BC1;&#xFF0C;&#x540C;&#x65F6;&#x901A;&#x8FC7; <code>.spec.podManagementPolicy</code> &#x5B57;&#x6BB5;&#x4FDD;&#x8BC1;&#x8EAB;&#x4EFD;&#x7684;&#x552F;&#x4E00;&#x6027;&#x3002;</p>
<h4 id="orderedready-pod-&#x7BA1;&#x7406;">OrderedReady Pod &#x7BA1;&#x7406;</h4>
<p>StatefulSet &#x4E2D;&#x9ED8;&#x8BA4;&#x4F7F;&#x7528;&#x7684;&#x662F; <code>OrderedReady</code> pod &#x7BA1;&#x7406;&#x3002;&#x5B83;&#x5B9E;&#x73B0;&#x4E86; <a href="https://kubernetes.io/docs/concepts/workloads/controllers/statefulset.md#deployment-and-scaling-guarantees" target="_blank">&#x5982;&#x4E0A;</a> &#x6240;&#x8FF0;&#x7684;&#x884C;&#x4E3A;&#x3002;</p>
<h4 id="&#x5E76;&#x884C;-pod-&#x7BA1;&#x7406;">&#x5E76;&#x884C; Pod &#x7BA1;&#x7406;</h4>
<p><code>Parallel</code> pod &#x7BA1;&#x7406;&#x544A;&#x8BC9; StatefulSet controller &#x5E76;&#x884C;&#x7684;&#x542F;&#x52A8;&#x548C;&#x7EC8;&#x6B62; Pod&#xFF0C;&#x5728;&#x542F;&#x52A8;&#x548C;&#x7EC8;&#x6B62;&#x5176;&#x4ED6; Pod &#x4E4B;&#x524D;&#x4E0D;&#x4F1A;&#x7B49;&#x5F85; Pod &#x53D8;&#x6210; &#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;&#x6216;&#x5B8C;&#x5168;&#x7EC8;&#x6B62;&#x72B6;&#x6001;&#x3002;</p>
<h2 id="&#x66F4;&#x65B0;&#x7B56;&#x7565;">&#x66F4;&#x65B0;&#x7B56;&#x7565;</h2>
<p>&#x5728; kubernetes 1.7 &#x548C;&#x4EE5;&#x4E0A;&#x7248;&#x672C;&#x4E2D;&#xFF0C;StatefulSet &#x7684; <code>.spec.updateStrategy</code> &#x5B57;&#x6BB5;&#x5141;&#x8BB8;&#x60A8;&#x914D;&#x7F6E;&#x548C;&#x7981;&#x7528; StatefulSet &#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x3001;label&#x3001;resource request/limit&#x3001;annotation &#x7684;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;&#x3002;</p>
<h3 id="&#x5220;&#x9664;">&#x5220;&#x9664;</h3>
<p><code>OnDelete</code> &#x66F4;&#x65B0;&#x7B56;&#x7565;&#x5B9E;&#x73B0;&#x4E86;&#x9057;&#x7559;&#xFF08;1.6&#x548C;&#x4EE5;&#x524D;&#xFF09;&#x7684;&#x884C;&#x4E3A;&#x3002; &#x5F53; <code>spec.updateStrategy</code> &#x672A;&#x6307;&#x5B9A;&#x65F6;&#xFF0C;&#x8FD9;&#x662F;&#x9ED8;&#x8BA4;&#x7B56;&#x7565;&#x3002; &#x5F53;StatefulSet &#x7684; <code>.spec.updateStrategy.type</code> &#x8BBE;&#x7F6E;&#x4E3A; <code>OnDelete</code> &#x65F6;&#xFF0C;StatefulSet &#x63A7;&#x5236;&#x5668;&#x5C06;&#x4E0D;&#x4F1A;&#x81EA;&#x52A8;&#x66F4;&#x65B0; <code>StatefulSet</code> &#x4E2D;&#x7684; Pod&#x3002; &#x7528;&#x6237;&#x5FC5;&#x987B;&#x624B;&#x52A8;&#x5220;&#x9664; Pod &#x4EE5;&#x4F7F;&#x63A7;&#x5236;&#x5668;&#x521B;&#x5EFA;&#x65B0;&#x7684; Pod&#xFF0C;&#x4EE5;&#x53CD;&#x6620;&#x5BF9;StatefulSet&#x7684; <code>.spec.template</code> &#x8FDB;&#x884C;&#x7684;&#x4FEE;&#x6539;&#x3002;</p>
<h3 id="&#x6EDA;&#x52A8;&#x66F4;&#x65B0;">&#x6EDA;&#x52A8;&#x66F4;&#x65B0;</h3>
<p><code>RollingUpdate</code> &#x66F4;&#x65B0;&#x7B56;&#x7565;&#x5728; StatefulSet &#x4E2D;&#x5B9E;&#x73B0; Pod &#x7684;&#x81EA;&#x52A8;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;&#x3002; &#x5F53;StatefulSet&#x7684; <code>.spec.updateStrategy.type</code> &#x8BBE;&#x7F6E;&#x4E3A; <code>RollingUpdate</code> &#x65F6;&#xFF0C;StatefulSet &#x63A7;&#x5236;&#x5668;&#x5C06;&#x5728; StatefulSet &#x4E2D;&#x5220;&#x9664;&#x5E76;&#x91CD;&#x65B0;&#x521B;&#x5EFA;&#x6BCF;&#x4E2A; Pod&#x3002; &#x5B83;&#x5C06;&#x4EE5;&#x4E0E; Pod &#x7EC8;&#x6B62;&#x76F8;&#x540C;&#x7684;&#x987A;&#x5E8F;&#x8FDB;&#x884C;&#xFF08;&#x4ECE;&#x6700;&#x5927;&#x7684;&#x5E8F;&#x6570;&#x5230;&#x6700;&#x5C0F;&#x7684;&#x5E8F;&#x6570;&#xFF09;&#xFF0C;&#x6BCF;&#x6B21;&#x66F4;&#x65B0;&#x4E00;&#x4E2A; Pod&#x3002; &#x5728;&#x66F4;&#x65B0;&#x5176;&#x524D;&#x8EAB;&#x4E4B;&#x524D;&#xFF0C;&#x5B83;&#x5C06;&#x7B49;&#x5F85;&#x6B63;&#x5728;&#x66F4;&#x65B0;&#x7684; Pod &#x72B6;&#x6001;&#x53D8;&#x6210;&#x6B63;&#x5728;&#x8FD0;&#x884C;&#x5E76;&#x5C31;&#x7EEA;&#x3002;</p>
<h4 id="&#x5206;&#x533A;">&#x5206;&#x533A;</h4>
<p>&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x6307;&#x5B9A; <code>.spec.updateStrategy.rollingUpdate.partition</code> &#x6765;&#x5BF9; <code>RollingUpdate</code> &#x66F4;&#x65B0;&#x7B56;&#x7565;&#x8FDB;&#x884C;&#x5206;&#x533A;&#x3002;&#x5982;&#x679C;&#x6307;&#x5B9A;&#x4E86;&#x5206;&#x533A;&#xFF0C;&#x5219;&#x5F53; StatefulSet &#x7684; <code>.spec.template</code> &#x66F4;&#x65B0;&#x65F6;&#xFF0C;&#x5177;&#x6709;&#x5927;&#x4E8E;&#x6216;&#x7B49;&#x4E8E;&#x5206;&#x533A;&#x5E8F;&#x6570;&#x7684;&#x6240;&#x6709; Pod &#x5C06;&#x88AB;&#x66F4;&#x65B0;&#x3002;&#x5177;&#x6709;&#x5C0F;&#x4E8E;&#x5206;&#x533A;&#x7684;&#x5E8F;&#x6570;&#x7684;&#x6240;&#x6709; Pod &#x5C06;&#x4E0D;&#x4F1A;&#x88AB;&#x66F4;&#x65B0;&#xFF0C;&#x5373;&#x4F7F;&#x5220;&#x9664;&#x5B83;&#x4EEC;&#x4E5F;&#x5C06;&#x88AB;&#x91CD;&#x65B0;&#x521B;&#x5EFA;&#x3002;&#x5982;&#x679C; StatefulSet &#x7684; <code>.spec.updateStrategy.rollingUpdate.partition</code> &#x5927;&#x4E8E;&#x5176; <code>.spec.replicas</code>&#xFF0C;&#x5219;&#x5176; <code>.spec.template</code> &#x7684;&#x66F4;&#x65B0;&#x5C06;&#x4E0D;&#x4F1A;&#x4F20;&#x64AD;&#x5230; Pod&#x3002;</p>
<p>&#x5728;&#x5927;&#x591A;&#x6570;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x60A8;&#x4E0D;&#x9700;&#x8981;&#x4F7F;&#x7528;&#x5206;&#x533A;&#xFF0C;&#x4F46;&#x5982;&#x679C;&#x60A8;&#x60F3;&#x8981;&#x8FDB;&#x884C;&#x5206;&#x9636;&#x6BB5;&#x66F4;&#x65B0;&#xFF0C;&#x4F7F;&#x7528;&#x91D1;&#x4E1D;&#x96C0;&#x53D1;&#x5E03;&#x6216;&#x6267;&#x884C;&#x5206;&#x9636;&#x6BB5;&#x53D1;&#x5E03;&#xFF0C;&#x5B83;&#x4EEC;&#x5C06;&#x975E;&#x5E38;&#x6709;&#x7528;&#x3002;</p>
<h2 id="&#x7B80;&#x5355;&#x793A;&#x4F8B;">&#x7B80;&#x5355;&#x793A;&#x4F8B;</h2>
<p>&#x4EE5;&#x4E00;&#x4E2A;&#x7B80;&#x5355;&#x7684;nginx&#x670D;&#x52A1;<a href="https://github.com/rootsongjc/kubernetes-handbook/blob/master/manifests/test/web.yaml" target="_blank">web.yaml</a>&#x4E3A;&#x4F8B;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Service
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">clusterIP</span><span class="token punctuation">:</span> None
<span class="token key atrule">selector</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apps/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> StatefulSet
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">serviceName</span><span class="token punctuation">:</span> <span class="token string">&quot;nginx&quot;</span>
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">2</span>
<span class="token key atrule">template</span><span class="token punctuation">:</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">containers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">image</span><span class="token punctuation">:</span> gcr.io/google_containers/nginx<span class="token punctuation">-</span>slim<span class="token punctuation">:</span><span class="token number">0.8</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> web
<span class="token key atrule">volumeMounts</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> www
<span class="token key atrule">mountPath</span><span class="token punctuation">:</span> /usr/share/nginx/html
<span class="token key atrule">volumeClaimTemplates</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> www
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">volume.alpha.kubernetes.io/storage-class</span><span class="token punctuation">:</span> anything
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">accessModes</span><span class="token punctuation">:</span> <span class="token punctuation">[</span> <span class="token string">&quot;ReadWriteOnce&quot;</span> <span class="token punctuation">]</span>
<span class="token key atrule">resources</span><span class="token punctuation">:</span>
<span class="token key atrule">requests</span><span class="token punctuation">:</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> 1Gi
</code></pre>
<pre class="language-"><code class="lang-sh">$ kubectl create -f web.yaml
<span class="token function">service</span> <span class="token string">&quot;nginx&quot;</span> created
statefulset <span class="token string">&quot;web&quot;</span> created
<span class="token comment"># &#x67E5;&#x770B;&#x521B;&#x5EFA;&#x7684;headless service&#x548C;statefulset</span>
$ kubectl get <span class="token function">service</span> nginx
NAME CLUSTER-IP EXTERNAL-IP PORT<span class="token punctuation">(</span>S<span class="token punctuation">)</span> AGE
nginx None <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span> <span class="token number">80</span>/TCP 1m
$ kubectl get statefulset web
NAME DESIRED CURRENT AGE
web <span class="token number">2</span> <span class="token number">2</span> 2m
<span class="token comment"># &#x6839;&#x636E;volumeClaimTemplates&#x81EA;&#x52A8;&#x521B;&#x5EFA;PVC&#xFF08;&#x5728;GCE&#x4E2D;&#x4F1A;&#x81EA;&#x52A8;&#x521B;&#x5EFA;kubernetes.io/gce-pd&#x7C7B;&#x578B;&#x7684;volume&#xFF09;</span>
$ kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
www-web-0 Bound pvc-d064a004-d8d4-11e6-b521-42010a800002 1Gi RWO 16s
www-web-1 Bound pvc-d06a3946-d8d4-11e6-b521-42010a800002 1Gi RWO 16s
<span class="token comment"># &#x67E5;&#x770B;&#x521B;&#x5EFA;&#x7684;Pod&#xFF0C;&#x4ED6;&#x4EEC;&#x90FD;&#x662F;&#x6709;&#x5E8F;&#x7684;</span>
$ kubectl get pods -l <span class="token assign-left variable">app</span><span class="token operator">=</span>nginx
NAME READY STATUS RESTARTS AGE
web-0 <span class="token number">1</span>/1 Running <span class="token number">0</span> 5m
web-1 <span class="token number">1</span>/1 Running <span class="token number">0</span> 4m
<span class="token comment"># &#x4F7F;&#x7528;nslookup&#x67E5;&#x770B;&#x8FD9;&#x4E9B;Pod&#x7684;DNS</span>
$ kubectl run -i --tty --image busybox dns-test --restart<span class="token operator">=</span>Never --rm /bin/sh
/ <span class="token comment"># nslookup web-0.nginx</span>
Server: <span class="token number">10.0</span>.0.10
Address <span class="token number">1</span>: <span class="token number">10.0</span>.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx
Address <span class="token number">1</span>: <span class="token number">10.244</span>.2.10
/ <span class="token comment"># nslookup web-1.nginx</span>
Server: <span class="token number">10.0</span>.0.10
Address <span class="token number">1</span>: <span class="token number">10.0</span>.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-1.nginx
Address <span class="token number">1</span>: <span class="token number">10.244</span>.3.12
/ <span class="token comment"># nslookup web-0.nginx.default.svc.cluster.local</span>
Server: <span class="token number">10.0</span>.0.10
Address <span class="token number">1</span>: <span class="token number">10.0</span>.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx.default.svc.cluster.local
Address <span class="token number">1</span>: <span class="token number">10.244</span>.2.10
</code></pre>
<p>&#x8FD8;&#x53EF;&#x4EE5;&#x8FDB;&#x884C;&#x5176;&#x4ED6;&#x7684;&#x64CD;&#x4F5C;</p>
<pre class="language-"><code class="lang-sh"><span class="token comment"># &#x6269;&#x5BB9;</span>
$ kubectl scale statefulset web --replicas<span class="token operator">=</span><span class="token number">5</span>
<span class="token comment"># &#x7F29;&#x5BB9;</span>
$ kubectl patch statefulset web -p <span class="token string">&apos;{&quot;spec&quot;:{&quot;replicas&quot;:3}}&apos;</span>
<span class="token comment"># &#x955C;&#x50CF;&#x66F4;&#x65B0;&#xFF08;&#x76EE;&#x524D;&#x8FD8;&#x4E0D;&#x652F;&#x6301;&#x76F4;&#x63A5;&#x66F4;&#x65B0;image&#xFF0C;&#x9700;&#x8981;patch&#x6765;&#x95F4;&#x63A5;&#x5B9E;&#x73B0;&#xFF09;</span>
$ kubectl patch statefulset web --type<span class="token operator">=</span><span class="token string">&apos;json&apos;</span> -p<span class="token operator">=</span><span class="token string">&apos;[{&quot;op&quot;: &quot;replace&quot;, &quot;path&quot;: &quot;/spec/template/spec/containers/0/image&quot;, &quot;value&quot;:&quot;gcr.io/google_containers/nginx-slim:0.7&quot;}]&apos;</span>
<span class="token comment"># &#x5220;&#x9664;StatefulSet&#x548C;Headless Service</span>
$ kubectl delete statefulset web
$ kubectl delete <span class="token function">service</span> nginx
<span class="token comment"># StatefulSet&#x5220;&#x9664;&#x540E;PVC&#x8FD8;&#x4F1A;&#x4FDD;&#x7559;&#x7740;&#xFF0C;&#x6570;&#x636E;&#x4E0D;&#x518D;&#x4F7F;&#x7528;&#x7684;&#x8BDD;&#x4E5F;&#x9700;&#x8981;&#x5220;&#x9664;</span>
$ kubectl delete pvc www-web-0 www-web-1
</code></pre>
<h2 id="zookeeper">zookeeper</h2>
<p>&#x53E6;&#x5916;&#x4E00;&#x4E2A;&#x66F4;&#x80FD;&#x8BF4;&#x660E;StatefulSet&#x5F3A;&#x5927;&#x529F;&#x80FD;&#x7684;&#x793A;&#x4F8B;&#x4E3A;<a href="https://github.com/rootsongjc/kubernetes-handbook/blob/master/manifests/test/zookeeper.yaml" target="_blank">zookeeper.yaml</a>&#xFF0C;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4EC5;&#x4E3A;&#x8BB2;&#x89E3;&#xFF0C;&#x5B9E;&#x9645;&#x53EF;&#x7528;&#x7684;&#x914D;&#x7F6E;&#x8BF7;&#x4F7F;&#x7528; <a href="https://github.com/kubernetes/contrib/tree/master/statefulsets" target="_blank">https://github.com/kubernetes/contrib/tree/master/statefulsets</a> &#x4E2D;&#x7684;&#x914D;&#x7F6E;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Service
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>headless
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>headless
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">2888</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> server
<span class="token punctuation">-</span> <span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">3888</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> leader<span class="token punctuation">-</span>election
<span class="token key atrule">clusterIP</span><span class="token punctuation">:</span> None
<span class="token key atrule">selector</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> zk
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> ConfigMap
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">data</span><span class="token punctuation">:</span>
<span class="token key atrule">ensemble</span><span class="token punctuation">:</span> <span class="token string">&quot;zk-0;zk-1;zk-2&quot;</span>
<span class="token key atrule">jvm.heap</span><span class="token punctuation">:</span> <span class="token string">&quot;2G&quot;</span>
<span class="token key atrule">tick</span><span class="token punctuation">:</span> <span class="token string">&quot;2000&quot;</span>
<span class="token key atrule">init</span><span class="token punctuation">:</span> <span class="token string">&quot;10&quot;</span>
<span class="token key atrule">sync</span><span class="token punctuation">:</span> <span class="token string">&quot;5&quot;</span>
<span class="token key atrule">client.cnxns</span><span class="token punctuation">:</span> <span class="token string">&quot;60&quot;</span>
<span class="token key atrule">snap.retain</span><span class="token punctuation">:</span> <span class="token string">&quot;3&quot;</span>
<span class="token key atrule">purge.interval</span><span class="token punctuation">:</span> <span class="token string">&quot;1&quot;</span>
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> policy/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> PodDisruptionBudget
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>budget
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">selector</span><span class="token punctuation">:</span>
<span class="token key atrule">matchLabels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> zk
<span class="token key atrule">minAvailable</span><span class="token punctuation">:</span> <span class="token number">2</span>
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apps/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> StatefulSet
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">serviceName</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>headless
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">3</span>
<span class="token key atrule">template</span><span class="token punctuation">:</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">app</span><span class="token punctuation">:</span> zk
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">pod.alpha.kubernetes.io/initialized</span><span class="token punctuation">:</span> <span class="token string">&quot;true&quot;</span>
<span class="token key atrule">scheduler.alpha.kubernetes.io/affinity</span><span class="token punctuation">:</span> <span class="token punctuation">&gt;</span><span class="token scalar string">
{
&quot;podAntiAffinity&quot;: {
&quot;requiredDuringSchedulingRequiredDuringExecution&quot;: [{
&quot;labelSelector&quot;: {
&quot;matchExpressions&quot;: [{
&quot;key&quot;: &quot;app&quot;,
&quot;operator&quot;: &quot;In&quot;,
&quot;values&quot;: [&quot;zk-headless&quot;]
}]
},
&quot;topologyKey&quot;: &quot;kubernetes.io/hostname&quot;
}]
}
}</span>
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">containers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> k8szk
<span class="token key atrule">imagePullPolicy</span><span class="token punctuation">:</span> Always
<span class="token key atrule">image</span><span class="token punctuation">:</span> gcr.io/google_samples/k8szk<span class="token punctuation">:</span>v1
<span class="token key atrule">resources</span><span class="token punctuation">:</span>
<span class="token key atrule">requests</span><span class="token punctuation">:</span>
<span class="token key atrule">memory</span><span class="token punctuation">:</span> <span class="token string">&quot;4Gi&quot;</span>
<span class="token key atrule">cpu</span><span class="token punctuation">:</span> <span class="token string">&quot;1&quot;</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">2181</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> client
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">2888</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> server
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">3888</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> leader<span class="token punctuation">-</span>election
<span class="token key atrule">env</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_ENSEMBLE
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> ensemble
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_HEAP_SIZE
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> jvm.heap
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_TICK_TIME
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> tick
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_INIT_LIMIT
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> init
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_SYNC_LIMIT
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> tick
<span class="token punctuation">-</span> <span class="token key atrule">name</span> <span class="token punctuation">:</span> ZK_MAX_CLIENT_CNXNS
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> client.cnxns
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> ZK_SNAP_RETAIN_COUNT
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> snap.retain
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> ZK_PURGE_INTERVAL
<span class="token key atrule">valueFrom</span><span class="token punctuation">:</span>
<span class="token key atrule">configMapKeyRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> zk<span class="token punctuation">-</span>config
<span class="token key atrule">key</span><span class="token punctuation">:</span> purge.interval
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> ZK_CLIENT_PORT
<span class="token key atrule">value</span><span class="token punctuation">:</span> <span class="token string">&quot;2181&quot;</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> ZK_SERVER_PORT
<span class="token key atrule">value</span><span class="token punctuation">:</span> <span class="token string">&quot;2888&quot;</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> ZK_ELECTION_PORT
<span class="token key atrule">value</span><span class="token punctuation">:</span> <span class="token string">&quot;3888&quot;</span>
<span class="token key atrule">command</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> sh
<span class="token punctuation">-</span> <span class="token punctuation">-</span>c
<span class="token punctuation">-</span> zkGenConfig.sh <span class="token important">&amp;&amp;</span> zkServer.sh start<span class="token punctuation">-</span>foreground
<span class="token key atrule">readinessProbe</span><span class="token punctuation">:</span>
<span class="token key atrule">exec</span><span class="token punctuation">:</span>
<span class="token key atrule">command</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token string">&quot;zkOk.sh&quot;</span>
<span class="token key atrule">initialDelaySeconds</span><span class="token punctuation">:</span> <span class="token number">15</span>
<span class="token key atrule">timeoutSeconds</span><span class="token punctuation">:</span> <span class="token number">5</span>
<span class="token key atrule">livenessProbe</span><span class="token punctuation">:</span>
<span class="token key atrule">exec</span><span class="token punctuation">:</span>
<span class="token key atrule">command</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token string">&quot;zkOk.sh&quot;</span>
<span class="token key atrule">initialDelaySeconds</span><span class="token punctuation">:</span> <span class="token number">15</span>
<span class="token key atrule">timeoutSeconds</span><span class="token punctuation">:</span> <span class="token number">5</span>
<span class="token key atrule">volumeMounts</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> datadir
<span class="token key atrule">mountPath</span><span class="token punctuation">:</span> /var/lib/zookeeper
<span class="token key atrule">securityContext</span><span class="token punctuation">:</span>
<span class="token key atrule">runAsUser</span><span class="token punctuation">:</span> <span class="token number">1000</span>
<span class="token key atrule">fsGroup</span><span class="token punctuation">:</span> <span class="token number">1000</span>
<span class="token key atrule">volumeClaimTemplates</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> datadir
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">volume.alpha.kubernetes.io/storage-class</span><span class="token punctuation">:</span> anything
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">accessModes</span><span class="token punctuation">:</span> <span class="token punctuation">[</span> <span class="token string">&quot;ReadWriteOnce&quot;</span> <span class="token punctuation">]</span>
<span class="token key atrule">resources</span><span class="token punctuation">:</span>
<span class="token key atrule">requests</span><span class="token punctuation">:</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> 20Gi
</code></pre>
<pre class="language-"><code class="lang-sh">kubectl create -f zookeeper.yaml
</code></pre>
<p>&#x8BE6;&#x7EC6;&#x7684;&#x4F7F;&#x7528;&#x8BF4;&#x660E;&#x89C1;<a href="https://kubernetes.io/docs/tutorials/stateful-application/zookeeper/" target="_blank">zookeeper stateful application</a>&#x3002;</p>
<p>&#x5173;&#x4E8E;StatefulSet&#x7684;&#x66F4;&#x591A;&#x793A;&#x4F8B;&#x8BF7;&#x53C2;&#x9605; <a href="https://github.com/kubernetes/contrib/tree/master/statefulsets" target="_blank">github.com/kubernetes/contrib - statefulsets</a>&#xFF0C;&#x5176;&#x4E2D;&#x5305;&#x62EC;&#x4E86;zookeeper&#x548C;kafka&#x3002;</p>
<h2 id="&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x8BBF;&#x95EE;statefulset&#x7684;pod">&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x8BBF;&#x95EE;StatefulSet&#x7684;Pod</h2>
<p>&#x6211;&#x4EEC;&#x8BBE;&#x60F3;&#x4E00;&#x4E0B;&#x8FD9;&#x6837;&#x7684;&#x573A;&#x666F;&#xFF1A;&#x5728;kubernetes&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x8C03;&#x8BD5;StatefulSet&#x4E2D;&#x6709;&#x5E8F;&#x7684;Pod&#xFF0C;&#x90A3;&#x4E48;&#x5982;&#x4F55;&#x8BBF;&#x95EE;&#x8FD9;&#x4E9B;&#x7684;pod&#x5462;&#xFF1F;</p>
<p>&#x65B9;&#x6CD5;&#x662F;&#x4E3A;pod&#x8BBE;&#x7F6E;label&#xFF0C;&#x7136;&#x540E;&#x7528;<code>kubectl expose</code>&#x5C06;&#x5176;&#x4EE5;NodePort&#x7684;&#x65B9;&#x5F0F;&#x66B4;&#x9732;&#x5230;&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#xFF0C;&#x4EE5;&#x4E0A;&#x9762;&#x7684;zookeeper&#x7684;&#x4F8B;&#x5B50;&#x6765;&#x8BF4;&#x660E;&#xFF0C;&#x4E0B;&#x9762;&#x4F7F;&#x7528;&#x547D;&#x4EE4;&#x7684;&#x65B9;&#x5F0F;&#x6765;&#x66B4;&#x9732;&#x5176;&#x4E2D;&#x7684;&#x4E24;&#x4E2A;zookeeper&#x8282;&#x70B9;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x5199;&#x4E00;&#x4E2A;serivce&#x914D;&#x7F6E;yaml&#x6587;&#x4EF6;&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl label pod zk-0 <span class="token assign-left variable">zkInst</span><span class="token operator">=</span><span class="token number">0</span>
kubectl label pod zk-1 <span class="token assign-left variable">zkInst</span><span class="token operator">=</span><span class="token number">1</span>
kubectl expose po zk-0 --port<span class="token operator">=</span><span class="token number">2181</span> --target-port<span class="token operator">=</span><span class="token number">2181</span> --name<span class="token operator">=</span>zk-0 --selector<span class="token operator">=</span>zkInst<span class="token operator">=</span><span class="token number">0</span> --type<span class="token operator">=</span>NodePort
kubectl expose po zk-1 --port<span class="token operator">=</span><span class="token number">2181</span> --target-port<span class="token operator">=</span><span class="token number">2181</span> --name<span class="token operator">=</span>zk-1 --selector<span class="token operator">=</span>zkInst<span class="token operator">=</span><span class="token number">1</span> --type<span class="token operator">=</span>NodePort
</code></pre>
<p>&#x8FD9;&#x6837;&#x5728;kubernetes&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x5C31;&#x53EF;&#x4EE5;&#x6839;&#x636E;pod&#x6240;&#x5728;&#x7684;&#x4E3B;&#x673A;&#x6240;&#x6620;&#x5C04;&#x7684;&#x7AEF;&#x53E3;&#x6765;&#x8BBF;&#x95EE;&#x4E86;&#x3002;</p>
<p>&#x67E5;&#x770B;<code>zk-0</code>&#x8FD9;&#x4E2A;service&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x5982;&#x4E0B;&#x7ED3;&#x679C;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">NAME CLUSTER-IP EXTERNAL-IP PORT<span class="token punctuation">(</span>S<span class="token punctuation">)</span> AGE
zk-0 <span class="token number">10.254</span>.98.14 <span class="token operator">&lt;</span>nodes<span class="token operator">&gt;</span> <span class="token number">2181</span>:31693/TCP 5m
</code></pre>
<p>&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x5C31;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x6240;&#x6709;&#x7684;node&#x4E2D;&#x7684;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;IP:31693&#x6765;&#x8BBF;&#x95EE;&#x8FD9;&#x4E2A;zookeeper&#x5B9E;&#x4F8B;&#x3002;</p>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
<li><p><a href="https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/" target="_blank">https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/</a></p>
</li>
<li><p><a href="https://github.com/kubernetes/contrib/tree/master/statefulsets" target="_blank">kubernetes contrib - statefulsets</a> </p>
</li>
</ul>
<footer class="page-footer"><span class="copyright"><a href="https://mp.weixin.qq.com/s/vWlSdzz2MNdXRr0sd2-LFg" target="_blank">&#x52A0;&#x5165;&#x4E91;&#x539F;&#x751F;&#x793E;&#x533A;</a><p></p>Copyright &#xA9; 2017-2020 | Distributed under <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh" target="_blank">CC BY 4.0</a> | <a href="https://jimmysong.io" target="_blank">jimmysong.io</a> all right reserved&#xFF0C;powered by Gitbook</span><span class="footer-modification"> Updated at
2020-12-29 01:47:59
</span></footer>
</section>
</div>
<div class="search-results">
<div class="has-results">
<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
<ul class="search-results-list"></ul>
</div>
<div class="no-results">
<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
</div>
</div>
</div>
</div>
</div>
</div>
<a href="deployment.html" class="navigation navigation-prev " aria-label="Previous page: Deployment">
<i class="fa fa-angle-left"></i>
</a>
<a href="daemonset.html" class="navigation navigation-next " aria-label="Next page: DaemonSet">
<i class="fa fa-angle-right"></i>
</a>
</div>
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"StatefulSet","level":"3.6.2","depth":2,"next":{"title":"DaemonSet","level":"3.6.3","depth":2,"path":"concepts/daemonset.md","ref":"concepts/daemonset.md","articles":[]},"previous":{"title":"Deployment","level":"3.6.1","depth":2,"path":"concepts/deployment.md","ref":"concepts/deployment.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github","codesnippet","splitter","page-toc-button","image-captions","editlink","back-to-top-button","-lunr","-search","search-plus","github-buttons@2.1.0","favicon@^0.0.2","tbfed-pagefooter@^0.0.1","3-ba","theme-default","-highlight","prism","prism-themes","sitemap-general","lightbox","ga","alerts"],"styles":{"ebook":"styles/ebook.css","epub":"styles/epub.css","mobi":"styles/mobi.css","pdf":"styles/pdf.css","print":"styles/print.css","website":"styles/website.css"},"pluginsConfig":{"tbfed-pagefooter":{"copyright":"<a href=https://mp.weixin.qq.com/s/vWlSdzz2MNdXRr0sd2-LFg>加入云原生社区</a></p>Copyright © 2017-2020 | Distributed under <a href=https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh>CC BY 4.0</a> | <a href=https://jimmysong.io>jimmysong.io</a>","modify_label":" Updated at ","modify_format":"YYYY-MM-DD HH:mm:ss"},"prism":{"css":["prism-themes/themes/prism-ghcolors.css"]},"github":{"url":"https://github.com/rootsongjc/kubernetes-handbook"},"editlink":{"label":"编辑本页","multilingual":false,"base":"https://github.com/rootsongjc/kubernetes-handbook/blob/master/"},"splitter":{},"codesnippet":{},"sitemap-general":{"prefix":"https://jimmysong.io/kubernetes-handbook/"},"fontsettings":{"theme":"white","family":"sans","size":2},"favicon":{"shortcut":"favicon.ico","bookmark":"favicon.ico"},"lightbox":{"jquery":true,"sameUuid":false},"page-toc-button":{},"back-to-top-button":{},"prism-themes":{},"alerts":{},"github-buttons":{"repo":"rootsongjc/kubernetes-handbook","types":["star"],"size":"small"},"3-ba":{"configuration":"auto","token":"11f7d254cfa4e0ca44b175c66d379ecc"},"ga":{"configuration":"auto","token":"UA-93485976-1"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"showLevel":true,"styles":{"ebook":"styles/ebook.css","epub":"styles/epub.css","mobi":"styles/mobi.css","pdf":"styles/pdf.css","print":"styles/print.css","website":"styles/website.css"}},"search-plus":{},"image-captions":{"caption":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","variable_name":"_pictures"}},"theme":"default","author":"Jimmy Song宋净超","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{"_pictures":[{"backlink":"index.html#fig1.1.1","level":"1.1","list_caption":"Figure: Stargazers over time","alt":"Stargazers over time","nro":1,"url":"https://starcharts.herokuapp.com/rootsongjc/kubernetes-handbook.svg","index":1,"caption_template":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","label":"Stargazers over time","attributes":{},"skip":false,"key":"1.1.1"},{"backlink":"cloud-native/play-with-kubernetes.html#fig2.4.1","level":"2.4","list_caption":"Figure: Play with Kubernetes网页截图","alt":"Play with Kubernetes网页截图","nro":2,"url":"../images/play-with-kubernetes.jpg","index":1,"caption_template":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","label":"Play with Kubernetes网页截图","attributes":{},"skip":false,"key":"2.4.1"},{"backlink":"cloud-native/cloud-native-local-quick-start.html#fig2.5.1","level":"2.5","list_caption":"Figure: Kubernetes dashboard","alt":"Kubernetes dashboard","nro":3,"url":"https://github.com/rootsongjc/kubernetes-vagrant-centos-cluster/raw/master/images/dashboard-animation.gif","index":1,"caption_template":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","label":"Kubernetes dashboard","attributes":{},"skip":false
});
</script>
</div>
<script src="../gitbook/gitbook.js"></script>
<script src="../gitbook/theme.js"></script>
<script src="../gitbook/gitbook-plugin-github/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-splitter/splitter.js"></script>
<script src="../gitbook/gitbook-plugin-page-toc-button/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-editlink/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-back-to-top-button/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/jquery.mark.min.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/search.js"></script>
<script src="../gitbook/gitbook-plugin-github-buttons/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-3-ba/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-lightbox/js/lightbox.min.js"></script>
<script src="../gitbook/gitbook-plugin-ga/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-alerts/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-sharing/buttons.js"></script>
<script src="../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
</body>
</html>