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<a href="https://jimmysong.io" target="_blank" class="custom-link">Jimmy Song</a>
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<li class="header">前言</li>
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<b>1.1.</b>
序言
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<b>1.2.</b>
Kubernetes与云原生应用概览
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<li class="header">概念与原理</li>
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<b>2.1.</b>
Kubernetes架构
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</a>
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<li class="chapter " data-level="2.2" data-path="concepts.html">
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<b>2.2.</b>
设计理念
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<b>2.3.</b>
资源对象与基本概念解析
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<b>2.3.1.</b>
Pod
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<a href="pod.html">
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<b>2.3.1.1.</b>
Pod解析
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</a>
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<a href="init-containers.html">
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<b>2.3.1.2.</b>
Init容器
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<a href="pod-security-policy.html">
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<b>2.3.1.3.</b>
Pod安全策略
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<b>2.3.1.4.</b>
Pod的生命周期
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<b>2.3.2.</b>
Node
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<b>2.3.3.</b>
Namespace
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<b>2.3.4.</b>
Service
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<b>2.3.5.</b>
Volume和Persistent Volume
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<b>2.3.6.</b>
Deployment
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</a>
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<a href="secret.html">
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<b>2.3.7.</b>
Secret
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</a>
</li>
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<li class="chapter active" data-level="2.3.8" data-path="statefulset.html">
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<a href="statefulset.html">
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<b>2.3.8.</b>
StatefulSet
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</a>
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<li class="chapter " data-level="2.3.9" data-path="daemonset.html">
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<b>2.3.9.</b>
DaemonSet
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</a>
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<a href="serviceaccount.html">
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<b>2.3.10.</b>
ServiceAccount
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</a>
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<li class="chapter " data-level="2.3.11" data-path="replicaset.html">
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<a href="replicaset.html">
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<b>2.3.11.</b>
ReplicationController和ReplicaSet
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</a>
</li>
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<a href="job.html">
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<b>2.3.12.</b>
Job
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</a>
</li>
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<a href="cronjob.html">
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<b>2.3.13.</b>
CronJob
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</a>
</li>
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<li class="chapter " data-level="2.3.14" data-path="ingress.html">
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<b>2.3.14.</b>
Ingress
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</a>
</li>
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<li class="chapter " data-level="2.3.15" data-path="configmap.html">
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<a href="configmap.html">
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<b>2.3.15.</b>
ConfigMap
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</a>
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<ul class="articles">
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<li class="chapter " data-level="2.3.15.1" data-path="configmap-hot-update.html">
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<a href="configmap-hot-update.html">
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<b>2.3.15.1.</b>
ConfigMap的热更新
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</a>
</li>
</ul>
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</li>
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<li class="chapter " data-level="2.3.16" data-path="horizontal-pod-autoscaling.html">
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<a href="horizontal-pod-autoscaling.html">
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<b>2.3.16.</b>
Horizontal Pod Autoscaling
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</a>
</li>
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<li class="chapter " data-level="2.3.17" data-path="label.html">
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<a href="label.html">
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<b>2.3.17.</b>
Label
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</a>
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</li>
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<li class="chapter " data-level="2.3.18" data-path="garbage-collection.html">
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<a href="garbage-collection.html">
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<b>2.3.18.</b>
垃圾收集
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</a>
</li>
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<li class="chapter " data-level="2.3.19" data-path="network-policy.html">
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<a href="network-policy.html">
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<b>2.3.19.</b>
NetworkPolicy
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</a>
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</li>
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<li class="chapter " data-level="2.3.20" data-path="annotation.html">
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<a href="annotation.html">
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<b>2.3.20.</b>
Annotation
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</a>
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</li>
</ul>
</li>
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<li class="header">用户指南</li>
<li class="chapter " data-level="3.1" data-path="../guide/">
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<a href="../guide/">
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<b>3.1.</b>
用户指南
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</a>
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</li>
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2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.2" data-path="../guide/resource-configuration.html">
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<a href="../guide/resource-configuration.html">
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<b>3.2.</b>
资源对象配置
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
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<a href="../guide/configure-liveness-readiness-probes.html">
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<b>3.2.1.</b>
配置Pod的liveness和readiness探针
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</a>
</li>
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<li class="chapter " data-level="3.2.2" data-path="../guide/configure-pod-service-account.html">
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<a href="../guide/configure-pod-service-account.html">
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<b>3.2.2.</b>
配置Pod的Service Account
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</a>
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</li>
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<li class="chapter " data-level="3.2.3" data-path="../guide/secret-configuration.html">
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<a href="../guide/secret-configuration.html">
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<b>3.2.3.</b>
Secret配置
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</a>
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</li>
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<li class="chapter " data-level="3.2.4" data-path="../guide/resource-quota-management.html">
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<a href="../guide/resource-quota-management.html">
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<b>3.2.4.</b>
管理namespace中的资源配额
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</a>
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</li>
</ul>
</li>
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<li class="chapter " data-level="3.3" data-path="../guide/command-usage.html">
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<a href="../guide/command-usage.html">
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<b>3.3.</b>
命令使用
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.3.1" data-path="../guide/docker-cli-to-kubectl.html">
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<a href="../guide/docker-cli-to-kubectl.html">
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<b>3.3.1.</b>
docker用户过度到kubectl命令行指南
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</a>
</li>
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<li class="chapter " data-level="3.3.2" data-path="../guide/using-kubectl.html">
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<a href="../guide/using-kubectl.html">
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<b>3.3.2.</b>
kubectl命令概览
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</a>
</li>
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<li class="chapter " data-level="3.3.3" data-path="../guide/kubectl-cheatsheet.html">
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<a href="../guide/kubectl-cheatsheet.html">
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<b>3.3.3.</b>
kubectl命令技巧大全
</a>
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</li>
</ul>
</li>
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<li class="chapter " data-level="3.4" data-path="../guide/cluster-security-management.html">
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<a href="../guide/cluster-security-management.html">
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<b>3.4.</b>
集群安全性管理
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
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<a href="../guide/managing-tls-in-a-cluster.html">
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<b>3.4.1.</b>
管理集群中的TLS
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</a>
</li>
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<li class="chapter " data-level="3.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
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<b>3.4.2.</b>
kubelet的认证授权
</a>
</li>
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<li class="chapter " data-level="3.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
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<b>3.4.3.</b>
TLS bootstrap
</a>
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</li>
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<li class="chapter " data-level="3.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
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<a href="../guide/kubectl-user-authentication-authorization.html">
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<b>3.4.4.</b>
创建用户认证授权的kubeconfig文件
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</a>
</li>
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<li class="chapter " data-level="3.4.5" data-path="../guide/rbac.html">
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<a href="../guide/rbac.html">
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<b>3.4.5.</b>
RBAC——基于角色的访问控制
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</a>
2017-09-07 14:13:59 +08:00
</li>
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<li class="chapter " data-level="3.4.6" data-path="../guide/ip-masq-agent.html">
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<a href="../guide/ip-masq-agent.html">
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<b>3.4.6.</b>
IP伪装代理
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</a>
</li>
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<li class="chapter " data-level="3.4.7" data-path="../guide/auth-with-kubeconfig-or-token.html">
<a href="../guide/auth-with-kubeconfig-or-token.html">
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<b>3.4.7.</b>
使用kubeconfig或token进行用户身份认证
</a>
</li>
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<li class="chapter " data-level="3.4.8" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
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<b>3.4.8.</b>
kubernetes中的用户与身份认证授权
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
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<li class="chapter " data-level="3.5" data-path="../guide/access-kubernetes-cluster.html">
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<a href="../guide/access-kubernetes-cluster.html">
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<b>3.5.</b>
访问 Kubernetes 集群
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.5.1" data-path="../guide/access-cluster.html">
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<a href="../guide/access-cluster.html">
2017-11-15 21:18:59 +08:00
<b>3.5.1.</b>
访问集群
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</a>
</li>
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<li class="chapter " data-level="3.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
2017-08-21 17:44:43 +08:00
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
2017-11-15 21:18:59 +08:00
<b>3.5.2.</b>
使用 kubeconfig 文件配置跨集群认证
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
2017-08-21 17:44:43 +08:00
<a href="../guide/connecting-to-applications-port-forward.html">
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<b>3.5.3.</b>
通过端口转发访问集群中的应用程序
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</a>
</li>
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<li class="chapter " data-level="3.5.4" data-path="../guide/service-access-application-cluster.html">
2017-08-21 17:44:43 +08:00
<a href="../guide/service-access-application-cluster.html">
2017-11-15 21:18:59 +08:00
<b>3.5.4.</b>
使用 service 访问群集中的应用程序
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</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6" data-path="../guide/application-development-deployment-flow.html">
2017-08-21 17:44:43 +08:00
<a href="../guide/application-development-deployment-flow.html">
2017-11-15 21:18:59 +08:00
<b>3.6.</b>
在kubernetes中开发部署应用
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
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<a href="../guide/deploy-applications-in-kubernetes.html">
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<b>3.6.1.</b>
适用于kubernetes的应用开发部署流程
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
2017-11-15 21:18:59 +08:00
<b>3.6.2.</b>
迁移传统应用到kubernetes中——以Hadoop YARN为例
</a>
2017-10-23 13:40:58 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6.3" data-path="../guide/using-statefulset.html">
2017-10-23 13:40:58 +08:00
<a href="../guide/using-statefulset.html">
2017-11-15 21:18:59 +08:00
<b>3.6.3.</b>
使用StatefulSet部署用状态应用
2017-10-23 13:40:58 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
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<li class="header">最佳实践</li>
<li class="chapter " data-level="4.1" data-path="../practice/">
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<a href="../practice/">
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<b>4.1.</b>
最佳实践概览
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</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2" data-path="../practice/install-kbernetes1.6-on-centos.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/install-kbernetes1.6-on-centos.html">
2017-11-15 21:18:59 +08:00
<b>4.2.</b>
在CentOS上部署kubernetes1.6集群
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="4.2.1" data-path="../practice/create-tls-and-secret-key.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/create-tls-and-secret-key.html">
2017-11-15 21:18:59 +08:00
<b>4.2.1.</b>
创建TLS证书和秘钥
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.2" data-path="../practice/create-kubeconfig.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/create-kubeconfig.html">
2017-11-15 21:18:59 +08:00
<b>4.2.2.</b>
创建kubeconfig文件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.3" data-path="../practice/etcd-cluster-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/etcd-cluster-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.3.</b>
创建高可用etcd集群
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.4" data-path="../practice/kubectl-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/kubectl-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.4.</b>
安装kubectl命令行工具
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.5" data-path="../practice/master-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/master-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.5.</b>
部署master节点
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.6" data-path="../practice/node-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/node-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.6.</b>
部署node节点
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.7" data-path="../practice/kubedns-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/kubedns-addon-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.7.</b>
安装kubedns插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.8" data-path="../practice/dashboard-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/dashboard-addon-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.8.</b>
安装dashboard插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.9" data-path="../practice/heapster-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/heapster-addon-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.9.</b>
安装heapster插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.10" data-path="../practice/efk-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/efk-addon-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.10.</b>
安装EFK插件
2017-08-21 17:44:43 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3" data-path="../practice/service-discovery-and-loadbalancing.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/service-discovery-and-loadbalancing.html">
2017-11-15 21:18:59 +08:00
<b>4.3.</b>
服务发现与负载均衡
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.3.1" data-path="../practice/traefik-ingress-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/traefik-ingress-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.3.1.</b>
安装Traefik ingress
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.2" data-path="../practice/distributed-load-test.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/distributed-load-test.html">
2017-11-15 21:18:59 +08:00
<b>4.3.2.</b>
分布式负载测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.3" data-path="../practice/network-and-cluster-perfermance-test.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/network-and-cluster-perfermance-test.html">
2017-11-15 21:18:59 +08:00
<b>4.3.3.</b>
网络和集群性能测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.4" data-path="../practice/edge-node-configuration.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/edge-node-configuration.html">
2017-11-15 21:18:59 +08:00
<b>4.3.4.</b>
边缘节点配置
2017-08-21 17:44:43 +08:00
</a>
2017-10-27 19:09:01 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.5" data-path="../practice/nginx-ingress-installation.html">
2017-10-27 19:09:01 +08:00
<a href="../practice/nginx-ingress-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.3.5.</b>
安装Nginx ingress
2017-10-27 19:09:01 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4" data-path="../practice/operation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/operation.html">
2017-11-15 21:18:59 +08:00
<b>4.4.</b>
运维管理
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.4.1" data-path="../practice/service-rolling-update.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/service-rolling-update.html">
2017-11-15 21:18:59 +08:00
<b>4.4.1.</b>
服务滚动升级
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.2" data-path="../practice/app-log-collection.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/app-log-collection.html">
2017-11-15 21:18:59 +08:00
<b>4.4.2.</b>
应用日志收集
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.3" data-path="../practice/configuration-best-practice.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/configuration-best-practice.html">
2017-11-15 21:18:59 +08:00
<b>4.4.3.</b>
配置最佳实践
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.4" data-path="../practice/monitor.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/monitor.html">
2017-11-15 21:18:59 +08:00
<b>4.4.4.</b>
集群及应用监控
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.5" data-path="../practice/data-persistence-problem.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/data-persistence-problem.html">
2017-11-15 21:18:59 +08:00
<b>4.4.5.</b>
数据持久化问题
2017-08-21 17:44:43 +08:00
</a>
2017-09-03 15:58:39 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.6" data-path="../practice/manage-compute-resources-container.html">
2017-09-03 15:58:39 +08:00
<a href="../practice/manage-compute-resources-container.html">
2017-11-15 21:18:59 +08:00
<b>4.4.6.</b>
管理容器的计算资源
2017-09-03 15:58:39 +08:00
</a>
</li>
2017-11-09 10:55:38 +08:00
</ul>
2017-11-09 10:55:38 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5" data-path="../practice/storage.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/storage.html">
2017-11-15 21:18:59 +08:00
<b>4.5.</b>
存储管理
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.5.1" data-path="../practice/glusterfs.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/glusterfs.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.</b>
GlusterFS
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</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/using-glusterfs-for-persistent-storage.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.1.</b>
使用GlusterFS做持久化存储
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.2.</b>
在OpenShift中使用GlusterFS做持久化存储
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.2" data-path="../practice/cephfs.html">
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
<a href="../practice/cephfs.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>4.5.2.</b>
CephFS
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
<a href="../practice/using-ceph-for-persistent-storage.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>4.5.2.1.</b>
使用Ceph做持久化存储
2017-11-09 10:55:38 +08:00
</a>
</li>
</ul>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6" data-path="../practice/monitoring.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/monitoring.html">
2017-11-15 21:18:59 +08:00
<b>4.6.</b>
集群与应用监控
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.1" data-path="../practice/heapster.html">
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
<a href="../practice/heapster.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>4.6.1.</b>
Heapster
2017-08-21 17:44:43 +08:00
</a>
2017-11-09 10:55:38 +08:00
<ul class="articles">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
<a href="../practice/using-heapster-to-get-object-metrics.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>4.6.1.1.</b>
使用Heapster获取集群和对象的metric数据
2017-08-21 17:44:43 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.2" data-path="../practice/prometheus.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/prometheus.html">
2017-11-15 21:18:59 +08:00
<b>4.6.2.</b>
Prometheus
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
2017-11-15 21:18:59 +08:00
<b>4.6.2.1.</b>
使用Prometheus监控kubernetes集群
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
</ul>
2017-10-19 15:31:08 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.7" data-path="../practice/services-management-tool.html">
2017-10-19 15:31:08 +08:00
<a href="../practice/services-management-tool.html">
2017-11-15 21:18:59 +08:00
<b>4.7.</b>
服务编排管理
2017-10-19 15:31:08 +08:00
</a>
2017-10-20 16:22:43 +08:00
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.7.1" data-path="../practice/helm.html">
2017-10-20 16:22:43 +08:00
<a href="../practice/helm.html">
2017-11-15 21:18:59 +08:00
<b>4.7.1.</b>
使用Helm管理kubernetes应用
2017-10-20 16:22:43 +08:00
</a>
2017-10-27 11:59:37 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.7.2" data-path="../practice/create-private-charts-repo.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/create-private-charts-repo.html">
2017-11-15 21:18:59 +08:00
<b>4.7.2.</b>
构建私有Chart仓库
2017-10-27 11:59:37 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.8" data-path="../practice/ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/ci-cd.html">
2017-11-15 21:18:59 +08:00
<b>4.8.</b>
持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.8.1" data-path="../practice/jenkins-ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/jenkins-ci-cd.html">
2017-11-15 21:18:59 +08:00
<b>4.8.1.</b>
使用Jenkins进行持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.8.2" data-path="../practice/drone-ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/drone-ci-cd.html">
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<b>4.8.2.</b>
使用Drone进行持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
2017-11-02 16:33:01 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.9" data-path="../practice/update-and-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/update-and-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.</b>
更新与升级
2017-11-02 16:33:01 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="4.9.1" data-path="../practice/manually-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/manually-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.1.</b>
手动升级kubernetes集群
2017-11-02 16:33:01 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.9.2" data-path="../practice/dashboard-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/dashboard-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.2.</b>
升级dashboard
2017-11-02 16:33:01 +08:00
</a>
2017-10-20 16:22:43 +08:00
</li>
</ul>
2017-08-21 17:44:43 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="header">领域应用</li>
<li class="chapter " data-level="5.1" data-path="../usecases/">
2017-08-21 17:44:43 +08:00
<a href="../usecases/">
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<b>5.1.</b>
领域应用概览
2017-08-21 17:44:43 +08:00
</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.2" data-path="../usecases/microservices.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/microservices.html">
2017-11-15 21:18:59 +08:00
<b>5.2.</b>
微服务架构
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.2.1" data-path="../usecases/service-discovery-in-microservices.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-discovery-in-microservices.html">
2017-11-15 21:18:59 +08:00
<b>5.2.1.</b>
微服务中的服务发现
2017-09-20 21:55:19 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3" data-path="../usecases/service-mesh.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-mesh.html">
2017-11-15 21:18:59 +08:00
<b>5.3.</b>
Service Mesh 服务网格
2017-09-20 21:55:19 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1" data-path="../usecases/istio.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/istio.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.</b>
Istio
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.1" data-path="../usecases/istio-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/istio-installation.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.1.</b>
安装并试用Istio service mesh
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.2" data-path="../usecases/configuring-request-routing.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/configuring-request-routing.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.2.</b>
配置请求的路由规则
2017-08-21 17:44:43 +08:00
</a>
2017-11-07 23:57:26 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
2017-11-07 23:57:26 +08:00
<a href="../usecases/install-and-expand-istio-mesh.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.3.</b>
安装和拓展Istio service mesh
2017-11-07 23:57:26 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.4" data-path="../usecases/integrating-vms.html">
2017-11-07 23:57:26 +08:00
<a href="../usecases/integrating-vms.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.4.</b>
集成虚拟机
2017-11-07 23:57:26 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.2" data-path="../usecases/linkerd.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd.html">
2017-11-15 21:18:59 +08:00
<b>5.3.2.</b>
Linkerd
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.2.1" data-path="../usecases/linkerd-user-guide.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd-user-guide.html">
2017-11-15 21:18:59 +08:00
<b>5.3.2.1.</b>
Linkerd 使用指南
2017-08-21 17:44:43 +08:00
</a>
</li>
</ul>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4" data-path="../usecases/big-data.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/big-data.html">
2017-11-15 21:18:59 +08:00
<b>5.4.</b>
大数据
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
<a href="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>5.4.1.</b>
Spark standalone on Kubernetes
2017-08-21 17:44:43 +08:00
</a>
2017-08-31 14:23:44 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
2017-08-31 14:23:44 +08:00
2017-09-14 15:57:50 +08:00
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
2017-08-31 14:23:44 +08:00
2017-11-15 21:18:59 +08:00
<b>5.4.2.</b>
运行支持kubernetes原生调度的Spark程序
2017-08-31 14:23:44 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
2017-08-30 16:52:33 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.5" data-path="../usecases/serverless.html">
2017-08-30 16:52:33 +08:00
<a href="../usecases/serverless.html">
2017-11-15 21:18:59 +08:00
<b>5.5.</b>
Serverless架构
2017-08-30 16:52:33 +08:00
</a>
2017-10-27 19:09:01 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.6" data-path="../usecases/edge-computing.html">
2017-10-27 19:09:01 +08:00
<a href="../usecases/edge-computing.html">
2017-11-15 21:18:59 +08:00
<b>5.6.</b>
边缘计算
2017-10-27 19:09:01 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="header">开发指南</li>
<li class="chapter " data-level="6.1" data-path="../develop/">
2017-08-21 17:44:43 +08:00
<a href="../develop/">
2017-11-15 21:18:59 +08:00
<b>6.1.</b>
开发指南概览
2017-08-21 17:44:43 +08:00
</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="6.2" data-path="../develop/developing-environment.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/developing-environment.html">
2017-11-15 21:18:59 +08:00
<b>6.2.</b>
开发环境搭建
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="6.3" data-path="../develop/testing.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/testing.html">
2017-11-15 21:18:59 +08:00
<b>6.3.</b>
单元测试和集成测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="6.4" data-path="../develop/client-go-sample.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/client-go-sample.html">
2017-11-15 21:18:59 +08:00
<b>6.4.</b>
client-go示例
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="6.5" data-path="../develop/contribute.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/contribute.html">
2017-11-15 21:18:59 +08:00
<b>6.5.</b>
社区贡献
2017-08-21 17:44:43 +08:00
</a>
2017-10-23 19:09:41 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="6.6" data-path="../develop/minikube.html">
2017-10-23 19:09:41 +08:00
<a href="../develop/minikube.html">
2017-11-15 21:18:59 +08:00
<b>6.6.</b>
Minikube
2017-10-23 19:09:41 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="header">附录</li>
<li class="chapter " data-level="7.1" data-path="../appendix/">
2017-08-21 17:44:43 +08:00
<a href="../appendix/">
2017-11-15 21:18:59 +08:00
<b>7.1.</b>
附录说明
2017-08-21 17:44:43 +08:00
</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.2" data-path="../appendix/debug-kubernetes-services.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/debug-kubernetes-services.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.2.</b>
Kubernetes中的应用故障排查
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.3" data-path="../appendix/material-share.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/material-share.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.3.</b>
Kubernetes相关资讯和情报链接
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.4" data-path="../appendix/docker-best-practice.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/docker-best-practice.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.4.</b>
Docker最佳实践
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.5" data-path="../appendix/tricks.html">
2017-11-15 21:18:59 +08:00
<a href="../appendix/tricks.html">
2017-11-15 21:18:59 +08:00
<b>7.5.</b>
使用技巧
</a>
2017-10-18 14:16:55 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.6" data-path="../appendix/issues.html">
2017-10-18 14:16:55 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/issues.html">
2017-10-18 14:16:55 +08:00
2017-11-15 21:18:59 +08:00
<b>7.6.</b>
问题记录
2017-10-18 14:16:55 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
<li class="divider"></li>
<li>
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
2017-09-19 22:01:07 +08:00
本书使用 GitBook 发布
2017-08-21 17:44:43 +08:00
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2017-11-15 21:18:59 +08:00
<a href=".." >StatefulSet</a>
2017-08-21 17:44:43 +08:00
</h1>
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<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>
2017-10-19 15:31:08 +08:00
<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>
2017-08-21 17:44:43 +08:00
<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; <a href="http://releases.k8s.io/%7B%7Bpage.githubbranch%7D%7D/examples/persistent-volume-provisioning/README.md" target="_blank">PersistentVolume Provisioner</a> &#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><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Service
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> nginx
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - port:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr"> clusterIP:</span> None
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> apps/v1beta1
<span class="hljs-attr">kind:</span> StatefulSet
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> serviceName:</span> <span class="hljs-string">&quot;nginx&quot;</span>
<span class="hljs-attr"> replicas:</span> <span class="hljs-number">3</span>
<span class="hljs-attr"> template:</span>
<span class="hljs-attr"> metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> terminationGracePeriodSeconds:</span> <span class="hljs-number">10</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> nginx
<span class="hljs-attr"> image:</span> gcr.io/google_containers/nginx-slim:<span class="hljs-number">0.8</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr"> volumeMounts:</span>
<span class="hljs-attr"> - name:</span> www
<span class="hljs-attr"> mountPath:</span> /usr/share/nginx/html
<span class="hljs-attr"> volumeClaimTemplates:</span>
<span class="hljs-attr"> - metadata:</span>
<span class="hljs-attr"> name:</span> www
<span class="hljs-attr"> annotations:</span>
volume.beta.kubernetes.io/storage-class: anything
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> accessModes:</span> [ <span class="hljs-string">&quot;ReadWriteOnce&quot;</span> ]
<span class="hljs-attr"> resources:</span>
<span class="hljs-attr"> requests:</span>
<span class="hljs-attr"> storage:</span> <span class="hljs-number">1</span>Gi
</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; <a href="http://releases.k8s.io/%7B%7Bpage.githubbranch%7D%7D/cluster/addons/dns/README.md" target="_blank">&#x96C6;&#x7FA4;&#x57DF;</a>&#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; <a href="http://releases.k8s.io/%7B%7Bpage.githubbranch%7D%7D/cluster/addons/dns/README.md" target="_blank">&#x5176;&#x4ED6;&#x914D;&#x7F6E;</a>&#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;&#x679C;&#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>
2017-10-20 16:22:43 +08:00
<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>
2017-08-21 17:44:43 +08:00
<pre><code class="lang-yaml"><span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Service
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> nginx
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - port:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr"> clusterIP:</span> None
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> apps/v1beta1
<span class="hljs-attr">kind:</span> StatefulSet
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> serviceName:</span> <span class="hljs-string">&quot;nginx&quot;</span>
<span class="hljs-attr"> replicas:</span> <span class="hljs-number">2</span>
<span class="hljs-attr"> template:</span>
<span class="hljs-attr"> metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> nginx
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> nginx
<span class="hljs-attr"> image:</span> gcr.io/google_containers/nginx-slim:<span class="hljs-number">0.8</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> name:</span> web
<span class="hljs-attr"> volumeMounts:</span>
<span class="hljs-attr"> - name:</span> www
<span class="hljs-attr"> mountPath:</span> /usr/share/nginx/html
<span class="hljs-attr"> volumeClaimTemplates:</span>
<span class="hljs-attr"> - metadata:</span>
<span class="hljs-attr"> name:</span> www
<span class="hljs-attr"> annotations:</span>
volume.alpha.kubernetes.io/storage-class: anything
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> accessModes:</span> [ <span class="hljs-string">&quot;ReadWriteOnce&quot;</span> ]
<span class="hljs-attr"> resources:</span>
<span class="hljs-attr"> requests:</span>
<span class="hljs-attr"> storage:</span> <span class="hljs-number">1</span>Gi
</code></pre>
<pre><code class="lang-sh">$ kubectl create <span class="hljs-_">-f</span> web.yaml
service <span class="hljs-string">&quot;nginx&quot;</span> created
statefulset <span class="hljs-string">&quot;web&quot;</span> created
<span class="hljs-comment"># &#x67E5;&#x770B;&#x521B;&#x5EFA;&#x7684;headless service&#x548C;statefulset</span>
$ kubectl get service nginx
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
nginx None &lt;none&gt; 80/TCP 1m
$ kubectl get statefulset web
NAME DESIRED CURRENT AGE
web 2 2 2m
<span class="hljs-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<span class="hljs-_">-d</span>064a004<span class="hljs-_">-d</span>8d4-11e6-b521-42010a800002 1Gi RWO 16s
www-web-1 Bound pvc<span class="hljs-_">-d</span>06a3946<span class="hljs-_">-d</span>8d4-11e6-b521-42010a800002 1Gi RWO 16s
<span class="hljs-comment"># &#x67E5;&#x770B;&#x521B;&#x5EFA;&#x7684;Pod&#xFF0C;&#x4ED6;&#x4EEC;&#x90FD;&#x662F;&#x6709;&#x5E8F;&#x7684;</span>
$ kubectl get pods <span class="hljs-_">-l</span> app=nginx
NAME READY STATUS RESTARTS AGE
web-0 1/1 Running 0 5m
web-1 1/1 Running 0 4m
<span class="hljs-comment"># &#x4F7F;&#x7528;nslookup&#x67E5;&#x770B;&#x8FD9;&#x4E9B;Pod&#x7684;DNS</span>
$ kubectl run -i --tty --image busybox dns-test --restart=Never --rm /bin/sh
/ <span class="hljs-comment"># nslookup web-0.nginx</span>
Server: 10.0.0.10
Address 1: 10.0.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx
Address 1: 10.244.2.10
/ <span class="hljs-comment"># nslookup web-1.nginx</span>
Server: 10.0.0.10
Address 1: 10.0.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-1.nginx
Address 1: 10.244.3.12
/ <span class="hljs-comment"># nslookup web-0.nginx.default.svc.cluster.local</span>
Server: 10.0.0.10
Address 1: 10.0.0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx.default.svc.cluster.local
Address 1: 10.244.2.10
</code></pre>
<p>&#x8FD8;&#x53EF;&#x4EE5;&#x8FDB;&#x884C;&#x5176;&#x4ED6;&#x7684;&#x64CD;&#x4F5C;</p>
<pre><code class="lang-sh"><span class="hljs-comment"># &#x6269;&#x5BB9;</span>
$ kubectl scale statefulset web --replicas=5
<span class="hljs-comment"># &#x7F29;&#x5BB9;</span>
$ kubectl patch statefulset web -p <span class="hljs-string">&apos;{&quot;spec&quot;:{&quot;replicas&quot;:3}}&apos;</span>
<span class="hljs-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="hljs-string">&apos;json&apos;</span> -p=<span class="hljs-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="hljs-comment"># &#x5220;&#x9664;StatefulSet&#x548C;Headless Service</span>
$ kubectl delete statefulset web
$ kubectl delete service nginx
<span class="hljs-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>
2017-10-20 16:22:43 +08:00
<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>
2017-08-21 17:44:43 +08:00
<pre><code class="lang-yaml"><span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Service
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> zk-headless
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> zk-headless
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - port:</span> <span class="hljs-number">2888</span>
<span class="hljs-attr"> name:</span> server
<span class="hljs-attr"> - port:</span> <span class="hljs-number">3888</span>
<span class="hljs-attr"> name:</span> leader-election
<span class="hljs-attr"> clusterIP:</span> None
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> app:</span> zk
<span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr">data:</span>
<span class="hljs-attr"> ensemble:</span> <span class="hljs-string">&quot;zk-0;zk-1;zk-2&quot;</span>
jvm.heap: <span class="hljs-string">&quot;2G&quot;</span>
<span class="hljs-attr"> tick:</span> <span class="hljs-string">&quot;2000&quot;</span>
<span class="hljs-attr"> init:</span> <span class="hljs-string">&quot;10&quot;</span>
<span class="hljs-attr"> sync:</span> <span class="hljs-string">&quot;5&quot;</span>
client.cnxns: <span class="hljs-string">&quot;60&quot;</span>
snap.retain: <span class="hljs-string">&quot;3&quot;</span>
purge.interval: <span class="hljs-string">&quot;1&quot;</span>
<span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> policy/v1beta1
<span class="hljs-attr">kind:</span> PodDisruptionBudget
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> zk-budget
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> matchLabels:</span>
<span class="hljs-attr"> app:</span> zk
<span class="hljs-attr"> minAvailable:</span> <span class="hljs-number">2</span>
<span class="hljs-meta">---</span>
<span class="hljs-attr">apiVersion:</span> apps/v1beta1
<span class="hljs-attr">kind:</span> StatefulSet
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> zk
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> serviceName:</span> zk-headless
<span class="hljs-attr"> replicas:</span> <span class="hljs-number">3</span>
<span class="hljs-attr"> template:</span>
<span class="hljs-attr"> metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> zk
<span class="hljs-attr"> annotations:</span>
pod.alpha.kubernetes.io/initialized: <span class="hljs-string">&quot;true&quot;</span>
scheduler.alpha.kubernetes.io/affinity: <span class="hljs-string">&gt;
{
&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="hljs-attr"> spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> k8szk
<span class="hljs-attr"> imagePullPolicy:</span> Always
<span class="hljs-attr"> image:</span> gcr.io/google_samples/k8szk:v1
<span class="hljs-attr"> resources:</span>
<span class="hljs-attr"> requests:</span>
<span class="hljs-attr"> memory:</span> <span class="hljs-string">&quot;4Gi&quot;</span>
<span class="hljs-attr"> cpu:</span> <span class="hljs-string">&quot;1&quot;</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">2181</span>
<span class="hljs-attr"> name:</span> client
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">2888</span>
<span class="hljs-attr"> name:</span> server
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">3888</span>
<span class="hljs-attr"> name:</span> leader-election
<span class="hljs-attr"> env:</span>
<span class="hljs-bullet"> -</span> name : ZK_ENSEMBLE
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> ensemble
<span class="hljs-bullet"> -</span> name : ZK_HEAP_SIZE
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> jvm.heap
<span class="hljs-bullet"> -</span> name : ZK_TICK_TIME
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> tick
<span class="hljs-bullet"> -</span> name : ZK_INIT_LIMIT
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> init
<span class="hljs-bullet"> -</span> name : ZK_SYNC_LIMIT
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> tick
<span class="hljs-bullet"> -</span> name : ZK_MAX_CLIENT_CNXNS
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> client.cnxns
<span class="hljs-attr"> - name:</span> ZK_SNAP_RETAIN_COUNT
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> snap.retain
<span class="hljs-attr"> - name:</span> ZK_PURGE_INTERVAL
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> zk-config
<span class="hljs-attr"> key:</span> purge.interval
<span class="hljs-attr"> - name:</span> ZK_CLIENT_PORT
<span class="hljs-attr"> value:</span> <span class="hljs-string">&quot;2181&quot;</span>
<span class="hljs-attr"> - name:</span> ZK_SERVER_PORT
<span class="hljs-attr"> value:</span> <span class="hljs-string">&quot;2888&quot;</span>
<span class="hljs-attr"> - name:</span> ZK_ELECTION_PORT
<span class="hljs-attr"> value:</span> <span class="hljs-string">&quot;3888&quot;</span>
<span class="hljs-attr"> command:</span>
<span class="hljs-bullet"> -</span> sh
<span class="hljs-bullet"> -</span> -c
<span class="hljs-bullet"> -</span> zkGenConfig.sh &amp;&amp; zkServer.sh start-foreground
<span class="hljs-attr"> readinessProbe:</span>
<span class="hljs-attr"> exec:</span>
<span class="hljs-attr"> command:</span>
<span class="hljs-bullet"> -</span> <span class="hljs-string">&quot;zkOk.sh&quot;</span>
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">15</span>
<span class="hljs-attr"> timeoutSeconds:</span> <span class="hljs-number">5</span>
<span class="hljs-attr"> livenessProbe:</span>
<span class="hljs-attr"> exec:</span>
<span class="hljs-attr"> command:</span>
<span class="hljs-bullet"> -</span> <span class="hljs-string">&quot;zkOk.sh&quot;</span>
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">15</span>
<span class="hljs-attr"> timeoutSeconds:</span> <span class="hljs-number">5</span>
<span class="hljs-attr"> volumeMounts:</span>
<span class="hljs-attr"> - name:</span> datadir
<span class="hljs-attr"> mountPath:</span> /var/lib/zookeeper
<span class="hljs-attr"> securityContext:</span>
<span class="hljs-attr"> runAsUser:</span> <span class="hljs-number">1000</span>
<span class="hljs-attr"> fsGroup:</span> <span class="hljs-number">1000</span>
<span class="hljs-attr"> volumeClaimTemplates:</span>
<span class="hljs-attr"> - metadata:</span>
<span class="hljs-attr"> name:</span> datadir
<span class="hljs-attr"> annotations:</span>
volume.alpha.kubernetes.io/storage-class: anything
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> accessModes:</span> [ <span class="hljs-string">&quot;ReadWriteOnce&quot;</span> ]
<span class="hljs-attr"> resources:</span>
<span class="hljs-attr"> requests:</span>
<span class="hljs-attr"> storage:</span> <span class="hljs-number">20</span>Gi
</code></pre>
<pre><code class="lang-sh">kubectl create <span class="hljs-_">-f</span> 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>
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<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><code class="lang-bash">kubectl label pod zk-0 zkInst=0
kubectl label pod zk-1 zkInst=1
kubectl expose po zk-0 --port=2181 --target-port=2181 --name=zk-0 --selector=zkInst=0 --type=NodePort
kubectl expose po zk-1 --port=2181 --target-port=2181 --name=zk-1 --selector=zkInst=1 --type=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><code>NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
zk-0 10.254.98.14 &lt;nodes&gt; 2181:31693/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>
2017-08-21 17:44:43 +08:00
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
2017-10-19 15:31:08 +08:00
<p><a href="https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/" target="_blank">https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/</a></p>
<p><a href="https://github.com/kubernetes/contrib/tree/master/statefulsets" target="_blank">kubernetes contrib - statefulsets</a> </p>
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