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1. 前言
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2. 概念原理
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2.1 设计理念
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2.2 主要概念
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2.2.1 Pod
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2.2.1.1 Pod解析
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2.2.1.2 Init容器
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2.2.2 Node
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2.2.3 Namespace
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2.2.4 Service
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2.2.5 Volume和Persistent Volume
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2.2.6 Deployment
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2.2.7 Secret
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2.2.8 StatefulSet
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2.2.9 DaemonSet
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2.2.10 ServiceAccount
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2.2.11 ReplicationController和ReplicaSet
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2.2.12 Job
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2.2.13 CronJob
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2.2.14 Ingress
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2.2.15 ConfigMap
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2.2.16 Horizontal Pod Autoscaling
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2.2.17 Label
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3. 用户指南
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3.1 资源配置
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3.1.1 配置Pod的liveness和readiness探针
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3.1.2 配置Pod的Service Account
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3.2 命令使用
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3.2.1 使用kubectl
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3.3 集群管理
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3.3.1 管理集群中的TLS
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3.3.2 kubelet的认证授权
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3.3.3 TLS bootstrap
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3.3.4 kubectl的用户认证授权
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3.3.5 RBAC——基于角色的访问控制
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3.4 访问 Kubernetes 集群
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3.4.1 访问集群
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3.4.2 使用 kubeconfig 文件配置跨集群认证
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3.4.3 通过端口转发访问集群中的应用程序
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3.4.4 使用 service 访问群集中的应用程序
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<li class="chapter " data-level="1.3.5" data-path="../guide/application-development-deployment-flow.html">
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3.5 在kubernetes中开发部署应用
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3.5.1 适用于kubernetes的应用开发部署流程
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3.5.2 迁移传统应用到kubernetes中——以Hadoop YARN为例
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4. 最佳实践
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<li class="chapter " data-level="1.4.1" data-path="../practice/install-kbernetes1.6-on-centos.html">
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4.1 在CentOS上部署kubernetes1.6集群
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<li class="chapter " data-level="1.4.1.1" data-path="../practice/create-tls-and-secret-key.html">
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4.1.1 创建TLS证书和秘钥
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<li class="chapter " data-level="1.4.1.2" data-path="../practice/create-kubeconfig.html">
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4.1.2 创建kubeconfig文件
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<li class="chapter " data-level="1.4.1.3" data-path="../practice/etcd-cluster-installation.html">
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4.1.3 创建高可用etcd集群
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4.1.4 安装kubectl命令行工具
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4.1.5 部署master节点
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4.1.6 部署node节点
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<li class="chapter " data-level="1.4.1.7" data-path="../practice/kubedns-addon-installation.html">
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4.1.7 安装kubedns插件
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<li class="chapter " data-level="1.4.1.8" data-path="../practice/dashboard-addon-installation.html">
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4.1.8 安装dashboard插件
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<li class="chapter " data-level="1.4.1.9" data-path="../practice/heapster-addon-installation.html">
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4.1.9 安装heapster插件
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<li class="chapter " data-level="1.4.1.10" data-path="../practice/efk-addon-installation.html">
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4.1.10 安装EFK插件
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<li class="chapter " data-level="1.4.2" data-path="../practice/service-discovery-and-loadbalancing.html">
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4.2 服务发现与负载均衡
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4.2.1 安装Traefik ingress
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4.2.2 分布式负载测试
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4.2.3 网络和集群性能测试
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4.2.4 边缘节点配置
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4.3 运维管理
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<li class="chapter " data-level="1.4.3.1" data-path="../practice/service-rolling-update.html">
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4.3.1 服务滚动升级
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<li class="chapter " data-level="1.4.3.2" data-path="../practice/app-log-collection.html">
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4.3.2 应用日志收集
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<li class="chapter " data-level="1.4.3.3" data-path="../practice/configuration-best-practice.html">
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4.3.3 配置最佳实践
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<li class="chapter " data-level="1.4.3.4" data-path="../practice/monitor.html">
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4.3.4 集群及应用监控
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<li class="chapter " data-level="1.4.3.5" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
4.3.5 使用Jenkins进行持续构建与发布
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<li class="chapter " data-level="1.4.3.6" data-path="../practice/data-persistence-problem.html">
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4.3.6 数据持久化问题
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<li class="chapter " data-level="1.4.4" data-path="../practice/storage.html">
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4.4 存储管理
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<li class="chapter " data-level="1.4.4.1" data-path="../practice/glusterfs.html">
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4.4.1 GlusterFS
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<li class="chapter " data-level="1.4.4.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
4.4.1.1 使用GlusterFS做持久化存储
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<li class="chapter " data-level="1.4.4.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
4.4.1.2 在OpenShift中使用GlusterFS做持久化存储
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<li class="chapter " data-level="1.4.4.2" data-path="../practice/cephfs.html">
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4.4.2 CephFS
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<li class="chapter " data-level="1.4.4.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
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4.4.2.1 使用Ceph做持久化存储
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5. 领域应用
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<li class="chapter " data-level="1.5.1" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
5.1 微服务架构
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<ul class="articles">
<li class="chapter " data-level="1.5.1.1" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
5.1.1 Istio
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<li class="chapter " data-level="1.5.1.1.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
5.1.1.1 安装istio
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<li class="chapter " data-level="1.5.1.1.2" data-path="../usecases/configuring-request-routing.html">
<a href="../usecases/configuring-request-routing.html">
5.1.1.2 配置请求的路由规则
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</ul>
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<li class="chapter " data-level="1.5.1.2" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
5.1.2 Linkerd
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<li class="chapter " data-level="1.5.1.2.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
5.1.2.1 Linkerd 使用指南
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</ul>
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<li class="chapter " data-level="1.5.1.3" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
5.1.3 微服务中的服务发现
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</ul>
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<li class="chapter " data-level="1.5.2" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
5.2 大数据
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<ul class="articles">
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<li class="chapter " data-level="1.5.2.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
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<a href="../usecases/spark-standalone-on-kubernetes.html">
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5.2.1 Spark standalone on Kubernetes
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</a>
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<li class="chapter " data-level="1.5.2.2" data-path="../usecases/support-spark-natively-in-kubernetes.html">
<a href="../usecases/support-spark-natively-in-kubernetes.html">
5.2.2 运行支持kubernetes原生调度的Spark程序
</a>
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</li>
</ul>
2017-08-30 16:52:33 +08:00
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<li class="chapter " data-level="1.5.3" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
5.3 Serverless架构
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6. 开发指南
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<li class="chapter " data-level="1.6.1" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
6.1 开发环境搭建
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<li class="chapter " data-level="1.6.2" data-path="../develop/testing.html">
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6.2 单元测试和集成测试
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<li class="chapter " data-level="1.6.3" data-path="../develop/client-go-sample.html">
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6.3 client-go示例
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<li class="chapter " data-level="1.6.4" data-path="../develop/contribute.html">
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6.4 社区贡献
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<li class="chapter " data-level="1.7" data-path="../appendix/">
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7. 附录
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<li class="chapter " data-level="1.7.1" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
7.1 Docker最佳实践
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7.2 问题记录
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7.3 使用技巧
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<a href=".." >2.2.1 Pod</a>
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<h1 id="pod&#x6982;&#x89C8;">Pod&#x6982;&#x89C8;</h1>
<h2 id="&#x7406;&#x89E3;pod">&#x7406;&#x89E3;Pod</h2>
<p>Pod&#x662F;kubernetes&#x4E2D;&#x4F60;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x548C;&#x90E8;&#x7F72;&#x7684;&#x6700;&#x5C0F;&#x4E5F;&#x662F;&#x6700;&#x7B80;&#x5355;&#x4F4D;&#x3002;&#x4E00;&#x4E2A;Pod&#x4EE3;&#x8868;&#x7740;&#x96C6;&#x7FA4;&#x4E2D;&#x8FD0;&#x884C;&#x7684;&#x4E00;&#x4E2A;&#x8FDB;&#x7A0B;&#x3002;</p>
<p>Pod&#x4E2D;&#x5C01;&#x88C5;&#x7740;&#x5E94;&#x7528;&#x7684;&#x5BB9;&#x5668;&#xFF08;&#x6709;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#x662F;&#x597D;&#x51E0;&#x4E2A;&#x5BB9;&#x5668;&#xFF09;&#xFF0C;&#x5B58;&#x50A8;&#x3001;&#x72EC;&#x7ACB;&#x7684;&#x7F51;&#x7EDC;IP&#xFF0C;&#x7BA1;&#x7406;&#x5BB9;&#x5668;&#x5982;&#x4F55;&#x8FD0;&#x884C;&#x7684;&#x7B56;&#x7565;&#x9009;&#x9879;&#x3002;Pod&#x4EE3;&#x8868;&#x7740;&#x90E8;&#x7F72;&#x7684;&#x4E00;&#x4E2A;&#x5355;&#x4F4D;&#xFF1A;kubernetes&#x4E2D;&#x5E94;&#x7528;&#x7684;&#x4E00;&#x4E2A;&#x5B9E;&#x4F8B;&#xFF0C;&#x53EF;&#x80FD;&#x7531;&#x4E00;&#x4E2A;&#x6216;&#x8005;&#x591A;&#x4E2A;&#x5BB9;&#x5668;&#x7EC4;&#x5408;&#x5728;&#x4E00;&#x8D77;&#x5171;&#x4EAB;&#x8D44;&#x6E90;&#x3002;</p>
<blockquote>
<p><a href="https://www.docker.com" target="_blank">Docker</a>&#x662F;kubernetes&#x4E2D;&#x6700;&#x5E38;&#x7528;&#x7684;&#x5BB9;&#x5668;&#x8FD0;&#x884C;&#x65F6;&#xFF0C;&#x4F46;&#x662F;Pod&#x4E5F;&#x652F;&#x6301;&#x5176;&#x4ED6;&#x5BB9;&#x5668;&#x8FD0;&#x884C;&#x65F6;&#x3002;</p>
</blockquote>
<p>Pods are employed a number of ways in a Kubernetes cluster, including:</p>
<p>&#x5728;Kubrenetes&#x96C6;&#x7FA4;&#x4E2D;Pod&#x6709;&#x5982;&#x4E0B;&#x4E24;&#x79CD;&#x4F7F;&#x7528;&#x65B9;&#x5F0F;&#xFF1A;</p>
<ul>
<li><strong>&#x4E00;&#x4E2A;Pod&#x4E2D;&#x8FD0;&#x884C;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;</strong>&#x3002;&#x201C;&#x6BCF;&#x4E2A;Pod&#x4E2D;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x201D;&#x7684;&#x6A21;&#x5F0F;&#x662F;&#x6700;&#x5E38;&#x89C1;&#x7684;&#x7528;&#x6CD5;&#xFF1B;&#x5728;&#x8FD9;&#x79CD;&#x4F7F;&#x7528;&#x65B9;&#x5F0F;&#x4E2D;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x628A;Pod&#x60F3;&#x8C61;&#x6210;&#x662F;&#x5355;&#x4E2A;&#x5BB9;&#x5668;&#x7684;&#x5C01;&#x88C5;&#xFF0C;kuberentes&#x7BA1;&#x7406;&#x7684;&#x662F;Pod&#x800C;&#x4E0D;&#x662F;&#x76F4;&#x63A5;&#x7BA1;&#x7406;&#x5BB9;&#x5668;&#x3002;</li>
<li><strong>&#x5728;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x540C;&#x65F6;&#x8FD0;&#x884C;&#x591A;&#x4E2A;&#x5BB9;&#x5668;</strong>&#x3002;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x4E5F;&#x53EF;&#x4EE5;&#x540C;&#x65F6;&#x5C01;&#x88C5;&#x51E0;&#x4E2A;&#x9700;&#x8981;&#x7D27;&#x5BC6;&#x8026;&#x5408;&#x4E92;&#x76F8;&#x534F;&#x4F5C;&#x7684;&#x5BB9;&#x5668;&#xFF0C;&#x5B83;&#x4EEC;&#x4E4B;&#x95F4;&#x5171;&#x4EAB;&#x8D44;&#x6E90;&#x3002;&#x8FD9;&#x4E9B;&#x5728;&#x540C;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x53EF;&#x4EE5;&#x4E92;&#x76F8;&#x534F;&#x4F5C;&#x6210;&#x4E3A;&#x4E00;&#x4E2A;service&#x5355;&#x4F4D;&#x2014;&#x2014;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x5171;&#x4EAB;&#x6587;&#x4EF6;&#xFF0C;&#x53E6;&#x4E00;&#x4E2A;&#x201C;sidecar&#x201D;&#x5BB9;&#x5668;&#x6765;&#x66F4;&#x65B0;&#x8FD9;&#x4E9B;&#x6587;&#x4EF6;&#x3002;Pod&#x5C06;&#x8FD9;&#x4E9B;&#x5BB9;&#x5668;&#x7684;&#x5B58;&#x50A8;&#x8D44;&#x6E90;&#x4F5C;&#x4E3A;&#x4E00;&#x4E2A;&#x5B9E;&#x4F53;&#x6765;&#x7BA1;&#x7406;&#x3002;</li>
</ul>
<p><a href="http://blog.kubernetes.io" target="_blank">Kubernetes Blog</a> &#x6709;&#x5173;&#x4E8E;Pod&#x7528;&#x4F8B;&#x7684;&#x8BE6;&#x7EC6;&#x4FE1;&#x606F;&#xFF1A;&#x67E5;&#x770B;&#xFF1A;</p>
<ul>
<li><a href="http://blog.kubernetes.io/2015/06/the-distributed-system-toolkit-patterns.html" target="_blank">The Distributed System Toolkit: Patterns for Composite Containers</a></li>
<li><a href="http://blog.kubernetes.io/2016/06/container-design-patterns.html" target="_blank">Container Design Patterns</a></li>
</ul>
<p>&#x6BCF;&#x4E2A;Pod&#x90FD;&#x662F;&#x5E94;&#x7528;&#x7684;&#x4E00;&#x4E2A;&#x5B9E;&#x4F8B;&#x3002;&#x5982;&#x679C;&#x4F60;&#x60F3;&#x5E73;&#x884C;&#x6269;&#x5C55;&#x5E94;&#x7528;&#x7684;&#x8BDD;&#xFF08;&#x8FD0;&#x884C;&#x591A;&#x4E2A;&#x5B9E;&#x4F8B;&#xFF09;&#xFF0C;&#x4F60;&#x5E94;&#x8BE5;&#x8FD0;&#x884C;&#x591A;&#x4E2A;Pod&#xFF0C;&#x6BCF;&#x4E2A;Pod&#x90FD;&#x662F;&#x4E00;&#x4E2A;&#x5E94;&#x7528;&#x5B9E;&#x4F8B;&#x3002;&#x5728;Kubernetes&#x4E2D;&#xFF0C;&#x8FD9;&#x901A;&#x5E38;&#x88AB;&#x53EB;&#x79F0;&#x4E3A;&#x662F;replication&#x3002;</p>
<h3 id="pod&#x4E2D;&#x5982;&#x4F55;&#x7BA1;&#x7406;&#x591A;&#x4E2A;&#x5BB9;&#x5668;">Pod&#x4E2D;&#x5982;&#x4F55;&#x7BA1;&#x7406;&#x591A;&#x4E2A;&#x5BB9;&#x5668;</h3>
<p>Pod&#x4E2D;&#x53EF;&#x4EE5;&#x540C;&#x65F6;&#x8FD0;&#x884C;&#x591A;&#x4E2A;&#x8FDB;&#x7A0B;&#xFF08;&#x4F5C;&#x4E3A;&#x5BB9;&#x5668;&#x8FD0;&#x884C;&#xFF09;&#x534F;&#x540C;&#x5DE5;&#x4F5C;&#x3002;&#x540C;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x4F1A;&#x81EA;&#x52A8;&#x7684;&#x5206;&#x914D;&#x5230;&#x540C;&#x4E00;&#x4E2A; node &#x4E0A;&#x3002;&#x540C;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x5171;&#x4EAB;&#x8D44;&#x6E90;&#x3001;&#x7F51;&#x7EDC;&#x73AF;&#x5883;&#x548C;&#x4F9D;&#x8D56;&#xFF0C;&#x5B83;&#x4EEC;&#x603B;&#x662F;&#x88AB;&#x540C;&#x65F6;&#x8C03;&#x5EA6;&#x3002;</p>
<p>&#x6CE8;&#x610F;&#x5728;&#x4E00;&#x4E2A;Pod&#x4E2D;&#x540C;&#x65F6;&#x8FD0;&#x884C;&#x591A;&#x4E2A;&#x5BB9;&#x5668;&#x662F;&#x4E00;&#x79CD;&#x6BD4;&#x8F83;&#x9AD8;&#x7EA7;&#x7684;&#x7528;&#x6CD5;&#x3002;&#x53EA;&#x6709;&#x5F53;&#x4F60;&#x7684;&#x5BB9;&#x5668;&#x9700;&#x8981;&#x7D27;&#x5BC6;&#x914D;&#x5408;&#x534F;&#x4F5C;&#x7684;&#x65F6;&#x5019;&#x624D;&#x8003;&#x8651;&#x7528;&#x8FD9;&#x79CD;&#x6A21;&#x5F0F;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x4F60;&#x6709;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x4F5C;&#x4E3A;web&#x670D;&#x52A1;&#x5668;&#x8FD0;&#x884C;&#xFF0C;&#x9700;&#x8981;&#x7528;&#x5230;&#x5171;&#x4EAB;&#x7684;volume&#xFF0C;&#x6709;&#x53E6;&#x4E00;&#x4E2A;&#x201D;sidecar&#x201C;&#x5BB9;&#x5668;&#x6765;&#x4ECE;&#x8FDC;&#x7AEF;&#x83B7;&#x53D6;&#x8D44;&#x6E90;&#x66F4;&#x65B0;&#x8FD9;&#x4E9B;&#x6587;&#x4EF6;&#xFF0C;&#x5982;&#x4E0B;&#x56FE;&#x6240;&#x793A;&#xFF1A;</p>
<figure id="fig1.2.2.1.1"><img src="../images/pod-overview.png" alt="pod diagram"><figcaption>Figure: pod diagram</figcaption></figure>
<p>Pod&#x4E2D;&#x53EF;&#x4EE5;&#x5171;&#x4EAB;&#x4E24;&#x79CD;&#x8D44;&#x6E90;&#xFF1A;&#x7F51;&#x7EDC;&#x548C;&#x5B58;&#x50A8;&#x3002;</p>
<h4 id="&#x7F51;&#x7EDC;">&#x7F51;&#x7EDC;</h4>
<p>&#x6BCF;&#x4E2A;Pod&#x90FD;&#x4F1A;&#x88AB;&#x5206;&#x914D;&#x4E00;&#x4E2A;&#x552F;&#x4E00;&#x7684;IP&#x5730;&#x5740;&#x3002;Pod&#x4E2D;&#x7684;&#x6240;&#x6709;&#x5BB9;&#x5668;&#x5171;&#x4EAB;&#x7F51;&#x7EDC;&#x7A7A;&#x95F4;&#xFF0C;&#x5305;&#x62EC;IP&#x5730;&#x5740;&#x548C;&#x7AEF;&#x53E3;&#x3002;Pod&#x5185;&#x90E8;&#x7684;&#x5BB9;&#x5668;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;<code>localhost</code>&#x4E92;&#x76F8;&#x901A;&#x4FE1;&#x3002;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x4E0E;&#x5916;&#x754C;&#x901A;&#x4FE1;&#x65F6;&#xFF0C;&#x5FC5;&#x987B;&#x5206;&#x914D;&#x5171;&#x4EAB;&#x7F51;&#x7EDC;&#x8D44;&#x6E90;&#xFF08;&#x4F8B;&#x5982;&#x4F7F;&#x7528;&#x5BBF;&#x4E3B;&#x673A;&#x7684;&#x7AEF;&#x53E3;&#x6620;&#x5C04;&#xFF09;&#x3002;</p>
<h4 id="&#x5B58;&#x50A8;">&#x5B58;&#x50A8;</h4>
<p>&#x53EF;&#x4EE5;Pod&#x6307;&#x5B9A;&#x591A;&#x4E2A;&#x5171;&#x4EAB;&#x7684;Volume&#x3002;Pod&#x4E2D;&#x7684;&#x6240;&#x6709;&#x5BB9;&#x5668;&#x90FD;&#x53EF;&#x4EE5;&#x8BBF;&#x95EE;&#x5171;&#x4EAB;&#x7684;volume&#x3002;Volume&#x4E5F;&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x6301;&#x4E45;&#x5316;Pod&#x4E2D;&#x7684;&#x5B58;&#x50A8;&#x8D44;&#x6E90;&#xFF0C;&#x4EE5;&#x9632;&#x5BB9;&#x5668;&#x91CD;&#x542F;&#x540E;&#x6587;&#x4EF6;&#x4E22;&#x5931;&#x3002;</p>
<h2 id="&#x4F7F;&#x7528;pod">&#x4F7F;&#x7528;Pod</h2>
<p>&#x4F60;&#x5F88;&#x5C11;&#x4F1A;&#x76F4;&#x63A5;&#x5728;kubernetes&#x4E2D;&#x521B;&#x5EFA;&#x5355;&#x4E2A;Pod&#x3002;&#x56E0;&#x4E3A;Pod&#x7684;&#x751F;&#x547D;&#x5468;&#x671F;&#x662F;&#x77ED;&#x6682;&#x7684;&#xFF0C;&#x7528;&#x540E;&#x5373;&#x711A;&#x7684;&#x5B9E;&#x4F53;&#x3002;&#x5F53;Pod&#x88AB;&#x521B;&#x5EFA;&#x540E;&#xFF08;&#x4E0D;&#x8BBA;&#x662F;&#x7531;&#x4F60;&#x76F4;&#x63A5;&#x521B;&#x5EFA;&#x8FD8;&#x662F;&#x88AB;&#x5176;&#x4ED6;Controller&#xFF09;&#xFF0C;&#x90FD;&#x4F1A;&#x88AB;Kuberentes&#x8C03;&#x5EA6;&#x5230;&#x96C6;&#x7FA4;&#x7684;Node&#x4E0A;&#x3002;&#x76F4;&#x5230;Pod&#x7684;&#x8FDB;&#x7A0B;&#x7EC8;&#x6B62;&#x3001;&#x88AB;&#x5220;&#x6389;&#x3001;&#x56E0;&#x4E3A;&#x7F3A;&#x5C11;&#x8D44;&#x6E90;&#x800C;&#x88AB;&#x9A71;&#x9010;&#x3001;&#x6216;&#x8005;Node&#x6545;&#x969C;&#x4E4B;&#x524D;&#x8FD9;&#x4E2A;Pod&#x90FD;&#x4F1A;&#x4E00;&#x76F4;&#x4FDD;&#x6301;&#x5728;&#x90A3;&#x4E2A;Node&#x4E0A;&#x3002;</p>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x91CD;&#x542F;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x8DDF;&#x91CD;&#x542F;Pod&#x4E0D;&#x662F;&#x4E00;&#x56DE;&#x4E8B;&#x3002;Pod&#x53EA;&#x63D0;&#x4F9B;&#x5BB9;&#x5668;&#x7684;&#x8FD0;&#x884C;&#x73AF;&#x5883;&#x5E76;&#x4FDD;&#x6301;&#x5BB9;&#x5668;&#x7684;&#x8FD0;&#x884C;&#x72B6;&#x6001;&#xFF0C;&#x91CD;&#x542F;&#x5BB9;&#x5668;&#x4E0D;&#x4F1A;&#x9020;&#x6210;Pod&#x91CD;&#x542F;&#x3002;</p>
</blockquote>
<p>Pod&#x4E0D;&#x4F1A;&#x81EA;&#x6108;&#x3002;&#x5982;&#x679C;Pod&#x8FD0;&#x884C;&#x7684;Node&#x6545;&#x969C;&#xFF0C;&#x6216;&#x8005;&#x662F;&#x8C03;&#x5EA6;&#x5668;&#x672C;&#x8EAB;&#x6545;&#x969C;&#xFF0C;&#x8FD9;&#x4E2A;Pod&#x5C31;&#x4F1A;&#x88AB;&#x5220;&#x9664;&#x3002;&#x540C;&#x6837;&#x7684;&#xFF0C;&#x5982;&#x679C;Pod&#x6240;&#x5728;Node&#x7F3A;&#x5C11;&#x8D44;&#x6E90;&#x6216;&#x8005;Pod&#x5904;&#x4E8E;&#x7EF4;&#x62A4;&#x72B6;&#x6001;&#xFF0C;Pod&#x4E5F;&#x4F1A;&#x88AB;&#x9A71;&#x9010;&#x3002;Kubernetes&#x4F7F;&#x7528;&#x66F4;&#x9AD8;&#x7EA7;&#x7684;&#x79F0;&#x4E3A;Controller&#x7684;&#x62BD;&#x8C61;&#x5C42;&#xFF0C;&#x6765;&#x7BA1;&#x7406;Pod&#x5B9E;&#x4F8B;&#x3002;&#x867D;&#x7136;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x4F7F;&#x7528;Pod&#xFF0C;&#x4F46;&#x662F;&#x5728;Kubernetes&#x4E2D;&#x901A;&#x5E38;&#x662F;&#x4F7F;&#x7528;Controller&#x6765;&#x7BA1;&#x7406;Pod&#x7684;&#x3002;</p>
<h3 id="pod&#x548C;controller">Pod&#x548C;Controller</h3>
<p>Controller&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x548C;&#x7BA1;&#x7406;&#x591A;&#x4E2A;Pod&#xFF0C;&#x63D0;&#x4F9B;&#x526F;&#x672C;&#x7BA1;&#x7406;&#x3001;&#x6EDA;&#x52A8;&#x5347;&#x7EA7;&#x548C;&#x96C6;&#x7FA4;&#x7EA7;&#x522B;&#x7684;&#x81EA;&#x6108;&#x80FD;&#x529B;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x5982;&#x679C;&#x4E00;&#x4E2A;Node&#x6545;&#x969C;&#xFF0C;Controller&#x5C31;&#x80FD;&#x81EA;&#x52A8;&#x5C06;&#x8BE5;&#x8282;&#x70B9;&#x4E0A;&#x7684;Pod&#x8C03;&#x5EA6;&#x5230;&#x5176;&#x4ED6;&#x5065;&#x5EB7;&#x7684;Node&#x4E0A;&#x3002;</p>
<p>&#x5305;&#x542B;&#x4E00;&#x4E2A;&#x6216;&#x8005;&#x591A;&#x4E2A;Pod&#x7684;Controller&#x793A;&#x4F8B;&#xFF1A;</p>
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2017-09-01 21:31:13 +08:00
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