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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 Objects
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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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2.2.1.3 Pod安全策略
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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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2.2.18 垃圾收集
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2.2.19 NetworkPolicy
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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 集群安全性管理
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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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2017-08-31 14:23:44 +08:00
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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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2017-09-07 14:13:59 +08:00
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3.3.6 IP伪装代理
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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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<li class="chapter " data-level="1.3.5.1" data-path="../guide/deploy-applications-in-kubernetes.html">
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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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4.1 在CentOS上部署kubernetes1.6集群
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4.1.1 创建TLS证书和秘钥
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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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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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<li class="chapter " data-level="1.4.2.2" data-path="../practice/distributed-load-test.html">
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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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<li class="chapter " data-level="1.4.2.4" data-path="../practice/edge-node-configuration.html">
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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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4.3.3 配置最佳实践
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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">
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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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4.3.7 管理容器的计算资源
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4.4 存储管理
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<a href="../practice/glusterfs.html">
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">
<a href="../practice/using-ceph-for-persistent-storage.html">
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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<ul class="articles">
<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
</a>
</li>
<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
</a>
</li>
</ul>
</li>
<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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<ul class="articles">
<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
</a>
</li>
</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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<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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<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>
<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
</li>
<li class="chapter " data-level="1.5.3" data-path="../usecases/serverless.html">
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5.3 Serverless架构
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<li class="chapter " data-level="1.6" data-path="../develop/">
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6. 开发指南
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<a href="../develop/developing-environment.html">
6.1 开发环境搭建
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<a href=".." >2.2.11 ReplicationController和ReplicaSet</a>
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<h1 id="replicationcontroller&#x548C;replicaset">ReplicationController&#x548C;ReplicaSet</h1>
<p>ReplicationCtronller&#x7528;&#x6765;&#x786E;&#x4FDD;&#x5BB9;&#x5668;&#x5E94;&#x7528;&#x7684;&#x526F;&#x672C;&#x6570;&#x59CB;&#x7EC8;&#x4FDD;&#x6301;&#x5728;&#x7528;&#x6237;&#x5B9A;&#x4E49;&#x7684;&#x526F;&#x672C;&#x6570;&#xFF0C;&#x5373;&#x5982;&#x679C;&#x6709;&#x5BB9;&#x5668;&#x5F02;&#x5E38;&#x9000;&#x51FA;&#xFF0C;&#x4F1A;&#x81EA;&#x52A8;&#x521B;&#x5EFA;&#x65B0;&#x7684;Pod&#x6765;&#x66FF;&#x4EE3;&#xFF1B;&#x800C;&#x5982;&#x679C;&#x5F02;&#x5E38;&#x591A;&#x51FA;&#x6765;&#x7684;&#x5BB9;&#x5668;&#x4E5F;&#x4F1A;&#x81EA;&#x52A8;&#x56DE;&#x6536;&#x3002;</p>
<p>&#x5728;&#x65B0;&#x7248;&#x672C;&#x7684;Kubernetes&#x4E2D;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528;ReplicaSet&#x6765;&#x53D6;&#x4EE3;ReplicationCtronller&#x3002;ReplicaSet&#x8DDF;ReplicationCtronller&#x6CA1;&#x6709;&#x672C;&#x8D28;&#x7684;&#x4E0D;&#x540C;&#xFF0C;&#x53EA;&#x662F;&#x540D;&#x5B57;&#x4E0D;&#x4E00;&#x6837;&#xFF0C;&#x5E76;&#x4E14;ReplicaSet&#x652F;&#x6301;&#x96C6;&#x5408;&#x5F0F;&#x7684;selector&#x3002;</p>
<p>&#x867D;&#x7136;ReplicaSet&#x53EF;&#x4EE5;&#x72EC;&#x7ACB;&#x4F7F;&#x7528;&#xFF0C;&#x4F46;&#x4E00;&#x822C;&#x8FD8;&#x662F;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528; Deployment &#x6765;&#x81EA;&#x52A8;&#x7BA1;&#x7406;ReplicaSet&#xFF0C;&#x8FD9;&#x6837;&#x5C31;&#x65E0;&#x9700;&#x62C5;&#x5FC3;&#x8DDF;&#x5176;&#x4ED6;&#x673A;&#x5236;&#x7684;&#x4E0D;&#x517C;&#x5BB9;&#x95EE;&#x9898;&#xFF08;&#x6BD4;&#x5982;ReplicaSet&#x4E0D;&#x652F;&#x6301;rolling-update&#x4F46;Deployment&#x652F;&#x6301;&#xFF09;&#x3002;</p>
<p>ReplicaSet&#x793A;&#x4F8B;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> extensions/v1beta1
<span class="hljs-attr">kind:</span> ReplicaSet
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> frontend
<span class="hljs-comment"># these labels can be applied automatically</span>
<span class="hljs-comment"># from the labels in the pod template if not set</span>
<span class="hljs-comment"># labels:</span>
<span class="hljs-comment"># app: guestbook</span>
<span class="hljs-comment"># tier: frontend</span>
<span class="hljs-attr">spec:</span>
<span class="hljs-comment"># this replicas value is default</span>
<span class="hljs-comment"># modify it according to your case</span>
<span class="hljs-attr"> replicas:</span> <span class="hljs-number">3</span>
<span class="hljs-comment"># selector can be applied automatically</span>
<span class="hljs-comment"># from the labels in the pod template if not set,</span>
<span class="hljs-comment"># but we are specifying the selector here to</span>
<span class="hljs-comment"># demonstrate its usage.</span>
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> matchLabels:</span>
<span class="hljs-attr"> tier:</span> frontend
<span class="hljs-attr"> matchExpressions:</span>
<span class="hljs-bullet"> -</span> {key: tier, operator: In, values: [frontend]}
<span class="hljs-attr"> template:</span>
<span class="hljs-attr"> metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> guestbook
<span class="hljs-attr"> tier:</span> frontend
<span class="hljs-attr"> spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> php-redis
<span class="hljs-attr"> image:</span> gcr.io/google_samples/gb-frontend:v3
<span class="hljs-attr"> resources:</span>
<span class="hljs-attr"> requests:</span>
<span class="hljs-attr"> cpu:</span> <span class="hljs-number">100</span>m
<span class="hljs-attr"> memory:</span> <span class="hljs-number">100</span>Mi
<span class="hljs-attr"> env:</span>
<span class="hljs-attr"> - name:</span> GET_HOSTS_FROM
<span class="hljs-attr"> value:</span> dns
<span class="hljs-comment"># If your cluster config does not include a dns service, then to</span>
<span class="hljs-comment"># instead access environment variables to find service host</span>
<span class="hljs-comment"># info, comment out the &apos;value: dns&apos; line above, and uncomment the</span>
<span class="hljs-comment"># line below.</span>
<span class="hljs-comment"># value: env</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">80</span>
</code></pre>
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