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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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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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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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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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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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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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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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4.2.4 边缘节点配置
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4.3 运维管理
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<a href="../practice/service-rolling-update.html">
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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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="1.4.3.7" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
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">
<a href="../practice/cephfs.html">
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
</a>
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<li class="chapter " data-level="1.5" data-path="../usecases/">
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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
</a>
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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
</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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<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>
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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">
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5.3 Serverless架构
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6. 开发指南
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<h1>
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<a href=".." >3.1.2 配置Pod的Service Account</a>
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<section class="normal markdown-section">
<h1 id="&#x914D;&#x7F6E;-pod-&#x7684;-service-account">&#x914D;&#x7F6E; Pod &#x7684; Service Account</h1>
<p>Service account &#x4E3A; Pod &#x4E2D;&#x7684;&#x8FDB;&#x7A0B;&#x63D0;&#x4F9B;&#x8EAB;&#x4EFD;&#x4FE1;&#x606F;&#x3002;</p>
<p><em>&#x672C;&#x6587;&#x662F;&#x5173;&#x4E8E; Service Account &#x7684;&#x7528;&#x6237;&#x6307;&#x5357;&#xFF0C;&#x7BA1;&#x7406;&#x6307;&#x5357;&#x53E6;&#x89C1; Service Account &#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x6307;&#x5357; &#x3002;</em></p>
<p><em>&#x6CE8;&#x610F;&#xFF1A;&#x672C;&#x6587;&#x6863;&#x63CF;&#x8FF0;&#x7684;&#x5173;&#x4E8E; Serivce Account &#x7684;&#x884C;&#x4E3A;&#x53EA;&#x6709;&#x5F53;&#x60A8;&#x6309;&#x7167; Kubernetes &#x9879;&#x76EE;&#x5EFA;&#x8BAE;&#x7684;&#x65B9;&#x5F0F;&#x642D;&#x5EFA;&#x8D77;&#x96C6;&#x7FA4;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#x624D;&#x6709;&#x6548;&#x3002;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x53EF;&#x80FD;&#x5728;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x4E2D;&#x6709;&#x81EA;&#x5B9A;&#x4E49;&#x914D;&#x7F6E;&#xFF0C;&#x8FD9;&#x79CD;&#x60C5;&#x51B5;&#x4E0B;&#x8BE5;&#x6587;&#x6863;&#x53EF;&#x80FD;&#x5E76;&#x4E0D;&#x9002;&#x7528;&#x3002;</em></p>
<p>&#x5F53;&#x60A8;&#xFF08;&#x771F;&#x4EBA;&#x7528;&#x6237;&#xFF09;&#x8BBF;&#x95EE;&#x96C6;&#x7FA4;&#xFF08;&#x4F8B;&#x5982;&#x4F7F;&#x7528;<code>kubectl</code>&#x547D;&#x4EE4;&#xFF09;&#x65F6;&#xFF0C;apiserver &#x4F1A;&#x5C06;&#x60A8;&#x8BA4;&#x8BC1;&#x4E3A;&#x4E00;&#x4E2A;&#x7279;&#x5B9A;&#x7684; User Account&#xFF08;&#x76EE;&#x524D;&#x901A;&#x5E38;&#x662F;<code>admin</code>&#xFF0C;&#x9664;&#x975E;&#x60A8;&#x7684;&#x7CFB;&#x7EDF;&#x7BA1;&#x7406;&#x5458;&#x81EA;&#x5B9A;&#x4E49;&#x4E86;&#x96C6;&#x7FA4;&#x914D;&#x7F6E;&#xFF09;&#x3002;Pod &#x5BB9;&#x5668;&#x4E2D;&#x7684;&#x8FDB;&#x7A0B;&#x4E5F;&#x53EF;&#x4EE5;&#x4E0E; apiserver &#x8054;&#x7CFB;&#x3002; &#x5F53;&#x5B83;&#x4EEC;&#x5728;&#x8054;&#x7CFB; apiserver &#x7684;&#x65F6;&#x5019;&#xFF0C;&#x5B83;&#x4EEC;&#x4F1A;&#x88AB;&#x8BA4;&#x8BC1;&#x4E3A;&#x4E00;&#x4E2A;&#x7279;&#x5B9A;&#x7684; Service Account&#xFF08;&#x4F8B;&#x5982;<code>default</code>&#xFF09;&#x3002;</p>
<h2 id="&#x4F7F;&#x7528;&#x9ED8;&#x8BA4;&#x7684;-service-account-&#x8BBF;&#x95EE;-api-server">&#x4F7F;&#x7528;&#x9ED8;&#x8BA4;&#x7684; Service Account &#x8BBF;&#x95EE; API server</h2>
<p>&#x5F53;&#x60A8;&#x521B;&#x5EFA; pod &#x7684;&#x65F6;&#x5019;&#xFF0C;&#x5982;&#x679C;&#x60A8;&#x6CA1;&#x6709;&#x6307;&#x5B9A;&#x4E00;&#x4E2A; service account&#xFF0C;&#x7CFB;&#x7EDF;&#x4F1A;&#x81EA;&#x52A8;&#x5F97;&#x5728;&#x4E0E;&#x8BE5;pod &#x76F8;&#x540C;&#x7684; namespace &#x4E0B;&#x4E3A;&#x5176;&#x6307;&#x6D3E;&#x4E00;&#x4E2A;<code>default</code> service account&#x3002;&#x5982;&#x679C;&#x60A8;&#x83B7;&#x53D6;&#x521A;&#x521B;&#x5EFA;&#x7684; pod &#x7684;&#x539F;&#x59CB; json &#x6216; yaml &#x4FE1;&#x606F;&#xFF08;&#x4F8B;&#x5982;&#x4F7F;&#x7528;<code>kubectl get pods/podename -o yaml</code>&#x547D;&#x4EE4;&#xFF09;&#xFF0C;&#x60A8;&#x5C06;&#x770B;&#x5230;<code>spec.serviceAccountName</code>&#x5B57;&#x6BB5;&#x5DF2;&#x7ECF;&#x88AB;&#x8BBE;&#x7F6E;&#x4E3A; <a href="https://kubernetes.io/docs/user-guide/working-with-resources/#resources-are-automatically-modified" target="_blank">automatically set</a> &#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x5728; pod &#x4E2D;&#x4F7F;&#x7528;&#x81EA;&#x52A8;&#x6302;&#x8F7D;&#x7684; service account &#x51ED;&#x8BC1;&#x6765;&#x8BBF;&#x95EE; API&#xFF0C;&#x5982; <a href="https://kubernetes.io/docs/user-guide/accessing-the-cluster/#accessing-the-api-from-a-pod" target="_blank">Accessing the Cluster</a> &#x4E2D;&#x6240;&#x63CF;&#x8FF0;&#x3002;</p>
<p>Service account &#x662F;&#x5426;&#x80FD;&#x591F;&#x53D6;&#x5F97;&#x8BBF;&#x95EE; API &#x7684;&#x8BB8;&#x53EF;&#x53D6;&#x51B3;&#x4E8E;&#x60A8;&#x4F7F;&#x7528;&#x7684; <a href="https://kubernetes.io/docs/admin/authorization/#a-quick-note-on-service-accounts" target="_blank">&#x6388;&#x6743;&#x63D2;&#x4EF6;&#x548C;&#x7B56;&#x7565;</a>&#x3002;</p>
<p>&#x5728; 1.6 &#x4EE5;&#x4E0A;&#x7248;&#x672C;&#x4E2D;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x9009;&#x62E9;&#x53D6;&#x6D88;&#x4E3A; service account &#x81EA;&#x52A8;&#x6302;&#x8F7D; API &#x51ED;&#x8BC1;&#xFF0C;&#x53EA;&#x9700;&#x5728; service account &#x4E2D;&#x8BBE;&#x7F6E; <code>automountServiceAccountToken: false</code>&#xFF1A;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ServiceAccount
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> build-robot
<span class="hljs-attr">automountServiceAccountToken:</span> <span class="hljs-literal">false</span>
...
</code></pre>
<p>&#x5728; 1.6 &#x4EE5;&#x4E0A;&#x7248;&#x672C;&#x4E2D;&#xFF0C;&#x60A8;&#x4E5F;&#x53EF;&#x4EE5;&#x9009;&#x62E9;&#x53EA;&#x53D6;&#x6D88;&#x5355;&#x4E2A; pod &#x7684; API &#x51ED;&#x8BC1;&#x81EA;&#x52A8;&#x6302;&#x8F7D;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> my-pod
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> serviceAccountName:</span> build-robot
<span class="hljs-attr"> automountServiceAccountToken:</span> <span class="hljs-literal">false</span>
...
</code></pre>
<p>&#x5982;&#x679C;&#x5728; pod &#x548C; service account &#x4E2D;&#x540C;&#x65F6;&#x8BBE;&#x7F6E;&#x4E86; <code>automountServiceAccountToken</code> , pod &#x8BBE;&#x7F6E;&#x4E2D;&#x7684;&#x4F18;&#x5148;&#x7EA7;&#x66F4;&#x9AD8;&#x3002;</p>
<h2 id="&#x4F7F;&#x7528;&#x591A;&#x4E2A;service-account">&#x4F7F;&#x7528;&#x591A;&#x4E2A;Service Account</h2>
<p>&#x6BCF;&#x4E2A; namespace &#x4E2D;&#x90FD;&#x6709;&#x4E00;&#x4E2A;&#x9ED8;&#x8BA4;&#x7684;&#x53EB;&#x505A; <code>default</code> &#x7684; service account &#x8D44;&#x6E90;&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x4EE5;&#x4E0B;&#x547D;&#x4EE4;&#x5217;&#x51FA; namespace &#x4E0B;&#x7684;&#x6240;&#x6709; serviceAccount &#x8D44;&#x6E90;&#x3002;</p>
<pre><code class="lang-bash">$ kubectl get serviceAccounts
NAME SECRETS AGE
default 1 1d
</code></pre>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x50CF;&#x8FD9;&#x6837;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; ServiceAccount &#x5BF9;&#x8C61;&#xFF1A;</p>
<pre><code class="lang-bash">$ cat &gt; /tmp/serviceaccount.yaml &lt;&lt;EOF
apiVersion: v1
kind: ServiceAccount
metadata:
name: build-robot
EOF
$ kubectl create <span class="hljs-_">-f</span> /tmp/serviceaccount.yaml
serviceaccount <span class="hljs-string">&quot;build-robot&quot;</span> created
</code></pre>
<p>&#x5982;&#x679C;&#x60A8;&#x770B;&#x5230;&#x5982;&#x4E0B;&#x7684; service account &#x5BF9;&#x8C61;&#x7684;&#x5B8C;&#x6574;&#x8F93;&#x51FA;&#x4FE1;&#x606F;&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get serviceaccounts/build-robot -o yaml
apiVersion: v1
kind: ServiceAccount
metadata:
creationTimestamp: 2015-06-16T00:12:59Z
name: build-robot
namespace: default
resourceVersion: <span class="hljs-string">&quot;272500&quot;</span>
selfLink: /api/v1/namespaces/default/serviceaccounts/build-robot
uid: 721ab723-13bc-11e5-aec2-42010af0021e
secrets:
- name: build-robot-token-bvbk5
</code></pre>
<p>&#x7136;&#x540E;&#x60A8;&#x5C06;&#x770B;&#x5230;&#x6709;&#x4E00;&#x4E2A; token &#x5DF2;&#x7ECF;&#x88AB;&#x81EA;&#x52A8;&#x521B;&#x5EFA;&#xFF0C;&#x5E76;&#x88AB; service account &#x5F15;&#x7528;&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x6388;&#x6743;&#x63D2;&#x4EF6;&#x6765; <a href="https://kubernetes.io/docs/admin/authorization/#a-quick-note-on-service-accounts" target="_blank">&#x8BBE;&#x7F6E; service account &#x7684;&#x6743;&#x9650;</a> &#x3002;</p>
<p>&#x8BBE;&#x7F6E;&#x975E;&#x9ED8;&#x8BA4;&#x7684; service account&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x5728; pod &#x7684;<code>spec.serviceAccountName</code> &#x5B57;&#x6BB5;&#x4E2D;&#x5C06;name&#x8BBE;&#x7F6E;&#x4E3A;&#x60A8;&#x60F3;&#x8981;&#x7528;&#x7684; service account &#x540D;&#x5B57;&#x5373;&#x53EF;&#x3002;</p>
<p>&#x5728; pod &#x521B;&#x5EFA;&#x4E4B;&#x521D; service account &#x5C31;&#x5FC5;&#x987B;&#x5DF2;&#x7ECF;&#x5B58;&#x5728;&#xFF0C;&#x5426;&#x5219;&#x521B;&#x5EFA;&#x5C06;&#x88AB;&#x62D2;&#x7EDD;&#x3002;</p>
<p>&#x60A8;&#x4E0D;&#x80FD;&#x66F4;&#x65B0;&#x5DF2;&#x521B;&#x5EFA;&#x7684; pod &#x7684; service account&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x6E05;&#x7406; service account&#xFF0C;&#x5982;&#x4E0B;&#x6240;&#x793A;&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl delete serviceaccount/build-robot
</code></pre>
<h2 id="&#x624B;&#x52A8;&#x521B;&#x5EFA;-service-account-&#x7684;-api-token">&#x624B;&#x52A8;&#x521B;&#x5EFA; service account &#x7684; API token</h2>
<p>&#x5047;&#x8BBE;&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x6709;&#x4E86;&#x4E00;&#x4E2A;&#x5982;&#x4E0A;&#x6587;&#x63D0;&#x5230;&#x7684;&#x540D;&#x4E3A; &#x201D;build-robot&#x201C; &#x7684; service account&#xFF0C;&#x6211;&#x4EEC;&#x624B;&#x52A8;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x65B0;&#x7684; secret&#x3002;</p>
<pre><code class="lang-shell">$ cat &gt; /tmp/build-robot-secret.yaml &lt;&lt;EOF
apiVersion: v1
kind: Secret
metadata:
name: build-robot-secret
annotations:
kubernetes.io/service-account.name: build-robot
type: kubernetes.io/service-account-token
EOF
$ kubectl create -f /tmp/build-robot-secret.yaml
secret &quot;build-robot-secret&quot; created
</code></pre>
<p>&#x73B0;&#x5728;&#x60A8;&#x53EF;&#x4EE5;&#x786E;&#x8BA4;&#x4E0B;&#x65B0;&#x521B;&#x5EFA;&#x7684; secret &#x53D6;&#x4EE3;&#x4E86; &quot;build-robot&quot; &#x8FD9;&#x4E2A; service account &#x539F;&#x6765;&#x7684; API token&#x3002;</p>
<p>&#x6240;&#x6709;&#x5DF2;&#x4E0D;&#x5B58;&#x5728;&#x7684; service account &#x7684; token &#x5C06;&#x88AB; token controller &#x6E05;&#x7406;&#x6389;&#x3002;</p>
<pre><code class="lang-bash">$ kubectl describe secrets/build-robot-secret
Name: build-robot-secret
Namespace: default
Labels: &lt;none&gt;
Annotations: kubernetes.io/service-account.name=build-robot,kubernetes.io/service-account.uid=870ef2a5-35cf-11e5-8d06-005056b45392
Type: kubernetes.io/service-account-token
Data
====
ca.crt: 1220 bytes
token: ...
namespace: 7 bytes
</code></pre>
<blockquote>
<p>&#x6CE8;&#x610F;&#x8BE5;&#x5185;&#x5BB9;&#x4E2D;&#x7684;<code>token</code>&#x88AB;&#x7701;&#x7565;&#x4E86;&#x3002;</p>
</blockquote>
<h2 id="&#x4E3A;-service-account-&#x6DFB;&#x52A0;-imagepullsecret">&#x4E3A; service account &#x6DFB;&#x52A0; ImagePullSecret</h2>
<p>&#x9996;&#x5148;&#xFF0C;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; imagePullSecret&#xFF0C;&#x8BE6;&#x89C1;<a href="https://kubernetes.io/docs/concepts/containers/images/#specifying-imagepullsecrets-on-a-pod" target="_blank">&#x8FD9;&#x91CC;</a>&#x3002;</p>
<p>&#x7136;&#x540E;&#xFF0C;&#x786E;&#x8BA4;&#x5DF2;&#x521B;&#x5EFA;&#x3002;&#x5982;&#xFF1A;</p>
<pre><code class="lang-Bash">$ kubectl get secrets myregistrykey
NAME TYPE DATA AGE
myregistrykey kubernetes.io/.dockerconfigjson 1 1d
</code></pre>
<p>&#x7136;&#x540E;&#xFF0C;&#x4FEE;&#x6539; namespace &#x4E2D;&#x7684;&#x9ED8;&#x8BA4; service account &#x4F7F;&#x7528;&#x8BE5; secret &#x4F5C;&#x4E3A; imagePullSecret&#x3002;</p>
<pre><code class="lang-bash">kubectl patch serviceaccount default -p <span class="hljs-string">&apos;{&quot;imagePullSecrets&quot;: [{&quot;name&quot;: &quot;myregistrykey&quot;}]}&apos;</span>
</code></pre>
<p>Vi &#x4EA4;&#x4E92;&#x8FC7;&#x7A0B;&#x4E2D;&#x9700;&#x8981;&#x624B;&#x52A8;&#x7F16;&#x8F91;&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get serviceaccounts default -o yaml &gt; ./sa.yaml
$ cat sa.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
creationTimestamp: 2015-08-07T22:02:39Z
name: default
namespace: default
resourceVersion: <span class="hljs-string">&quot;243024&quot;</span>
selfLink: /api/v1/namespaces/default/serviceaccounts/default
uid: 052fb0f4-3d50-11e5-b066-42010af0d7b6
secrets:
- name: default-token-uudge
$ vi sa.yaml
[editor session not shown]
[delete line with key <span class="hljs-string">&quot;resourceVersion&quot;</span>]
[add lines with <span class="hljs-string">&quot;imagePullSecret:&quot;</span>]
$ cat sa.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
creationTimestamp: 2015-08-07T22:02:39Z
name: default
namespace: default
selfLink: /api/v1/namespaces/default/serviceaccounts/default
uid: 052fb0f4-3d50-11e5-b066-42010af0d7b6
secrets:
- name: default-token-uudge
imagePullSecrets:
- name: myregistrykey
$ kubectl replace serviceaccount default <span class="hljs-_">-f</span> ./sa.yaml
serviceaccounts/default
</code></pre>
<p>&#x73B0;&#x5728;&#xFF0C;&#x6240;&#x6709;&#x5F53;&#x524D; namespace &#x4E2D;&#x65B0;&#x521B;&#x5EFA;&#x7684; pod &#x7684; spec &#x4E2D;&#x90FD;&#x4F1A;&#x589E;&#x52A0;&#x5982;&#x4E0B;&#x5185;&#x5BB9;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">spec:</span>
<span class="hljs-attr"> imagePullSecrets:</span>
<span class="hljs-attr"> - name:</span> myregistrykey
</code></pre>
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