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<title>client-go示例 · Kubernetes Handbook - jimmysong.io</title>
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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>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
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<li class="chapter " data-level="1.2" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<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>
<li class="chapter " data-level="2.1" data-path="../concepts/">
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<b>2.1.</b>
Kubernetes架构
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<li class="chapter " data-level="2.2" data-path="../concepts/concepts.html">
<a href="../concepts/concepts.html">
<b>2.2.</b>
设计理念
</a>
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<li class="chapter " data-level="2.3" data-path="../concepts/objects.html">
<a href="../concepts/objects.html">
<b>2.3.</b>
资源对象与基本概念解析
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.1" data-path="../concepts/pod-overview.html">
<a href="../concepts/pod-overview.html">
<b>2.3.1.</b>
Pod
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.1.1" data-path="../concepts/pod.html">
<a href="../concepts/pod.html">
<b>2.3.1.1.</b>
Pod解析
</a>
</li>
<li class="chapter " data-level="2.3.1.2" data-path="../concepts/init-containers.html">
<a href="../concepts/init-containers.html">
<b>2.3.1.2.</b>
Init容器
</a>
</li>
<li class="chapter " data-level="2.3.1.3" data-path="../concepts/pod-security-policy.html">
<a href="../concepts/pod-security-policy.html">
<b>2.3.1.3.</b>
Pod安全策略
</a>
</li>
<li class="chapter " data-level="2.3.1.4" data-path="../concepts/pod-lifecycle.html">
<a href="../concepts/pod-lifecycle.html">
<b>2.3.1.4.</b>
Pod的生命周期
</a>
</li>
<li class="chapter " data-level="2.3.1.5" data-path="../concepts/pod-hook.html">
<a href="../concepts/pod-hook.html">
<b>2.3.1.5.</b>
Pod hook
</a>
</li>
<li class="chapter " data-level="2.3.1.6" data-path="../concepts/pod-preset.html">
<a href="../concepts/pod-preset.html">
<b>2.3.1.6.</b>
Pod Preset
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.2" data-path="../concepts/node.html">
<a href="../concepts/node.html">
<b>2.3.2.</b>
Node
</a>
</li>
<li class="chapter " data-level="2.3.3" data-path="../concepts/namespace.html">
<a href="../concepts/namespace.html">
<b>2.3.3.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="2.3.4" data-path="../concepts/service.html">
<a href="../concepts/service.html">
<b>2.3.4.</b>
Service
</a>
</li>
<li class="chapter " data-level="2.3.5" data-path="../concepts/volume.html">
<a href="../concepts/volume.html">
<b>2.3.5.</b>
Volume和Persistent Volume
</a>
</li>
<li class="chapter " data-level="2.3.6" data-path="../concepts/deployment.html">
<a href="../concepts/deployment.html">
<b>2.3.6.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="2.3.7" data-path="../concepts/secret.html">
<a href="../concepts/secret.html">
<b>2.3.7.</b>
Secret
</a>
</li>
<li class="chapter " data-level="2.3.8" data-path="../concepts/statefulset.html">
<a href="../concepts/statefulset.html">
<b>2.3.8.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="2.3.9" data-path="../concepts/daemonset.html">
<a href="../concepts/daemonset.html">
<b>2.3.9.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="2.3.10" data-path="../concepts/serviceaccount.html">
<a href="../concepts/serviceaccount.html">
<b>2.3.10.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="2.3.11" data-path="../concepts/replicaset.html">
<a href="../concepts/replicaset.html">
<b>2.3.11.</b>
ReplicationController和ReplicaSet
</a>
</li>
<li class="chapter " data-level="2.3.12" data-path="../concepts/job.html">
<a href="../concepts/job.html">
<b>2.3.12.</b>
Job
</a>
</li>
<li class="chapter " data-level="2.3.13" data-path="../concepts/cronjob.html">
<a href="../concepts/cronjob.html">
<b>2.3.13.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="2.3.14" data-path="../concepts/ingress.html">
<a href="../concepts/ingress.html">
<b>2.3.14.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.14.1" data-path="../concepts/traefik-ingress-controller.html">
<a href="../concepts/traefik-ingress-controller.html">
<b>2.3.14.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.15" data-path="../concepts/configmap.html">
<a href="../concepts/configmap.html">
<b>2.3.15.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.15.1" data-path="../concepts/configmap-hot-update.html">
<a href="../concepts/configmap-hot-update.html">
<b>2.3.15.1.</b>
ConfigMap的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.16" data-path="../concepts/horizontal-pod-autoscaling.html">
<a href="../concepts/horizontal-pod-autoscaling.html">
<b>2.3.16.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.16.1" data-path="../concepts/custom-metrics-hpa.html">
<a href="../concepts/custom-metrics-hpa.html">
<b>2.3.16.1.</b>
自定义指标HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.17" data-path="../concepts/label.html">
<a href="../concepts/label.html">
<b>2.3.17.</b>
Label
</a>
</li>
<li class="chapter " data-level="2.3.18" data-path="../concepts/garbage-collection.html">
<a href="../concepts/garbage-collection.html">
<b>2.3.18.</b>
垃圾收集
</a>
</li>
<li class="chapter " data-level="2.3.19" data-path="../concepts/network-policy.html">
<a href="../concepts/network-policy.html">
<b>2.3.19.</b>
NetworkPolicy
</a>
</li>
<li class="chapter " data-level="2.3.20" data-path="../concepts/annotation.html">
<a href="../concepts/annotation.html">
<b>2.3.20.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="2.3.21" data-path="../concepts/aggregated-api-server.html">
<a href="../concepts/aggregated-api-server.html">
<b>2.3.21.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="2.3.22" data-path="../concepts/custom-resource.html">
<a href="../concepts/custom-resource.html">
<b>2.3.22.</b>
使用自定义资源扩展API
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="3.1" data-path="../guide/">
<a href="../guide/">
<b>3.1.</b>
用户指南
</a>
</li>
<li class="chapter " data-level="3.2" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
<b>3.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
<b>3.2.1.</b>
配置Pod的liveness和readiness探针
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
<b>3.2.2.</b>
配置Pod的Service Account
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="../guide/secret-configuration.html">
<a href="../guide/secret-configuration.html">
<b>3.2.3.</b>
Secret配置
</a>
</li>
<li class="chapter " data-level="3.2.4" data-path="../guide/resource-quota-management.html">
<a href="../guide/resource-quota-management.html">
<b>3.2.4.</b>
管理namespace中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
<b>3.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="3.3.1" data-path="../guide/docker-cli-to-kubectl.html">
<a href="../guide/docker-cli-to-kubectl.html">
<b>3.3.1.</b>
docker用户过度到kubectl命令行指南
</a>
</li>
<li class="chapter " data-level="3.3.2" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
<b>3.3.2.</b>
kubectl命令概览
</a>
</li>
<li class="chapter " data-level="3.3.3" data-path="../guide/kubectl-cheatsheet.html">
<a href="../guide/kubectl-cheatsheet.html">
<b>3.3.3.</b>
kubectl命令技巧大全
</a>
</li>
<li class="chapter " data-level="3.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
<b>3.3.4.</b>
使用etcdctl访问kuberentes数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.4" data-path="../guide/cluster-security-management.html">
<a href="../guide/cluster-security-management.html">
<b>3.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
<a href="../guide/managing-tls-in-a-cluster.html">
<b>3.4.1.</b>
管理集群中的TLS
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
<b>3.4.2.</b>
kubelet的认证授权
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
<b>3.4.3.</b>
TLS bootstrap
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
<b>3.4.4.</b>
创建用户认证授权的kubeconfig文件
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="../guide/rbac.html">
<a href="../guide/rbac.html">
<b>3.4.5.</b>
RBAC——基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="../guide/ip-masq-agent.html">
<a href="../guide/ip-masq-agent.html">
<b>3.4.6.</b>
IP伪装代理
</a>
</li>
<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">
<b>3.4.7.</b>
使用kubeconfig或token进行用户身份认证
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
<b>3.4.8.</b>
kubernetes中的用户与身份认证授权
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="../guide/access-kubernetes-cluster.html">
<a href="../guide/access-kubernetes-cluster.html">
<b>3.5.</b>
访问Kubernetes集群
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="../guide/access-cluster.html">
<a href="../guide/access-cluster.html">
<b>3.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
<b>3.5.2.</b>
使用kubeconfig文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
<a href="../guide/connecting-to-applications-port-forward.html">
<b>3.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="../guide/service-access-application-cluster.html">
<a href="../guide/service-access-application-cluster.html">
<b>3.5.4.</b>
使用service访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<a href="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<b>3.5.5.</b>
从外部访问Kubernetes中的Pod
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="../guide/carbin-mobile-dashboard-for-kubernetes.html">
<a href="../guide/carbin-mobile-dashboard-for-kubernetes.html">
<b>3.5.6.</b>
Carbin - Kuberentes手机客户端
</a>
</li>
<li class="chapter " data-level="3.5.7" data-path="../guide/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>3.5.7.</b>
Kubernetic - Kubernetes桌面客户端
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="../guide/application-development-deployment-flow.html">
<a href="../guide/application-development-deployment-flow.html">
<b>3.6.</b>
在kubernetes中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
<a href="../guide/deploy-applications-in-kubernetes.html">
<b>3.6.1.</b>
适用于kubernetes的应用开发部署流程
</a>
</li>
<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">
<b>3.6.2.</b>
迁移传统应用到kubernetes中——以Hadoop YARN为例
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="../guide/using-statefulset.html">
<a href="../guide/using-statefulset.html">
<b>3.6.3.</b>
使用StatefulSet部署用状态应用
</a>
</li>
</ul>
</li>
<li class="header">最佳实践</li>
<li class="chapter " data-level="4.1" data-path="../practice/">
<a href="../practice/">
<b>4.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="4.2" data-path="../practice/install-kbernetes1.6-on-centos.html">
<a href="../practice/install-kbernetes1.6-on-centos.html">
<b>4.2.</b>
在CentOS上部署kubernetes1.6集群
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>4.2.1.</b>
创建TLS证书和秘钥
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>4.2.2.</b>
创建kubeconfig文件
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>4.2.3.</b>
创建高可用etcd集群
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>4.2.4.</b>
安装kubectl命令行工具
</a>
</li>
<li class="chapter " data-level="4.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>4.2.5.</b>
部署master节点
</a>
</li>
<li class="chapter " data-level="4.2.6" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>4.2.6.</b>
部署node节点
</a>
</li>
<li class="chapter " data-level="4.2.7" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>4.2.7.</b>
安装kubedns插件
</a>
</li>
<li class="chapter " data-level="4.2.8" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>4.2.8.</b>
安装dashboard插件
</a>
</li>
<li class="chapter " data-level="4.2.9" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>4.2.9.</b>
安装heapster插件
</a>
</li>
<li class="chapter " data-level="4.2.10" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>4.2.10.</b>
安装EFK插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>4.3.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>4.3.1.</b>
安装Traefik ingress
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>4.3.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>4.3.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>4.3.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="4.3.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>4.3.5.</b>
安装Nginx ingress
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>4.4.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>4.4.1.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>4.4.2.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>4.4.3.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>4.4.4.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>4.4.5.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>4.4.6.</b>
管理容器的计算资源
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>4.5.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>4.5.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>4.5.1.1.</b>
使用GlusterFS做持久化存储
</a>
</li>
<li class="chapter " data-level="4.5.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>4.5.1.2.</b>
在OpenShift中使用GlusterFS做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5.2" data-path="../practice/cephfs.html">
<a href="../practice/cephfs.html">
<b>4.5.2.</b>
CephFS
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>4.5.2.1.</b>
使用Ceph做持久化存储
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>4.6.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>4.6.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>4.6.1.1.</b>
使用Heapster获取集群和对象的metric数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>4.6.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>4.6.2.1.</b>
使用Prometheus监控kubernetes集群
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.7" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>4.7.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>4.7.1.</b>
使用Helm管理kubernetes应用
</a>
</li>
<li class="chapter " data-level="4.7.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>4.7.2.</b>
构建私有Chart仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.8" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>4.8.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="4.8.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>4.8.1.</b>
使用Jenkins进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="4.8.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>4.8.2.</b>
使用Drone进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.9" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>4.9.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="4.9.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>4.9.1.</b>
手动升级kubernetes集群
</a>
</li>
<li class="chapter " data-level="4.9.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>4.9.2.</b>
升级dashboard
</a>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="5.1" data-path="../usecases/">
<a href="../usecases/">
<b>5.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>5.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>5.2.1.</b>
微服务中的服务发现
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>5.3.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>5.3.1.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>5.3.1.1.</b>
安装并试用Istio service mesh
</a>
</li>
<li class="chapter " data-level="5.3.1.2" data-path="../usecases/configuring-request-routing.html">
<a href="../usecases/configuring-request-routing.html">
<b>5.3.1.2.</b>
配置请求的路由规则
</a>
</li>
<li class="chapter " data-level="5.3.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
<a href="../usecases/install-and-expand-istio-mesh.html">
<b>5.3.1.3.</b>
安装和拓展Istio service mesh
</a>
</li>
<li class="chapter " data-level="5.3.1.4" data-path="../usecases/integrating-vms.html">
<a href="../usecases/integrating-vms.html">
<b>5.3.1.4.</b>
集成虚拟机
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3.2" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>5.3.2.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.2.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>5.3.2.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3.3" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>5.3.3.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.3.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>5.3.3.1.</b>
Condiut概览
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>5.4.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>5.4.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>5.4.2.</b>
运行支持kubernetes原生调度的Spark程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>5.5.</b>
Serverless架构
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>5.5.1.</b>
理解Serverless
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>5.6.</b>
边缘计算
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="6.1" data-path="./">
<a href="./">
<b>6.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="sigs-and-working-group.html">
<a href="sigs-and-working-group.html">
<b>6.2.</b>
SIG和工作组
</a>
</li>
<li class="chapter " data-level="6.3" data-path="developing-environment.html">
<a href="developing-environment.html">
<b>6.3.</b>
开发环境搭建
</a>
</li>
<li class="chapter " data-level="6.4" data-path="testing.html">
<a href="testing.html">
<b>6.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter active" data-level="6.5" data-path="client-go-sample.html">
<a href="client-go-sample.html">
<b>6.5.</b>
client-go示例
</a>
</li>
<li class="chapter " data-level="6.6" data-path="contribute.html">
<a href="contribute.html">
<b>6.6.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="6.7" data-path="minikube.html">
<a href="minikube.html">
<b>6.7.</b>
Minikube
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="7.1" data-path="../appendix/">
<a href="../appendix/">
<b>7.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>7.2.</b>
Kubernetes中的应用故障排查
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>7.3.</b>
Kubernetes相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="7.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>7.4.</b>
Docker最佳实践
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>7.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>7.6.</b>
问题记录
</a>
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<a href=".." >client-go示例</a>
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<h1 id="client-go&#x793A;&#x4F8B;">client-go&#x793A;&#x4F8B;</h1>
<p>&#x8BBF;&#x95EE;kubernetes&#x96C6;&#x7FA4;&#x6709;&#x51E0;&#x4E0B;&#x51E0;&#x79CD;&#x65B9;&#x5F0F;&#xFF1A;</p>
<table>
<thead>
<tr>
<th>&#x65B9;&#x5F0F;</th>
<th>&#x7279;&#x70B9;</th>
<th>&#x652F;&#x6301;&#x8005;</th>
</tr>
</thead>
<tbody>
<tr>
<td>Kubernetes dashboard</td>
<td>&#x76F4;&#x63A5;&#x901A;&#x8FC7;Web UI&#x8FDB;&#x884C;&#x64CD;&#x4F5C;&#xFF0C;&#x7B80;&#x5355;&#x76F4;&#x63A5;&#xFF0C;&#x53EF;&#x5B9A;&#x5236;&#x5316;&#x7A0B;&#x5EA6;&#x4F4E;</td>
<td>&#x5B98;&#x65B9;&#x652F;&#x6301;</td>
</tr>
<tr>
<td>kubectl</td>
<td>&#x547D;&#x4EE4;&#x884C;&#x64CD;&#x4F5C;&#xFF0C;&#x529F;&#x80FD;&#x6700;&#x5168;&#xFF0C;&#x4F46;&#x662F;&#x6BD4;&#x8F83;&#x590D;&#x6742;&#xFF0C;&#x9002;&#x5408;&#x5BF9;&#x5176;&#x8FDB;&#x884C;&#x8FDB;&#x4E00;&#x6B65;&#x7684;&#x5206;&#x88C5;&#xFF0C;&#x5B9A;&#x5236;&#x529F;&#x80FD;&#xFF0C;&#x7248;&#x672C;&#x9002;&#x914D;&#x6700;&#x597D;</td>
<td>&#x5B98;&#x65B9;&#x652F;&#x6301;</td>
</tr>
<tr>
<td><a href="https://github.com/kubernetes/client-go" target="_blank">client-go</a></td>
<td>&#x4ECE;kubernetes&#x7684;&#x4EE3;&#x7801;&#x4E2D;&#x62BD;&#x79BB;&#x51FA;&#x6765;&#x7684;&#x5BA2;&#x6237;&#x7AEF;&#x5305;&#xFF0C;&#x7B80;&#x5355;&#x6613;&#x7528;&#xFF0C;&#x4F46;&#x9700;&#x8981;&#x5C0F;&#x5FC3;&#x533A;&#x5206;kubernetes&#x7684;API&#x7248;&#x672C;</td>
<td>&#x5B98;&#x65B9;&#x652F;&#x6301;</td>
</tr>
<tr>
<td><a href="https://github.com/kubernetes-incubator/client-python" target="_blank">client-python</a></td>
<td>python&#x5BA2;&#x6237;&#x7AEF;&#xFF0C;kubernetes-incubator</td>
<td>&#x5B98;&#x65B9;&#x652F;&#x6301;</td>
</tr>
<tr>
<td><a href="https://github.com/fabric8io/kubernetes-client" target="_blank">Java client</a></td>
<td>fabric8&#x4E2D;&#x7684;&#x4E00;&#x90E8;&#x5206;&#xFF0C;kubernetes&#x7684;java&#x5BA2;&#x6237;&#x7AEF;</td>
<td>redhat</td>
</tr>
</tbody>
</table>
<p>&#x4E0B;&#x9762;&#xFF0C;&#x6211;&#x4EEC;&#x57FA;&#x4E8E;<a href="https://github.com/kubernetes/client-go" target="_blank">client-go</a>&#xFF0C;&#x5BF9;Deployment&#x5347;&#x7EA7;&#x955C;&#x50CF;&#x7684;&#x6B65;&#x9AA4;&#x8FDB;&#x884C;&#x4E86;&#x5B9A;&#x5236;&#xFF0C;&#x901A;&#x8FC7;&#x547D;&#x4EE4;&#x884C;&#x4F20;&#x9012;&#x4E00;&#x4E2A;Deployment&#x7684;&#x540D;&#x5B57;&#x3001;&#x5E94;&#x7528;&#x5BB9;&#x5668;&#x540D;&#x548C;&#x65B0;image&#x540D;&#x5B57;&#x7684;&#x65B9;&#x5F0F;&#x6765;&#x5347;&#x7EA7;&#x3002;&#x4EE3;&#x7801;&#x548C;&#x4F7F;&#x7528;&#x65B9;&#x5F0F;&#x89C1; <a href="https://github.com/rootsongjc/kubernetes-client-go-sample" target="_blank">https://github.com/rootsongjc/kubernetes-client-go-sample</a> &#x3002;</p>
<h2 id="kubernetes-client-go-sample">kubernetes-client-go-sample</h2>
<p>&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-Go"><span class="hljs-keyword">package</span> main
<span class="hljs-keyword">import</span> (
<span class="hljs-string">&quot;flag&quot;</span>
<span class="hljs-string">&quot;fmt&quot;</span>
<span class="hljs-string">&quot;os&quot;</span>
<span class="hljs-string">&quot;path/filepath&quot;</span>
<span class="hljs-string">&quot;k8s.io/apimachinery/pkg/api/errors&quot;</span>
metav1 <span class="hljs-string">&quot;k8s.io/apimachinery/pkg/apis/meta/v1&quot;</span>
<span class="hljs-string">&quot;k8s.io/client-go/kubernetes&quot;</span>
<span class="hljs-string">&quot;k8s.io/client-go/tools/clientcmd&quot;</span>
)
<span class="hljs-keyword">func</span> main() {
<span class="hljs-keyword">var</span> kubeconfig *<span class="hljs-keyword">string</span>
<span class="hljs-keyword">if</span> home := homeDir(); home != <span class="hljs-string">&quot;&quot;</span> {
kubeconfig = flag.String(<span class="hljs-string">&quot;kubeconfig&quot;</span>, filepath.Join(home, <span class="hljs-string">&quot;.kube&quot;</span>, <span class="hljs-string">&quot;config&quot;</span>), <span class="hljs-string">&quot;(optional) absolute path to the kubeconfig file&quot;</span>)
} <span class="hljs-keyword">else</span> {
kubeconfig = flag.String(<span class="hljs-string">&quot;kubeconfig&quot;</span>, <span class="hljs-string">&quot;&quot;</span>, <span class="hljs-string">&quot;absolute path to the kubeconfig file&quot;</span>)
}
deploymentName := flag.String(<span class="hljs-string">&quot;deployment&quot;</span>, <span class="hljs-string">&quot;&quot;</span>, <span class="hljs-string">&quot;deployment name&quot;</span>)
imageName := flag.String(<span class="hljs-string">&quot;image&quot;</span>, <span class="hljs-string">&quot;&quot;</span>, <span class="hljs-string">&quot;new image name&quot;</span>)
appName := flag.String(<span class="hljs-string">&quot;app&quot;</span>, <span class="hljs-string">&quot;app&quot;</span>, <span class="hljs-string">&quot;application name&quot;</span>)
flag.Parse()
<span class="hljs-keyword">if</span> *deploymentName == <span class="hljs-string">&quot;&quot;</span> {
fmt.Println(<span class="hljs-string">&quot;You must specify the deployment name.&quot;</span>)
os.Exit(<span class="hljs-number">0</span>)
}
<span class="hljs-keyword">if</span> *imageName == <span class="hljs-string">&quot;&quot;</span> {
fmt.Println(<span class="hljs-string">&quot;You must specify the new image name.&quot;</span>)
os.Exit(<span class="hljs-number">0</span>)
}
<span class="hljs-comment">// use the current context in kubeconfig</span>
config, err := clientcmd.BuildConfigFromFlags(<span class="hljs-string">&quot;&quot;</span>, *kubeconfig)
<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
<span class="hljs-built_in">panic</span>(err.Error())
}
<span class="hljs-comment">// create the clientset</span>
clientset, err := kubernetes.NewForConfig(config)
<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
<span class="hljs-built_in">panic</span>(err.Error())
}
deployment, err := clientset.AppsV1beta1().Deployments(<span class="hljs-string">&quot;default&quot;</span>).Get(*deploymentName, metav1.GetOptions{})
<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
<span class="hljs-built_in">panic</span>(err.Error())
}
<span class="hljs-keyword">if</span> errors.IsNotFound(err) {
fmt.Printf(<span class="hljs-string">&quot;Deployment not found\n&quot;</span>)
} <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> statusError, isStatus := err.(*errors.StatusError); isStatus {
fmt.Printf(<span class="hljs-string">&quot;Error getting deployment%v\n&quot;</span>, statusError.ErrStatus.Message)
} <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
<span class="hljs-built_in">panic</span>(err.Error())
} <span class="hljs-keyword">else</span> {
fmt.Printf(<span class="hljs-string">&quot;Found deployment\n&quot;</span>)
name := deployment.GetName()
fmt.Println(<span class="hljs-string">&quot;name -&gt;&quot;</span>, name)
containers := &amp;deployment.Spec.Template.Spec.Containers
found := <span class="hljs-literal">false</span>
<span class="hljs-keyword">for</span> i := <span class="hljs-keyword">range</span> *containers {
c := *containers
<span class="hljs-keyword">if</span> c[i].Name == *appName {
found = <span class="hljs-literal">true</span>
fmt.Println(<span class="hljs-string">&quot;Old image -&gt;&quot;</span>, c[i].Image)
fmt.Println(<span class="hljs-string">&quot;New image -&gt;&quot;</span>, *imageName)
c[i].Image = *imageName
}
}
<span class="hljs-keyword">if</span> found == <span class="hljs-literal">false</span> {
fmt.Println(<span class="hljs-string">&quot;The application container not exist in the deployment pods.&quot;</span>)
os.Exit(<span class="hljs-number">0</span>)
}
_, err := clientset.AppsV1beta1().Deployments(<span class="hljs-string">&quot;default&quot;</span>).Update(deployment)
<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
<span class="hljs-built_in">panic</span>(err.Error())
}
}
}
<span class="hljs-keyword">func</span> homeDir() <span class="hljs-keyword">string</span> {
<span class="hljs-keyword">if</span> h := os.Getenv(<span class="hljs-string">&quot;HOME&quot;</span>); h != <span class="hljs-string">&quot;&quot;</span> {
<span class="hljs-keyword">return</span> h
}
<span class="hljs-keyword">return</span> os.Getenv(<span class="hljs-string">&quot;USERPROFILE&quot;</span>) <span class="hljs-comment">// windows</span>
}
</code></pre>
<p>&#x6211;&#x4EEC;&#x4F7F;&#x7528;<code>kubeconfig</code>&#x6587;&#x4EF6;&#x8BA4;&#x8BC1;&#x8FDE;&#x63A5;kubernetes&#x96C6;&#x7FA4;&#xFF0C;&#x8BE5;&#x6587;&#x4EF6;&#x9ED8;&#x8BA4;&#x7684;&#x4F4D;&#x7F6E;&#x662F;<code>$HOME/.kube/config</code>&#x3002;</p>
<p>&#x8BE5;&#x4EE3;&#x7801;&#x7F16;&#x8BD1;&#x540E;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x5728;kubernetes&#x96C6;&#x7FA4;&#x4E4B;&#x5916;&#xFF0C;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;&#x53EF;&#x4EE5;&#x8FDE;&#x63A5;&#x5230;API server&#x7684;&#x673A;&#x5668;&#x4E0A;&#x8FD0;&#x884C;&#x3002;</p>
<p><strong>&#x7F16;&#x8BD1;&#x8FD0;&#x884C;</strong></p>
<pre><code class="lang-bash">$ go get github.com/rootsongjc/kubernetes-client-go-sample
$ <span class="hljs-built_in">cd</span> <span class="hljs-variable">$GOPATH</span>/src/github.com/rootsongjc/kubernetes-client-go-sample
$ make
$ ./update-deployment-image -h
Usage of ./update-deployment-image:
-alsologtostderr
<span class="hljs-built_in">log</span> to standard error as well as files
-app string
application name (default <span class="hljs-string">&quot;app&quot;</span>)
-deployment string
deployment name
-image string
new image name
-kubeconfig string
(optional) absolute path to the kubeconfig file (default <span class="hljs-string">&quot;/Users/jimmy/.kube/config&quot;</span>)
-log_backtrace_at value
when logging hits line file:N, emit a stack trace
-log_dir string
If non-empty, write <span class="hljs-built_in">log</span> files <span class="hljs-keyword">in</span> this directory
-logtostderr
<span class="hljs-built_in">log</span> to standard error instead of files
-stderrthreshold value
logs at or above this threshold go to stderr
-v value
<span class="hljs-built_in">log</span> level <span class="hljs-keyword">for</span> V logs
-vmodule value
comma-separated list of pattern=N settings <span class="hljs-keyword">for</span> file-filtered logging
</code></pre>
<p><strong>&#x4F7F;&#x7528;&#x4E0D;&#x5B58;&#x5728;&#x7684;image&#x66F4;&#x65B0;</strong></p>
<pre><code class="lang-bash"> $ ./update-deployment-image -deployment filebeat-test -image sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_9
Found deployment
name -&gt; filebeat-test
Old image -&gt; sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_8
New image -&gt; sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_9
</code></pre>
<p>&#x67E5;&#x770B;Deployment&#x7684;event&#x3002;</p>
<pre><code class="lang-Bash">$ kubectl describe deployment filebeat-test
Name: filebeat-test
Namespace: default
CreationTimestamp: Fri, 19 May 2017 15:12:28 +0800
Labels: k8s-app=filebeat-test
Selector: k8s-app=filebeat-test
Replicas: 2 updated | 3 total | 2 available | 2 unavailable
StrategyType: RollingUpdate
M<span class="hljs-keyword">in</span>ReadySeconds: 0
RollingUpdateStrategy: 1 max unavailable, 1 max surge
Conditions:
Type Status Reason
---- ------ ------
Available True MinimumReplicasAvailable
Progressing True ReplicaSetUpdated
OldReplicaSets: filebeat-test-2365467882 (2/2 replicas created)
NewReplicaSet: filebeat-test-2470325483 (2/2 replicas created)
Events:
FirstSeen LastSeen Count From SubObjectPath Type ReasoMessage
--------- -------- ----- ---- ------------- -------- ------------
2h 1m 3 {deployment-controller } Normal ScalingReplicaSet Scaled down replica <span class="hljs-built_in">set</span> filebeat-test-2365467882 to 2
1m 1m 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica <span class="hljs-built_in">set</span> filebeat-test-2470325483 to 1
1m 1m 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica <span class="hljs-built_in">set</span> filebeat-test-2470325483 to 2
</code></pre>
<p>&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x8001;&#x7684;ReplicaSet&#x4ECE;3&#x4E2A;replica&#x51CF;&#x5C11;&#x5230;&#x4E86;2&#x4E2A;&#xFF0C;&#x6709;2&#x4E2A;&#x4F7F;&#x7528;&#x65B0;&#x914D;&#x7F6E;&#x7684;replica&#x4E0D;&#x53EF;&#x7528;&#xFF0C;&#x76EE;&#x524D;&#x53EF;&#x7528;&#x7684;replica&#x662F;2&#x4E2A;&#x3002;</p>
<p>&#x8FD9;&#x662F;&#x56E0;&#x4E3A;&#x6211;&#x4EEC;&#x6307;&#x5B9A;&#x7684;&#x955C;&#x50CF;&#x4E0D;&#x5B58;&#x5728;&#xFF0C;&#x67E5;&#x770B;Deployment&#x7684;pod&#x7684;&#x72B6;&#x6001;&#x3002;</p>
<pre><code class="lang-bash">$ kubectl get pods <span class="hljs-_">-l</span> k8s-app=filebeat-test
NAME READY STATUS RESTARTS AGE
filebeat-test-2365467882-4zwx8 2/2 Running 0 33d
filebeat-test-2365467882-rqskl 2/2 Running 0 33d
filebeat-test-2470325483-6vjbw 1/2 ImagePullBackOff 0 4m
filebeat-test-2470325483-gc14k 1/2 ImagePullBackOff 0 4m
</code></pre>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x6709;&#x4E24;&#x4E2A;pod&#x6B63;&#x5728;&#x62C9;&#x53D6;image&#x3002;</p>
<p><strong>&#x8FD8;&#x539F;&#x4E3A;&#x539F;&#x5148;&#x7684;&#x955C;&#x50CF;</strong></p>
<p>&#x5C06;image&#x8BBE;&#x7F6E;&#x4E3A;&#x539F;&#x6765;&#x7684;&#x955C;&#x50CF;&#x3002;</p>
<pre><code class="lang-bash">$ ./update-deployment-image -deployment filebeat-test -image sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_8
Found deployment
name -&gt; filebeat-test
Old image -&gt; sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_9
New image -&gt; sz-pg-oam-docker-hub-001.tendcloud.com/library/analytics-docker-test:Build_8
</code></pre>
<p>&#x73B0;&#x5728;&#x518D;&#x67E5;&#x770B;Deployment&#x7684;&#x72B6;&#x6001;&#x3002;</p>
<pre><code class="lang-bash">$ kubectl describe deployment filebeat-test
Name: filebeat-test
Namespace: default
CreationTimestamp: Fri, 19 May 2017 15:12:28 +0800
Labels: k8s-app=filebeat-test
Selector: k8s-app=filebeat-test
Replicas: 3 updated | 3 total | 3 available | 0 unavailable
StrategyType: RollingUpdate
M<span class="hljs-keyword">in</span>ReadySeconds: 0
RollingUpdateStrategy: 1 max unavailable, 1 max surge
Conditions:
Type Status Reason
---- ------ ------
Available True MinimumReplicasAvailable
Progressing True NewReplicaSetAvailable
OldReplicaSets: &lt;none&gt;
NewReplicaSet: filebeat-test-2365467882 (3/3 replicas created)
Events:
FirstSeen LastSeen Count From SubObjectPath Type ReasoMessage
--------- -------- ----- ---- ------------- -------- ------------
2h 8m 3 {deployment-controller } Normal ScalingReplicaSet Scaled down replica <span class="hljs-built_in">set</span> filebeat-test-2365467882 to 2
8m 8m 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica <span class="hljs-built_in">set</span> filebeat-test-2470325483 to 1
8m 8m 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica <span class="hljs-built_in">set</span> filebeat-test-2470325483 to 2
2h 1m 3 {deployment-controller } Normal ScalingReplicaSet Scaled up replica <span class="hljs-built_in">set</span> filebeat-test-2365467882 to 3
1m 1m 1 {deployment-controller } Normal ScalingReplicaSet Scaled down replica <span class="hljs-built_in">set</span> filebeat-test-2470325483 to 0
</code></pre>
<p>&#x53EF;&#x4EE5;&#x770B;&#x5230;available&#x7684;replica&#x4E2A;&#x6570;&#x6062;&#x590D;&#x6210;3&#x4E86;&#x3002;</p>
<p>&#x5176;&#x5B9E;&#x5728;&#x4F7F;&#x7528;&#x8BE5;&#x547D;&#x4EE4;&#x7684;&#x8FC7;&#x7A0B;&#x4E2D;&#xFF0C;&#x901A;&#x8FC7;kubernetes dashboard&#x7684;&#x9875;&#x9762;&#x4E0A;&#x67E5;&#x770B;Deployment&#x7684;&#x72B6;&#x6001;&#x66F4;&#x76F4;&#x89C2;&#xFF0C;&#x66F4;&#x52A0;&#x65B9;&#x4FBF;&#x6545;&#x969C;&#x6392;&#x67E5;&#x3002;</p>
<figure id="fig6.5.1"><img src="../images/kubernetes-client-go-sample-update.jpg" alt="&#x4F7F;&#x7528;kubernetes dashboard&#x8FDB;&#x884C;&#x6545;&#x969C;&#x6392;&#x67E5;"><figcaption>&#x56FE;&#x7247; - &#x4F7F;&#x7528;kubernetes dashboard&#x8FDB;&#x884C;&#x6545;&#x969C;&#x6392;&#x67E5;</figcaption></figure>
<p>&#x8FD9;&#x4E5F;&#x662F;dashboard&#x6700;&#x5927;&#x7684;&#x4F18;&#x52BF;&#xFF0C;&#x7B80;&#x5355;&#x3001;&#x76F4;&#x63A5;&#x3001;&#x9AD8;&#x6548;&#x3002; </p>
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_CAPTION_","label":"filebeat日志收集架构图","attributes":{},"skip":false,"key":"1.2.7"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.8","level":"1.2","list_caption":"Figure: API文档","alt":"API文档","nro":8,"url":"../images/k8s-app-monitor-test-api-doc.jpg","index":8,"caption_template":"图片 - _CAPTION_","label":"API文档","attributes":{},"skip":false,"key":"1.2.8"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.9","level":"1.2","list_caption":"Figure: 迁移步骤示意图","alt":"迁移步骤示意图","nro":9,"url":"../images/migrating-hadoop-yarn-to-kubernetes.png","index":9,"caption_template":"图片 - _CAPTION_","label":"迁移步骤示意图","attributes":{},"skip":false,"key":"1.2.9"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.10","level":"1.2","list_caption":"Figure: service mesh架构图","alt":"service mesh架构图","nro":10,"url":"../images/serivce-mesh-control-plane.png","index":10,"caption_template":"图片 - _CAPTION_","label":"service mesh架构图","attributes":{},"skip":false,"key":"1.2.10"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.11","level":"1.2","list_caption":"Figure: kibana界面","alt":"kibana界面","nro":11,"url":"../images/filebeat-docker-test.jpg","index":11,"caption_template":"图片 - _CAPTION_","label":"kibana界面","attributes":{},"skip":false,"key":"1.2.11"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.12","level":"1.2","list_caption":"Figure: Grafana界面示意图1","alt":"Grafana界面示意图1","nro":12,"url":"../images/kubernetes-devops-example-grafana-1.png","index":12,"caption_template":"图片 - _CAPTION_","label":"Grafana界面示意图1","attributes":{},"skip":false,"key":"1.2.12"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.13","level":"1.2","list_caption":"Figure: Grafana界面示意图2","alt":"Grafana界面示意图2","nro":13,"url":"../images/kubernetes-devops-example-grafana-2.png","index":13,"caption_template":"图片 - _CAPTION_","label":"Grafana界面示意图2","attributes":{},"skip":false,"key":"1.2.13"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig1.2.14","level":"1.2","list_caption":"Figure: Grafana界面示意图3","alt":"Grafana界面示意图3","nro":14,"url":"../images/kubernetes-devops-example-grafana-3.png","index":14,"caption_template":"图片 - 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