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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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2.2.1.4 Pod的生命周期
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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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<li class="chapter " data-level="1.3.2.7" data-path="../concepts/secret.html">
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<a href="../concepts/secret.html">
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2.2.7 Secret
|
||
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</a>
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<li class="chapter " data-level="1.3.2.8" data-path="../concepts/statefulset.html">
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2.2.8 StatefulSet
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<li class="chapter " data-level="1.3.2.9" data-path="../concepts/daemonset.html">
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2.2.9 DaemonSet
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<li class="chapter " data-level="1.3.2.10" data-path="../concepts/serviceaccount.html">
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2.2.10 ServiceAccount
|
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<li class="chapter " data-level="1.3.2.11" data-path="../concepts/replicaset.html">
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2.2.11 ReplicationController和ReplicaSet
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<li class="chapter " data-level="1.3.2.12" data-path="../concepts/job.html">
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2.2.12 Job
|
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<li class="chapter " data-level="1.3.2.13" data-path="../concepts/cronjob.html">
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2.2.13 CronJob
|
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<li class="chapter " data-level="1.3.2.14" data-path="../concepts/ingress.html">
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<a href="../concepts/ingress.html">
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2.2.14 Ingress
|
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</a>
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</li>
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<li class="chapter " data-level="1.3.2.15" data-path="../concepts/configmap.html">
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<a href="../concepts/configmap.html">
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2.2.15 ConfigMap
|
||
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.3.2.15.1" data-path="../concepts/configmap-hot-update.html">
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<a href="../concepts/configmap-hot-update.html">
|
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|
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|
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2.2.15.1 ConfigMap的热更新
|
||
|
||
</a>
|
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.3.2.16" data-path="../concepts/horizontal-pod-autoscaling.html">
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<a href="../concepts/horizontal-pod-autoscaling.html">
|
||
|
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|
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2.2.16 Horizontal Pod Autoscaling
|
||
|
||
</a>
|
||
|
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</li>
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<li class="chapter " data-level="1.3.2.17" data-path="../concepts/label.html">
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<a href="../concepts/label.html">
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2.2.17 Label
|
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</a>
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<li class="chapter " data-level="1.3.2.18" data-path="../concepts/garbage-collection.html">
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<a href="../concepts/garbage-collection.html">
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2.2.18 垃圾收集
|
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</a>
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<li class="chapter " data-level="1.3.2.19" data-path="../concepts/network-policy.html">
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<a href="../concepts/network-policy.html">
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2.2.19 NetworkPolicy
|
||
|
||
</a>
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</li>
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</ul>
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</ul>
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<li class="chapter " data-level="1.4" data-path="../guide/">
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<a href="../guide/">
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3. 用户指南
|
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.4.1" data-path="../guide/resource-configuration.html">
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<a href="../guide/resource-configuration.html">
|
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|
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|
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3.1 资源对象配置
|
||
|
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</a>
|
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|
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|
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|
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<ul class="articles">
|
||
|
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|
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<li class="chapter " data-level="1.4.1.1" data-path="../guide/configure-liveness-readiness-probes.html">
|
||
|
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<a href="../guide/configure-liveness-readiness-probes.html">
|
||
|
||
|
||
3.1.1 配置Pod的liveness和readiness探针
|
||
|
||
</a>
|
||
|
||
|
||
|
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</li>
|
||
|
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<li class="chapter " data-level="1.4.1.2" data-path="../guide/configure-pod-service-account.html">
|
||
|
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<a href="../guide/configure-pod-service-account.html">
|
||
|
||
|
||
3.1.2 配置Pod的Service Account
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
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<li class="chapter " data-level="1.4.1.3" data-path="../guide/secret-configuration.html">
|
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|
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<a href="../guide/secret-configuration.html">
|
||
|
||
|
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3.1.3 Secret配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.4" data-path="../guide/resource-quota-management.html">
|
||
|
||
<a href="../guide/resource-quota-management.html">
|
||
|
||
|
||
3.2.3 管理namespace中的资源配额
|
||
|
||
</a>
|
||
|
||
|
||
|
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</li>
|
||
|
||
|
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</ul>
|
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|
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</li>
|
||
|
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<li class="chapter " data-level="1.4.2" data-path="../guide/command-usage.html">
|
||
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<a href="../guide/command-usage.html">
|
||
|
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|
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3.2 命令使用
|
||
|
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|
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|
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|
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|
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<ul class="articles">
|
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|
||
|
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<li class="chapter " data-level="1.4.2.1" data-path="../guide/docker-cli-to-kubectl.html">
|
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|
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<a href="../guide/docker-cli-to-kubectl.html">
|
||
|
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|
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3.2.1 docker用户过度到kubectl命令行指南
|
||
|
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</a>
|
||
|
||
|
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|
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</li>
|
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|
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<li class="chapter " data-level="1.4.2.2" data-path="../guide/using-kubectl.html">
|
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|
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<a href="../guide/using-kubectl.html">
|
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|
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|
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3.2.2 kubectl命令概览
|
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|
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</a>
|
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|
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<li class="chapter " data-level="1.4.2.3" data-path="../guide/kubectl-cheatsheet.html">
|
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<a href="../guide/kubectl-cheatsheet.html">
|
||
|
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|
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3.2.3 kubectl命令技巧大全
|
||
|
||
</a>
|
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|
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</li>
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</ul>
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<li class="chapter " data-level="1.4.3" data-path="../guide/cluster-security-management.html">
|
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|
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<a href="../guide/cluster-security-management.html">
|
||
|
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|
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3.3 集群安全性管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.3.1" data-path="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
<a href="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
|
||
3.3.1 管理集群中的TLS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
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|
||
<li class="chapter " data-level="1.4.3.2" data-path="../guide/kubelet-authentication-authorization.html">
|
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|
||
<a href="../guide/kubelet-authentication-authorization.html">
|
||
|
||
|
||
3.3.2 kubelet的认证授权
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.3" data-path="../guide/tls-bootstrapping.html">
|
||
|
||
<a href="../guide/tls-bootstrapping.html">
|
||
|
||
|
||
3.3.3 TLS bootstrap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.4" data-path="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
<a href="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
|
||
3.3.4 创建用户认证授权的kubeconfig文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.5" data-path="../guide/rbac.html">
|
||
|
||
<a href="../guide/rbac.html">
|
||
|
||
|
||
3.3.5 RBAC——基于角色的访问控制
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.6" data-path="../guide/ip-masq-agent.html">
|
||
|
||
<a href="../guide/ip-masq-agent.html">
|
||
|
||
|
||
3.3.6 IP伪装代理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4" data-path="../guide/access-kubernetes-cluster.html">
|
||
|
||
<a href="../guide/access-kubernetes-cluster.html">
|
||
|
||
|
||
3.4 访问 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1" data-path="../guide/access-cluster.html">
|
||
|
||
<a href="../guide/access-cluster.html">
|
||
|
||
|
||
3.4.1 访问集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
|
||
3.4.2 使用 kubeconfig 文件配置跨集群认证
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.3" data-path="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
<a href="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
|
||
3.4.3 通过端口转发访问集群中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.4" data-path="../guide/service-access-application-cluster.html">
|
||
|
||
<a href="../guide/service-access-application-cluster.html">
|
||
|
||
|
||
3.4.4 使用 service 访问群集中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5" data-path="../guide/application-development-deployment-flow.html">
|
||
|
||
<a href="../guide/application-development-deployment-flow.html">
|
||
|
||
|
||
3.5 在kubernetes中开发部署应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.5.1" data-path="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
<a href="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
|
||
3.5.1 适用于kubernetes的应用开发部署流程
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
|
||
3.5.2 迁移传统应用到kubernetes中——以Hadoop YARN为例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5.3" data-path="../guide/using-statefulset.html">
|
||
|
||
<a href="../guide/using-statefulset.html">
|
||
|
||
|
||
3.5.3 使用StatefulSet部署用状态应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5" data-path="./">
|
||
|
||
<a href="./">
|
||
|
||
|
||
4. 最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1" data-path="install-kbernetes1.6-on-centos.html">
|
||
|
||
<a href="install-kbernetes1.6-on-centos.html">
|
||
|
||
|
||
4.1 在CentOS上部署kubernetes1.6集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1.1" data-path="create-tls-and-secret-key.html">
|
||
|
||
<a href="create-tls-and-secret-key.html">
|
||
|
||
|
||
4.1.1 创建TLS证书和秘钥
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.2" data-path="create-kubeconfig.html">
|
||
|
||
<a href="create-kubeconfig.html">
|
||
|
||
|
||
4.1.2 创建kubeconfig文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.3" data-path="etcd-cluster-installation.html">
|
||
|
||
<a href="etcd-cluster-installation.html">
|
||
|
||
|
||
4.1.3 创建高可用etcd集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.4" data-path="kubectl-installation.html">
|
||
|
||
<a href="kubectl-installation.html">
|
||
|
||
|
||
4.1.4 安装kubectl命令行工具
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.5" data-path="master-installation.html">
|
||
|
||
<a href="master-installation.html">
|
||
|
||
|
||
4.1.5 部署master节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.6" data-path="node-installation.html">
|
||
|
||
<a href="node-installation.html">
|
||
|
||
|
||
4.1.6 部署node节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.7" data-path="kubedns-addon-installation.html">
|
||
|
||
<a href="kubedns-addon-installation.html">
|
||
|
||
|
||
4.1.7 安装kubedns插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.8" data-path="dashboard-addon-installation.html">
|
||
|
||
<a href="dashboard-addon-installation.html">
|
||
|
||
|
||
4.1.8 安装dashboard插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.9" data-path="heapster-addon-installation.html">
|
||
|
||
<a href="heapster-addon-installation.html">
|
||
|
||
|
||
4.1.9 安装heapster插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.10" data-path="efk-addon-installation.html">
|
||
|
||
<a href="efk-addon-installation.html">
|
||
|
||
|
||
4.1.10 安装EFK插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2" data-path="service-discovery-and-loadbalancing.html">
|
||
|
||
<a href="service-discovery-and-loadbalancing.html">
|
||
|
||
|
||
4.2 服务发现与负载均衡
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.1" data-path="traefik-ingress-installation.html">
|
||
|
||
<a href="traefik-ingress-installation.html">
|
||
|
||
|
||
4.2.1 安装Traefik ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.2" data-path="distributed-load-test.html">
|
||
|
||
<a href="distributed-load-test.html">
|
||
|
||
|
||
4.2.2 分布式负载测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.3" data-path="network-and-cluster-perfermance-test.html">
|
||
|
||
<a href="network-and-cluster-perfermance-test.html">
|
||
|
||
|
||
4.2.3 网络和集群性能测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.4" data-path="edge-node-configuration.html">
|
||
|
||
<a href="edge-node-configuration.html">
|
||
|
||
|
||
4.2.4 边缘节点配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.5" data-path="nginx-ingress-installation.html">
|
||
|
||
<a href="nginx-ingress-installation.html">
|
||
|
||
|
||
4.2.5 安装Nginx ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3" data-path="operation.html">
|
||
|
||
<a href="operation.html">
|
||
|
||
|
||
4.3 运维管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.3.1" data-path="service-rolling-update.html">
|
||
|
||
<a href="service-rolling-update.html">
|
||
|
||
|
||
4.3.1 服务滚动升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.2" data-path="app-log-collection.html">
|
||
|
||
<a href="app-log-collection.html">
|
||
|
||
|
||
4.3.2 应用日志收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.3" data-path="configuration-best-practice.html">
|
||
|
||
<a href="configuration-best-practice.html">
|
||
|
||
|
||
4.3.3 配置最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.4" data-path="monitor.html">
|
||
|
||
<a href="monitor.html">
|
||
|
||
|
||
4.3.4 集群及应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.5" data-path="data-persistence-problem.html">
|
||
|
||
<a href="data-persistence-problem.html">
|
||
|
||
|
||
4.3.6 数据持久化问题
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.6" data-path="manage-compute-resources-container.html">
|
||
|
||
<a href="manage-compute-resources-container.html">
|
||
|
||
|
||
4.3.7 管理容器的计算资源
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4" data-path="storage.html">
|
||
|
||
<a href="storage.html">
|
||
|
||
|
||
4.4 存储管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.4.1" data-path="glusterfs.html">
|
||
|
||
<a href="glusterfs.html">
|
||
|
||
|
||
4.4.1 GlusterFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.4.1.1" data-path="using-glusterfs-for-persistent-storage.html">
|
||
|
||
<a href="using-glusterfs-for-persistent-storage.html">
|
||
|
||
|
||
4.4.1.1 使用GlusterFS做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4.1.2" data-path="storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
<a href="storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
|
||
4.4.1.2 在OpenShift中使用GlusterFS做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4.2" data-path="cephfs.html">
|
||
|
||
<a href="cephfs.html">
|
||
|
||
|
||
4.4.2 CephFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.4.2.1" data-path="using-ceph-for-persistent-storage.html">
|
||
|
||
<a href="using-ceph-for-persistent-storage.html">
|
||
|
||
|
||
4.4.2.1 使用Ceph做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.5" data-path="monitoring.html">
|
||
|
||
<a href="monitoring.html">
|
||
|
||
|
||
4.5 集群与应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.5.1" data-path="heapster.html">
|
||
|
||
<a href="heapster.html">
|
||
|
||
|
||
4.5.1 Heapster
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter active" data-level="1.5.5.1.1" data-path="using-heapster-to-get-object-metrics.html">
|
||
|
||
<a href="using-heapster-to-get-object-metrics.html">
|
||
|
||
|
||
4.5.1.1 使用Heapster获取集群和对象的metric数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.5.2" data-path="prometheus.html">
|
||
|
||
<a href="prometheus.html">
|
||
|
||
|
||
4.5.2 Prometheus
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.5.2.1" data-path="using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
<a href="using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
|
||
4.5.2.1 使用Prometheus监控kubernetes集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.6" data-path="services-management-tool.html">
|
||
|
||
<a href="services-management-tool.html">
|
||
|
||
|
||
4.6 服务编排管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.6.1" data-path="helm.html">
|
||
|
||
<a href="helm.html">
|
||
|
||
|
||
4.6.1 使用Helm管理kubernetes应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.6.2" data-path="create-private-charts-repo.html">
|
||
|
||
<a href="create-private-charts-repo.html">
|
||
|
||
|
||
4.6.2 构建私有Chart仓库
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.7" data-path="ci-cd.html">
|
||
|
||
<a href="ci-cd.html">
|
||
|
||
|
||
4.7 持续集成与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.7.1" data-path="jenkins-ci-cd.html">
|
||
|
||
<a href="jenkins-ci-cd.html">
|
||
|
||
|
||
4.7.1 使用Jenkins进行持续集成与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.7.2" data-path="drone-ci-cd.html">
|
||
|
||
<a href="drone-ci-cd.html">
|
||
|
||
|
||
4.7.2 使用Drone进行持续集成与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.8" data-path="update-and-upgrade.html">
|
||
|
||
<a href="update-and-upgrade.html">
|
||
|
||
|
||
4.8 更新与升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.8.1" data-path="manually-upgrade.html">
|
||
|
||
<a href="manually-upgrade.html">
|
||
|
||
|
||
4.8.1 手动升级kubernetes集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.8.2" data-path="dashboard-upgrade.html">
|
||
|
||
<a href="dashboard-upgrade.html">
|
||
|
||
|
||
4.8.2 升级dashboard
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6" data-path="../usecases/">
|
||
|
||
<a href="../usecases/">
|
||
|
||
|
||
5. 领域应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.1" data-path="../usecases/microservices.html">
|
||
|
||
<a href="../usecases/microservices.html">
|
||
|
||
|
||
5.1 微服务架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.1.1" data-path="../usecases/service-discovery-in-microservices.html">
|
||
|
||
<a href="../usecases/service-discovery-in-microservices.html">
|
||
|
||
|
||
5.1.1 微服务中的服务发现
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2" data-path="../usecases/service-mesh.html">
|
||
|
||
<a href="../usecases/service-mesh.html">
|
||
|
||
|
||
5.2 Service Mesh 服务网格
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.1" data-path="../usecases/istio.html">
|
||
|
||
<a href="../usecases/istio.html">
|
||
|
||
|
||
5.1.1 Istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.1.1" data-path="../usecases/istio-installation.html">
|
||
|
||
<a href="../usecases/istio-installation.html">
|
||
|
||
|
||
5.1.1.1 安装并试用Istio service mesh
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2.1.2" 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>
|
||
|
||
<li class="chapter " data-level="1.6.2.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
|
||
|
||
<a href="../usecases/install-and-expand-istio-mesh.html">
|
||
|
||
|
||
5.1.1.3 安装和拓展Istio service mesh
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2.1.4" data-path="../usecases/integrating-vms.html">
|
||
|
||
<a href="../usecases/integrating-vms.html">
|
||
|
||
|
||
5.1.1.4 集成虚拟机
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2.2" data-path="../usecases/linkerd.html">
|
||
|
||
<a href="../usecases/linkerd.html">
|
||
|
||
|
||
5.1.2 Linkerd
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.2.1" 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>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.3" data-path="../usecases/big-data.html">
|
||
|
||
<a href="../usecases/big-data.html">
|
||
|
||
|
||
5.2 大数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.3.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
<a href="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
|
||
5.2.1 Spark standalone on Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.3.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
|
||
5.2.2 运行支持kubernetes原生调度的Spark程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.4" data-path="../usecases/serverless.html">
|
||
|
||
<a href="../usecases/serverless.html">
|
||
|
||
|
||
5.3 Serverless架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.5" data-path="../usecases/edge-computing.html">
|
||
|
||
<a href="../usecases/edge-computing.html">
|
||
|
||
|
||
5.4 边缘计算
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7" data-path="../develop/">
|
||
|
||
<a href="../develop/">
|
||
|
||
|
||
6. 开发指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.7.1" data-path="../develop/developing-environment.html">
|
||
|
||
<a href="../develop/developing-environment.html">
|
||
|
||
|
||
6.1 开发环境搭建
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.2" data-path="../develop/testing.html">
|
||
|
||
<a href="../develop/testing.html">
|
||
|
||
|
||
6.2 单元测试和集成测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.3" data-path="../develop/client-go-sample.html">
|
||
|
||
<a href="../develop/client-go-sample.html">
|
||
|
||
|
||
6.3 client-go示例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.4" data-path="../develop/contribute.html">
|
||
|
||
<a href="../develop/contribute.html">
|
||
|
||
|
||
6.4 社区贡献
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.5" data-path="../develop/minikube.html">
|
||
|
||
<a href="../develop/minikube.html">
|
||
|
||
|
||
6.5 Minikube
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8" data-path="../appendix/">
|
||
|
||
<a href="../appendix/">
|
||
|
||
|
||
7. 附录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.8.1" data-path="../appendix/docker-best-practice.html">
|
||
|
||
<a href="../appendix/docker-best-practice.html">
|
||
|
||
|
||
7.1 Docker最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.2" data-path="../appendix/issues.html">
|
||
|
||
<a href="../appendix/issues.html">
|
||
|
||
|
||
7.2 问题记录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.3" data-path="../appendix/tricks.html">
|
||
|
||
<a href="../appendix/tricks.html">
|
||
|
||
|
||
7.3 使用技巧
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.4" data-path="../appendix/debug-kubernetes-services.html">
|
||
|
||
<a href="../appendix/debug-kubernetes-services.html">
|
||
|
||
|
||
7.4 kubernetes中的应用故障排查
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.5" data-path="../appendix/material-share.html">
|
||
|
||
<a href="../appendix/material-share.html">
|
||
|
||
|
||
7.5 Kubernetes相关资讯和情报链接
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="divider"></li>
|
||
|
||
<li>
|
||
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
|
||
本书使用 GitBook 发布
|
||
</a>
|
||
</li>
|
||
</ul>
|
||
|
||
|
||
</nav>
|
||
|
||
|
||
</div>
|
||
|
||
<div class="book-body">
|
||
|
||
<div class="body-inner">
|
||
|
||
|
||
|
||
<div class="book-header" role="navigation">
|
||
|
||
|
||
<!-- Title -->
|
||
<h1>
|
||
<i class="fa fa-circle-o-notch fa-spin"></i>
|
||
<a href=".." >4.5.1.1 使用Heapster获取集群和对象的metric数据</a>
|
||
</h1>
|
||
</div>
|
||
|
||
|
||
|
||
|
||
<div class="page-wrapper" tabindex="-1" role="main">
|
||
<div class="page-inner">
|
||
|
||
<div class="search-plus" id="book-search-results">
|
||
<div class="search-noresults">
|
||
|
||
<section class="normal markdown-section">
|
||
|
||
<h1 id="使用heapster获取集群对象的metric数据">使用Heapster获取集群对象的metric数据</h1>
|
||
<p>Heapster作为kubernetes安装过程中默认安装的一个插件，见<a href="practice/heapster-addon-installation.md">安装heapster插件</a>。这对于集群监控十分有用，同时在<a href="../concepts/horizontal-pod-autoscaling.html">Horizontal Pod Autoscaling</a>中也用到了，HPA将Heapster作为<code>Resource Metrics API</code>，向其获取metric，做法是在<code>kube-controller-manager</code> 中配置<code>--api-server</code>指向<a href="https://github.com/kubernetes/kube-aggregator" target="_blank">kube-aggregator</a>，也可以使用heapster来实现，通过在启动heapster的时候指定<code>--api-server=true</code>。</p>
|
||
<p>Heapster可以收集Node节点上的cAdvisor数据，还可以按照kubernetes的资源类型来集合资源，比如Pod、Namespace域，可以分别获取它们的CPU、内存、网络和磁盘的metric。默认的metric数据聚合时间间隔是1分钟。</p>
|
||
<h2 id="架构">架构</h2>
|
||
<p>下面是Heapster架构图：</p>
|
||
<figure id="fig1.5.5.1.1.1"><img src="../images/heapster-architecture.png" alt="Heapster架构图"><figcaption>图片 - Heapster架构图</figcaption></figure>
|
||
<p><a href="https://github.com/kubernetes/heapster" target="_blank">Heapser</a>是用Go语言开发Kubernetes集群计算资源使用情况的数据采集工具，编译后可以直接以一个二进制文件运行，通过向heapster传递的参数来指定数据采集行为，这些数据可以选择多种sink方式，例如Graphite、influxDB、OpenTSDB、ElasticSearch、Kafka等。</p>
|
||
<h2 id="使用案例">使用案例</h2>
|
||
<p>Heapster使用起来很简单，本身就是二进制文件，直接使用命令行启动，也可以放在容器里运行，在作为kubernetes插件运行时，我们是直接放在容器中的，见<a href="heapster-addon-installation.html">安装heapster插件</a>。</p>
|
||
<h3 id="运行">运行</h3>
|
||
<p>下面是heapster的启动参数：</p>
|
||
<table>
|
||
<thead>
|
||
<tr>
|
||
<th><strong>Flag</strong></th>
|
||
<th><strong>Description</strong></th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr>
|
||
<td>--allowed-users string</td>
|
||
<td>comma-separated list of allowed users</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--alsologtostderr</td>
|
||
<td>log to standard error as well as files</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--api-server</td>
|
||
<td>Enable API server for the Metrics API. If set, the Metrics API will be served on --insecure-port (internally) and --secure-port (externally).</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--authentication-kubeconfig string</td>
|
||
<td>kubeconfig file pointing at the 'core' kubernetes server with enough rights to create <a href="http://tokenaccessreviews.authentication.k8s.io" target="_blank">tokenaccessreviews.authentication.k8s.io</a>.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--authentication-token-webhook-cache-ttl duration</td>
|
||
<td>The duration to cache responses from the webhook token authenticator. (default 10s)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--authorization-kubeconfig string</td>
|
||
<td>kubeconfig file pointing at the 'core' kubernetes server with enough rights to create <a href="http://subjectaccessreviews.authorization.k8s.io" target="_blank">subjectaccessreviews.authorization.k8s.io</a>.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--authorization-webhook-cache-authorized-ttl duration</td>
|
||
<td>The duration to cache 'authorized' responses from the webhook authorizer. (default 10s)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--authorization-webhook-cache-unauthorized-ttl duration</td>
|
||
<td>The duration to cache 'unauthorized' responses from the webhook authorizer. (default 10s)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--bind-address ip</td>
|
||
<td>The IP address on which to listen for the --secure-port port. The associated interface(s) must be reachable by the rest of the cluster, and by CLI/web clients. If blank, all interfaces will be used (0.0.0.0). (default 0.0.0.0)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--cert-dir string</td>
|
||
<td>The directory where the TLS certs are located (by default /var/run/kubernetes). If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored. (default "/var/run/kubernetes")</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--client-ca-file string</td>
|
||
<td>If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--contention-profiling</td>
|
||
<td>Enable contention profiling. Requires --profiling to be set to work.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--disable-export</td>
|
||
<td>Disable exporting metrics in api/v1/metric-export</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--enable-swagger-ui</td>
|
||
<td>Enables swagger ui on the apiserver at /swagger-ui</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--heapster-port int</td>
|
||
<td>port used by the Heapster-specific APIs (default 8082)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--historical-source string</td>
|
||
<td>which source type to use for the historical API (should be exactly the same as one of the sink URIs), or empty to disable the historical API</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--label-seperator string</td>
|
||
<td>seperator used for joining labels (default ",")</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--listen-ip string</td>
|
||
<td>IP to listen on, defaults to all IPs</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--log-backtrace-at traceLocation</td>
|
||
<td>when logging hits line file:N, emit a stack trace (default :0)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--log-dir string</td>
|
||
<td>If non-empty, write log files in this directory</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--log-flush-frequency duration</td>
|
||
<td>Maximum number of seconds between log flushes (default 5s)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--logtostderr</td>
|
||
<td>log to standard error instead of files (default true)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--max-procs int</td>
|
||
<td>max number of CPUs that can be used simultaneously. Less than 1 for default (number of cores)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--metric-resolution duration</td>
|
||
<td>The resolution at which heapster will retain metrics. (default 1m0s)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--profiling</td>
|
||
<td>Enable profiling via web interface host:port/debug/pprof/ (default true)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--requestheader-allowed-names stringSlice</td>
|
||
<td>List of client certificate common names to allow to provide usernames in headers specified by --requestheader-username-headers. If empty, any client certificate validated by the authorities in --requestheader-client-ca-file is allowed.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--requestheader-client-ca-file string</td>
|
||
<td>Root certificate bundle to use to verify client certificates on incoming requests before trusting usernames in headers specified by --requestheader-username-headers</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--requestheader-extra-headers-prefix stringSlice</td>
|
||
<td>List of request header prefixes to inspect. X-Remote-Extra- is suggested. (default [x-remote-extra-])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--requestheader-group-headers stringSlice</td>
|
||
<td>List of request headers to inspect for groups. X-Remote-Group is suggested. (default [x-remote-group])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--requestheader-username-headers stringSlice</td>
|
||
<td>List of request headers to inspect for usernames. X-Remote-User is common. (default [x-remote-user])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--secure-port int</td>
|
||
<td>The port on which to serve HTTPS with authentication and authorization. If 0, don't serve HTTPS at all. (default 6443)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--sink *flags.Uris</td>
|
||
<td>external sink(s) that receive data (default [])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--source *flags.Uris</td>
|
||
<td>source(s) to watch (default [])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--stderrthreshold severity</td>
|
||
<td>logs at or above this threshold go to stderr (default 2)</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-ca-file string</td>
|
||
<td>If set, this certificate authority will used for secure access from Admission Controllers. This must be a valid PEM-encoded CA bundle. Altneratively, the certificate authority can be appended to the certificate provided by --tls-cert-file.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-cert string</td>
|
||
<td>file containing TLS certificate</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-cert-file string</td>
|
||
<td>File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key are generated for the public address and saved to /var/run/kubernetes.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-client-ca string</td>
|
||
<td>file containing TLS client CA for client cert validation</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-key string</td>
|
||
<td>file containing TLS key</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-private-key-file string</td>
|
||
<td>File containing the default x509 private key matching --tls-cert-file.</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--tls-sni-cert-key namedCertKey</td>
|
||
<td>A pair of x509 certificate and private key file paths, optionally suffixed with a list of domain patterns which are fully qualified domain names, possibly with prefixed wildcard segments. If no domain patterns are provided, the names of the certificate are extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns trump over extracted names. For multiple key/certificate pairs, use the --tls-sni-cert-key multiple times. Examples: "example.key,example.crt" or "*.foo.com,foo.com:foo.key,foo.crt". (default [])</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--v Level</td>
|
||
<td>log level for V logs</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--version</td>
|
||
<td>print version info and exit</td>
|
||
</tr>
|
||
<tr>
|
||
<td>--vmodule moduleSpec</td>
|
||
<td>comma-separated list of pattern=N settings for file-filtered logging</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<p><strong>Version</strong></p>
|
||
<p>version: v1.4.0
|
||
commit: 546ab66f</p>
|
||
<h3 id="api使用">API使用</h3>
|
||
<p>Heapster提供RESTful API接口，下面以获取<code>spark-cluster</code> namespace的memory usage为例讲解Heapster API的使用。</p>
|
||
<p><strong>构造URL地址</strong></p>
|
||
<p><a href="https://172.20.0.113:6443/api/v1/proxy/namespaces/kube-system/services/heapster/api/v1/model/namespaces/spark-cluster/metrics/memory/usage?start=2017-10-16T09:14:00Z&end=2017-10-16T09:16:00Z" target="_blank">https://172.20.0.113:6443/api/v1/proxy/namespaces/kube-system/services/heapster/api/v1/model/namespaces/spark-cluster/metrics/memory/usage?start=2017-10-16T09:14:00Z&end=2017-10-16T09:16:00Z</a></p>
|
||
<p><strong>结果</strong></p>
|
||
<p>访问该地址获取的结果是这样的：</p>
|
||
<pre><code class="lang-json">{
|
||
<span class="hljs-string">"metrics"</span>: [
|
||
{
|
||
<span class="hljs-string">"timestamp"</span>: <span class="hljs-string">"2017-10-16T09:14:00Z"</span>,
|
||
<span class="hljs-string">"value"</span>: <span class="hljs-number">322592768</span>
|
||
},
|
||
{
|
||
<span class="hljs-string">"timestamp"</span>: <span class="hljs-string">"2017-10-16T09:15:00Z"</span>,
|
||
<span class="hljs-string">"value"</span>: <span class="hljs-number">322592768</span>
|
||
},
|
||
{
|
||
<span class="hljs-string">"timestamp"</span>: <span class="hljs-string">"2017-10-16T09:16:00Z"</span>,
|
||
<span class="hljs-string">"value"</span>: <span class="hljs-number">322592768</span>
|
||
}
|
||
],
|
||
<span class="hljs-string">"latestTimestamp"</span>: <span class="hljs-string">"2017-10-16T09:16:00Z"</span>
|
||
}
|
||
</code></pre>
|
||
<p>注意：Heapster中查询的所有值都是以最小单位为单位，比如CPU为1milicore，内存为B。</p>
|
||
<p><strong>第一部分：Heapster API地址</strong></p>
|
||
<p><code>https://172.20.0.113:6443/api/v1/proxy/namespaces/kube-system/services/heapster/</code></p>
|
||
<p>可以使用下面的命令获取:</p>
|
||
<pre><code class="lang-bash">$ kubectl cluster-info
|
||
Heapster is running at https://172.20.0.113:6443/api/v1/proxy/namespaces/kube-system/services/heapster
|
||
...
|
||
</code></pre>
|
||
<p><strong>第二部分：Heapster API参数</strong></p>
|
||
<p><code>/api/v1/model/namespaces/spark-cluster/metrics/memory/usage</code></p>
|
||
<p>表示查询的是<code>spark-cluster</code> namespace中的<code>memory/usage</code>的metrics。</p>
|
||
<p><strong>第三部分：时间片</strong></p>
|
||
<p><code>?start=2017-10-16T09:14:00Z&end=2017-10-16T09:16:00Z</code></p>
|
||
<p>查询参数为时间片：包括start和end。使用<code>RFC-3339</code>时间格式，在Linux系统中可以这样获取：</p>
|
||
<pre><code class="lang-bash">$ date --rfc-3339=<span class="hljs-string">"seconds"</span>
|
||
2017-10-16 17:23:20+08:00
|
||
</code></pre>
|
||
<p>该时间中的空格替换成T，最后的<code>+08:00</code>替换成Z代表时区。可以只指定start时间，end时间自动设置为当前时间。</p>
|
||
<h2 id="参考">参考</h2>
|
||
<ul>
|
||
<li><a href="https://github.com/kubernetes/metrics" target="_blank">kubernetes metrics</a></li>
|
||
<li><a href="https://github.com/kubernetes/heapster/blob/master/docs/model.md" target="_blank">Heapster metric model</a></li>
|
||
<li><a href="https://github.com/kubernetes/heapster/blob/master/docs/storage-schema.md" target="_blank">Heapster storage schema</a> </li>
|
||
</ul>
|
||
<footer class="page-footer"><span class="copyright">Copyright © jimmysong.io 2017 all right reserved，powered by Gitbook</span><span class="footer-modification">Updated:
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2017-10-16 17:41:04
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