kubernetes-handbook/concepts/node.html

1635 lines
67 KiB
HTML
Raw Normal View History

2017-08-21 17:44:43 +08:00
<!DOCTYPE HTML>
<html lang="zh-cn" >
<head>
<meta charset="UTF-8">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<title>2.2.2 Node · Kubernetes Handbook</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="description" content="">
<meta name="generator" content="GitBook 3.2.2">
<meta name="author" content="Jimmy Song">
<link rel="stylesheet" href="../gitbook/style.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-splitter/splitter.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-page-toc-button/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-image-captions/image-captions.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-page-footer-ex/style/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-search-plus/search.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-highlight/website.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-fontsettings/website.css">
<meta name="HandheldFriendly" content="true"/>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="apple-touch-icon-precomposed" sizes="152x152" href="../gitbook/images/apple-touch-icon-precomposed-152.png">
<link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
<link rel="next" href="namespace.html" />
2017-08-31 23:28:33 +08:00
<link rel="prev" href="init-containers.html" />
2017-08-21 17:44:43 +08:00
</head>
<body>
<div class="book">
<div class="book-summary">
<div id="book-search-input" role="search">
<input type="text" placeholder="輸入並搜尋" />
</div>
<nav role="navigation">
<ul class="summary">
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
1. 前言
</a>
</li>
<li class="chapter " data-level="1.2" data-path="./">
<a href="./">
2. 概念原理
</a>
<ul class="articles">
<li class="chapter " data-level="1.2.1" data-path="concepts.html">
<a href="concepts.html">
2.1 设计理念
</a>
</li>
<li class="chapter " data-level="1.2.2" data-path="objects.html">
<a href="objects.html">
2.2 主要概念
</a>
<ul class="articles">
<li class="chapter " data-level="1.2.2.1" data-path="pod-overview.html">
<a href="pod-overview.html">
2.2.1 Pod
</a>
<ul class="articles">
<li class="chapter " data-level="1.2.2.1.1" data-path="pod.html">
<a href="pod.html">
2.2.1.1 Pod解析
</a>
2017-08-31 23:28:33 +08:00
</li>
<li class="chapter " data-level="1.2.2.1.2" data-path="init-containers.html">
<a href="init-containers.html">
2.2.1.2 Init容器
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter active" data-level="1.2.2.2" data-path="node.html">
<a href="node.html">
2.2.2 Node
</a>
</li>
<li class="chapter " data-level="1.2.2.3" data-path="namespace.html">
<a href="namespace.html">
2.2.3 Namespace
</a>
</li>
<li class="chapter " data-level="1.2.2.4" data-path="service.html">
<a href="service.html">
2.2.4 Service
</a>
</li>
<li class="chapter " data-level="1.2.2.5" data-path="volume.html">
<a href="volume.html">
2.2.5 Volume和Persistent Volume
</a>
</li>
<li class="chapter " data-level="1.2.2.6" data-path="deployment.html">
<a href="deployment.html">
2.2.6 Deployment
</a>
</li>
<li class="chapter " data-level="1.2.2.7" data-path="secret.html">
<a href="secret.html">
2.2.7 Secret
</a>
</li>
<li class="chapter " data-level="1.2.2.8" data-path="statefulset.html">
<a href="statefulset.html">
2.2.8 StatefulSet
</a>
</li>
<li class="chapter " data-level="1.2.2.9" data-path="daemonset.html">
<a href="daemonset.html">
2.2.9 DaemonSet
</a>
</li>
<li class="chapter " data-level="1.2.2.10" data-path="serviceaccount.html">
<a href="serviceaccount.html">
2.2.10 ServiceAccount
</a>
</li>
<li class="chapter " data-level="1.2.2.11" data-path="replicaset.html">
<a href="replicaset.html">
2.2.11 ReplicationController和ReplicaSet
</a>
</li>
<li class="chapter " data-level="1.2.2.12" data-path="job.html">
<a href="job.html">
2.2.12 Job
</a>
</li>
<li class="chapter " data-level="1.2.2.13" data-path="cronjob.html">
<a href="cronjob.html">
2.2.13 CronJob
</a>
</li>
<li class="chapter " data-level="1.2.2.14" data-path="ingress.html">
<a href="ingress.html">
2.2.14 Ingress
</a>
</li>
<li class="chapter " data-level="1.2.2.15" data-path="configmap.html">
<a href="configmap.html">
2.2.15 ConfigMap
</a>
</li>
<li class="chapter " data-level="1.2.2.16" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
2.2.16 Horizontal Pod Autoscaling
</a>
</li>
<li class="chapter " data-level="1.2.2.17" data-path="label.html">
<a href="label.html">
2.2.17 Label
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="1.3" data-path="../guide/">
<a href="../guide/">
3. 用户指南
</a>
<ul class="articles">
<li class="chapter " data-level="1.3.1" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
3.1 资源配置
</a>
<ul class="articles">
<li class="chapter " data-level="1.3.1.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
3.1.1 配置Pod的liveness和readiness探针
</a>
</li>
<li class="chapter " data-level="1.3.1.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
3.1.2 配置Pod的Service Account
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.3.2" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
3.2 命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="1.3.2.1" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
3.2.1 使用kubectl
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.3.3" data-path="../guide/cluster-management.html">
<a href="../guide/cluster-management.html">
3.3 集群管理
</a>
<ul class="articles">
<li class="chapter " data-level="1.3.3.1" 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>
<li class="chapter " data-level="1.3.3.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
3.3.2 kubelet的认证授权
</a>
</li>
<li class="chapter " data-level="1.3.3.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
3.3.3 TLS bootstrap
</a>
2017-08-31 14:23:44 +08:00
</li>
<li class="chapter " data-level="1.3.3.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
3.3.4 kubectl的用户认证授权
</a>
</li>
<li class="chapter " data-level="1.3.3.5" data-path="../guide/rbac.html">
<a href="../guide/rbac.html">
3.3.5 RBAC——基于角色的访问控制
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter " data-level="1.3.4" 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="1.3.4.1" 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="1.3.4.2" 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="1.3.4.3" 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="1.3.4.4" 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="1.3.5" 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="1.3.5.1" 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="1.3.5.2" 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>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="1.4" data-path="../practice/">
<a href="../practice/">
4. 最佳实践
</a>
<ul class="articles">
<li class="chapter " data-level="1.4.1" data-path="../practice/install-kbernetes1.6-on-centos.html">
<a href="../practice/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="1.4.1.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
4.1.1 创建TLS证书和秘钥
</a>
</li>
<li class="chapter " data-level="1.4.1.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
4.1.2 创建kubeconfig文件
</a>
</li>
<li class="chapter " data-level="1.4.1.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
4.1.3 创建高可用etcd集群
</a>
</li>
<li class="chapter " data-level="1.4.1.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
4.1.4 安装kubectl命令行工具
</a>
</li>
<li class="chapter " data-level="1.4.1.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
4.1.5 部署master节点
</a>
</li>
<li class="chapter " data-level="1.4.1.6" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
4.1.6 部署node节点
</a>
</li>
<li class="chapter " data-level="1.4.1.7" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
4.1.7 安装kubedns插件
</a>
</li>
<li class="chapter " data-level="1.4.1.8" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
4.1.8 安装dashboard插件
</a>
</li>
<li class="chapter " data-level="1.4.1.9" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
4.1.9 安装heapster插件
</a>
</li>
<li class="chapter " data-level="1.4.1.10" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
4.1.10 安装EFK插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.4.2" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/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="1.4.2.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
4.2.1 安装Traefik ingress
</a>
</li>
<li class="chapter " data-level="1.4.2.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
4.2.2 分布式负载测试
</a>
</li>
<li class="chapter " data-level="1.4.2.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/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="1.4.2.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
4.2.4 边缘节点配置
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.4.3" data-path="../practice/operation.html">
<a href="../practice/operation.html">
4.3 运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="1.4.3.1" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
4.3.1 服务滚动升级
</a>
</li>
<li class="chapter " data-level="1.4.3.2" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
4.3.2 应用日志收集
</a>
</li>
<li class="chapter " data-level="1.4.3.3" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
4.3.3 配置最佳实践
</a>
</li>
<li class="chapter " data-level="1.4.3.4" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
4.3.4 集群及应用监控
</a>
</li>
<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
</a>
</li>
<li class="chapter " data-level="1.4.3.6" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
4.3.6 数据持久化问题
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.4.4" data-path="../practice/storage.html">
<a href="../practice/storage.html">
4.4 存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="1.4.4.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
4.4.1 GlusterFS
</a>
<ul class="articles">
<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
</a>
</li>
<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
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.4.4.2" data-path="../practice/cephfs.html">
<a href="../practice/cephfs.html">
4.4.2 CephFS
</a>
<ul class="articles">
<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>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="1.5" data-path="../usecases/">
<a href="../usecases/">
5. 领域应用
</a>
<ul class="articles">
<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
</a>
<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
</a>
<ul class="articles">
<li class="chapter " data-level="1.5.1.1.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
5.1.1.1 安装istio
</a>
</li>
<li class="chapter " data-level="1.5.1.1.2" data-path="../usecases/configuring-request-routing.html">
<a href="../usecases/configuring-request-routing.html">
5.1.1.2 配置请求的路由规则
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.5.1.2" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
5.1.2 Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="1.5.1.2.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
5.1.2.1 Linkerd 使用指南
</a>
</li>
</ul>
</li>
<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
</a>
</li>
</ul>
</li>
<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
</a>
<ul class="articles">
2017-08-30 14:20:52 +08:00
<li class="chapter " data-level="1.5.2.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
<a href="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
5.2.1 Spark standalone on Kubernetes
2017-08-21 17:44:43 +08:00
</a>
2017-08-31 14:23:44 +08:00
</li>
<li class="chapter " data-level="1.5.2.2" data-path="../usecases/support-spark-natively-in-kubernetes.html">
<a href="../usecases/support-spark-natively-in-kubernetes.html">
5.2.2 运行支持kubernetes原生调度的Spark程序
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
2017-08-30 16:52:33 +08:00
</li>
<li class="chapter " data-level="1.5.3" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
5.3 Serverless架构
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter " data-level="1.6" data-path="../develop/">
<a href="../develop/">
6. 开发指南
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.1" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
6.1 开发环境搭建
</a>
</li>
<li class="chapter " data-level="1.6.2" 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="1.6.3" 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="1.6.4" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
6.4 社区贡献
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.7" data-path="../appendix/">
<a href="../appendix/">
7. 附录
</a>
<ul class="articles">
<li class="chapter " data-level="1.7.1" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
7.1 Docker最佳实践
</a>
</li>
<li class="chapter " data-level="1.7.2" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
7.2 问题记录
</a>
</li>
<li class="chapter " data-level="1.7.3" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
7.3 使用技巧
</a>
</li>
</ul>
</li>
<li class="divider"></li>
<li>
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
本書使用 GitBook 釋出
</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=".." >2.2.2 Node</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="node">Node</h1>
<p>Node&#x662F;kubernetes&#x96C6;&#x7FA4;&#x7684;&#x5DE5;&#x4F5C;&#x8282;&#x70B9;&#xFF0C;&#x53EF;&#x4EE5;&#x662F;&#x7269;&#x7406;&#x673A;&#x4E5F;&#x53EF;&#x4EE5;&#x662F;&#x865A;&#x62DF;&#x673A;&#x3002;</p>
<h2 id="node&#x7684;&#x72B6;&#x6001;">Node&#x7684;&#x72B6;&#x6001;</h2>
<p>Node&#x5305;&#x62EC;&#x5982;&#x4E0B;&#x72B6;&#x6001;&#x4FE1;&#x606F;&#xFF1A;</p>
<ul>
<li>Address<ul>
<li>HostName&#xFF1A;&#x53EF;&#x4EE5;&#x88AB;kubelet&#x4E2D;&#x7684;<code>--hostname-override</code>&#x53C2;&#x6570;&#x66FF;&#x4EE3;&#x3002;</li>
2017-08-21 17:44:43 +08:00
<li>ExternalIP&#xFF1A;&#x53EF;&#x4EE5;&#x88AB;&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x8DEF;&#x7531;&#x5230;&#x7684;IP&#x5730;&#x5740;&#x3002;</li>
<li>InternalIP&#xFF1A;&#x96C6;&#x7FA4;&#x5185;&#x90E8;&#x4F7F;&#x7528;&#x7684;IP&#xFF0C;&#x96C6;&#x7FA4;&#x5916;&#x90E8;&#x65E0;&#x6CD5;&#x8BBF;&#x95EE;&#x3002;</li>
</ul>
</li>
<li>Condition<ul>
<li>OutOfDisk&#xFF1A;&#x78C1;&#x76D8;&#x7A7A;&#x95F4;&#x4E0D;&#x8DB3;&#x65F6;&#x4E3A;<code>True</code></li>
<li>Ready&#xFF1A;Node controller 40&#x79D2;&#x5185;&#x6CA1;&#x6709;&#x6536;&#x5230;node&#x7684;&#x72B6;&#x6001;&#x62A5;&#x544A;&#x4E3A;<code>Unknown</code>&#xFF0C;&#x5065;&#x5EB7;&#x4E3A;<code>True</code>&#xFF0C;&#x5426;&#x5219;&#x4E3A;<code>False</code>&#x3002;</li>
2017-08-21 17:44:43 +08:00
<li>MemoryPressure&#xFF1A;&#x5F53;node&#x6CA1;&#x6709;&#x5185;&#x5B58;&#x538B;&#x529B;&#x65F6;&#x4E3A;<code>True</code>&#xFF0C;&#x5426;&#x5219;&#x4E3A;<code>False</code>&#x3002;</li>
<li>DiskPressure&#xFF1A;&#x5F53;node&#x6CA1;&#x6709;&#x78C1;&#x76D8;&#x538B;&#x529B;&#x65F6;&#x4E3A;<code>True</code>&#xFF0C;&#x5426;&#x5219;&#x4E3A;<code>False</code>&#x3002;</li>
</ul>
</li>
<li>Capacity<ul>
<li>CPU</li>
<li>&#x5185;&#x5B58;</li>
<li>&#x53EF;&#x8FD0;&#x884C;&#x7684;&#x6700;&#x5927;Pod&#x4E2A;&#x6570;</li>
</ul>
</li>
<li>Info&#xFF1A;&#x8282;&#x70B9;&#x7684;&#x4E00;&#x4E9B;&#x7248;&#x672C;&#x4FE1;&#x606F;&#xFF0C;&#x5982;OS&#x3001;kubernetes&#x3001;docker&#x7B49;</li>
</ul>
<h2 id="node&#x7BA1;&#x7406;">Node&#x7BA1;&#x7406;</h2>
<p>&#x7981;&#x6B62;pod&#x8C03;&#x5EA6;&#x5230;&#x8BE5;&#x8282;&#x70B9;&#x4E0A;</p>
<pre><code>kubectl cordon &lt;node&gt;
</code></pre><p>&#x9A71;&#x9010;&#x8BE5;&#x8282;&#x70B9;&#x4E0A;&#x7684;&#x6240;&#x6709;pod</p>
<pre><code>kubectl drain &lt;node&gt;
</code></pre><p>&#x8BE5;&#x547D;&#x4EE4;&#x4F1A;&#x5220;&#x9664;&#x8BE5;&#x8282;&#x70B9;&#x4E0A;&#x7684;&#x6240;&#x6709;Pod&#xFF08;DaemonSet&#x9664;&#x5916;&#xFF09;&#xFF0C;&#x5728;&#x5176;&#x4ED6;node&#x4E0A;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#x5B83;&#x4EEC;&#xFF0C;&#x901A;&#x5E38;&#x8BE5;&#x8282;&#x70B9;&#x9700;&#x8981;&#x7EF4;&#x62A4;&#x65F6;&#x4F7F;&#x7528;&#x8BE5;&#x547D;&#x4EE4;&#x3002;&#x76F4;&#x63A5;&#x4F7F;&#x7528;&#x8BE5;&#x547D;&#x4EE4;&#x4F1A;&#x81EA;&#x52A8;&#x8C03;&#x7528;<code>kubectl cordon &lt;node&gt;</code>&#x547D;&#x4EE4;&#x3002;&#x5F53;&#x8BE5;&#x8282;&#x70B9;&#x7EF4;&#x62A4;&#x5B8C;&#x6210;&#xFF0C;&#x542F;&#x52A8;&#x4E86;kubelet&#x540E;&#xFF0C;&#x518D;&#x4F7F;&#x7528;<code>kubectl uncordon &lt;node&gt;</code>&#x5373;&#x53EF;&#x5C06;&#x8BE5;&#x8282;&#x70B9;&#x6DFB;&#x52A0;&#x5230;kubernetes&#x96C6;&#x7FA4;&#x4E2D;&#x3002;</p>
2017-08-21 17:44:43 +08:00
<footer class="page-footer-ex"> <span class="page-footer-ex-copyright">for GitBook</span>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<span class="page-footer-ex-footer-update">update
2017-09-01 21:00:03
2017-08-21 17:44:43 +08:00
</span></footer>
</section>
</div>
<div class="search-results">
<div class="has-results">
<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
<ul class="search-results-list"></ul>
</div>
<div class="no-results">
<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
</div>
</div>
</div>
</div>
</div>
</div>
2017-08-31 23:28:33 +08:00
<a href="init-containers.html" class="navigation navigation-prev " aria-label="Previous page: 2.2.1.2 Init容器">
2017-08-21 17:44:43 +08:00
<i class="fa fa-angle-left"></i>
</a>
<a href="namespace.html" class="navigation navigation-next " aria-label="Next page: 2.2.3 Namespace">
<i class="fa fa-angle-right"></i>
</a>
</div>
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"2.2.2 Node","level":"1.2.2.2","depth":3,"next":{"title":"2.2.3 Namespace","level":"1.2.2.3","depth":3,"path":"concepts/namespace.md","ref":"concepts/namespace.md","articles":[]},"previous":{"title":"2.2.1.2 Init容器","level":"1.2.2.1.2","depth":4,"path":"concepts/init-containers.md","ref":"concepts/init-containers.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github","codesnippet","splitter","page-toc-button","image-captions","page-footer-ex","editlink","-lunr","-search","search-plus"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"github":{"url":"https://github.com/rootsongjc/kubernetes-handbook"},"editlink":{"label":"编辑本页","multilingual":false,"base":"https://github.com/rootsongjc/kubernetes-handbook/blob/master/"},"page-footer-ex":{"copyright":"for GitBook","update_format":"YYYY-MM-DD HH:mm:ss","update_label":"update"},"splitter":{},"codesnippet":{},"fontsettings":{"theme":"white","family":"sans","size":2},"highlight":{},"page-toc-button":{},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"search-plus":{},"image-captions":{"variable_name":"_pictures"}},"page-footer-ex":{"copyright":"Jimmy Song","update_label":"最后更新:","update_format":"YYYY-MM-DD HH:mm:ss"},"theme":"default","author":"Jimmy Song","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{"_pictures":[{"backlink":"concepts/index.html#fig1.2.1","level":"1.2","list_caption":"Figure: Borg架构","alt":"Borg架构","nro":1,"url":"../images/borg.png","index":1,"caption_template":"Figure: _CAPTION_","label":"Borg架构","attributes":{},"skip":false,"key":"1.2.1"},{"backlink":"concepts/index.html#fig1.2.2","level":"1.2","list_caption":"Figure: Kubernetes架构","alt":"Kubernetes架构","nro":2,"url":"../images/architecture.png","index":2,"caption_template":"Figure: _CAPTION_","label":"Kubernetes架构","attributes":{},"skip":false,"key":"1.2.2"},{"backlink":"concepts/index.html#fig1.2.3","level":"1.2","list_caption":"Figure: kubernetes整体架构示意图","alt":"kubernetes整体架构示意图","nro":3,"url":"../images/kubernetes-whole-arch.png","index":3,"caption_template":"Figure: _CAPTION_","label":"kubernetes整体架构示意图","attributes":{},"skip":false,"key":"1.2.3"},{"backlink":"concepts/index.html#fig1.2.4","level":"1.2","list_caption":"Figure: Kubernetes master架构示意图","alt":"Kubernetes master架构示意图","nro":4,"url":"../images/kubernetes-master-arch.png","index":4,"caption_template":"Figure: _CAPTION_","label":"Kubernetes master架构示意图","attributes":{},"skip":false,"key":"1.2.4"},{"backlink":"concepts/index.html#fig1.2.5","level":"1.2","list_caption":"Figure: kubernetes node架构示意图","alt":"kubernetes node架构示意图","nro":5,"url":"../images/kubernetes-node-arch.png","index":5,"caption_template":"Figure: _CAPTION_","label":"kubernetes node架构示意图","attributes":{},"skip":false,"key":"1.2.5"},{"backlink":"concepts/index.html#fig1.2.6","level":"1.2","list_caption":"Figure: Kubernetes分层架构示意图","alt":"Kubernetes分层架构示意图","nro":6,"url":"../images/kubernetes-layers-arch.jpg","index":6,"caption_template":"Figure: _CAPTION_","label":"Kubernetes分层架构示意图","attributes":{},"skip":false,"key":"1.2.6"},{"backlink":"concepts/concepts.html#fig1.2.1.1","level":"1.2.1","list_caption":"Figure: 分层架构示意图","alt"
2017-08-21 17:44:43 +08:00
});
</script>
</div>
<script src="../gitbook/gitbook.js"></script>
<script src="../gitbook/theme.js"></script>
<script src="../gitbook/gitbook-plugin-github/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-splitter/splitter.js"></script>
<script src="../gitbook/gitbook-plugin-page-toc-button/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-editlink/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/jquery.mark.min.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/search.js"></script>
<script src="../gitbook/gitbook-plugin-sharing/buttons.js"></script>
<script src="../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
</body>
</html>