1520 lines
64 KiB
HTML
1520 lines
64 KiB
HTML
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<!DOCTYPE HTML>
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<html lang="zh-cn" >
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<head>
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<meta charset="UTF-8">
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
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<title>2.2.13 CronJob · Kubernetes Handbook</title>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="description" content="">
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<meta name="generator" content="GitBook 3.2.2">
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<meta name="author" content="Jimmy Song">
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<link rel="stylesheet" href="../gitbook/style.css">
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<meta name="HandheldFriendly" content="true"/>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
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<link rel="next" href="ingress.html" />
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<link rel="prev" href="job.html" />
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</head>
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<body>
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<nav role="navigation">
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<li class="chapter " data-level="1.1" data-path="../">
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<a href="../">
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1. 前言
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</a>
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</li>
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<li class="chapter " data-level="1.2" data-path="./">
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<a href="./">
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2. 概念原理
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.1" data-path="concepts.html">
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<a href="concepts.html">
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2.1 设计理念
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</a>
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</li>
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<li class="chapter " data-level="1.2.2" data-path="objects.html">
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<a href="objects.html">
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2.2 主要概念
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.2.1" data-path="pod-overview.html">
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<a href="pod-overview.html">
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2.2.1 Pod
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.2.1.1" data-path="pod.html">
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<a href="pod.html">
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2.2.1.1 Pod解析
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</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="1.2.2.2" data-path="node.html">
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<a href="node.html">
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2.2.2 Node
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.3" data-path="namespace.html">
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<a href="namespace.html">
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2.2.3 Namespace
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.4" data-path="service.html">
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<a href="service.html">
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2.2.4 Service
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.5" data-path="volume.html">
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<a href="volume.html">
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2.2.5 Volume和Persistent Volume
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.6" data-path="deployment.html">
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<a href="deployment.html">
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2.2.6 Deployment
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.7" data-path="secret.html">
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<a href="secret.html">
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2.2.7 Secret
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.8" data-path="statefulset.html">
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<a href="statefulset.html">
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2.2.8 StatefulSet
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.9" data-path="daemonset.html">
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<a href="daemonset.html">
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2.2.9 DaemonSet
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.10" data-path="serviceaccount.html">
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<a href="serviceaccount.html">
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2.2.10 ServiceAccount
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.11" data-path="replicaset.html">
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<a href="replicaset.html">
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2.2.11 ReplicationController和ReplicaSet
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.12" data-path="job.html">
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<a href="job.html">
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2.2.12 Job
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</a>
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</li>
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<li class="chapter active" data-level="1.2.2.13" data-path="cronjob.html">
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<a href="cronjob.html">
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2.2.13 CronJob
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.14" data-path="ingress.html">
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<a href="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="1.2.2.15" data-path="configmap.html">
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<a href="configmap.html">
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2.2.15 ConfigMap
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.16" data-path="horizontal-pod-autoscaling.html">
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<a href="horizontal-pod-autoscaling.html">
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2.2.16 Horizontal Pod Autoscaling
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.17" data-path="label.html">
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<a href="label.html">
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2.2.17 Label
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</a>
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</li>
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</ul>
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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" 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="1.3.1" data-path="../guide/resource-configuration.html">
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<a href="../guide/resource-configuration.html">
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3.1 资源配置
|
||
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</a>
|
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<ul class="articles">
|
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<li class="chapter " data-level="1.3.1.1" data-path="../guide/configure-liveness-readiness-probes.html">
|
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<a href="../guide/configure-liveness-readiness-probes.html">
|
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|
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3.1.1 配置Pod的liveness和readiness探针
|
||
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</a>
|
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</li>
|
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<li class="chapter " data-level="1.3.1.2" data-path="../guide/configure-pod-service-account.html">
|
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<a href="../guide/configure-pod-service-account.html">
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3.1.2 配置Pod的Service Account
|
||
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</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" data-path="../guide/command-usage.html">
|
||
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<a href="../guide/command-usage.html">
|
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3.2 命令使用
|
||
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</a>
|
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<ul class="articles">
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<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>
|
||
|
|
|
||
|
|
|
||
|
|
</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>
|
||
|
|
|
||
|
|
|
||
|
|
</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>
|
||
|
|
|
||
|
|
|
||
|
|
</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">
|
||
|
|
|
||
|
|
|
||
|
|
<li class="chapter " data-level="1.5.2.1" data-path="../usecases/spark-on-kubernetes.html">
|
||
|
|
|
||
|
|
<a href="../usecases/spark-on-kubernetes.html">
|
||
|
|
|
||
|
|
|
||
|
|
5.2.1 Spark on Kubernetes
|
||
|
|
|
||
|
|
</a>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
|
||
|
|
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
</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>
|
||
|
|
|
||
|
|
|
||
|
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|
||
|
|
|
||
|
|
<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">
|
||
|
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|
||
|
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|
||
|
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|
||
|
|
<div class="book-header" role="navigation">
|
||
|
|
|
||
|
|
|
||
|
|
<!-- Title -->
|
||
|
|
<h1>
|
||
|
|
<i class="fa fa-circle-o-notch fa-spin"></i>
|
||
|
|
<a href=".." >2.2.13 CronJob</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="cronjob">CronJob</h1>
|
||
|
|
<p>CronJob即定时任务，就类似于Linux系统的crontab，在指定的时间周期运行指定的任务。在Kubernetes 1.5，使用CronJob需要开启<code>batch/v2alpha1</code> API，即<code>--runtime-config=batch/v2alpha1</code>。</p>
|
||
|
|
<h2 id="cronjob-spec">CronJob Spec</h2>
|
||
|
|
<ul>
|
||
|
|
<li><code>.spec.schedule</code>指定任务运行周期，格式同<a href="https://en.wikipedia.org/wiki/Cron" target="_blank">Cron</a></li>
|
||
|
|
<li><code>.spec.jobTemplate</code>指定需要运行的任务，格式同<a href="job.html">Job</a></li>
|
||
|
|
<li><code>.spec.startingDeadlineSeconds</code>指定任务开始的截止期限</li>
|
||
|
|
<li><code>.spec.concurrencyPolicy</code>指定任务的并发策略，支持Allow、Forbid和Replace三个选项</li>
|
||
|
|
</ul>
|
||
|
|
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> batch/v2alpha1
|
||
|
|
<span class="hljs-attr">kind:</span> CronJob
|
||
|
|
<span class="hljs-attr">metadata:</span>
|
||
|
|
<span class="hljs-attr"> name:</span> hello
|
||
|
|
<span class="hljs-attr">spec:</span>
|
||
|
|
<span class="hljs-attr"> schedule:</span> <span class="hljs-string">"*/1 * * * *"</span>
|
||
|
|
<span class="hljs-attr"> jobTemplate:</span>
|
||
|
|
<span class="hljs-attr"> spec:</span>
|
||
|
|
<span class="hljs-attr"> template:</span>
|
||
|
|
<span class="hljs-attr"> spec:</span>
|
||
|
|
<span class="hljs-attr"> containers:</span>
|
||
|
|
<span class="hljs-attr"> - name:</span> hello
|
||
|
|
<span class="hljs-attr"> image:</span> busybox
|
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<span class="hljs-attr"> args:</span>
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<span class="hljs-bullet"> -</span> /bin/sh
|
||
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<span class="hljs-bullet"> -</span> -c
|
||
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<span class="hljs-bullet"> -</span> date; echo Hello from the Kubernetes cluster
|
||
|
|
<span class="hljs-attr"> restartPolicy:</span> OnFailure
|
||
|
|
</code></pre>
|
||
|
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<pre><code class="lang-Bash">$ kubectl create <span class="hljs-_">-f</span> cronjob.yaml
|
||
|
|
cronjob <span class="hljs-string">"hello"</span> created
|
||
|
|
</code></pre>
|
||
|
|
<p>当然，也可以用<code>kubectl run</code>来创建一个CronJob：</p>
|
||
|
|
<pre><code class="lang-bash">kubectl run hello --schedule=<span class="hljs-string">"*/1 * * * *"</span> --restart=OnFailure --image=busybox -- /bin/sh -c <span class="hljs-string">"date; echo Hello from the Kubernetes cluster"</span>
|
||
|
|
</code></pre>
|
||
|
|
<pre><code class="lang-bash">$ kubectl get cronjob
|
||
|
|
NAME SCHEDULE SUSPEND ACTIVE LAST-SCHEDULE
|
||
|
|
hello */1 * * * * False 0 <none>
|
||
|
|
$ kubectl get <span class="hljs-built_in">jobs</span>
|
||
|
|
NAME DESIRED SUCCESSFUL AGE
|
||
|
|
hello-1202039034 1 1 49s
|
||
|
|
$ pods=$(kubectl get pods --selector=job-name=hello-1202039034 --output=jsonpath={.items..metadata.name} <span class="hljs-_">-a</span>)
|
||
|
|
$ kubectl logs <span class="hljs-variable">$pods</span>
|
||
|
|
Mon Aug 29 21:34:09 UTC 2016
|
||
|
|
Hello from the Kubernetes cluster
|
||
|
|
|
||
|
|
<span class="hljs-comment"># 注意，删除cronjob的时候不会自动删除job，这些job可以用kubectl delete job来删除</span>
|
||
|
|
$ kubectl delete cronjob hello
|
||
|
|
cronjob <span class="hljs-string">"hello"</span> deleted
|
||
|
|
</code></pre>
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