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<title>4.3.3 配置最佳实践 · Kubernetes Handbook</title>
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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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<li class="chapter " data-level="1.2" data-path="../concepts/">
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<a href="../concepts/">
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2. 概念原理
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<a href="../concepts/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="../concepts/objects.html">
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<a href="../concepts/objects.html">
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2.2 Objects
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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="../concepts/pod-overview.html">
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<a href="../concepts/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="../concepts/pod.html">
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<a href="../concepts/pod.html">
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2.2.1.1 Pod解析
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</a>
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<li class="chapter " data-level="1.2.2.1.2" data-path="../concepts/init-containers.html">
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<a href="../concepts/init-containers.html">
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2.2.1.2 Init容器
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.1.3" data-path="../concepts/pod-security-policy.html">
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<a href="../concepts/pod-security-policy.html">
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2.2.1.3 Pod安全策略
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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="../concepts/node.html">
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<a href="../concepts/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="../concepts/namespace.html">
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<a href="../concepts/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="../concepts/service.html">
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<a href="../concepts/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="../concepts/volume.html">
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<a href="../concepts/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="../concepts/deployment.html">
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<a href="../concepts/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="../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>
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<li class="chapter " data-level="1.2.2.8" data-path="../concepts/statefulset.html">
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<a href="../concepts/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="../concepts/daemonset.html">
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<a href="../concepts/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="../concepts/serviceaccount.html">
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<a href="../concepts/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="../concepts/replicaset.html">
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<a href="../concepts/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="../concepts/job.html">
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<a href="../concepts/job.html">
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2.2.12 Job
|
||
|
||
</a>
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</li>
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<li class="chapter " data-level="1.2.2.13" data-path="../concepts/cronjob.html">
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<a href="../concepts/cronjob.html">
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2.2.13 CronJob
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||
|
||
</a>
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||
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</li>
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<li class="chapter " data-level="1.2.2.14" 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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||
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||
</a>
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||
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||
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</li>
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<li class="chapter " data-level="1.2.2.15" data-path="../concepts/configmap.html">
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<a href="../concepts/configmap.html">
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||
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||
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2.2.15 ConfigMap
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||
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||
</a>
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||
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||
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||
</li>
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<li class="chapter " data-level="1.2.2.16" data-path="../concepts/horizontal-pod-autoscaling.html">
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||
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||
<a href="../concepts/horizontal-pod-autoscaling.html">
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||
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||
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2.2.16 Horizontal Pod Autoscaling
|
||
|
||
</a>
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||
|
||
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||
|
||
</li>
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||
|
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<li class="chapter " data-level="1.2.2.17" data-path="../concepts/label.html">
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||
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||
<a href="../concepts/label.html">
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||
|
||
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2.2.17 Label
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.2.2.18" 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
|
||
|
||
</a>
|
||
|
||
|
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|
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</li>
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||
|
||
<li class="chapter " data-level="1.2.2.19" data-path="../concepts/network-policy.html">
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||
|
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<a href="../concepts/network-policy.html">
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||
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||
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2.2.19 NetworkPolicy
|
||
|
||
</a>
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||
|
||
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||
</li>
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||
|
||
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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/">
|
||
|
||
<a href="../guide/">
|
||
|
||
|
||
3. 用户指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
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|
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|
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<li class="chapter " data-level="1.3.1" data-path="../guide/resource-configuration.html">
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|
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<a href="../guide/resource-configuration.html">
|
||
|
||
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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>
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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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||
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||
<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">
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||
|
||
<a href="../guide/using-kubectl.html">
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||
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||
|
||
3.2.1 使用kubectl
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.3" data-path="../guide/cluster-security-management.html">
|
||
|
||
<a href="../guide/cluster-security-management.html">
|
||
|
||
|
||
3.3 集群安全性管理
|
||
|
||
</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>
|
||
|
||
|
||
|
||
</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>
|
||
|
||
|
||
|
||
</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>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4" data-path="./">
|
||
|
||
<a href="./">
|
||
|
||
|
||
4. 最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.1" 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="1.4.1.1" 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="1.4.1.2" 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="1.4.1.3" 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="1.4.1.4" 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="1.4.1.5" 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="1.4.1.6" 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="1.4.1.7" 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="1.4.1.8" 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="1.4.1.9" 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="1.4.1.10" 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="1.4.2" 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="1.4.2.1" 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="1.4.2.2" 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="1.4.2.3" 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="1.4.2.4" data-path="edge-node-configuration.html">
|
||
|
||
<a href="edge-node-configuration.html">
|
||
|
||
|
||
4.2.4 边缘节点配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3" data-path="operation.html">
|
||
|
||
<a href="operation.html">
|
||
|
||
|
||
4.3 运维管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.3.1" 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="1.4.3.2" 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 active" data-level="1.4.3.3" 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="1.4.3.4" 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="1.4.3.5" data-path="jenkins-ci-cd.html">
|
||
|
||
<a href="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="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="1.4.3.7" 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="1.4.4" data-path="storage.html">
|
||
|
||
<a href="storage.html">
|
||
|
||
|
||
4.4 存储管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1" data-path="glusterfs.html">
|
||
|
||
<a href="glusterfs.html">
|
||
|
||
|
||
4.4.1 GlusterFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1.1" 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="1.4.4.1.2" 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="1.4.4.2" data-path="cephfs.html">
|
||
|
||
<a href="cephfs.html">
|
||
|
||
|
||
4.4.2 CephFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.2.1" 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>
|
||
|
||
|
||
</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-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="1.5.2.2" 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>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</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>
|
||
|
||
|
||
|
||
</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">
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6.3 client-go示例
|
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<a href="../develop/contribute.html">
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6.4 社区贡献
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</li>
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<li class="chapter " data-level="1.7" data-path="../appendix/">
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<a href="../appendix/">
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7. 附录
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<ul class="articles">
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<li class="chapter " data-level="1.7.1" data-path="../appendix/docker-best-practice.html">
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<a href="../appendix/docker-best-practice.html">
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7.1 Docker最佳实践
|
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</a>
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</li>
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<a href="../appendix/issues.html">
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||
7.2 问题记录
|
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</a>
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</li>
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<li class="chapter " data-level="1.7.3" data-path="../appendix/tricks.html">
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<a href="../appendix/tricks.html">
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||
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||
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||
7.3 使用技巧
|
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本書使用 GitBook 釋出
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<!-- Title -->
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<h1>
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<i class="fa fa-circle-o-notch fa-spin"></i>
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<a href=".." >4.3.3 配置最佳实践</a>
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<section class="normal markdown-section">
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<h1 id="配置最佳实践">配置最佳实践</h1>
|
||
<p>本文档旨在汇总和强调用户指南、快速开始文档和示例中的最佳实践。该文档会很活跃并持续更新中。如果你觉得很有用的最佳实践但是本文档中没有包含，欢迎给我们提Pull Request。</p>
|
||
<h2 id="通用配置建议">通用配置建议</h2>
|
||
<ul>
|
||
<li>定义配置文件的时候，指定最新的稳定API版本（目前是V1）。</li>
|
||
<li>在配置文件push到集群之前应该保存在版本控制系统中。这样当需要的时候能够快速回滚，必要的时候也可以快速的创建集群。</li>
|
||
<li>使用YAML格式而不是JSON格式的配置文件。在大多数场景下它们都可以作为数据交换格式，但是YAML格式比起JSON更易读和配置。</li>
|
||
<li>尽量将相关的对象放在同一个配置文件里。这样比分成多个文件更容易管理。参考<a href="https://github.com/kubernetes/kubernetes/tree/master/examples/guestbook/all-in-one/guestbook-all-in-one.yaml" target="_blank">guestbook-all-in-one.yaml</a>文件中的配置（注意，尽管你可以在使用<code>kubectl</code>命令时指定配置文件目录，你也可以在配置文件目录下执行<code>kubectl create</code>——查看下面的详细信息）。</li>
|
||
<li>为了简化和最小化配置，也为了防止错误发生，不要指定不必要的默认配置。例如，省略掉<code>ReplicationController</code>的selector和label，如果你希望它们跟<code>podTemplate</code>中的label一样的话，因为那些配置默认是<code>podTemplate</code>的label产生的。更多信息请查看 <a href="https://github.com/kubernetes/kubernetes/tree/master/examples/guestbook/" target="_blank">guestbook app</a> 的yaml文件和 <a href="https://github.com/kubernetes/kubernetes/tree/master/examples/guestbook/frontend-deployment.yaml" target="_blank">examples</a> 。</li>
|
||
<li>将资源对象的描述放在一个annotation中可以更好的内省。</li>
|
||
</ul>
|
||
<h2 id="裸的pods-vs-replication-controllers和-jobs">裸的Pods vs Replication Controllers和 Jobs</h2>
|
||
<ul>
|
||
<li>如果有其他方式替代“裸的“ pod（如没有绑定到<a href="https://kubernetes.io/docs/user-guide/replication-controller" target="_blank">replication controller </a>上的pod），那么就使用其他选择。在node节点出现故障时，裸奔的pod不会被重新调度。Replication Controller总是会重新创建pod，除了明确指定了<a href="https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy" target="_blank"><code>restartPolicy: Never</code></a> 的场景。<a href="https://kubernetes.io/docs/concepts/jobs/run-to-completion-finite-workloads/" target="_blank">Job</a> 也许是比较合适的选择。</li>
|
||
</ul>
|
||
<h2 id="services">Services</h2>
|
||
<ul>
|
||
<li>通常最好在创建相关的<a href="https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/" target="_blank">replication controllers</a>之前先创建<a href="https://kubernetes.io/docs/concepts/services-networking/service/" target="_blank">service</a> ，你也可以在创建Replication Controller的时候不指定replica数量（默认是1），创建service后，在通过Replication Controller来扩容。这样可以在扩容很多个replica之前先确认pod是正常的。</li>
|
||
<li>除非十分必要的情况下（如运行一个node daemon），不要使用<code>hostPort</code>（用来指定暴露在主机上的端口号）。当你给Pod绑定了一个<code>hostPort</code>，该pod可被调度到的主机的受限了，因为端口冲突。如果是为了调试目的来通过端口访问的话，你可以使用 <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/http-proxy-access-api/" target="_blank">kubectl proxy and apiserver proxy</a> 或者 <a href="https://kubernetes.io/docs/tasks/access-application-cluster/port-forward-access-application-cluster/" target="_blank">kubectl port-forward</a>。你可使用 <a href="https://kubernetes.io/docs/concepts/services-networking/service/" target="_blank">Service</a> 来对外暴露服务。如果你确实需要将pod的端口暴露到主机上，考虑使用 <a href="https://kubernetes.io/docs/user-guide/services/#type-nodeport" target="_blank">NodePort</a> service。</li>
|
||
<li>跟<code>hostPort</code>一样的原因，避免使用 <code>hostNetwork</code>。</li>
|
||
<li>如果你不需要kube-proxy的负载均衡的话，可以考虑使用使用<a href="https://kubernetes.io/docs/user-guide/services/#headless-services" target="_blank">headless services</a>。</li>
|
||
</ul>
|
||
<h2 id="使用label">使用Label</h2>
|
||
<ul>
|
||
<li><p>定义 <a href="https://kubernetes.io/docs/user-guide/labels/" target="_blank">labels</a> 来指定应用或Deployment的 <strong>semantic attributes</strong> 。例如，不是将label附加到一组pod来显式表示某些服务（例如，<code>service:myservice</code>），或者显式地表示管理pod的replication controller（例如，<code>controller:mycontroller</code>），附加label应该是标示语义属性的标签， 例如<code>{app:myapp,tier:frontend,phase:test,deployment:v3}</code>。 这将允许您选择适合上下文的对象组——例如，所有的”tier:frontend“pod的服务或app是“myapp”的所有“测试”阶段组件。 有关此方法的示例，请参阅<a href="https://github.com/kubernetes/kubernetes/tree/master/examples/guestbook/" target="_blank">guestbook</a>应用程序。</p>
|
||
<p>可以通过简单地从其service的选择器中省略特定于发行版本的标签，而不是更新服务的选择器来完全匹配replication controller的选择器，来实现跨越多个部署的服务，例如滚动更新。</p>
|
||
</li>
|
||
<li><p>为了滚动升级的方便，在Replication Controller的名字中包含版本信息，例如作为名字的后缀。设置一个<code>version</code>标签页是很有用的。滚动更新创建一个新的controller而不是修改现有的controller。因此，version含混不清的controller名字就可能带来问题。查看<a href="https://kubernetes.io/docs/tasks/run-application/rolling-update-replication-controller/" target="_blank">Rolling Update Replication Controller</a>文档获取更多关于滚动升级命令的信息。</p>
|
||
<p>注意 <a href="https://kubernetes.io/docs/concepts/workloads/controllers/deployment/" target="_blank">Deployment</a> 对象不需要再管理 replication controller 的版本名。Deployment 中描述了对象的期望状态，如果对spec的更改被应用了话，Deployment controller 会以控制的速率来更改实际状态到期望状态。（Deployment目前是 <a href="https://kubernetes.io/docs/concepts/overview/kubernetes-api/#api-groups" target="_blank"><code>extensions</code> API Group</a>的一部分）。</p>
|
||
</li>
|
||
<li><p>利用label做调试。因为Kubernetes replication controller和service使用label来匹配pods，这允许你通过移除pod中的label的方式将其从一个controller或者service中移除，原来的controller会创建一个新的pod来取代移除的pod。这是一个很有用的方式，帮你在一个隔离的环境中调试之前的“活着的” pod。查看 <a href="https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/" target="_blank"><code>kubectl label</code></a> 命令。</p>
|
||
</li>
|
||
</ul>
|
||
<h2 id="容器镜像">容器镜像</h2>
|
||
<ul>
|
||
<li><p><a href="https://kubernetes.io/docs/concepts/containers/images/" target="_blank">默认容器镜像拉取策略</a> 是 <code>IfNotPresent</code>, 当本地已存在该镜像的时候 <a href="https://kubernetes.io/docs/admin/kubelet/" target="_blank">Kubelet</a> 不会再从镜像仓库拉取。如果你希望总是从镜像仓库中拉取镜像的话，在yaml文件中指定镜像拉取策略为<code>Always</code>（ <code>imagePullPolicy: Always</code>）或者指定镜像的tag为 <code>:latest</code> 。</p>
|
||
<p>如果你没有将镜像标签指定为<code>:latest</code>，例如指定为<code>myimage:v1</code>，当该标签的镜像进行了更新，kubelet也不会拉取该镜像。你可以在每次镜像更新后都生成一个新的tag（例如<code>myimage:v2</code>），在配置文件中明确指定该版本。</p>
|
||
<p><strong>注意：</strong> 在生产环境下部署容器应该尽量避免使用<code>:latest</code>标签，因为这样很难追溯到底运行的是哪个版本的容器和回滚。</p>
|
||
</li>
|
||
</ul>
|
||
<h2 id="使用kubectl">使用kubectl</h2>
|
||
<ul>
|
||
<li>尽量使用 <code>kubectl create -f <directory></code> 。kubeclt会自动查找该目录下的所有后缀名为<code>.yaml</code>、<code>.yml</code>和<code>.json</code>文件并将它们传递给<code>create</code>命令。</li>
|
||
<li>使用 <code>kubectl delete</code> 而不是 <code>stop</code>. <code>Delete</code> 是 <code>stop</code>的超集，<code>stop</code> 已经被弃用。</li>
|
||
<li>使用 kubectl bulk 操作（通过文件或者label）来get和delete。查看<a href="https://kubernetes.io/docs/user-guide/labels/#label-selectors" target="_blank">label selectors </a>和 <a href="https://kubernetes.io/docs/concepts/cluster-administration/manage-deployment/#using-labels-effectively" target="_blank">using labels effectively</a>。</li>
|
||
<li>使用 <code>kubectl run</code> 和 <code>expose</code> 命令快速创建只有单个容器的Deployment。查看 <a href="https://kubernetes.io/docs/user-guide/quick-start/" target="_blank">quick start guide</a>中的示例。</li>
|
||
</ul>
|
||
<h2 id="参考">参考</h2>
|
||
<p><a href="https://kubernetes.io/docs/concepts/configuration/overview/" target="_blank">Configuration Best Practices</a> </p>
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<footer class="page-footer-ex"> <span class="page-footer-ex-copyright">for GitBook</span>           <span class="page-footer-ex-footer-update">update
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