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<title>2.2.1.3 Pod安全策略 · 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="./">
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<a href="./">
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2. 概念原理
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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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<a href="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="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 class="chapter " data-level="1.2.2.1.2" data-path="init-containers.html">
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<a href="init-containers.html">
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2.2.1.2 Init容器
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</a>
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<li class="chapter active" data-level="1.2.2.1.3" data-path="pod-security-policy.html">
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<a href="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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<li class="chapter " data-level="1.2.2.1.4" data-path="pod-lifecycle.html">
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<a href="pod-lifecycle.html">
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2.2.1.4 Pod的生命周期
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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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||
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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 " 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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||
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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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||
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||
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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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||
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<a href="configmap.html">
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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="horizontal-pod-autoscaling.html">
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||
|
||
<a href="horizontal-pod-autoscaling.html">
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||
|
||
|
||
2.2.16 Horizontal Pod Autoscaling
|
||
|
||
</a>
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||
|
||
|
||
|
||
</li>
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|
||
<li class="chapter " data-level="1.2.2.17" data-path="label.html">
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||
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<a href="label.html">
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||
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||
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2.2.17 Label
|
||
|
||
</a>
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||
|
||
|
||
|
||
</li>
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||
|
||
<li class="chapter " data-level="1.2.2.18" data-path="garbage-collection.html">
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||
|
||
<a href="garbage-collection.html">
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||
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||
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2.2.18 垃圾收集
|
||
|
||
</a>
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||
|
||
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||
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||
</li>
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<li class="chapter " data-level="1.2.2.19" data-path="network-policy.html">
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||
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<a href="network-policy.html">
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||
|
||
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2.2.19 NetworkPolicy
|
||
|
||
</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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|
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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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||
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3. 用户指南
|
||
|
||
</a>
|
||
|
||
|
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|
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<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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||
|
||
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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>
|
||
|
||
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||
|
||
</li>
|
||
|
||
<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
|
||
|
||
</a>
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||
|
||
|
||
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||
</li>
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||
|
||
|
||
</ul>
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||
</li>
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||
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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
|
||
|
||
</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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||
|
||
|
||
3.2.1 使用kubectl
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.2.2" data-path="../guide/docker-cli-to-kubectl.html">
|
||
|
||
<a href="../guide/docker-cli-to-kubectl.html">
|
||
|
||
|
||
3.2.2 docker用户过度到kubectl命令行指南
|
||
|
||
</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>
|
||
|
||
<li class="chapter " data-level="1.3.3.6" data-path="../guide/ip-masq-agent.html">
|
||
|
||
<a href="../guide/ip-masq-agent.html">
|
||
|
||
|
||
3.3.6 IP伪装代理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.4" 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="../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>
|
||
|
||
<li class="chapter " data-level="1.4.3.7" data-path="../practice/manage-compute-resources-container.html">
|
||
|
||
<a href="../practice/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="../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>
|
||
|
||
|
||
|
||
</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/service-discovery-in-microservices.html">
|
||
|
||
<a href="../usecases/service-discovery-in-microservices.html">
|
||
|
||
|
||
5.1.1 微服务中的服务发现
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2" data-path="../usecases/service-mesh.html">
|
||
|
||
<a href="../usecases/service-mesh.html">
|
||
|
||
|
||
5.2 Service Mesh 服务网格
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.1" data-path="../usecases/istio.html">
|
||
|
||
<a href="../usecases/istio.html">
|
||
|
||
|
||
5.1.1 Istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.1.1" 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="1.5.2.1.2" data-path="../usecases/configuring-request-routing.html">
|
||
|
||
<a href="../usecases/configuring-request-routing.html">
|
||
|
||
|
||
5.1.1.2 配置请求的路由规则
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.2" data-path="../usecases/linkerd.html">
|
||
|
||
<a href="../usecases/linkerd.html">
|
||
|
||
|
||
5.1.2 Linkerd
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.2.1" data-path="../usecases/linkerd-user-guide.html">
|
||
|
||
<a href="../usecases/linkerd-user-guide.html">
|
||
|
||
|
||
5.1.2.1 Linkerd 使用指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3" data-path="../usecases/big-data.html">
|
||
|
||
<a href="../usecases/big-data.html">
|
||
|
||
|
||
5.2 大数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.3.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
<a href="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
|
||
5.2.1 Spark standalone on Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
|
||
5.2.2 运行支持kubernetes原生调度的Spark程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4" 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">
|
||
|
||
|
||
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">
|
||
本书使用 GitBook 发布
|
||
</a>
|
||
</li>
|
||
</ul>
|
||
|
||
|
||
</nav>
|
||
|
||
|
||
</div>
|
||
|
||
<div class="book-body">
|
||
|
||
<div class="body-inner">
|
||
|
||
|
||
|
||
<div class="book-header" role="navigation">
|
||
|
||
|
||
<!-- Title -->
|
||
<h1>
|
||
<i class="fa fa-circle-o-notch fa-spin"></i>
|
||
<a href=".." >2.2.1.3 Pod安全策略</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="pod-安全策略">Pod 安全策略</h1>
|
||
<p><code>PodSecurityPolicy</code> 类型的对象能够控制，是否可以向 Pod 发送请求，该 Pod 能够影响被应用到 Pod 和容器的 <code>SecurityContext</code>。 查看 <a href="https://git.k8s.io/community/contributors/design-proposals/security-context-constraints.md" target="_blank">Pod 安全策略建议</a> 获取更多信息。</p>
|
||
<h2 id="什么是-pod-安全策略？">什么是 Pod 安全策略？</h2>
|
||
<p><em>Pod 安全策略</em> 是集群级别的资源，它能够控制 Pod 运行的行为，以及它具有访问什么的能力。 <code>PodSecurityPolicy</code>对象定义了一组条件，指示 Pod 必须按系统所能接受的顺序运行。 它们允许管理员控制如下方面：</p>
|
||
<table>
|
||
<thead>
|
||
<tr>
|
||
<th>控制面</th>
|
||
<th>字段名称</th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr>
|
||
<td>已授权容器的运行</td>
|
||
<td><code>privileged</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>为容器添加默认的一组能力</td>
|
||
<td><code>defaultAddCapabilities</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>为容器去掉某些能力</td>
|
||
<td><code>requiredDropCapabilities</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>容器能够请求添加某些能力</td>
|
||
<td><code>allowedCapabilities</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>控制卷类型的使用</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#controlling-volumes" target="_blank"><code>volumes</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>主机网络的使用</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-network" target="_blank"><code>hostNetwork</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>主机端口的使用</td>
|
||
<td><code>hostPorts</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>主机 PID namespace 的使用</td>
|
||
<td><code>hostPID</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>主机 IPC namespace 的使用</td>
|
||
<td><code>hostIPC</code></td>
|
||
</tr>
|
||
<tr>
|
||
<td>主机路径的使用</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#allowed-host-paths" target="_blank"><code>allowedHostPaths</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>容器的 SELinux 上下文</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#selinux" target="_blank"><code>seLinux</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>用户 ID</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#runasuser" target="_blank"><code>runAsUser</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>配置允许的补充组</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#supplementalgroups" target="_blank"><code>supplementalGroups</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>分配拥有 Pod 数据卷的 FSGroup</td>
|
||
<td><a href="https://kubernetes.io/docs/concepts/policy/pod-security-policy/#fsgroup" target="_blank"><code>fsGroup</code></a></td>
|
||
</tr>
|
||
<tr>
|
||
<td>必须使用一个只读的 root 文件系统</td>
|
||
<td><code>readOnlyRootFilesystem</code></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<p><em>Pod 安全策略</em> 由设置和策略组成，它们能够控制 Pod 访问的安全特征。这些设置分为如下三类：</p>
|
||
<ul>
|
||
<li><em>基于布尔值控制</em>：这种类型的字段默认为最严格限制的值。</li>
|
||
<li><em>基于被允许的值集合控制</em>：这种类型的字段会与这组值进行对比，以确认值被允许。</li>
|
||
<li><em>基于策略控制</em>：设置项通过一种策略提供的机制来生成该值，这种机制能够确保指定的值落在被允许的这组值中。</li>
|
||
</ul>
|
||
<h3 id="runasuser">RunAsUser</h3>
|
||
<ul>
|
||
<li><em>MustRunAs</em> - 必须配置一个 <code>range</code>。使用该范围内的第一个值作为默认值。验证是否不在配置的该范围内。</li>
|
||
<li><em>MustRunAsNonRoot</em> - 要求提交的 Pod 具有非零 <code>runAsUser</code> 值，或在镜像中定义了 <code>USER</code> 环境变量。不提供默认值。</li>
|
||
<li><em>RunAsAny</em> - 没有提供默认值。允许指定任何 <code>runAsUser</code> 。</li>
|
||
</ul>
|
||
<h3 id="selinux">SELinux</h3>
|
||
<ul>
|
||
<li><em>MustRunAs</em> - 如果没有使用预分配的值，必须配置 <code>seLinuxOptions</code>。默认使用 <code>seLinuxOptions</code>。验证 <code>seLinuxOptions</code>。</li>
|
||
<li><em>RunAsAny</em> - 没有提供默认值。允许任意指定的 <code>seLinuxOptions</code> ID。</li>
|
||
</ul>
|
||
<h3 id="supplementalgroups">SupplementalGroups</h3>
|
||
<ul>
|
||
<li><em>MustRunAs</em> - 至少需要指定一个范围。默认使用第一个范围的最小值。验证所有范围的值。</li>
|
||
<li><em>RunAsAny</em> - 没有提供默认值。允许任意指定的 <code>supplementalGroups</code> ID。</li>
|
||
</ul>
|
||
<h3 id="fsgroup">FSGroup</h3>
|
||
<ul>
|
||
<li><em>MustRunAs</em> - 至少需要指定一个范围。默认使用第一个范围的最小值。验证在第一个范围内的第一个 ID。</li>
|
||
<li><em>RunAsAny</em> - 没有提供默认值。允许任意指定的 <code>fsGroup</code> ID。</li>
|
||
</ul>
|
||
<h3 id="控制卷">控制卷</h3>
|
||
<p>通过设置 PSP 卷字段，能够控制具体卷类型的使用。当创建一个卷的时候，与该字段相关的已定义卷可以允许设置如下值：</p>
|
||
<ol>
|
||
<li>azureFile</li>
|
||
<li>azureDisk</li>
|
||
<li>flocker</li>
|
||
<li>flexVolume</li>
|
||
<li>hostPath</li>
|
||
<li>emptyDir</li>
|
||
<li>gcePersistentDisk</li>
|
||
<li>awsElasticBlockStore</li>
|
||
<li>gitRepo</li>
|
||
<li>secret</li>
|
||
<li>nfs</li>
|
||
<li>iscsi</li>
|
||
<li>glusterfs</li>
|
||
<li>persistentVolumeClaim</li>
|
||
<li>rbd</li>
|
||
<li>cinder</li>
|
||
<li>cephFS</li>
|
||
<li>downwardAPI</li>
|
||
<li>fc</li>
|
||
<li>configMap</li>
|
||
<li>vsphereVolume</li>
|
||
<li>quobyte</li>
|
||
<li>photonPersistentDisk</li>
|
||
<li>projected</li>
|
||
<li>portworxVolume</li>
|
||
<li>scaleIO</li>
|
||
<li>storageos</li>
|
||
<li>* (allow all volumes)</li>
|
||
</ol>
|
||
<p>对新的 PSP，推荐允许的卷的最小集合包括：configMap、downwardAPI、emptyDir、persistentVolumeClaim、secret 和 projected。</p>
|
||
<h3 id="主机网络">主机网络</h3>
|
||
<ul>
|
||
<li><em>HostPorts</em>， 默认为 <code>empty</code>。<code>HostPortRange</code> 列表通过 <code>min</code>(包含) and <code>max</code>(包含) 来定义，指定了被允许的主机端口。</li>
|
||
</ul>
|
||
<h3 id="允许的主机路径">允许的主机路径</h3>
|
||
<ul>
|
||
<li><em>AllowedHostPaths</em> 是一个被允许的主机路径前缀的白名单。空值表示所有的主机路径都可以使用。</li>
|
||
</ul>
|
||
<h2 id="许可">许可</h2>
|
||
<p>包含 <code>PodSecurityPolicy</code> 的 <em>许可控制</em>，允许控制集群资源的创建和修改，基于这些资源在集群范围内被许可的能力。</p>
|
||
<p>许可使用如下的方式为 Pod 创建最终的安全上下文：</p>
|
||
<ol>
|
||
<li>检索所有可用的 PSP。</li>
|
||
<li>生成在请求中没有指定的安全上下文设置的字段值。</li>
|
||
<li>基于可用的策略，验证最终的设置。</li>
|
||
</ol>
|
||
<p>如果某个策略能够匹配上，该 Pod 就被接受。如果请求与 PSP 不匹配，则 Pod 被拒绝。</p>
|
||
<p>Pod 必须基于 PSP 验证每个字段。</p>
|
||
<h2 id="创建-pod-安全策略">创建 Pod 安全策略</h2>
|
||
<p>下面是一个 Pod 安全策略的例子，所有字段的设置都被允许：</p>
|
||
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> extensions/v1beta1
|
||
<span class="hljs-attr">kind:</span> PodSecurityPolicy
|
||
<span class="hljs-attr">metadata:</span>
|
||
<span class="hljs-attr"> name:</span> permissive
|
||
<span class="hljs-attr">spec:</span>
|
||
<span class="hljs-attr"> seLinux:</span>
|
||
<span class="hljs-attr"> rule:</span> RunAsAny
|
||
<span class="hljs-attr"> supplementalGroups:</span>
|
||
<span class="hljs-attr"> rule:</span> RunAsAny
|
||
<span class="hljs-attr"> runAsUser:</span>
|
||
<span class="hljs-attr"> rule:</span> RunAsAny
|
||
<span class="hljs-attr"> fsGroup:</span>
|
||
<span class="hljs-attr"> rule:</span> RunAsAny
|
||
<span class="hljs-attr"> hostPorts:</span>
|
||
<span class="hljs-attr"> - min:</span> <span class="hljs-number">8000</span>
|
||
<span class="hljs-attr"> max:</span> <span class="hljs-number">8080</span>
|
||
<span class="hljs-attr"> volumes:</span>
|
||
<span class="hljs-bullet"> -</span> <span class="hljs-string">'*'</span>
|
||
</code></pre>
|
||
<p>下载示例文件可以创建该策略，然后执行如下命令：</p>
|
||
<pre><code class="lang-bash">$ kubectl create <span class="hljs-_">-f</span> ./psp.yaml
|
||
podsecuritypolicy <span class="hljs-string">"permissive"</span> created
|
||
</code></pre>
|
||
<h2 id="获取-pod-安全策略列表">获取 Pod 安全策略列表</h2>
|
||
<p>获取已存在策略列表，使用 <code>kubectl get</code>：</p>
|
||
<pre><code class="lang-bash">$ kubectl get psp
|
||
NAME PRIV CAPS SELINUX RUNASUSER FSGROUP SUPGROUP READONLYROOTFS VOLUMES
|
||
permissive <span class="hljs-literal">false</span> [] RunAsAny RunAsAny RunAsAny RunAsAny <span class="hljs-literal">false</span> [*]
|
||
privileged <span class="hljs-literal">true</span> [] RunAsAny RunAsAny RunAsAny RunAsAny <span class="hljs-literal">false</span> [*]
|
||
restricted <span class="hljs-literal">false</span> [] RunAsAny MustRunAsNonRoot RunAsAny RunAsAny <span class="hljs-literal">false</span> [emptyDir secret downwardAPI configMap persistentVolumeClaim projected]
|
||
</code></pre>
|
||
<h2 id="修改-pod-安全策略">修改 Pod 安全策略</h2>
|
||
<p>通过交互方式修改策略，使用 <code>kubectl edit</code>：</p>
|
||
<pre><code class="lang-bash">$ kubectl edit psp permissive
|
||
</code></pre>
|
||
<p>该命令将打开一个默认文本编辑器，在这里能够修改策略。</p>
|
||
<h2 id="删除-pod-安全策略">删除 Pod 安全策略</h2>
|
||
<p>一旦不再需要一个策略，很容易通过 <code>kubectl</code> 删除它：</p>
|
||
<pre><code class="lang-bash">$ kubectl delete psp permissive
|
||
podsecuritypolicy <span class="hljs-string">"permissive"</span> deleted
|
||
</code></pre>
|
||
<h2 id="启用-pod-安全策略">启用 Pod 安全策略</h2>
|
||
<p>为了能够在集群中使用 Pod 安全策略，必须确保如下：</p>
|
||
<ol>
|
||
<li>启用 API 类型 <code>extensions/v1beta1/podsecuritypolicy</code>（仅对 1.6 之前的版本）</li>
|
||
<li>启用许可控制器 <code>PodSecurityPolicy</code></li>
|
||
<li>定义自己的策略</li>
|
||
</ol>
|
||
<h2 id="使用-rbac">使用 RBAC</h2>
|
||
<p>在 Kubernetes 1.5 或更新版本，可以使用 PodSecurityPolicy 来控制，对基于用户角色和组的已授权容器的访问。访问不同的 PodSecurityPolicy 对象，可以基于认证来控制。基于 Deployment、ReplicaSet 等创建的 Pod，限制访问 PodSecurityPolicy 对象，<a href="https://kubernetes.io/docs/admin/kube-controller-manager/" target="_blank">Controller Manager</a> 必须基于安全 API 端口运行，并且不能够具有超级用户权限。</p>
|
||
<p>PodSecurityPolicy 认证使用所有可用的策略，包括创建 Pod 的用户，Pod 上指定的服务账户（service acount）。当 Pod 基于 Deployment、ReplicaSet 创建时，它是创建 Pod 的 Controller Manager，所以如果基于非安全 API 端口运行，允许所有的 PodSecurityPolicy 对象，并且不能够有效地实现细分权限。用户访问给定的 PSP 策略有效，仅当是直接部署 Pod 的情况。更多详情，查看 <a href="https://git.k8s.io/kubernetes/examples/podsecuritypolicy/rbac/README.md" target="_blank">PodSecurityPolicy RBAC 示例</a>，当直接部署 Pod 时，应用 PodSecurityPolicy 控制基于角色和组的已授权容器的访问 。</p>
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<p>原文地址：<a href="https://k8smeetup.github.io/docs/concepts/policy/pod-security-policy/" target="_blank">https://k8smeetup.github.io/docs/concepts/policy/pod-security-policy/</a></p>
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<p>译者：<a href="https://github.com/shirdrn" target="_blank">shirdrn</a></p>
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