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<title>NetworkPolicy · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)</title>
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<li>
<a href="https://jimmysong.io" target="_blank" class="custom-link">回到主页</a>
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<li>
<a href="https://jimmysong.io/awesome-cloud-native" target="_blank" class="custom-link">Awesome Cloud Native</a>
</li>
<li>
<a href="https://cloudnative.to" target="_blank" class="custom-link">云原生社区</a>
</li>
<li>
<a href="https://cloudnativeindustryalliance.github.io/whitepaper2020/" target="_blank" class="custom-link">中国云原生发展白皮书2020</a>
</li>
<li>
<a href="https://jimmysong.io/guide-to-cloud-native-app/" target="_blank" class="custom-link">云原生应用白皮书</a>
</li>
<li class="divider"></li>
<li class="header">前言</li>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
</a>
</li>
<li class="header">云原生</li>
<li class="chapter " data-level="2.1" data-path="../cloud-native/cloud-native-definition.html">
<a href="../cloud-native/cloud-native-definition.html">
<b>2.1.</b>
云原生Cloud Native的定义
</a>
</li>
<li class="chapter " data-level="2.2" data-path="../cloud-native/cloud-native-philosophy.html">
<a href="../cloud-native/cloud-native-philosophy.html">
<b>2.2.</b>
云原生的设计哲学
</a>
</li>
<li class="chapter " data-level="2.3" data-path="../cloud-native/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>2.3.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="2.4" data-path="../cloud-native/cloud-native-local-quick-start.html">
<a href="../cloud-native/cloud-native-local-quick-start.html">
<b>2.4.</b>
快速部署一个云原生本地实验环境
</a>
</li>
<li class="chapter " data-level="2.5" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<b>2.5.</b>
使用 Rancher 在阿里云上部署 Kubenretes 集群
</a>
</li>
<li class="chapter " data-level="2.6" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.6.</b>
Kubernetes 与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.7" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.7.</b>
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
</a>
</li>
<li class="chapter " data-level="2.8" data-path="../cloud-native/define-cloud-native-app.html">
<a href="../cloud-native/define-cloud-native-app.html">
<b>2.8.</b>
定义云原生应用
</a>
<ul class="articles">
<li class="chapter " data-level="2.8.1" data-path="../cloud-native/oam.html">
<a href="../cloud-native/oam.html">
<b>2.8.1.</b>
OAM
</a>
<ul class="articles">
<li class="chapter " data-level="2.8.1.1" data-path="../cloud-native/workload.html">
<a href="../cloud-native/workload.html">
<b>2.8.1.1.</b>
Workload
</a>
</li>
<li class="chapter " data-level="2.8.1.2" data-path="../cloud-native/component.html">
<a href="../cloud-native/component.html">
<b>2.8.1.2.</b>
Component
</a>
</li>
<li class="chapter " data-level="2.8.1.3" data-path="../cloud-native/trait.html">
<a href="../cloud-native/trait.html">
<b>2.8.1.3.</b>
Trait
</a>
</li>
<li class="chapter " data-level="2.8.1.4" data-path="../cloud-native/application-scope.html">
<a href="../cloud-native/application-scope.html">
<b>2.8.1.4.</b>
Application Scope
</a>
</li>
<li class="chapter " data-level="2.8.1.5" data-path="../cloud-native/application-configuration.html">
<a href="../cloud-native/application-configuration.html">
<b>2.8.1.5.</b>
Application Configuration
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.8.2" data-path="../cloud-native/crossplane.html">
<a href="../cloud-native/crossplane.html">
<b>2.8.2.</b>
Crossplane
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.9" data-path="../cloud-native/cloud-native-programming-languages.html">
<a href="../cloud-native/cloud-native-programming-languages.html">
<b>2.9.</b>
云原生编程语言
</a>
<ul class="articles">
<li class="chapter " data-level="2.9.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
<b>2.9.1.</b>
云原生编程语言 Ballerina
</a>
</li>
<li class="chapter " data-level="2.9.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
<b>2.9.2.</b>
云原生编程语言 Pulumi
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.10" data-path="../cloud-native/the-future-of-cloud-native.html">
<a href="../cloud-native/the-future-of-cloud-native.html">
<b>2.10.</b>
云原生的未来
</a>
</li>
<li class="header">概念与原理</li>
<li class="chapter " data-level="3.1" data-path="./">
<a href="./">
<b>3.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.1" data-path="concepts.html">
<a href="concepts.html">
<b>3.1.1.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="3.1.2" data-path="etcd.html">
<a href="etcd.html">
<b>3.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="3.1.3" data-path="open-interfaces.html">
<a href="open-interfaces.html">
<b>3.1.3.</b>
开放接口
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.3.1" data-path="cri.html">
<a href="cri.html">
<b>3.1.3.1.</b>
CRI - Container Runtime Interface容器运行时接口
</a>
</li>
<li class="chapter " data-level="3.1.3.2" data-path="cni.html">
<a href="cni.html">
<b>3.1.3.2.</b>
CNI - Container Network Interface容器网络接口
</a>
</li>
<li class="chapter " data-level="3.1.3.3" data-path="csi.html">
<a href="csi.html">
<b>3.1.3.3.</b>
CSI - Container Storage Interface容器存储接口
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2" data-path="networking.html">
<a href="networking.html">
<b>3.2.</b>
Kubernetes 中的网络
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="flannel.html">
<a href="flannel.html">
<b>3.2.1.</b>
Kubernetes 中的网络解析 —— 以 flannel 为例
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="calico.html">
<a href="calico.html">
<b>3.2.2.</b>
Kubernetes 中的网络解析 —— 以 calico 为例
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="cilium.html">
<a href="cilium.html">
<b>3.2.3.</b>
具备 API 感知的网络和安全性管理开源软件 Cilium
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.1" data-path="cilium-concepts.html">
<a href="cilium-concepts.html">
<b>3.2.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="objects.html">
<a href="objects.html">
<b>3.3.</b>
资源对象与基本概念解析
</a>
</li>
<li class="chapter " data-level="3.4" data-path="pod-state-and-lifecycle.html">
<a href="pod-state-and-lifecycle.html">
<b>3.4.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>3.4.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="pod.html">
<a href="pod.html">
<b>3.4.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>3.4.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="pause-container.html">
<a href="pause-container.html">
<b>3.4.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>3.4.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>3.4.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="3.4.7" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>3.4.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>3.4.8.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="3.4.9" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>3.4.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="cluster.html">
<a href="cluster.html">
<b>3.5.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="node.html">
<a href="node.html">
<b>3.5.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="namespace.html">
<a href="namespace.html">
<b>3.5.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="label.html">
<a href="label.html">
<b>3.5.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="annotation.html">
<a href="annotation.html">
<b>3.5.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>3.5.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>3.5.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="controllers.html">
<a href="controllers.html">
<b>3.6.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="deployment.html">
<a href="deployment.html">
<b>3.6.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="3.6.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>3.6.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>3.6.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="3.6.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>3.6.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="3.6.5" data-path="job.html">
<a href="job.html">
<b>3.6.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="3.6.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>3.6.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="3.6.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>3.6.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>3.6.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6.8" data-path="admission-controller.html">
<a href="admission-controller.html">
<b>3.6.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.7" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>3.7.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.1" data-path="service.html">
<a href="service.html">
<b>3.7.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="3.7.2" data-path="ingress.html">
<a href="ingress.html">
<b>3.7.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>3.7.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.8" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>3.8.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="3.8.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>3.8.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="3.8.2" data-path="rbac.html">
<a href="rbac.html">
<b>3.8.2.</b>
RBAC—— 基于角色的访问控制
</a>
</li>
<li class="chapter active" data-level="3.8.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>3.8.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9" data-path="storage.html">
<a href="storage.html">
<b>3.9.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.1" data-path="secret.html">
<a href="secret.html">
<b>3.9.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="3.9.2" data-path="configmap.html">
<a href="configmap.html">
<b>3.9.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>3.9.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9.3" data-path="volume.html">
<a href="volume.html">
<b>3.9.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="3.9.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>3.9.4.</b>
Persistent Volume持久化卷
</a>
</li>
<li class="chapter " data-level="3.9.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>3.9.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="3.9.6" data-path="local-persistent-storage.html">
<a href="local-persistent-storage.html">
<b>3.9.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.10" data-path="extension.html">
<a href="extension.html">
<b>3.10.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="3.10.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>3.10.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter " data-level="3.10.2" data-path="crd.html">
<a href="crd.html">
<b>3.10.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="3.10.3" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>3.10.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="3.10.4" data-path="apiservice.html">
<a href="apiservice.html">
<b>3.10.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="3.10.5" data-path="service-catalog.html">
<a href="service-catalog.html">
<b>3.10.5.</b>
Service Catalog
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.11" data-path="scheduling.html">
<a href="scheduling.html">
<b>3.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="3.11.1" data-path="qos.html">
<a href="qos.html">
<b>3.11.1.</b>
QoS服务质量等级
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="4.1" data-path="../guide/">
<a href="../guide/">
<b>4.1.</b>
用户指南
</a>
</li>
<li class="chapter " data-level="4.2" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
<b>4.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
<b>4.2.1.</b>
配置 Pod 的 liveness 和 readiness 探针
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
<b>4.2.2.</b>
配置 Pod 的 Service Account
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../guide/secret-configuration.html">
<a href="../guide/secret-configuration.html">
<b>4.2.3.</b>
Secret 配置
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../guide/resource-quota-management.html">
<a href="../guide/resource-quota-management.html">
<b>4.2.4.</b>
管理 namespace 中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
<b>4.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../guide/docker-cli-to-kubectl.html">
<a href="../guide/docker-cli-to-kubectl.html">
<b>4.3.1.</b>
Docker 用户过渡到 kubectl 命令行指南
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
<b>4.3.2.</b>
kubectl 命令概览
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../guide/kubectl-cheatsheet.html">
<a href="../guide/kubectl-cheatsheet.html">
<b>4.3.3.</b>
kubectl 命令技巧大全
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
<b>4.3.4.</b>
使用 etcdctl 访问 kubernetes 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../guide/cluster-security-management.html">
<a href="../guide/cluster-security-management.html">
<b>4.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
<a href="../guide/managing-tls-in-a-cluster.html">
<b>4.4.1.</b>
管理集群中的 TLS
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
<b>4.4.2.</b>
kubelet 的认证授权
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
<b>4.4.3.</b>
TLS bootstrap
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
<b>4.4.4.</b>
创建用户认证授权的 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../guide/ip-masq-agent.html">
<a href="../guide/ip-masq-agent.html">
<b>4.4.5.</b>
IP 伪装代理
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../guide/auth-with-kubeconfig-or-token.html">
<a href="../guide/auth-with-kubeconfig-or-token.html">
<b>4.4.6.</b>
使用 kubeconfig 或 token 进行用户身份认证
</a>
</li>
<li class="chapter " data-level="4.4.7" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
<b>4.4.7.</b>
Kubernetes 中的用户与身份认证授权
</a>
</li>
<li class="chapter " data-level="4.4.8" data-path="../guide/kubernetes-security-best-practice.html">
<a href="../guide/kubernetes-security-best-practice.html">
<b>4.4.8.</b>
Kubernetes 集群安全性配置最佳实践
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../guide/access-kubernetes-cluster.html">
<a href="../guide/access-kubernetes-cluster.html">
<b>4.5.</b>
访问 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../guide/access-cluster.html">
<a href="../guide/access-cluster.html">
<b>4.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="4.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
<b>4.5.2.</b>
使用 kubeconfig 文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="4.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
<a href="../guide/connecting-to-applications-port-forward.html">
<b>4.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.4" data-path="../guide/service-access-application-cluster.html">
<a href="../guide/service-access-application-cluster.html">
<b>4.5.4.</b>
使用 service 访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.5" data-path="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<a href="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<b>4.5.5.</b>
从外部访问 Kubernetes 中的 Pod
</a>
</li>
<li class="chapter " data-level="4.5.6" data-path="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<a href="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<b>4.5.6.</b>
Cabin - Kubernetes 手机客户端
</a>
</li>
<li class="chapter " data-level="4.5.7" data-path="../guide/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>4.5.7.</b>
Kubernetic - Kubernetes 桌面客户端
</a>
</li>
<li class="chapter " data-level="4.5.8" data-path="../guide/kubernator-kubernetes-ui.html">
<a href="../guide/kubernator-kubernetes-ui.html">
<b>4.5.8.</b>
Kubernator - 更底层的 Kubernetes UI
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../guide/application-development-deployment-flow.html">
<a href="../guide/application-development-deployment-flow.html">
<b>4.6.</b>
在 Kubernetes 中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
<a href="../guide/deploy-applications-in-kubernetes.html">
<b>4.6.1.</b>
适用于 kubernetes 的应用开发部署流程
</a>
</li>
<li class="chapter " data-level="4.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<b>4.6.2.</b>
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
</a>
</li>
<li class="chapter " data-level="4.6.3" data-path="../guide/using-statefulset.html">
<a href="../guide/using-statefulset.html">
<b>4.6.3.</b>
使用 StatefulSet 部署用状态应用
</a>
</li>
</ul>
</li>
<li class="header">最佳实践</li>
<li class="chapter " data-level="5.1" data-path="../practice/">
<a href="../practice/">
<b>5.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../practice/install-kubernetes-on-centos.html">
<a href="../practice/install-kubernetes-on-centos.html">
<b>5.2.</b>
在 CentOS 上部署 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>5.2.1.</b>
创建 TLS 证书和秘钥
</a>
</li>
<li class="chapter " data-level="5.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>5.2.2.</b>
创建 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="5.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>5.2.3.</b>
创建高可用 etcd 集群
</a>
</li>
<li class="chapter " data-level="5.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>5.2.4.</b>
安装 kubectl 命令行工具
</a>
</li>
<li class="chapter " data-level="5.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>5.2.5.</b>
部署 master 节点
</a>
</li>
<li class="chapter " data-level="5.2.6" data-path="../practice/flannel-installation.html">
<a href="../practice/flannel-installation.html">
<b>5.2.6.</b>
安装 flannel 网络插件
</a>
</li>
<li class="chapter " data-level="5.2.7" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>5.2.7.</b>
部署 node 节点
</a>
</li>
<li class="chapter " data-level="5.2.8" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>5.2.8.</b>
安装 kubedns 插件
</a>
</li>
<li class="chapter " data-level="5.2.9" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>5.2.9.</b>
安装 dashboard 插件
</a>
</li>
<li class="chapter " data-level="5.2.10" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>5.2.10.</b>
安装 heapster 插件
</a>
</li>
<li class="chapter " data-level="5.2.11" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>5.2.11.</b>
安装 EFK 插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../practice/install-kubernetes-with-kubeadm.html">
<a href="../practice/install-kubernetes-with-kubeadm.html">
<b>5.3.</b>
生产级的 Kubernetes 简化管理工具 kubeadm
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
<a href="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
<b>5.3.1.</b>
使用 kubeadm 在 Ubuntu Server 16.04 上快速构建测试集群
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>5.4.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>5.4.1.</b>
安装 Traefik ingress
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>5.4.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="5.4.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>5.4.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="5.4.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>5.4.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="5.4.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>5.4.5.</b>
安装 Nginx ingress
</a>
</li>
<li class="chapter " data-level="5.4.6" data-path="../practice/dns-installation.html">
<a href="../practice/dns-installation.html">
<b>5.4.6.</b>
安装配置 DNS
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.6.1" data-path="../practice/configuring-dns.html">
<a href="../practice/configuring-dns.html">
<b>5.4.6.1.</b>
安装配置 Kube-dns
</a>
</li>
<li class="chapter " data-level="5.4.6.2" data-path="../practice/coredns.html">
<a href="../practice/coredns.html">
<b>5.4.6.2.</b>
安装配置 CoreDNS
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>5.5.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../practice/master-ha.html">
<a href="../practice/master-ha.html">
<b>5.5.1.</b>
Master 节点高可用
</a>
</li>
<li class="chapter " data-level="5.5.2" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>5.5.2.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="5.5.3" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>5.5.3.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="5.5.4" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>5.5.4.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="5.5.5" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>5.5.5.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="5.5.6" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>5.5.6.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="5.5.7" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>5.5.7.</b>
管理容器的计算资源
</a>
</li>
<li class="chapter " data-level="5.5.8" data-path="../practice/federation.html">
<a href="../practice/federation.html">
<b>5.5.8.</b>
集群联邦
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>5.6.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>5.6.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>5.6.1.1.</b>
使用 GlusterFS 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.1.2" data-path="../practice/using-heketi-gluster-for-persistent-storage.html">
<a href="../practice/using-heketi-gluster-for-persistent-storage.html">
<b>5.6.1.2.</b>
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
</a>
</li>
<li class="chapter " data-level="5.6.1.3" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>5.6.1.3.</b>
在 OpenShift 中使用 GlusterFS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.2" data-path="../practice/glusterd-2.0.html">
<a href="../practice/glusterd-2.0.html">
<b>5.6.2.</b>
GlusterD-2.0
</a>
</li>
<li class="chapter " data-level="5.6.3" data-path="../practice/ceph.html">
<a href="../practice/ceph.html">
<b>5.6.3.</b>
Ceph
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.3.1" data-path="../practice/ceph-helm-install-guide-zh.html">
<a href="../practice/ceph-helm-install-guide-zh.html">
<b>5.6.3.1.</b>
用 Helm 托管安装 Ceph 集群并提供后端存储
</a>
</li>
<li class="chapter " data-level="5.6.3.2" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>5.6.3.2.</b>
使用 Ceph 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.3.3" data-path="../practice/rbd-provisioner.html">
<a href="../practice/rbd-provisioner.html">
<b>5.6.3.3.</b>
使用 rbd-provisioner 提供 rbd 持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.4" data-path="../practice/openebs.html">
<a href="../practice/openebs.html">
<b>5.6.4.</b>
OpenEBS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.4.1" data-path="../practice/using-openebs-for-persistent-storage.html">
<a href="../practice/using-openebs-for-persistent-storage.html">
<b>5.6.4.1.</b>
使用 OpenEBS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.5" data-path="../practice/rook.html">
<a href="../practice/rook.html">
<b>5.6.5.</b>
Rook
</a>
</li>
<li class="chapter " data-level="5.6.6" data-path="../practice/nfs.html">
<a href="../practice/nfs.html">
<b>5.6.6.</b>
NFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.6.1" data-path="../practice/using-nfs-for-persistent-storage.html">
<a href="../practice/using-nfs-for-persistent-storage.html">
<b>5.6.6.1.</b>
利用 NFS 动态提供 Kubernetes 后端存储卷
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>5.7.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>5.7.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>5.7.1.1.</b>
使用 Heapster 获取集群和对象的 metric 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>5.7.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>5.7.2.1.</b>
使用 Prometheus 监控 kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.7.2.2" data-path="../practice/promql.html">
<a href="../practice/promql.html">
<b>5.7.2.2.</b>
Prometheus 查询语言 PromQL 使用说明
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.3" data-path="../practice/vistio-visualize-your-istio-mesh.html">
<a href="../practice/vistio-visualize-your-istio-mesh.html">
<b>5.7.3.</b>
使用 Vistio 监控 Istio 服务网格中的流量
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.8" data-path="../practice/distributed-tracing.html">
<a href="../practice/distributed-tracing.html">
<b>5.8.</b>
分布式跟踪
</a>
<ul class="articles">
<li class="chapter " data-level="5.8.1" data-path="../practice/opentracing.html">
<a href="../practice/opentracing.html">
<b>5.8.1.</b>
OpenTracing
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.9" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>5.9.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.9.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>5.9.1.</b>
使用 Helm 管理 Kubernetes 应用
</a>
</li>
<li class="chapter " data-level="5.9.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>5.9.2.</b>
构建私有 Chart 仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.10" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>5.10.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="5.10.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>5.10.1.</b>
使用 Jenkins 进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="5.10.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>5.10.2.</b>
使用 Drone 进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.11" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>5.11.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="5.11.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>5.11.1.</b>
手动升级 Kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.11.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>5.11.2.</b>
升级 dashboard
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.12" data-path="../practice/controller-extended.html">
<a href="../practice/controller-extended.html">
<b>5.12.</b>
扩展控制器
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1" data-path="../practice/openkruise.html">
<a href="../practice/openkruise.html">
<b>5.12.1.</b>
OpenKruise
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1.1" data-path="../practice/in-place-update.html">
<a href="../practice/in-place-update.html">
<b>5.12.1.1.</b>
原地升级
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="6.1" data-path="../usecases/">
<a href="../usecases/">
<b>6.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>6.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>6.2.1.</b>
微服务中的服务发现
</a>
</li>
<li class="chapter " data-level="6.2.2" data-path="../usecases/microservices-for-java-developers.html">
<a href="../usecases/microservices-for-java-developers.html">
<b>6.2.2.</b>
使用 Java 构建微服务并发布到 Kubernetes 平台
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.2.1" data-path="../usecases/spring-boot-quick-start-guide.html">
<a href="../usecases/spring-boot-quick-start-guide.html">
<b>6.2.2.1.</b>
Spring Boot 快速开始指南
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>6.3.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1" data-path="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<a href="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<b>6.3.1.</b>
企业级服务网格架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1.1" data-path="../usecases/service-mesh-fundamental.html">
<a href="../usecases/service-mesh-fundamental.html">
<b>6.3.1.1.</b>
Service Mesh 基础
</a>
</li>
<li class="chapter " data-level="6.3.1.2" data-path="../usecases/comparing-service-mesh-technologies.html">
<a href="../usecases/comparing-service-mesh-technologies.html">
<b>6.3.1.2.</b>
Service Mesh 技术对比
</a>
</li>
<li class="chapter " data-level="6.3.1.3" data-path="../usecases/service-mesh-adoption-and-evolution.html">
<a href="../usecases/service-mesh-adoption-and-evolution.html">
<b>6.3.1.3.</b>
采纳和演进
</a>
</li>
<li class="chapter " data-level="6.3.1.4" data-path="../usecases/service-mesh-customization-and-integration.html">
<a href="../usecases/service-mesh-customization-and-integration.html">
<b>6.3.1.4.</b>
定制和集成
</a>
</li>
<li class="chapter " data-level="6.3.1.5" data-path="../usecases/service-mesh-conclusion.html">
<a href="../usecases/service-mesh-conclusion.html">
<b>6.3.1.5.</b>
总结
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.2" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>6.3.2.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.2.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>6.3.2.1.</b>
安装并试用 Istio service mesh
</a>
</li>
<li class="chapter " data-level="6.3.2.2" data-path="../usecases/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>6.3.2.2.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="6.3.2.3" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>6.3.2.3.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="6.3.2.4" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>6.3.2.4.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="6.3.2.5" data-path="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<a href="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<b>6.3.2.5.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="6.3.2.6" data-path="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<a href="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<b>6.3.2.6.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.3" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>6.3.3.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.3.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>6.3.3.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.4" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>6.3.4.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.4.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>6.3.4.1.</b>
Condiut 概览
</a>
</li>
<li class="chapter " data-level="6.3.4.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>6.3.4.2.</b>
安装 Conduit
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.5" data-path="../usecases/envoy.html">
<a href="../usecases/envoy.html">
<b>6.3.5.</b>
Envoy
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.5.1" data-path="../usecases/envoy-terminology.html">
<a href="../usecases/envoy-terminology.html">
<b>6.3.5.1.</b>
Envoy 的架构与基本术语
</a>
</li>
<li class="chapter " data-level="6.3.5.2" data-path="../usecases/envoy-front-proxy.html">
<a href="../usecases/envoy-front-proxy.html">
<b>6.3.5.2.</b>
Envoy 作为前端代理
</a>
</li>
<li class="chapter " data-level="6.3.5.3" data-path="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<a href="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<b>6.3.5.3.</b>
Envoy mesh 教程
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.6" data-path="../usecases/mosn.html">
<a href="../usecases/mosn.html">
<b>6.3.6.</b>
MOSN
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>6.4.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>6.4.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="6.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>6.4.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>6.5.</b>
Serverless 架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>6.5.1.</b>
理解 Serverless
</a>
</li>
<li class="chapter " data-level="6.5.2" data-path="../usecases/faas.html">
<a href="../usecases/faas.html">
<b>6.5.2.</b>
FaaS函数即服务
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.2.1" data-path="../usecases/openfaas-quick-start.html">
<a href="../usecases/openfaas-quick-start.html">
<b>6.5.2.1.</b>
OpenFaaS 快速入门指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5.3" data-path="../usecases/knative.html">
<a href="../usecases/knative.html">
<b>6.5.3.</b>
Knative
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>6.6.</b>
边缘计算
</a>
</li>
<li class="chapter " data-level="6.7" data-path="../usecases/ai.html">
<a href="../usecases/ai.html">
<b>6.7.</b>
人工智能
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="7.1" data-path="../develop/">
<a href="../develop/">
<b>7.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>7.2.</b>
SIG 和工作组
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>7.3.</b>
开发环境搭建
</a>
<ul class="articles">
<li class="chapter " data-level="7.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
<b>7.3.1.</b>
本地分布式开发环境搭建(使用 Vagrant 和 Virtualbox
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>7.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>7.5.</b>
client-go 示例
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../develop/operator.html">
<a href="../develop/operator.html">
<b>7.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="7.6.1" data-path="../develop/operator-sdk.html">
<a href="../develop/operator-sdk.html">
<b>7.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.7" data-path="../develop/kubebuilder.html">
<a href="../develop/kubebuilder.html">
<b>7.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter " data-level="7.7.1" data-path="../develop/kubebuilder-example.html">
<a href="../develop/kubebuilder-example.html">
<b>7.7.1.</b>
使用 kubebuilder 创建 operator 示例
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.8" data-path="../develop/advance-developer.html">
<a href="../develop/advance-developer.html">
<b>7.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="7.9" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>7.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="7.10" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>7.10.</b>
Minikube
</a>
</li>
<li class="header">CNCF云原生计算基金会</li>
<li class="chapter " data-level="8.1" data-path="../cloud-native/cncf.html">
<a href="../cloud-native/cncf.html">
<b>8.1.</b>
CNCF - 云原生计算基金会简介
</a>
</li>
<li class="chapter " data-level="8.2" data-path="../cloud-native/cncf-charter.html">
<a href="../cloud-native/cncf-charter.html">
<b>8.2.</b>
CNCF 章程
</a>
</li>
<li class="chapter " data-level="8.3" data-path="../cloud-native/cncf-sig.html">
<a href="../cloud-native/cncf-sig.html">
<b>8.3.</b>
CNCF 特别兴趣小组SIG说明
</a>
</li>
<li class="chapter " data-level="8.4" data-path="../cloud-native/cncf-sandbox-criteria.html">
<a href="../cloud-native/cncf-sandbox-criteria.html">
<b>8.4.</b>
开源项目加入 CNCF Sandbox 的要求
</a>
</li>
<li class="chapter " data-level="8.5" data-path="../cloud-native/cncf-project-governing.html">
<a href="../cloud-native/cncf-project-governing.html">
<b>8.5.</b>
CNCF 中的项目治理
</a>
</li>
<li class="chapter " data-level="8.6" data-path="../cloud-native/cncf-ambassador.html">
<a href="../cloud-native/cncf-ambassador.html">
<b>8.6.</b>
CNCF Ambassador
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="9.1" data-path="../appendix/">
<a href="../appendix/">
<b>9.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="9.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>9.2.</b>
Kubernetes 中的应用故障排查
</a>
</li>
<li class="chapter " data-level="9.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>9.3.</b>
Kubernetes 相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="9.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>9.4.</b>
Docker 最佳实践
</a>
</li>
<li class="chapter " data-level="9.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>9.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="9.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>9.6.</b>
问题记录
</a>
</li>
<li class="chapter " data-level="9.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>9.7.</b>
Kubernetes 版本更新日志
</a>
<ul class="articles">
<li class="chapter " data-level="9.7.1" data-path="../appendix/kubernetes-1.7-changelog.html">
<a href="../appendix/kubernetes-1.7-changelog.html">
<b>9.7.1.</b>
Kubernetes1.7 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.2" data-path="../appendix/kubernetes-1.8-changelog.html">
<a href="../appendix/kubernetes-1.8-changelog.html">
<b>9.7.2.</b>
Kubernetes1.8 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.3" data-path="../appendix/kubernetes-1.9-changelog.html">
<a href="../appendix/kubernetes-1.9-changelog.html">
<b>9.7.3.</b>
Kubernetes1.9 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.4" data-path="../appendix/kubernetes-1.10-changelog.html">
<a href="../appendix/kubernetes-1.10-changelog.html">
<b>9.7.4.</b>
Kubernetes1.10 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.5" data-path="../appendix/kubernetes-1.11-changelog.html">
<a href="../appendix/kubernetes-1.11-changelog.html">
<b>9.7.5.</b>
Kubernetes1.11 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.6" data-path="../appendix/kubernetes-1.12-changelog.html">
<a href="../appendix/kubernetes-1.12-changelog.html">
<b>9.7.6.</b>
Kubernetes1.12 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.7" data-path="../appendix/kubernetes-1.13-changelog.html">
<a href="../appendix/kubernetes-1.13-changelog.html">
<b>9.7.7.</b>
Kubernetes1.13 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.8" data-path="../appendix/kubernetes-1.14-changelog.html">
<a href="../appendix/kubernetes-1.14-changelog.html">
<b>9.7.8.</b>
Kubernetes1.14 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.9" data-path="../appendix/kubernetes-1.15-changelog.html">
<a href="../appendix/kubernetes-1.15-changelog.html">
<b>9.7.9.</b>
Kubernetes1.15 更新日志
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.8" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>9.8.</b>
Kubernetes 及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="9.8.1" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
<b>9.8.1.</b>
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
</a>
</li>
<li class="chapter " data-level="9.8.2" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
<b>9.8.2.</b>
Kubernetes 与云原生 2018 年年终总结及 2019 年展望
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.9" data-path="../appendix/cncf-annual-report.html">
<a href="../appendix/cncf-annual-report.html">
<b>9.9.</b>
CNCF 年度报告解读
</a>
<ul class="articles">
<li class="chapter " data-level="9.9.1" data-path="../appendix/cncf-annual-report-2018.html">
<a href="../appendix/cncf-annual-report-2018.html">
<b>9.9.1.</b>
CNCF 2018 年年度报告解读
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.10" data-path="../appendix/about-kcsp.html">
<a href="../appendix/about-kcsp.html">
<b>9.10.</b>
Kubernetes 认证服务提供商KCSP说明
</a>
</li>
<li class="chapter " data-level="9.11" data-path="../appendix/about-cka-candidate.html">
<a href="../appendix/about-cka-candidate.html">
<b>9.11.</b>
认证 Kubernetes 管理员CKA说明
</a>
</li>
<li class="divider"></li>
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<h1 id="network-policy">Network Policy</h1>
<p>&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x8BF4;&#x660E;&#x4E00;&#x7EC4; <code>Pod</code> &#x4E4B;&#x95F4;&#x662F;&#x5982;&#x4F55;&#x88AB;&#x5141;&#x8BB8;&#x4E92;&#x76F8;&#x901A;&#x4FE1;&#xFF0C;&#x4EE5;&#x53CA;&#x5982;&#x4F55;&#x4E0E;&#x5176;&#x5B83;&#x7F51;&#x7EDC; Endpoint &#x8FDB;&#x884C;&#x901A;&#x4FE1;&#x3002; <code>NetworkPolicy</code> &#x8D44;&#x6E90;&#x4F7F;&#x7528;&#x6807;&#x7B7E;&#x6765;&#x9009;&#x62E9; <code>Pod</code>&#xFF0C;&#x5E76;&#x5B9A;&#x4E49;&#x4E86;&#x4E00;&#x4E9B;&#x89C4;&#x5219;&#xFF0C;&#x8FD9;&#x4E9B;&#x89C4;&#x5219;&#x6307;&#x660E;&#x5141;&#x8BB8;&#x4EC0;&#x4E48;&#x6D41;&#x91CF;&#x8FDB;&#x5165;&#x5230;&#x9009;&#x4E2D;&#x7684; <code>Pod</code> &#x4E0A;&#x3002;&#x5173;&#x4E8E; Network Policy &#x7684;&#x8BE6;&#x7EC6;&#x7528;&#x6CD5;&#x8BF7;&#x53C2;&#x8003; <a href="https://kubernetes.io/docs/concepts/services-networking/network-policies/" target="_blank">Kubernetes &#x5B98;&#x7F51;</a>&#x3002;</p>
<p>Network Policy &#x7684;&#x4F5C;&#x7528;&#x5BF9;&#x8C61;&#x662F; Pod&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x5E94;&#x7528;&#x5230; Namespace &#x548C;&#x96C6;&#x7FA4;&#x7684; Ingress&#x3001;Egress &#x6D41;&#x91CF;&#x3002;Network Policy &#x662F;&#x4F5C;&#x7528;&#x5728; L3/4 &#x5C42;&#x7684;&#xFF0C;&#x5373;&#x9650;&#x5236;&#x7684;&#x662F;&#x5BF9; IP &#x5730;&#x5740;&#x548C;&#x7AEF;&#x53E3;&#x7684;&#x8BBF;&#x95EE;&#xFF0C;&#x5982;&#x679C;&#x9700;&#x8981;&#x5BF9;&#x5E94;&#x7528;&#x5C42;&#x505A;&#x8BBF;&#x95EE;&#x9650;&#x5236;&#x9700;&#x8981;&#x4F7F;&#x7528;&#x5982; <a href="https://istio.io" target="_blank">Istio</a> &#x8FD9;&#x7C7B; Service Mesh&#x3002;</p>
<h2 id="&#x524D;&#x63D0;&#x6761;&#x4EF6;">&#x524D;&#x63D0;&#x6761;&#x4EF6;</h2>
<p>&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x901A;&#x8FC7;&#x7F51;&#x7EDC;&#x63D2;&#x4EF6;&#x6765;&#x5B9E;&#x73B0;&#xFF0C;&#x6240;&#x4EE5;&#x5FC5;&#x987B;&#x4F7F;&#x7528;&#x4E00;&#x79CD;&#x652F;&#x6301; <code>NetworkPolicy</code> &#x7684;&#x7F51;&#x7EDC;&#x65B9;&#x6848;&#xFF08;&#x5982; <a href="https://www.projectcalico.org/" target="_blank">calico</a>&#xFF09;&#x2014;&#x2014; &#x975E; Controller &#x521B;&#x5EFA;&#x7684;&#x8D44;&#x6E90;&#xFF0C;&#x662F;&#x4E0D;&#x8D77;&#x4F5C;&#x7528;&#x7684;&#x3002;</p>
<h2 id="&#x9694;&#x79BB;&#x7684;&#x4E0E;&#x672A;&#x9694;&#x79BB;&#x7684;-pod">&#x9694;&#x79BB;&#x7684;&#x4E0E;&#x672A;&#x9694;&#x79BB;&#x7684; Pod</h2>
<p>&#x9ED8;&#x8BA4; Pod &#x662F;&#x672A;&#x9694;&#x79BB;&#x7684;&#xFF0C;&#x5B83;&#x4EEC;&#x53EF;&#x4EE5;&#x4ECE;&#x4EFB;&#x4F55;&#x7684;&#x6E90;&#x63A5;&#x6536;&#x8BF7;&#x6C42;&#x3002; &#x5177;&#x6709;&#x4E00;&#x4E2A;&#x53EF;&#x4EE5;&#x9009;&#x62E9; Pod &#x7684;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x540E;&#xFF0C;Pod &#x5C31;&#x4F1A;&#x53D8;&#x6210;&#x9694;&#x79BB;&#x7684;&#x3002; &#x4E00;&#x65E6; Namespace &#x4E2D;&#x914D;&#x7F6E;&#x7684;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x80FD;&#x591F;&#x9009;&#x62E9;&#x4E00;&#x4E2A;&#x7279;&#x5B9A;&#x7684; Pod&#xFF0C;&#x8FD9;&#x4E2A; Pod &#x5C06;&#x62D2;&#x7EDD;&#x4EFB;&#x4F55;&#x8BE5;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x4E0D;&#x5141;&#x8BB8;&#x7684;&#x8FDE;&#x63A5;&#x3002;&#xFF08;Namespace &#x4E2D;&#x5176;&#x5B83;&#x672A;&#x88AB;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x9009;&#x4E2D;&#x7684; Pod &#x5C06;&#x7EE7;&#x7EED;&#x63A5;&#x6536;&#x6240;&#x6709;&#x6D41;&#x91CF;&#xFF09;</p>
<h2 id="networkpolicy-&#x8D44;&#x6E90;"><code>NetworkPolicy</code> &#x8D44;&#x6E90;</h2>
<p>&#x4E0B;&#x9762;&#x662F;&#x4E00;&#x4E2A; <code>NetworkPolicy</code> &#x7684;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> networking.k8s.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> NetworkPolicy
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> test<span class="token punctuation">-</span>network<span class="token punctuation">-</span>policy
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> default
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">podSelector</span><span class="token punctuation">:</span>
<span class="token key atrule">matchLabels</span><span class="token punctuation">:</span>
<span class="token key atrule">role</span><span class="token punctuation">:</span> db
<span class="token key atrule">policyTypes</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> Ingress
<span class="token punctuation">-</span> Egress
<span class="token key atrule">ingress</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">from</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">ipBlock</span><span class="token punctuation">:</span>
<span class="token key atrule">cidr</span><span class="token punctuation">:</span> 172.17.0.0/16
<span class="token key atrule">except</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> 172.17.1.0/24
<span class="token punctuation">-</span> <span class="token key atrule">namespaceSelector</span><span class="token punctuation">:</span>
<span class="token key atrule">matchLabels</span><span class="token punctuation">:</span>
<span class="token key atrule">project</span><span class="token punctuation">:</span> myproject
<span class="token punctuation">-</span> <span class="token key atrule">podSelector</span><span class="token punctuation">:</span>
<span class="token key atrule">matchLabels</span><span class="token punctuation">:</span>
<span class="token key atrule">role</span><span class="token punctuation">:</span> frontend
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">protocol</span><span class="token punctuation">:</span> TCP
<span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">6379</span>
<span class="token key atrule">egress</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">to</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">ipBlock</span><span class="token punctuation">:</span>
<span class="token key atrule">cidr</span><span class="token punctuation">:</span> 10.0.0.0/24
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">protocol</span><span class="token punctuation">:</span> TCP
<span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">5978</span>
</code></pre>
<p><em>&#x5C06;&#x4E0A;&#x9762;&#x914D;&#x7F6E; POST &#x5230; API Server &#x5C06;&#x4E0D;&#x8D77;&#x4EFB;&#x4F55;&#x4F5C;&#x7528;&#xFF0C;&#x9664;&#x975E;&#x9009;&#x62E9;&#x7684;&#x7F51;&#x7EDC;&#x65B9;&#x6848;&#x652F;&#x6301;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x3002;</em></p>
<p><strong>&#x5FC5;&#x9009;&#x5B57;&#x6BB5;</strong>&#xFF1A;&#x50CF;&#x6240;&#x6709;&#x5176;&#x5B83; Kubernetes &#x914D;&#x7F6E;&#x4E00;&#x6837;&#xFF0C; <code>NetworkPolicy</code> &#x9700;&#x8981; <code>apiVersion</code>&#x3001;<code>kind</code> &#x548C; <code>metadata</code> &#x8FD9;&#x4E09;&#x4E2A;&#x5B57;&#x6BB5;&#xFF0C;&#x5173;&#x4E8E;&#x5982;&#x4F55;&#x4F7F;&#x7528;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x57FA;&#x672C;&#x4FE1;&#x606F;&#xFF0C;&#x53EF;&#x4EE5;&#x67E5;&#x770B; <a href="https://kubernetes.io/docs/user-guide/configuring-containers" target="_blank">&#x8FD9;&#x91CC;</a>&#x3002;</p>
<p><strong>spec</strong>&#xFF1A;<code>NetworkPolicy</code> spec &#x5177;&#x6709;&#x5728;&#x7ED9;&#x5B9A; Namespace &#x4E2D;&#x5B9A;&#x4E49;&#x7279;&#x5B9A;&#x7F51;&#x7EDC;&#x7684;&#x5168;&#x90E8;&#x4FE1;&#x606F;&#x3002;</p>
<p><strong>podSelector</strong>&#xFF1A;&#x6BCF;&#x4E2A; <code>NetworkPolicy</code> &#x5305;&#x542B;&#x4E00;&#x4E2A; <code>podSelector</code>&#xFF0C;&#x5B83;&#x53EF;&#x4EE5;&#x9009;&#x62E9;&#x4E00;&#x7EC4;&#x5E94;&#x7528;&#x4E86;&#x7F51;&#x7EDC;&#x7B56;&#x7565;&#x7684; Pod&#x3002;&#x7531;&#x4E8E; <code>NetworkPolicy</code> &#x5F53;&#x524D;&#x53EA;&#x652F;&#x6301;&#x5B9A;&#x4E49; <code>ingress</code> &#x89C4;&#x5219;&#xFF0C;&#x8FD9;&#x4E2A; <code>podSelector</code> &#x5B9E;&#x9645;&#x4E0A;&#x4E3A;&#x8BE5;&#x7B56;&#x7565;&#x5B9A;&#x4E49;&#x4E86;&#x4E00;&#x7EC4; &#x201C;&#x76EE;&#x6807;Pod&#x201D;&#x3002;&#x793A;&#x4F8B;&#x4E2D;&#x7684;&#x7B56;&#x7565;&#x9009;&#x62E9;&#x4E86;&#x6807;&#x7B7E;&#x4E3A; &#x201C;role=db&#x201D; &#x7684; Pod&#x3002;&#x4E00;&#x4E2A;&#x7A7A;&#x7684; <code>podSelector</code> &#x9009;&#x62E9;&#x4E86;&#x8BE5; Namespace &#x4E2D;&#x7684;&#x6240;&#x6709; Pod&#x3002;</p>
<p><strong>ingress</strong>&#xFF1A;&#x6BCF;&#x4E2A;<code>NetworkPolicy</code> &#x5305;&#x542B;&#x4E86;&#x4E00;&#x4E2A;&#x767D;&#x540D;&#x5355; <code>ingress</code> &#x89C4;&#x5219;&#x5217;&#x8868;&#x3002;&#x6BCF;&#x4E2A;&#x89C4;&#x5219;&#x53EA;&#x5141;&#x8BB8;&#x80FD;&#x591F;&#x5339;&#x914D;&#x4E0A; <code>from</code> &#x548C; <code>ports</code>&#x914D;&#x7F6E;&#x6BB5;&#x7684;&#x6D41;&#x91CF;&#x3002;&#x793A;&#x4F8B;&#x7B56;&#x7565;&#x5305;&#x542B;&#x4E86;&#x5355;&#x4E2A;&#x89C4;&#x5219;&#xFF0C;&#x5B83;&#x4ECE;&#x8FD9;&#x4E24;&#x4E2A;&#x6E90;&#x4E2D;&#x5339;&#x914D;&#x5728;&#x5355;&#x4E2A;&#x7AEF;&#x53E3;&#x4E0A;&#x7684;&#x6D41;&#x91CF;&#xFF0C;&#x7B2C;&#x4E00;&#x4E2A;&#x662F;&#x901A;&#x8FC7;<code>namespaceSelector</code> &#x6307;&#x5B9A;&#x7684;&#xFF0C;&#x7B2C;&#x4E8C;&#x4E2A;&#x662F;&#x901A;&#x8FC7; <code>podSelector</code> &#x6307;&#x5B9A;&#x7684;&#x3002;</p>
<p><strong>egress</strong>&#xFF1A;&#x6BCF;&#x4E2A;<code>NetworkPolicy</code> &#x5305;&#x542B;&#x4E86;&#x4E00;&#x4E2A;&#x767D;&#x540D;&#x5355; <code>ingress</code> &#x89C4;&#x5219;&#x5217;&#x8868;&#x3002;&#x6BCF;&#x4E2A;&#x89C4;&#x5219;&#x53EA;&#x5141;&#x8BB8;&#x80FD;&#x591F;&#x5339;&#x914D;&#x4E0A; <code>to</code> &#x548C; <code>ports</code>&#x914D;&#x7F6E;&#x6BB5;&#x7684;&#x6D41;&#x91CF;&#x3002;&#x793A;&#x4F8B;&#x7B56;&#x7565;&#x5305;&#x542B;&#x4E86;&#x5355;&#x4E2A;&#x89C4;&#x5219;&#xFF0C;&#x5B83;&#x5339;&#x914D;&#x76EE;&#x7684;&#x5730; <code>10.0.0.0/24</code> &#x5355;&#x4E2A;&#x7AEF;&#x53E3;&#x7684;&#x6D41;&#x91CF;&#x3002;</p>
<p>&#x56E0;&#x6B64;&#xFF0C;&#x4E0A;&#x9762;&#x793A;&#x4F8B;&#x7684; NetworkPolicy&#xFF1A;</p>
<ol>
<li>&#x5728; &#x201C;default&#x201D; Namespace&#x4E2D; &#x9694;&#x79BB;&#x4E86;&#x6807;&#x7B7E; &#x201C;role=db&#x201D; &#x7684; Pod&#xFF08;&#x5982;&#x679C;&#x4ED6;&#x4EEC;&#x8FD8;&#x6CA1;&#x6709;&#x88AB;&#x9694;&#x79BB;&#xFF09;</li>
<li>&#x5728; &#x201C;default&#x201D; Namespace&#x4E2D;&#xFF0C;&#x5141;&#x8BB8;&#x4EFB;&#x4F55;&#x5177;&#x6709; &#x201C;role=frontend&#x201D; &#x7684; Pod&#xFF0C;IP &#x8303;&#x56F4;&#x5728; 172.17.0.0&#x2013;172.17.0.255 &#x548C; 172.17.2.0&#x2013;172.17.255.255&#xFF08;&#x6574;&#x4E2A; 172.17.0.0/16 &#x6BB5;&#xFF0C; 172.17.1.0/24 &#x9664;&#x5916;&#xFF09;&#x8FDE;&#x63A5;&#x5230;&#x6807;&#x7B7E;&#x4E3A; &#x201C;role=db&#x201D; &#x7684; Pod &#x7684; TCP &#x7AEF;&#x53E3; 6379</li>
<li>&#x5141;&#x8BB8;&#x5728; Namespace &#x4E2D;&#x4EFB;&#x4F55;&#x5177;&#x6709;&#x6807;&#x7B7E; &#x201C;project=myproject&#x201D; &#xFF0C;IP&#x8303;&#x56F4;&#x5728;10.0.0.0/24&#x6BB5;&#x7684; Pod&#xFF0C;&#x8FDE;&#x63A5;&#x5230; &#x201C;default&#x201D; Namespace &#x4E2D;&#x6807;&#x7B7E;&#x4E3A; &#x201C;role=db&#x201D; &#x7684; Pod &#x7684; TCP &#x7AEF;&#x53E3; 5978</li>
</ol>
<p>&#x67E5;&#x770B; <a href="https://kubernetes.io/docs/getting-started-guides/network-policy/walkthrough" target="_blank">NetworkPolicy &#x5165;&#x95E8;&#x6307;&#x5357;</a>&#x7ED9;&#x51FA;&#x7684;&#x66F4;&#x8FDB;&#x4E00;&#x6B65;&#x7684;&#x4F8B;&#x5B50;&#x3002;</p>
<h2 id="&#x9ED8;&#x8BA4;&#x7B56;&#x7565;">&#x9ED8;&#x8BA4;&#x7B56;&#x7565;</h2>
<p>&#x901A;&#x8FC7;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x53EF;&#x4EE5;&#x9009;&#x62E9;&#x6240;&#x6709; Pod &#x4F46;&#x4E0D;&#x5141;&#x8BB8;&#x4EFB;&#x4F55;&#x6D41;&#x91CF;&#x7684; NetworkPolicy&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x4E3A;&#x4E00;&#x4E2A; Namespace &#x521B;&#x5EFA;&#x4E00;&#x4E2A; &#x201C;&#x9ED8;&#x8BA4;&#x7684;&#x201D; &#x9694;&#x79BB;&#x7B56;&#x7565;&#xFF0C;&#x5982;&#x4E0B;&#x6240;&#x793A;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> networking.k8s.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> NetworkPolicy
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> default<span class="token punctuation">-</span>deny
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">podSelector</span><span class="token punctuation">:</span>
</code></pre>
<p>&#x8FD9;&#x786E;&#x4FDD;&#x4E86;&#x5373;&#x4F7F;&#x662F;&#x6CA1;&#x6709;&#x88AB;&#x4EFB;&#x4F55; NetworkPolicy &#x9009;&#x4E2D;&#x7684; Pod&#xFF0C;&#x5C06;&#x4ECD;&#x7136;&#x662F;&#x88AB;&#x9694;&#x79BB;&#x7684;&#x3002;</p>
<p>&#x53EF;&#x9009;&#x5730;&#xFF0C;&#x5728; Namespace &#x4E2D;&#xFF0C;&#x5982;&#x679C;&#x4F60;&#x60F3;&#x5141;&#x8BB8;&#x6240;&#x6709;&#x7684;&#x6D41;&#x91CF;&#x8FDB;&#x5165;&#x5230;&#x6240;&#x6709;&#x7684; Pod&#xFF08;&#x5373;&#x4F7F;&#x5DF2;&#x7ECF;&#x6DFB;&#x52A0;&#x4E86;&#x67D0;&#x4E9B;&#x7B56;&#x7565;&#xFF0C;&#x4F7F;&#x4E00;&#x4E9B; Pod &#x88AB;&#x5904;&#x7406;&#x4E3A; &#x201C;&#x9694;&#x79BB;&#x7684;&#x201D;&#xFF09;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x7B56;&#x7565;&#x6765;&#x663E;&#x5F0F;&#x5730;&#x6307;&#x5B9A;&#x5141;&#x8BB8;&#x6240;&#x6709;&#x6D41;&#x91CF;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> networking.k8s.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> NetworkPolicy
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> allow<span class="token punctuation">-</span>all
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">podSelector</span><span class="token punctuation">:</span>
<span class="token key atrule">ingress</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
</code></pre>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
<li><a href="https://k8smeetup.github.io/docs/concepts/services-networking/network-policies/" target="_blank">Network Policies - k8smeetup.github.io</a></li>
<li><a href="https://kubernetes.io/docs/concepts/services-networking/network-policies/" target="_blank">Network Policies - kubernetes.io</a></li>
</ul>
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