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<title>从外部访问Kubernetes中的Pod · Kubernetes Handbook - jimmysong.io</title>
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<a href="https://jimmysong.io" target="_blank" class="custom-link">Jimmy Song</a>
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<li class="header">前言</li>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
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<li class="chapter " data-level="1.2" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>1.2.</b>
Kubernetes与云原生应用概览
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<li class="header">概念与原理</li>
<li class="chapter " data-level="2.1" data-path="../concepts/">
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<b>2.1.</b>
Kubernetes架构
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<li class="chapter " data-level="2.2" data-path="../concepts/concepts.html">
<a href="../concepts/concepts.html">
<b>2.2.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="2.3" data-path="../concepts/objects.html">
<a href="../concepts/objects.html">
<b>2.3.</b>
资源对象与基本概念解析
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.1" data-path="../concepts/pod-overview.html">
<a href="../concepts/pod-overview.html">
<b>2.3.1.</b>
Pod
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.1.1" data-path="../concepts/pod.html">
<a href="../concepts/pod.html">
<b>2.3.1.1.</b>
Pod解析
</a>
</li>
<li class="chapter " data-level="2.3.1.2" data-path="../concepts/init-containers.html">
<a href="../concepts/init-containers.html">
<b>2.3.1.2.</b>
Init容器
</a>
</li>
<li class="chapter " data-level="2.3.1.3" data-path="../concepts/pod-security-policy.html">
<a href="../concepts/pod-security-policy.html">
<b>2.3.1.3.</b>
Pod安全策略
</a>
</li>
<li class="chapter " data-level="2.3.1.4" data-path="../concepts/pod-lifecycle.html">
<a href="../concepts/pod-lifecycle.html">
<b>2.3.1.4.</b>
Pod的生命周期
</a>
</li>
<li class="chapter " data-level="2.3.1.5" data-path="../concepts/pod-hook.html">
<a href="../concepts/pod-hook.html">
<b>2.3.1.5.</b>
Pod hook
</a>
</li>
<li class="chapter " data-level="2.3.1.6" data-path="../concepts/pod-preset.html">
<a href="../concepts/pod-preset.html">
<b>2.3.1.6.</b>
Pod Preset
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.2" data-path="../concepts/node.html">
<a href="../concepts/node.html">
<b>2.3.2.</b>
Node
</a>
</li>
<li class="chapter " data-level="2.3.3" data-path="../concepts/namespace.html">
<a href="../concepts/namespace.html">
<b>2.3.3.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="2.3.4" data-path="../concepts/service.html">
<a href="../concepts/service.html">
<b>2.3.4.</b>
Service
</a>
</li>
<li class="chapter " data-level="2.3.5" data-path="../concepts/volume.html">
<a href="../concepts/volume.html">
<b>2.3.5.</b>
Volume和Persistent Volume
</a>
</li>
<li class="chapter " data-level="2.3.6" data-path="../concepts/deployment.html">
<a href="../concepts/deployment.html">
<b>2.3.6.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="2.3.7" data-path="../concepts/secret.html">
<a href="../concepts/secret.html">
<b>2.3.7.</b>
Secret
</a>
</li>
<li class="chapter " data-level="2.3.8" data-path="../concepts/statefulset.html">
<a href="../concepts/statefulset.html">
<b>2.3.8.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="2.3.9" data-path="../concepts/daemonset.html">
<a href="../concepts/daemonset.html">
<b>2.3.9.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="2.3.10" data-path="../concepts/serviceaccount.html">
<a href="../concepts/serviceaccount.html">
<b>2.3.10.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="2.3.11" data-path="../concepts/replicaset.html">
<a href="../concepts/replicaset.html">
<b>2.3.11.</b>
ReplicationController和ReplicaSet
</a>
</li>
<li class="chapter " data-level="2.3.12" data-path="../concepts/job.html">
<a href="../concepts/job.html">
<b>2.3.12.</b>
Job
</a>
</li>
<li class="chapter " data-level="2.3.13" data-path="../concepts/cronjob.html">
<a href="../concepts/cronjob.html">
<b>2.3.13.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="2.3.14" data-path="../concepts/ingress.html">
<a href="../concepts/ingress.html">
<b>2.3.14.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.14.1" data-path="../concepts/traefik-ingress-controller.html">
<a href="../concepts/traefik-ingress-controller.html">
<b>2.3.14.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.15" data-path="../concepts/configmap.html">
<a href="../concepts/configmap.html">
<b>2.3.15.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.15.1" data-path="../concepts/configmap-hot-update.html">
<a href="../concepts/configmap-hot-update.html">
<b>2.3.15.1.</b>
ConfigMap的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.16" data-path="../concepts/horizontal-pod-autoscaling.html">
<a href="../concepts/horizontal-pod-autoscaling.html">
<b>2.3.16.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="2.3.16.1" data-path="../concepts/custom-metrics-hpa.html">
<a href="../concepts/custom-metrics-hpa.html">
<b>2.3.16.1.</b>
自定义指标HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.3.17" data-path="../concepts/label.html">
<a href="../concepts/label.html">
<b>2.3.17.</b>
Label
</a>
</li>
<li class="chapter " data-level="2.3.18" data-path="../concepts/garbage-collection.html">
<a href="../concepts/garbage-collection.html">
<b>2.3.18.</b>
垃圾收集
</a>
</li>
<li class="chapter " data-level="2.3.19" data-path="../concepts/network-policy.html">
<a href="../concepts/network-policy.html">
<b>2.3.19.</b>
NetworkPolicy
</a>
</li>
<li class="chapter " data-level="2.3.20" data-path="../concepts/annotation.html">
<a href="../concepts/annotation.html">
<b>2.3.20.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="2.3.21" data-path="../concepts/aggregated-api-server.html">
<a href="../concepts/aggregated-api-server.html">
<b>2.3.21.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="2.3.22" data-path="../concepts/custom-resource.html">
<a href="../concepts/custom-resource.html">
<b>2.3.22.</b>
使用自定义资源扩展API
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="3.1" data-path="./">
<a href="./">
<b>3.1.</b>
用户指南
</a>
</li>
<li class="chapter " data-level="3.2" data-path="resource-configuration.html">
<a href="resource-configuration.html">
<b>3.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="configure-liveness-readiness-probes.html">
<a href="configure-liveness-readiness-probes.html">
<b>3.2.1.</b>
配置Pod的liveness和readiness探针
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="configure-pod-service-account.html">
<a href="configure-pod-service-account.html">
<b>3.2.2.</b>
配置Pod的Service Account
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="secret-configuration.html">
<a href="secret-configuration.html">
<b>3.2.3.</b>
Secret配置
</a>
</li>
<li class="chapter " data-level="3.2.4" data-path="resource-quota-management.html">
<a href="resource-quota-management.html">
<b>3.2.4.</b>
管理namespace中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="command-usage.html">
<a href="command-usage.html">
<b>3.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="3.3.1" data-path="docker-cli-to-kubectl.html">
<a href="docker-cli-to-kubectl.html">
<b>3.3.1.</b>
docker用户过度到kubectl命令行指南
</a>
</li>
<li class="chapter " data-level="3.3.2" data-path="using-kubectl.html">
<a href="using-kubectl.html">
<b>3.3.2.</b>
kubectl命令概览
</a>
</li>
<li class="chapter " data-level="3.3.3" data-path="kubectl-cheatsheet.html">
<a href="kubectl-cheatsheet.html">
<b>3.3.3.</b>
kubectl命令技巧大全
</a>
</li>
<li class="chapter " data-level="3.3.4" data-path="using-etcdctl-to-access-kubernetes-data.html">
<a href="using-etcdctl-to-access-kubernetes-data.html">
<b>3.3.4.</b>
使用etcdctl访问kuberentes数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.4" data-path="cluster-security-management.html">
<a href="cluster-security-management.html">
<b>3.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="managing-tls-in-a-cluster.html">
<a href="managing-tls-in-a-cluster.html">
<b>3.4.1.</b>
管理集群中的TLS
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="kubelet-authentication-authorization.html">
<a href="kubelet-authentication-authorization.html">
<b>3.4.2.</b>
kubelet的认证授权
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="tls-bootstrapping.html">
<a href="tls-bootstrapping.html">
<b>3.4.3.</b>
TLS bootstrap
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="kubectl-user-authentication-authorization.html">
<a href="kubectl-user-authentication-authorization.html">
<b>3.4.4.</b>
创建用户认证授权的kubeconfig文件
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="rbac.html">
<a href="rbac.html">
<b>3.4.5.</b>
RBAC——基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="ip-masq-agent.html">
<a href="ip-masq-agent.html">
<b>3.4.6.</b>
IP伪装代理
</a>
</li>
<li class="chapter " data-level="3.4.7" data-path="auth-with-kubeconfig-or-token.html">
<a href="auth-with-kubeconfig-or-token.html">
<b>3.4.7.</b>
使用kubeconfig或token进行用户身份认证
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="authentication.html">
<a href="authentication.html">
<b>3.4.8.</b>
kubernetes中的用户与身份认证授权
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="access-kubernetes-cluster.html">
<a href="access-kubernetes-cluster.html">
<b>3.5.</b>
访问Kubernetes集群
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="access-cluster.html">
<a href="access-cluster.html">
<b>3.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="authenticate-across-clusters-kubeconfig.html">
<a href="authenticate-across-clusters-kubeconfig.html">
<b>3.5.2.</b>
使用kubeconfig文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="connecting-to-applications-port-forward.html">
<a href="connecting-to-applications-port-forward.html">
<b>3.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="service-access-application-cluster.html">
<a href="service-access-application-cluster.html">
<b>3.5.4.</b>
使用service访问群集中的应用程序
</a>
</li>
<li class="chapter active" data-level="3.5.5" data-path="accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<a href="accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<b>3.5.5.</b>
从外部访问Kubernetes中的Pod
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="carbin-mobile-dashboard-for-kubernetes.html">
<a href="carbin-mobile-dashboard-for-kubernetes.html">
<b>3.5.6.</b>
Carbin - Kuberentes手机客户端
</a>
</li>
<li class="chapter " data-level="3.5.7" data-path="kubernetes-desktop-client.html">
<a href="kubernetes-desktop-client.html">
<b>3.5.7.</b>
Kubernetic - Kubernetes桌面客户端
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="application-development-deployment-flow.html">
<a href="application-development-deployment-flow.html">
<b>3.6.</b>
在kubernetes中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="deploy-applications-in-kubernetes.html">
<a href="deploy-applications-in-kubernetes.html">
<b>3.6.1.</b>
适用于kubernetes的应用开发部署流程
</a>
</li>
<li class="chapter " data-level="3.6.2" data-path="migrating-hadoop-yarn-to-kubernetes.html">
<a href="migrating-hadoop-yarn-to-kubernetes.html">
<b>3.6.2.</b>
迁移传统应用到kubernetes中——以Hadoop YARN为例
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="using-statefulset.html">
<a href="using-statefulset.html">
<b>3.6.3.</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="4.1" data-path="../practice/">
<a href="../practice/">
<b>4.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="4.2" data-path="../practice/install-kbernetes1.6-on-centos.html">
<a href="../practice/install-kbernetes1.6-on-centos.html">
<b>4.2.</b>
在CentOS上部署kubernetes1.6集群
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>4.2.1.</b>
创建TLS证书和秘钥
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>4.2.2.</b>
创建kubeconfig文件
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>4.2.3.</b>
创建高可用etcd集群
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>4.2.4.</b>
安装kubectl命令行工具
</a>
</li>
<li class="chapter " data-level="4.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>4.2.5.</b>
部署master节点
</a>
</li>
<li class="chapter " data-level="4.2.6" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>4.2.6.</b>
部署node节点
</a>
</li>
<li class="chapter " data-level="4.2.7" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>4.2.7.</b>
安装kubedns插件
</a>
</li>
<li class="chapter " data-level="4.2.8" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>4.2.8.</b>
安装dashboard插件
</a>
</li>
<li class="chapter " data-level="4.2.9" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>4.2.9.</b>
安装heapster插件
</a>
</li>
<li class="chapter " data-level="4.2.10" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>4.2.10.</b>
安装EFK插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>4.3.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>4.3.1.</b>
安装Traefik ingress
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>4.3.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>4.3.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>4.3.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="4.3.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>4.3.5.</b>
安装Nginx ingress
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>4.4.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>4.4.1.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>4.4.2.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>4.4.3.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>4.4.4.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>4.4.5.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>4.4.6.</b>
管理容器的计算资源
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>4.5.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>4.5.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>4.5.1.1.</b>
使用GlusterFS做持久化存储
</a>
</li>
<li class="chapter " data-level="4.5.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>4.5.1.2.</b>
在OpenShift中使用GlusterFS做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5.2" data-path="../practice/cephfs.html">
<a href="../practice/cephfs.html">
<b>4.5.2.</b>
CephFS
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>4.5.2.1.</b>
使用Ceph做持久化存储
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>4.6.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>4.6.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>4.6.1.1.</b>
使用Heapster获取集群和对象的metric数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>4.6.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>4.6.2.1.</b>
使用Prometheus监控kubernetes集群
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.7" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>4.7.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>4.7.1.</b>
使用Helm管理kubernetes应用
</a>
</li>
<li class="chapter " data-level="4.7.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>4.7.2.</b>
构建私有Chart仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.8" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>4.8.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="4.8.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>4.8.1.</b>
使用Jenkins进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="4.8.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>4.8.2.</b>
使用Drone进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.9" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>4.9.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="4.9.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>4.9.1.</b>
手动升级kubernetes集群
</a>
</li>
<li class="chapter " data-level="4.9.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>4.9.2.</b>
升级dashboard
</a>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="5.1" data-path="../usecases/">
<a href="../usecases/">
<b>5.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>5.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>5.2.1.</b>
微服务中的服务发现
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>5.3.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>5.3.1.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>5.3.1.1.</b>
安装并试用Istio service mesh
</a>
</li>
<li class="chapter " data-level="5.3.1.2" data-path="../usecases/configuring-request-routing.html">
<a href="../usecases/configuring-request-routing.html">
<b>5.3.1.2.</b>
配置请求的路由规则
</a>
</li>
<li class="chapter " data-level="5.3.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
<a href="../usecases/install-and-expand-istio-mesh.html">
<b>5.3.1.3.</b>
安装和拓展Istio service mesh
</a>
</li>
<li class="chapter " data-level="5.3.1.4" data-path="../usecases/integrating-vms.html">
<a href="../usecases/integrating-vms.html">
<b>5.3.1.4.</b>
集成虚拟机
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3.2" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>5.3.2.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.2.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>5.3.2.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3.3" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>5.3.3.</b>
Conduit
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>5.4.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>5.4.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>5.4.2.</b>
运行支持kubernetes原生调度的Spark程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>5.5.</b>
Serverless架构
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>5.5.1.</b>
理解Serverless
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>5.6.</b>
边缘计算
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="6.1" data-path="../develop/">
<a href="../develop/">
<b>6.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>6.2.</b>
SIG和工作组
</a>
</li>
<li class="chapter " data-level="6.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>6.3.</b>
开发环境搭建
</a>
</li>
<li class="chapter " data-level="6.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>6.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="6.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>6.5.</b>
client-go示例
</a>
</li>
<li class="chapter " data-level="6.6" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>6.6.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="6.7" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>6.7.</b>
Minikube
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="7.1" data-path="../appendix/">
<a href="../appendix/">
<b>7.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>7.2.</b>
Kubernetes中的应用故障排查
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>7.3.</b>
Kubernetes相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="7.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>7.4.</b>
Docker最佳实践
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>7.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>7.6.</b>
问题记录
</a>
</li>
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<h1>
<i class="fa fa-circle-o-notch fa-spin"></i>
<a href=".." >从外部访问Kubernetes中的Pod</a>
</h1>
</div>
<div class="page-wrapper" tabindex="-1" role="main">
<div class="page-inner">
<div class="search-plus" id="book-search-results">
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<section class="normal markdown-section">
<h1 id="&#x4ECE;&#x5916;&#x90E8;&#x8BBF;&#x95EE;kubernetes&#x4E2D;&#x7684;pod">&#x4ECE;&#x5916;&#x90E8;&#x8BBF;&#x95EE;Kubernetes&#x4E2D;&#x7684;Pod</h1>
<p>&#x524D;&#x9762;&#x51E0;&#x8282;&#x8BB2;&#x5230;&#x5982;&#x4F55;&#x8BBF;&#x95EE;kubneretes&#x96C6;&#x7FA4;&#xFF0C;&#x672C;&#x6587;&#x4E3B;&#x8981;&#x8BB2;&#x89E3;&#x8BBF;&#x95EE;kubenretes&#x4E2D;&#x7684;Pod&#x548C;Serivce&#x7684;&#x96C6;&#x4E2D;&#x65B9;&#x5F0F;&#xFF0C;&#x5305;&#x62EC;&#x5982;&#x4E0B;&#x51E0;&#x79CD;&#xFF1A;</p>
<ul>
<li>hostNetwork</li>
<li>hostPort</li>
<li>NodePort</li>
<li>LoadBalancer</li>
<li>Ingress</li>
</ul>
<p>&#x8BF4;&#x662F;&#x66B4;&#x9732;Pod&#x5176;&#x5B9E;&#x8DDF;&#x66B4;&#x9732;Service&#x662F;&#x4E00;&#x56DE;&#x4E8B;&#xFF0C;&#x56E0;&#x4E3A;Pod&#x5C31;&#x662F;Service&#x7684;backend&#x3002;</p>
<h2 id="hostnetwork-true">hostNetwork: true</h2>
<p>&#x8FD9;&#x662F;&#x4E00;&#x79CD;&#x76F4;&#x63A5;&#x5B9A;&#x4E49;Pod&#x7F51;&#x7EDC;&#x7684;&#x65B9;&#x5F0F;&#x3002;</p>
<p>&#x5982;&#x679C;&#x5728;Pod&#x4E2D;&#x4F7F;&#x7528;<code>hostNotwork:true</code>&#x914D;&#x7F6E;&#x7684;&#x8BDD;&#xFF0C;&#x5728;&#x8FD9;&#x79CD;pod&#x4E2D;&#x8FD0;&#x884C;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x770B;&#x5230;pod&#x542F;&#x52A8;&#x7684;&#x4E3B;&#x673A;&#x7684;&#x7F51;&#x7EDC;&#x63A5;&#x53E3;&#x3002;&#x5728;&#x4E3B;&#x673A;&#x7684;&#x6240;&#x6709;&#x7F51;&#x7EDC;&#x63A5;&#x53E3;&#x4E0A;&#x90FD;&#x53EF;&#x4EE5;&#x8BBF;&#x95EE;&#x5230;&#x8BE5;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x3002;&#x4EE5;&#x4E0B;&#x662F;&#x4F7F;&#x7528;&#x4E3B;&#x673A;&#x7F51;&#x7EDC;&#x7684;pod&#x7684;&#x793A;&#x4F8B;&#x5B9A;&#x4E49;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> hostNetwork:</span> <span class="hljs-literal">true</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> influxdb
<span class="hljs-attr"> image:</span> influxdb
</code></pre>
<p>&#x90E8;&#x7F72;&#x8BE5;Pod&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl create <span class="hljs-_">-f</span> influxdb-hostnetwork.yml
</code></pre>
<p>&#x8BBF;&#x95EE;&#x8BE5;pod&#x6240;&#x5728;&#x4E3B;&#x673A;&#x7684;8086&#x7AEF;&#x53E3;&#xFF1A;</p>
<pre><code class="lang-bash">curl -v http://<span class="hljs-variable">$POD_IP</span>:8086/ping
</code></pre>
<p>&#x5C06;&#x770B;&#x5230;204 No Content&#x7684;204&#x8FD4;&#x56DE;&#x7801;&#xFF0C;&#x8BF4;&#x660E;&#x53EF;&#x4EE5;&#x6B63;&#x5E38;&#x8BBF;&#x95EE;&#x3002;</p>
<p>&#x6CE8;&#x610F;&#x6BCF;&#x6B21;&#x542F;&#x52A8;&#x8FD9;&#x4E2A;Pod&#x7684;&#x65F6;&#x5019;&#x90FD;&#x53EF;&#x80FD;&#x88AB;&#x8C03;&#x5EA6;&#x5230;&#x4E0D;&#x540C;&#x7684;&#x8282;&#x70B9;&#x4E0A;&#xFF0C;&#x6240;&#x6709;&#x5916;&#x90E8;&#x8BBF;&#x95EE;Pod&#x7684;IP&#x4E5F;&#x662F;&#x53D8;&#x5316;&#x7684;&#xFF0C;&#x800C;&#x4E14;&#x8C03;&#x5EA6;Pod&#x7684;&#x65F6;&#x5019;&#x8FD8;&#x9700;&#x8981;&#x8003;&#x8651;&#x662F;&#x5426;&#x4E0E;&#x5BBF;&#x4E3B;&#x673A;&#x4E0A;&#x7684;&#x7AEF;&#x53E3;&#x51B2;&#x7A81;&#xFF0C;&#x56E0;&#x6B64;&#x4E00;&#x822C;&#x60C5;&#x51B5;&#x4E0B;&#x9664;&#x975E;&#x60A8;&#x77E5;&#x9053;&#x9700;&#x8981;&#x67D0;&#x4E2A;&#x7279;&#x5B9A;&#x5E94;&#x7528;&#x5360;&#x7528;&#x7279;&#x5B9A;&#x5BBF;&#x4E3B;&#x673A;&#x4E0A;&#x7684;&#x7279;&#x5B9A;&#x7AEF;&#x53E3;&#x65F6;&#x624D;&#x4F7F;&#x7528;<code>hostNetwork: true</code>&#x7684;&#x65B9;&#x5F0F;&#x3002;</p>
<p>&#x8FD9;&#x79CD;Pod&#x7684;&#x7F51;&#x7EDC;&#x6A21;&#x5F0F;&#x6709;&#x4E00;&#x4E2A;&#x7528;&#x5904;&#x5C31;&#x662F;&#x53EF;&#x4EE5;&#x5C06;&#x7F51;&#x7EDC;&#x63D2;&#x4EF6;&#x5305;&#x88C5;&#x5728;Pod&#x4E2D;&#x7136;&#x540E;&#x90E8;&#x7F72;&#x5728;&#x6BCF;&#x4E2A;&#x5BBF;&#x4E3B;&#x673A;&#x4E0A;&#xFF0C;&#x8FD9;&#x6837;&#x8BE5;Pod&#x5C31;&#x53EF;&#x4EE5;&#x63A7;&#x5236;&#x8BE5;&#x5BBF;&#x4E3B;&#x673A;&#x4E0A;&#x7684;&#x6240;&#x6709;&#x7F51;&#x7EDC;&#x3002;</p>
<h2 id="hostport">hostPort</h2>
<p>&#x8FD9;&#x662F;&#x4E00;&#x79CD;&#x76F4;&#x63A5;&#x5B9A;&#x4E49;Pod&#x7F51;&#x7EDC;&#x7684;&#x65B9;&#x5F0F;&#x3002;</p>
<p><code>hostPort</code>&#x662F;&#x76F4;&#x63A5;&#x5C06;&#x5BB9;&#x5668;&#x7684;&#x7AEF;&#x53E3;&#x4E0E;&#x6240;&#x8C03;&#x5EA6;&#x7684;&#x8282;&#x70B9;&#x4E0A;&#x7684;&#x7AEF;&#x53E3;&#x8DEF;&#x7531;&#xFF0C;&#x8FD9;&#x6837;&#x7528;&#x6237;&#x5C31;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5BBF;&#x4E3B;&#x673A;&#x7684;IP&#x52A0;&#x4E0A;<hostport>&#x6765;&#x8BBF;&#x95EE;Pod&#x4E86;&#xFF0C;&#x5982;<hostip>:<hostport>&#x3002;</hostport></hostip></hostport></p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> influxdb
<span class="hljs-attr"> image:</span> influxdb
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">8086</span>
<span class="hljs-attr"> hostPort:</span> <span class="hljs-number">8086</span>
</code></pre>
<p>&#x8FD9;&#x6837;&#x505A;&#x6709;&#x4E2A;&#x7F3A;&#x70B9;&#xFF0C;&#x56E0;&#x4E3A;Pod&#x91CD;&#x65B0;&#x8C03;&#x5EA6;&#x7684;&#x65F6;&#x5019;&#x8BE5;Pod&#x88AB;&#x8C03;&#x5EA6;&#x5230;&#x7684;&#x5BBF;&#x4E3B;&#x673A;&#x53EF;&#x80FD;&#x4F1A;&#x53D8;&#x52A8;&#xFF0C;&#x8FD9;&#x6837;<hostip>&#x5C31;&#x53D8;&#x5316;&#x4E86;&#xFF0C;&#x7528;&#x6237;&#x5FC5;&#x987B;&#x81EA;&#x5DF1;&#x7EF4;&#x62A4;&#x4E00;&#x4E2A;Pod&#x4E0E;&#x6240;&#x5728;&#x5BBF;&#x4E3B;&#x673A;&#x7684;&#x5BF9;&#x5E94;&#x5173;&#x7CFB;&#x3002;</hostip></p>
<p>&#x8FD9;&#x79CD;&#x7F51;&#x7EDC;&#x65B9;&#x5F0F;&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x505A; nginx <a href="https://github.com/kubernetes/ingress/tree/master/controllers/nginx" target="_blank">Ingress controller</a>&#x3002;&#x5916;&#x90E8;&#x6D41;&#x91CF;&#x90FD;&#x9700;&#x8981;&#x901A;&#x8FC7;kubenretes node&#x8282;&#x70B9;&#x7684;80&#x548C;443&#x7AEF;&#x53E3;&#x3002;</p>
<h2 id="nodeport">NodePort</h2>
<p>NodePort&#x5728;kubenretes&#x91CC;&#x662F;&#x4E00;&#x4E2A;&#x5E7F;&#x6CDB;&#x5E94;&#x7528;&#x7684;&#x670D;&#x52A1;&#x66B4;&#x9732;&#x65B9;&#x5F0F;&#x3002;Kubernetes&#x4E2D;&#x7684;service&#x9ED8;&#x8BA4;&#x60C5;&#x51B5;&#x4E0B;&#x90FD;&#x662F;&#x4F7F;&#x7528;&#x7684;<code>ClusterIP</code>&#x8FD9;&#x79CD;&#x7C7B;&#x578B;&#xFF0C;&#x8FD9;&#x6837;&#x7684;service&#x4F1A;&#x4EA7;&#x751F;&#x4E00;&#x4E2A;ClusterIP&#xFF0C;&#x8FD9;&#x4E2A;IP&#x53EA;&#x80FD;&#x5728;&#x96C6;&#x7FA4;&#x5185;&#x90E8;&#x8BBF;&#x95EE;&#xFF0C;&#x8981;&#x60F3;&#x8BA9;&#x5916;&#x90E8;&#x80FD;&#x591F;&#x76F4;&#x63A5;&#x8BBF;&#x95EE;service&#xFF0C;&#x9700;&#x8981;&#x5C06;service type&#x4FEE;&#x6539;&#x4E3A; <code>nodePort</code>&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> influxdb
<span class="hljs-attr"> image:</span> influxdb
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">8086</span>
</code></pre>
<p>&#x540C;&#x65F6;&#x8FD8;&#x53EF;&#x4EE5;&#x7ED9;service&#x6307;&#x5B9A;&#x4E00;&#x4E2A;<code>nodePort</code>&#x503C;&#xFF0C;&#x8303;&#x56F4;&#x662F;30000-32767&#xFF0C;&#x8FD9;&#x4E2A;&#x503C;&#x5728;API server&#x7684;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x4E2D;&#xFF0C;&#x7528;<code>--service-node-port-range</code>&#x5B9A;&#x4E49;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">kind:</span> Service
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> type:</span> NodePort
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - port:</span> <span class="hljs-number">8086</span>
<span class="hljs-attr"> nodePort:</span> <span class="hljs-number">30000</span>
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> name:</span> influxdb
</code></pre>
<p>&#x96C6;&#x7FA4;&#x5916;&#x5C31;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;kubernetes&#x4EFB;&#x610F;&#x4E00;&#x4E2A;&#x8282;&#x70B9;&#x7684;IP&#x52A0;&#x4E0A;30000&#x7AEF;&#x53E3;&#x8BBF;&#x95EE;&#x8BE5;&#x670D;&#x52A1;&#x4E86;&#x3002;kube-proxy&#x4F1A;&#x81EA;&#x52A8;&#x5C06;&#x6D41;&#x91CF;&#x4EE5;round-robin&#x7684;&#x65B9;&#x5F0F;&#x8F6C;&#x53D1;&#x7ED9;&#x8BE5;service&#x7684;&#x6BCF;&#x4E00;&#x4E2A;pod&#x3002;</p>
<p>&#x8FD9;&#x79CD;&#x670D;&#x52A1;&#x66B4;&#x9732;&#x65B9;&#x5F0F;&#xFF0C;&#x65E0;&#x6CD5;&#x8BA9;&#x4F60;&#x6307;&#x5B9A;&#x81EA;&#x5DF1;&#x60F3;&#x8981;&#x7684;&#x5E94;&#x7528;&#x5E38;&#x7528;&#x7AEF;&#x53E3;&#xFF0C;&#x4E0D;&#x8FC7;&#x53EF;&#x4EE5;&#x5728;&#x96C6;&#x7FA4;&#x4E0A;&#x518D;&#x90E8;&#x7F72;&#x4E00;&#x4E2A;&#x53CD;&#x5411;&#x4EE3;&#x7406;&#x4F5C;&#x4E3A;&#x6D41;&#x91CF;&#x5165;&#x53E3;&#x3002;</p>
<h2 id="loadbalancer">LoadBalancer</h2>
<p><code>LoadBalancer</code> &#x53EA;&#x80FD;&#x5728;service&#x4E0A;&#x5B9A;&#x4E49;&#x3002;&#x8FD9;&#x662F;&#x516C;&#x6709;&#x4E91;&#x63D0;&#x4F9B;&#x7684;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;&#xFF0C;&#x5982;AWS&#x3001;Azure&#x3001;CloudStack&#x3001;GCE&#x7B49;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">kind:</span> Service
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> type:</span> LoadBalancer
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - port:</span> <span class="hljs-number">8086</span>
<span class="hljs-attr"> selector:</span>
<span class="hljs-attr"> name:</span> influxdb
</code></pre>
<p>&#x67E5;&#x770B;&#x670D;&#x52A1;&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get svc influxdb
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
influxdb 10.97.121.42 10.13.242.236 8086:30051/TCP 39s
</code></pre>
<p>&#x5185;&#x90E8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;ClusterIP&#x52A0;&#x7AEF;&#x53E3;&#x6765;&#x8BBF;&#x95EE;&#x670D;&#x52A1;&#xFF0C;&#x5982;19.97.121.42:8086&#x3002;</p>
<p>&#x5916;&#x90E8;&#x53EF;&#x4EE5;&#x7528;&#x4EE5;&#x4E0B;&#x4E24;&#x79CD;&#x65B9;&#x5F0F;&#x8BBF;&#x95EE;&#x8BE5;&#x670D;&#x52A1;&#xFF1A;</p>
<ul>
<li>&#x4F7F;&#x7528;&#x4EFB;&#x4E00;&#x8282;&#x70B9;&#x7684;IP&#x52A0;30051&#x7AEF;&#x53E3;&#x8BBF;&#x95EE;&#x8BE5;&#x670D;&#x52A1;</li>
<li>&#x4F7F;&#x7528;<code>EXTERNAL-IP</code>&#x6765;&#x8BBF;&#x95EE;&#xFF0C;&#x8FD9;&#x662F;&#x4E00;&#x4E2A;VIP&#xFF0C;&#x662F;&#x4E91;&#x4F9B;&#x5E94;&#x5546;&#x63D0;&#x4F9B;&#x7684;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;IP&#xFF0C;&#x5982;10.13.242.236:8086&#x3002;</li>
</ul>
<h2 id="ingress">Ingress</h2>
<p><code>Ingress</code>&#x662F;&#x81EA;kubernetes1.1&#x7248;&#x672C;&#x540E;&#x5F15;&#x5165;&#x7684;&#x8D44;&#x6E90;&#x7C7B;&#x578B;&#x3002;&#x5FC5;&#x987B;&#x8981;&#x90E8;&#x7F72;<a href="https://github.com/kubernetes/ingress/tree/master/controllers/nginx" target="_blank">Ingress controller</a>&#x624D;&#x80FD;&#x521B;&#x5EFA;Ingress&#x8D44;&#x6E90;&#xFF0C;Ingress controller&#x662F;&#x4EE5;&#x4E00;&#x79CD;&#x63D2;&#x4EF6;&#x7684;&#x5F62;&#x5F0F;&#x63D0;&#x4F9B;&#x3002;Ingress controller &#x662F;&#x90E8;&#x7F72;&#x5728;Kubernetes&#x4E4B;&#x4E0A;&#x7684;Docker&#x5BB9;&#x5668;&#x3002;&#x5B83;&#x7684;Docker&#x955C;&#x50CF;&#x5305;&#x542B;&#x4E00;&#x4E2A;&#x50CF;nginx&#x6216;HAProxy&#x7684;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;&#x548C;&#x4E00;&#x4E2A;&#x63A7;&#x5236;&#x5668;&#x5B88;&#x62A4;&#x8FDB;&#x7A0B;&#x3002;&#x63A7;&#x5236;&#x5668;&#x5B88;&#x62A4;&#x7A0B;&#x5E8F;&#x4ECE;Kubernetes&#x63A5;&#x6536;&#x6240;&#x9700;&#x7684;Ingress&#x914D;&#x7F6E;&#x3002;&#x5B83;&#x4F1A;&#x751F;&#x6210;&#x4E00;&#x4E2A;nginx&#x6216;HAProxy&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#xFF0C;&#x5E76;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x5668;&#x8FDB;&#x7A0B;&#x4EE5;&#x4F7F;&#x66F4;&#x6539;&#x751F;&#x6548;&#x3002;&#x6362;&#x53E5;&#x8BDD;&#x8BF4;&#xFF0C;Ingress controller&#x662F;&#x7531;Kubernetes&#x7BA1;&#x7406;&#x7684;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;&#x3002;</p>
<p>Kubernetes Ingress&#x63D0;&#x4F9B;&#x4E86;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x5668;&#x7684;&#x5178;&#x578B;&#x7279;&#x6027;&#xFF1A;HTTP&#x8DEF;&#x7531;&#xFF0C;&#x7C98;&#x6027;&#x4F1A;&#x8BDD;&#xFF0C;SSL&#x7EC8;&#x6B62;&#xFF0C;SSL&#x76F4;&#x901A;&#xFF0C;TCP&#x548C;UDP&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x7B49;&#x3002;&#x76EE;&#x524D;&#x5E76;&#x4E0D;&#x662F;&#x6240;&#x6709;&#x7684;Ingress controller&#x90FD;&#x5B9E;&#x73B0;&#x4E86;&#x8FD9;&#x4E9B;&#x529F;&#x80FD;&#xFF0C;&#x9700;&#x8981;&#x67E5;&#x770B;&#x5177;&#x4F53;&#x7684;Ingress controller&#x6587;&#x6863;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> extensions/v1beta1
<span class="hljs-attr">kind:</span> Ingress
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> influxdb
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> rules:</span>
<span class="hljs-attr"> - host:</span> influxdb.kube.example.com
<span class="hljs-attr"> http:</span>
<span class="hljs-attr"> paths:</span>
<span class="hljs-attr"> - backend:</span>
<span class="hljs-attr"> serviceName:</span> influxdb
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">8086</span>
</code></pre>
<p>&#x5916;&#x90E8;&#x8BBF;&#x95EE;URL <a href="http://influxdb.kube.example.com/ping" target="_blank">http://influxdb.kube.example.com/ping</a> &#x8BBF;&#x95EE;&#x8BE5;&#x670D;&#x52A1;&#xFF0C;&#x5165;&#x53E3;&#x5C31;&#x662F;80&#x7AEF;&#x53E3;&#xFF0C;&#x7136;&#x540E;Ingress controller&#x76F4;&#x63A5;&#x5C06;&#x6D41;&#x91CF;&#x8F6C;&#x53D1;&#x7ED9;&#x540E;&#x7AEF;Pod&#xFF0C;&#x4E0D;&#x9700;&#x518D;&#x7ECF;&#x8FC7;kube-proxy&#x7684;&#x8F6C;&#x53D1;&#xFF0C;&#x6BD4;LoadBalancer&#x65B9;&#x5F0F;&#x66F4;&#x9AD8;&#x6548;&#x3002;</p>
<h2 id="&#x603B;&#x7ED3;">&#x603B;&#x7ED3;</h2>
<p>&#x603B;&#x7684;&#x6765;&#x8BF4;Ingress&#x662F;&#x4E00;&#x4E2A;&#x975E;&#x5E38;&#x7075;&#x6D3B;&#x548C;&#x8D8A;&#x6765;&#x8D8A;&#x5F97;&#x5230;&#x5382;&#x5546;&#x652F;&#x6301;&#x7684;&#x670D;&#x52A1;&#x66B4;&#x9732;&#x65B9;&#x5F0F;&#xFF0C;&#x5305;&#x62EC;Nginx&#x3001;HAProxy&#x3001;Traefik&#xFF0C;&#x8FD8;&#x6709;&#x5404;&#x79CD;Service Mesh&#xFF0C;&#x800C;&#x5176;&#x5B83;&#x670D;&#x52A1;&#x66B4;&#x9732;&#x65B9;&#x5F0F;&#x53EF;&#x4EE5;&#x66F4;&#x9002;&#x7528;&#x4E8E;&#x670D;&#x52A1;&#x8C03;&#x8BD5;&#x3001;&#x7279;&#x6B8A;&#x5E94;&#x7528;&#x7684;&#x90E8;&#x7F72;&#x3002;</p>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<p><a href="http://alesnosek.com/blog/2017/02/14/accessing-kubernetes-pods-from-outside-of-the-cluster/" target="_blank">Accessing Kubernetes Pods from Outside of the Cluster - alesnosek.com</a> </p>
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