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2.2 Objects
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2.2.1.1 Pod解析
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2.2.1.2 Init容器
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2.2.1.3 Pod安全策略
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2.2.2 Node
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2.2.3 Namespace
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2.2.4 Service
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2.2.5 Volume和Persistent Volume
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2.2.6 Deployment
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2.2.8 StatefulSet
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2.2.9 DaemonSet
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2.2.10 ServiceAccount
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2.2.11 ReplicationController和ReplicaSet
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2.2.12 Job
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2.2.13 CronJob
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2.2.14 Ingress
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2.2.15 ConfigMap
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2.2.16 Horizontal Pod Autoscaling
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2.2.18 垃圾收集
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2.2.19 NetworkPolicy
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3.1 资源对象配置
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3.1.1 配置Pod的liveness和readiness探针
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3.1.2 配置Pod的Service Account
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3.2.3 管理namespace中的资源配额
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3.2.1 使用kubectl
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3.3 集群安全性管理
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3.3.1 管理集群中的TLS
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3.3.3 TLS bootstrap
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3.3.4 kubectl的用户认证授权
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3.3.6 IP伪装代理
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3.4 访问 Kubernetes 集群
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3.4.1 访问集群
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3.4.2 使用 kubeconfig 文件配置跨集群认证
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3.4.3 通过端口转发访问集群中的应用程序
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3.4.4 使用 service 访问群集中的应用程序
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3.5 在kubernetes中开发部署应用
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3.5.1 适用于kubernetes的应用开发部署流程
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3.5.2 迁移传统应用到kubernetes中——以Hadoop YARN为例
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4. 最佳实践
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4.1 在CentOS上部署kubernetes1.6集群
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4.1.1 创建TLS证书和秘钥
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4.1.2 创建kubeconfig文件
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4.1.3 创建高可用etcd集群
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4.1.4 安装kubectl命令行工具
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4.1.5 部署master节点
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4.1.6 部署node节点
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4.1.7 安装kubedns插件
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4.1.8 安装dashboard插件
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4.1.9 安装heapster插件
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4.1.10 安装EFK插件
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4.2 服务发现与负载均衡
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4.2.1 安装Traefik ingress
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4.2.2 分布式负载测试
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4.2.3 网络和集群性能测试
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4.2.4 边缘节点配置
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4.3 运维管理
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4.3.1 服务滚动升级
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4.3.2 应用日志收集
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4.3.3 配置最佳实践
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4.3.4 集群及应用监控
</a>
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<li class="chapter " data-level="1.5.3.5" data-path="../practice/jenkins-ci-cd.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/jenkins-ci-cd.html">
4.3.5 使用Jenkins进行持续构建与发布
</a>
</li>
<li class="chapter " data-level="1.5.3.6" data-path="../practice/data-persistence-problem.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/data-persistence-problem.html">
4.3.6 数据持久化问题
</a>
2017-09-03 15:58:39 +08:00
</li>
<li class="chapter " data-level="1.5.3.7" data-path="../practice/manage-compute-resources-container.html">
2017-09-03 15:58:39 +08:00
<a href="../practice/manage-compute-resources-container.html">
4.3.7 管理容器的计算资源
</a>
</li>
<li class="chapter " data-level="1.5.3.8" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
4.3.8 使用Prometheus监控kubernetes集群
</a>
</li>
<li class="chapter " data-level="1.5.3.9" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
4.3.9 使用Heapster获取集群和对象的metric数据
</a>
2017-10-18 16:53:12 +08:00
</li>
<li class="chapter " data-level="1.5.3.10" data-path="../practice/manually-upgrade.html">
2017-10-18 16:53:12 +08:00
<a href="../practice/manually-upgrade.html">
4.3.10 手动集群升级
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter " data-level="1.5.4" data-path="../practice/storage.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/storage.html">
4.4 存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="1.5.4.1" data-path="../practice/glusterfs.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/glusterfs.html">
4.4.1 GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="1.5.4.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/using-glusterfs-for-persistent-storage.html">
4.4.1.1 使用GlusterFS做持久化存储
</a>
</li>
<li class="chapter " data-level="1.5.4.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
4.4.1.2 在OpenShift中使用GlusterFS做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.5.4.2" data-path="../practice/cephfs.html">
<a href="../practice/cephfs.html">
4.4.2 CephFS
</a>
<ul class="articles">
<li class="chapter " data-level="1.5.4.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
4.4.2.1 使用Ceph做持久化存储
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
</ul>
2017-10-19 15:31:08 +08:00
</li>
<li class="chapter " data-level="1.5.5" data-path="../practice/services-management-tool.html">
2017-10-19 15:31:08 +08:00
<a href="../practice/services-management-tool.html">
4.5 服务编排管理
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter " data-level="1.6" data-path="../usecases/">
2017-08-21 17:44:43 +08:00
<a href="../usecases/">
5. 领域应用
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.1" data-path="../usecases/microservices.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/microservices.html">
5.1 微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.1.1" data-path="../usecases/service-discovery-in-microservices.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-discovery-in-microservices.html">
5.1.1 微服务中的服务发现
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.6.2" data-path="../usecases/service-mesh.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-mesh.html">
5.2 Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.2.1" data-path="../usecases/istio.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/istio.html">
5.1.1 Istio
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.2.1.1" data-path="../usecases/istio-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/istio-installation.html">
5.1.1.1 安装istio
</a>
</li>
<li class="chapter " data-level="1.6.2.1.2" data-path="../usecases/configuring-request-routing.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/configuring-request-routing.html">
5.1.1.2 配置请求的路由规则
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.6.2.2" data-path="../usecases/linkerd.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd.html">
5.1.2 Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.2.2.1" data-path="../usecases/linkerd-user-guide.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd-user-guide.html">
5.1.2.1 Linkerd 使用指南
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="1.6.3" data-path="../usecases/big-data.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/big-data.html">
5.2 大数据
</a>
<ul class="articles">
<li class="chapter " data-level="1.6.3.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
<a href="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
5.2.1 Spark standalone on Kubernetes
2017-08-21 17:44:43 +08:00
</a>
2017-08-31 14:23:44 +08:00
</li>
<li class="chapter " data-level="1.6.3.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
2017-08-31 14:23:44 +08:00
2017-09-14 15:57:50 +08:00
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
2017-08-31 14:23:44 +08:00
5.2.2 运行支持kubernetes原生调度的Spark程序
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
2017-08-30 16:52:33 +08:00
</li>
<li class="chapter " data-level="1.6.4" data-path="../usecases/serverless.html">
2017-08-30 16:52:33 +08:00
<a href="../usecases/serverless.html">
5.3 Serverless架构
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
<li class="chapter " data-level="1.7" data-path="../develop/">
2017-08-21 17:44:43 +08:00
<a href="../develop/">
6. 开发指南
</a>
<ul class="articles">
<li class="chapter " data-level="1.7.1" data-path="../develop/developing-environment.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/developing-environment.html">
6.1 开发环境搭建
</a>
</li>
<li class="chapter " data-level="1.7.2" data-path="../develop/testing.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/testing.html">
6.2 单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="1.7.3" data-path="../develop/client-go-sample.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/client-go-sample.html">
6.3 client-go示例
</a>
</li>
<li class="chapter " data-level="1.7.4" data-path="../develop/contribute.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/contribute.html">
6.4 社区贡献
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="1.8" data-path="../appendix/">
2017-08-21 17:44:43 +08:00
<a href="../appendix/">
7. 附录
</a>
<ul class="articles">
<li class="chapter " data-level="1.8.1" data-path="../appendix/docker-best-practice.html">
2017-08-21 17:44:43 +08:00
<a href="../appendix/docker-best-practice.html">
7.1 Docker最佳实践
</a>
</li>
<li class="chapter " data-level="1.8.2" data-path="../appendix/issues.html">
2017-08-21 17:44:43 +08:00
<a href="../appendix/issues.html">
7.2 问题记录
</a>
</li>
<li class="chapter " data-level="1.8.3" data-path="../appendix/tricks.html">
2017-08-21 17:44:43 +08:00
<a href="../appendix/tricks.html">
7.3 使用技巧
</a>
</li>
<li class="chapter " data-level="1.8.4" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
7.4 kubernetes service中的故障排查
</a>
2017-10-18 14:16:55 +08:00
</li>
<li class="chapter " data-level="1.8.5" data-path="../appendix/material-share.html">
2017-10-18 14:16:55 +08:00
<a href="../appendix/material-share.html">
2017-10-18 16:53:12 +08:00
7.5 Kubernetes相关资讯和情报链接
2017-10-18 14:16:55 +08:00
</a>
2017-08-21 17:44:43 +08:00
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<h1>
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<a href=".." >2.2.14 Ingress</a>
</h1>
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<section class="normal markdown-section">
<h1 id="ingress&#x89E3;&#x6790;">Ingress&#x89E3;&#x6790;</h1>
<h2 id="&#x524D;&#x8A00;">&#x524D;&#x8A00;</h2>
<p>&#x8FD9;&#x662F;kubernete&#x5B98;&#x65B9;&#x6587;&#x6863;&#x4E2D;<a href="https://kubernetes.io/docs/concepts/services-networking/ingress/" target="_blank">Ingress Resource</a>&#x7684;&#x7FFB;&#x8BD1;&#xFF0C;&#x540E;&#x9762;&#x7684;&#x7AE0;&#x8282;&#x4F1A;&#x8BB2;&#x5230;&#x4F7F;&#x7528;<a href="https://github.com/containous/traefik" target="_blank">Traefik</a>&#x6765;&#x505A;Ingress controller&#xFF0C;&#x6587;&#x7AE0;&#x672B;&#x5C3E;&#x7ED9;&#x51FA;&#x4E86;&#x51E0;&#x4E2A;&#x76F8;&#x5173;&#x94FE;&#x63A5;&#x3002;</p>
<p><strong>&#x672F;&#x8BED;</strong></p>
<p>&#x5728;&#x672C;&#x7BC7;&#x6587;&#x7AE0;&#x4E2D;&#x4F60;&#x5C06;&#x4F1A;&#x770B;&#x5230;&#x4E00;&#x4E9B;&#x5728;&#x5176;&#x4ED6;&#x5730;&#x65B9;&#x88AB;&#x4EA4;&#x53C9;&#x4F7F;&#x7528;&#x7684;&#x672F;&#x8BED;&#xFF0C;&#x4E3A;&#x4E86;&#x9632;&#x6B62;&#x4EA7;&#x751F;&#x6B67;&#x4E49;&#xFF0C;&#x6211;&#x4EEC;&#x9996;&#x5148;&#x6765;&#x6F84;&#x6E05;&#x4E0B;&#x3002;</p>
<ul>
<li>&#x8282;&#x70B9;&#xFF1A;Kubernetes&#x96C6;&#x7FA4;&#x4E2D;&#x7684;&#x4E00;&#x53F0;&#x7269;&#x7406;&#x673A;&#x6216;&#x8005;&#x865A;&#x62DF;&#x673A;&#x3002;</li>
<li>&#x96C6;&#x7FA4;&#xFF1A;&#x4F4D;&#x4E8E;Internet&#x9632;&#x706B;&#x5899;&#x540E;&#x7684;&#x8282;&#x70B9;&#xFF0C;&#x8FD9;&#x662F;kubernetes&#x7BA1;&#x7406;&#x7684;&#x4E3B;&#x8981;&#x8BA1;&#x7B97;&#x8D44;&#x6E90;&#x3002;</li>
<li>&#x8FB9;&#x754C;&#x8DEF;&#x7531;&#x5668;&#xFF1A;&#x4E3A;&#x96C6;&#x7FA4;&#x5F3A;&#x5236;&#x6267;&#x884C;&#x9632;&#x706B;&#x5899;&#x7B56;&#x7565;&#x7684;&#x8DEF;&#x7531;&#x5668;&#x3002; &#x8FD9;&#x53EF;&#x80FD;&#x662F;&#x7531;&#x4E91;&#x63D0;&#x4F9B;&#x5546;&#x6216;&#x7269;&#x7406;&#x786C;&#x4EF6;&#x7BA1;&#x7406;&#x7684;&#x7F51;&#x5173;&#x3002;</li>
<li>&#x96C6;&#x7FA4;&#x7F51;&#x7EDC;&#xFF1A;&#x4E00;&#x7EC4;&#x903B;&#x8F91;&#x6216;&#x7269;&#x7406;&#x94FE;&#x63A5;&#xFF0C;&#x53EF;&#x6839;&#x636E;Kubernetes<a href="https://kubernetes.io/docs/admin/networking/" target="_blank">&#x7F51;&#x7EDC;&#x6A21;&#x578B;</a>&#x5B9E;&#x73B0;&#x7FA4;&#x96C6;&#x5185;&#x7684;&#x901A;&#x4FE1;&#x3002; &#x96C6;&#x7FA4;&#x7F51;&#x7EDC;&#x7684;&#x5B9E;&#x73B0;&#x5305;&#x62EC;Overlay&#x6A21;&#x578B;&#x7684; <a href="https://github.com/coreos/flannel#flannel" target="_blank">flannel</a> &#x548C;&#x57FA;&#x4E8E;SDN&#x7684;<a href="https://kubernetes.io/docs/admin/ovs-networking/" target="_blank">OVS</a>&#x3002;</li>
<li>&#x670D;&#x52A1;&#xFF1A;&#x4F7F;&#x7528;&#x6807;&#x7B7E;&#x9009;&#x62E9;&#x5668;&#x6807;&#x8BC6;&#x4E00;&#x7EC4;pod&#x6210;&#x4E3A;&#x7684;Kubernetes<a href="https://kubernetes.io/docs/user-guide/services/" target="_blank">&#x670D;&#x52A1;</a>&#x3002; &#x9664;&#x975E;&#x53E6;&#x6709;&#x8BF4;&#x660E;&#xFF0C;&#x5426;&#x5219;&#x670D;&#x52A1;&#x5047;&#x5B9A;&#x5728;&#x96C6;&#x7FA4;&#x7F51;&#x7EDC;&#x5185;&#x4EC5;&#x53EF;&#x901A;&#x8FC7;&#x865A;&#x62DF;IP&#x8BBF;&#x95EE;&#x3002;</li>
</ul>
<h2 id="&#x4EC0;&#x4E48;&#x662F;ingress&#xFF1F;">&#x4EC0;&#x4E48;&#x662F;Ingress&#xFF1F;</h2>
<p>&#x901A;&#x5E38;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;service&#x548C;pod&#x4EC5;&#x53EF;&#x5728;&#x96C6;&#x7FA4;&#x5185;&#x90E8;&#x7F51;&#x7EDC;&#x4E2D;&#x901A;&#x8FC7;IP&#x5730;&#x5740;&#x8BBF;&#x95EE;&#x3002;&#x6240;&#x6709;&#x5230;&#x8FBE;&#x8FB9;&#x754C;&#x8DEF;&#x7531;&#x5668;&#x7684;&#x6D41;&#x91CF;&#x6216;&#x88AB;&#x4E22;&#x5F03;&#x6216;&#x88AB;&#x8F6C;&#x53D1;&#x5230;&#x5176;&#x4ED6;&#x5730;&#x65B9;&#x3002;&#x4ECE;&#x6982;&#x5FF5;&#x4E0A;&#x8BB2;&#xFF0C;&#x53EF;&#x80FD;&#x50CF;&#x4E0B;&#x9762;&#x8FD9;&#x6837;&#xFF1A;</p>
<pre><code> internet
|
------------
[ Services ]
</code></pre><p>Ingress&#x662F;&#x6388;&#x6743;&#x5165;&#x7AD9;&#x8FDE;&#x63A5;&#x5230;&#x8FBE;&#x96C6;&#x7FA4;&#x670D;&#x52A1;&#x7684;&#x89C4;&#x5219;&#x96C6;&#x5408;&#x3002;</p>
<pre><code> internet
|
[ Ingress ]
--|-----|--
[ Services ]
</code></pre><p>&#x4F60;&#x53EF;&#x4EE5;&#x7ED9;Ingress&#x914D;&#x7F6E;&#x63D0;&#x4F9B;&#x5916;&#x90E8;&#x53EF;&#x8BBF;&#x95EE;&#x7684;URL&#x3001;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x3001;SSL&#x3001;&#x57FA;&#x4E8E;&#x540D;&#x79F0;&#x7684;&#x865A;&#x62DF;&#x4E3B;&#x673A;&#x7B49;&#x3002;&#x7528;&#x6237;&#x901A;&#x8FC7;POST Ingress&#x8D44;&#x6E90;&#x5230;API server&#x7684;&#x65B9;&#x5F0F;&#x6765;&#x8BF7;&#x6C42;ingress&#x3002; <a href="https://kubernetes.io/docs/concepts/services-networking/ingress/#ingress-controllers" target="_blank">Ingress controller</a>&#x8D1F;&#x8D23;&#x5B9E;&#x73B0;Ingress&#xFF0C;&#x901A;&#x5E38;&#x4F7F;&#x7528;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x5668;&#xFF0C;&#x5B83;&#x8FD8;&#x53EF;&#x4EE5;&#x914D;&#x7F6E;&#x8FB9;&#x754C;&#x8DEF;&#x7531;&#x548C;&#x5176;&#x4ED6;&#x524D;&#x7AEF;&#xFF0C;&#x8FD9;&#x6709;&#x52A9;&#x4E8E;&#x4EE5;HA&#x65B9;&#x5F0F;&#x5904;&#x7406;&#x6D41;&#x91CF;&#x3002;</p>
<h2 id="&#x5148;&#x51B3;&#x6761;&#x4EF6;">&#x5148;&#x51B3;&#x6761;&#x4EF6;</h2>
<p>&#x5728;&#x4F7F;&#x7528;Ingress resource&#x4E4B;&#x524D;&#xFF0C;&#x6709;&#x5FC5;&#x8981;&#x5148;&#x4E86;&#x89E3;&#x4E0B;&#x9762;&#x51E0;&#x4EF6;&#x4E8B;&#x60C5;&#x3002;Ingress&#x662F;beta&#x7248;&#x672C;&#x7684;resource&#xFF0C;&#x5728;kubernetes1.1&#x4E4B;&#x524D;&#x8FD8;&#x6CA1;&#x6709;&#x3002;&#x4F60;&#x9700;&#x8981;&#x4E00;&#x4E2A;<code>Ingress Controller</code>&#x6765;&#x5B9E;&#x73B0;<code>Ingress</code>&#xFF0C;&#x5355;&#x7EAF;&#x7684;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;<code>Ingress</code>&#x6CA1;&#x6709;&#x4EFB;&#x4F55;&#x610F;&#x4E49;&#x3002;</p>
<p>GCE/GKE&#x4F1A;&#x5728;master&#x8282;&#x70B9;&#x4E0A;&#x90E8;&#x7F72;&#x4E00;&#x4E2A;ingress controller&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x5728;&#x4E00;&#x4E2A;pod&#x4E2D;&#x90E8;&#x7F72;&#x4EFB;&#x610F;&#x4E2A;&#x81EA;&#x5B9A;&#x4E49;&#x7684;ingress controller&#x3002;&#x4F60;&#x5FC5;&#x987B;&#x6B63;&#x786E;&#x5730;annotate&#x6BCF;&#x4E2A;ingress&#xFF0C;&#x6BD4;&#x5982; <a href="https://github.com/kubernetes/ingress/tree/master/controllers/nginx#running-multiple-ingress-controllers" target="_blank">&#x8FD0;&#x884C;&#x591A;&#x4E2A;ingress controller</a> &#x548C; <a href="https://github.com/kubernetes/ingress/blob/master/controllers/gce/BETA_LIMITATIONS.md#disabling-glbc" target="_blank">&#x5173;&#x95ED;glbc</a>.</p>
<p>&#x786E;&#x5B9A;&#x4F60;&#x5DF2;&#x7ECF;&#x9605;&#x8BFB;&#x4E86;Ingress controller&#x7684;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/gce/BETA_LIMITATIONS.md" target="_blank">beta&#x7248;&#x672C;&#x9650;&#x5236;</a>&#x3002;&#x5728;&#x975E;GCE/GKE&#x7684;&#x73AF;&#x5883;&#x4E2D;&#xFF0C;&#x4F60;&#x9700;&#x8981;&#x5728;pod&#x4E2D;<a href="https://github.com/kubernetes/ingress/tree/master/controllers" target="_blank">&#x90E8;&#x7F72;&#x4E00;&#x4E2A;controller</a>&#x3002;</p>
<h2 id="ingress-resource">Ingress Resource</h2>
<p>&#x6700;&#x7B80;&#x5316;&#x7684;Ingress&#x914D;&#x7F6E;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-number">1</span>: apiVersion: extensions/v1beta1
<span class="hljs-number">2</span>: kind: Ingress
<span class="hljs-number">3</span>: metadata:
<span class="hljs-number">4</span>: name: test-ingress
<span class="hljs-number">5</span>: spec:
<span class="hljs-number">6</span>: rules:
<span class="hljs-number">7</span>: - http:
<span class="hljs-number">8</span>: paths:
<span class="hljs-number">9</span>: - path: /testpath
<span class="hljs-number">10</span>: backend:
<span class="hljs-number">11</span>: serviceName: test
<span class="hljs-number">12</span>: servicePort: <span class="hljs-number">80</span>
</code></pre>
<p><em>&#x5982;&#x679C;&#x4F60;&#x6CA1;&#x6709;&#x914D;&#x7F6E;Ingress controller&#x5C31;&#x5C06;&#x5176;POST&#x5230;API server&#x4E0D;&#x4F1A;&#x6709;&#x4EFB;&#x4F55;&#x7528;&#x5904;</em></p>
<p><strong>&#x914D;&#x7F6E;&#x8BF4;&#x660E;</strong></p>
<p><strong>1-4&#x884C;</strong>&#xFF1A;&#x8DDF;Kubernetes&#x7684;&#x5176;&#x4ED6;&#x914D;&#x7F6E;&#x4E00;&#x6837;&#xFF0C;ingress&#x7684;&#x914D;&#x7F6E;&#x4E5F;&#x9700;&#x8981;<code>apiVersion</code>&#xFF0C;<code>kind</code>&#x548C;<code>metadata</code>&#x5B57;&#x6BB5;&#x3002;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x8BE6;&#x7EC6;&#x8BF4;&#x660E;&#x8BF7;&#x67E5;&#x770B;<a href="https://kubernetes.io/docs/user-guide/deploying-applications" target="_blank">&#x90E8;&#x7F72;&#x5E94;&#x7528;</a>, <a href="https://kubernetes.io/docs/user-guide/configuring-containers" target="_blank">&#x914D;&#x7F6E;&#x5BB9;&#x5668;</a>&#x548C; <a href="https://kubernetes.io/docs/user-guide/working-with-resources" target="_blank">&#x4F7F;&#x7528;resources</a>.</p>
<p><strong>5-7&#x884C;</strong>: Ingress <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md#spec-and-status" target="_blank">spec</a> &#x4E2D;&#x5305;&#x542B;&#x914D;&#x7F6E;&#x4E00;&#x4E2A;loadbalancer&#x6216;proxy server&#x7684;&#x6240;&#x6709;&#x4FE1;&#x606F;&#x3002;&#x6700;&#x91CD;&#x8981;&#x7684;&#x662F;&#xFF0C;&#x5B83;&#x5305;&#x542B;&#x4E86;&#x4E00;&#x4E2A;&#x5339;&#x914D;&#x6240;&#x6709;&#x5165;&#x7AD9;&#x8BF7;&#x6C42;&#x7684;&#x89C4;&#x5219;&#x5217;&#x8868;&#x3002;&#x76EE;&#x524D;ingress&#x53EA;&#x652F;&#x6301;http&#x89C4;&#x5219;&#x3002;</p>
<p><strong>8-9&#x884C;</strong>&#xFF1A;&#x6BCF;&#x6761;http&#x89C4;&#x5219;&#x5305;&#x542B;&#x4EE5;&#x4E0B;&#x4FE1;&#x606F;&#xFF1A;&#x4E00;&#x4E2A;<code>host</code>&#x914D;&#x7F6E;&#x9879;&#xFF08;&#x6BD4;&#x5982;for.bar.com&#xFF0C;&#x5728;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#x9ED8;&#x8BA4;&#x662F;*&#xFF09;&#xFF0C;<code>path</code>&#x5217;&#x8868;&#xFF08;&#x6BD4;&#x5982;&#xFF1A;/testpath&#xFF09;&#xFF0C;&#x6BCF;&#x4E2A;path&#x90FD;&#x5173;&#x8054;&#x4E00;&#x4E2A;<code>backend</code>(&#x6BD4;&#x5982;test:80)&#x3002;&#x5728;loadbalancer&#x5C06;&#x6D41;&#x91CF;&#x8F6C;&#x53D1;&#x5230;backend&#x4E4B;&#x524D;&#xFF0C;&#x6240;&#x6709;&#x7684;&#x5165;&#x7AD9;&#x8BF7;&#x6C42;&#x90FD;&#x8981;&#x5148;&#x5339;&#x914D;host&#x548C;path&#x3002;</p>
<p><strong>10-12&#x884C;</strong>&#xFF1A;&#x6B63;&#x5982; <a href="https://kubernetes.io/docs/user-guide/services" target="_blank">services doc</a>&#x4E2D;&#x63CF;&#x8FF0;&#x7684;&#x90A3;&#x6837;&#xFF0C;backend&#x662F;&#x4E00;&#x4E2A;<code>service:port</code>&#x7684;&#x7EC4;&#x5408;&#x3002;Ingress&#x7684;&#x6D41;&#x91CF;&#x88AB;&#x8F6C;&#x53D1;&#x5230;&#x5B83;&#x6240;&#x5339;&#x914D;&#x7684;backend&#x3002;</p>
<p><strong>&#x5168;&#x5C40;&#x53C2;&#x6570;</strong>&#xFF1A;&#x4E3A;&#x4E86;&#x7B80;&#x5355;&#x8D77;&#x89C1;&#xFF0C;Ingress&#x793A;&#x4F8B;&#x4E2D;&#x6CA1;&#x6709;&#x5168;&#x5C40;&#x53C2;&#x6570;&#xFF0C;&#x8BF7;&#x53C2;&#x9605;&#x8D44;&#x6E90;&#x5B8C;&#x6574;&#x5B9A;&#x4E49;&#x7684;<a href="https://releases.k8s.io/master/pkg/apis/extensions/v1beta1/types.go" target="_blank">api&#x53C2;&#x8003;</a>&#x3002; &#x5728;&#x6240;&#x6709;&#x8BF7;&#x6C42;&#x90FD;&#x4E0D;&#x80FD;&#x8DDF;spec&#x4E2D;&#x7684;path&#x5339;&#x914D;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x8BF7;&#x6C42;&#x88AB;&#x53D1;&#x9001;&#x5230;Ingress controller&#x7684;&#x9ED8;&#x8BA4;&#x540E;&#x7AEF;&#xFF0C;&#x53EF;&#x4EE5;&#x6307;&#x5B9A;&#x5168;&#x5C40;&#x7F3A;&#x7701;backend&#x3002;</p>
<h2 id="ingress-controllers">Ingress controllers</h2>
<p>&#x4E3A;&#x4E86;&#x4F7F;Ingress&#x6B63;&#x5E38;&#x5DE5;&#x4F5C;&#xFF0C;&#x96C6;&#x7FA4;&#x4E2D;&#x5FC5;&#x987B;&#x8FD0;&#x884C;Ingress controller&#x3002; &#x8FD9;&#x4E0E;&#x5176;&#x4ED6;&#x7C7B;&#x578B;&#x7684;&#x63A7;&#x5236;&#x5668;&#x4E0D;&#x540C;&#xFF0C;&#x5176;&#x4ED6;&#x7C7B;&#x578B;&#x7684;&#x63A7;&#x5236;&#x5668;&#x901A;&#x5E38;&#x4F5C;&#x4E3A;<code>kube-controller-manager</code>&#x4E8C;&#x8FDB;&#x5236;&#x6587;&#x4EF6;&#x7684;&#x4E00;&#x90E8;&#x5206;&#x8FD0;&#x884C;&#xFF0C;&#x5728;&#x96C6;&#x7FA4;&#x542F;&#x52A8;&#x65F6;&#x81EA;&#x52A8;&#x542F;&#x52A8;&#x3002; &#x4F60;&#x9700;&#x8981;&#x9009;&#x62E9;&#x6700;&#x9002;&#x5408;&#x81EA;&#x5DF1;&#x96C6;&#x7FA4;&#x7684;Ingress controller&#x6216;&#x8005;&#x81EA;&#x5DF1;&#x5B9E;&#x73B0;&#x4E00;&#x4E2A;&#x3002; &#x793A;&#x4F8B;&#x548C;&#x8BF4;&#x660E;&#x53EF;&#x4EE5;&#x5728;<a href="https://github.com/kubernetes/ingress/tree/master/controllers" target="_blank">&#x8FD9;&#x91CC;</a>&#x627E;&#x5230;&#x3002;</p>
<h2 id="&#x5728;&#x4F60;&#x5F00;&#x59CB;&#x524D;">&#x5728;&#x4F60;&#x5F00;&#x59CB;&#x524D;</h2>
<p>&#x4EE5;&#x4E0B;&#x6587;&#x6863;&#x63CF;&#x8FF0;&#x4E86;Ingress&#x8D44;&#x6E90;&#x4E2D;&#x516C;&#x5F00;&#x7684;&#x4E00;&#x7EC4;&#x8DE8;&#x5E73;&#x53F0;&#x529F;&#x80FD;&#x3002; &#x7406;&#x60F3;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x6240;&#x6709;&#x7684;Ingress controller&#x90FD;&#x5E94;&#x8BE5;&#x7B26;&#x5408;&#x8FD9;&#x4E2A;&#x89C4;&#x8303;&#xFF0C;&#x4F46;&#x662F;&#x6211;&#x4EEC;&#x8FD8;&#x6CA1;&#x6709;&#x5B9E;&#x73B0;&#x3002; GCE&#x548C;nginx&#x63A7;&#x5236;&#x5668;&#x7684;&#x6587;&#x6863;&#x5206;&#x522B;&#x5728;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/gce/README.md" target="_blank">&#x8FD9;&#x91CC;</a>&#x548C;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/nginx/README.md" target="_blank">&#x8FD9;&#x91CC;</a>&#x3002;<strong>&#x786E;&#x4FDD;&#x60A8;&#x67E5;&#x770B;&#x63A7;&#x5236;&#x5668;&#x7279;&#x5B9A;&#x7684;&#x6587;&#x6863;&#xFF0C;&#x4EE5;&#x4FBF;&#x60A8;&#x4E86;&#x89E3;&#x6BCF;&#x4E2A;&#x6587;&#x6863;&#x7684;&#x6CE8;&#x610F;&#x4E8B;&#x9879;&#x3002;</strong></p>
<h2 id="ingress&#x7C7B;&#x578B;">Ingress&#x7C7B;&#x578B;</h2>
<h3 id="&#x5355;service-ingress">&#x5355;Service Ingress</h3>
<p>Kubernetes&#x4E2D;&#x5DF2;&#x7ECF;&#x5B58;&#x5728;&#x4E00;&#x4E9B;&#x6982;&#x5FF5;&#x53EF;&#x4EE5;&#x66B4;&#x9732;&#x5355;&#x4E2A;service&#xFF08;&#x67E5;&#x770B;<a href="https://kubernetes.io/docs/concepts/services-networking/ingress/#alternatives" target="_blank">&#x66FF;&#x4EE3;&#x65B9;&#x6848;</a>&#xFF09;&#xFF0C;&#x4F46;&#x662F;&#x4F60;&#x4ECD;&#x7136;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;Ingress&#x6765;&#x5B9E;&#x73B0;&#xFF0C;&#x901A;&#x8FC7;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x6CA1;&#x6709;rule&#x7684;&#x9ED8;&#x8BA4;backend&#x7684;&#x65B9;&#x5F0F;&#x3002;</p>
<p>ingress.yaml&#x5B9A;&#x4E49;&#x6587;&#x4EF6;&#xFF1A;</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> test-ingress
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> backend:</span>
<span class="hljs-attr"> serviceName:</span> testsvc
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
</code></pre>
<p>&#x4F7F;&#x7528;<code>kubectl create -f</code>&#x547D;&#x4EE4;&#x521B;&#x5EFA;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x770B;ingress&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get ing
NAME RULE BACKEND ADDRESS
<span class="hljs-built_in">test</span>-ingress - testsvc:80 107.178.254.228
</code></pre>
<p> <code>107.178.254.228</code>&#x5C31;&#x662F;Ingress controller&#x4E3A;&#x4E86;&#x5B9E;&#x73B0;Ingress&#x800C;&#x5206;&#x914D;&#x7684;IP&#x5730;&#x5740;&#x3002;<code>RULE</code>&#x5217;&#x8868;&#x793A;&#x6240;&#x6709;&#x53D1;&#x9001;&#x7ED9;&#x8BE5;IP&#x7684;&#x6D41;&#x91CF;&#x90FD;&#x88AB;&#x8F6C;&#x53D1;&#x5230;&#x4E86;<code>BACKEND</code>&#x6240;&#x5217;&#x7684;Kubernetes service&#x4E0A;&#x3002;</p>
<h3 id="&#x7B80;&#x5355;&#x5C55;&#x5F00;">&#x7B80;&#x5355;&#x5C55;&#x5F00;</h3>
<p>&#x5982;&#x524D;&#x9762;&#x63CF;&#x8FF0;&#x7684;&#x90A3;&#x6837;&#xFF0C;kubernete pod&#x4E2D;&#x7684;IP&#x53EA;&#x5728;&#x96C6;&#x7FA4;&#x7F51;&#x7EDC;&#x5185;&#x90E8;&#x53EF;&#x89C1;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x5728;&#x8FB9;&#x754C;&#x8BBE;&#x7F6E;&#x4E00;&#x4E2A;&#x4E1C;&#x897F;&#xFF0C;&#x8BA9;&#x5B83;&#x80FD;&#x591F;&#x63A5;&#x6536;ingress&#x7684;&#x6D41;&#x91CF;&#x5E76;&#x5C06;&#x5B83;&#x4EEC;&#x8F6C;&#x53D1;&#x5230;&#x6B63;&#x786E;&#x7684;&#x7AEF;&#x70B9;&#x4E0A;&#x3002;&#x8FD9;&#x4E2A;&#x4E1C;&#x897F;&#x4E00;&#x822C;&#x662F;&#x9AD8;&#x53EF;&#x7528;&#x7684;loadbalancer&#x3002;&#x4F7F;&#x7528;Ingress&#x80FD;&#x591F;&#x5141;&#x8BB8;&#x4F60;&#x5C06;loadbalancer&#x7684;&#x4E2A;&#x6570;&#x964D;&#x4F4E;&#x5230;&#x6700;&#x5C11;&#xFF0C;&#x4F8B;&#x5982;&#xFF0C;&#x5047;&#x5982;&#x4F60;&#x60F3;&#x8981;&#x521B;&#x5EFA;&#x8FD9;&#x6837;&#x7684;&#x4E00;&#x4E2A;&#x8BBE;&#x7F6E;&#xFF1A;</p>
<pre><code>foo.bar.com -&gt; 178.91.123.132 -&gt; / foo s1:80
/ bar s2:80
</code></pre><p>&#x4F60;&#x9700;&#x8981;&#x4E00;&#x4E2A;&#x8FD9;&#x6837;&#x7684;ingress&#xFF1A;</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> test
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> rules:</span>
<span class="hljs-attr"> - host:</span> foo.bar.com
<span class="hljs-attr"> http:</span>
<span class="hljs-attr"> paths:</span>
<span class="hljs-attr"> - path:</span> /foo
<span class="hljs-attr"> backend:</span>
<span class="hljs-attr"> serviceName:</span> s1
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> - path:</span> /bar
<span class="hljs-attr"> backend:</span>
<span class="hljs-attr"> serviceName:</span> s2
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
</code></pre>
<p>&#x4F7F;&#x7528;<code>kubectl create -f</code>&#x521B;&#x5EFA;&#x5B8C;ingress&#x540E;&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get ing
NAME RULE BACKEND ADDRESS
<span class="hljs-built_in">test</span> -
foo.bar.com
/foo s1:80
/bar s2:80
</code></pre>
<p>&#x53EA;&#x8981;&#x670D;&#x52A1;&#xFF08;s1&#xFF0C;s2&#xFF09;&#x5B58;&#x5728;&#xFF0C;Ingress controller&#x5C31;&#x4F1A;&#x5C06;&#x63D0;&#x4F9B;&#x4E00;&#x4E2A;&#x6EE1;&#x8DB3;&#x8BE5;Ingress&#x7684;&#x7279;&#x5B9A;loadbalancer&#x5B9E;&#x73B0;&#x3002; &#x8FD9;&#x4E00;&#x6B65;&#x5B8C;&#x6210;&#x540E;&#xFF0C;&#x60A8;&#x5C06;&#x5728;Ingress&#x7684;&#x6700;&#x540E;&#x4E00;&#x5217;&#x770B;&#x5230;loadbalancer&#x7684;&#x5730;&#x5740;&#x3002;</p>
<h3 id="&#x57FA;&#x4E8E;&#x540D;&#x79F0;&#x7684;&#x865A;&#x62DF;&#x4E3B;&#x673A;">&#x57FA;&#x4E8E;&#x540D;&#x79F0;&#x7684;&#x865A;&#x62DF;&#x4E3B;&#x673A;</h3>
<p>Name-based&#x7684;&#x865A;&#x62DF;&#x4E3B;&#x673A;&#x5728;&#x540C;&#x4E00;&#x4E2A;IP&#x5730;&#x5740;&#x4E0B;&#x62E5;&#x6709;&#x591A;&#x4E2A;&#x4E3B;&#x673A;&#x540D;&#x3002;</p>
<pre><code>foo.bar.com --| |-&gt; foo.bar.com s1:80
| 178.91.123.132 |
bar.foo.com --| |-&gt; bar.foo.com s2:80
</code></pre><p>&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;ingress&#x8BF4;&#x660E;&#x57FA;&#x4E8E;<a href="https://tools.ietf.org/html/rfc7230#section-5.4" target="_blank">Host header</a>&#x7684;&#x540E;&#x7AEF;loadbalancer&#x7684;&#x8DEF;&#x7531;&#x8BF7;&#x6C42;&#xFF1A;</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> test
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> rules:</span>
<span class="hljs-attr"> - host:</span> foo.bar.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> s1
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> - host:</span> bar.foo.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> s2
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
</code></pre>
<p><strong>&#x9ED8;&#x8BA4;backend</strong>&#xFF1A;&#x4E00;&#x4E2A;&#x6CA1;&#x6709;rule&#x7684;ingress&#xFF0C;&#x5982;&#x524D;&#x9762;&#x7AE0;&#x8282;&#x4E2D;&#x6240;&#x793A;&#xFF0C;&#x6240;&#x6709;&#x6D41;&#x91CF;&#x90FD;&#x5C06;&#x53D1;&#x9001;&#x5230;&#x4E00;&#x4E2A;&#x9ED8;&#x8BA4;backend&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x7528;&#x8BE5;&#x6280;&#x5DE7;&#x901A;&#x77E5;loadbalancer&#x5982;&#x4F55;&#x627E;&#x5230;&#x4F60;&#x7F51;&#x7AD9;&#x7684;404&#x9875;&#x9762;&#xFF0C;&#x901A;&#x8FC7;&#x5236;&#x5B9A;&#x4E00;&#x4E9B;&#x5217;rule&#x548C;&#x4E00;&#x4E2A;&#x9ED8;&#x8BA4;backend&#x7684;&#x65B9;&#x5F0F;&#x3002;&#x5982;&#x679C;&#x8BF7;&#x6C42;header&#x4E2D;&#x7684;host&#x4E0D;&#x80FD;&#x8DDF;ingress&#x4E2D;&#x7684;host&#x5339;&#x914D;&#xFF0C;&#x5E76;&#x4E14;/&#x6216;&#x8BF7;&#x6C42;&#x7684;URL&#x4E0D;&#x80FD;&#x4E0E;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;path&#x5339;&#x914D;&#xFF0C;&#x5219;&#x6D41;&#x91CF;&#x5C06;&#x8DEF;&#x7531;&#x5230;&#x4F60;&#x7684;&#x9ED8;&#x8BA4;backend&#x3002;</p>
<h3 id="tls">TLS</h3>
<p>&#x4F60;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x6307;&#x5B9A;&#x5305;&#x542B;TLS&#x79C1;&#x94A5;&#x548C;&#x8BC1;&#x4E66;&#x7684;<a href="https://kubernetes.io/docs/user-guide/secrets" target="_blank">secret</a>&#x6765;&#x52A0;&#x5BC6;Ingress&#x3002; &#x76EE;&#x524D;&#xFF0C;Ingress&#x4EC5;&#x652F;&#x6301;&#x5355;&#x4E2A;TLS&#x7AEF;&#x53E3;443&#xFF0C;&#x5E76;&#x5047;&#x5B9A;TLS termination&#x3002; &#x5982;&#x679C;Ingress&#x4E2D;&#x7684;TLS&#x914D;&#x7F6E;&#x90E8;&#x5206;&#x6307;&#x5B9A;&#x4E86;&#x4E0D;&#x540C;&#x7684;&#x4E3B;&#x673A;&#xFF0C;&#x5219;&#x5B83;&#x4EEC;&#x5C06;&#x6839;&#x636E;&#x901A;&#x8FC7;SNI TLS&#x6269;&#x5C55;&#x6307;&#x5B9A;&#x7684;&#x4E3B;&#x673A;&#x540D;&#xFF08;&#x5047;&#x5982;Ingress controller&#x652F;&#x6301;SNI&#xFF09;&#x5728;&#x591A;&#x4E2A;&#x76F8;&#x540C;&#x7AEF;&#x53E3;&#x4E0A;&#x8FDB;&#x884C;&#x590D;&#x7528;&#x3002; TLS secret&#x4E2D;&#x5FC5;&#x987B;&#x5305;&#x542B;&#x540D;&#x4E3A;<code>tls.crt</code>&#x548C;<code>tls.key</code>&#x7684;&#x5BC6;&#x94A5;&#xFF0C;&#x8FD9;&#x91CC;&#x9762;&#x5305;&#x542B;&#x4E86;&#x7528;&#x4E8E;TLS&#x7684;&#x8BC1;&#x4E66;&#x548C;&#x79C1;&#x94A5;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">data:</span>
tls.crt: base64 encoded cert
tls.key: base64 encoded key
<span class="hljs-attr">kind:</span> Secret
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> testsecret
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">type:</span> Opaque
</code></pre>
<p>&#x5728;Ingress&#x4E2D;&#x5F15;&#x7528;&#x8FD9;&#x4E2A;secret&#x5C06;&#x901A;&#x77E5;Ingress controller&#x4F7F;&#x7528;TLS&#x52A0;&#x5BC6;&#x4ECE;&#x5C06;&#x5BA2;&#x6237;&#x7AEF;&#x5230;loadbalancer&#x7684;channel&#xFF1A;</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> <span class="hljs-literal">no</span>-rules-map
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> tls:</span>
<span class="hljs-attr"> - secretName:</span> testsecret
<span class="hljs-attr"> backend:</span>
<span class="hljs-attr"> serviceName:</span> s1
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
</code></pre>
<p>&#x8BF7;&#x6CE8;&#x610F;&#xFF0C;&#x5404;&#x79CD;Ingress controller&#x652F;&#x6301;&#x7684;TLS&#x529F;&#x80FD;&#x4E4B;&#x95F4;&#x5B58;&#x5728;&#x5DEE;&#x8DDD;&#x3002; &#x8BF7;&#x53C2;&#x9605;&#x6709;&#x5173;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/nginx/README.md#https" target="_blank">nginx</a>&#xFF0C;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/gce/README.md#tls" target="_blank">GCE</a>&#x6216;&#x4EFB;&#x4F55;&#x5176;&#x4ED6;&#x5E73;&#x53F0;&#x7279;&#x5B9A;Ingress controller&#x7684;&#x6587;&#x6863;&#xFF0C;&#x4EE5;&#x4E86;&#x89E3;TLS&#x5728;&#x4F60;&#x7684;&#x73AF;&#x5883;&#x4E2D;&#x7684;&#x5DE5;&#x4F5C;&#x539F;&#x7406;&#x3002;</p>
<p>Ingress controller&#x542F;&#x52A8;&#x65F6;&#x9644;&#x5E26;&#x4E00;&#x4E9B;&#x9002;&#x7528;&#x4E8E;&#x6240;&#x6709;Ingress&#x7684;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x7B56;&#x7565;&#x8BBE;&#x7F6E;&#xFF0C;&#x4F8B;&#x5982;&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x7B97;&#x6CD5;&#xFF0C;&#x540E;&#x7AEF;&#x6743;&#x91CD;&#x65B9;&#x6848;&#x7B49;&#x3002;&#x66F4;&#x9AD8;&#x7EA7;&#x7684;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x6982;&#x5FF5;&#xFF08;&#x4F8B;&#x5982;&#x6301;&#x4E45;&#x4F1A;&#x8BDD;&#xFF0C;&#x52A8;&#x6001;&#x6743;&#x91CD;&#xFF09;&#x5C1A;&#x672A;&#x5728;Ingress&#x4E2D;&#x516C;&#x5F00;&#x3002; &#x4F60;&#x4ECD;&#x7136;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;<a href="https://github.com/kubernetes/contrib/tree/master/service-loadbalancer" target="_blank">service loadbalancer</a>&#x83B7;&#x53D6;&#x8FD9;&#x4E9B;&#x529F;&#x80FD;&#x3002; &#x968F;&#x7740;&#x65F6;&#x95F4;&#x7684;&#x63A8;&#x79FB;&#xFF0C;&#x6211;&#x4EEC;&#x8BA1;&#x5212;&#x5C06;&#x9002;&#x7528;&#x4E8E;&#x8DE8;&#x5E73;&#x53F0;&#x7684;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x6A21;&#x5F0F;&#x52A0;&#x5165;&#x5230;Ingress&#x8D44;&#x6E90;&#x4E2D;&#x3002;</p>
<p>&#x8FD8;&#x503C;&#x5F97;&#x6CE8;&#x610F;&#x7684;&#x662F;&#xFF0C;&#x5C3D;&#x7BA1;&#x5065;&#x5EB7;&#x68C0;&#x67E5;&#x4E0D;&#x76F4;&#x63A5;&#x901A;&#x8FC7;Ingress&#x516C;&#x5F00;&#xFF0C;&#x4F46;Kubernetes&#x4E2D;&#x5B58;&#x5728;&#x5E76;&#x884C;&#x6982;&#x5FF5;&#xFF0C;&#x4F8B;&#x5982;<a href="https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/" target="_blank">&#x51C6;&#x5907;&#x63A2;&#x67E5;</a>&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x4F60;&#x8FBE;&#x6210;&#x76F8;&#x540C;&#x7684;&#x6700;&#x7EC8;&#x7ED3;&#x679C;&#x3002; &#x8BF7;&#x67E5;&#x770B;&#x7279;&#x5B9A;&#x63A7;&#x5236;&#x5668;&#x7684;&#x6587;&#x6863;&#xFF0C;&#x4EE5;&#x4E86;&#x89E3;&#x4ED6;&#x4EEC;&#x5982;&#x4F55;&#x5904;&#x7406;&#x5065;&#x5EB7;&#x68C0;&#x67E5;&#xFF08;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/nginx/README.md" target="_blank">nginx</a>&#xFF0C;<a href="https://github.com/kubernetes/ingress/blob/master/controllers/gce/README.md#health-checks" target="_blank">GCE</a>&#xFF09;&#x3002;</p>
<h2 id="&#x66F4;&#x65B0;ingress">&#x66F4;&#x65B0;Ingress</h2>
<p>&#x5047;&#x5982;&#x4F60;&#x60F3;&#x8981;&#x5411;&#x5DF2;&#x6709;&#x7684;ingress&#x4E2D;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x65B0;&#x7684;Host&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x7F16;&#x8F91;&#x548C;&#x66F4;&#x65B0;&#x8BE5;ingress&#xFF1A;</p>
<pre><code class="lang-Bash">$ kubectl get ing
NAME RULE BACKEND ADDRESS
<span class="hljs-built_in">test</span> - 178.91.123.132
foo.bar.com
/foo s1:80
$ kubectl edit ing <span class="hljs-built_in">test</span>
</code></pre>
<p>&#x8FD9;&#x4F1A;&#x5F39;&#x51FA;&#x4E00;&#x4E2A;&#x5305;&#x542B;&#x5DF2;&#x6709;&#x7684;yaml&#x6587;&#x4EF6;&#x7684;&#x7F16;&#x8F91;&#x5668;&#xFF0C;&#x4FEE;&#x6539;&#x5B83;&#xFF0C;&#x589E;&#x52A0;&#x65B0;&#x7684;Host&#x914D;&#x7F6E;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">spec:</span>
<span class="hljs-attr"> rules:</span>
<span class="hljs-attr"> - host:</span> foo.bar.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> s1
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> path:</span> /foo
<span class="hljs-attr"> - host:</span> bar.baz.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> s2
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
<span class="hljs-attr"> path:</span> /foo
..
</code></pre>
<p>&#x4FDD;&#x5B58;&#x5B83;&#x4F1A;&#x66F4;&#x65B0;API server&#x4E2D;&#x7684;&#x8D44;&#x6E90;&#xFF0C;&#x8FD9;&#x4F1A;&#x89E6;&#x53D1;ingress controller&#x91CD;&#x65B0;&#x914D;&#x7F6E;loadbalancer&#x3002;</p>
<pre><code class="lang-bash">$ kubectl get ing
NAME RULE BACKEND ADDRESS
<span class="hljs-built_in">test</span> - 178.91.123.132
foo.bar.com
/foo s1:80
bar.baz.com
/foo s2:80
</code></pre>
<p>&#x5728;&#x4E00;&#x4E2A;&#x4FEE;&#x6539;&#x8FC7;&#x7684;ingress yaml&#x6587;&#x4EF6;&#x4E0A;&#x8C03;&#x7528;<code>kubectl replace -f</code>&#x547D;&#x4EE4;&#x4E00;&#x6837;&#x53EF;&#x4EE5;&#x8FBE;&#x5230;&#x540C;&#x6837;&#x7684;&#x6548;&#x679C;&#x3002;</p>
<h2 id="&#x8DE8;&#x53EF;&#x7528;&#x57DF;&#x6545;&#x969C;">&#x8DE8;&#x53EF;&#x7528;&#x57DF;&#x6545;&#x969C;</h2>
<p>&#x5728;&#x4E0D;&#x901A;&#x4E91;&#x4F9B;&#x5E94;&#x5546;&#x4E4B;&#x95F4;&#xFF0C;&#x8DE8;&#x6545;&#x969C;&#x57DF;&#x7684;&#x6D41;&#x91CF;&#x4F20;&#x64AD;&#x6280;&#x672F;&#x6709;&#x6240;&#x4E0D;&#x540C;&#x3002; &#x6709;&#x5173;&#x8BE6;&#x7EC6;&#x4FE1;&#x606F;&#xFF0C;&#x8BF7;&#x67E5;&#x770B;&#x76F8;&#x5173;Ingress controller&#x7684;&#x6587;&#x6863;&#x3002; &#x6709;&#x5173;&#x5728;federation&#x96C6;&#x7FA4;&#x4E2D;&#x90E8;&#x7F72;Ingress&#x7684;&#x8BE6;&#x7EC6;&#x4FE1;&#x606F;&#xFF0C;&#x8BF7;&#x53C2;&#x9605;<a href="">federation&#x6587;&#x6863;</a>&#x3002;</p>
<h2 id="&#x672A;&#x6765;&#x8BA1;&#x5212;">&#x672A;&#x6765;&#x8BA1;&#x5212;</h2>
<ul>
<li>&#x591A;&#x6837;&#x5316;&#x7684;HTTPS/TLS&#x6A21;&#x578B;&#x652F;&#x6301;&#xFF08;&#x5982;SNI&#xFF0C;re-encryption&#xFF09;</li>
<li>&#x901A;&#x8FC7;&#x58F0;&#x660E;&#x6765;&#x8BF7;&#x6C42;IP&#x6216;&#x8005;&#x4E3B;&#x673A;&#x540D;</li>
<li>&#x7ED3;&#x5408;L4&#x548C;L7 Ingress</li>
<li>&#x66F4;&#x591A;&#x7684;Ingress controller</li>
</ul>
<p>&#x8BF7;&#x8DDF;&#x8E2A;<a href="https://github.com/kubernetes/kubernetes/pull/12827" target="_blank">L7&#x548C;Ingress&#x7684;proposal</a>&#xFF0C;&#x4E86;&#x89E3;&#x6709;&#x5173;&#x8D44;&#x6E90;&#x6F14;&#x8FDB;&#x7684;&#x66F4;&#x591A;&#x7EC6;&#x8282;&#xFF0C;&#x4EE5;&#x53CA;<a href="https://github.com/kubernetes/ingress/tree/master" target="_blank">Ingress repository</a>&#xFF0C;&#x4E86;&#x89E3;&#x6709;&#x5173;&#x5404;&#x79CD;Ingress controller&#x6F14;&#x8FDB;&#x7684;&#x66F4;&#x591A;&#x8BE6;&#x7EC6;&#x4FE1;&#x606F;&#x3002;</p>
<h2 id="&#x66FF;&#x4EE3;&#x65B9;&#x6848;">&#x66FF;&#x4EE3;&#x65B9;&#x6848;</h2>
<p>&#x4F60;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5F88;&#x591A;&#x79CD;&#x65B9;&#x5F0F;&#x66B4;&#x9732;service&#x800C;&#x4E0D;&#x5FC5;&#x76F4;&#x63A5;&#x4F7F;&#x7528;ingress&#xFF1A;</p>
<ul>
<li>&#x4F7F;&#x7528;<a href="https://kubernetes.io/docs/user-guide/services/#type-loadbalancer" target="_blank">Service.Type=LoadBalancer</a></li>
<li>&#x4F7F;&#x7528;<a href="https://kubernetes.io/docs/user-guide/services/#type-nodeport" target="_blank">Service.Type=NodePort</a></li>
<li>&#x4F7F;&#x7528;<a href="https://github.com/kubernetes/contrib/tree/master/for-demos/proxy-to-service" target="_blank">Port Proxy</a></li>
<li>&#x90E8;&#x7F72;&#x4E00;&#x4E2A;<a href="https://github.com/kubernetes/contrib/tree/master/service-loadbalancer" target="_blank">Service loadbalancer</a> &#x8FD9;&#x5141;&#x8BB8;&#x4F60;&#x5728;&#x591A;&#x4E2A;service&#x4E4B;&#x95F4;&#x5171;&#x4EAB;&#x5355;&#x4E2A;IP&#xFF0C;&#x5E76;&#x901A;&#x8FC7;Service Annotations&#x5B9E;&#x73B0;&#x66F4;&#x9AD8;&#x7EA7;&#x7684;&#x8D1F;&#x8F7D;&#x5E73;&#x8861;&#x3002;</li>
</ul>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<p><a href="https://kubernetes.io/docs/concepts/services-networking/ingress/" target="_blank">Kubernetes Ingress Resource</a></p>
<p><a href="http://dockone.io/article/957" target="_blank">&#x4F7F;&#x7528;NGINX Plus&#x8D1F;&#x8F7D;&#x5747;&#x8861;Kubernetes&#x670D;&#x52A1;</a></p>
<p><a href="http://www.cnblogs.com/276815076/p/6407101.html" target="_blank">&#x4F7F;&#x7528; NGINX &#x548C; NGINX Plus &#x7684; Ingress Controller &#x8FDB;&#x884C; Kubernetes &#x7684;&#x8D1F;&#x8F7D;&#x5747;&#x8861;</a></p>
<p><a href="https://blog.osones.com/en/kubernetes-ingress-controller-with-traefik-and-lets-encrypt.html" target="_blank">Kubernetes : Ingress Controller with Tr&#xE6;f&#x26A;k and Let&apos;s Encrypt</a></p>
<p><a href="https://blog.osones.com/en/kubernetes-traefik-and-lets-encrypt-at-scale.html" target="_blank">Kubernetes : Tr&#xE6;f&#x26A;k and Let&apos;s Encrypt at scale</a></p>
<p><a href="https://docs.traefik.io/user-guide/kubernetes/" target="_blank">Kubernetes Ingress Controller-Tr&#xE6;f&#x26A;k</a></p>
2017-10-09 15:28:05 +08:00
<p><a href="http://blog.kubernetes.io/2016/03/Kubernetes-1.2-and-simplifying-advanced-networking-with-Ingress.html" target="_blank">Kubernetes 1.2 and simplifying advanced networking with Ingress</a> </p>
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