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<meta property="article:modified_time" content="Thu Jul 25 2019 22:26:28 GMT+0800 (GMT+08:00)"><meta property="og:site_name" content="Kuboard"><meta property="og:title" content="端口转发"><meta property="og:type" content="website"><meta property="og:url" content="/guide/diagonize/port-forward.html"><meta name="twitter:title" content="端口转发"><meta name="twitter:url" content="/guide/diagonize/port-forward.html"><meta name="twitter:card" content="summary_large_image">
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<div id="app" data-server-rendered="true"><div class="theme-container" data-v-79c95b4d><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/" class="home-link router-link-active"><!----> <span class="site-name">Kuboard</span></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><a href="/overview/" class="nav-link">简介</a></div><div class="nav-item"><a href="/install/" class="nav-link">安装</a></div><div class="nav-item"><a href="/guide/" class="nav-link router-link-active">使用</a></div><div class="nav-item"><a href="/support/" class="nav-link">支持</a></div> <!----></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><div data-v-79c95b4d><div style="text-align:center;margin-top:20px;" data-v-79c95b4d><div class="side-nav-item" style="margin-left:0;" data-v-79c95b4d><a href="/overview/" class="nav-link" data-v-79c95b4d>简介</a></div> <div class="side-nav-item" data-v-79c95b4d><a href="/install/" class="nav-link router-link-exact-active router-link-active" data-v-79c95b4d>安装</a></div> <div class="side-nav-item" style="border-bottom:2px solid #0b85ff;" data-v-79c95b4d><a href="/guide/" class="nav-link" data-v-79c95b4d>使用</a></div> <div class="side-nav-item" data-v-79c95b4d><a href="/support/" class="nav-link" data-v-79c95b4d>支持</a></div></div></div> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>概述</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/" class="sidebar-link">概述</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Example</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/example/busybox.html" class="sidebar-link">部署 busybox</a></li><li><a href="/guide/example/import.html" class="sidebar-link">导入 example 微服务</a></li><li><a href="/guide/example/monitor.html" class="sidebar-link">监控 example (alpha)</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>集群管理</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/cluster/computing.html" class="sidebar-link">计算资源管理</a></li><li><a href="/guide/cluster/storage.html" class="sidebar-link">存储空间管理</a></li><li><a href="/guide/cluster/namespace.html" class="sidebar-link">名称空间管理</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>应用管理</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/namespace/workload.html" class="sidebar-link">工作负载</a></li><li><a href="/guide/namespace/secrets.html" class="sidebar-link">Secrets</a></li><li><a href="/guide/namespace/configMap.html" class="sidebar-link">配置</a></li><li><a href="/guide/namespace/pvc.html" class="sidebar-link">存储卷声明</a></li><li><a href="/guide/namespace/adjustion.html" class="sidebar-link">日常调整</a></li><li><a href="/guide/namespace/multi-env.html" class="sidebar-link">多环境</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>问题诊断</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/diagonize/events.html" class="sidebar-link">集群事件</a></li><li><a href="/guide/diagonize/logs.html" class="sidebar-link">日志及终端</a></li><li><a href="/guide/diagonize/port-forward.html" class="active sidebar-link">端口转发</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/guide/diagonize/port-forward.html#feature-planned" class="sidebar-link">Feature planned</a></li></ul></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>监控套件 （alpha）</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/guide/monitor/" class="sidebar-link">监控套件</a></li><li><a href="/guide/monitor/apis.html" class="sidebar-link">自定义监控套件</a></li></ul></section></li></ul> <div style="text-align: center; margin-top: 5vh;"><strong>在线体验</strong> <div><a target="_blank" href="http://demo.eip.work/#/login?isReadOnly=true&token=eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.DcXNIp0RKha1zkV4ga_QlGfcvMLGx2LOyzX-0VeboC3FojKFhxnfBeoda-zTeh6ugJlSM4kQYrRcof1Kx8Mg3-UgofNmgRySbDEVKtJZyMUoHqLmySKUIn8sbX8q83RNcqwcvY-fM8-w8HSuzU7Td7WWNuZrlCL4q_LQDYIBet1nlQ83YsENKNE8rsZQFDw8YM0MH6BEZLdwyhaboy_jjYbsU7kv8gks3aIX4lh1Fs9ZFQpC_6B0_MZvb7rEeG2M8QWXoUkDoL5JCKu6Wot5GlWf0kDMxIsViggP0NmSDTKh6kIvCkT2FZ2I4guEcjE_EjBpdOS6Abta22tzLlPKhg"><p><img src="/assets/img/image-20190723104717575.f44900d3.png" style="width: 226px; height: 127px;"></p></a></div> <strong>在线提问</strong> <p><img src="/assets/img/kuboard_qq.45e78dbf.png"></p></div></aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="端口转发"><a href="#端口转发" aria-hidden="true" class="header-anchor">#</a> 端口转发</h1> <p>微服务环境中，各个服务都通过 TCP / UDP 端口的形式提供访问。按调用者所在位置、通信协议的形式来划分，大致有如下几种情况：</p> <table><thead><tr><th>调用者所在位置</th> <th>通信协议</th> <th>临时性</th> <th>常见场景</th> <th>推荐配置方式</th></tr></thead> <tbody><tr><td>VPC外</td> <td>http / https</td> <td>日常性</td> <td>用户从互联网（亦可能是公司内网）<br>访问 web 页面，或者 restful 接口</td> <td>Kubernetes Ingress<br>（可在Kuboard中直接配置 <em><strong>互联网入口</strong></em> ）</td></tr> <tr><td>VPC外</td> <td>tcp / udp</td> <td>临时性</td> <td>例如，开发者临时需要访问数据库端口、Redis端口等；</td> <td>在客户端所在机器配置 kubectl，<br>并<span style="color:#F56C6C;">通过 kubectl port-forwad 进行端口转发</span></td></tr> <tr><td>VPC外</td> <td>tcp / udp</td> <td>日常性</td> <td>暂不讨论</td> <td></td></tr> <tr><td>VPC内/集群外</td> <td>http / https</td> <td>日常性</td> <td>通过接口网关为周边系统提供服务</td> <td>Kubernetes Service NodePort<br>（可在Kuboard中直接配置 <em><strong>访问方式/VPC内访问</strong></em> ）</td></tr> <tr><td>VPC内/集群外</td> <td>tcp / udp</td> <td>同上</td> <td>同上</td> <td></td></tr> <tr><td>集群内</td> <td>http / https</td> <td>日常性</td> <td><strong>场景1</strong>：Web层访问微服务网关<br> <strong>场景2</strong>：微服务网关调用微服务，微服务之间的互相调用等。</td> <td><strong>场景1</strong>：Kubernetes Service ClusterIP <br>（可在Kuboard中直接配置 <em><strong>访问方式/集群内访问</strong></em> ）<br> <strong>场景2</strong>：Spring Cloud中使用Eureka/Consul等服务发现<br>（Kuboard中 <em><strong>访问方式/不配置</strong></em> ）</td></tr> <tr><td>集群内</td> <td>tcp / udp</td> <td>日常性</td> <td>微服务访问数据库、微服务访问Redis等</td> <td>Kubernetes Service ClusterIP <br>（可在Kuboard中直接配置 <em><strong>访问方式/集群内访问</strong></em> ）</td></tr></tbody></table> <h2 id="feature-planned"><a href="#feature-planned" aria-hidden="true" class="header-anchor">#</a> Feature planned</h2> <p>在作者使用 Kuboard 的运维实践中，有如下两个场景不能脱离 kubeadm / kubectl 命令行：</p> <ul><li>初始化集群 / 向集群添加节点</li> <li>开发者临时需要访问数据库端口、Redis端口时，通过 kubectl port-forward 进行端口转发</li></ul> <p>Kuboard 计划实现类似 kubectl port-forward 的功能，提高问题诊断过程中的便利性。</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">更新时间: </span> <span class="time">2019-07-25 22:26:28</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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