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<meta itemprop="description" content="了解如何运行ServiceComb的服务中心">
<meta itemprop="dateModified" content="November 12, 2019">
<div class="page__inner-wrap">
<header>
<h1 class="page__title" itemprop="headline">ServiceCenter 安装
</h1>
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<section class="page__content" itemprop="text">
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<!-- <header><h4 class="nav__title"><i class="fa fa-file-text"></i> 在本页上</h4></header> -->
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<li><a href="#服务中心-servicecenter" id="markdown-toc-服务中心-servicecenter">服务中心 ServiceCenter</a></li>
<li><a href="#版本发布包启动" id="markdown-toc-版本发布包启动">版本发布包启动</a></li>
<li><a href="#docker镜像启动" id="markdown-toc-docker镜像启动">Docker镜像启动</a></li>
<li><a href="#kubernetes-部署" id="markdown-toc-kubernetes-部署">Kubernetes 部署</a></li>
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<h2 id="服务中心-servicecenter">服务中心 ServiceCenter</h2>
<p>ServiceCenter是一个服务注册中心。 服务提供者可以将自身的实例信息注册到 ServiceCenter,以供服务消费者发现并使用它。</p>
<h2 id="版本发布包启动">版本发布包启动</h2>
<ol>
<li>下载 <a href="/cn/release/service-center-downloads/">最新版本的Service-Center</a><br />
此处使用了 apache-servicecomb-service-center-2.1.0-linux-amd64.tar.gz 包做介绍,实际操作时请根据系统环境从下载页面选取最新版本</li>
<li>启动服务
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 解压tar包</span>
<span class="nv">$ </span><span class="nb">tar</span> <span class="nt">-zxvf</span> apache-servicecomb-service-center-2.1.0-linux-amd64.tar.gz
<span class="c"># 启动servicecenter服务</span>
<span class="nv">$ </span><span class="nb">cd </span>apache-servicecomb-service-center-2.1.0-linux-amd64/
<span class="nv">$ </span>./start-service-center.sh
</code></pre></div> </div>
</li>
<li>查看服务状态
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 查看进程状态</span>
<span class="nv">$ </span>ps <span class="nt">-ef</span> | <span class="nb">grep </span>service-center
root 27048 1 2 14:38 pts/2 00:00:00 ./service-center
root 27164 22742 0 14:38 pts/2 00:00:00 <span class="nb">grep</span> <span class="nt">--color</span><span class="o">=</span>auto service-center
<span class="c"># 查看端口监听</span>
<span class="nv">$ </span>netstat <span class="nt">-apn</span> | <span class="nb">grep</span> :30100
tcp 0 0 127.0.0.1:30100 0.0.0.0:<span class="k">*</span> LISTEN 27048/service-cente
<span class="c"># curl命令调用接口</span>
<span class="nv">$ </span>curl http://127.0.0.1:30100
<span class="o">{</span><span class="s2">"_links"</span>:<span class="o">{</span><span class="s2">"pb:latest-pact-versions"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/pacts/latest"</span>,<span class="s2">"title"</span>:<span class="s2">"Latest pact versions"</span><span class="o">}</span>,<span class="s2">"pb:latest-provider-pacts"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/pacts/provider/{provider}/latest"</span>,<span class="s2">"title"</span>:<span class="s2">"Latest pacts by provider"</span>,<span class="s2">"templated"</span>:true<span class="o">}</span>,<span class="s2">"pb:latest-provider-pacts-with-tag"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/pacts/provider/{provider}/latest/{tag}"</span>,<span class="s2">"title"</span>:<span class="s2">"Latest pacts by provider with a specified tag"</span>,<span class="s2">"templated"</span>:true<span class="o">}</span>,<span class="s2">"pb:pacticipants"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/participants"</span>,<span class="s2">"title"</span>:<span class="s2">"Pacticipants"</span><span class="o">}</span>,<span class="s2">"pb:publish-pact"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/pacts/provider/{provider}/consumer/{consumer}/version/{consumerApplicationVersion}"</span>,<span class="s2">"title"</span>:<span class="s2">"Publish a pact"</span>,<span class="s2">"templated"</span>:true<span class="o">}</span>,<span class="s2">"pb:webhooks"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/webhooks"</span>,<span class="s2">"title"</span>:<span class="s2">"Webhooks"</span><span class="o">}</span>,<span class="s2">"self"</span>:<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/"</span>,<span class="s2">"title"</span>:<span class="s2">"Index"</span><span class="o">}}</span>,<span class="s2">"curies"</span>:[<span class="o">{</span><span class="s2">"href"</span>:<span class="s2">"http://127.0.0.1:30100/doc/{rel}"</span>,<span class="s2">"name"</span>:<span class="s2">"pb"</span><span class="o">}]}</span>
<span class="c"># 返回如上json串即为启动成功</span>
</code></pre></div> </div>
</li>
<li>启动前端页面并查看状态
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>./start-frontend.sh
<span class="nv">$ </span>ps <span class="nt">-ef</span> | <span class="nb">grep </span>frontend
root 1875 32096 0 17:43 pts/6 00:00:00 <span class="nb">grep</span> <span class="nt">--color</span><span class="o">=</span>auto frontend
root 3020 1 0 Nov05 ? 00:00:23 ./frontend
<span class="c"># 查看端口监听</span>
<span class="nv">$ </span>netstat <span class="nt">-apn</span> | <span class="nb">grep</span> :30103
tcp 0 0 127.0.0.1:30103 0.0.0.0:<span class="k">*</span> LISTEN 3020/frontend
</code></pre></div> </div>
</li>
<li>浏览器访问前端页面 http://127.0.0.1:30103,查看服务中心实例(出现以下页面即为成功)<br />
<img src="/assets/images/docs/service-center/service-center.jpg" alt="1" /><br />
<strong><em>注:</em></strong>
<ul>
<li>若 frontend 服务不是本地启动,则无法通过 http://127.0.0.1:30103 访问;需要修改配置文件中”frontend_host_ip”为主机IP,并使用 http://{ip}:30103 的形式进行访问</li>
<li>若 Service-Center 需要对外提供服务,需要修改”httpaddr”,外部应用使用 http://{ip}:30100 进行访问<br />
如图:<br />
<img src="/assets/images/docs/service-center/config-host-ip.jpg" alt="1" /></li>
</ul>
</li>
</ol>
<h2 id="docker镜像启动">Docker镜像启动</h2>
<ol>
<li>下载并运行镜像
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 下载镜像</span>
<span class="nv">$ </span>docker pull servicecomb/service-center
<span class="c"># 启动容器</span>
<span class="nv">$ </span>docker run <span class="nt">-d</span> <span class="nt">-p</span> 30100:30100 servicecomb/service-center
</code></pre></div> </div>
</li>
<li>查看镜像状态和监听端口
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 查看端口监听</span>
<span class="nv">$ </span>docker ps | <span class="nb">grep </span>service-center
0733021cd96d servicecomb/service-center <span class="s2">"/opt/service-cent..."</span> 3 minutes ago Up 3 minutes 0.0.0.0:30100-&gt;30100/tcp gallant_varahamihira
</code></pre></div> </div>
</li>
</ol>
<h2 id="kubernetes-部署">Kubernetes 部署</h2>
<ol>
<li>配置部署脚本
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
<span class="nv">$ </span><span class="nb">cat</span> <span class="o">&lt;&lt;</span><span class="no">EOF</span><span class="sh"> &gt;&gt; ./service-center.yaml
apiVersion: v1
kind: Service
metadata:
name: servicecenter
namespace: svccomb-system
labels:
app: servicecenter
spec:
ports:
- port: 30100
name: http
selector:
app: servicecenter
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: servicecenter
namespace: svccomb-system
spec:
replicas: 1
template:
metadata:
labels:
app: servicecenter
version: v1
spec:
containers:
- name: servicecenter
image: servicecomb/service-center:latest
imagePullPolicy: IfNotPresent
ports:
- containerPort: 30100
</span><span class="no">EOF
</span></code></pre></div> </div>
</li>
<li>Kubernetes中部署
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 创建 namespace "svccomb-system"</span>
<span class="nv">$ </span>kubectl create namespace svccomb-system
<span class="c"># 部署 service-center</span>
<span class="nv">$ </span>kubectl apply <span class="nt">-f</span> service-center.yaml
</code></pre></div> </div>
</li>
<li>查看Pod状态和service端口
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># 查看 pod 启动状态</span>
<span class="nv">$ </span>kubectl <span class="nt">-n</span> svccomb-system get pod
NAME READY STATUS RESTARTS AGE
servicecenter-7d964b7644-h6f4s 1/1 Running 0 72s
<span class="c"># 获取 service 监听</span>
<span class="nv">$ </span>kubectl <span class="nt">-n</span> svccomb-system get service
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT<span class="o">(</span>S<span class="o">)</span> AGE
servicecenter ClusterIP 10.104.241.163 &lt;none&gt; 30100/TCP 118s
<span class="nv">$ </span>curl http://10.104.241.163:30100
...
</code></pre></div> </div>
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