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Supervisor.html
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<div class="page-header"><h1>Supervisor</h1></div>
<div class="well small">Permalink: <a class="more" href="/Supervisor.html">1000-01-01 18:44:00+00:09</a>
by <a class="url fn" href="/author/shang-wei.html">商伟 </a>
in <a href="/category/supervisor.html">Supervisor</a>
tags: <a href="/tag/supervisor.html">Supervisor</a> </div>
<div><h2>介绍</h2>
<p>Supervisor就是一个超级管理员，监管员。Supervisor是一个进程管理工具，当进程中断的时候Supervisor能自动重新启动它。</p>
<h2>Supervisor安装与配置</h2>
<h3>1、安装Python包管理工具(<a href="https://pypi.org/project/setuptools/">easy_install</a>)</h3>
<div class="highlight"><pre><span></span>yum install python-setuptools
</pre></div>
<h3>2、安装Supervisor</h3>
<div class="highlight"><pre><span></span>easy_install supervisor
</pre></div>
<h3>3、配置Supervisor应用守护</h3>
<p>a) 通过运行echo_supervisord_conf程序生成supervisor的初始化配置文件，如下所示：</p>
<div class="highlight"><pre><span></span>mkdir /etc/supervisor
echo_supervisord_conf > /etc/supervisor/supervisord.conf
</pre></div>
<p>然后查看路径下的supervisord.conf。在文件尾部添加如下配置。</p>
<div class="highlight"><pre><span></span>...
<span class="p">;</span><span class="o">[</span>include<span class="o">]</span>
<span class="p">;</span><span class="nv">files</span> <span class="o">=</span> relative/directory/*.ini
<span class="p">;</span>conf.d 为配置表目录的文件夹，需要手动创建
<span class="o">[</span>include<span class="o">]</span>
<span class="nv">files</span> <span class="o">=</span> conf.d/*.conf
</pre></div>
<p>b) 为你的程序创建一个.conf文件，放在目录"/etc/supervisor/conf.d/"下。</p>
<div class="highlight"><pre><span></span><span class="o">[</span>program:MGToastServer<span class="o">]</span> <span class="p">;</span>程序名称，终端控制时需要的标识
<span class="nv">command</span><span class="o">=</span>dotnet MGToastServer.dll <span class="p">;</span> 运行程序的命令
<span class="nv">directory</span><span class="o">=</span>/root/文档/toastServer/ <span class="p">;</span> 命令执行的目录
<span class="nv">autorestart</span><span class="o">=</span><span class="nb">true</span> <span class="p">;</span> 程序意外退出是否自动重启
<span class="nv">stderr_logfile</span><span class="o">=</span>/var/log/MGToastServer.err.log <span class="p">;</span> 错误日志文件
<span class="nv">stdout_logfile</span><span class="o">=</span>/var/log/MGToastServer.out.log <span class="p">;</span> 输出日志文件
<span class="nv">environment</span><span class="o">=</span><span class="nv">ASPNETCORE_ENVIRONMENT</span><span class="o">=</span>Production <span class="p">;</span> 进程环境变量
<span class="nv">user</span><span class="o">=</span>root <span class="p">;</span> 进程执行的用户身份
<span class="nv">stopsignal</span><span class="o">=</span>INT
</pre></div>
<p>c) 运行supervisord，查看是否生效</p>
<div class="highlight"><pre><span></span>supervisord -c /etc/supervisor/supervisord.conf
ps -ef <span class="p">|</span> grep MGToastServer
</pre></div>
<p>成功后的效果：</p>
<p><img alt="img" src="https:////upload-images.jianshu.io/upload_images/9709727-587293319af36520.png?imageMogr2/auto-orient/strip|imageView2/2/w/708/format/webp"></p>
<blockquote>
<p>ps 如果服务已启动，修改配置文件可用“supervisorctl reload”命令来使其生效</p>
</blockquote>
<h3>4、配置Supervisor开机启动</h3>
<p>a) 新建一个“supervisord.service”文件</p>
<div class="highlight"><pre><span></span><span class="c1"># dservice for systemd (CentOS 7.0+)</span>
<span class="c1"># by ET-CS (https://github.com/ET-CS)</span>
<span class="o">[</span>Unit<span class="o">]</span>
<span class="nv">Description</span><span class="o">=</span>Supervisor daemon
<span class="o">[</span>Service<span class="o">]</span>
<span class="nv">Type</span><span class="o">=</span>forking
<span class="nv">ExecStart</span><span class="o">=</span>/usr/bin/supervisord -c /etc/supervisor/supervisord.conf
<span class="nv">ExecStop</span><span class="o">=</span>/usr/bin/supervisorctl shutdown
<span class="nv">ExecReload</span><span class="o">=</span>/usr/bin/supervisorctl reload
<span class="nv">KillMode</span><span class="o">=</span>process
<span class="nv">Restart</span><span class="o">=</span>on-failure
<span class="nv">RestartSec</span><span class="o">=</span>42s
<span class="o">[</span>Install<span class="o">]</span>
<span class="nv">WantedBy</span><span class="o">=</span>multi-user.target
</pre></div>
<p>b) 将文件拷贝至"/usr/lib/systemd/system/supervisord.service"</p>
<p>c) 执行命令</p>
<div class="highlight"><pre><span></span>systemctl <span class="nb">enable</span> supervisord
</pre></div>
<p>d) 执行命令来验证是否为开机启动</p>
<div class="highlight"><pre><span></span>systemctl is-enabled supervisord
</pre></div>
<h3>配置完成啦.</h3>
<h2>常用的相关管理命令</h2>
<div class="highlight"><pre><span></span>supervisorctl restart <application name> <span class="p">;</span>重启指定应用
supervisorctl stop <application name> <span class="p">;</span>停止指定应用
supervisorctl start <application name> <span class="p">;</span>启动指定应用
supervisorctl restart all <span class="p">;</span>重启所有应用
supervisorctl stop all <span class="p">;</span>停止所有应用
supervisorctl start all <span class="p">;</span>启动所有应用
</pre></div></div>
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