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### Supervisor 部署
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`Supervisor` 是 `Linux/Unix` 系统下的一个进程管理工具，可靠稳定，很多著名框架的进程守护都推荐使用该软件。
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#### 安装 Supervisor
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> 这里仅举例 `CentOS` 系统下的安装方式：
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```bash
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# 安装 epel 源，如果此前安装过，此步骤跳过
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yum install -y epel-release
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yum install -y supervisor // 【ubutu】apt-get install supervisor
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```
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#### 创建一个配置文件
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```bash
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cp /etc/supervisord.conf /etc/supervisord.d/supervisord.conf
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#编辑刚才新复制的配置文件
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vim /etc/supervisord.d/supervisord.conf
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# 在[include]节点前添加以下内容，保存
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[program:GoSkeleton]
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# 设置命令在指定的目录内执行
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directory=/home/wwwroot/GoProject2020/goskeleton/
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#例如，我们编译完以后的go程序名为：main
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command= /bin/bash -c ./main
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user=root
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# supervisor 启动时自动该应用
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autostart=true
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# 进程退出后自动重启进程
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autorestart=true
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# 进程持续运行多久才认为是启动成功
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startsecs = 5
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# 启动重试次数
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startretries = 3
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#指定日志目录（将原来在调试输出界面的内容统一写到指定文件）
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stdout_logfile=/home/wwwroot/GoProject2020/Storage/logs/out.log
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stderr_logfile=/home/wwwroot/GoProject2020/Storage/logs/err.log
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```
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#### 配置 `Supervisor` 可视化管理界面
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> 1.编辑配置文件 /etc/supervisord.d/supervisord.conf ,将以下注释打开即可。
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```ini
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[inet_http_server]
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port=0.0.0.0:9001
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#设置可视化管理账号
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username=user_name
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#设置可视化管理密码
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password=user_pass
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```
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#### 启动 Supervisor
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```jsunicoderegexp
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supervisord -c /etc/supervisord.d/supervisord.conf
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```
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#### 使用 supervisorctl 命令管理项目
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> 此时你也可以通过浏览器打开 `ip:9001` 地址，输入账号、密码对应用程序进行可视化管理。
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```bash
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# 启动 Goskeleton 应用
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supervisorctl start Goskeleton
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# 重启 GoSkeleton 应用
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supervisorctl restart Goskeleton
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# 停止 GoSkeleton 应用
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supervisorctl stop Goskeleton
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# 查看所有被管理项目运行状态
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supervisorctl status
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# 重新加载配置文件,一般是增加了新的项目节点，执行此命令即可使新项目运行起来而不影响老项目
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supervisorctl update
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# 重新启动所有程序
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supervisorctl reload
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```
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