“Supervisor基础”的版本间的差异
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[https://www.cnblogs.com/xueweihan/p/6195824.html supervisor 安装、配置、常用命令] | [https://www.cnblogs.com/xueweihan/p/6195824.html supervisor 安装、配置、常用命令] | ||
2021年10月22日 (五) 01:16的版本
常识
Supervisor（http://supervisord.org/）是用Python开发的一个client/server服务，是Linux/Unix系统下的一个进程管理工具，不支持Windows系统。它可以很方便的监听、启动、停止、重启一个或多个进程。用Supervisor管理的进程，当一个进程意外被杀死，supervisort监听到进程死后，会自动将它重新拉起，很方便的做到进程自动恢复的功能，不再需要自己写shell脚本来控制
lx
php-worker]# cat supervisord.conf [supervisord] logfile=/tmp/supervisord.log ; main log file; default $CWD/supervisord.log logfile_maxbytes=50MB ; max main logfile bytes b4 rotation; default 50MB logfile_backups=10 ; # of main logfile backups; 0 means none, default 10 loglevel=debug ; log level; default info; others: debug,warn,trace pidfile=/tmp/supervisord.pid ; supervisord pidfile; default supervisord.pid22 nodaemon=true user=www-data [supervisorctl] [inet_http_server] port = *:9001 #username="yourusername" #password="yourpass" [rpcinterface:supervisor] supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface [include] files = /var/www/api.sns.cai.com/supervisord.d/production1.*.conf /var/www/apistatistical.cai.com/supervise/production1.*.conf #from laradock tree supervisord.d/ supervisord.d/ ├── laravel-worker.conf.example └── monitor-mail.conf
以tomcat 举例
Tomcat进程的一个例子： [program:tomcat] command=/opt/apache-tomcat-8.0.35/bin/catalina.sh run stdout_logfile=/opt/apache-tomcat-8.0.35/logs/catalina.out autostart=true autorestart=true startsecs=5 priority=1 stopasgroup=true killasgroup=true bash终端 supervisorctl status supervisorctl stop tomcat supervisorctl start tomcat supervisorctl restart tomcat supervisorctl reread supervisorctl update 查看单个任务状态: supervisorctl status 服务名 开机启动Supervisor服务 7.1 配置systemctl服务 1> 进入/lib/systemd/system目录，并创建supervisor.service文件 [Unit] Description=supervisor After=network.target [Service] Type=forking ExecStart=/usr/bin/supervisord -c /etc/supervisor/supervisord.conf ExecStop=/usr/bin/supervisorctl $OPTIONS shutdown ExecReload=/usr/bin/supervisorctl $OPTIONS reload KillMode=process Restart=on-failure RestartSec=42s [Install] WantedBy=multi-user.target 2> 设置开机启动 systemctl enable supervisor.service systemctl daemon-reload 3、修改文件权限为766 chmod 766 supervisor.service
trouble shooting
求助！supervisord 报错 FATAL Exited too quickly (process log may have details)
entered FATAL state, too many start retries too quickly
我 user 改成 root 之后可以了
supervisor 比较适合监控业务应用，且只能监控前台程序，php fork方式实现的daemon不能用它监控，否则supervisor> status 会提示：BACKOFF Exited too quickly (process log may have details)
see also
Supervisor安装与配置（Linux/Unix进程管理工具）
good Exited too quickly (process log may have details)-配置问题
Run Horizon by Supervisord in Laradock
非常重要】运行supervisorctl错误提示【FATAL或BACKOFF 】Exited too quickly (process log may have details)问题总结
