1.supervisor是什么
supervisor是个轻易级并且功能强大的Unix Like 系统进程管理工具。 通过简单配置即可完成服务的启停、重启、异常拉起、日志管理、进程监控等操作。
官网：http://supervisord.org
2.安装配置
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python get-pip.py
pip install supervisor
全局配置文件
cat <<'EOF'>> /etc/supervisord.conf
[supervisord]
logfile = /var/log/supervisord.log
logfile_maxbytes = 500MB
logfile_backups = 10
loglevel = info
pidfile = /var/run/supervisord.pid
nodaemon = false
minfds = 1024
minprocs = 200
umask = 022
user = root
identifier = supervisor
directory = /data/supervisord.d
nocleanup = true
childlogdir = /var/log
strip_ansi = false
[supervisorctl]
serverurl = http://127.0.0.1:9001
username =
password =
prompt = supervisor
[inet_http_server]
port = 127.0.0.1:9001
username =
password =
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
[include]
files = /data/supervisord.d/*.conf
EOF
3.使用方法
服务配置文件示例
cat <<'EOF'>> /data/supervisord.d/conf.example
[program:prometheus-node-exporter] //服务名称
command = /data/prometheus/prometheus-node-exporter/node_exporter --web.listen-address="0.0.0.0:9100" //启动命令（前台运行）
directory = /data/prometheus/prometheus-node-exporter //服务目录
stdout_logfile = /data/prometheus/prometheus-node-exporter/stdout.log //标准输出日志
user = root //用户
stopwaitsecs = 10
stopasgroup = true
killasgroup = true
autostart = true
autorestart = true
redirect_stderr = true
EOF
启动守护进程
supervisord -c /etc/supervisor.conf
新增服务
[root@VM-4-13-centos ~]# supervisorctl update
prometheus-node-exporter: added process group
启动服务
[root@VM-4-13-centos posts]# supervisorctl start prometheus-node-exporter
prometheus-node-exporter: started
停止服务
[root@VM-4-13-centos posts]# supervisorctl stop prometheus-node-exporter
prometheus-node-exporter: stopped
重启服务
[root@VM-4-13-centos posts]# supervisorctl restart prometheus-node-exporter
prometheus-node-exporter: stopped
prometheus-node-exporter: started
查看服务
[root@VM-4-13-centos ~]# supervisorctl status prometheus-node-exporter
prometheus-node-exporter RUNNING pid 1040, uptime 217 days, 12:25:48