Linux进程监控服务Supervisor快速入门

官网地址： http://www.supervisord.org/

准备

1、系统中需安装Python环境，我本机python为2.6.6
2、下载安装supervisor所需软件

elementtree
meld3
setuptools
supervisor

安装

以上四个都为python相关插件，分别解压后，进入各自所在目录中，使用python setup.py install命令安装，其安装顺序依次为：

elementtree、meld3、setuptools、supervisor

⚠️在安装setuptools时需要先执行python bootstrap.py，然后执行python setup.py install命令安装

添加配置文件

配置文件 /etc/supervisord.conf 配置内容如下：

[unix_http_server]
file = /var/run/supervisor.sock
chmod = 0777
chown= root:root

[inet_http_server]
# Web管理界面设定
port=node03:9001
;username = admin
;password = yourpassword

[supervisorctl]
; 必须和'unix_http_server'里面的设定匹配
serverurl = unix:///var/run/supervisor.sock

[supervisord]
logfile=/var/log/supervisord/supervisord.log ; (main log file;default $CWD/supervisord.log)
logfile_maxbytes=50MB       ; (max main logfile bytes b4 rotation;default 50MB)
logfile_backups=10          ; (num of main logfile rotation backups;default 10)
loglevel=info               ; (log level;default info; others: debug,warn,trace)
pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
nodaemon=false              ; (start in foreground if true;default false)
minfds=1024                 ; (min. avail startup file descriptors;default 1024)
minprocs=200                ; (min. avail process descriptors;default 200)
user=root                   ; (default is current user, required if root)
childlogdir=/var/log/supervisord/            ; ('AUTO' child log dir, default $TEMP)

[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

;管理的单个进程的配置，可以添加多个program
[program:cat]
command=/bin/cat
autostart = true
startsecs = 5
user = root
redirect_stderr = true
; 对这个program的log的配置，上面的logfile_maxbytes是supervisord本身的log配置
stdout_logfile_maxbytes = 20MB
stdoiut_logfile_backups = 20
stdout_logfile = /var/log/supervisord/cat.log

启动服务

方式一：

# supervisord

方式二：

# supervisord -c /path/to/supervisord.conf

方式一启动时会自己寻找/etc/supervisord.conf文件；方式二通过-c参数指定配置文件所在路径
启动后可以通过Web界面查看服务运行情况，服务地址为：node1:9001

管理服务

使用supervisorctl命令进行服务管理操作：

[root@node1 zxm]# supervisorctl
chatdemon                        RUNNING   pid 47457, uptime 0:07:38
test                             RUNNING   pid 47456, uptime 0:07:38
supervisor> help

default commands (type help <topic>):
=====================================
add    exit      open  reload  restart   start   tail
avail  fg        pid   remove  shutdown  status  update
clear  maintail  quit  reread  signal    stop    version

supervisor> status
cat                              RUNNING   pid 47555, uptime 0:00:08
chatdemon                        RUNNING   pid 47554, uptime 0:00:08
test                             RUNNING   pid 47553, uptime 0:00:08

[include]标签

可以使用[include]标签来指定应用程序配置文件，例如：

[zxm@node1 supervise-programs]# cat /etc/supervisord.conf
... ...
[include]
files= /home/zxm/works/supervise-programs/cat.conf

/home/zxm/works/supervise-programs/cat.conf内容如下：

Linux进程监控服务Supervisor快速入门