进程管理工具 Supervisor详解编程语言

yum install supervisor

apt-get install supervisor

pip install supervisor

$ supervisord --version 
3.2.0

; supervisor config file 
 
[unix_http_server] 
file=/var/run/supervisor.sock   ; (the path to the socket file) 
chmod=0700                       ; sockef file mode (default 0700) 
 
[supervisord] 
logfile=/var/log/supervisor/supervisord.log ; (main log file;default $CWD/supervisord.log) 
pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid) 
childlogdir=/var/log/supervisor            ; ('AUTO' child log dir, default $TEMP) 
 
; the below section must remain in the config file for RPC 
; (supervisorctl/web interface) to work, additional interfaces may be 
; added by defining them in separate rpcinterface: sections 
[rpcinterface:supervisor] 
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface 
 
[supervisorctl] 
serverurl=unix:///var/run/supervisor.sock ; use a unix:// URL  for a unix socket 
 
; The [include] section can just contain the "files" setting.  This 
; setting can list multiple files (separated by whitespace or 
; newlines).  It can also contain wildcards.  The filenames are 
; interpreted as relative to this file.  Included files *cannot* 
; include files themselves. 
 
[include] 
files = /etc/supervisor/conf.d/*.conf

import time 
def test(): 
    while True: 
        print "test" 
        time.sleep(10) 
test()

[program:suTest] 
command= python suTest.py 
directory=/home/baby 
user=root 
autostart=true 
autorestart=true

$ sudo supervisorctl reload 
Restarted supervisord

$ sudo supervisorctl status 
suTest                           RUNNING   pid 3879, uptime 0:00:23

$ sudo supervisorctl stop suTest 
suTest: stopped 
$ sudo supervisorctl status 
suTest                           STOPPED   Dec 18 04:59 PM

$ sudo supervisorctl start suTest 
suTest: started 
$ sudo supervisorctl status 
suTest                           RUNNING   pid 3889, uptime 0:00:06

$ sudo supervisorctl restart suTest 
suTest: stopped 
suTest: started 
$ sudo supervisorctl status 
suTest                           RUNNING   pid 3894, uptime 0:00:03

$ sudo kill -9 3894 
$ sudo supervisorctl status 
suTest                           RUNNING   pid 3899, uptime 0:00:02

$ sudo chmod 777 /var/run 
$ sudo chmod 777 /etc/supervisor

[inet_http_server] 
port=172.2.0.228:9001 
username=user 
password=123456

sudo supervisorctl reload

sudo supervisorctl update

$ ps -fe | grep supervisord 
root      4109     1  0 17:19 ?        00:00:00 /usr/bin/python /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf 
baby      4139  2079  0 17:31 pts/0    00:00:00 grep --color=auto supervisord