Custom startup script to the next supervisord management

ubuntu14.04 system can be installed directly by the apt-get

apt-get install supervisord

Official website: http: //www.supervisord.org/

The main configuration file

This configuration was /etc/supervisor/supervisord.conf
configured as follows:

root@xxx:/etc/supervisor/conf.d# grep -vE "(^;|^$)" /etc/supervisor/supervisord.conf
[unix_http_server]
file=/var/log/supervisord/supervisor.sock   ; (the path to the socket file)
[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/log/supervisord/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)
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
[supervisorctl]
serverurl=unix:///var/log/supervisord/supervisor.sock ; use a unix:// URL  for a unix socket
[include]
files = /etc/supervisor/conf.d/*.conf

Application configuration file

In this configuration/etc/supervisor/conf.d

root@xxx:/etc/supervisor/conf.d# cat C9019_app.conf
[program:C9019_app]  # 这段要注意，改成你自己的
command=/opt/C9019/webapps/start.sh start   # 启动脚本，有什么参数都给添加上，这个脚本是自己写的
directory=/opt/C9019/webapps   # 在哪个目录下启动程序
autostart=true
exitcodes=0
autorestart=true
startretries=3
exitcodes=0,2
#stopsignal=TERM
#stopasgroup=true
stopwaitsecs=2
user=root
export JAVA_HOME=/opt/jdk1.8.0_121
export JRE_HOME=/opt/jdk1.8.0_121/jre
export PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin:$PATH
stdout_logfile=/var/log/supervisord/C9019_app_stdout.log
stderr_logfile=/var/log/supervisord/C9019_app_stderr.log

Other parameters refer to the examiner cafe

start up

supervisord -c /etc/supervisor/supervisord.conf

Customize how the startup script to the managed supervisord

First we look at the custom script contents:

#!/bin/bash
'''省略N行
function start(){
        c="`ps -ef |grep config.type| grep -c ${MAIN_CLASS}`"

        if [ $c -le 1 ]; then
                echo "starting ${COMPONENT_NAME}..."
                java xxx（省略N多内容） >$LOGDIR/error.log  2>&1 >$LOGDIR/error.log  &  # 注意看这个&号
                echo $! > $LOGDIR/pid.log
                echo "started ${COMPONENT_NAME} pid:$!"
        else
                echo "already started ${COMPONENT_NAME} pid:`cat $LOGDIR/pid.log`"
        fi
}
function stop(){
        echo "stoping ${COMPONENT_NAME}..."
        for pid in $(ps aux|grep java|grep config.type| grep ${MAIN_CLASS}|awk '{print $2}')
        do
                echo "kill -9 ${pid}"
                kill -9 ${pid}
        done
        echo "stopped ${COMPONENT_NAME}"
}
function restart(){
        stop
        sleep 10
        start
}

case    "${COMMAND}"    in
start)
        start
;;
stop)
        stop
;;
restart)
        restart
;;
*)
        echo "require:start|stop|restart"
esac
exit 0

I had a custom script when you start the program with the & let the program running in the background, thus leading to supervisord not control the program, so it is necessary to & to delete.
In line with the time & have started, resulting in the following error, the solution is java xxx（省略N多内容） >$LOGDIR/error.log 2>&1 >$LOGDIR/error.log &the last one & deleted, so keep the foreground, supervisor able to control this procedure.

root@xxx:/etc/supervisor/conf.d# supervisorctl
C9019_app                        FATAL      Exited too quickly (process log may have details)
supervisor> restart C9019_app
C9019_app: ERROR (not running)
C9019_app: ERROR (abnormal termination

After removing the & perfect control procedures

root@xxx:/opt/C9019/webapps# supervisorctl
C9019_app                        RUNNING    pid 14464, uptime 0:25:53
supervisor> status
C9019_app                        RUNNING    pid 14464, uptime 0:25:54
supervisor> restart C9019_app
C9019_app: stopped
C9019_app: started

summary of the issue

Can not manage the program

Program into the background lead supervisor unmanageable, and this time you can put in the foreground.