Node.js init.d script

app.init.d

#!/bin/bash
### BEGIN INIT INFO
# Provides:          [APP_NAME_HERE]
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Forever running [APP_NAME_HERE]
# Description:       Forever running [APP_NAME_HERE]
### END INIT INFO
#
# init.d script for a node app
# Based on a script posted by https://gist.github.com/jinze at https://gist.github.com/3748766
# And the generator at: https://github.com/yeoman/generator-node
# Modified to run forever as a non superuser
#

# Source function library.
. /lib/lsb/init-functions

user="USER_HERE"
appName="APP_NAME_HERE"

workingDir="/var/$appName"
pidFile="$workingDir/$appName.pid"
logFile="$workingDir/$appName.log"

nodePath="/opt/node/bin"

nodeApp="${nodePath}/$appName"
command="${nodePath}/node"
foreverApp="${nodePath}/forever"

export PATH=$PATH:$nodePath

start() {
	echo "Starting $nodeApp"
	su -l $user -c "PATH=$PATH:$nodePath NODE_ENV=production $foreverApp start --workingDir $workingDir --pidFile $pidFile --logFile $logFile -a -d $nodeApp"
}

restart() {
	echo "Restarting $nodeApp"
	su -l $user -c "PATH=$PATH:$nodePath $foreverApp restart $nodeApp"
	RETVAL=$?
}

stop() {
	echo "Shutting down $nodeApp"
	su -l $user -c "PATH=$PATH:$nodePath $foreverApp stop $nodeApp"
   	RETVAL=$?
}

status() {
   	echo "Status $nodeApp"
   	su -l $user -c "PATH=$PATH:$nodePath $foreverApp list"
   	RETVAL=$?
}

case "$1" in
   start)
        start
        ;;
    stop)
        stop
        ;;
   status)
        status
       ;;
   restart)
   	restart
        ;;
	*)
       echo "Usage:  {start|stop|status|restart}"
       exit 1
        ;;
esac
exit $RETVAL