init.d script for node.js

nodeapp.sh

#!/bin/bash
#
# nodejs - Startup script for node.js server
# /etc/init.d/app1
#
# chkconfig: 35 99 99
# description: Node.js node /apps/app1/server.js
 
rootdir="/var/www/apps/app1"
server="$rootdir/server.js"
logfile="/var/log/apps/app1.log"
 
user="www"
nodejs=${NODEJS-/usr/local/bin/node}

script="$(basename $0)"
lockfile="/var/lock/subsys/$script"
 
. /etc/rc.d/init.d/functions

ulimit -n 12000
RETVAL=0

su "$user" -c "touch $logfile"

do_start()
{
    if [ ! -f "$lockfile" ] ; then
        date +"%Y-%m-%d %T Starting $server" >> $logfile
        echo -n $"Starting $server: "
        #runuser -l "$user" -c "nohup $nodejs $server >> $logfile &" && echo_success || echo_failure
        runuser -l "$user" -c "NODE_ENV=production $nodejs $server 'production' >> $logfile &" && echo_success || echo_failure
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && touch "$lockfile"
    else
        echo "$server is locked."
        RETVAL=1
    fi
}
 
do_stop()
{
    date +"%Y-%m-%d %T Stopping $server" >> $logfile
    echo -n $"Stopping $server: "
    pid=`ps -aefw | grep "$nodejs $server" | grep -v " grep " | awk '{print $2}'`
    kill -9 $pid > /dev/null 2>&1 && echo_success || echo_failure
    RETVAL=$?
    echo
    [ $RETVAL -eq 0 ] && rm -f "$lockfile"

    if [ "$pid" = "" -a -f "$lockfile" ]; then
        rm -f "$lockfile"
        echo "Removed lockfile ( $lockfile )"
    fi
}
 
do_status()
{
   pid=`ps -aefw | grep "$nodejs $server" | grep -v " grep " | awk '{print $2}'`
   if [ "$pid" != "" ]; then
     echo "$nodejs $server (pid $pid) is running..."
   else
     echo "$nodejs $server is stopped"
   fi
}

case "$1" in
    start)
        do_start
        ;;
    stop)
        do_stop
        ;;
    status)
        do_status
        ;;
    restart)
        do_stop
        do_start
        RETVAL=$?
        ;;
    *)
        echo "Usage: $0 {start|stop|status|restart}"
        RETVAL=1
esac
 
exit $RETVAL