hubot init script for RHEL / CENTOS

gistfile1.sh

#!/bin/bash
# hubot
# chkconfig: 345 20 80
# description: hubot
# processname: hubot

# REFERENCE: http://werxltd.com/wp/2012/01/05/simple-init-d-script-template/

# This script assumes you have a user called "hubot" on your system and that hubot is installed in /opt/hubot

# Save Environement Variables in /opt/hubot/hubot.env
# e.g 
#   export HUBOT_GTALK_USERNAME='hubot@example.com'
#   export HUBOT_GTALK_PASSWORD='abc123''
#   export HUBOT_GTALK_WHITELIST_DOMAINS='example.com'
source /opt/hubot/hubot.env

DAEMON="/opt/hubot/bin/hubot"
DAEMONOPTS="--name hubot --adapter gtalk"

NAME=hubot
USER=hubot
DESC="hubot"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

case "$1" in
start)
	printf "%-50s" "Starting $DESC..."
	PID=`runuser -c "$DAEMON $DAEMONOPTS" - $USER  >> /var/log/hubot 2>&1 & echo $!`
	#echo "Saving PID" $PID " to " $PIDFILE
        if [ -z $PID ]; then
            printf "%s\n" "Fail"
        else
            echo $PID > $PIDFILE
            printf "%s\n" "Ok"
        fi
;;
status)
        printf "%-50s" "Checking $DESC..."
        if [ -f $PIDFILE ]; then
            PID=`cat $PIDFILE`
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "Process dead but pidfile exists"
            else
                echo "Running"
            fi
        else
            printf "%s\n" "Service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $DESC"
            PID=`cat $PIDFILE`
        if [ -f $PIDFILE ]; then
            kill $PID
            printf "%s\n" "Ok"
            rm -f $PIDFILE
        else
            printf "%s\n" "pidfile not found"
        fi
;;

restart)
  	$0 stop
  	$0 start
;;

*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac