Tomcat init.d file used for puppet scripts

tomcat7.sh

#!/bin/bash
#
# Description: Apache Tomcat init script
# processname: tomcat  
# chkconfig: 234 20 80  
#
# Thanks to Miglen Evlogiev, https://gist.github.com/miglen/5590986#file-apache-tomcat-8-start-stop-script-init-d-script
# Copyright (C) 2014 Miglen Evlogiev
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Initially forked from: gist.github.com/valotas/1000094
# Source: gist.github.com/miglen/5590986

 
#Location of JAVA_HOME (bin files)
export JAVA_HOME=/usr/java/latest
 
#Add Java binary files to PATH
export PATH=$JAVA_HOME/bin:$PATH
 
#CATALINA_HOME is the location of the bin files of Tomcat  
export CATALINA_HOME=/opt/tomcat/tomcat7
 
#CATALINA_BASE is the location of the configuration files of this instance of Tomcat
export CATALINA_BASE=/opt/tomcat/tomcat7

export CATALINA_OPTS="-server -Xms1024m -Xmx1024m -XX:MaxPermSize=256m"
 
#TOMCAT_USER is the default user of tomcat
export TOMCAT_USER=tomcat
 
#TOMCAT_USAGE is the message if this script is called without any options
TOMCAT_USAGE="Usage: $0 {\e[00;32mstart\e[00m|\e[00;31mstop\e[00m|\e[00;31mkill\e[00m|\e[00;32mstatus\e[00m|\e[00;31mrestart\e[00m}"
 
#SHUTDOWN_WAIT is wait time in seconds for java proccess to stop
SHUTDOWN_WAIT=7
 
tomcat_pid() {
        echo `ps -fe | grep $CATALINA_BASE | grep -v grep | awk '{print $2}'`
}
 
start() {
  pid=$(tomcat_pid)
  if [ -n "$pid" ]
  then
    echo -e "\e[00;31mTomcat is already running (pid: $pid)\e[00m"
  else
    # Start tomcat
    echo -e "\e[00;32mStarting tomcat\e[00m"
    #ulimit -n 100000
    #umask 007
    #/bin/su -p -s /bin/sh $TOMCAT_USER
    user_exists $TOMCAT_USER
        if [ `user_exists $TOMCAT_USER` = "1" ]
        then
                runuser -s /bin/bash ${TOMCAT_USER} -c $CATALINA_HOME/bin/startup.sh
        else
                echo -e "\e[00;31mTomcat user $TOMCAT_USER does not exists. Starting with $(id)\e[00m"
        fi
        status
  fi
  return 0
}
 
status(){
          pid=$(tomcat_pid)
          if [ -n "$pid" ]
            then 
		echo -e "\e[00;32mTomcat is running with pid: $pid\e[00m"
	    	return 0
            else
            	echo -e "\e[00;31mTomcat is not running\e[00m"
            	return 3
          fi
	  return 3
}

terminate() {
	echo -e "\e[00;31mTerminating Tomcat\e[00m"
	sudo kill -9 $(tomcat_pid) && sleep 5s
}

stop() {
  runuser -s /bin/bash ${TOMCAT_USER} -c $CATALINA_HOME/bin/shutdown.sh
  sleep 40s 
  pid=$(tomcat_pid)
  if [ -n "$pid" ]
  then
    kill -9 $pid
  fi
 
  return 0
}
 
user_exists(){
        if id -u $1 >/dev/null 2>&1; then
          echo "1"
        else
          echo "0"
        fi
}
 
case $1 in
	start)
	  start
	;;
	stop)  
	  stop
	;;
	restart)
	  stop
	  start
	;;
	status)
		status
		exit $?  
	;;
	kill)
		terminate
	;;		
	*)
		echo -e $TOMCAT_USAGE
	;;
esac    
exit 0