Tomcat 7 init.d script

tomcat7.sh

#!/bin/bash
#
# /etc/init.d/tomcat7 -- Startup/shutdown script for Tomcat 7
#
# Written by Mustafa Ashurex <mustafa@ashurexconsulting.com>.
#
#
### BEGIN INIT INFO
# Provides: tomcat7
# Required-Start: $Local_fs $remote_fs $network $sysLog
# Required-Stop: $Local_fs $remote_fs $network $sysLog
# Should-Start: $named
# Should-Stop $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Description: Start and stop the Tomcat servlet application
# Short-Description: Start and stop Tomcat
### END INIT INFO

## Source function Library
#. /etc/rc.d/init.d/functions

SHUTDOWN_WAIT=5
RUNAS=tomcat
CATALINA_PID=/var/run/tomcat.pid


export CATALINA_PID

if [[ -z "$JAVA_HOME" ]]; then
    echo JAVA_HOME must be set!
    exit 5
fi

if [[ -z "$TOMCAT_HOME" ]]
then
    echo TOMCAT_HOME must be set!
    exit 5
fi

tomcat_pid() {
    # This gets the pid from ps
    # echo `ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | awk '{ print $2  }'`
	
    # This gets the pid from a pid file
    echo `cat $CATALINA_PID 2>/dev/null`
}

tomcat_start() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]; then
        echo "Tomcat is already running (pid: $pid)."
    else
        echo "Starting Tomcat..."
	touch $CATALINA_PID
	chown $RUNAS $CATALINA_PID
        ulimit -n 100000
        umask 007
        /bin/su -p -s /bin/sh $RUNAS $TOMCAT_HOME/bin/startup.sh
    fi
    return 0
}

tomcat_stop() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
        echo "Stopping Tomcat."
        /bin/su -p -s /bin/sh $RUNAS $TOMCAT_HOME/bin/shutdown.sh
        
        let kwait=$SHUTDOWN_WAIT
        count=0;
        until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]
        do
            echo -n -e "\nWaiting for Tomcat to exit...";
            sleep 1
            let count=$count+1;
        done

        if [ $count -gt $kwait ]; then
            echo -n -e "\nKilling processes which didn't stop after $SHUTDOWN_WAIT seconds.\n"
            kill -9 $pid
        fi
	rm $CATALINA_PID
    else
        echo "Tomcat is not running."
    fi
    return 0
}

tomcat_status() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
 	echo "Tomcat is running with pid: $pid."
    else
	echo "Tomcat is not running."
    fi
    return 0
}

case $1 in
start)
    tomcat_start
    ;;
stop)
    tomcat_stop
    ;;
restart)
    tomcat_stop
    tomcat_start
    ;;
status)
    tomcat_status
    ;;
esac
exit 0