#!/bin/bash
#    A Heartbeat lsb-RA to produce a .html output of crm_mon.
#    Copyright (C) 2008  Johan Granath (johan@artcraft.se)
#    
#    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/>.


declare PIDFILE="/tmp/crm_mon.pid"
declare STATUSFILE="/path/to/wwwdata/status.html"
declare TMPFIL="/tmp/crm_mon.temp$$"

declare CRMMON="/usr/sbin/crm_mon"
declare OPTIONS="-p ${PIDFILE} -d --as-html ${STATUSFILE}"

case $1 in

	start)

	 if [ -e ${PIDFILE} ] ; then

	   PID=`cat ${PIDFILE} | sed 's/ //g'`
	   echo "Already running (PID ${PID})...exit"
	   exit 0
	 
	 else
	 

	   `${CRMMON} -s > ${TMPFIL}`
	   CRITICAL=`cat ${TMPFIL} | grep "Critical:" | wc -l`
	   rm -f ${TMPFIL}
	  
	   if [ ${CRITICAL} == "1" ] ; then
	  
 	     echo "Critical error...exit"
 	     exit 0
 	  
 	   else
 
 	     echo -n "Starting..."
 	     `${CRMMON} ${OPTIONS}`
	     echo "done"
	     exit 0
	  
	   fi
	  
	  
	 fi
 
	;;

	stop) 

	  if [ -e ${PIDFILE} ] ; then
	  
	    echo -n "Closing..."

	    PID=`cat ${PIDFILE} | sed 's/ //g'`
	    kill -9 ${PID}
	    rm -f ${PIDFILE}
	    echo "done"
	    exit 0
	    
	  else
	  
	    echo "Not running...exit"
	    exit 0

	  fi
	  	
	;;

	status) 

	  if [ -e ${PIDFILE} ] ; then

	    PID=`cat ${PIDFILE} | sed 's/ //g'`	  
	    echo "Running...(PID ${PID})"
	    exit 0
	  
	  else
	  
	    echo "Not running..."
	    exit 0
	    
	  fi

	;;

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