#!/usr/bin/ksh
#
#
# File:         Monitor.ksh 
#
# Description:  Monitor jobs.
#
# Usage Info:   Supplies a container to store functions
#               that could run every pollingInterval 
#
# $Header$
#
# $Revision$
#
# Audit Trail $Log$
# 04/16/2002 Jeff Martin      Initial creation.
# 04/16/2002 Jeff Martin      Added FS threshold checking.
#
#########################################################

pollingInterval=60        #seconds between monitor samples
FSThreshold=85            #enableFSCritical if FS full 
enableFSCritical=0        #send an alarm if 1 

#monitor this FS
MONITORFS=/home

#send alarms to these reciepients
MAIL_LIST=" "

#paths
REPORTPATH=/home/srjobs/Rpts
LOG_FILE=$REPORTPATH/Log/`basename $0`_`date "+%Y%m%d"`

################# functions ################################

checkFSThreshold ()
{
   #get detail line from bdf (ignore header)
   let LINE=1
   bdf $MONITORFS | while read -r FS KBYTES USED AVAIL PERCENT MOUNTED
   do
     if [[ $LINE = 2 ]] ; then

         #only alarm when FSThreshold initially breached
         if [[ $PERCENT > $FSThreshold ]] ; then
              if [[ $enableFSCritical = 0 ]] ; then
                   #disable FSThreshold alarms
                   enableFSCritical=1

                   #send a FS full alarm
                   echo "$MONITORFS at $PERCENT\non `hostname` at `date`"
                   echo "$MONITORFS at $PERCENT\non `hostname` at `date`" | \
                   elm -s "$MONITORFS at $PERCENT" $MAIL_LIST

              fi
         else
               #enable FSThreshold alarms
               enableFSCritical=0
         fi

     fi #LINE = 2
     let LINE=LINE+1

   done #read bdf
}

################# main ##########################################

#check to see if the script is already running
BASENAME=`basename $0`
ISRUNNING=`ps -ef|grep $BASENAME|grep -v vi|grep -v grep|wc -l`
if [ "$ISRUNNING" -ge 2 ]
then
    echo "\n$BASENAME already running.\n"
    exit 0
fi

#call monitor functions every pollingInterval seconds 
let FOREVER=1
while [[ $FOREVER > 0 ]] ; do

   #check FS 
   checkFSThreshold

sleep $pollingInterval
done #FOREVER


########################################################
exit 0
########################################################