
#!/bin/sh
###############################################
#
# Nagios script to check Exim mail queue status
#
# Copyright 2007, 2008 Ian Yates
#
# NOTE: Depending on your config, the nagios user will probably be
# needed to be added to the exim group for this script to function correctly
#
###############################################
. /usr/lib64/nagios/plugins/utils.sh
EXIM=/usr/sbin/exim
FLAG_VERBOSE=FALSE
LEVEL_WARN=""
LEVEL_CRIT=""
RESULT=""
EXIT_STATUS=$STATE_OK
###############################################
#
## FUNCTIONS
#
## Print usage
usage() {
echo " check_eximailqueue $VERSION - Nagios Exim mail queue check script"
echo ""
echo " Usage: check_eximailqueue -w -c [ -v ] [ -h ]"
echo ""
echo " -w Queue size at which a warning is triggered"
echo " -c Queue size at which a critical is triggered"
echo " -v Verbose output (ignored for now)"
echo " -h Show this page"
echo ""
}                                                                                                                                                                                             
## Process command line options                                                                                                                                                               
doopts() {                                                                                                                                                                                    
if ( `test 0 -lt $#` )                                                                                                                                                                        
then                                                                                                                                                                                          
while getopts w:c:vh myarg "$@"                                                                                                                                                               
do                                                                                                                                                                                            
case $myarg in                                                                                                                                                                                
h|\?)                                                                                                                                                                                         
usage                                                                                                                                                                                         
exit;;
w)
LEVEL_WARN=$OPTARG;;
c)
LEVEL_CRIT=$OPTARG;;
v)
FLAG_VERBOSE=TRUE;;
*) # Default
usage
exit;;
esac
done
else
usage
exit
fi
}
# Write output and return result
theend() {
echo $RESULT
exit $EXIT_STATUS
}
#
## END FUNCTIONS
#
#############################################
#
## MAIN
#
# Handle command line options
doopts $@
# Do the do
OUTPUT=`/usr/bin/sudo $EXIM -bpc`
if test -z "$OUTPUT" ; then
RESULT="Mailqueue WARNING - query returned no output!"
EXIT_STATUS=$STATE_WARNING
else
if test "$OUTPUT" -lt "$LEVEL_WARN" ; then
RESULT="Mailqueue OK - $OUTPUT messages on queue"
EXIT_STATUS=$STATE_OK
else
if test "$OUTPUT" -ge "$LEVEL_CRIT" ; then
RESULT="Mailqueue CRITICAL - $OUTPUT messages on queue"
EXIT_STATUS=$STATE_CRITICAL
else
if test "$OUTPUT" -ge "$LEVEL_WARN" ; then
RESULT="Mailqueue WARNING - $OUTPUT messages on queue"
EXIT_STATUS=$STATE_WARNING
fi
fi
fi
fi
# Quit and return information and exit status
theend