#!/bin/sh
## 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 check_bacula.pl. If not, see .
# ===============
# check_postqueue - plugin to chech the length of postfix queue
# ===============
# * written by Silver Salonen, Estonia
# version 1.0.2 (16.Apr.2010)
# * bugfix: "NOT_" was still used - the change was done only in usage
# version 1.0.1 (28.Apr.2008)
# * replace ! with "NOT_" in as a negating command
# version 1.0 (21.Apr.2008)
# plugin return codes:
# 0 OK
# 1 Warning
# 2 Critical
# 3 Unknown
while getopts "hvw:c:f:" opt
do
case $opt in
h)
showhelp=1
break
;;
w)
warning="$OPTARG"
;;
c)
critical="$OPTARG"
;;
f)
from="$OPTARG"
;;
v)
verbose=1
;;
esac
done
postqueue="`which postqueue 2>/dev/null`"
if [ ! "$postqueue" ]; then
echo "Could not find postqueue!"
exit 3
fi
printUsage() {
echo "Usage: $0 [-h] [-v] -w -c [ -f <[!]from-address>]"
echo ""
echo "Example: $0 -w 50 -c 100 -f '!MAILER-DAEMON'"
}
printHelp() {
printUsage
echo ""
echo "This plugin checks the number of messages in Postfix queue."
echo "You may specify to include messages only from the specific address or negate the result with '!', ie. '!'."
echo ""
echo "For more details, see inside the script ;)"
echo ""
exit 3
}
getQueue () {
queue="`$postqueue -p | grep "^[A-Z0-9]" | grep -v "Mail queue is empty"`"
if [ "$from" ]; then
# $from begins with '!', so negate
if ( echo "$from" | grep '^!' > /dev/null ); then
from="-v `echo "$from" | sed 's/^!//'`"
fi
queue=`echo "$queue" | grep -i $from`
fi
if [ ! "$queue" ]; then
echo 0
else
echo "$queue" | wc -l | sed "s/^ *//"
fi
}
if [ "$showhelp" = "1" ]; then
printHelp
exit 3
fi
if [ ! "$warning" ] || [ ! "$critical" ]; then
printUsage
exit 3
fi
if [ $warning -ge $critical ]; then
echo " has to be smaller than !"
exit 3
fi
queue=`getQueue`
echo "Number of queued messages: $queue"
if [ "$queue" -ge "$critical" ]; then
exit 2
elif [ "$queue" -ge "$warning" ]; then
exit 1
else
exit 0
fi