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Filename :
check_eximq.sh
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#!/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 # # See usage for command line switches # # You need to add the following to /etc/sudoers: # nagios ALL=NOPASSWD:/usr/local/exim/bin/exim # # Created: 2006-07-31 (i.yates@uea.ac.uk) # Updated: 2007-04-30 (i.yates@uea.ac.uk) - Linux/sudo tweaks # Updated: 2008-03-26 (i.yates@uea.ac.uk) - Fixed bug in critical/warning level checking which could result in erroneous results. # Updated: 2008-11-27 (i.yates@uea.ac.uk) - Added GPLv3 licence # # 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/>. # ############################################### . /usr/lib64/nagios/plugins/utils.sh VERSION="1.3" EXIM=/usr/sbin/exim SUDO=/usr/bin/sudo FLAG_VERBOSE=FALSE LEVEL_WARN="" LEVEL_CRIT="" RESULT="" EXIT_STATUS=$STATE_OK ############################################### # ## FUNCTIONS # ## Print usage usage() { echo " check_eximq $VERSION - Nagios Exim mail queue check script" echo "" echo " Usage: check_eximq -w <warning queue size> -c <critical queue size> [ -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 $@ # Do the do OUTPUT=`$SUDO $EXIM -bpc` if test -z "$OUTPUT" ; then RESULT="WARNING - query returned no output!" EXIT_STATUS=$STATE_WARNING else if test "$OUTPUT" -lt "$LEVEL_WARN" ; then RESULT="OK - $OUTPUT messages in the queue" EXIT_STATUS=$STATE_OK else if test "$OUTPUT" -ge "$LEVEL_CRIT" ; then RESULT="CRITICAL - $OUTPUT messages in the queue" EXIT_STATUS=$STATE_CRITICAL else if test "$OUTPUT" -ge "$LEVEL_WARN" ; then RESULT="WARNING - $OUTPUT messages in the queue" EXIT_STATUS=$STATE_WARNING fi fi fi fi # Quit and return information and exit status theend