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monitoring-plugins-nis/check_nis_1.2

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#!/bin/sh
###############################################
#
# Nagios script to check NIS status on a host
#
# Copyright 2007, 2008 Ian Yates
#
# See usage for command line switches
#
# Created: 2006-07-04 (i.yates@uea.ac.uk)
# Updated: 2007-07-30 (i.yates@uea.ac.uk) - Added user lookup and error checking
# 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/local/nagios/libexec/utils.sh
VERSION="1.2"
AWK=/bin/awk
SED=/bin/sed
GREP=/bin/grep
YPPOLL=/usr/sbin/yppoll
YPCAT=/usr/bin/ypcat
FLAG_VERBOSE=FALSE
NIS_HOST=""
NIS_DOMAIN=""
NIS_USER_TEST=""
RESULT=""
EXIT_STATUS=$STATE_OK
###############################################
#
## FUNCTIONS
#
## Print usage
usage() {
echo " check_nis $VERSION - Nagios NIS check script"
echo ""
echo " Usage: check_nis -H <hostname> -d <nis domain> [ -u <username> ] [ -v ] [ -h ]"
echo ""
echo " -H Name of host running the NIS service you wish to check"
echo " -d NIS domain"
echo " -u Username to query NIS with"
echo " -v Verbose output"
echo " -h Show this page"
echo ""
}
## Process command line options
doopts() {
if ( `test 0 -lt $#` )
then
while getopts H:d:u:vh myarg "$@"
do
case $myarg in
h|\?)
usage
exit;;
H)
NIS_HOST=$OPTARG;;
d)
NIS_DOMAIN=$OPTARG;;
u)
NIS_USER_TEST=$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 $@
# Do the do
OUTPUT=`$YPPOLL -h $NIS_HOST -d $NIS_DOMAIN passwd.byname 2> /dev/null | $GREP 'is supported'`
if test "$OUTPUT" != "" ; then
if test -n "$NIS_USER_TEST" ; then
## If we're checking user lookup
OUTPUT=`$YPCAT -h $NIS_HOST -d $NIS_DOMAIN passwd | grep $NIS_USER_TEST`
if test -n "$OUTPUT" ; then
OUTPUT=`echo "$OUTPUT" | grep "RPC"`
if test "$OUTPUT" != "" ; then
RESULT="NIS CRITICAL - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup failed"
EXIT_STATUS=$STATE_CRITICAL
else
RESULT="NIS OK - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup succeeded"
EXIT_STATUS=$STATE_OK
fi
else
RESULT="NIS CRITICAL - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup failed"
EXIT_STATUS=$STATE_CRITICAL
fi
else
RESULT="NIS OK - domain $NIS_DOMAIN"
EXIT_STATUS=$STATE_OK
fi
else
RESULT="NIS CRITICAL - domain $NIS_DOMAIN not answering"
EXIT_STATUS=$STATE_CRITICAL
fi
# Quit and return information and exit status
theend