check domain expired. nagios plugins.

check_domain

#/usr/lib/nagios/plugins/check_domain
#nagios plugins
#original: 
#http://exchange.nagios.org/directory/Plugins/Internet-Domains-and-WHOIS/check_domain/details
#
#this plugins can check
# example.co.jp (level 3 domain)
# example.jp    (level 2 domain)
#
#usage: 
# check_domain -d example.co.jp
#
####################################################
# script to check domain name experation time.
# it works only on UNIX system
# you need to install whois on system
# yum install whois - for centos OS
#
#
#
####################################################
#
#!/bin/sh
PROGRAM=${0##*/}
PROGPATH=${0%/*}
. $PROGPATH/utils.sh
####################################################
#			default days						####
if [ -z $4 ];
then
	warning=30
else warning=$4
fi

if [ -z $6 ];
then
	critical=7
else critical=$6
fi
#
####################################################
#			arguments from utils.sh				####
domain=$2

####################################################
#			Checking if you have whois			####
WHOIS=/usr/bin/whois
if [ ! -e $WHOIS ];
then
	echo "Please yum install whois"
	exit
fi

####################################################
#		Checking if script can be executed		####
if [ -z $? ] || [ -z $1 ] || [ -z $domain ];
then
	echo "Usage: $PROGRAM -d <domain> [-w <warning> ][-c <critical>]"
	exit
fi

####################################################
#	checking .name	and defining whois server	####
#DLTYPE=`echo $domain | cut -d '.' -f2`

LEVEL=`echo $domain | tr '.' '\n' | wc -l`
DLTYPE=`echo $domain | cut -d '.' -f${LEVEL}`


if [ ${DLTYPE} == 'com' ] || [ ${DLTYPE} == 'edu' ] || [ ${DLTYPE} == 'net' ];
then
	TYPE=internic
	WHOIS_SERVER="whois.internic.org"
elif [ ${DLTYPE} == 'org' ];
then
	TYPE=pir
	WHOIS_SERVER="whois.pir.org"
elif [ ${DLTYPE} == 'in' ];
then
	TYPE=in
	WHOIS_SERVER="whois.registry.in"
elif [ ${DLTYPE} == 'co' ];
then
	TYPE=nic
	WHOIS_SERVER="whois.nic.uk"
elif [ ${DLTYPE} == 'biz' ];
then
	TYPE=neulevel
	WHOIS_SERVER="whois.neulevel.biz"
elif [ ${DLTYPE} == 'info' ];
then
	TYPE=afilias
	WHOIS_SERVER="whois.afilias.info"
elif [ ${DLTYPE} == 'ru' ];
then
	TYPE=russia
	WHOIS_SERVER="whois.nic.ru"
elif [ ${DLTYPE} == 'dk' ];
then
	TYPE=dk-hostmaster
	WHOIS_SERVER="whois.dk-hostmaster.dk"
elif [ ${DLTYPE} == 'jp' ];
then
        TYPE=jprs
        WHOIS_SERVER="whois.jprs.jp"
else
	echo "We do not support this domain (not integrated). Sorry."
	exit $STATE_UNKNOWN
fi

####################################################
#			do whois							####

FILE=/tmp/domain_$2.txt
out=`$WHOIS -h $WHOIS_SERVER $domain > $FILE`

####################################################
#			expiration formats					####

# for domains .com, .edu, .net #
if [ $TYPE == 'internic' ];
then
expiration=`cat ${FILE} | awk '/Expiration Date:/' | cut -d ':' -f2`
# for .org domains
elif [ $TYPE == 'pir' ];
then
expiration=`cat ${FILE} | awk '/Expiration Date:/' | cut -d ':' -f2 | cut -d ' ' -f1`
# for .in domains
elif [ $TYPE == 'in' ];
then
expiration=`cat ${FILE} | awk '/Expiration Date:/' | cut -d ':' -f2 | cut -d ' ' -f1`
# for co.uk domains
elif [ $TYPE == 'nic' ];
then
expiration=`cat ${FILE} | awk '/Renewal date:/' | cut -d ':' -f2`
# for .biz domains
elif [ $TYPE == 'neulevel' ];
then
month=`cat ${FILE} | awk '/Domain Expiration Date:/' | cut -d ' ' -f26`
day=`cat ${FILE} | awk '/Domain Expiration Date:/' | cut -d ' ' -f27`
year=`cat ${FILE} | awk '/Domain Expiration Date:/' | cut -d ' ' -f30`
expiration=$day-$month-$year
# for .info domains
elif [ $TYPE == 'afilias' ];
then
expiration=`cat ${FILE} | awk '/Expiration Date:/' | cut -d ':' -f2 | cut -d ' ' -f1`
#for .jp domains
elif [ $TYPE == 'jprs' ];
then

if [ $LEVEL == 2 ];
then
day=`cat ${FILE} | awk '/\[Expires on\]/' | cut -d '/' -f3`
month=`cat ${FILE} | awk '/\[Expires on\]/' | cut -d '/' -f2`
getmonth()
{
       case $month in
             01) echo jan ;;
             02) echo feb ;;
             03) echo mar ;;
             04) echo apr ;;
             05) echo may ;;
             06) echo jun ;;
             07) echo jul ;;
             08) echo aug ;;
             09) echo sep ;;
             10) echo oct ;;
             11) echo nov ;;
             12) echo dec ;;
               *) echo  0 ;;
       esac
}
year=`cat ${FILE} | awk '/\[Expires on\]/' | cut -d '/' -f1 | cut -d ' ' -f22`
expiration=$day-$(getmonth ${2})-$year
elif [ $LEVEL == 3 ];
then
day=`cat ${FILE} | awk '/\[State\]/' | cut -d ')' -f1 | cut -d '(' -f2 | cut -d '/' -f3` 
month=`cat ${FILE} | awk '/\[State\]/' | cut -d ')' -f1 | cut -d '(' -f2 | cut -d '/' -f2`
getmonth()
{
       case $month in
             01) echo jan ;;
             02) echo feb ;;
             03) echo mar ;;
             04) echo apr ;;
             05) echo may ;;
             06) echo jun ;;
             07) echo jul ;;
             08) echo aug ;;
             09) echo sep ;;
             10) echo oct ;;
             11) echo nov ;;
             12) echo dec ;;
               *) echo  0 ;;
       esac
}
year=`cat ${FILE} | awk '/\[State\]/' | cut -d ')' -f1 | cut -d '(' -f2 | cut -d '/' -f1` 
expiration=$day-$(getmonth ${2})-$year
fi

#for .ru domains
elif [ $TYPE == 'russia' ];
then
day=`cat ${FILE} | awk '/paid-till:/' | cut -d ':' -f2 | cut -d '.' -f3`
month=`cat ${FILE} | awk '/paid-till:/' | cut -d ':' -f2 | cut -d '.' -f2`
getmonth() 
{
       case $month in
             01) echo jan ;;
             02) echo feb ;;
             03) echo mar ;;
             04) echo apr ;;
             05) echo may ;;
             06) echo jun ;;
             07) echo jul ;;
             08) echo aug ;;
             09) echo sep ;;
             10) echo oct ;;
             11) echo nov ;;
             12) echo dec ;;
               *) echo  0 ;;
       esac
}
year=`cat ${FILE} | awk '/paid-till:/' | cut -d ':' -f2 | cut -d ' ' -f5 | cut -d '.' -f1`
expiration=$day-$(getmonth ${2})-$year
elif [ $TYPE == 'dk-hostmaster' ];
then
day=`cat ${FILE} | awk '/Expires:/' | cut -d '-' -f3`
month=`cat ${FILE} | awk '/Expires:/' | cut -d '-' -f2`
getmonth() 
{
       case $month in
             01) echo jan ;;
             02) echo feb ;;
             03) echo mar ;;
             04) echo apr ;;
             05) echo may ;;
             06) echo jun ;;
             07) echo jul ;;
             08) echo aug ;;
             09) echo sep ;;
             10) echo oct ;;
             11) echo nov ;;
             12) echo dec ;;
               *) echo  0 ;;
       esac
}
year=`cat ${FILE} | awk '/Expires:/' | cut -d ' ' -f15 | cut -d '-' -f1`
expiration=$day-$(getmonth ${2})-$year
fi

rm $FILE

####################################################
#			if can't get expiration time		####
if [ -z $expiration ];
then
	echo "UNKNOWN - can not retrieve expiration time"
	exit $STATE_UNKNOWN
fi

####################################################
#			expiration counting					####
expiration_date=$(date +%s --date="$expiration")
NOW=$(date +%s)
DAYSLEFT=$((($expiration_date-$NOW)/86400))

####################################################
#				alerts							####
if [ $DAYSLEFT -lt 0 ];
then
	echo "CRITICAL - Domain is expired"
	exit $STATE_CRITICAL
elif [ $DAYSLEFT -lt $critical ];
then
	echo "CRITICAL - Domain will expire in $DAYSLEFT days"
	exit $STATE_CRITICAL
elif [ $DAYSLEFT -lt $warning ];
then
	echo "WARNING - Domain will expire after $DAYSLEFT days on $expiration"
	exit $STATE_WARNING
fi

echo "OK - Domain will expire on $expiration"
exit $STATE_OK

domain.cfg

#/etc/nagios-plugins/config/domain.cfg 
# 'check_domain' command definition
define command{
        command_name    check_domain
#        command_line    /usr/lib/nagios/plugins/check_domain -d '$ARG1$' -w '$ARG2$' -c '$ARG3$'
#        command_line    /usr/lib/nagios/plugins/check_domain -d '$ARG1$' -w 60 -c 14
        command_line    /usr/lib/nagios/plugins/check_domain -d $ARG1
        }

host_example.cfg

define service{
        use                             generic-service
        host_name                       www.example.co.jp
        service_description             DOMAIN
        check_command                   check_domain!example.co.jp
        }