script to obtain check_mrtgtraf performance data neede by NagiosGraph

I wrote this script that modifies check_mrtgtraf output in order to obtain usable performance data usable by nagiosgraph.

I hope it will be useful.

Rodrigo

#!/bin/sh
# parche check_mrtgtraf para que salga en nagiosgraph v_1.2 3 dic 2014 Rodrigo Avila

COMANDO=/usr/lib/nagios/plugins/check_mrtgtraf

ARCHIVO=$2
AGREGACION=$4
CRITI=$6
WARNI=$8

#valor=`/usr/lib/nagios/plugins/check_mrtgtraf -F /srv/www/htdocs/mrtg/192.168.1.1.log -a AVG -c “175000,175000” -w “165000,165000”`

valor=`$COMANDO -F $ARCHIVO -a $AGREGACION -c $CRITI -w $WARNI`

literal=`echo $valor | cut -d”|” -f1`

valorInKB=`echo $valor | cut -d”|” -f2 | cut -d”=” -f2 | cut -d “K” -f1`
valorIn=`echo “scale=4 ; $valorInKB * 1024 * 8 /1 “| bc`

valorOutKB=`echo $valor | cut -d”|” -f2 | cut -d”=” -f3 | cut -d “K” -f1`
valorOut=`echo “scale=4 ; $valorOutKB *1024 * 8 /1 “| bc`

# convert Bytes to bits
AJUSTE=”8″

inCritiKB=`echo $CRITI | cut -d”,” -f1`
inCriti=`echo “scale=2 ; $inCritiKB * $AJUSTE /1 “| bc`

#inCriti=$inCritiKB

outCritiKB=`echo $CRITI | cut -d”,” -f2`
outCriti=`echo “scale=2 ;$outCritiKB * $AJUSTE /1″| bc`

#outCriti=$outCritiKB

inWarniKB=`echo $WARNI | cut -d”,” -f1`
inWarni=`echo “scale=2 ; $inWarniKB * $AJUSTE /1″| bc`

#inWarni=$inWarniKB

outWarniKB=`echo $WARNI | cut -d”,” -f2`
outWarni=`echo “scale=2 ;$outWarniKB * $AJUSTE /1″| bc`

#outWarni=$outWarniKB

esCritico=`echo $literal | grep “Traffic CRITICAL” | wc -l `
if [ $esCritico -eq “1” ]
then
echo “$literal|in=$valorIn;$inWarni;$inCriti;0 out=$valorOut;$outWarni;$outCriti;0”
exit 2;
fi

esWarning=`echo $literal | grep “Traffic WARNING” | wc -l `
if [ $esWarning -eq “1” ]
then
echo “$literal|in=$valorIn;$inWarni;$inCriti;0 out=$valorOut;$outWarni;$outCriti;0”
exit 1;
fi

echo “$literal|in=$valorIn;$inWarni;$inCriti;0 out=$valorOut;$outWarni;$outCriti;0”
exit 0;

————————
commands.cfg:
# ‘check_local_mrtgtraf’ command definition
define command{
command_name check_local_mrtgtraf
#RAK command_line $USER1$/check_mrtgtraf -F $ARG1$ -a $ARG2$ -w $ARG3$ -c $ARG4$ -e $ARG5$
command_line $USER1$/parche_check_mrtgtraf -F $ARG1$ -a $ARG2$ -w $ARG3$ -c $ARG4$ -e $ARG5$
}
———————-
myrouter.cfg:

define service{
use generic-service
host_name MYROUTER
service_description Uso de ancho de banda del Enlace ISP
check_command check_local_mrtgtraf!/srv/www/htdocs/mrtg/myrouter_192.168.1.1.log!AVG!276000,113750!256000,93750!10
}