#!/bin/bash

CONFIGPATH=$(pwd)

while [ true ]
 do

. ${CONFIGPATH}/rrd_config

cd $RRDDIR

for i in "${INTERFACES[@]}"
do
	# By default I use ifconfig, if you prefer
	# iproute2 simply comment out the next two lines
	# and uncomment the other ones.
	RX=$(/sbin/ifconfig $i | grep bytes | cut -f2 -d":" | cut -f1 -d " ")
	TX=$(/sbin/ifconfig $i | grep bytes | cut -f3 -d":" | cut -f1 -d " ")
	
	#RX=$(/sbin/ip -o -s link show eth0 | cut -f40 -d" ")
	#TX=$(/sbin/ip -o -s link show eth0 | cut -f84 -d" ")
	
	$RRDTOOL update ${i}_day.rrd --template RXBytes:TXBytes N:${RX}:${TX}
done

for i in "${DISKS[@]}"
do
	READS=$(${IOSTAT} -d $i | grep $i | awk {'print $5'})
	WRITES=$(${IOSTAT} -d $i | grep $i | awk {'print $6'})

	READSB=$((${READS}*1000))
	WRITESB=$((${WRITES}*1000))
	
	$RRDTOOL update ${i}.rrd --template reads:writes N:${READSB}:${WRITESB}
done

ONEMIN=$(cat /proc/loadavg | awk {'print $1'})
FIVEMIN=$(cat /proc/loadavg | awk {'print $2'})
FIFTEENMIN=$(cat /proc/loadavg | awk {'print $3'})

$RRDTOOL update loadavg.rrd --template one:five:fifteen N:${ONEMIN}:${FIVEMIN}:${FIFTEENMIN}

sleep 7

done