Initial commit.

README

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+RRD Scripts
+v0.1
+
+leander@one-button.org
+www.one-button.org
+
+Graphs load average, disk usage, and network throughput.
+
+Something simple I put together for some basic graphs, not a Cacti replacement.  Requires RRD and presumably some web server to display the graphs.
+
+Make sure you adjust the settings in the rrd_config file before you install.
+
+Run the rrd_init_databases.sh to intialize the databases, then run ./update_rrds.sh &.  You may want to put that in rc.local or some equivalent so it runs on boot.
+
+To have the graphs generated automatically add something like
+
+*/5     *       *       *       *       /path/to/rrd_scripts/update_graphs.sh > /dev/null 2>&1 
+
+to your crontab.

rrd_config

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+INTERFACES=( eth0 eth1 )
+DISKS=( sda sdb md0 )
+RRDDIR="/usr/local/rrd/"
+GRAPHDIR="/usr/local/graphs/"
+RRDTOOL="/usr/bin/rrdtool"
+IOSTAT="/usr/bin/iostat"

rrd_init_databases.sh

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+#!/bin/bash
+
+# Simple RRD setup
+# Netowrk traffic in bytes/sec
+# Disk reads/writes in bytes/sec
+# Load average as reported by /proc/loadavg
+# Needs: sysstat iostat
+
+CONFIGDIR=$(pwd)
+sed "3i . ${CONFIGDIR}/rrd_config" update_graphs.sh > update_graphs.sh
+
+. ${CONFIGDIR}/rrd_config
+
+if [ ! -d "$RRDDIR" ]; then
+	mkdir -p $RRDDIR
+fi 
+
+cd $RRDDIR
+
+# Create RRDs for network interfaces
+for i in "${INTERFACES[@]}"
+do
+	if [ ! -f ${i}_day.rrd ]; then
+		$RRDTOOL create ${i}_day.rrd \
+		--step 15 \
+		DS:RXBytes:DERIVE:240:0:1000000000000000 \
+		DS:TXBytes:DERIVE:240:0:1000000000000000 \
+		RRA:AVERAGE:0.5:1:576 \
+		RRA:AVERAGE:0.5:6:672 \
+		RRA:AVERAGE:0.5:24:732 \
+		RRA:AVERAGE:0.5:144:1460
+	fi
+done
+
+# Create RRDs for disks
+for i in "${DISKS[@]}"
+do
+	if [ ! -f {i}.rrd ]; then
+		$RRDTOOL create ${i}.rrd \
+		--step 15 \
+		DS:reads:DERIVE:30:0:1000000000000000 \
+		DS:writes:DERIVE:30:0:1000000000000000 \
+		RRA:AVERAGE:0.5:1:576 \
+		RRA:AVERAGE:0.5:6:672 \
+		RRA:AVERAGE:0.5:24:732 \
+		RRA:AVERAGE:0.5:144:1460
+	fi
+done
+
+# Create load average RRD
+if [ ! -f loadavg.rrd ]; then
+	$RRDTOOL create loadavg.rrd \
+	--step 15 \
+	DS:one:GAUGE:30:0:100 \
+	DS:five:GAUGE:30:0:100 \
+	DS:fifteen:GAUGE:30:0:100 \
+	RRA:AVERAGE:0.5:1:576 \
+	RRA:AVERAGE:0.5:6:672 \
+	RRA:AVERAGE:0.5:24:732 \
+	RRA:AVERAGE:0.5:144:1460
+fi
+
+
+

update_graphs.sh

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+#!/bin/bash
+
+. /root/rrd_scripts/rrd_config
+
+if [ ! -d $GRAPHDIR ]; then
+	mkdir -p $GRAPHDIR
+fi
+
+cd $RRDDIR
+
+for i in ${INTERFACES[@]}
+do
+	$RRDTOOL graph $GRAPHDIR${i}_day.png \
+	-h 120 -w 550 -a PNG \
+	--start end-8h --end now \
+	--font DEFAULT:7: \
+	--title "$i Network Throughput" \
+	--watermark "`date`" \
+	--vertical-label "bytes/sec" \
+	--logarithmic \
+	--units=si \
+	--x-grid MINUTE:10:HOUR:1:MINUTE:120:0:%R \
+	--alt-y-grid --rigid \
+	DEF:RXBytes=${i}_day.rrd:RXBytes:AVERAGE \
+	DEF:TXBytes=${i}_day.rrd:TXBytes:AVERAGE \
+	LINE2:RXBytes#3ADF00:RX \
+	GPRINT:RXBytes:LAST:"Cur\: %5.2lf %s" \
+	GPRINT:RXBytes:AVERAGE:"Avg\: %5.2lf %S" \
+	GPRINT:RXBytes:MAX:"Max\: %5.2lf %S" \
+	GPRINT:RXBytes:MIN:"Min\: %5.2lf %SBps\n" \
+	LINE2:TXBytes#045FB4:TX \
+	GPRINT:TXBytes:LAST:"Cur\: %5.1lf %s" \
+	GPRINT:TXBytes:AVERAGE:"Avg\: %5.1lf %S" \
+	GPRINT:TXBytes:MAX:"Max\: %5.1lf %S" \
+	GPRINT:TXBytes:MIN:"Min\: %5.1lf %SBps\n" \
+	HRULE:0#000000
+done
+
+
+for i in ${DISKS[@]}
+do
+	$RRDTOOL graph $GRAPHDIR${i}.png \
+	-h 120 -w 550 -a PNG \
+	--start end-8h --end now \
+	--font DEFAULT:7: \
+	--title "${i} Data Read/Written" \
+	--watermark "`date`" \
+	--vertical-label "bytes/sec" \
+	--logarithmic \
+	--units=si \
+	--x-grid MINUTE:10:HOUR:1:MINUTE:120:0:%R \
+	--alt-y-grid --rigid \
+	DEF:reads=${i}.rrd:reads:AVERAGE \
+	DEF:writes=${i}.rrd:writes:AVERAGE \
+	LINE2:reads#3ADF00:Read \
+	GPRINT:reads:LAST:"Cur\: %5.2lf %s" \
+	GPRINT:reads:AVERAGE:"Avg\: %5.2lf %S" \
+	GPRINT:reads:MAX:"Max\: %5.2lf %S" \
+	GPRINT:reads:MIN:"Min\: %5.2lf %SBps\n" \
+	LINE2:writes#045FB4:Written \
+	GPRINT:writes:LAST:"Cur\: %5.1lf %s" \
+	GPRINT:writes:AVERAGE:"Avg\: %5.1lf %S" \
+	GPRINT:writes:MAX:"Max\: %5.1lf %S" \
+	GPRINT:writes:MIN:"Min\: %5.1lf %SBps\n" \
+	HRULE:0#000000
+done
+
+$RRDTOOL graph $GRAPHDIR/loadavg.png \
+-h 120 -w 550 -a PNG \
+--start end-8h --end now \
+--font DEFAULT:7: \
+--title "Load Average" \
+--watermark "`uptime`" \
+--vertical-label "Load Average" \
+--x-grid MINUTE:10:HOUR:1:MINUTE:120:0:%R \
+--upper-limit 2.00 \
+--lower-limit 0.00 \
+DEF:one=loadavg.rrd:one:AVERAGE \
+DEF:five=loadavg.rrd:five:AVERAGE \
+DEF:fifteen=loadavg.rrd:fifteen:AVERAGE \
+LINE:fifteen#FF0000:"1 Min\:" \
+GPRINT:fifteen:LAST:"Cur\: %5.2lf" \
+GPRINT:fifteen:AVERAGE:"Avg\: %5.2lf" \
+GPRINT:fifteen:MIN:"Min\: %5.2lf" \
+GPRINT:fifteen:MAX:"Max\: %5.2lf\n" \
+LINE:five#0000FF:"5 Min\:" \
+GPRINT:five:LAST:"Cur\: %5.2lf" \
+GPRINT:five:AVERAGE:"Avg\: %5.2lf" \
+GPRINT:five:MIN:"Min\: %5.2lf" \
+GPRINT:five:MAX:"Max\: %5.2lf\n" \
+AREA:one#00FF0080:"15 Min\:" \
+GPRINT:one:LAST:"Cur\: %5.2lf" \
+GPRINT:one:AVERAGE:"Avg\: %5.2lf" \
+GPRINT:one:MIN:"Min\: %5.2lf" \
+GPRINT:one:MAX:"Max\: %5.2lf\n" \

update_rrds.sh

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+#!/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