Because I couldn’t find any that worked.
(Dark blue: incoming queries, light blue: outgoing/recursive lookups)
mrtg.cfg sample:
# Bind Title[bind]: Bind Queries Target[bind]: `/etc/mrtg/bind-stats.sh` PageTop[bind]: <H1> Bind queries per minute on vm1 </H1> Options[bind]: growright,pngdate,nobanner,gauge,nopercent,noinfo MaxBytes[bind]: 50000 Ylegend[bind]: Queries/min ShortLegend[bind]: queries/min LegendO[bind]: Incoming Bind queries per minute LegendI[bind]: Outcoing Bind queries per minute Legend2[bind]: Incoming Bind queries per minute Legend1[bind]: Outcoing Bind queries per minute
bind-stats.sh:
#!/bin/bash
# Bind MRTG stats
# by Yeri Tiete (Tuinslak) - 10/02/2011
# https://yeri.be
#
# mrtg.cfg sample:
################################################################################
# #
# # Bind
# #
# Title[bind]: Bind Queries
# Target[bind]: `/etc/mrtg/bind-stats.sh`
# PageTop[bind]: <H1> Bind queries per minute on vm1 </H1>
# Options[bind]: growright,pngdate,nobanner,gauge,nopercent,noinfo
# MaxBytes[bind]: 50000
# Ylegend[bind]: Queries/min
# ShortLegend[bind]: queries/min
# LegendO[bind]: Incoming Bind queries per minute
# LegendI[bind]: Outcoing Bind queries per minute
# Legend2[bind]: Incoming Bind queries per minute
# Legend1[bind]: Outcoing Bind queries per minute
################################################################################
# file path of named.stats
FILE=/var/log/named.stats
TMPFILE=/tmp/__dnsstats.txt
# how often does mrtg run? for me it's every 10 mins
TIME=10
# make file empty
echo /dev/null > /var/log/named.stats
# generate file
/usr/sbin/rndc stats
# save number of queries
INNOW=`egrep "[^I]QUERY" $FILE | awk '{print $1 }'`
OUTNOW=`grep Outgoing $FILE -A 9 | sed '1,2d' | awk '{ SUM += $1} END { print SUM }'`
# check if tmp file exists and insert data in it if it doesnt
# this prevents a peak
[ ! -e $TMPFILE ] && echo $INNOW > $TMPFILE && echo $OUTNOW >> $TMPFILE
# get old data
INOLD=`cat $TMPFILE | sed -n 1p`
OUTOLD=`cat $TMPFILE | sed -n 2p`
# overwrite old
echo $INNOW > $TMPFILE
echo $OUTNOW >> $TMPFILE
# calculate (to get difference)
INDIFF=$[ $INNOW-$INOLD ]
OUTDIFF=$[ $OUTNOW-$OUTOLD ]
# as mrtg runs */10 > divide by 10 to get per minute
INPERMIN=$[ $INDIFF/$TIME ]
OUTPERMIN=$[ $OUTDIFF/$TIME ]
# print !
echo $OUTPERMIN
echo $INPERMIN
echo
echo
Or download the file riiiiiight here.
Be sure the named.stats file gives this kind of output:
# grep Outgoing /var/log/named.stats -A 9
++ Outgoing Queries ++
[View: default]
64316 A
2 NS
22 SOA
6945 PTR
892 MX
1104 TXT
3117 AAAA
22 SRV
… for the outgoing queries, and …
# grep QUERY /var/log/named.stats | awk '{print $1 }'
163143
for the incoming queries.
Don’t forget to
chmod +x bind-stats.sh
Live sample: vm1.rootspirit.com/mrtg/bind.html
Leave a Reply…