#!/bin/sh ### user config vars (don't edit here, override by dnscache.conf) RRDDB=/var/db/rrd/dnscache.rrd OUT=/home/www/stats/dnscache STATS=/var/log/dnscache/stats.log HTML=1 ### end of config vars # to have $STATS file you must have this dnscache/log/run file: # #!/bin/sh # exec setuidgid Gdnslog multilog t ./main/ \ # '-*' '+* stats * * * *' =/var/log/dnscache/stats.log # application path, check before use!! RRDUPDATE=/usr/local/bin/rrdupdate RRDTOOL=/usr/local/bin/rrdtool HOSTNAME=`hostname` TIMES="3600 86400 604800 2592000 31536000" VALUES="query cache udp tcp ratio" # load config settings [ -f `dirname ${0}`/dnscache.conf ] && . `dirname ${0}`/dnscache.conf # query:cache:udp:tcp [ ! -f ${RRDDB} ] && ${RRDTOOL} create ${RRDDB} --start N \ DS:query:DERIVE:600:0:4294967295l DS:cache:DERIVE:600:0:4294967295l \ DS:udp:GAUGE:600:0:200 DS:tcp:GAUGE:600:0:20 \ DS:ratio:GAUGE:600:U:U \ RRA:AVERAGE:0.5:1:576 RRA:AVERAGE:0.5:6:576 \ RRA:AVERAGE:0.5:24:576 RRA:AVERAGE:0.5:288:576 VALUE=`head -n1 ${STATS} | awk '{ print $3":"$4":"$5":"$6 }'` RATIO=`echo ${VALUE} | awk 'BEGIN { FS = ":" } { var=$2/$1; print var; }'` ${RRDUPDATE} ${RRDDB} N:${VALUE}:${RATIO} > /dev/null exec 2>/dev/null IFS=" " for TIME in ${TIMES}; do LINK_H="hour" LINK_D="day" LINK_W="week" LINK_M="month" LINK_Y="year" SIZE=1 case ${TIME} in 3600) NAME="hour"; FILE="index.html"; LINK_H="hour" ; SIZE=2;; 86400) NAME="day"; FILE="dnscache-day.html"; LINK_D="day" ;; 604800) NAME="week"; FILE="dnscache-week.html"; LINK_W="week" ;; 2592000) NAME="month"; FILE="dnscache-month.html"; LINK_M="month" ;; 31536000) NAME="year"; FILE="dnscache-year.html"; LINK_Y="year" ;; esac for VALUE in ${VALUES}; do case ${VALUE} in "query") LEGEND="query/sec"; TYPE="AREA"; COLOR="0000FF" ;; "cache") LEGEND="cache motion/sec"; TYPE="AREA"; COLOR="00FF00" ;; "udp") LEGEND="UDP connections/sec"; TYPE="LINE${SIZE}"; COLOR="0000FF" ;; "tcp") LEGEND="TCP connections/sec"; TYPE="LINE${SIZE}"; COLOR="0000FF" ;; "ratio") LEGEND="cache size/query ratio (lower is better)"; TYPE="LINE${SIZE}"; COLOR="00FF00" ;; esac ${RRDTOOL} graph ${OUT}/${HOSTNAME}-dnscache-${VALUE}-${NAME}.png -a PNG -h 125 -s -${TIME} \ -t "dnscache on ${HOSTNAME}" -v "${LEGEND}" \ "DEF:${VALUE}=${RRDDB}:${VALUE}:AVERAGE" \ "${TYPE}:${VALUE}#${COLOR}:${LEGEND}\r" \ "GPRINT:${VALUE}:LAST:Last ${LEGEND}\: %7.2lf\r" \ "GPRINT:${VALUE}:MAX:Max ${LEGEND}\: %7.2lf\r" \ "GPRINT:${VALUE}:AVERAGE:Average ${LEGEND}\: %7.2lf\r" \ "COMMENT:Last update\: `date "+%H\:%M %d/%m/%y"`\r" \ > /dev/null done [ ${HTML} = 1 -a ! -f ${OUT}/${FILE} ] && cat < ${OUT}/${FILE} ${HOSTNAME} dnscache stats

${HOSTNAME} dnscache stats

Go to: ${LINK_H} - ${LINK_D} - ${LINK_W} - ${LINK_M} - ${LINK_Y}

query (one ${NAME})	cache motion (one ${NAME})
UDP connections (one ${NAME})	TCP connections (one ${NAME})
cache size/query ratio (one ${NAME})

This page was generated with a software developed by Luca Morettoni

EOF done