logrotate.sh

logrotate.sh

#!/bin/sh
#
# Kenneth Finnegan, 2010
# kennethfinnegan.blogspot.com
#
# Counts service requests for the day and adds count to smaller log file
#
# To have run by cron at 23:59 daily, add the following to your crontab
# 59 23 * * * /mnt/storage/lighty/logrotate.sh

# 2010 11 23: 	Initial revision
# 2010 11 24:	Added awk script to count unique IP addr in logs
#		Removed ACC_TODAY path from output to ACC_TOTAL
# 2010 11 25:	Fixed daily rotation of logs, send HUP signal to lighttpd
#		Added date-stamped compressed copies for later review

LOGDIR=/mnt/storage/logs
# Todays log file being fed by lighttpd
ACC_TODAY=lighttpd.access.log
# Backup of yesterdays log, before being overwritten at midnight
ACC_YESTERDAY=lighttpd.access.log.yesterday
# Compressed copy of today's logs
ACC_TODAY_GZ=lighttpd.access.$(date +%F).log
# Total count of traffic, daily with DATE UNIQUE TOTAL per line
ACC_TOTAL=lighttpd.access.log.total
# File storing the current PID for the daemon
PID=lighttpd.pid


touch $LOGDIR/$ACC_TODAY
DAILYUNIQUE="$(awk '{print $1}' $LOGDIR/$ACC_TODAY | sort -n -u | wc -l )"
DAILYHANDLED="$(wc -l < $LOGDIR/$ACC_TODAY)"
DAILYLOG="$(date +%F) \t $DAILYUNIQUE \t $DAILYHANDLED"
echo -e $DAILYLOG >> $LOGDIR/$ACC_TOTAL

cp -p $LOGDIR/$ACC_TODAY $LOGDIR/$ACC_YESTERDAY
cp -p $LOGDIR/$ACC_TODAY $LOGDIR/$ACC_TODAY_GZ
gzip $LOGDIR/$ACC_TODAY_GZ

# Clear the daily log file and notify lighttpd
cat /dev/null > $LOGDIR/$ACC_TODAY
kill -s HUP `cat $LOGDIR/$PID`