#!/bin/sh
#
# exicyclog (rotate Exim log) + eximstats (generates statistics from Exim)
#
# in /etc/sysconfig/exim
#
# EXIM_REPORT_WEEKLY_SEND = yes/no
# EXIM_REPORT_WEEKLY_HTML = yes/no
#
cd /var/log/exim

if [ -f /etc/sysconfig/exim ]; then
   source /etc/sysconfig/exim
fi

if [ "$EXIM_REPORT_WEEKLY_SEND" == "yes" ] || [ "$EXIM_REPORT_WEEKLY_HTML" == "yes" ]; then
   if [ ! -f /var/log/exim/main.log ]; then
      exec /usr/bin/exicyclog
      exit 0
   fi
   day=`date +%Y%m%d`
   report=weekly_report-$day.log
   eximstatsdir=/var/www/eximstats/$day
   eximstats main.log > $report
   chmod 640 $report
   chown mail:mail $report
   # create HTML report ?
   if [ "$EXIM_REPORT_WEEKLY_HTML" = yes ]; then
      mkdir -p $eximstatsdir
      eximstats -html -charts -chartdir $eximstatsdir main.log > $eximstatsdir/index.html
   fi
   # send $report via mail to postmaster ?
   if [ "$EXIM_REPORT_WEEKLY_SEND" == "yes" ]; then
      mail -s "$(sed -n '2{p;q;}' < $report) ($(hostname))" postmaster < $report
   fi
   # rotate $report
   if [ -f $report ]; then
      [ -f $report.gz ] && rm -f $report.gz
      gzip -f -9 $report
      rm -f $report
   fi
fi

exec /usr/bin/exicyclog