boinc/tools/makelog.sh

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#!/bin/bash
# This daemon (endless loop) constructs user-readable scheduler
# logs once per minute. It runs with a 3-minute latency.
# To run this script as part of the standard BOINC backend
# components, just include:
# <daemon>
# <cmd> makelog.sh </cmd>
# </daemon>
# in your config.xml file
export lastmin=dontmatch
while [ true ] ; do
# we extract the logs from 3 minutes ago, because the cgi
# process can run for a couple of minutes.
export currmin=`date --date="-3 minute" '+%Y-%m-%d %H:%M'`
# create correct filename, directory name, path, etc.
export oneword=`echo $currmin | sed 's/ /_/'`
export filename=${oneword}.txt
export dirname=`echo $filename | cut -b 1-13`
export dirpath=../html/user/sched_logs/${dirname}
if [ ! -d $dirpath ] ; then
mkdir $dirpath
fi
export filepath=${dirpath}/${filename}
# if the minute has changed, or the one-minute log file does not exist,
# then create it. One must consider both cases otherwise log rotation
# can screw things up.
if [ "${currmin}" != "${lastmin}" -o ! -f "${filepath}" ] ; then
# put some text into the start of the 'human readable' log file
echo "Note that all times in this file are in UTC. To compare with your BOINC logs" > $filepath
echo "you will need to convert your local time into UTC. To make comparison easier you" >> $filepath
echo "may also want to consider using a high-precision time protocol such as NTP to set your" >> $filepath
echo "computers clock. This will allow comparisons of the time stamps to fractions of" >> $filepath
echo "a second." >> $filepath
echo " " >> $filepath
echo "These files are posted approximately three minutes after the events are logged." >> $filepath
echo " " >> $filepath
echo " " >> $filepath
# now grep for all log entries from 3 minutes ago. Use sed to hide any sensitive info
# such as authenticator and IP address. Must
grep --no-filename "${currmin}" ../log_*/cgi.log ../log_*/cgi.log.0 | \
sed 's/authenticator .*//g; s/\[auth [^]]*\]//g; s/from [0-9.]*//g; s/auth [0-9a-f]*\,//g; s/\[IP [0-9.]*\]//g; s/\[USER#[0-9]*\]//g; s/IP [0-9.]*\,//g' >> $filepath
export lastmin=$currmin
else
# if the minute has not changed and log file exists, sleep a bit and
# try again
sleep 15;
fi
done
# this is an infinite loop, so we should never get here!!