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Top Forums Shell Programming and Scripting cron script to rotate log files Post 302307435 by timgolding on Wednesday 15th of April 2009 10:39:55 AM
Old 04-15-2009
Well that took some time. Here is my final script i have come up with. Hope it's ok

Code:
echo ""
# Log rotations modded to hell by Tim Golding
printf %s "Rotating log files:"
cd /var/log
# Add new logs to this list
for i in asl.log servermgrd.log crashreporter.log ftp.log lookupd.log lpr.log mail.log netinfo.log hwmond.log ipfw.log secure.log; do
    if [ -f "${i}" ]; then
    if [ "crashreporter.log" == "${i}" ] && !(lsof "${i}") || [ "crashrepoter.log" != "${i}" ]; then
        file_size=`ls -l "${i}"| awk '{printf "%s",$5}'`
        max=2097152
        if [ $file_size -gt $max ]; then
                ch_mod=`ls -l "${i}"| awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf("%0o ",k);print}'| awk '{printf "%s",$1}'`
                this_group=`ls -l "${i}"| awk '{printf "%s",$3}'`
                this_user=`ls -l "${i}"| awk '{printf "%s",$4}'`
                printf %s " $i"
                if [ -x /usr/bin/gzip ]; then gzext=".gz"; else gzext=""; fi
                if [ -f "${i}.3${gzext}" ]; then mv -f "${i}.3${gzext}" "${i}.4${gzext}"; fi
                if [ -f "${i}.2${gzext}" ]; then mv -f "${i}.2${gzext}" "${i}.3${gzext}"; fi
                if [ -f "${i}.1${gzext}" ]; then mv -f "${i}.1${gzext}" "${i}.2${gzext}"; fi
                if [ -f "${i}.0${gzext}" ]; then mv -f "${i}.0${gzext}" "${i}.1${gzext}"; fi
                if [ -f "${i}" ]; then mv -f "${i}" "${i}.0" && if [ -x /usr/bin/gzip ]; then gzip -9 "${i}.0"; fi; fi
                touch "${i}" && chmod "${ch_mod}" "${i}" && chown "${this_group}":"${this_user}" "${i}"
        fi
    fi
 fi
done
if [ -f /var/run/servermgrd.pid ]; then kill -HUP $(cat /var/run/servermgrd.pid | head -1); fi
if [ -f /var/run/syslog.pid ]; then kill -HUP $(cat /var/run/syslog.pid | head -1); fi
echo ""

I took some of the logs out of the loop and will monitor those manually for the time being. I kept some in and crashreporter i kept but i made a rule to only rotate it if its not being used. My logic being if there's a crash being reported i don't really want to be stopping the process. I took weekly.out, monthly.out and daily.out because i figured that this script that is called weekly, when it is running maybe will be the time weekly.out is being written to plus in a config file somewhere that had weekly.out set a log file path it had a config line saying that log clean is enabled. So I'm hoping that they are already being taken care of.
The other ones i left in are being handled by servermgrd or syslog which are safe and easy to restart. My only concerns now are still what weekly_out.log was and the rysnc_backup.log that is 643kb so ideally wouldn't mind rotating but couldn't find much info about. Well i'll just see how this goes for now.

Thanks alot for all your help. Smilie
 

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XSLT_SET_LOG(3) 							 1							   XSLT_SET_LOG(3)

xslt_set_log - Set the log file to write log messages to

SYNOPSIS
void xslt_set_log (resource $xh, [mixed $log]) DESCRIPTION
This function allows you to set the file in which you want XSLT log messages to, XSLT log messages are different than error messages, in that log messages are not actually error messages but rather messages related to the state of the XSLT processor. They are useful for debugging XSLT, when something goes wrong. By default logging is disabled, in order to enable logging you must first call xslt_set_log(3) with a boolean parameter which enables log- ging, then if you want to set the log file to debug to, you must then pass it a string containing the filename. PARAMETERS
o $ xh -The XSLT processor link identifier, created with xslt_create(3). o $log - This parameter is either a boolean value which toggles logging on and off, or a string containing the logfile in which log errors too. RETURN VALUES
No value is returned. NOTES
Note Please note that file:// is needed in front of the path when using Windows. EXAMPLES
Example #1 Using the XSLT Logging features <?php $xh = xslt_create(); xslt_set_log($xh, true); xslt_set_log($xh, getcwd() . '/myfile.log'); $result = xslt_process($xh, 'dog.xml', 'pets.xsl'); echo $result; xslt_free($xh); ?> PHP Documentation Group XSLT_SET_LOG(3)
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