Re: [users@httpd] Wildcard DNS with Separate Subdomain Log Files

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Nonono

You need a cron job that will run the command :

cat access.log | /path/to/split-logfile

it will create the logfiles to the directory where split-logfile is stored.

You may want to edit the script a little so it outputs the logfiles to a given directory.

You merely need to change the CustomLog directive in your httpd.conf
from
CustomLog /var/log/apache/access.log combined

to
CustomLog /var/log/apache/access.log vhost

knowing that you have the LogFormat directive :
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" \"%{forensic-id}n\"" vhost


Ben Fryer wrote:

Hi Jean

Thank you great answer, just what I was looking for!

One final question ;) can I just check how I should use split-logfile

CustomLog "|/apache/split-logfile >> /path/to/user/logs/access_log" vhost

Something like that?

Thanks again

Ben

----- Original Message ----- From: "Jean-Christophe Montigny" <jcm@xxxxxxxxxxx>
To: <users@xxxxxxxxxxxxxxxx>
Sent: Friday, May 27, 2005 12:30 PM
Subject: Re: [users@httpd] Wildcard DNS with Separate Subdomain Log Files


Hello,

Just add a new definition of log format possibly called "vhost" : copy the "combined" log format and add a %h at the beginning of the definition.
%h stands for "virtual host name".

Everything will be logged to the regular access.log except the log lines will look like :
user1.mydomain.com 10.10.10.10 <time> <accessed page> ...

split-logfile will the,n parse that file and write into new files called user1.mydomain.com.log :
10.10.10.10 <time> <access page> ....

Those files can then be parsed by webalizer.

That's what i'm doing, it's working fine. The only con is that when run by a cron job, it will add lines that already exist to the vhost logfiles, making them a lot bigger.You may want to delete logfiles before using split-logfile so that you don't end up with tons of redundant logfiles.

*subliminal message*logfile*

Hope that helps,

Jean-Christophe Montigny

Ben Fryer wrote:

Hi All

We have apache configured using wildcard DNS *.mydomain.com

The site has members who on sign up can instantly access their version of the site.

user1.mydomain.com
user2.mydomain.com
...

We use a single VirtualHost definition that captures *.mydomain.com rewrites to a script that extracts the username displays the correct site.

That all works fine!

The problem we have is we now want too provide users stats for their subdomains using a web stats application such as webalizer, ideally having a separate log file for each subdomain.

Is there any way we could get apache to automatically produce multiple log files for each sub domain in the same VirtualHost definition effectively:

CustomLog /logs/www.mydomain.com_access_log combined
CustomLog /logs/user1.mydomain.com_access_log combined
CustomLog /logs/user2.mydomain.com_access_log combined
...

There is a mention of a script called split-logfile in the manual but its not very clear how it can be used.

Any help would be greatly appreciated.

Many Thanks

Ben

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