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List:       dovecot
Subject:    rawlog data in a lua script
From:       aki.tuomi () open-xchange ! com (Aki Tuomi)
Date:       2022-07-29 8:56:25
Message-ID: 8A52F358-775C-4973-8E50-EA7716A1B4E0 () open-xchange ! com
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On 28 July 2022 13.38.17 UTC, "Jo?o Silva" <joaopfmlist at lipc.fis.uc.pt> wrote:
> Thanks a lot for this thread.
> 
> I was starting to plan a system where multiples processes can write to a file and \
> completely forgot that syslog is designed to do that. 
> It is a perfect solution, I only had to configure a local facility to receive the \
> data and add 3 lines of code to the program (including the import). 
> On 28/07/2022 12:01, Paul Kudla (SCOM.CA Internet Services Inc.) wrote:
> > 
> > Hi - I use this python script to capture a socket (ie the log file) and then send \
> > it to syslog, i use this for all the systems that do not really support \
> > syslogging (apache etc) 
> > basic useage
> > 
> > /usr/bin/nohup /programs/common/capture -s \
> > /usr/local/apache2/logs/httpd-access.log -l httpd -d 10.228.0.6:514 -p httpd & > \
> > /dev/null 
> > i typically run this at startup in rc.local
<snip/>
 
> > On 7/28/2022 6:17 AM, dovecot-bounces at dovecot.org wrote:
> > > Hi,
> > > I'm searching for a possibility to have the rawlog feature in lua, which would \
> > > be much easier for processing. Currently Dovecot, when activating rawlog for a \
> > > user, writes everything to disk (which creates I/O), and I have to somehow read \
> > > it from there. That's a bit complicated, because I have to get notified via \
> > > inotify or similar when there are new files created, and then I have to start a \
> > > "tail" or "epoll" mechanism on the files to get the contents in more or less \
> > > real time (IMAP sessions can be multiple hours or days). It would be much \
> > > easier to hook to the "raw request and response events" inside Dovecot and have \
> > > the rawlog-data in a lua script, where I can prepare it and send it to another \
> > > maschine for monitoring/collection/analysis/statistics or similar, for example \
> > > via HTTP. Having the rawlog data available in lua would make things a lot \
> > > easier. Is there any possibility at the moment to create a lua script and \
> > > "hook" to those "request and response events"? If not, would it be possible to \
> > > add that feature in the future? Kind regards
> > > Michael


If you are only interested in IMAP commands you can use event exporter to send \
individual commands preparsed in json format to HTTP endpoint.

Aki


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