[OpenSIPS-Users] xlog adding information to output

Ben Newlin Ben.Newlin at genesys.com
Fri Apr 13 09:47:14 EDT 2018


I can understand the desire for consistency.

Unfortunately in our case we are using an external log service vendor and the application that is collecting the logs is provided by them. It simply collects all logs and does not have any option to preprocess individual log entries. We don’t have the ability to pre-process the logs prior to ingestion. We can, I think, filter out the extra info while searching the logs, but it will make the searches more complex and slower.

It would be nice to be able to disable this so there is some option to only log what is provided without manipulation. It could be a flag that affects xlog, or a different log function that doesn’t use the prefix. If you think it is worthy, I’d be happy to open a feature request.

Ben Newlin

From: Bogdan-Andrei Iancu <bogdan at opensips.org>
Date: Thursday, April 12, 2018 at 4:02 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>, Ben Newlin <Ben.Newlin at genesys.com>
Subject: Re: [OpenSIPS-Users] xlog adding information to output

Hi Ben,

Yes, this change was done on purpose for logs consistency reasons. As when you log via syslog you will get *all* the time the process name, pid and data as suffix, we considered that printing to strerr should follow the same model and have *all* the time the same prefix for the messages.

Now, I guess you grep the logs by some sort of an application (before having them pushed as jsons for later processing) - maybe you can do some extra pre-processing the strip the prefix before parsing it as json.


Bogdan-Andrei Iancu

OpenSIPS Founder and Developer


OpenSIPS Summit 2018

On 04/06/2018 10:58 PM, Ben Newlin wrote:

Yet another question. ☺

We use the json module to structure our output to and then print using xlog. Our log consumer processes the json format and can process and index our logs.

It appears that in 2.x the xlog module now always prepends a date string and the process number before every log. This is causing the logs to not be valid json format and they are not parsed properly by our consumer.

I know that OpenSIPS’ internal logs always print in this format with the date and process number in front. Was this an intentional change to make xlog print this way as well? Can it be disabled in any way?

I’m pretty sure I remember someone else asking about this not too long ago but I couldn’t find the thread in the archive.

Ben Newlin


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