[openstack-dev] Proposed Logging Standards

Sean Dague sean at dague.net
Wed Jan 29 11:59:10 UTC 2014


On 01/28/2014 10:53 PM, Vishvananda Ishaya wrote:
> 
> On Jan 27, 2014, at 6:57 PM, Christopher Yeoh <cbkyeoh at gmail.com
> <mailto:cbkyeoh at gmail.com>> wrote:
> 
>> On Tue, Jan 28, 2014 at 12:55 AM, Sean Dague <sean at dague.net
>> <mailto:sean at dague.net>> wrote:
>>
>>     On 01/27/2014 09:07 AM, Macdonald-Wallace, Matthew wrote:
>>     > Hi Sean,
>>     >
>>     > I'm currently working on moving away from the "built-in" logging
>>     to use log_config=<filename> and the python logging framework so
>>     that we can start shipping to logstash/sentry/<insert other useful
>>     tool here>.
>>     >
>>     > I'd be very interested in getting involved in this, especially
>>     from a "why do we have log messages that are split across multiple
>>     lines" perspective!
>>
>>     Do we have many that aren't either DEBUG or TRACE? I thought we were
>>     pretty clean there.
>>
>>     > Cheers,
>>     >
>>     > Matt
>>     >
>>     > P.S. FWIW, I'd also welcome details on what the "Audit" level
>>     gives us that the others don't... :)
>>
>>     Well as far as I can tell the AUDIT level was a prior drive by
>>     contribution that's not being actively maintained. Honestly, I
>>     think we
>>     should probably rip it out, because I don't see any in tree tooling to
>>     use it, and it's horribly inconsistent.
>>
>>
>> For the uses I've seen of it in the nova api code INFO would be
>> perfectly fine in place of AUDIT.
> 
> +1 AUDIT was added for a specific NASA use case because we needed a
> clean feed of important actions for security compliance and many
> upstream libraries were putting out INFO logs that we did not want
> included.  Safe to rip it out IMO.

Cool.

Thanks for the context Vish, very helpful in understanding why some of
this stuff is there so we can unwind it sanely.

	-Sean

-- 
Sean Dague
Samsung Research America
sean at dague.net / sean.dague at samsung.com
http://dague.net

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