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Yup, all that should be needed is to read the docs and adjust it.

"once" - print only the first occurrence of matching warnings, 
regardless of location

"always" - always print matching warnings

Changing it to 'once' should gather less repeated logs; IMHO 'always' 
should never be used, so that was probably just a mistake for whoever 
committed that fixture with it set like that.

-Josh

Davanum Srinivas wrote:
> Graham, Sławek,
>
> Have you seen this?
>
> Neutron has/uses a WarningFixture:
> http://git.openstack.org/cgit/openstack/neutron/tree/neutron/tests/base.py#n161
> http://git.openstack.org/cgit/openstack/neutron/tree/neutron/tests/tools.py#n70
>
> Which uses filterwarnings:
> http://git.openstack.org/cgit/openstack/neutron/tree/neutron/tests/tools.py#n80
>
> Where "always" is being used:
> https://docs.python.org/2/library/warnings.html
>
> Which prints warnings every single time.
>
> So, can we please "fix" it in there quickly?
>
> Thanks,
> Dims
>
> On Sat, Jan 28, 2017 at 6:46 PM, Sławek Kapłoński<slawek at kaplonski.pl>  wrote:
>> Hello,
>>
>> Thanks. I just filled bug report to oslo project:
>> https://bugs.launchpad.net/oslo.context/+bug/1660088
>>
>> --
>> Best regards / Pozdrawiam
>> Sławek Kapłoński
>> slawek at kaplonski.pl
>>
>> On Sat, 28 Jan 2017, Hayes, Graham wrote:
>>
>>> On 28/01/17 20:54, Sławek Kapłoński wrote:
>>>> Hello,
>>>>
>>>> I pushed today patch in Neutron to gerrit [1] and I noticed that functional
>>>> tests are failing. In logs there is huge number of deprecation warnings
>>>> displayed [2]. Tests are failing because of global timeout is reached and IMO
>>>> reason of this timeout is this huge amount of deprecation warnings.
>>>> I checked that those warnings are disaplyed when oslo.context==2.12.0 is
>>>> installed. With oslo.context==2.11.0 all is fine.
>>>> Should it be reported as bug in Neutron or in Oslo project? Or maybe You
>>>> already know about it and there is some patch to fix it but I couldn't find it?
>>> Its an oslo.context bug - I can't see one filed for it yet.
>>>> [1] https://review.openstack.org/#/c/426429/
>>>> [2] http://logs.openstack.org/29/426429/3/check/gate-neutron-dsvm-functional-ubuntu-xenial/7079dc5/console.html
>>>>
>>> It looks like the warnings function was miss used - this should be set
>>> as a once only message. The stack trace level seems suspect, as it
>>> points as neutron/context.py as the one sending out the notice, not
>>> oslo.contexts base class.
>>>
>>> [3] seems to the cause - I would suggest reverting this commit and
>>> doing a 2.13.0 release. This is going to be *really* noisy. (logstash
>>> has 2.5 million items for this string in the last 24 hours)
>>>
>>> 3 -
>>> https://github.com/openstack/oslo.context/commit/f25543fcc792ebf155728a91fde06e8dc4e96cea
>>>
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>
>