[openstack-dev] [nova][placement][oslo] Excessive WARNING level log messages in placement-api

Matt Riedemann mriedemos at gmail.com
Thu Aug 9 17:18:14 UTC 2018


On 8/9/2018 11:47 AM, Doug Hellmann wrote:
> Excerpts from Jay Pipes's message of 2018-08-08 22:53:54 -0400:
>> For evidence, see:
>>
>> http://logs.openstack.org/41/590041/1/check/tempest-full-py3/db08dec/controller/logs/screen-placement-api.txt.gz?level=WARNING
>>
>> thousands of these are filling the logs with WARNING-level log messages,
>> making it difficult to find anything:
>>
>> Aug 08 22:17:30.837557 ubuntu-xenial-inap-mtl01-0001226060
>> devstack at placement-api.service[14403]: WARNING py.warnings
>> [req-a809b022-59af-4628-be73-488cfec3187d
>> req-d46cb1f0-431f-490f-955b-b9c2cd9f6437 service placement]
>> /usr/local/lib/python3.5/dist-packages/oslo_policy/policy.py:896:
>> UserWarning: Policy placement:resource_providers:list failed scope
>> check. The token used to make the request was project scoped but the
>> policy requires ['system'] scope. This behavior may change in the future
>> where using the intended scope is required
>> Aug 08 22:17:30.837800 ubuntu-xenial-inap-mtl01-0001226060
>> devstack at placement-api.service[14403]:   warnings.warn(msg)
>> Aug 08 22:17:30.838067 ubuntu-xenial-inap-mtl01-0001226060
>> devstack at placement-api.service[14403]:
>>
>> Is there any way we can get rid of these?
>>
>> Thanks,
>> -jay
>>
> It looks like those are coming out of the policy library? Maybe file a
> bug there. I added "oslo" to the subject line to get the team's
> attention.
> 
> This feels like something we could fix and backport to rocky.
> 
> Doug

I could have sworn I created a bug in oslo.policy for this at one point 
for the same reason Jay mentions it, but I guess not.

We could simply, on the nova side, add a warnings filter to only log 
this once.

-- 

Thanks,

Matt



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