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

Doug Hellmann doug at doughellmann.com
Thu Aug 9 17:48:13 UTC 2018


Excerpts from Matt Riedemann's message of 2018-08-09 12:18:14 -0500:
> 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.
> 

What level should it be logged at in the policy library? Should it be
logged there at all?

Doug



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