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Help if you actually attach the link you want to send [0].

[0] https://bugs.launchpad.net/keystone/+bug/1702211

On 08/11/2017 11:26 AM, Morgan Fainberg wrote:
> On Fri, Aug 11, 2017 at 9:25 AM, Morgan Fainberg
> <morgan.fainberg at gmail.com> wrote:
>> On Fri, Aug 11, 2017 at 8:44 AM, Felipe Monteiro
>> <felipe.carneiro.monteiro at gmail.com> wrote:
>>> Patrole tests occasionally fail while executing tests that test the
>>> Identity v3 Extensions API [0]. Previously, this was not the case when
>>> we used Fernet tokens and used a time.sleep(1) to allow for
>>> role-switching to work correctly. However, we recently changed over to
>>> UUID tokens in the Patrole gates to avoid doing a time.sleep(1), as a
>>> time efficiency change. Ordinarily -- for well over 500 or so tests --
>>> this approach works successfully, with the exception of what appears
>>> to be *random* v3 API extension tests [1][2] (random means different
>>> tests pass or fail randomly across separate test runs).
>>>
>>> While there are a few solutions that come to mind on how to solve this
>>> Patrole-side (like re-introducing a time.sleep() for specific APIs or
>>> even avoiding role-switching altogether which is not as
>>> straightforward as it sounds), we would still not understand *why* the
>>> issue is happening in the first place. Is it a data-race condition?
>>> Something specific to the identity v3 extensions API? A potential bug
>>> or intended behavior somewhere?
>>>
>>> [0] https://developer.openstack.org/api-ref/identity/v3-ext/
>>> [1] http://status.openstack.org/openstack-health/#/test/patrole_tempest_plugin.tests.api.identity.v3.test_ep_filter_groups_rbac.EndpointFilterGroupsV3RbacTest.test_create_endpoint_group
>>> [2] http://logs.openstack.org/41/490641/3/gate/gate-tempest-dsvm-patrole-py35-member-ubuntu-xenial/be95da4/console.html#_2017-08-11_14_47_57_515906
>>>
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>> Are your tests causing token revocations? if so, there is a case where
>> a revocation event is issued in the same second as a token (we've seen
>> similar cases even in fernet) meaning the token is invalid when it is
>> issued according to keystone. It's a long running bug.
>>
>> For the record, UUID tokens are deprecated and slated for removal in
>> the R release. I recommend reverting to using Fernet tokens sooner
>> rather than later.
>>
>> Last of all, the endpoint-filtering is generally not a great tool to
>> use. I highly recommend not using it (or encouraging the use of it),
>> it makes the catalog different depending on scope and provides zero
>> added security benefit (anyone who knows the endpoint can use it
>> anyway).
> I am spinning up a change for Pike RC (right now) to address the
> revocations occurring in the same second as the issuance of the token
> (similar to a bug with password updates, which will also be fixed).
>
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> OpenStack Development Mailing List (not for usage questions)
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