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On 10/9/18 9:06 AM, Lance Bragstad wrote:
> Keystone is failing because it's missing a fix from oslo.messaging [0]. 
> That said, keystone is also relying on an internal implementation detail 
> in oslo.messaging by mocking it in tests [1]. The notification work has 
> been around in keystone for a *long* time, but it's apparent that we 
> should revisit these tests to make sure we aren't testing something that 
> is already tested by oslo.messaging if we're mocking internal 
> implementation details of a library.

This is actually the same problem Cinder and Glance had, it's just being 
hidden because there is an exception handler in Keystone that buried the 
original exception message in log output. 9.0.1 will get Keystone 
working too.

But mocking library internals is still naughty and you should stop that. :-P

> 
> Regardless, blacklisting version 9.0.0 will work for keystone, but we 
> can work around it another way by either rewriting the tests to not care 
> about oslo.messaging specifics, or removing them if they're obsolete.
> 
> [0] https://review.openstack.org/#/c/608196/
> [1] 
> https://git.openstack.org/cgit/openstack/keystone/tree/keystone/tests/unit/common/test_notifications.py#n1343
> 
> On Mon, Oct 8, 2018 at 10:59 PM Matthew Thode <prometheanfire at gentoo.org 
> <mailto:prometheanfire at gentoo.org>> wrote:
> 
>     several projects have had problems with the new release, some have ways
>     of working around it, and some do not.  I'm sending this just to raise
>     the issue and allow a place to discuss solutions.
> 
>     Currently there is a review proposed to blacklist 9.0.0, but if this is
>     going to still be an issue somehow in further releases we may need
>     another solution.
> 
>     https://review.openstack.org/#/c/608835/
> 
>     -- 
>     Matthew Thode (prometheanfire)
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