[oslo][requirements][release] oslo.db lower-constraints job broken

Ben Nemec openstack at nemebean.com
Fri Mar 22 19:40:20 UTC 2019

On 3/22/19 2:38 PM, Matthew Thode wrote:
> On 19-03-22 14:32:01, Ben Nemec wrote:
>> Hi,
>> Our stable/stein patches in oslo.db are currently failing the
>> lower-constraints job due to [0]. I assume master has the same problem since
>> there haven't been any changes since branching. It looks like the problem is
>> that psycopg2 < 2.7 doesn't work with postgresql 10, and we're getting 10
>> now on bionic.
>> The simple solution is to bump the lower-constraint, but I'm not sure how
>> that's going to work for the stable branch since we can't change
>> requirements there. How do we proceed?
>> Thanks.
>> -Ben
>> 0: https://bugs.launchpad.net/oslo.db/+bug/1821400
> lower-constraints are controlled by each project individually.  You can
> raise the minimum version.  If you need to raise upper-constraints as
> well or add a globally known bad version to global-requirements then
> there'd need to be change in the requirements repo.

But we can't change lower-constraints without also updating the minimum 
requirement, which means we can't release the stable branch because it 
would require a feature release.

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