[blazar][release][requirements] blazar-nova and nova requirements

Előd Illés elod.illes at est.tech
Wed Mar 16 13:11:27 UTC 2022


Sorry for the late answer.

First of all we are in library freeze period already and blazar-nova is 
currently marked as library. Though a Requirements Freeze Exception 
might be granted (would need to check with Matthew), I think it's not 
necessary. This is mostly a problem when distros do their packaging, but 
I guess due to nova's lower constraints change they already need to use 
the higher minimums.

Some more comments:
- though requirements shouldn't be changed on stable branches in 
general, i think this can be backported *after* the final yoga release 
(to unblock the gate)
- I think release model change is OK and can be proposed for Zed cycle



On 2022. 03. 04. 17:36, Pierre Riteau wrote:
> Hello release team,
> blazar-nova is a package including a nova scheduler filter, which must 
> be installed together with nova to be used.
> The blazar-nova deliverable for Yoga was tagged with 2.4.0 at the time 
> of the final release for non-client libraries. A few days ago, 
> stable/yoga patches were automatically proposed. This is when I 
> discovered that the lower-constraints job was broken because nova 
> bumped some requirements / lower-constraints after we released [1] 
> [2]. Because blazar-nova and nova are installed together, we keep our 
> requirements in sync for testing purposes.
> Now, I believe it is just the lower-constraints testing that is 
> broken, since nova requirements are still compatible with what 
> blazar-nova requires: nova just requires more recent versions of some 
> packages. I can run "pip install blazar-nova 
> git+https://opendev.org/openstack/nova.git@master#egg=nova" fine.
> I fixed the issue on the blazar-nova master branch [3] and proposed a 
> backport to stable/yoga [4], but realised this was probably breaking 
> release policy.
> Should we leave stable/yoga as released and just drop the 
> lower-constraints job?
> As an aside, would it be possible to requalify blazar-nova as a 
> cycle-with-rc deliverable for the next release? It is typed as a 
> library but nothing depends on it: if anything, it depends on nova itself.
> Thanks,
> Pierre Riteau (priteau)
> [1] https://review.opendev.org/c/openstack/nova/+/712139
> [2] https://review.opendev.org/c/openstack/nova/+/821606
> [3] https://review.opendev.org/c/openstack/blazar-nova/+/831741
> [4] https://review.opendev.org/c/openstack/blazar-nova/+/831832

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