Doug Hellmann wrote: > > On Dec 2, 2014, at 5:41 PM, Alan Pevec <ape...@gmail.com> wrote: > >>>> General: cap Oslo and client library versions - sync from >>>> openstack/requirements stable/juno, would be good to include in >>>> the release. >>>> https://review.openstack.org/#/q/status:open+branch:stable/juno+topic:openstack/requirements,n,z >>> >>> +2, >>>> >>> let's keep all deps in sync. Those updates do not break anything >>> for existing users. >> >> Just spotted it, there is now proposal to revert caps in Juno: >> >> https://review.openstack.org/138546 >> >> Doug, shall we stop merging caps to projects in Juno? > > Today we found that when we have caps in place that do not overlap with the > versions used in master, we can’t upgrade services one at a time on a host > running multiple services. We didn’t have this problem between icehouse and > juno because I used the same cap values for both releases, so we didn’t > trigger any problems with grenade. > > One solution is to undo the caps and then add caps when we discover issues in > new versions of libraries and stable branches. Another is to require > applications to work with “old” versions of libraries and degrade their > feature set, so that we can keep the lower bounds overlapping. > > In retrospect, this issue with caps was obvious, but I don’t remember it > being raise in the planning. As Sean pointed out on IRC today, we should have > someone write a spec for changing the way we deal with requirements so we can > think about it before deciding what to do. > > After the releases today, the “no more alpha versions for Oslo” ship has > sailed. Removing the caps will at least let us move ahead while we figure out > what to do for stable branches.
Yes, looks like we need to think a bit deeper about it, and at the very least not ship them in the point release. +2 on the requirements revert. -- Thierry Carrez (ttx) _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
