[openstack-dev] [Oslo] Stable Compat jobs on Oslo Libraries

Doug Hellmann doug at doughellmann.com
Fri Nov 21 14:20:40 UTC 2014

On Nov 20, 2014, at 4:39 PM, Matthew Treinish <mtreinish at kortar.org> wrote:

> Hi everyone,
> Earlier today https://review.openstack.org/136017 merged which adds stable
> compat jobs to most of the oslo libraries. This was done in reaction to 2
> separate incidents in the past 2 days where both oslo.vmware and taskflow landed
> changes that added new requirements which weren't in stable/icehouse global
> requirements. This broke all the stable/icehouse dsvm jobs, which basically
> blocked stable backports to icehouse, juno as well as all tempest and
> devstack-gate changes. (among other things)
> So in the short-term for future changes that add new requirements the
> requirements have to be added to stable global requirements before they change
> will be able to land on master. This has been the policy for all the libraries
> that installed from git on stable branches (the client libs have stable compat
> jobs for this reason) but was just not being enforced on oslo libs prior to
> 136017.

Are the jobs smart enough to realize that if a library wasn’t being used in a given stable branch, we don’t need to worry about adding requirements? For example, most of the libraries weren’t used in Icehouse so we shouldn’t need to ensure that new dependencies they add are compatible with the existing icehouse dependencies.


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