[openstack-dev] [all] stable/mitaka CI failures (ImportError: No module named vine.five)

Jason Johnson spligak at gmail.com
Thu Dec 8 22:53:16 UTC 2016

On Thu, Dec 8, 2016 at 4:27 PM, Matt Riedemann <mriedem at linux.vnet.ibm.com>

> On 12/8/2016 4:18 PM, Jason Johnson wrote:
>> On Thu, Dec 8, 2016 at 3:48 PM, Matt Riedemann
>> <mriedem at linux.vnet.ibm.com <mailto:mriedem at linux.vnet.ibm.com>> wrote:
>>     On 12/8/2016 1:03 PM, Ian Cordasco wrote:
>>         If your project were using constraints, you would not run into
>> this
>>         problem.
>>     I'd like to stress this point. This was the solution for getting
>>     glance patches to land in stable/liberty today:
>>     https://review.openstack.org/#/q/status:merged+project:opens
>> tack/glance+branch:stable/liberty+topic:liberty-constraints
>>     <https://review.openstack.org/#/q/status:merged+project:open
>> stack/glance+branch:stable/liberty+topic:liberty-constraints>
>>     So that we can end of life the stable/liberty branch for Glance.
>>     Dealing with blacklisting patches is a whack-a-mole approach to deal
>>     with the lack of upper-constraints usage in a repo, so the first
>>     solution should be to get upper-constraints used in the stable
>>     branches on projects (or master for that matter).
>> Exactly. Deploying from a source stable branch should be viable - as it
>> stands, it is not. One of the tenets of a stable branch must be
>> repeatable from-source builds.
>> Right now I have "effective pins" in my mitaka Ansible playbooks for
>> kombu and keystonemiddleware. This latest kombu kerfuffle broke
>> stable/mitaka glance, neutron and nova for me. Keystone broke a few days
>> ago.
>> Is there an existing effort or blueprint or whatever being worked on for
>> pinning (or at a minimum setting upper bounds on) dependencies in stable
>> branches? If so, I would like to follow and/or participate.
> Nova already uses upper-constraints for tox jobs (unit tests) in
> stable/mitaka:
> https://github.com/openstack/nova/blob/stable/mitaka/tox.ini#L12
> devstack has been using upper-constraints for installing from pypi for a
> few releases now.
> So the things that need to be using upper-constraints are deployment
> projects, and packagers for that matter. There have been numerous threads
> in the openstack-dev mailing list over the last year and a half about
> requirements/dependency management, pinning, capping, running in
> containers, running in venvs, etc etc etc. The upper-constraints solution
> is what we're using in the upstream CI right now and it's the known good
> list of packages that a given release is tested against upstream (note we
> don't test against the minimum supported versions listed in the
> global-requirements file which is what goes into the project repo's
> requirements.txt file, so those minimums might not even work).
Thank you for the link and explanation. I had no idea these constraints
files existed. I will incorporate them into my playbooks and see if that
smooths out my experience deploying from source.

The constraints file, for those following along:

Used like this:
pip install -r requirements.txt -c upper-constraints.txt

Further reading:

Thanks again.

> --
> Thanks,
> Matt Riedemann
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