[openstack-dev] [all][release][neutron][horizon] Publishing server projects to PyPI

Andreas Jaeger aj at suse.com
Fri Nov 17 16:51:36 UTC 2017

On 2017-11-17 17:27, Monty Taylor wrote:
> Hey everybody!
> tl;dr - We'd like to start publishing the server projects to PyPI
> Background
> ==========
> The move to Zuul v3 has highlighted an odd situation we're in with some
> of our projects, most notably neutron and horizon plugin projects.
> Namely, those plugins need to depend on neutron and horizon, but we do
> not publish neutron and horizon releases to PyPI.
> There are a couple of reasons why we haven't historically published
> server projects. We were concerned that doing so would 'encourage'
> installation of the services from pip. Also that, because it is pip and
> not dpkg/rpm/emerge there's no chance that 'pip install nova' will
> result in a functioning service. (It's worth noting that pip and PyPI in
> general were in a much different state 6 years ago than today - thanks
> dstufft for all the great work!)
> I think it's safe to say that the 'ship has sailed' on those two issues
> ... which is to say we're already well past the point of return on
> either issue. pip is used or not used by deployers as they see fit, and
> I don't think 'pip install nova' not producing a working nova isn't
> going to actually surprise anyone.
> Moving Forward
> ==============
> Before we can do anything, we need to update some of the release
> validation scripts to allow this (they currently double-check that we're
> doing the right things with the right type of project):
> https://review.openstack.org/#/c/521115/
> Once that's done, rather than doing a big-bang transition, the plan is
> to move server projects from using the release-openstack-server template
> to using the publish-to-pypi template as they are ready.
> This should simplify a great many things for horizon and neutron - and
> allow us to get rid of the horizon and neutron specific jobs and
> templates. There are a few gotchas we'll need to work through - notably
> there is another project there already named "Keystone" - although it
> seems not very used. I've reached out to the author to see if he's
> willing to relinquish. If he's not, we'll have to get creative.

One question on this: right now the dashboard and neutron plugins test
against current git head. Wouldn't installing from pypi mean that they
test against an older stable version?

 Andreas Jaeger aj@{suse.com,opensuse.org} Twitter: jaegerandi
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