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Namely, those plugins need to depend on neutron and horizon, but we do
not publish neutron and horizon releases to PyPI.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.
Thanks!
Monty
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