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My apologies, I did not mean to make it sound like Stein did not support
python 3. My issues were not necessarily bugs. It was more
dependency issues I was working through and most of that is because I
do not use typical deployment methods like TrippleO, Kolla-ansible, etc. as
we build/maintain our own deployment tool. I just didn't have the time to
work through them and ended up reverting due to time constraints.

David

On Tue, Jun 2, 2020 at 1:36 PM Ghanshyam Mann <gmann at ghanshyammann.com>
wrote:

>  ---- On Tue, 02 Jun 2020 09:02:18 -0500 David Ivey <
> david.j.ivey at gmail.com> wrote ----
>  > For me, Stein still had a lot of issues with python3 when I tried to
> use it, but I had tried the upgrade shortly after Stein had released so
> those issues may have been resolved by now. I ended up reverting back to
> Rocky and python2.7,  My first real stable build with python3 was with the
> Train release on Ubuntu18.04, so I skipped the Stein release.
>
> We did migrate the upstream integration testing to Ubuntu 18.04 in Stein
> [1], so
> I feel stein should be fine on python3 until we are missing the scenario
> failing for you in our testing.
>
>  > Someone can correct me if I am wrong, but last I checked, CentOS 7 did
> not have the python3 packages in RDO. So if using CentOS 7; RDO does not
> have Ussuri and the latest release there is Train with python2.7. If using
> CentOS 8 and the Ussuri release; RDO released the python3 packages last
> week.
>  >  I have not tried Ussuri on CentOS 8 yet.
>  > David
>  > On Tue, Jun 2, 2020 at 8:25 AM Sean McGinnis <sean.mcginnis at gmx.com>
> wrote:
>  > On 6/2/20 6:34 AM, Neil Jerram wrote:
>  > > Does anyone know the most recent OpenStack version that
>  > > _can't_ easily be run with Python 3?  I think the full answer to this
>  > > may have to consider distro packaging, as well as the underlying code
>  > > support.
>  > >
>  > > For example, I was just looking at switching an existing Queens setup,
>  > > on Ubuntu Bionic, and it can't practically be done because all of the
>  > > scripts - e.g. /usr/bin/nova-compute - have a hashbang line that says
>  > > "python2".
>  > >
>  > > So IIUC Queens is a no for Python 3, at least in the Ubuntu packaging.
>  > >
>  > > Do you know if this is equally true for later versions than Queens?
>  > > Or alternatively, if something systematic was done to address this
>  > > problem in later releases?  E.g. is there a global USE_PYTHON3 switch
>  > > somewhere, or was the packaging for later releases changed to hardcode
>  > > "python3" instead of "python2"?  If so, when did that happen?
>
> USE_PYTHON3 in devstack was switched to True by default in Ussuri cycle,
> but we moved
> (unit test as well as integration tests) on python3 by default:
>
> - Unit tests (same as Sean already mentioned)-
> https://governance.openstack.org/tc/goals/selected/stein/python3-first.html
> - [1] Integration testing:
> http://lists.openstack.org/pipermail/openstack-discuss/2019-April/004647.html
>
> If something is failing with Stein on python 3 then I will suggest
> reporting the bug and we can check if that can be fixed.
>
> -gmann
>
>  > >
>  > Stein was the release where we had a cycle goal to get everyone using
>  > Python 3:
>  >
>  >
> https://governance.openstack.org/tc/goals/selected/stein/python3-first.html
>  >
>  > Part of the completion criteria for that goal was that all projects
>  > should, at a minimum, be running py3.6 unit tests. So a couple of
>  > caveats there - unit tests don't always identify issues that you can run
>  > in to actually running full functionality, and not every project was
>  > able to complete the cycle goal completely. Most did though.
>  >
>  > So I think Stein likely should work for you, but of course Train or
>  > Ussuri will have had more time to identify any missed issues and the
> like.
>  >
>  > I hope this helps.
>  >
>  > Sean
>  >
>  >
>  >
>
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