[openstack-dev] [python3] tempest and grenade conversion to python 3.6

Matt Riedemann mriedemos at gmail.com
Wed Sep 19 02:52:50 UTC 2018

On 9/18/2018 12:28 PM, Doug Hellmann wrote:
> What's probably missing is a version of the grenade job that allows us
> to control that USE_PYTHON3 variable before and after the upgrade.
> I see a few different grenade jobs (neutron-grenade,
> neutron-grenade-multinode,
> legacy-grenade-dsvm-neutron-multinode-live-migration, possibly others).
> Which ones are "current" and would make a good candidate as a base for a
> new job?

Grenade just runs devstack on the old side (e.g. stable/rocky) using the 
devstack stackrc file (which could have USE_PYTHON3 in it), runs tempest 
'smoke' tests to create some resources, saves off some information about 
those resources in a "database" (just an ini file), then runs devstack 
on the new side (e.g. master) using the new side stackrc file and 
verifies those saved off resources made it through the upgrade. It's all 
bash so there isn't anything python-specific about grenade.

I saw, but didn't comment on, the other thread about if it would be 
possible to create a grenade-2to3 job. I'd think that is pretty doable 
based on the USE_PYTHON3 variable. We'd just have that False on the old 
side, and True on the new side, and devstack will do it's thing. Right 
now the USE_PYTHON3 variable is global in devstack-gate [1] (which is 
the thing that orchestrates the grenade run for the legacy jobs), but 
I'm sure we could hack that to be specific to the base (old) and target 
(new) release for the grenade run.





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