[openstack-dev] [goals][python3] mixed versions?
chris.friesen at windriver.com
Wed Sep 12 22:52:16 UTC 2018
On 9/12/2018 12:04 PM, Doug Hellmann wrote:
>> This came up in a Vancouver summit session (the python3 one I think). General consensus there seemed to be that we should have grenade jobs that run python2 on the old side and python3 on the new side and test the update from one to another through a release that way. Additionally there was thought that the nova partial job (and similar grenade jobs) could hold the non upgraded node on python2 and that would talk to a python3 control plane.
>> I haven't seen or heard of anyone working on this yet though.
> IIRC, we also talked about not supporting multiple versions of
> python on a given node, so all of the services on a node would need
> to be upgraded together.
As I understand it, the various services talk to each other using
over-the-wire protocols. Assuming this is correct, why would we need to
ensure they are using the same python version?
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