python_requires >= 3.8 during Yoga

Zane Bitter zbitter at
Wed Dec 1 15:13:02 UTC 2021

On 26/11/21 10:29, Ghanshyam Mann wrote:
>   ---- On Fri, 26 Nov 2021 09:20:39 -0600 Dmitry Tantsur <dtantsur at> wrote ----
>   >
>   >
>   > On Fri, Nov 26, 2021 at 3:35 PM Jeremy Stanley <fungi at> wrote:
>   > On 2021-11-26 14:29:53 +0100 (+0100), Dmitry Tantsur wrote:
>   > [...]
>   > > CentOS/RHEL ships 3.6 and a limited version of 3.8 and 3.9.
>   > [...]
>   >
>   > Is this still true for CentOS Stream 9? The TC decision was to
>   > support that instead of CentOS Stream 8 in Yoga.
>   >
>   > No. But Stream 9 is pretty much beta, so it's not a replacement for us (and we don't have nodes in nodepool with it even yet?).
> I think here is the confusion. In TC, after checking with centos team impression was CentOS stream 9 is released and that is
> what we should update In OpenStack testing. And then only we updated the centos stream 8 -> 9 and dropped py3.6 testing
> -

The guidelines the TC have set are not that something exists, but that 
it is a stable LTS release. Debian sid, Ubuntu 20.10, Fedora rawhide, 
and OpenSUSE Tumbleweed all exist, but nobody mistakes them for stable 
LTS releases. It's not clear to me why CentOS Stream is the only distro 
being treated differently.

The only difference is there is no plan for a CentOS-branded release to 
define a point in time where Stream 9 becomes an LTS release. However, 
other parties do have such plans, but pointedly have not done so: RHEL9 
is in beta; Rocky Linux, Alma Linux, and Oracle Linux are all yet to 
release a version based on Stream 9.

Presumably RDO folks were consulted about this decision and were OK with 
the time frame. However, there are other users out there, and from a 
Metal³ perspective this is a giant PITA, requiring us to move from a LTS 
distro to a beta one, that was dropped on us in the middle of a release 
cycle in flagrant violation of the TC's own guidelines that the stable 
distibutions must be chosen from among those available at the 
*beginning* of the release cycle (which CentOS Stream 9 was not).


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