Open Stack

Let me bump this old thread because we still need some follow-up about the
retirement of os-win.

I noticed that some projects have not yet deprecated the implementations
dependent on os-win.
I submitted a few patches to make these implementations deprecated so that
we can smoothly remove these
in the future.
 https://review.opendev.org/c/openstack/cinder/+/894237
 https://review.opendev.org/c/openstack/glance/+/894236
 https://review.opendev.org/c/openstack/ceilometer/+/894296
It'd be nice if the relevant teams can review these.

My remaining question is whether we should mark all implementations for
Windows support, which are not directly
dependent on os-win[1]. Technically we can go through individual projects
and add warning logs and release notes
about the deprecation. However I'm not too sure if that's worth the effort.
If we can agree that we remove support
for running OpenStack on Windows Operating System at a specific release,
then I tend to leave the ones independent
from os-win, unless it has any impact on user-facing items like config
options[1].

I'd like to hear any thoughts about this plan, as well as any target
release to remove Windows "host" support globally
from OpenStack (maybe after 2024.1 release ?).

[1] Some examples

https://github.com/openstack/ceilometer/blob/d31d4ed3574a5d19fe4b09ab2c227dba64da170a/ceilometer/cmd/polling.py#L95-L96

https://github.com/openstack/nova/blob/master/nova/virt/disk/api.py#L624-L625

[2] event_log option in oslo.log is one good example
https://review.opendev.org/c/openstack/oslo.log/+/894235

On Sat, Jun 24, 2023 at 7:50 AM Ghanshyam Mann <gmann at ghanshyammann.com>
wrote:

> As there is no volunteer to maintain this project, I have proposed the
> retirement
>
> - https://review.opendev.org/c/openstack/governance/+/886880
>
> -gmann
>
>  ---- On Thu, 13 Apr 2023 07:54:12 -0700  James Page  wrote ---
>  > Hi All
>  >
>  > As announced by Lucian last November (see [0]) Cloudbase Solutions are
> no longer in a position to maintain support for running OpenStack on
> Windows and have also ceased operation of their 3rd party CI for the
> windows support across a number of OpenStack projects.
>  > This situation has resulted in the Winstackers project becoming
> PTL-less for the 2023.2 cycle with no volunteers responding to the TC's
> call to fill this role and take this feature in OpenStack forward (see [1]).
>  > This is the final call for any maintainers to step forward if this
> feature is important to them in OpenStack.
>  > The last user survey in 2022 indicated that 2% of respondents were
> running on Hyper-V so this might be important enough to warrant a
> commitment from someone operating OpenStack on Windows to maintain these
> features going forward.
>  > Here is a reminder from Lucian's original email on the full list of
> projects which are impacted in some way: * nova hyper-v driver - in-tree
> plus out-of-tree compute-hyperv driver* os-win - common Windows library for
> Openstack* neutron hyperv ml2 plugin and agent* ovs on Windows and neutron
> ovs agent support* cinder drivers - SMB and Windows iSCSI* os-brick Windows
> connectors - iSCSI, FC, SMB, RBD* ceilometer Windows poller* manila Windows
> driver* glance Windows support* freerdp gateway
>  > The lack of 3rd party CI for testing all of this really needs to be
> addressed as well.
>  > If no maintainers are forthcoming between now and the next PTG in June
> the TC will need to officially retire the project and start the process of
> removing support for Windows across the various projects that support this
> operating system in some way - either directly or through the use of os-win.
>  > For clarity this call refers to the use of the Hyper-V virtualisation
> driver and associated Windows server components to provide WIndows based
> OpenStack Hypervisors and does not relate to the ability to run Windows
> images as guests on OpenStack.
>  > Regards
>  > James
>  > [0]
> https://lists.openstack.org/pipermail/openstack-discuss/2022-November/031044.html[1]
>
> https://lists.openstack.org/pipermail/openstack-discuss/2023-March/032888.html
>
>
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