Hey folks,
Before we bump the agreed upon[1] minimum versions for libvirt and QEMU
for 'Stein', we need to do the tedious work of picking the NEXT_MIN_*
versions for the 'T' (which is still in the naming phase) release, which
will come out in the autumn (Sep-Nov) of 2019.
Proposal
--------
Looking at the DistroSupportMatrix[2], it seems like we can pick the
libvirt and QEMU versions supported by the next LTS release of Ubuntu --
18.04; "Bionic", which are:
libvirt: 4.0.0
QEMU: 2.11
Debian, Fedora, Ubuntu (Bionic), openSUSE currently already ship the
above versions. And it seems reasonable to assume that the enterprise
distribtions will also ship the said versions pretty soon; but let's
double-confirm below.
Considerations and open questions
---------------------------------
(a) KVM for IBM z Systems: John Garbutt pointed out[3] on IRC that:
"IBM announced that KVM for IBM z will be withdrawn, effective March
31, 2018 [...] development will not only continue unaffected, but
the options for users grow, especially with the recent addition of
SuSE to the existing support in Ubuntu."
The message seems to be: "use a regular distribution". So this is
covered, if we a version based on other distributions.
(b) Oracle Linux: Can you please confirm if you'll be able to
release libvirt and QEMU to 4.0.0 and 2.11, respectively?
(c) SLES: Same question as above.
Assuming Oracle Linux and SLES confirm, please let us know if there are
any objections if we pick NEXT_MIN_* versions for the OpenStack 'T'
release to be libvirt: 4.0.0 and QEMU: 2.11.
* * *
A refresher on libvirt and QEMU release schedules
-------------------------------------------------
- There will be at least 12 libvirt releases (_excluding_ maintenance
releases) by Autumn 2019. A new libvirt release comes out every
month[4].
- And there will be about 4 releases of QEMU. A new QEMU release
comes out once every four months.
[1] http://git.openstack.org/cgit/openstack/nova/commit/?h=master&id=28d337b
-- Pick next minimum libvirt / QEMU versions for "Stein"
[2] https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix
[3] http://kvmonz.blogspot.com/2017/03/kvm-for-ibm-z-withdrawal.html
[4] https://libvirt.org/downloads.html#schedule
--
/kashyap
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