The minimum required version of libvirt in the driver is 0.9.11 still
[1]. We've been gating against 1.2.2 in Ubuntu Trusty 14.04 since Juno.
The libvirt distro support matrix is here: [2]
Can we safely assume the people aren't going to be running Libvirt
compute nodes on RHEL < 7.1 or Ubuntu Precise?
Regarding RHEL, I think this is a safe bet because in Kilo nova dropped
python 2.6 support and RHEL > 6 doesn't have py26 so you'd be in trouble
running kilo+ nova on RHEL 6.x anyway.
There are some workarounds in the code [3] I'd like to see removed by
bumping the minimum required version.
[1]
http://git.openstack.org/cgit/openstack/nova/tree/nova/virt/libvirt/driver.py?id=2015.1.0#n335
[2] https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix
[3]
http://git.openstack.org/cgit/openstack/nova/tree/nova/virt/libvirt/host.py?id=2015.1.0#n754
--
Thanks,
Matt Riedemann
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