[Openstack-operators] [nova] Can we bump MIN_LIBVIRT_VERSION to 1.2.2 in Liberty?

Matt Riedemann mriedem at linux.vnet.ibm.com
Thu May 14 21:33:18 UTC 2015



On 5/14/2015 3:35 PM, Matt Riedemann wrote:
>
>
> On 5/14/2015 2:59 PM, Kris G. Lindgren wrote:
>> How would this impact someone running juno nova-compute on rhel 6 boxes?
>> Or installing the python2.7 from SCL and running kilo+ code on rhel6?
>>
>> For [3] it couldn't we get the exact same information from /proc/cpuinfo?
>> ____________________________________________
>>
>> Kris Lindgren
>> Senior Linux Systems Engineer
>> GoDaddy, LLC.
>>
>>
>>
>> On 5/14/15, 1:23 PM, "Matt Riedemann" <mriedem at linux.vnet.ibm.com> wrote:
>>
>>> 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.p
>>>
>>> y?id=2015.1.0#n754
>>>
>>> --
>>>
>>> Thanks,
>>>
>>> Matt Riedemann
>>>
>>>
>>> _______________________________________________
>>> OpenStack-operators mailing list
>>> OpenStack-operators at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>>
>
> This would be Liberty, so when you upgrade nova-compute to Liberty you'd
> also need to upgrade the host OS to something that supports libvirt >=
> 1.2.2.
>

Here is the patch to see what this would look like:

https://review.openstack.org/#/c/183220/

-- 

Thanks,

Matt Riedemann




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