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Re: [libvirt] [PATCH RFC] Remove the Open Nebula driver


Thanks for the headup. We totally agree with the reasoning in the
thread. In fact, the last version of OpenNebula is not compatible with
the libvirt driver. We planned to propose the removal of the
OpenNebula driver, and focus our efforts in the DeltaCloud adapter. So
please go ahead and remove the OpenNebula driver.

Best Regards


On Tue, Mar 22, 2011 at 8:06 PM, Eric Blake <eblake redhat com> wrote:
> [trying a different address]
> On 03/22/2011 12:58 PM, Eric Blake wrote:
>> On 03/22/2011 10:23 AM, Daniel P. Berrange wrote:
>>> The Open Nebula driver has been unmaintained since it was first
>>> introduced. The only commits have been for tree-wide cleanups.
>>> It also has a major design flaw, in that it only knows about guests
>>> that it has created itself, which makes it of very limited use.
>>> Discussions wrt evolution of the VMWare ESX driver, concluded that
>>> it should limit itself to single-node ESX operation and not try to
>>> manage the multi-node architecture of VirtualCenter. Open Nebula
>>> is a cluster like Virtual Center, not a single node system, so
>>> reasoning applies.
>> s/so reasoning/so the same reasoning/
>>> The DeltaCloud project includes an Open Nebula driver and is a much
>>> better fit architecturally, since it is explicitly targetting the
>>> distributed multihost cluster scenario.
>>> Thus this patch deletes the libvirt Open Nebula driver with the
>>> recommendation that people use DeltaCloud for managing it instead.
>> Given your arguments, I'm okay with the idea, but like Laine pointed
>> out, it might be wise to get feedback from the opennebula guys first
>> (commit b811851 shows that Abel Míguez Rodríguez was the original
>> contributor in May 2009, now in cc).
> Direct mail to Abel bounced; now trying the address from
> http://opennebula.org/about:contact.  For reference, this is from a
> thread starting at:
> https://www.redhat.com/archives/libvir-list/2011-March/msg01030.html
> On 03/22/2011 12:08 PM, Laine Stump wrote:
>> I knew nothing about Open Nebula, so I went searching. I noticed the
>> following on its about page:
>> *"User Interfaces*: Unix-like command line and libvirt interface for the
>> management of the cloud infrastructure"
>> (http://opennebula.org/documentation:features)
>> Since they're claiming the libvirt driver as a feature, they will
>> probably have something to say about this removal. At the very least
>> they'll want to point to the DeltaCloud driver instead of libvirt.
> --
> Eric Blake   eblake redhat com    +1-801-349-2682
> Libvirt virtualization library http://libvirt.org

Dr. Ruben Santiago Montero
Associate Professor (Profesor Titular), Complutense University of Madrid

URL: http://dsa-research.org/doku.php?id=people:ruben
Weblog: http://blog.dsa-research.org/?author=7

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