[Engine-devel] Is there a 'Can run this VM?' query

[Itamar Heim]

On 01/09/2012 09:36 AM, Yaniv Kaul wrote:
> Beaker automated test system (http://fedoraproject.org/wiki/QA/Beaker)
> would like to integrate with the project, via the REST API.
> Their main concern is that they'll provision VMs who would not be able
> to run on the ovirt setup.
> I think there are two cases here:
> 1. Provisioning a VM with X vCPUs, while there isn't a host available
> with such number of pCPUs (or similar in memory) - this is easier, as it
> can be 'calculated' from the setup beforehand and we can avoid such
> provisioning.
> 2. More difficult - in runtime, the hosts are over-committed and we
> cannot run a VM - can we, before trying to run a VM, ask if it's
> feasible? I know it's a point in time, and may be wrong in the next
> second, but if we go 'no' as an answer, it already provides good
> information to Beaker to continue and look elsewhere.

what about using the new quota feature to define a quota which will not 
overload the server and serve as a measure of SLA for them?