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

[Omer Frenkel]

----- Original Message -----
> From: "Yaniv Kaul" <ykaul at redhat.com>
> To: engine-devel at ovirt.org
> Sent: Monday, January 9, 2012 9:36:34 AM
> Subject: [Engine-devel] Is there a 'Can run this VM?' query
> 
> 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.
> Y.
>

there is no such query currently,
the answer to this question actually is lots of other questions (status, storage, host availability and more)
BUT i think its rather easy creating such a query (though caller need to remember it might be a long one)
 
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