Open Stack

We implemented this with a custom filter that only chooses the nodes for
the proper instance types.
 -nld


On Tue, Jun 11, 2013 at 12:33 PM, Jonathan Proulx <jon at jonproulx.com> wrote:

>
> I remember having seen something somewhere in the the docs once about
> restricting what instances or possibly what flavors a compute node will
> run, but that was a long time ago and now that I want to do it I can't seem
> to find it, and pointers?
>
> what I'm going for:
>
> I have (or will have) a set of systems that I only want to run a VMs.  I
> don't want anything but those VMs on the nodes and I don't want the VMs on
> any other nodes.  It's not for GPUs but is similar to the GPU case the
> instance need the specific resource and I don't want to waste the limite
> resource on more generic images that don't require it.
>
> I can implement this as either a set of images or flavors.  Flavors seem
> more likely since using host aggregates and instance types it seems pretty
> clear how to make the flavor(s) run on a given set of nodes, but it's not
> so clear home (if?) I can prevent other flavors from running on them.
>
> Currently I'm running Folsom but this need will be implemented along with
> or after my Grizzly upgrade.
>
> Thanks,
> -Jon
>
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