On Wed, Sep 16, 2015 at 5:03 PM, Clint Byrum <cl...@fewbar.com> wrote:
> Excerpts from Andrew Bogott's message of 2015-09-16 10:03:48 -0700: > > My users are mostly happy with VMs, but I get occasional requests for > > physical hardware in order to host databases, run performance tests, > > etc. I'd love to rack a dozen small servers and graft the ironic > > service onto my existing cloud in order to fulfill these sporadic > > needs. I'm given pause, though, by this doc section: > > > > > http://docs.openstack.org/developer/ironic/deploy/install-guide.html#configure-compute-to-use-the-bare-metal-service > > > > For example, this: > > > > compute_driver=nova.virt.ironic.IronicDriver > > > > > > That would have me changing nova settings in such a way that would > > clearly make nova /only/ support bare-metal, disabling its > > virtualization facilities. Does that mean that bare metal is really an > > either/or proposition, or is there some way to make bare metal and virt > > services coexist on a single nova installation? Or is there an > > in-between option that involves installing a second nova stack on > > different nodes with a different config? > > > > -- Bonus Question -- > > > > I'm still using nova-network. Is anyone using ironic without neutron? > > Or, if not, is that at least theoretically possible? > > > > Yes, you need to use host aggregates. You would put the ironic compute > hosts into an aggregate, and all of the other compute hosts into another, > and then have the extra_specs in the flavor set to whichever aggregate > you want the instance to go to. > > This can definitely get a little tricky with the networking if you're > using overlays, since Ironic can't really attach a hardware node to a > software managed L2 network, but you can just make sure users understand > which networks will be available on which flavors and that should work. > The response I got a few days ago was to use host aggregates with the hypervisor_type property for choosing where to start the instance: http://lists.openstack.org/pipermail/openstack-dev/2015-September/073530.html As you can tell from my original post, I'm not an authority on Ironic. But I've seen no mention of Ironic supporting nova networking anywhere.
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