[Openstack-operators] Using VMs as hypervisors for nova-docker

Paul Czarkowski pczarkowski+openstackops at bluebox.net
Tue Sep 1 12:59:41 UTC 2015

I have done similar in the past except I had some phys for novadocker, some
for regular kvm nova.   There should be no problem doing the novadocker
within VMs instead.  You can actually also run novadocker and nova on the
same phys host,  there's a blog post[1] that somebody wrote that details
the setup for it ...  from memory you have to run two nova-computes and two
neutron-agents with different settings to make it work.


On Mon, Aug 31, 2015 at 4:20 PM, Mike Smith <mismith at overstock.com> wrote:

> I’m still experimenting with containers with our Openstack Kilo
> installation.  Since I don’t necessarily need the feature set provided by
> Magnum, I was trying the (supposedly) simple nova-docker approach.
> However, I don’t want to dedicate an entire server for containers and I
> want the ability to migrate containers between physical servers for
> management purposes.
> It occurs to me that I should be able to configure a VM as a nova-docker
> hypervisor.  I should then get the advantages of being able to move that VM
> between physical nodes.  That way I also don’t have to dedicate an entire
> piece of hardware to nova-docker.
> Have others out there tried this approach?  I’d love to hear if this is
> something people are doing.
> Currently, I have software dependency issues trying to install and run RDO
> Kilo nova-compute on a CentOS 7 VM with Docker installed on it.  I plan to
> work through those issues, but if there is some reason that this just won’t
> work I’d love to spare myself some time.
> Thanks
> Mike Smith
> Principal Engineer / Cloud Team Lead
> Overstock.com
> _______________________________________________
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> OpenStack-operators at lists.openstack.org
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