[openstack-dev] Unified Guest Agent proposal
dmescheryakov at mirantis.com
Thu Dec 12 17:27:47 UTC 2013
Thanks for the suggestion, but hypervisor-dependent solution is exactly
what scares off people in the thread :-)
2013/12/11 Vladik Romanovsky <vladik.romanovsky at enovance.com>
> Maybe it will be useful to use Ovirt guest agent as a base.
> It is already working well on linux and windows and has a lot of
> However, currently it is using virtio-serial for communication, but I
> think it can be extended for other bindings.
> ----- Original Message -----
> > From: "Clint Byrum" <clint at fewbar.com>
> > To: "openstack-dev" <openstack-dev at lists.openstack.org>
> > Sent: Tuesday, 10 December, 2013 4:02:41 PM
> > Subject: Re: [openstack-dev] Unified Guest Agent proposal
> > Excerpts from Dmitry Mescheryakov's message of 2013-12-10 12:37:37 -0800:
> > > >> What is the exact scenario you're trying to avoid?
> > >
> > > It is DDoS attack on either transport (AMQP / ZeroMQ provider) or
> > > (Salt / Our own self-written server). Looking at the design, it doesn't
> > > look like the attack could be somehow contained within a tenant it is
> > > coming from.
> > >
> > We can push a tenant-specific route for the metadata server, and a tenant
> > specific endpoint for in-agent things. Still simpler than
> > guests. I haven't seen anybody ask for this yet, though I'm sure if they
> > run into these problems it will be the next logical step.
> > > In the current OpenStack design I see only one similarly vulnerable
> > > component - metadata server. Keeping that in mind, maybe I just
> > > overestimate the threat?
> > >
> > Anything you expose to the users is "vulnerable". By using the localized
> > hypervisor scheme you're now making the compute node itself vulnerable.
> > Only now you're asking that an already complicated thing (nova-compute)
> > add another job, rate limiting.
> > _______________________________________________
> > OpenStack-dev mailing list
> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the OpenStack-dev