Open Stack

On Wed, 2013-11-27 at 11:41 -0600, Chris Friesen wrote:
> On 11/26/2013 07:48 PM, Vijay Venkatachalam wrote:
> > Hi,
> >
> >                  Is there a way for the VM to identify that it is
> > getting booted in OpenStack?
> >
> >                  As said in the below mail, once the VM knows it is
> > booting in OpenStack it will alter the boot sequence.
> 
> What does "getting booted in OpenStack" mean?  OpenStack supports 
> multiple hypervisors, so you could have something coming up via 
> kvm/vmware/Xen/baremetal/etc. but they're all "getting booted in OpenStack".
> 
> Chris

Usually guest can distinguish the hyper-visor underneath through cpuid,
which has some leaf preserved for hyper-visor usage. I think Vijay is
talking about distinguish the cloud environment like openstack or AWS,
but I'm not sure if that should go through the instance metadata.

--jyh