Apologies for the delayed responses. Comments inline.

On 01/27/2016 02:29 AM, Dhvanan Shah wrote:
Hey Jay!

Thanks for the clarification. There was another thing that I wanted to
know, is there any provision to pass extra arguments or some extra
specifications along with the VM request to nova. To give you some
context, I wanted to pass a host:vm mapping to the nova scheduler for
its host selection process, and I'm providing this mapping from outside
of the openstack architecture.

Why do you want to do this? The scheduler is the thing that sets the host -> vm mapping -- that's what the process of scheduling does.

> So I need to send this information along
with the request to the scheduler. One way of doing this was creating
new flavors with their extra specification as different hosts, but that
would lead to as you pointed out earlier a "flavor explosion" problem.

So is there a way to pass some extra arguments or some additional
information to nova.

Depends what exactly you are trying to pass to Nova. Could you give some more information about your use case?

Thanks!
-jay

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