Open Stack

Interesting discussion. Forwarding to openstack-dev.


On Wed, Apr 16, 2014 at 9:34 AM, Prashant Upadhyaya <
prashant.upadhyaya at aricent.com> wrote:

>  Hi,
>
>
>
> I am writing a Compute Node Simulator.
>
> The idea is that I would write a piece of software using C which honors
> the RabbitMQ interface towards the Controller, but will not actually do the
> real thing - everything on the Compute Node will be simulated by my
> simulator software.
>
>
>
> The  problem I am facing, that I have not been able to get my simulated CN
> listed in the output of
>
> nova-manage service list
>
>
>
> I am on Havana, and my simulator is sending a periodic  'service_update'
> and 'compute_node_update' RPC messages to the 'nova' exchange and the
> 'conductor' routing key.
>
> I can manipulate the above messages at will to fool the controller.
>
> (I observe the messages from a real CN and take cues from there to
> construct a fake one from my simulator)
>
>
>
> Question is - what causes the controller to add a new Nova Compute in its
> database, is it the 'service_update' RPC or something else.
>
>
>
> Hopefully you can help me reverse engineer the interface.
>
>
>
> Regards
>
> -Prashant
>
>
>
>
>
>
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