Open Stack

On 18/09/2014 7:11 PM, "Flavio Percoco" <flavio at redhat.com> wrote:
>
> Greetings,
>
> If I recall correctly, Heat was planning to adopt Zaqar regardless of
> the result of the graduation attempt (please correct me if I'm wrong).
> Based on this assumption, I'd like to start working on a plan forward to
> make this integration happen.
>
> So far, these are the use cases I've collected from past discussions:
>
> * Notify  heat user before an action is taken, and after - Heat may want
> to wait  for a response before proceeding - notifications not
> necessarily needed  and signed read-only queues might help, but not
> necessary
>     * For integrating with user's tools
>         * Monitoring
>         * Control surface
>         * Config management tools
>     * Does not require notifications and/or read-only/signed queue
endpoints
>         *[These may be helpful, but were not brought up in the discussion]
>     * Subscribe to an aggregate feed of interesting events from other
> open-stack components (such as Nova)
>         * Heat is often deployed in a different place than other
> components and doesn't have access to the AMQP bus
>         * Large  deployments consist of multiple AMQP brokers, and there
> doesn't seem to  be a nice way to aggregate all those events [need to
> confirm]
>     * Push metadata updates to os-collect-config agent running in
> servers, instead of having them poll Heat
>
>
> Few questions that I think we should start from:
>
> - Does the above list cover Heat's needs?
> - Which of the use cases listed above should be addressed first?

IMHO it would be great to simply replace the event store we have currently,
so that the user can get a stream of progress messages during the
deployment.

-Angus

> - Can we split the above into milestones w/ due dates?
>
>
> Thanks,
> Flavio
>
> --
> @flaper87
> Flavio Percoco
>
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