<p dir="ltr"><br>
On 18/09/2014 7:11 PM, "Flavio Percoco" <<a href="mailto:flavio@redhat.com">flavio@redhat.com</a>> wrote:<br>
><br>
> Greetings,<br>
><br>
> If I recall correctly, Heat was planning to adopt Zaqar regardless of<br>
> the result of the graduation attempt (please correct me if I'm wrong).<br>
> Based on this assumption, I'd like to start working on a plan forward to<br>
> make this integration happen.<br>
><br>
> So far, these are the use cases I've collected from past discussions:<br>
><br>
> * Notify heat user before an action is taken, and after - Heat may want<br>
> to wait for a response before proceeding - notifications not<br>
> necessarily needed and signed read-only queues might help, but not<br>
> necessary<br>
> * For integrating with user's tools<br>
> * Monitoring<br>
> * Control surface<br>
> * Config management tools<br>
> * Does not require notifications and/or read-only/signed queue endpoints<br>
> *[These may be helpful, but were not brought up in the discussion]<br>
> * Subscribe to an aggregate feed of interesting events from other<br>
> open-stack components (such as Nova)<br>
> * Heat is often deployed in a different place than other<br>
> components and doesn't have access to the AMQP bus<br>
> * Large deployments consist of multiple AMQP brokers, and there<br>
> doesn't seem to be a nice way to aggregate all those events [need to<br>
> confirm]<br>
> * Push metadata updates to os-collect-config agent running in<br>
> servers, instead of having them poll Heat<br>
><br>
><br>
> Few questions that I think we should start from:<br>
><br>
> - Does the above list cover Heat's needs?<br>
> - Which of the use cases listed above should be addressed first?</p>
<p dir="ltr">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.</p>
<p dir="ltr">-Angus</p>
<p dir="ltr">> - Can we split the above into milestones w/ due dates?<br>
><br>
><br>
> Thanks,<br>
> Flavio<br>
><br>
> --<br>
> @flaper87<br>
> Flavio Percoco<br>
><br>
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