Open Stack

*TL;DR*
*How about a forum in Berlin for discussing autoscaling integration (as a
long-term goal) in OpenStack?*


Hi all, as we start to discuss how can we join develop from Heat and Senlin
as we originally planned when we decided to fork Senlin from Heat long time
ago.

IMO the biggest issues we got now are we got users using autoscaling in
both services, appears there is a lot of duplicated effort, and some great
enhancement didn't exist in another service.
As a long-term goal (from the beginning), we should try to join development
to sync functionality, and move users to use Senlin for autoscaling. So we
should start to review this goal, or at least we should try to discuss how
can we help users without break or enforce anything.

What will be great if we can build common library cross projects, and use
that common library in both projects, make sure we have all improvement
implemented in that library, finally to use Senlin from that from that
library call in Heat autoscaling group. And in long-term, we gonna let all
user use more general way instead of multiple ways but generate huge
confusing for users.

*As an action, I propose we have a forum in Berlin and sync up all effort
from both teams to plan for idea scenario design. The forum submission [1]
ended at 9/26.*
Also would benefit from both teams to start to think about how they can
modulize those functionalities for easier integration in the future.

>From some Heat PTG sessions, we keep bring out ideas on how can we improve
current solutions for Autoscaling. We should start to talk about will it
make sense if we combine all group resources into one, and inherit from it
for other resources (ideally gonna deprecate rest resource types). Like we
can do Batch create/delete in Resource Group, but not in ASG. We definitely
got some unsynchronized works inner Heat, and cross Heat and Senlin.

Please let me know who is interesting in this idea, so we can work together
and reach our goal step by step.
Also please provide though if you got any concerns about this proposal.

[1] https://www.openstack.org/summit/berlin-2018/call-for-presentations
-- 
May The Force of OpenStack Be With You,

*Rico Lin*irc: ricolin
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