[openstack-dev] [Solum/Heat] Is Solum really necessary?

Christopher Armstrong chris.armstrong at rackspace.com
Thu Nov 14 19:08:25 UTC 2013


On Thu, Nov 14, 2013 at 11:04 AM, Sam Alba <sam.alba at gmail.com> wrote:

> Hi Jay,
>
> I think Heat is an ingredient for Solum. When you build a PaaS, you
> need to control the app at different levels:
>
> #1 describing your app (basically your stack)
> #2 Pushing your code
> #3 Deploying it
> #4 Controlling the runtime (restart, get logs, scale, changing
> resources allocation, etc...)
>
> I think Heat is a major component for step 3. But I think Heat's job
> ends at the end of the deployment (the status of the stack is
> "COMPLETED" in Heat after processing the template correctly). It's
> nice though to rely on Heat's template generation for describing the
> stack, it's one more thing to delegate to Heat.
>
> In other words, I see Heat as an engine for deployment (at least in
> the context of Solum) and have something on top to manage the other
> steps.
>

I'd say that Heat does (or should do) more than just the initial deployment
-- especially with recent discussion around healing / convergence.

-- 
IRC: radix
Christopher Armstrong
Rackspace
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