Open Stack

On 2017-09-27 09:15:21 +0800 (+0800), Zhenguo Niu wrote:
[...]
> I don't mean there are deficiencies in Ironic. Ironic itself is cool, it
> works well with TripleO, Nova, Kolla, etc. Mogan just want to be another
> client to schedule workloards on Ironic and provide bare metal specific
> APIs for users who seeks a way to provider virtual machines and bare metals
> separately, or just bare metal cloud without interoperble with other
> compute resources under Nova.
[...]

The short explanation which clicked for me (granted it's probably an
oversimplification, but still) was this: Ironic provides an admin
API for managing bare metal resources, while Mogan gives you a user
API (suitable for public cloud use cases) to your Ironic backend. I
suppose it could have been implemented in Ironic, but implementing
it separately allows Ironic to be agnostic to multiple user
frontends and also frees the Ironic team up from having to take on
yet more work directly.
-- 
Jeremy Stanley
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