[openstack-dev] Is the pendulum swinging on PaaS layers?

Jay Pipes jaypipes at gmail.com
Fri May 26 13:27:50 UTC 2017

On 05/26/2017 02:53 AM, Chris Friesen wrote:
> On 05/19/2017 04:06 PM, Dean Troyer wrote:
>> On Fri, May 19, 2017 at 4:01 PM, Matt Riedemann <mriedemos at gmail.com> 
>> wrote:
>>> I'm confused by this. Creating a server takes a volume ID if you're 
>>> booting
>>> from volume, and that's actually preferred (by nova devs) since then 
>>> Nova
>>> doesn't have to orchestrate the creation of the volume in the compute
>>> service and then poll until it's available.
>>> Same for ports - nova can create the port (default action) or get a 
>>> port at
>>> server creation time, which is required if you're doing trunk ports or
>>> sr-iov / fancy pants ports.
>>> Am I misunderstanding what you're saying is missing?
>> It turns out those are bad examples, they do accept IDs.
> I was actually suggesting that maybe these commands in nova should 
> *only* take IDs, and that nova itself should not set up either block 
> storage or networking for you.
> It seems non-intuitive to me that nova will do some basic stuff for you, 
> but if you want something more complicated then you need to go do it a 
> totally different way.
> It seems to me that it'd be more logical if we always set up 
> volumes/ports first, then passed the resulting UUIDs to nova.  This 
> could maybe be hidden from the end-user by doing it in the client or 
> some intermediate layer, but arguably nova proper shouldn't be in the 
> proxying business.

You are describing the porcelain API that we've been talking about. :)

Viva enamel!


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