Hello Boris, Le 19/03/15 10:32, Boris Parak a écrit :
Hello Philippe,
On Thu, Mar 19, 2015 at 1:00 AM, Philippe Merle <philippe.merle@inria.fr> wrote:
Hello Boris,
I have one comment on your OCCI Compute Resource Templates. This specification does not explicitly define in which category (Kind or Mixin) the attribute eu.egi.fedcloud.occi.compute.ephemeral is defined. It could be defined in each of the six mixins or as I did it could be defined in an ephemeral mixin inherited by the six mixins. I prefer the second solution, which factorizes common elements of the six mixins. it might not be explicitly mentioned there, but we adopted the first approach you mentioned. We had a few reasons for doing that:
1.) the whole point of that attribute is setting a default value different for each of those six mixins ; therefore it would have to be "included" in all of them anyway ... and in a separate additional mixin if we adopted the second approach (6 vs. 7 mixins with that attribute)
ok. I just pointed a drawback in the proposed specification. This specification defines an attribute but does not define in which category(ies) it is defined. So perhaps you could add a sentence to say 'This attribute is defined in each of the following six mixins.'
2.) we do not use OCCI for modeling purposes,
You should.
features such as attribute inheritance from related mixins are not implemented ;
Do you want to say that attribute inheritance from related mixins are not implemented in the specific OCCI runtime you use. The OCCI core specification allows this.
this means that defining an attribute in one mixin and setting a default value for that attribute in a different related mixin wouldn't work
in the specific OCCI runtime you use, not in OCCI in general.
3.) this is all about practical applications for OCCI Infrastructure ; we made it as simple as possible
If that makes any sense to you ...
In OCCIware we have industrial partners that do practical applications of OCCI. OCCIware is not just a pure research project. So this makes sense for me ;-) A+ Philippe
A+ Philippe Cheers, Boris
Le 17/03/15 13:21, Boris Parak a écrit :
Hello everyone,
I have here, for your consideration, one of the first "formal" outputs of EGI FedCloud's work with OCCI -- The OCCI Resource Template Profile. We would very much like to hear your opinions, comments and/or suggestions.
After this (brief, hopefully) internal discussion phase, we would like to push for a public comment phase as soon as possible.
Thank you!
Cheers, Boris --- CESNET / EGI FedCloud
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