[occi-wg] Evolution proposal in "OCCI Platform" specification

[Philippe Merle]

Hi Pierre-Yves,

Add an appendix section named "Change Log" at the end of the OCCI 
Plaform document.

You could take inspiration from the "Change Log" section at the end of 
the OCCI Core document.

A+
Philippe

Le 04/04/2017 à 10:26, Pierre-Yves Gibello a écrit :
> Hi,
>
> What do you mean by "errata" ?
> There is no mistake in any released doc, my document is an evolution 
> proposal.
>
> Regards,
>  Pierre-Yves Gibello - OCCIWare project
>
> Le 31/03/2017 à 17:10, Metsch, Thijs a écrit :
>> Hi,
>>
>> Thanks for the contribution - looks good. Can you maybe write a 
>> little Errata text and include that in the doc as well?
>>
>> Cheers,
>>
>> -Thijs
>>
>> -----Original Message-----
>> From: occi-wg [mailto:occi-wg-bounces at ogf.org] On Behalf Of 
>> Pierre-Yves Gibello
>> Sent: Monday, March 27, 2017 10:58 AM
>> To: Boris Parak <xparak at mail.muni.cz>; occi-wg at ogf.org
>> Cc: occiware at ow2.org
>> Subject: Re: [occi-wg] Evolution proposal in "OCCI Platform" 
>> specification
>>
>> Thanks a lot... it was a mistake !
>> Fixed now, in the attached version (and in the git repo, of course).
>>
>> The target state for "configure" was "inactive", there is no 
>> "configured" state in the figure.
>>
>> Thanks for reading so carefully, the mistake came through our peer 
>> review without being noticed !
>>
>> Regards,
>>    Pierre-Yves Gibello - OCCIWare team
>>
>> P.S. Please let us know of the process & schedule to integrate this 
>> in the next spec release, if any.
>>
>> Le 25/03/2017 à 14:44, Boris Parak a écrit :
>>> Dear Pierre-Yves Gibello,
>>>
>>> AFAIK, this looks like a reasonable addition.
>>>
>>> I noticed that you are using 'configured' as a target state in action
>>> tables. However, there is no such state declared in state tables or
>>> shown in state diagrams.
>>>
>>> Regards, Boris Parak
>>> -- 
>>> CESNET
>>>
>>> On Fri, Mar 24, 2017 at 3:22 PM, Pierre-Yves Gibello
>>> <pygibello at linagora.com> wrote:
>>>> Dear OCCI team,
>>>>
>>>> We at OCCIWare project (www.occiware.org) are using OCCI Platform to
>>>> model and deploy/configure software applications in the cloud.
>>>>
>>>> But we quickly came to the conclusion that the current "OCCI
>>>> Platform" spec is too uncomplete, as we needed to extend it to 
>>>> cover some basic issues.
>>>>
>>>> For instance, an application component (eg. a software component,
>>>> like a database or an app server) will first be installed (we call
>>>> that "deployed"), then configured, prior to managing its lifecycle
>>>> (start/stop and so on).
>>>>
>>>> OCCI Platform assumes the component is already installed and
>>>> configured (it provides only "inactive" and "active" states with
>>>> "start" and "shttps://github.com/gibello/occi-wgtop" actions), or
>>>> that install/configure/start is a single action (which is not true).
>>>>
>>>> What we propose here is adding 2 states ("undeployed" and "deployed")
>>>> and 3 actions ("deploy", "configure" and "undeploy") in both the
>>>> component and the application states (all modifications are located
>>>> in chapters 3.1 and 3.2 of the OCCI Platform spec: figures 2 and 3 
>>>> + tables 3 and 5).
>>>> Of course, the new states and transitions can be considered optional
>>>> by implementers, which would make things as simple as before for
>>>> minimal use cases.
>>>>
>>>> Attached, the new OCCI Platform spec we propose.
>>>>
>>>> We cloned the OCCI specifications repository (redmine) on github, and
>>>> the commits can be found here :
>>>> https://github.com/gibello/occi-wg (simply "git clone" the repo, 
>>>> then "make"
>>>> to build the specs).
>>>>
>>>> Let us know what you think, and if relevant, which process to update
>>>> the next version of "OCCI platform" specification.
>>>>
>>>> Regards,
>>>>    Pierre-Yves Gibello - OCCIWare project
>>>>
>>>>
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-- 
Philippe Merle
Inria researcher
http://chercheurs.lille.inria.fr/~pmerle/