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From philip andrew <philip14...@gmail.com>
Subject Re: Does there exist an OpenStack API implementation backed by JClouds?
Date Fri, 20 Nov 2015 01:53:53 GMT
Hello Andrew,

As I understand, correct me if I am wrong, JClouds *can* call an OpenStack
API as one of its providers but JClouds also has other providers which
JClouds call which do not necessarily operate through the OpenStack API
when JClouds is used. So I want to write a provider to my Cloud which I can
put inside JClouds as a provider, that is my own work which I will be
doing. This will allow me to expose a JClouds API to my customers.

I want someone else to make an OpenStack API over JClouds so that I can
ALSO expose an OpenStack API to customers, not just a JClouds API. My
customers want an OpenStack API and a JClouds API.

I can imagine one problem with this is that the API's won't be a 1-1
mapping and also some information may be lost on API call, I mean JClouds
API may be a smaller "set" of information than OpenStack API's "set". so I
would want to have all of this done in Java (or Scala) so that down the
call stack if some information was lost down the call stack it could be
retrieved from a thread local variable or some other method at the bottom
of the call stack so that I could get all the information I needed from the
OpenStack API call.

Is the above all true?
Does this seems via-able?
Do you agree or disagree with the way I am suggesting?

As I know JClouds can connect to OpenStack so you may be thinking, why
don't I just write an OpenStack API to my cloud, but at this moment I have
a Java API to my cloud right now, so if I write my code as a provider in
Java to JClouds then I don't need to deal with REST API calls, I only write
Java code inside which JClouds calls to my Java API to my cloud. This is
the reason why I don't want to write an OpenStack API to my cloud but to do
it in this round-about way is that I have a full Java API to my cloud.

Thanks!
Philip




On Fri, Nov 20, 2015 at 1:30 AM, Andrew Phillips <andrewp@apache.org> wrote:

> Hi Philip
>
> Has anyone produced an OpenStack API which calls JClouds in
>> its implementation?
>>
>
> Could you give some details about what you're trying to put together here?
>
> As Andrew G's answer hinted, I could imagine using jclouds in a proxy-like
> setup, but since jclouds itself expects to call an OpenStack API, I can't
> immediately see how it would be used to create a "standalone" OpenStack
> implementation.
>
> Regards
>
> ap
>

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