We half do. :) Actually, this has become a major topic of discussion
recently on other lists. There's some room to discuss exactly what and how
is available to the ctx proxy. Right now it's both too unrestricted and too
narrow. The current idea is to make the exposure more explicit, and
possibly align it with a more general REST API.

On Wed, Nov 29, 2017 at 12:34 AM, D Jayachandran <
[email protected]> wrote:

> Hi Tal,
>
> I agree with your points mentioned below but I was thinking do we need to
> have a ServiceLevel operation context, as we now have Node operation
> context.
>
> Regards,
> DJ
> -----Original Message-----
> From: Tal Liron [mailto:[email protected]]
> Sent: Friday, November 24, 2017 10:12 PM
> To: [email protected]
> Subject: Re: Support for extension point during service execution
>
> Hi DJ,
>
> The question here is why use ARIA's orchestrator at all? It sounds like
> you have your own orchestration engine. This is an intended use case for
> ARIA (and indeed was used in the OPEN-O project).
>
> There are a few ways to use ARIA here:
>
> 1) You can use the ARIA's Python API and access all the data models
> directly. Of course this will only work if your own orchestration code is
> in Python.
> 2) You can use ARIA's CLI to emit the data models you need in either JSON
> or YAML format, for easy consumption by your code: aria services show
> myservice --json. Note that you can also wrap ARIA's CLI in an HTTP service.
> 3) You can access the database directly. ARIA uses a a normalized
> relational (SQL) database.
>
> There are some challenges and limitations to each approach. If you tell us
> what you're going to do we can help you move along in that direction.
>
>
> On Fri, Nov 24, 2017 at 7:37 AM, D Jayachandran <
> [email protected]
> > wrote:
>
> > Hi Team,
> >
> > We are looking at an execution point during a service execution
> > through a plugin. With this the execution will not go through the
> > workflow runner
> > (install/uninstall) defined by the orchestrator but the services
> > instance context object will be provided to the plugin which will take
> > care of the complete service-execution.
> > This plugin is looked upon as a "service plugin" which will get the
> > entire service model object and will provide the details to the
> > external workflow engine.
> > We need this feature to enable the execution of workflows which some
> > of our users already have. Please let us know your thoughts on this as
> > we have already started our technical study on this.
> >
> >
> > Regards,
> > DJ
> >
>

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