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From "Mattmann, Chris A (388J)" <chris.a.mattm...@jpl.nasa.gov>
Subject Re: Proposal To Use Apache OODT products as input to Apache Airavata Workflows and staging product files into node where execution happens
Date Sun, 17 Feb 2013 18:25:55 GMT
+1, sounds like a great idea Sanjaya!

I'm copying dev@oodt so they can be in the conversation too.

Cheers,
Chris

On 2/17/13 10:22 AM, "Sanjaya Medonsa" <sanjayamrt@gmail.com> wrote:

>Hi Dev Team,
>As I have posted previously, I am working on a Apache Airavata + Apache
>OODT integration as my MSc project. Following is one of the possible
>integration to leverage Apache OODT file management capability into Apache
>Airavata. Please review the proposal and let me know your feedback.
>
>Proposal To Use Apache OODT products as input to Apache Airavata Workflows
>and staging product files into node where execution happens
>==========================================================================
>==============================
>1. Introduce "Apache OODT Product" as a new GFacParameterType. New "Apache
>OODT Product" input type can sepcify "Product ID" or "File Path to
>Product"
>as an input to Apache Airavata workflows.
>2. Introduce new PreExecuteChain to retrieve Apache OODT Products from
>File
>Manager Server managed using Apache OODT.
>1. Using Apache OODT File Manager componenet transfer Product from Server
>to input directory of the application as configured using XBaya-GUI under
>advanced configuration. (Here the assumption is that Products are
>accesible
>through Apache OODT File Manager server)
>2. Finally reset the input value to local file path. I think we can remove
>the OODT Product parameter from invocation context and add new file
>parameter with value set to 'local path of the transferred product'. I am
>not quite sure what are the implications of changing input parameter type
>during the execution.
>
>Similar approach has been implemented for GridFTP and HTTP.
>
>Best Regards,
>Sanjaya


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