Hi Sanjaya, I think starting out with /bin/ls would be good, maybe like a /bin/ls workflow, and then for each file returned, maybe run Apache Tika and extract its metadata and then pipe that to a file?
How about that? Cheers, Chris ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Chris Mattmann, Ph.D. Senior Computer Scientist NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA Office: 171-266B, Mailstop: 171-246 Email: chris.a.mattm...@nasa.gov WWW: http://sunset.usc.edu/~mattmann/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Adjunct Assistant Professor, Computer Science Department University of Southern California, Los Angeles, CA 90089 USA ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -----Original Message----- From: Sanjaya Medonsa <sanjaya...@gmail.com> Reply-To: "d...@airavata.apache.org" <d...@airavata.apache.org> Date: Tuesday, June 4, 2013 5:31 AM To: "d...@airavata.apache.org" <d...@airavata.apache.org> Cc: "dev@oodt.apache.org" <dev@oodt.apache.org> Subject: Re: Apache Airavata-OODT Integration >Hi Chris, > Please see my comments below on the two items. > >Configuration : It should be possible to set them programmatically. >Actually I have implemented partly it for file staging information. I'll >work to get rid of the other configuration files. > >Staged File Path : I'll work on the suggested approach, though I am not >fully understand it at the moment. I guess I need to go through bit more >on >CAS-PGE and come back to you on the proposed approach. > >Currently I am testing this by wrapping /bin/ls command as GFac service. I >may need to test this with real workflow. Could you please provide me know >some guidance on better scenario to test this. > >Cheers, >Sanjaya > > > > >On Mon, Jun 3, 2013 at 8:17 PM, Mattmann, Chris A (398J) < >chris.a.mattm...@jpl.nasa.gov> wrote: > >> Hi Sanjaya, >> >> -----Original Message----- >> >> From: Sanjaya Medonsa <sanjaya...@gmail.com> >> Reply-To: "d...@airavata.apache.org" <d...@airavata.apache.org> >> Date: Thursday, May 30, 2013 5:12 AM >> To: "dev@oodt.apache.org" <dev@oodt.apache.org>, >>"d...@airavata.apache.org" >> <d...@airavata.apache.org> >> Subject: Apache Airavata-OODT Integration >> >> >Hi, >> > I have worked on the Apache Airavata integration with Apache >>OODT. As >> >a first step, I have implemented integration with Apache OODT file >> >manager component. >> >> Great work!! >> >> Comments below: >> >> > 1. Introduce a new GFac Schema type called OODTProduct which >>takes >> >APache OODT product IDs as input. >> > 2. Implemented new pre GFac Handler by extending Apache OODT >> >PgeTaskInstance to stage the corresponding file into the working >> >directory. >> > 3. Once file is staged, input parameter with OODT product id is >> >replaced with path of the staged file for downstream processing >> > >> >I have tested the implementation with Gfac application which wraps >>/bin/ls >> >command. Application takes product id as input and stage corresponding >> >file >> >into the working directory and /bin/ls is executed against the staged >> >file. >> >Hope this is a valid testing scenario. >> > >> >Concerns >> >- Configurations : I have added new configuration file named and >> >oodt-integration.properties in addition to dynamic_metadata.met and >> >pge-config.xml files used by OODT. But at the moment there is no item >> >configured with the oodt-integration.properties. >> >> You probably only need the pge-config.xml file. Dynamic metadata, and >>the >> task configuration properties can be specified programmatically, right? >> >> >- Staged File Name - With the current implementation of >>PgeTaskInstance it >> >is not possible to retrieve path of the staged file. Due to this >> >limitation, I have query the FileManagerServer with product id and >> >retrieve >> >the file name and computed the file path using information of working >> >directory. >> >> I'm not sure I understand this? If you store and record the Filename, >>and >> FileLocation >> metadata files, then you can easily retrieve the staged file path via a >> SQLquery >> via CAS-PGE by simply setting the FORMAT=('$FileLocation/$Filename') in >> the response. >> Can you comment on this? >> >> >- Currently it is not possible to execute the workflow using Xbaya due >>to >> >validation failure due to new schema type. I have commented out the >> >relevant validation code for testing purpose. >> >> OK, will probably need to work on this. >> >> > >> >Currently I am having an issue with review board client tool and need >>to >> >resolve it to upload the code for review. >> >> I see later that you got this working, so will head over and review that >> now. >> >> Thanks! >> >> Cheers, >> Chris >> >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Chris Mattmann, Ph.D. >> Senior Computer Scientist >> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA >> Office: 171-266B, Mailstop: 171-246 >> Email: chris.a.mattm...@nasa.gov >> WWW: http://sunset.usc.edu/~mattmann/ >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Adjunct Assistant Professor, Computer Science Department >> University of Southern California, Los Angeles, CA 90089 USA >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> >> >> >>
