[jsdl-wg] FYI: workflow discussion (was [Fwd: [ogsa-wg] Materials for tomorrows call])
Ravi Madduri
madduri at mcs.anl.gov
Wed Nov 29 21:44:02 CST 2006
Andreas
How can one be part of this discussion on workflow ? Please let me know
Thanks
Andreas Savva wrote:
> I think the material to the attached email should be of interest to at
> least a few people on this list.
>
> Note that the call referred to is today at 1pm UTC, if you would like to
> attend.
>
>> The following is a proposed agenda for OGSA-WG telecon on Nov. 30th.
>> Thursday from 7am - 9am (CST).
>>
>> ** attention: new international number **
>>
>> Dial-in numbers for Thursday:
>> Free: +1-888-452-0308
>> Intl/Toll: +(210) 234-7446
>> PIN: 71815
>> See more information:
>> - https://forge.gridforum.org/sf/go/wiki1477
>>
>> Screen share service will be provided.
>> URL: http://ogsa.glance.net
>> Session key: 1130
>> See more explanation:
>> https://forge.gridforum.org/sf/go/wiki1584
>
>
> The link to the full agenda:
> http://www.ogf.org/pipermail/ogsa-wg/2006-November/002312.html
>
>
>
> ------------------------------------------------------------------------
>
> Subject:
> [ogsa-wg] Materials for tomorrows call
> From:
> "Andrew Grimshaw" <grimshaw at cs.virginia.edu>
> Date:
> Wed, 29 Nov 2006 20:52:24 -0500
> To:
> <ogsa-wg at gridforum.org>
>
> To:
> <ogsa-wg at gridforum.org>
>
>
> All,
>
> Steve McGough and I were asked to prepare a discussion around workflow
> for the telecom tomorrow. Attached is a short slide deck and some XML
> examples – to be explained during the call.
>
>
>
> I have another meeting in which I am presenting that runs from 7-9 am
> eastern, so will miss the opening of the OGSA call. If for some reason I
> am late, Mark can present.
>
>
>
> A
>
>
>
> Andrew Grimshaw
>
> Professor of Computer Science
>
> University of Virginia
>
> 434-982-2204
>
> grimshaw at cs.virginia.edu
>
>
>
>
> ------------------------------------------------------------------------
>
> <?xml version="1.0" encoding="UTF-8"?>
> <wflow:Workflow xmlns="http://schemas.ggf.org/wflow"
> xmlns:wflow="http://schemas.ggf.org/wflow"
> xmlns:jsdl="http://schemas.ggf.org/jsdl/2005/11/jsdl"
> xmlns:xsi="http://www.w3.org/2001/XMLSchemas-instance">
>
> <!-- This example is similar to WorkflowExample-1.xml (located at
> http://www.cs.virginia.edu/~mmm2a/Workflows/WorkflowExample-1.xml).
> The differences are that we give more then one JSDL template
> document in this one, the first of which is used to perform some
> out-of-band initialization. We indicate this by creating an
> artificial dependency in the second JSDL document called a flow
> and then referencing that later in a Workflow node.
> -->
> <jsdl:JobDescription id="prepare-task">
> <!-- The job identification element is standard JSDL and not relevant
> to this example
> -->
> <jsdl:JobIdentification>
> <jsdl:JobName>One Generator</jsdl:JobName>
> <jsdl:Description>A job which Generates data required for using the fibonacci flow.</jsdl:Description>
> </jsdl:JobIdentification>
>
> <jsdl:Application>
> <jsdl:ApplicationName>one-generator</jsdl:ApplicationName>
> <!-- In most cases, this element would have other information
> inside of it (like a POSIXApplication element or
> HPCApplication element). We leave it blank here to simplify
> the example.
> -->
> </jsdl:Application>
> </jsdl:JobDescription>
>
> <jsdl:JobDescription id="add-task">
> <jsdl:JobIdentification>
> <jsdl:JobName>Adder</jsdl:JobName>
> <jsdl:Description>A job which takes two input values (integers) and produces an output value which is the sum of the inputs.</jsdl:Description>
> </jsdl:JobIdentification>
>
> <jsdl:Application>
> <jsdl:ApplicationName>adder</jsdl:ApplicationName>
> <!-- Here is where we might place elements for the JSDLPosix
> extension, or the HPC extension, or something else -->
> </jsdl:Application>
>
> <jsdl:DataStaging name="input-1">
> <jsdl:FileName>input-1.dat</jsdl:FileName>
> <jsdl:CreationFlag>overwrite</jsdl:CreationFlag>
> <jsdl:Source/>
> </jsdl:DataStaging>
>
> <jsdl:DataStaging name="input-2">
> <jsdl:FileName>input-2.dat</jsdl:FileName>
> <jsdl:CreationFlag>overwrite</jsdl:CreationFlag>
> <jsdl:Source/>
> </jsdl:DataStaging>
>
> <jsdl:DataStaging name="output">
> <jsdl:FileName>output.dat</jsdl:FileName>
> <jsdl:CreationFlag>overwrite</jsdl:CreationFlag>
> <jsdl:Target/>
> </jsdl:DataStaging>
>
> <wflow:DataStream name="foo">
> </wflow:DataStream>
> </jsdl:JobDescription>
>
> <wflow:Node id="initializer">
> <wflow:JSDL jsdl-ref="prepare-task"/>
> </wflow:Node>
>
> <wflow:Node id="fib-2">
> <wflow:JSDL jsdl-ref="add-task">
> <wflow:Dependencies>
> <wflow:Dependency node-ref="initializer"/>
> </wflow:Dependencies>
>
> <wflow:Input data-ref="input-1">
> <wflow:URI>http://tempuri.org/data/one.dat</wflow:URI>
> </wflow:Input>
>
> <wflow:Input data-ref="input-2">
> <wflow:URI>http://tempuri.org/data/one.dat</wflow:URI>
> </wflow:Input>
> </wflow:JSDL>
> </wflow:Node>
>
> <wflow:Node id="fib-3">
> <wflow:JSDL jsdl-ref="add-task">
> <wflow:Dependencies>
> <wflow:Dependency node-ref="initializer"/>
> </wflow:Dependencies>
>
> <wflow:Input data-ref="input-1">
> <wflow:URI>http://tempuri.org/data/one.dat</wflow:URI>
> </wflow:Input>
>
> <wflow:Input data-ref="input-2">
> <wflow:Node node-ref="fib-2">
> <wflow:Source data-ref="output"/>
> </wflow:Node>
> </wflow:Input>
> </wflow:JSDL>
> </wflow:Node>
>
> <wflow:Node id="fib-4">
> <wflow:JSDL jsdl-ref="add-task">
> <wflow:Input data-ref="input-1">
> <wflow:Node node-ref="fib-2">
> <wflow:Source data-ref="output"/>
> </wflow:Node>
> </wflow:Input>
>
> <wflow:Input data-ref="input-2">
> <wflow:Node node-ref="fib-3">
> <wflow:Source data-ref="output"/>
> </wflow:Node>
> </wflow:Input>
>
> <wflow:Output data-ref="output">
> <wflow:Target>http://tempuri.org/fib-4.dat</wflow:Target>
> </wflow:Output>
> </wflow:JSDL>
> </wflow:Node>
>
> <wflow:Flows>
> <wflow:Flow node-ref="fib-4"/>
> </wflow:Flows>
> </wflow:Workflow>
--
Ravi K Madduri
The Globus Alliance | Argonne National Laboratory
http://www-unix.mcs.anl.gov/~madduri
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