Nadia LAJILI nlajili@in2p3.fr

User Interface User Interface

4 Février 2002

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ContentsContents

Installation User Interface UI Commands Examples Related Links

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InstallationInstallation

RPM available in the package repository : http://datagrid.in2p3.fr/distribution/datagrid/wp1/RPMS/

Requirements :Python 2.1Globus libraries

Configuration à through only one file : /opt/edg/UI_ConfigENV.cfg

Setup environment variables : $PYTHONPATH,$GLOBUS_LOCATION, etc…edg_env script

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User InterfaceUser Interface

The main functionalities : - Submit a job

- Find the list of the resources suitable to run a specific job - Cancel one or more submitted jobs

- Retrieve the output files of a completed job

Indeed the others main services needed such as :the resource broker, the information service, the job submission service,the logging and bookkeeping service, are already installed on the CERN testbed.

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UI CommandsUI Commands

You need a user certificate delivered by one of the CA of the DataGRID project

Authentication via “grid-proxy-init” Create a Job Description file using the JDL Language.

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MyJob.jdlMyJob.jdl

# The name of the executable to be run

Executable = "script.sh";

# The absolute path of the executable from the executing machine

InputSandbox = {"$HOME/script.sh"};

 

# This file will contain the standard output of the job.

StdOutput = "result.out";

# This file will contain the standard error of the job.

StdError = "result.err";

 

# This attribute specifies the list of the files generated by the job

# which will be retrieved after execution.

OutputSandbox = {"result.out","result.err"};

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MyJob.jdlMyJob.jdl

To have more information about the values of these parameters and their meaning, please refer to the "JDL Attributes" document.

http://server11.infn.it/workload-grid/documents.htm

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UI CommandsUI Commands

To submit a job on the testbed platform :$ dg-job-submit MyJob.jdl

main options :- resource <CE_id> the job will be submitted to this CE node.

- notify basic information and status of the job are sent by email.- hours user proxy duration in hours needed for submitting the job.

Returned values : The job Id <dg_JobId> and the result of the submission

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UI CommandsUI Commands

Pour know about the status of the job : $ dg-job-status « <dg_JobId> »

To retrieve the output of the job : $ dg-job-get-output « <dg_JobId> »

Displays the list of identifiers of he resources accessible by the userAnd satisfying the job requirements included in the job description file.$ dg-job-list-match MyJob.jdl

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UI Commands UI Commands

To cancel a job previously submitted with the dg-job-submit command : $ dg-job-cancel « <dg_JobId> »

To have the formatted information contained in the <dg_jobId>:$ dg-job-id-info « <dg_JobId> »

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ExamplesExamples

edg_env

$ grid-proxy-init ------------------------------------------------------------------------------------------------- Your identity: /C=FR/O=CNRS/OU=CC-LYON/CN=xxxxxxx/Email=xxxxxxxx Enter GRID pass phrase for this identity: Creating proxy .................................. Done Your proxy is valid until Thu Jan 31 04:18:25 2002 ---------------------------------------------------------------------------------------------------

$ dg-job-submit MyJob.jdl *************************************************************************************************** JOB SUBMIT OUTCOME The job has been successfully submitted to the Resource Broker. Use dg-job-status command to check job current status. Your job identifier (dg_jobId) is:

- https://testbed013.cern.ch:7846/134.158.105.136/091708299848905?testbed013.cern.ch:7771

***************************************************************************************************

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ExamplesExamples

$ dg-job-get output«https://testbed013.cern.ch:7846/134.158.105.136/091708299848905?testbed013.cern.ch:7771»

Retrieving OutputSandbox files... ************************************************************************** JOB GET OUTPUT OUTCOME Output sandbox files for the job: - https://testbed013.cern.ch:7846/134.158.105.136/091708299848905?

testbed013.cern.ch:7771 have been successfully retrieved and stored in the directory: /scratch/091708299848905 **************************************************************************

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ExamplesExamples

S dg-job-list-match MyJob.jdl

*************************************************************************** COMPUTING ELEMENT IDs LIST The following CE(s) matching your job requirements have been found: - ccrdli05.in2p3.fr:2119/jobmanager-bqs-A - ccrdli05.in2p3.fr:2119/jobmanager-bqs-C - ccrdli05.in2p3.fr:2119/jobmanager-bqs-G - ccrdli05.in2p3.fr:2119/jobmanager-bqs-I - ccrdli05.in2p3.fr:2119/jobmanager-bqs-J - ccrdli05.in2p3.fr:2119/jobmanager-bqs-P - ccrdli05.in2p3.fr:2119/jobmanager-bqs-R - ccrdli05.in2p3.fr:2119/jobmanager-bqs-S - ccrdli05.in2p3.fr:2119/jobmanager-bqs-T - ccrdli05.in2p3.fr:2119/jobmanager-bqs-V - lxshare0220.cern.ch:2119/jobmanager-pbs-long - lxshare0220.cern.ch:2119/jobmanager-pbs-medium - lxshare0220.cern.ch:2119/jobmanager-pbs-short ***************************************************************************

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Related LinksRelated Links

WMS Software http://server11.infn.it/workload-grid/documents.htm

Le site Web DataGRID au centre de calcul: http://ccgrid.in2p3.fr

Le site Web du WP6-Testbed : http://marianne.in2p3.fr

Le site officiel du projet DataGRID : http://www.datagrid-eu.org