Nadia LAJILI User Interface User Interface 4 Février 2002

Nadia LAJILI 2 Contents  Installation  User Interface  UI Commands  Examples  Related Links

Nadia LAJILI 3 Installation  RPM available in the package repository :  Requirements : Python 2.1 Globus libraries  Configuration à through only one file : /opt/edg/UI_ConfigENV.cfg  Setup environment variables : $PYTHONPATH,$GLOBUS_LOCATION, etc… edg_env script

Nadia LAJILI 4 User 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.

Nadia LAJILI 5 UI 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.

Nadia LAJILI 6 MyJob.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"};

Nadia LAJILI 7 MyJob.jdl  To have more information about the values of these parameters and their meaning, please refer to the "JDL Attributes" document. 

Nadia LAJILI 8 UI Commands  To submit a job on the testbed platform : $ dg-job-submit MyJob.jdl main options : - resource the job will be submitted to this CE node. - notify basic information and status of the job are sent by . - hours user proxy duration in hours needed for submitting the job.  Returned values : The job Id and the result of the submission

Nadia LAJILI 9 UI Commands  Pour know about the status of the job : $ dg-job-status « »  To retrieve the output of the job : $ dg-job-get-output « »  Displays the list of identifiers of he resources accessible by the user And satisfying the job requirements included in the job description file. $ dg-job-list-match MyJob.jdl

Nadia LAJILI 10 UI Commands  To cancel a job previously submitted with the dg-job-submit command : $ dg-job-cancel « »  To have the formatted information contained in the : $ dg-job-id-info « »

Nadia LAJILI 11 Examples  edg_env  $ grid-proxy-init   Your identity: /C=FR/O=CNRS/OU=CC-LYON/CN=xxxxxxx/ =xxxxxxxx  Enter GRID pass phrase for this identity:  Creating proxy Done  Your proxy is valid until Thu Jan 31 04:18:   $ 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:  -  ***************************************************************************************************

Nadia LAJILI 12 Examples  $ dg-job-get output « 771» Retrieving OutputSandbox files...  **************************************************************************  JOB GET OUTPUT OUTCOME  Output sandbox files for the job:  -  have been successfully retrieved and stored in the directory:  /scratch/  **************************************************************************

Nadia LAJILI 13 Examples  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  ***************************************************************************

Nadia LAJILI 14 Related Links  WMS Software  Le site Web DataGRID au centre de calcul:  Le site Web du WP6-Testbed :  Le site officiel du projet DataGRID :