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EMI Advanced topics

Emidio Giorgio (INFN Catania)

DCISS 2011July 11th, 2011, Budapest

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Outline

• Integration– UI installation

• Standardization– dCache & webDAV

• Evolution– Argus

• References

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UI installation

Emidio Giorgio – DCISS - 11 July 20113

• Start from a fresh install of Scientific Linux 5 64 bit

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Install the EMI UI

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• Download and install rpm configuring EMI repository

• yum install ntp• Configure ca.repo• Configure epel repo• yum update

• Solve commonly dependencies• yum install ca-policy-egi-core• yum install emi-ui• Configure for EMI usage

• Configuration are based on EMI preview testbed

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gLite configuration

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• Edit site-info.defBDII_HOST=certtb-bdii.cern.chWMS_HOST=lxbra2303.cern.chVOS="testers.eu-emi.eu”

• Insert VO definitions in vo.d/testers.eu-emi.euSW_DIR=$VO_SW_DIR/testers.eu-emi.euDEFAULT_SE=$SE_HOSTSTORAGE_DIR=$CLASSIC_STORAGE_DIR/testers.eu-emi.euVOMS_SERVERS="'vomss://emitestbed07.cnaf.infn.it:8443/voms/testers.eu-emi.eu?/testers.eu-emi.eu'"VOMSES="'testers.eu-emi.eu emitestbed07.cnaf.infn.it 15002 /C=IT/O=INFN/OU=Host/L=CNAF/CN=emitestbed07.cnaf.infn.it testers.eu-emi.eu'"VOMS_CA_DN="'/C=IT/O=INFN/CN=INFN CA'”

• /opt/glite/yaim/bin/yaim -c -s my-site-info.def -n UI

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UNICORE configuration

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• Open /etc/unicore/ucc/preferences

• registry=https://zam052v01.zam.kfa-juelich.de:8080/EMI-REGISTRY/services/Registry?res=default_registry

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Test installation done

• Copy personal stuff (certificates)• Browse information systems

– ARC,gLite, UNICORE• Run a job

– gLite, UNICORE, ARC • Test data management

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dCache & webDAV• Latest versions of dCache supports webDAV, providing

standards based access from users’ desktop/web browser

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webDAV demo

• Create a file on a dCache SE• Verify it exists from Mac OS X Finder/Web

Browser

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Argus• Argus is a system to make consistent authorization

decisions for distributed resources– PAP : author consistent decision policies (Administration)– PDP : evaluate consistently policies (Decision)– PEP : provide consistently data to be evaluated against

policies (Execution)

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Argus demo

• Submit a job– Verify authorization on Argus log files

• Ban my self from the testbed !– Retry to submit a job and verify denial

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References

• EMI generic installation and configuration guide

• EMI video for 1st EC review• dCache manual (1.9.12) • dcache and webDav (transparencies)• Argus service : a functional description• Argus in details• EMI web site

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Documentation

WP2 – Emidio Giorgio - EMI First EC Review 22 June 2011 13

http://eu-emi.eu/

documentation

http://eu-emi.eu/

products

Single place for European Middleware documentation !

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EMI web site

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Middleware

User Support

Forum

Collaborations

Training

Events

News

Press

www.eu-emi.eu

DocumentationEmidio Giorgio – DCISS - 11 July 2011

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Thank you

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EMI is partially funded by the European Commission under Grant Agreement INFSO-RI-261611