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The VOMS and the SE in Tier2 Presenter: Sergey Dolgobrodov HEP Meeting Manchester, January 2009.

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Presentation on theme: "The VOMS and the SE in Tier2 Presenter: Sergey Dolgobrodov HEP Meeting Manchester, January 2009."— Presentation transcript:

1 The VOMS and the SE in Tier2 Presenter: Sergey Dolgobrodov HEP Meeting Manchester, January 2009

2 What is VOMS VOMS is… –An Attribute Authority. –A VO Management System. –A source of trust for authorization. VOMS is not… –A policy system. –An AuthN/AuthZ framework.

3 VOMS: The problem In a grid environment, VOs tend to be extremely large and change frequently. –Hundreds or even thousands of users. Sites need to know the users because of the need to prepare local accounts and eventually apply authorization policies. It is not scalable to manage them by hand

4 VOMS: The solution Organize users into groups and grant them roles. –Allows for full Role Based Access Control authorization. Also, adds other general-purpose attributes.

5 VOMS Architecture VOMSDB VOMS-ADMIN Secure

6 Who uses VOMS? voms.gridpp.ac.uk 19 VOs, –301 users –2 servers

7

8 DPM, dCache, SRM what are they Storage Element: DPM and dCache – disk caching front­end – End user interface to write and read cached files Storage Resource Manager –Provides a consistent interface to underlying storage systems.

9 Tier2 SE Combine hundreds of commodity disk servers to get a huge terabyte scale data store Storage site gains increased fault tolerance Allows several copies of a single file for distributed data access Internal load balancing using cost metrics and transfers between the site's pools Automatic file replication on high load (dCache)

10 Manchester Tier2 SE Combines about 160 TB of disk space on 900 nodes Maintained and monitored around the clock Upgrading and tuning annually

11 This year plans New storage hardware installation Migration from dCache to DPM Improving and tuning of the DPM/dCache performance via configuration Monitoring and automation of the cluster maintenance including SE's, Computer Elements VOMS etc.

12 Thank you

13 VOMS data format Attributes (groups, roles, general purpose) returned by VOMS are inserted into an RFC-3281 compliant Attribute Certificate. –The exact profile is described here: https://forge.gridforum.org/sf/go/doc13797?nav=1 –ACs are the natural choice in a X.509 world. The grid is a X.509 world. The provided clients insert the AC in a non-critical extension of the user proxy. –Immediate compatibility with non-VOMS aware software.

14 What is a proxy? A proxy is a short-lived certificate that has as issuer a user certificate. –Standardized in RFC 3820. –Commonly used throughout the grid for authentication and authorization purposes.

15 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Proxy’s Subject

16 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Proxy’s issuer

17 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Certificate’s subject

18 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Type of proxy

19 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Proxy’s key strength

20 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Proxy’s Location

21 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Proxy’s validity

22 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 VO Name

23 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Owner’s Data

24 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 Owner’s Group membership

25 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 General-Purpose attributes

26 Example of data: [marotta@datatag6 marotta]$ /data/marotta/installs/17series/bin/voms-proxy-info --all subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini/CN=proxy issuer : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini identity : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini type : proxy strength : 512 bits path : /tmp/x509up_u502 timeleft : 11:59:58 === VO valerio extension information === VO : valerio subject : /C=IT/O=INFN/OU=Personal Certificate/L=CNAF/CN=Vincenzo Ciaschini issuer : /C=IT/O=INFN/OU=Host/L=CNAF/CN=datatag6.cnaf.infn.it attribute : /valerio/Role=NULL/Capability=NULL attribute : /valerio/asdasd/Role=NULL/Capability=NULL attribute : /valerio/qwerty/Role=NULL/Capability=NULL attribute : attributeOne = 111 (valerio) attribute : attributeTwo = 222 (valerio) timeleft : 11:59:58 AC validity

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