Difference between revisions of "HowTo: Configuring gPlazma"

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=== NFSv3/NFSv41 ===
 
=== NFSv3/NFSv41 ===
 
==== Authentication ====
 
==== Authentication ====
* Not performed in the dCache system, is made through OpenLDAP server.
+
* Authentication is not performed in the dCache system, is made through OpenLDAP server.
 +
 
 
==== Mapping ====  
 
==== Mapping ====  
 
* Username/Password already authenticated through OpenLDAP, NSSwitch for mapping.
 
* Username/Password already authenticated through OpenLDAP, NSSwitch for mapping.

Revision as of 13:00, 6 September 2017

Configuring gPlazma

dCache Authorization by protocol

WebDAV

  • htpasswd

Authentication

  • JAAS, custom /etc/dcache/jgss.conf

Mapping

  • glazma Mutator (to convert LDAP specific result to dCache internal principals) + NSSwitch (to map user name to uid)

NFSv3/NFSv41

Authentication

  • Authentication is not performed in the dCache system, is made through OpenLDAP server.

Mapping

  • Username/Password already authenticated through OpenLDAP, NSSwitch for mapping.

GridFTP

Authentication

x509
  • Users defined in /etc/grid-security/grid-mapfile.
  • /etc/grid-security/grid-mapfile is generated with a grid-mapfile cron (crontab -l) which executes the edg-mkgridmap application.
# Puppet Name: grid-mapfile
0 */6 * * * [ ! -f /var/lock/subsys/edg-mkgridmap ] && /usr/sbin/edg-mkgridmap --output=- > /etc/grid-security/grid-mapfile.new && sleep 3 && cat /etc/grid-security/grid-mapfile.new > /etc/grid-security/grid-mapfile
  • edg-mkgridmap application can be configured with the /etc/edg-mkgridmap.conf file where:
  • You can map VO members by specifying a VOMS service and the affected VO. In example:
group vomss://voms2.cern.ch:8443/voms/lhcb?/lhcb lhcb001
  • /etc/grid-mapfile-local is a file to bootstrap the actual grid-mapfile and can be used to allow extra DNs or override some mappings
voms
  • User defined in /etc/grid-security/grid-vorolemap.

Mapping

  • gridmap must is map the incoming DN to a local user

DCap/GSI-DCap

Authentication: Plain DCap with no authentication, but requires world readable and/or writable. GSI-DCap
Mapping: glazma Mutator (to convert LDAP specific result to dCache internal principals) + NSSwitch (to map user name to uid)

XRootD

HTPasswd

  • This is intended only for the WebDAV protocol.

x509 Certificates

  • This is mostly intented for the WebDAV protocol.

VOMS Certificates

  • This is intented for GRID Users, mostly using GridFTP, GSI-DCap & SRM protocols.

JAAS

  • This is intended for PIC LDAP users accessing to WebDAV.

multimap

  • Useful for OIDC authentication (i.e. through Google or INDIGO Accounts)