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FreeIPA plugin for Fedora Account System

PROOF OF CONCEPT

The freeip-fas plugin provides schema extension of FreeIPA users for the Fedora Account System. The plugin must be installed on all FreeIPA servers, preferable before the server/replica is installed.

If the plugin is installed later, then the local schema cache may be outdated and ipa command may not be aware of the new attributes. In that case the local schema cache can be refreshed by enforcing a schema check ipa -eforce_schema_check=True ping or by purging the cache with rm -rf ~/.cache/ipa.

Installation requires a server upgrade ipa-server-upgrade and restart of services ipactl restart. The post transaction hook of the RPM package takes care of both. A server upgrade can take a while and can disrupt normal operations on the machine. It is advised to serialize the operation and install the plugin on one server at a time.

Additional user attributes

User object is extended by the new fasUser object class.

  • fasTimeZone: string, writable by self
  • fasLocale: string, writable by self
  • fasIRCNick: multi-valued string, writable by self, indexed
  • fasGPGKeyId: multi-valued string, writable by self, indexec
  • fasCreationTime: timestamp, writable by admin
  • fasStatusNote: string, writable by admin
  • fasRHBZEmail: string, writable by self
  • fasGitHubUsername: string, writable by self
  • fasGitLabUsername: string, writable by self

Groups

  • group_remove_member also removes member managers

ACIs

  • Read FAS user attributes
  • Users can modify their own FAS attributes
  • Users can modify their own Email address
  • Users can remove themselves as members of groups
  • Member managers can remove themselves as member managers of groups

User settings

  • OTP set as default authentication method.

Indexes

  • Index on fasIRCNick for presence and equality
  • Index on fasGPGKeyId for presence and equality
  • Uniqueness of mail attributes

Command line extension

$ ipa user-mod --help
...
  --fastimezone=STR     user timezone
  --faslocale=STR       user locale
  --fasircnick=STR      IRC nick name
  --fasgpgkeyid=STR     GPG Key ids
  --fasstatusnote=STR   User status note
  --fascreationtime=DATETIME
                        user creation time
  ...