Re: [SSSD-users] Externally defined, cross-domain group membership. Prohibited?
Yes, sssd silos each identity domain completely, the only
'exception' is local
groups but that's almost an accident of how nsswitch worked historically.
Would you consider an RFE to add a "posix domain" group definition (or perhaps
"global groups")? That way, group info brought in via individual domain
declarations would be siloed (because it is assumed to have been defined upstream, where
only the users from that domain are available), but there's at least the possibility
of allowing central control over grouping the set of users available to the local machine.
Frankly, with the exception of the attributes which describe the human (name, contact
info, etc.) I don't have much use for upstream identity information, and I need to
adapt it.
Likewise, a "local domain override" option for identity information would be
useful. (e.g., define an identity store in the global section, to be used by any domain
with "override" in the id slot.) This indicates that mapping/overrides/collision
resolution is handled at the domain level, while still allowing the individual
specification of upstream authentication sources. I'm currently doing this with
OpenLDAP's translucent proxy, but it sounds like the FreeIPA notion of views is
heading in this same direction and will require the same support from sssd.
For the moment, my need is small enough that I can implement a workaround with filesystem
ACLs, but I intend to have bigger needs.
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