[openstack-dev] [keystone] LDAP identity driver with groups from local DB

Steve Martinelli stevemar at ca.ibm.com
Fri Jul 24 04:50:25 UTC 2015

The LDAP driver for identity shouldn't require write access to look up
groups. It'll only require write access if you want to allow Keystone to
create/delete/update new groups.
Not sure what you mean by "requires an LDAP admin to set up groups
separately" either. Have any more details you can share?


Steve Martinelli
OpenStack Keystone Core

Julian Edwards <bigjools at gmail.com> wrote on 2015/07/24 12:00:33 AM:

> From: Julian Edwards <bigjools at gmail.com>
> To: openstack-dev at lists.openstack.org
> Date: 2015/07/24 12:01 AM
> Subject: [openstack-dev] [keystone] LDAP identity driver with groups
> from local DB
> Hello,
> I am relatively new to Openstack and Keystone so please forgive me any
> crazy misunderstandings here.
> One of the problems with the existing LDAP Identity driver that I see
> is that for group management it needs write access to the LDAP server,
> or requires an LDAP admin to set up groups separately.
> Neither of these are palatable to some larger users with corporate
> LDAP directories, so I'm interested in discussing a solution that
> would get acceptance from core devs.
> My initial thoughts are to create a new driver that would store groups
> and their user memberships in the local keystone database, while
> continuing to rely on LDAP for user authentication. The advantages of
> this would be that the standard UI tools could continue to work for
> group manipulation.  This is somewhat parallel with ephemeral
> federated user group mappings, but that's all done in the json blob
> which is a bit horrible. (I'd like to see that working with a decent
> UI some time, perhaps it is solved in the same way)
> However, one of the other reasons I'm sending this is to gather more
> ideas to solve this. I'd like to hear from anyone in a similar
> position, and anyone with input on how to help.
> Cheers,
> Julian.
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