Subject: Grouper Users - Open Discussion List
- From: Scott Koranda <>
- To: grouper-users <>
- Subject: [grouper-users] provisioning to Google Apps
- Date: Mon, 22 Jul 2013 14:11:57 -0500
I am working with Boston College to develop infrastructure to
enable them to provision course groups from their LDAP
directory to Google Apps. Rather than writing a once-off tool
to go directly from the directory server to Goolge Apps the
plan is to introduce Grouper to leverage the Grouper change
log as well as the ability to add enhanced management
capabilities for the course groups.
We expect to use the Grouper Loader to load the course group
memberships from the LDAP directory system of record to
To provision from Grouper to Google Apps we are considering
- building a custom PSP connector: Tom Zeller has reported on
the list that he has thought in some detail about the design
and started to write some code but it is not finished (and
shelved I presume).
Given that the Grouper team has recently signaled that the
PSP will not be evolved due to the lack of takeup for SPML
we think this is the least attractive path.
- building a custom Grouper change log consumer: the change
log consumer code would extend ChangeLogConsumerBase and
then leverage the Google Directory API Java client library.
If anybody has written such a change log consumer and can
share it we would be grateful to hear about it.
Given the current project scope we think this is the most
- building a custom Grouper change log consumer to provision
changes to a message bus/queue, and then write a custom
queue client against the Google Directory API to provision
into Google: this approach is much like the above one but
introduces the message bus/queue as a mediator rather than
provisioning into Google directly. The primary attraction of
this approach is that it provides extra flexibility to
introduce more clients later so that more that just Google
could be provisioned. The down side is introducing another
layer and making the infrastructure more complex.
Brown and the University of Washington appear to have taken
this approach. Are either able to share code?
Are there other approaches we should consider?
Any thoughts about the relative ranking of the three
Other than the Google Apps throttling, are there other issues
people have run into and that we should consider?
Thank you in advance for any input you have.
- [grouper-users] provisioning to Google Apps, Scott Koranda, 07/22/2013
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