Algumas referências sobre integração LDAP + Keystone
Material da Folsom
http://docs.openstack.org/folsom/openstack-compute/admin/content/configuring-keystone-for-ldap-backend.html
Keystone com open LDAP e horizon (grizzly)
https://ask.openstack.org/en/question/1350/how-to-configure-keystone-with-open-ldap-horizon-on-grizzly/
Change I672b90e6: Read-only default domain for LDAP (bug 1168726)
https://review.openstack.org/#/c/28197
Openstack Keystone LDAP Redux
http://adam.younglogic.com/2012/02/openstack-keystone-ldap-redux/
Re: New schema for LDAP + Keystone Grizzly?
https://lists.launchpad.net/openstack/msg22556.html
How to configure Keystone with open LDAP + horizon on grizzly
https://lists.launchpad.net/openstack/msg23814.html
Enable the Keystone LDAP back end in OpenStack
http://www.ibm.com/developerworks/cloud/library/cl-ldap-keystone/