Description of problem:
SAML2 and Federation Support on RHOSP

Version-Release number of selected component (if applicable):
OpenStack 17.x

How reproducible:
N/A

Steps to Reproduce:
1.
2.
3.

Actual results:
IT-Sec would like to enable SSO/Federation support on RHOSP

Expected results:
IT-Sec would like to enable SSO/Federation support on RHOSP

Additional info:
We see that SAML and Federation Support is only for lab settings and not for production stack envrionment [1]

I would like to implement SSO by SAML2 or Federation as per the upstream doc. https://docs.openstack.org/keystone/pike/admin/federated-identity.html

[1] https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.1/html/federate_with_identity_service/introduction