Description of problem:
When deploying with OSP10 you hit this error:

Failed to run action [action_ex_id=521185e1-bea7-40db-9f42-1629377eb289, action_cls='<class 'mistral.actions.action_factory.DeployStackAction'>', attributes='{}', params='{u'container': u'overcloud', u'timeout': 240}'] ERROR: Failed to validate: : resources.ControllerServiceChain: : Failed to validate nested template: Property error: resources[10].properties: Property KeystoneCredential0 not assigned

The automatic generation of these parameters is addressed by the following patches, but they are not pulled downstream yet:
https://review.openstack.org/#/c/381169/
https://review.openstack.org/#/c/375544/

See also related bug upstream: https://bugs.launchpad.net/tripleo/+bug/1626422


Version-Release number of selected component (if applicable):
Puddle 2016-09-22.2 (OSP 10 Beta candidate)


How reproducible:
100%