Description of problem: Followed OSPD lab doc http://10.33.11.10/pub/director-training/ 

openstack overcloud deploy --templates     --ntp-server 10.5.26.10 --control-scale 3 --compute-scale 2     --neutron-tunnel-types vxlan --neutron-network-type vxlan
Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates
ERROR: openstack Heat Stack update failed.

Version-Release number of selected component (if applicable):
rhel7.1
openstack-tripleo-puppet-elements-0.0.1-4.el7ost.noarch
openstack-heat-common-2015.1.0-6.el7ost.noarch

How reproducible:
Unsure first time I hit this. 

Steps to Reproduce:
1. Follow guide till you get to -> openstack overcloud deploy step
2.
3.

Actual results:
ERROR: openstack Heat Stack update failed.

Expected results:
Should complete overcloud deployment. 

Additional info:

ControllerNodesPostDeployment               |
| ControllerOvercloudServicesDeployment_Step7 | 3ebdbf51-a507-4043-9b5e-c0a812d22502          | OS::Heat::StructuredDeployments                   | UPDATE_FAILED   | 2015-09-01T12:10:55Z | ControllerNodesPostDeployment               |
| 1                                           | 56c68ea8-0115-4018-b1b4-a42833254602          | OS::Heat::StructuredDeployment                    | CREATE_FAILED   | 2015-09-01T12:10:58Z | ControllerOvercloudServicesDeployment_Step7 |
+---------------------------------------------+-----------------------------------------------+---------------------------------------------------+-----------------+----------------------+---------------------------------------------+

[stack@undercloud ~]$ heat deployment-show 56c68ea8-0115-4018-b1b4-a42833254602 
.....
....
 release.\u001b[0m\n\u001b[1;31mWarning: The package type's allow_virtual parameter will be changing its default value from false to true in a future release. If you do not want to allow virtual packages, please explicitly set allow_virtual to false.\n   (at /usr/share/ruby/vendor_ruby/puppet/type.rb:816:in `set_default')\u001b[0m\n\u001b[1;31mError: Could not prefetch keystone_tenant provider 'openstack': undefined method `collect' for nil:NilClass\u001b[0m\n\u001b[1;31mError: Could not prefetch keystone_role provider 'openstack': undefined method `collect' for nil:NilClass\u001b[0m\n\u001b[1;31mError: Could not prefetch keystone_user provider 'openstack': undefined method `collect' for nil:NilClass\u001b[0m\n\u001b[1;31mError: /Stage[main]/Keystone::Roles::Admin/Keystone_user_role[admin@admin]: Could not evaluate: undefined method `empty?' for nil:NilClass\u001b[0m\n\u001b[1;31mWarning: /Stage[main]/Heat::Keystone::Domain/Exec[heat_domain_create]: Skipping because of failed dependencies\u001b[0m\n\u001b[1;31mWarning: /Stage[main]/Heat::Keystone::Domain/Heat_domain_id_setter[heat_domain_id]: Skipping because of failed dependencies\u001b[0m\n", 
    "deploy_status_code": 6
  }, 
  "creation_time": "2015-09-01T12:10:59Z", 
  "updated_time": "2015-09-01T12:15:49Z", 
  "input_values": {}, 
  "action": "CREATE", 
  "status_reason": "deploy_status_code : Deployment exited with non-zero status code: 6", 
  "id": "56c68ea8-0115-4018-b1b4-a42833254602"
}

System is still up if logs or access is needed.