Description of problem:

After login on to my overcloud controller in horizon, I see

- "Error: Unable to retrieve volume list."
- "Error: Unable to retrieve snapshot list."



Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. deploy overcloud using rdo-manager cli
2. login to horizon 
3.

Actual results:

- "Error: Unable to retrieve volume list."
- "Error: Unable to retrieve snapshot list."


Expected results:


Additional info:

Seems that cinder volumev2 endpoint as you can see in horizon.log:


2015-06-22 15:48:42,637 13352 WARNING openstack_dashboard.api.cinder Cinder v2 requested but no 'volumev2' service type available in Keystone catalog.
2015-06-22 15:48:42,638 13352 WARNING horizon.exceptions Recoverable error: Invalid URL '/os-volume-transfer/detail': No schema supplied. Perhaps you meant http:///os-volume-transfer/detail?
2015-06-22 15:48:42,891 13352 WARNING horizon.exceptions Recoverable error: Invalid URL '/snapshots/detail': No schema supplied. Perhaps you meant http:///snapshots/detail?
2015-06-22 15:48:42,998 13352 ERROR horizon.tables.base Error while checking action permissions.
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 1260, in _filter_action
    return action._allowed(request, datum) and row_matched
  File "/usr/lib/python2.7/site-packages/horizon/tables/actions.py", line 136, in _allowed
    self.allowed(request, datum))
  File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/dashboards/project/volumes/volumes/tables.py", line 108, in allowed
    limits = api.cinder.tenant_absolute_limits(request)
  File "/usr/lib/python2.7/site-packages/horizon/utils/memoized.py", line 90, in wrapped
    value = cache[key] = func(*args, **kwargs)
  File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/api/cinder.py", line 547, in tenant_absolute_limits
    limits = cinderclient(request).limits.get().absolute
  File "/usr/lib/python2.7/site-packages/cinderclient/v2/limits.py", line 91, in get
    return self._get("/limits", "limits")
  File "/usr/lib/python2.7/site-packages/cinderclient/base.py", line 149, in _get
    resp, body = self.api.client.get(url)
  File "/usr/lib/python2.7/site-packages/cinderclient/client.py", line 302, in get
    return self._cs_request(url, 'GET', **kwargs)
  File "/usr/lib/python2.7/site-packages/cinderclient/client.py", line 269, in _cs_request
    **kwargs)