mainline: Liberty-vm launch through horizon failed

Vm creation through horizon UI failed with below trace. But through cli it works.

similar issue reported in bug: https://bugs.launchpad.net/nova/+bug/1550449

Trace
====

Fri Feb 26 22:45:58.243475 2016] [:error] [pid 3693:tid 140450561328896] Recoverable error: 'NoneType' object has no attribute 'find'
[Fri Feb 26 22:46:26.192888 2016] [:error] [pid 3693:tid 140450594932480] Cinder v2 requested but no 'volumev2' service type available in Keystone catalog.
[Fri Feb 26 22:46:26.193392 2016] [:error] [pid 3693:tid 140450594932480] Recoverable error: 'NoneType' object has no attribute 'find'
[Fri Feb 26 22:46:26.193766 2016] [:error] [pid 3693:tid 140450594932480] Recoverable error: 'NoneType' object has no attribute 'find'
[Fri Feb 26 22:46:26.260419 2016] [:error] [pid 3693:tid 140450594932480] Internal Server Error: /horizon/project/instances/launch
[Fri Feb 26 22:46:26.260454 2016] [:error] [pid 3693:tid 140450594932480] Traceback (most recent call last):
[Fri Feb 26 22:46:26.260461 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 111, in get_response
[Fri Feb 26 22:46:26.260467 2016] [:error] [pid 3693:tid 140450594932480] response = wrapped_callback(request, *callback_args, **callback_kwargs)
[Fri Feb 26 22:46:26.260472 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/decorators.py", line 36, in dec

[Fri Feb 26 22:46:26.260472 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/decorators.py", line 36, in dec
[Fri Feb 26 22:46:26.260478 2016] [:error] [pid 3693:tid 140450594932480] return view_func(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260483 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/decorators.py", line 52, in dec
[Fri Feb 26 22:46:26.260488 2016] [:error] [pid 3693:tid 140450594932480] return view_func(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260494 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/decorators.py", line 36, in dec
[Fri Feb 26 22:46:26.260499 2016] [:error] [pid 3693:tid 140450594932480] return view_func(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260505 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/decorators.py", line 84, in dec
[Fri Feb 26 22:46:26.260510 2016] [:error] [pid 3693:tid 140450594932480] return view_func(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260515 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 69, in view
[Fri Feb 26 22:46:26.260521 2016] [:error] [pid 3693:tid 140450594932480] return self.dispatch(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260538 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 87, in dispatch
[Fri Feb 26 22:46:26.260543 2016] [:error] [pid 3693:tid 140450594932480] return handler(request, *args, **kwargs)
[Fri Feb 26 22:46:26.260547 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/workflows/views.py", line 167, in post
[Fri Feb 26 22:46:26.260552 2016] [:error] [pid 3693:tid 140450594932480] context = self.get_context_data(**kwargs)
[Fri Feb 26 22:46:26.260557 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/workflows/views.py", line 91, in get_context_data
[Fri Feb 26 22:46:26.260563 2016] [:error] [pid 3693:tid 140450594932480] workflow = self.get_workflow()
[Fri Feb 26 22:46:26.260567 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/workflows/views.py", line 81, in get_workflow
[Fri Feb 26 22:46:26.260572 2016] [:error] [pid 3693:tid 140450594932480] entry_point=entry_point)
[Fri Feb 26 22:46:26.260577 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/workflows/base.py", line 651, in __init__
[Fri Feb 26 22:46:26.260585 2016] [:error] [pid 3693:tid 140450594932480] valid = step.action.is_valid()
[Fri Feb 26 22:46:26.260610 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/forms/forms.py", line 162, in is_valid
[Fri Feb 26 22:46:26.260615 2016] [:error] [pid 3693:tid 140450594932480] return self.is_bound and not bool(self.errors)
[Fri Feb 26 22:46:26.260619 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/forms/forms.py", line 154, in errors
[Fri Feb 26 22:46:26.260624 2016] [:error] [pid 3693:tid 140450594932480] self.full_clean()
[Fri Feb 26 22:46:26.260628 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/forms/forms.py", line 354, in full_clean
[Fri Feb 26 22:46:26.260632 2016] [:error] [pid 3693:tid 140450594932480] self._clean_form()

[Fri Feb 26 22:46:26.260636 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/django/forms/forms.py", line 378, in _clean_form
[Fri Feb 26 22:46:26.260640 2016] [:error] [pid 3693:tid 140450594932480] cleaned_data = self.clean()
[Fri Feb 26 22:46:26.260644 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/dashboards/project/instances/workflows/create_instance.py", line 367, in clean
[Fri Feb 26 22:46:26.260648 2016] [:error] [pid 3693:tid 140450594932480] self._check_quotas(cleaned_data)
[Fri Feb 26 22:46:26.260653 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/dashboards/project/instances/workflows/create_instance.py", line 209, in _check_quotas
[Fri Feb 26 22:46:26.260657 2016] [:error] [pid 3693:tid 140450594932480] usages = quotas.tenant_quota_usages(self.request)
[Fri Feb 26 22:46:26.260662 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../horizon/utils/memoized.py", line 90, in wrapped
[Fri Feb 26 22:46:26.260666 2016] [:error] [pid 3693:tid 140450594932480] value = cache[key] = func(*args, **kwargs)
[Fri Feb 26 22:46:26.260671 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/usage/quotas.py", line 365, in tenant_quota_usages
[Fri Feb 26 22:46:26.260676 2016] [:error] [pid 3693:tid 140450594932480] tenant_id=tenant_id):
[Fri Feb 26 22:46:26.260679 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/usage/quotas.py", line 171, in get_tenant_quota_data
[Fri Feb 26 22:46:26.260687 2016] [:error] [pid 3693:tid 140450594932480] tenant_id=tenant_id)
[Fri Feb 26 22:46:26.260690 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/usage/quotas.py", line 149, in _get_quota_data
[Fri Feb 26 22:46:26.260693 2016] [:error] [pid 3693:tid 140450594932480] quotasets.append(getattr(cinder, method_name)(request, tenant_id))
[Fri Feb 26 22:46:26.260695 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/api/cinder.py", line 419, in tenant_quota_get
[Fri Feb 26 22:46:26.260698 2016] [:error] [pid 3693:tid 140450594932480] return base.QuotaSet(c_client.quotas.get(tenant_id))
[Fri Feb 26 22:46:26.260700 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/cinderclient/v2/quotas.py", line 37, in get
[Fri Feb 26 22:46:26.260703 2016] [:error] [pid 3693:tid 140450594932480] "quota_set")
[Fri Feb 26 22:46:26.260705 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/cinderclient/base.py", line 173, in _get
[Fri Feb 26 22:46:26.260708 2016] [:error] [pid 3693:tid 140450594932480] resp, body = self.api.client.get(url)
[Fri Feb 26 22:46:26.260710 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/cinderclient/client.py", line 303, in get
[Fri Feb 26 22:46:26.260718 2016] [:error] [pid 3693:tid 140450594932480] return self._cs_request(url, 'GET', **kwargs)
[Fri Feb 26 22:46:26.260721 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/cinderclient/client.py", line 260, in _cs_request
[Fri Feb 26 22:46:26.260724 2016] [:error] [pid 3693:tid 140450594932480] self.authenticate()
[Fri Feb 26 22:46:26.260727 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/dist-packages/cinderclient/client.py", line 378, in authenticate
[Fri Feb 26 22:46:26.260733 2016] [:error] [pid 3693:tid 140450594932480] magic_tuple = urlparse.urlsplit(self.auth_url)
[Fri Feb 26 22:46:26.260735 2016] [:error] [pid 3693:tid 140450594932480] File "/usr/lib/python2.7/urlparse.py", line 182, in urlsplit
[Fri Feb 26 22:46:26.260738 2016] [:error] [pid 3693:tid 140450594932480] i = url.find(':')
[Fri Feb 26 22:46:26.260740 2016] [:error] [pid 3693:tid 140450594932480] AttributeError: 'NoneType' object has no attribute 'find