Comment 1 for bug 1354499

This is the exception you'll see if your Keystone endpoint still uses the Cinder V1 api and you upgrade to the latest nova code:

Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] bdm.attach(*attach_args, **attach_kwargs)
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] File "/opt/stack/venvs/nova/lib/python2.7/site-packages/nova/virt/block_device.py", line 316, in attach
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] '', '', image_id=self.image_id)
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] File "/opt/stack/venvs/nova/lib/python2.7/site-packages/nova/volume/cinder.py", line 367, in create
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] version = get_cinder_client_version(context)
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] File "/opt/stack/venvs/nova/lib/python2.7/site-packages/nova/volume/cinder.py", line 237, in get_cinder_client_version
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] endpoint_type=endpoint_type)
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] File "/opt/stack/venvs/nova/lib/python2.7/site-packages/cinderclient/service_catalog.py", line 80, in url_for
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] raise cinderclient.exceptions.EndpointNotFound()
Aug 07 20:11:05 overcloud-novacompute0-fj442a7p4zp6 nova-compute[2720]: 2014-08-07 20:11:05.501 2720 TRACE nova.compute.manager [instance: f3ecce77-84c9-4ea6-80c1-e5b8177860d6] EndpointNotFound