http://docs.openstack.org/api/openstack-identity-service/2.0/content/POST_authenticate_v2.0_tokens_Token_Operations.html indicates tenantName is optional. I think this is enough.
I did find that the JSON request in http://docs.openstack.org/api/openstack-identity-service/2.0/content/Request_Response_Types-d1e149.html has extra <span> tags though, will fix.
http:// docs.openstack. org/api/ openstack- identity- service/ 2.0/content/ POST_authentica te_v2.0_ tokens_ Token_Operation s.html indicates tenantName is optional. I think this is enough.
I did find that the JSON request in http:// docs.openstack. org/api/ openstack- identity- service/ 2.0/content/ Request_ Response_ Types-d1e149. html has extra <span> tags though, will fix.