# File lib/fog/baremetal/openstack.rb, line 239
        def credentials
          {:provider                 => 'openstack',
           :openstack_auth_url       => @openstack_auth_uri.to_s,
           :openstack_auth_token     => @auth_token,
           :openstack_region         => @openstack_region,
           :openstack_management_url => @openstack_management_url}
        end