# File lib/fog/orchestration/openstack.rb, line 122
        def credentials
          {:provider                    => 'openstack',
           :openstack_auth_url          => @openstack_auth_uri.to_s,
           :openstack_auth_token        => @auth_token,
           :openstack_management_url    => @openstack_management_url,
           :openstack_identity_endpoint => @openstack_identity_public_endpoint}
        end