    # File lib/fog/openstack/identity.rb, line 156
            def credentials
              { :provider                  => 'openstack',
                :openstack_auth_url        => @openstack_auth_uri.to_s,
                :openstack_auth_token      => @auth_token,
                :openstack_management_url  => @openstack_management_url,
                :openstack_current_user_id => @openstack_current_user_id,
                :current_user              => @current_user,
                :current_tenant            => @current_tenant}
            end