@content
    def PATCH(self, cluster_id):
        cluster = self.get_object_or_404(objects.Cluster, cluster_id)

        if not cluster.attributes:
            raise self.http(500, "No attributes found!")

        force = utils.parse_bool(web.input(force='0').force)

        data = self.checked_data(cluster=cluster, force=force)
        objects.Cluster.patch_attributes(cluster, data)

        return {
            'editable': objects.Cluster.get_editable_attributes(
                cluster, all_plugins_versions=True)
        }
:returns: JSONized Cluster attributes.
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/api/v1/handlers/cluster.py/ClusterAttributesHandler.PATCH