api.py 文件源码

def update_resource_class(self, context, uuid, values):
        if 'uuid' in values:
            msg = _("Cannot override UUID for an existing resource class.")
            raise exception.InvalidParameterValue(err=msg)
        try:
            target = self.client.read('/resource_classes/' + uuid)
            target_value = json.loads(target.value)
            target_value.update(values)
            target.value = json.dump_as_bytes(target_value)
            self.client.update(target)
        except etcd.EtcdKeyNotFound:
            raise exception.ResourceClassNotFound(resource_class=uuid)
        except Exception as e:
            LOG.error(
                'Error occurred while updating resource class: %s',
                six.text_type(e))
            raise
        return translate_etcd_result(target, 'resource_class')