Source code for designate.mdns.xfr

# Copyright 2014 Hewlett-Packard Development Company, L.P.
# Author: Endre Karlson <>
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import time

from oslo_config import cfg
from oslo_log import log as logging
from oslo_utils import timeutils

from designate import dnsutils
from designate import exceptions
from designate.mdns import base
from designate.metrics import metrics

LOG = logging.getLogger(__name__)

[docs]class XFRMixin(object): """ Utility mixin that holds common methods for XFR functionality. """
[docs] def zone_sync(self, context, zone, servers=None): start_time = time.time() try: servers = servers or zone.masters servers = servers.to_list() timeout = cfg.CONF["service:mdns"].xfr_timeout try: dnspython_zone = dnsutils.do_axfr(, servers, timeout=timeout) except exceptions.XFRFailure as e: LOG.warning(e) return zone.update(dnsutils.from_dnspython_zone(dnspython_zone)) zone.transferred_at = timeutils.utcnow() zone.obj_reset_changes(["name"]) self.central_api.update_zone(context, zone, increment_serial=False) finally: metrics.timing('mdns.xfr.zone_sync', time.time() - start_time)
[docs]class XfrEndpoint(base.BaseEndpoint, XFRMixin): RPC_API_VERSION = '1.0' RPC_API_NAMESPACE = 'xfr'
[docs] def perform_zone_xfr(self, context, zone): self.zone_sync(context, zone)