82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
# Copyright 2014 Rackspace Inc.
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#
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# Author: Tim Simmons <tim.simmons@rackspace.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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agent.service
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~~~~~~~~~~~~~
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Typically runs on the resolver hosts. Listen for incoming DNS requests
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on a port different than 53 and execute create_zone/delete_zone on the
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backend adaptor (e.g. Bind9)
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Configured in [service:agent]
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"""
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from oslo_config import cfg
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from designate import utils
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from designate import dnsutils
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from designate import service
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from designate.agent import handler
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from designate.backend import agent_backend
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from designate.utils import DEFAULT_AGENT_PORT
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CONF = cfg.CONF
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class Service(service.Service):
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_dns_default_port = DEFAULT_AGENT_PORT
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def __init__(self):
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super(Service, self).__init__(
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self.service_name, threads=cfg.CONF['service:agent'].threads
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)
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self.dns_service = service.DNSService(
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self.dns_application, self.tg,
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cfg.CONF['service:agent'].listen,
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cfg.CONF['service:agent'].tcp_backlog,
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cfg.CONF['service:agent'].tcp_recv_timeout,
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)
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backend_driver = cfg.CONF['service:agent'].backend_driver
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self.backend = agent_backend.get_backend(backend_driver, self)
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def start(self):
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super(Service, self).start()
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self.dns_service.start()
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self.backend.start()
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def stop(self, graceful=False):
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self.dns_service.stop()
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self.backend.stop()
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super(Service, self).stop(graceful)
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@property
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def service_name(self):
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return 'agent'
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@property
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@utils.cache_result
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def dns_application(self):
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# Create an instance of the RequestHandler class
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application = handler.RequestHandler()
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if cfg.CONF['service:agent'].notify_delay > 0.0:
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application = dnsutils.LimitNotifyMiddleware(application)
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application = dnsutils.SerializationMiddleware(application)
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return application
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