125 lines
3.9 KiB
Python
125 lines
3.9 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""DNS Provider implementation."""
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from oslo_config import cfg
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import pyrax
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from poppy.dns import base
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from poppy.dns.rackspace import controllers
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from poppy.dns.rackspace.helpers import retry_exceptions
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from poppy.openstack.common import log as logging
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RACKSPACE_OPTIONS = [
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cfg.StrOpt('username', default='',
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help='Keystone Username'),
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cfg.StrOpt('api_key', default='',
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help='Keystone API Key'),
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cfg.BoolOpt('sharding_enabled', default=True,
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help='Enable Sharding?'),
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cfg.IntOpt('num_shards', default=10, help='Number of Shards to use'),
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cfg.StrOpt('shard_prefix', default='cdn',
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help='The shard prefix to use'),
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cfg.IntOpt('shared_ssl_num_shards', default=5, help='Number of Shards '
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'to use in generating shared ssl domain suffix'),
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cfg.StrOpt('shared_ssl_shard_prefix', default='scdn',
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help='The shard prefix to use '
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'in generating shared ssl domain suffix'),
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cfg.StrOpt('shared_ssl_domain_suffix', default='',
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help='The shared ssl domain suffix to generate'
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' shared ssl domain'),
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cfg.StrOpt('url', default='',
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help='The url for customers to CNAME to'),
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cfg.StrOpt('email', help='The email to be provided to Rackspace DNS for'
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'creating subdomains'),
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cfg.StrOpt('auth_endpoint', default='',
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help='Authentication end point for DNS'),
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cfg.IntOpt('timeout', default=30, help='DNS response timeout'),
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cfg.IntOpt('delay', default=1, help='DNS retry delay'),
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cfg.StrOpt('url_404', default='',
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help='The url to CNAME to when a service is disabled'),
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]
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RACKSPACE_GROUP = 'drivers:dns:rackspace'
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LOG = logging.getLogger(__name__)
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class DNSProvider(base.Driver):
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"""Rackspace DNS Provider."""
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def __init__(self, conf):
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super(DNSProvider, self).__init__(conf)
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self._conf.register_opts(RACKSPACE_OPTIONS, group=RACKSPACE_GROUP)
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self.rackdns_conf = self._conf[RACKSPACE_GROUP]
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if self.rackdns_conf.auth_endpoint:
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pyrax.set_setting("auth_endpoint", self.rackdns_conf.auth_endpoint)
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pyrax.set_setting("identity_type", "rackspace")
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pyrax.set_credentials(self.rackdns_conf.username,
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self.rackdns_conf.api_key)
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self.rackdns_client = pyrax.cloud_dns
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self.rackdns_client.set_timeout(self.rackdns_conf.timeout)
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self.rackdns_client.set_delay(self.rackdns_conf.delay)
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def is_alive(self):
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"""is_alive.
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:return boolean
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"""
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try:
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self.rackdns_client.list()
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except Exception:
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return False
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return True
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@property
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def dns_name(self):
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"""DNS provider name.
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:return 'Rackspace Cloud DNS'
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"""
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return 'Rackspace_Cloud_DNS'
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@property
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def client(self):
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"""Client to this provider.
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:return client
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"""
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return self.rackdns_client
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@property
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def services_controller(self):
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"""Hook for service controller.
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:return service_controller
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"""
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return controllers.ServicesController(self)
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@property
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def retry_exceptions(self):
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"""Retry on certain exceptions.
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:return list
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"""
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return retry_exceptions
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