mirror of
https://github.com/github/octodns.git
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354 lines
11 KiB
Python
354 lines
11 KiB
Python
#
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#
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#
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from __future__ import absolute_import, division, print_function, \
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unicode_literals
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from suds import WebFault
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from collections import defaultdict
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from .base import BaseProvider
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from logging import getLogger
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from ..record import Record
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from transip.service.domain import DomainService
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from transip.service.objects import DnsEntry
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class TransipException(Exception):
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pass
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class TransipConfigException(TransipException):
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pass
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class TransipNewZoneException(TransipException):
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pass
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class TransipProvider(BaseProvider):
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'''
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Transip DNS provider
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transip:
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class: octodns.provider.transip.TransipProvider
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# Your Transip account name (required)
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account: yourname
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# Path to a private key file (required if key is not used)
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key_file: /path/to/file
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# The api key as string (required if key_file is not used)
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key: |
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\'''
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-----BEGIN PRIVATE KEY-----
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...
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-----END PRIVATE KEY-----
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\'''
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# if both `key_file` and `key` are presented `key_file` is used
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'''
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SUPPORTS_GEO = False
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SUPPORTS_DYNAMIC = False
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SUPPORTS = set(
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('A', 'AAAA', 'CNAME', 'MX', 'SRV', 'SPF', 'TXT', 'SSHFP', 'CAA'))
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# unsupported by OctoDNS: 'TLSA'
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MIN_TTL = 120
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TIMEOUT = 15
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ROOT_RECORD = '@'
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def __init__(self, id, account, key=None, key_file=None, *args, **kwargs):
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self.log = getLogger('TransipProvider[{}]'.format(id))
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self.log.debug('__init__: id=%s, account=%s, token=***', id,
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account)
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super(TransipProvider, self).__init__(id, *args, **kwargs)
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if key_file is not None:
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self._client = DomainService(account, private_key_file=key_file)
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elif key is not None:
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self._client = DomainService(account, private_key=key)
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else:
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raise TransipConfigException(
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'Missing `key` of `key_file` parameter in config'
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)
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self.account = account
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self.key = key
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self._currentZone = {}
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def populate(self, zone, target=False, lenient=False):
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exists = False
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self._currentZone = zone
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self.log.debug('populate: name=%s, target=%s, lenient=%s', zone.name,
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target, lenient)
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before = len(zone.records)
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try:
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zoneInfo = self._client.get_info(zone.name[:-1])
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except WebFault as e:
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if e.fault.faultcode == '102' and target is False:
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# Zone not found in account, and not a target so just
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# leave an empty zone.
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return exists
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elif e.fault.faultcode == '102' and target is True:
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self.log.warning('populate: Transip can\'t create new zones')
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raise TransipNewZoneException(
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('populate: ({}) Transip used ' +
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'as target for non-existing zone: {}').format(
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e.fault.faultcode, zone.name))
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else:
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self.log.error('populate: (%s) %s ', e.fault.faultcode,
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e.fault.faultstring)
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raise e
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self.log.debug('populate: found %s records for zone %s',
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len(zoneInfo.dnsEntries), zone.name)
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exists = True
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if zoneInfo.dnsEntries:
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values = defaultdict(lambda: defaultdict(list))
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for record in zoneInfo.dnsEntries:
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name = zone.hostname_from_fqdn(record['name'])
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if name == self.ROOT_RECORD:
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name = ''
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if record['type'] in self.SUPPORTS:
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values[name][record['type']].append(record)
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for name, types in values.items():
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for _type, records in types.items():
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data_for = getattr(self, '_data_for_{}'.format(_type))
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record = Record.new(zone, name, data_for(_type, records),
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source=self, lenient=lenient)
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zone.add_record(record, lenient=lenient)
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self.log.info('populate: found %s records, exists = %s',
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len(zone.records) - before, exists)
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self._currentZone = {}
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return exists
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def _apply(self, plan):
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desired = plan.desired
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changes = plan.changes
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self.log.debug('apply: zone=%s, changes=%d', desired.name,
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len(changes))
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self._currentZone = plan.desired
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try:
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self._client.get_info(plan.desired.name[:-1])
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except WebFault as e:
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self.log.exception('_apply: get_info failed')
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raise e
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_dns_entries = []
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for record in plan.desired.records:
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if record._type in self.SUPPORTS:
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entries_for = getattr(self,
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'_entries_for_{}'.format(record._type))
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# Root records have '@' as name
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name = record.name
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if name == '':
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name = self.ROOT_RECORD
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_dns_entries.extend(entries_for(name, record))
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try:
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self._client.set_dns_entries(plan.desired.name[:-1], _dns_entries)
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except WebFault as e:
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self.log.warning(('_apply: Set DNS returned ' +
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'one or more errors: {}').format(
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e.fault.faultstring))
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raise TransipException(200, e.fault.faultstring)
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self._currentZone = {}
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def _entries_for_multiple(self, name, record):
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_entries = []
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for value in record.values:
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_entries.append(DnsEntry(name, record.ttl, record._type, value))
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return _entries
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def _entries_for_single(self, name, record):
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return [DnsEntry(name, record.ttl, record._type, record.value)]
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_entries_for_A = _entries_for_multiple
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_entries_for_AAAA = _entries_for_multiple
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_entries_for_NS = _entries_for_multiple
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_entries_for_SPF = _entries_for_multiple
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_entries_for_CNAME = _entries_for_single
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def _entries_for_MX(self, name, record):
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_entries = []
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for value in record.values:
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content = "{} {}".format(value.preference, value.exchange)
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_entries.append(DnsEntry(name, record.ttl, record._type, content))
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return _entries
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def _entries_for_SRV(self, name, record):
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_entries = []
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for value in record.values:
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content = "{} {} {} {}".format(value.priority, value.weight,
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value.port, value.target)
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_entries.append(DnsEntry(name, record.ttl, record._type, content))
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return _entries
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def _entries_for_SSHFP(self, name, record):
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_entries = []
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for value in record.values:
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content = "{} {} {}".format(value.algorithm,
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value.fingerprint_type,
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value.fingerprint)
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_entries.append(DnsEntry(name, record.ttl, record._type, content))
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return _entries
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def _entries_for_CAA(self, name, record):
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_entries = []
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for value in record.values:
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content = "{} {} {}".format(value.flags, value.tag,
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value.value)
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_entries.append(DnsEntry(name, record.ttl, record._type, content))
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return _entries
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def _entries_for_TXT(self, name, record):
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_entries = []
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for value in record.values:
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value = value.replace('\\;', ';')
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_entries.append(DnsEntry(name, record.ttl, record._type, value))
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return _entries
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def _parse_to_fqdn(self, value):
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# Enforce switch from suds.sax.text.Text to string
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value = str(value)
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# TransIP allows '@' as value to alias the root record.
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# this provider won't set an '@' value, but can be an existing record
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if value == self.ROOT_RECORD:
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value = self._currentZone.name
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if value[-1] != '.':
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self.log.debug('parseToFQDN: changed %s to %s', value,
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'{}.{}'.format(value, self._currentZone.name))
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value = '{}.{}'.format(value, self._currentZone.name)
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return value
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def _get_lowest_ttl(self, records):
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_ttl = 100000
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for record in records:
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_ttl = min(_ttl, record['expire'])
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return _ttl
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def _data_for_multiple(self, _type, records):
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_values = []
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for record in records:
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# Enforce switch from suds.sax.text.Text to string
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_values.append(str(record['content']))
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return {
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'ttl': self._get_lowest_ttl(records),
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'type': _type,
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'values': _values
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}
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_data_for_A = _data_for_multiple
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_data_for_AAAA = _data_for_multiple
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_data_for_NS = _data_for_multiple
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_data_for_SPF = _data_for_multiple
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def _data_for_CNAME(self, _type, records):
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return {
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'ttl': records[0]['expire'],
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'type': _type,
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'value': self._parse_to_fqdn(records[0]['content'])
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}
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def _data_for_MX(self, _type, records):
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_values = []
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for record in records:
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preference, exchange = record['content'].split(" ", 1)
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_values.append({
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'preference': preference,
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'exchange': self._parse_to_fqdn(exchange)
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})
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return {
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'ttl': self._get_lowest_ttl(records),
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'type': _type,
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'values': _values
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}
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def _data_for_SRV(self, _type, records):
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_values = []
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for record in records:
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priority, weight, port, target = record['content'].split(' ', 3)
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_values.append({
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'port': port,
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'priority': priority,
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'target': self._parse_to_fqdn(target),
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'weight': weight
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})
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return {
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'type': _type,
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'ttl': self._get_lowest_ttl(records),
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'values': _values
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}
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def _data_for_SSHFP(self, _type, records):
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_values = []
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for record in records:
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algorithm, fp_type, fingerprint = record['content'].split(' ', 2)
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_values.append({
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'algorithm': algorithm,
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'fingerprint': fingerprint.lower(),
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'fingerprint_type': fp_type
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})
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return {
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'type': _type,
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'ttl': self._get_lowest_ttl(records),
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'values': _values
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}
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def _data_for_CAA(self, _type, records):
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_values = []
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for record in records:
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flags, tag, value = record['content'].split(' ', 2)
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_values.append({
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'flags': flags,
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'tag': tag,
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'value': value
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})
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return {
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'type': _type,
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'ttl': self._get_lowest_ttl(records),
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'values': _values
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}
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def _data_for_TXT(self, _type, records):
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_values = []
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for record in records:
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_values.append(record['content'].replace(';', '\\;'))
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return {
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'type': _type,
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'ttl': self._get_lowest_ttl(records),
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'values': _values
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}
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