mirror of
https://github.com/github/octodns.git
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378 lines
12 KiB
Python
378 lines
12 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 collections import defaultdict
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from requests import Session
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import logging
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from ..record import Record
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from . import ProviderException
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from .base import BaseProvider
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class GandiClientException(ProviderException):
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pass
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class GandiClientBadRequest(GandiClientException):
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def __init__(self, r):
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super(GandiClientBadRequest, self).__init__(r.text)
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class GandiClientUnauthorized(GandiClientException):
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def __init__(self, r):
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super(GandiClientUnauthorized, self).__init__(r.text)
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class GandiClientForbidden(GandiClientException):
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def __init__(self, r):
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super(GandiClientForbidden, self).__init__(r.text)
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class GandiClientNotFound(GandiClientException):
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def __init__(self, r):
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super(GandiClientNotFound, self).__init__(r.text)
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class GandiClientUnknownDomainName(GandiClientException):
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def __init__(self, msg):
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super(GandiClientUnknownDomainName, self).__init__(msg)
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class GandiClient(object):
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def __init__(self, token):
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session = Session()
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session.headers.update({'Authorization': f'Apikey {token}'})
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self._session = session
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self.endpoint = 'https://api.gandi.net/v5'
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def _request(self, method, path, params={}, data=None):
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url = f'{self.endpoint}{path}'
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r = self._session.request(method, url, params=params, json=data)
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if r.status_code == 400:
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raise GandiClientBadRequest(r)
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if r.status_code == 401:
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raise GandiClientUnauthorized(r)
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elif r.status_code == 403:
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raise GandiClientForbidden(r)
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elif r.status_code == 404:
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raise GandiClientNotFound(r)
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r.raise_for_status()
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return r
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def zone(self, zone_name):
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return self._request('GET', f'/livedns/domains/{zone_name}').json()
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def zone_create(self, zone_name):
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return self._request('POST', '/livedns/domains', data={
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'fqdn': zone_name,
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'zone': {}
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}).json()
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def zone_records(self, zone_name):
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records = self._request('GET',
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f'/livedns/domains/{zone_name}/records').json()
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for record in records:
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if record['rrset_name'] == '@':
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record['rrset_name'] = ''
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# Change relative targets to absolute ones.
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if record['rrset_type'] in ['ALIAS', 'CNAME', 'DNAME', 'MX',
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'NS', 'SRV']:
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for i, value in enumerate(record['rrset_values']):
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if not value.endswith('.'):
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record['rrset_values'][i] = f'{value}.{zone_name}.'
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return records
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def record_create(self, zone_name, data):
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self._request('POST', f'/livedns/domains/{zone_name}/records',
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data=data)
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def record_delete(self, zone_name, record_name, record_type):
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self._request('DELETE', f'/livedns/domains/{zone_name}/records/'
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f'{record_name}/{record_type}')
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class GandiProvider(BaseProvider):
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'''
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Gandi provider using API v5.
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gandi:
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class: octodns.provider.gandi.GandiProvider
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# Your API key (required)
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token: XXXXXXXXXXXX
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'''
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SUPPORTS_GEO = False
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SUPPORTS_DYNAMIC = False
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SUPPORTS = set((['A', 'AAAA', 'ALIAS', 'CAA', 'CNAME', 'DNAME',
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'MX', 'NS', 'PTR', 'SPF', 'SRV', 'SSHFP', 'TXT']))
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def __init__(self, id, token, *args, **kwargs):
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self.log = logging.getLogger(f'GandiProvider[{id}]')
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self.log.debug('__init__: id=%s, token=***', id)
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super(GandiProvider, self).__init__(id, *args, **kwargs)
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self._client = GandiClient(token)
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self._zone_records = {}
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def _data_for_multiple(self, _type, records):
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return {
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'ttl': records[0]['rrset_ttl'],
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'type': _type,
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'values': [v.replace(';', '\\;') for v in
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records[0]['rrset_values']] if _type == 'TXT' else
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records[0]['rrset_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_TXT = _data_for_multiple
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_data_for_SPF = _data_for_multiple
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_data_for_NS = _data_for_multiple
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def _data_for_CAA(self, _type, records):
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values = []
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for record in records[0]['rrset_values']:
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flags, tag, value = record.split(' ')
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values.append({
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'flags': flags,
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'tag': tag,
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# Remove quotes around value.
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'value': value[1:-1],
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})
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return {
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'ttl': records[0]['rrset_ttl'],
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'type': _type,
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'values': values
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}
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def _data_for_single(self, _type, records):
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return {
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'ttl': records[0]['rrset_ttl'],
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'type': _type,
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'value': records[0]['rrset_values'][0]
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}
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_data_for_ALIAS = _data_for_single
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_data_for_CNAME = _data_for_single
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_data_for_DNAME = _data_for_single
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_data_for_PTR = _data_for_single
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def _data_for_MX(self, _type, records):
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values = []
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for record in records[0]['rrset_values']:
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priority, server = record.split(' ')
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values.append({
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'preference': priority,
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'exchange': server
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})
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return {
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'ttl': records[0]['rrset_ttl'],
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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[0]['rrset_values']:
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priority, weight, port, target = record.split(' ', 3)
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values.append({
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'priority': priority,
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'weight': weight,
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'port': port,
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'target': target
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})
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return {
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'ttl': records[0]['rrset_ttl'],
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'type': _type,
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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[0]['rrset_values']:
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algorithm, fingerprint_type, fingerprint = record.split(' ', 2)
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values.append({
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'algorithm': algorithm,
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'fingerprint': fingerprint,
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'fingerprint_type': fingerprint_type
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})
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return {
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'ttl': records[0]['rrset_ttl'],
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'type': _type,
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'values': values
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}
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def zone_records(self, zone):
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if zone.name not in self._zone_records:
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try:
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self._zone_records[zone.name] = \
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self._client.zone_records(zone.name[:-1])
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except GandiClientNotFound:
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return []
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return self._zone_records[zone.name]
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def populate(self, zone, target=False, lenient=False):
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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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values = defaultdict(lambda: defaultdict(list))
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for record in self.zone_records(zone):
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_type = record['rrset_type']
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if _type not in self.SUPPORTS:
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continue
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values[record['rrset_name']][record['rrset_type']].append(record)
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before = len(zone.records)
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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, f'_data_for_{_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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exists = zone.name in self._zone_records
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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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return exists
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def _record_name(self, name):
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return name if name else '@'
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def _params_for_multiple(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [v.replace('\\;', ';') for v in
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record.values] if record._type == 'TXT'
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else record.values
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}
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_params_for_A = _params_for_multiple
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_params_for_AAAA = _params_for_multiple
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_params_for_NS = _params_for_multiple
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_params_for_TXT = _params_for_multiple
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_params_for_SPF = _params_for_multiple
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def _params_for_CAA(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [f'{v.flags} {v.tag} "{v.value}"'
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for v in record.values]
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}
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def _params_for_single(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [record.value]
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}
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_params_for_ALIAS = _params_for_single
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_params_for_CNAME = _params_for_single
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_params_for_DNAME = _params_for_single
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_params_for_PTR = _params_for_single
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def _params_for_MX(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [f'{v.preference} {v.exchange}'
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for v in record.values]
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}
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def _params_for_SRV(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [f'{v.priority} {v.weight} {v.port} {v.target}'
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for v in record.values]
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}
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def _params_for_SSHFP(self, record):
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return {
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'rrset_name': self._record_name(record.name),
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'rrset_ttl': record.ttl,
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'rrset_type': record._type,
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'rrset_values': [f'{v.algorithm} {v.fingerprint_type} '
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f'{v.fingerprint}' for v in record.values]
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}
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def _apply_create(self, change):
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new = change.new
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data = getattr(self, f'_params_for_{new._type}')(new)
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self._client.record_create(new.zone.name[:-1], data)
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def _apply_update(self, change):
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self._apply_delete(change)
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self._apply_create(change)
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def _apply_delete(self, change):
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existing = change.existing
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zone = existing.zone
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self._client.record_delete(zone.name[:-1],
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self._record_name(existing.name),
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existing._type)
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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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zone = desired.name[:-1]
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self.log.debug('_apply: zone=%s, len(changes)=%d', desired.name,
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len(changes))
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try:
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self._client.zone(zone)
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except GandiClientNotFound:
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self.log.info('_apply: no existing zone, trying to create it')
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try:
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self._client.zone_create(zone)
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self.log.info('_apply: zone has been successfully created')
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except GandiClientNotFound:
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# We suppress existing exception before raising
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# GandiClientUnknownDomainName.
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e = GandiClientUnknownDomainName('This domain is not '
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'registered at Gandi. '
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'Please register or '
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'transfer it here '
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'to be able to manage its '
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'DNS zone.')
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e.__cause__ = None
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raise e
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# Force records deletion to be done before creation in order to avoid
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# "CNAME record must be the only record" error when an existing CNAME
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# record is replaced by an A/AAAA record.
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changes.reverse()
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for change in changes:
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class_name = change.__class__.__name__
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getattr(self, f'_apply_{class_name.lower()}')(change)
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# Clear out the cache if any
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self._zone_records.pop(desired.name, None)
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