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github-octodns/octodns/provider/gandi.py
2021-09-04 17:06:33 -07:00

378 lines
12 KiB
Python

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