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github-octodns/octodns/provider/ultra.py
Nikolay Denev 049bdb55af Shorten line
2020-12-11 17:47:22 +00:00

451 lines
15 KiB
Python

from collections import defaultdict
from ipaddress import ip_address
from logging import getLogger
from requests import Session
from ..record import Record
from .base import BaseProvider
class UltraClientException(Exception):
'''
Base Ultra exception type
'''
pass
class UltraNoZonesExistException(UltraClientException):
'''
Specially handling this condition where no zones exist in an account.
This is not an error exactly yet ultra treats this scenario as though a
failure has occurred.
'''
def __init__(self, data):
super(UltraNoZonesExistException, self).__init__('NoZonesExist')
class UltraClientUnauthorized(UltraClientException):
'''
Exception for invalid credentials.
'''
def __init__(self):
super(UltraClientUnauthorized, self).__init__('Unauthorized')
class UltraProvider(BaseProvider):
'''
Neustar UltraDNS provider
Documentation for Ultra REST API requires a login:
https://portal.ultradns.com/static/docs/REST-API_User_Guide.pdf
Implemented to the May 20, 2020 version of the document (dated on page ii)
Also described as Version 2.83.0 (title page)
Tested against 3.0.0-20200627220036.81047f5
As determined by querying https://api.ultradns.com/version
ultra:
class: octodns.provider.ultra.UltraProvider
# Ultra Account Name (required)
account: acct
# Ultra username (required)
username: user
# Ultra password (required)
password: pass
'''
RECORDS_TO_TYPE = {
'A (1)': 'A',
'AAAA (28)': 'AAAA',
'CAA (257)': 'CAA',
'CNAME (5)': 'CNAME',
'MX (15)': 'MX',
'NS (2)': 'NS',
'PTR (12)': 'PTR',
'SPF (99)': 'SPF',
'SRV (33)': 'SRV',
'TXT (16)': 'TXT',
}
TYPE_TO_RECORDS = {v: k for k, v in RECORDS_TO_TYPE.items()}
SUPPORTS = set(TYPE_TO_RECORDS.keys())
SUPPORTS_GEO = False
SUPPORTS_DYNAMIC = False
TIMEOUT = 5
def _request(self, method, path, params=None,
data=None, json=None, json_response=True):
self.log.debug('_request: method=%s, path=%s', method, path)
url = '{}{}'.format(self._base_uri, path)
resp = self._sess.request(method,
url,
params=params,
data=data,
json=json,
timeout=self._timeout)
self.log.debug('_request: status=%d', resp.status_code)
if resp.status_code == 401:
raise UltraClientUnauthorized()
if json_response:
payload = resp.json()
# Expected return value when no zones exist in an account
if resp.status_code == 404 and len(payload) == 1 and \
payload[0]['errorCode'] == 70002:
raise UltraNoZonesExistException(resp)
else:
payload = resp.text
resp.raise_for_status()
return payload
def _get(self, path, **kwargs):
return self._request('GET', path, **kwargs)
def _post(self, path, **kwargs):
return self._request('POST', path, **kwargs)
def _delete(self, path, **kwargs):
return self._request('DELETE', path, **kwargs)
def _put(self, path, **kwargs):
return self._request('PUT', path, **kwargs)
def _login(self, username, password):
'''
Get an authorization token by logging in using the provided credentials
'''
path = '/v2/authorization/token'
data = {
'grant_type': 'password',
'username': username,
'password': password
}
resp = self._post(path, data=data)
self._sess.headers.update({
'Authorization': 'Bearer {}'.format(resp['access_token']),
})
def __init__(self, id, account, username, password, timeout=TIMEOUT,
*args, **kwargs):
self.log = getLogger('UltraProvider[{}]'.format(id))
self.log.debug('__init__: id=%s, account=%s, username=%s, '
'password=***', id, account, username)
super(UltraProvider, self).__init__(id, *args, **kwargs)
self._base_uri = 'https://restapi.ultradns.com'
self._sess = Session()
self._account = account
self._timeout = timeout
self._login(username, password)
self._zones = None
self._zone_records = {}
@property
def zones(self):
if self._zones is None:
offset = 0
limit = 100
zones = []
paging = True
while paging:
data = {'limit': limit, 'q': 'zone_type:PRIMARY',
'offset': offset}
try:
resp = self._get('/v2/zones', params=data)
except UltraNoZonesExistException:
paging = False
continue
zones.extend(resp['zones'])
info = resp['resultInfo']
if info['offset'] + info['returnedCount'] < info['totalCount']:
offset += info['returnedCount']
else:
paging = False
self._zones = [z['properties']['name'] for z in zones]
return self._zones
def _data_for_multiple(self, _type, records):
return {
'ttl': records['ttl'],
'type': _type,
'values': records['rdata'],
}
_data_for_A = _data_for_multiple
_data_for_SPF = _data_for_multiple
_data_for_NS = _data_for_multiple
def _data_for_TXT(self, _type, records):
return {
'ttl': records['ttl'],
'type': _type,
'values': [r.replace(';', '\\;') for r in records['rdata']],
}
def _data_for_AAAA(self, _type, records):
for i, v in enumerate(records['rdata']):
records['rdata'][i] = str(ip_address(v))
return {
'ttl': records['ttl'],
'type': _type,
'values': records['rdata'],
}
def _data_for_single(self, _type, record):
return {
'type': _type,
'ttl': record['ttl'],
'value': record['rdata'][0],
}
_data_for_PTR = _data_for_single
_data_for_CNAME = _data_for_single
def _data_for_CAA(self, _type, records):
return {
'type': _type,
'ttl': records['ttl'],
'values': [{'flags': x.split()[0],
'tag': x.split()[1],
'value': x.split()[2].strip('"')}
for x in records['rdata']]
}
def _data_for_MX(self, _type, records):
return {
'type': _type,
'ttl': records['ttl'],
'values': [{'preference': x.split()[0],
'exchange': x.split()[1]}
for x in records['rdata']]
}
def _data_for_SRV(self, _type, records):
return {
'type': _type,
'ttl': records['ttl'],
'values': [{
'priority': x.split()[0],
'weight': x.split()[1],
'port': x.split()[2],
'target': x.split()[3],
} for x in records['rdata']]
}
def zone_records(self, zone):
if zone.name not in self._zone_records:
if zone.name not in self.zones:
return []
records = []
path = '/v2/zones/{}/rrsets'.format(zone.name)
offset = 0
limit = 100
paging = True
while paging:
resp = self._get(path,
params={'offset': offset, 'limit': limit})
records.extend(resp['rrSets'])
info = resp['resultInfo']
if info['offset'] + info['returnedCount'] < info['totalCount']:
offset += info['returnedCount']
else:
paging = False
self._zone_records[zone.name] = records
return self._zone_records[zone.name]
def _record_for(self, zone, name, _type, records, lenient):
data_for = getattr(self, '_data_for_{}'.format(_type))
data = data_for(_type, records)
record = Record.new(zone, name, data, source=self, lenient=lenient)
return record
def populate(self, zone, target=False, lenient=False):
self.log.debug('populate: name=%s, target=%s, lenient=%s', zone.name,
target, lenient)
exists = False
before = len(zone.records)
records = self.zone_records(zone)
if records:
exists = True
values = defaultdict(lambda: defaultdict(None))
for record in records:
name = zone.hostname_from_fqdn(record['ownerName'])
if record['rrtype'] == 'SOA (6)':
continue
try:
_type = self.RECORDS_TO_TYPE[record['rrtype']]
except KeyError:
self.log.warning('populate: ignoring record with '
'unsupported rrtype, %s %s',
name, record['rrtype'])
continue
values[name][_type] = record
for name, types in values.items():
for _type, records in types.items():
record = self._record_for(zone, name, _type, records,
lenient)
zone.add_record(record, lenient=lenient)
self.log.info('populate: found %s records, exists=%s',
len(zone.records) - before, exists)
return exists
def _apply(self, plan):
desired = plan.desired
changes = plan.changes
self.log.debug('_apply: zone=%s, len(changes)=%d', desired.name,
len(changes))
name = desired.name
if name not in self.zones:
self.log.debug('_apply: no matching zone, creating')
data = {'properties': {'name': name,
'accountName': self._account,
'type': 'PRIMARY'},
'primaryCreateInfo': {
'createType': 'NEW'}}
self._post('/v2/zones', json=data)
self.zones.append(name)
self._zone_records[name] = {}
for change in changes:
class_name = change.__class__.__name__
getattr(self, '_apply_{}'.format(class_name))(change)
# Clear the cache
self._zone_records.pop(name, None)
def _contents_for_multiple_resource_distribution(self, record):
if len(record.values) > 1:
return {
'ttl': record.ttl,
'rdata': record.values,
'profile': {
'@context':
'http://schemas.ultradns.com/RDPool.jsonschema',
'order': 'FIXED',
'description': record.fqdn
}
}
return {
'ttl': record.ttl,
'rdata': record.values
}
_contents_for_A = _contents_for_multiple_resource_distribution
_contents_for_AAAA = _contents_for_multiple_resource_distribution
def _contents_for_multiple(self, record):
return {
'ttl': record.ttl,
'rdata': record.values
}
_contents_for_NS = _contents_for_multiple
_contents_for_SPF = _contents_for_multiple
def _contents_for_TXT(self, record):
return {
'ttl': record.ttl,
'rdata': [v.replace('\\;', ';') for v in record.values]
}
def _contents_for_CNAME(self, record):
return {
'ttl': record.ttl,
'rdata': [record.value]
}
_contents_for_PTR = _contents_for_CNAME
def _contents_for_SRV(self, record):
return {
'ttl': record.ttl,
'rdata': ['{} {} {} {}'.format(x.priority,
x.weight,
x.port,
x.target) for x in record.values]
}
def _contents_for_CAA(self, record):
return {
'ttl': record.ttl,
'rdata': ['{} {} {}'.format(x.flags,
x.tag,
x.value) for x in record.values]
}
def _contents_for_MX(self, record):
return {
'ttl': record.ttl,
'rdata': ['{} {}'.format(x.preference,
x.exchange) for x in record.values]
}
def _gen_data(self, record):
zone_name = self._remove_prefix(record.fqdn, record.name + '.')
path = '/v2/zones/{}/rrsets/{}/{}'.format(zone_name,
record._type,
record.fqdn)
contents_for = getattr(self, '_contents_for_{}'.format(record._type))
return path, contents_for(record)
def _apply_Create(self, change):
new = change.new
self.log.debug("_apply_Create: name=%s type=%s ttl=%s",
new.name,
new._type,
new.ttl)
path, content = self._gen_data(new)
self._post(path, json=content)
def _apply_Update(self, change):
new = change.new
self.log.debug("_apply_Update: name=%s type=%s ttl=%s",
new.name,
new._type,
new.ttl)
path, content = self._gen_data(new)
self.log.debug(path)
self.log.debug(content)
self._put(path, json=content)
def _remove_prefix(self, text, prefix):
if text.startswith(prefix):
return text[len(prefix):]
return text
def _apply_Delete(self, change):
existing = change.existing
for record in self.zone_records(existing.zone):
if record['rrtype'] == 'SOA (6)':
continue
if existing.fqdn == record['ownerName'] and \
existing._type == self.RECORDS_TO_TYPE[record['rrtype']]:
zone_name = self._remove_prefix(existing.fqdn,
existing.name + '.')
path = '/v2/zones/{}/rrsets/{}/{}'.format(zone_name,
existing._type,
existing.fqdn)
self._delete(path, json_response=False)