195 lines
7.0 KiB
Python
195 lines
7.0 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
|
|
# contributor license agreements. See the NOTICE file distributed with
|
|
# this work for additional information regarding copyright ownership.
|
|
# The ASF licenses this file to You under the Apache License, Version 2.0
|
|
# (the "License"); you may not use this file except in compliance with
|
|
# the License.You may obtain a copy of the License at
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
"""
|
|
NFSN DNS Driver
|
|
"""
|
|
import re
|
|
|
|
from libcloud.common.exceptions import BaseHTTPError
|
|
from libcloud.common.nfsn import NFSNConnection
|
|
from libcloud.dns.base import DNSDriver, Zone, Record
|
|
from libcloud.dns.types import ZoneDoesNotExistError, RecordDoesNotExistError
|
|
from libcloud.dns.types import RecordAlreadyExistsError
|
|
from libcloud.dns.types import Provider, RecordType
|
|
from libcloud.utils.py3 import httplib
|
|
|
|
__all__ = [
|
|
'NFSNDNSDriver',
|
|
]
|
|
|
|
# The NFSN API does not return any internal "ID" strings for any DNS records.
|
|
# This means that we must set all returned Record objects' id properties to
|
|
# None. It also means that we cannot implement libcloud APIs that rely on
|
|
# record_id, such as get_record(). Instead, the NFSN-specific
|
|
# ex_get_records_by() method will return the desired Record objects.
|
|
#
|
|
# Additionally, the NFSN API does not provide ways to create, delete, or list
|
|
# all zones, so create_zone(), delete_zone(), and list_zones() are not
|
|
# implemented.
|
|
|
|
|
|
class NFSNDNSDriver(DNSDriver):
|
|
type = Provider.NFSN
|
|
name = 'NFSN DNS'
|
|
website = 'https://www.nearlyfreespeech.net'
|
|
connectionCls = NFSNConnection
|
|
|
|
RECORD_TYPE_MAP = {
|
|
RecordType.A: 'A',
|
|
RecordType.AAAA: 'AAAA',
|
|
RecordType.CNAME: 'CNAME',
|
|
RecordType.MX: 'MX',
|
|
RecordType.NS: 'NS',
|
|
RecordType.SRV: 'SRV',
|
|
RecordType.TXT: 'TXT',
|
|
RecordType.PTR: 'PTR',
|
|
}
|
|
|
|
def list_records(self, zone):
|
|
"""
|
|
Return a list of all records for the provided zone.
|
|
|
|
:param zone: Zone to list records for.
|
|
:type zone: :class:`Zone`
|
|
|
|
:return: ``list`` of :class:`Record`
|
|
"""
|
|
# Just use ex_get_records_by() with no name or type filters.
|
|
return self.ex_get_records_by(zone)
|
|
|
|
def get_zone(self, zone_id):
|
|
"""
|
|
Return a Zone instance.
|
|
|
|
:param zone_id: name of the required zone, for example "example.com".
|
|
:type zone_id: ``str``
|
|
|
|
:rtype: :class:`Zone`
|
|
:raises: ZoneDoesNotExistError: If no zone could be found.
|
|
"""
|
|
# We will check if there is a serial property for this zone. If so,
|
|
# then the zone exists.
|
|
try:
|
|
self.connection.request(action='/dns/%s/serial' % zone_id)
|
|
except BaseHTTPError as e:
|
|
if e.code == httplib.NOT_FOUND:
|
|
raise ZoneDoesNotExistError(zone_id=None, driver=self,
|
|
value=e.message)
|
|
raise e
|
|
return Zone(id=None, domain=zone_id, type='master', ttl=3600,
|
|
driver=self)
|
|
|
|
def ex_get_records_by(self, zone, name=None, type=None):
|
|
"""
|
|
Return a list of records for the provided zone, filtered by name and/or
|
|
type.
|
|
|
|
:param zone: Zone to list records for.
|
|
:type zone: :class:`Zone`
|
|
|
|
:param zone: Zone where the requested records are found.
|
|
:type zone: :class:`Zone`
|
|
|
|
:param name: name of the records, for example "www". (optional)
|
|
:type name: ``str``
|
|
|
|
:param type: DNS record type (A, MX, TXT). (optional)
|
|
:type type: :class:`RecordType`
|
|
|
|
:return: ``list`` of :class:`Record`
|
|
"""
|
|
payload = {}
|
|
if name is not None:
|
|
payload['name'] = name
|
|
if type is not None:
|
|
payload['type'] = type
|
|
|
|
action = '/dns/%s/listRRs' % zone.domain
|
|
response = self.connection.request(action=action, data=payload,
|
|
method='POST')
|
|
return self._to_records(response, zone)
|
|
|
|
def create_record(self, name, zone, type, data, extra=None):
|
|
"""
|
|
Create a new record.
|
|
|
|
:param name: Record name without the domain name (e.g. www).
|
|
Note: If you want to create a record for a base domain
|
|
name, you should specify empty string ('') for this
|
|
argument.
|
|
:type name: ``str``
|
|
|
|
:param zone: Zone where the requested record is created.
|
|
:type zone: :class:`Zone`
|
|
|
|
:param type: DNS record type (A, MX, TXT).
|
|
:type type: :class:`RecordType`
|
|
|
|
:param data: Data for the record (depends on the record type).
|
|
:type data: ``str``
|
|
|
|
:param extra: Extra attributes (driver specific, e.g. 'ttl').
|
|
(optional)
|
|
:type extra: ``dict``
|
|
|
|
:rtype: :class:`Record`
|
|
"""
|
|
action = '/dns/%s/addRR' % zone.domain
|
|
payload = {'name': name, 'data': data, 'type': type}
|
|
if extra is not None and extra.get('ttl', None) is not None:
|
|
payload['ttl'] = extra['ttl']
|
|
try:
|
|
self.connection.request(action=action, data=payload, method='POST')
|
|
except BaseHTTPError as e:
|
|
exists_re = re.compile(r'That RR already exists on the domain')
|
|
if e.code == httplib.BAD_REQUEST and \
|
|
re.search(exists_re, e.message) is not None:
|
|
value = '"%s" already exists in %s' % (name, zone.domain)
|
|
raise RecordAlreadyExistsError(value=value, driver=self,
|
|
record_id=None)
|
|
raise e
|
|
return self.ex_get_records_by(zone=zone, name=name, type=type)[0]
|
|
|
|
def delete_record(self, record):
|
|
"""
|
|
Use this method to delete a record.
|
|
|
|
:param record: record to delete
|
|
:type record: `Record`
|
|
|
|
:rtype: Bool
|
|
"""
|
|
action = '/dns/%s/removeRR' % record.zone.domain
|
|
payload = {'name': record.name, 'data': record.data,
|
|
'type': record.type}
|
|
try:
|
|
self.connection.request(action=action, data=payload, method='POST')
|
|
except BaseHTTPError as e:
|
|
if e.code == httplib.NOT_FOUND:
|
|
raise RecordDoesNotExistError(value=e.message, driver=self,
|
|
record_id=None)
|
|
raise e
|
|
return True
|
|
|
|
def _to_record(self, item, zone):
|
|
ttl = int(item['ttl'])
|
|
return Record(id=None, name=item['name'], data=item['data'],
|
|
type=item['type'], zone=zone, driver=self, ttl=ttl)
|
|
|
|
def _to_records(self, items, zone):
|
|
records = []
|
|
for item in items.object:
|
|
records.append(self._to_record(item, zone))
|
|
return records
|