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Current Directory: /opt/imh-python/lib/python3.9/site-packages/libcloud/dns/drivers
Viewing File: /opt/imh-python/lib/python3.9/site-packages/libcloud/dns/drivers/luadns.py
# 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.

try:
    import simplejson as json
except ImportError:
    import json

from libcloud.common.luadns import LuadnsResponse, LuadnsConnection
from libcloud.common.luadns import LuadnsException
from libcloud.dns.base import DNSDriver, Zone, Record
from libcloud.dns.types import Provider, RecordType
from libcloud.dns.types import ZoneDoesNotExistError, ZoneAlreadyExistsError
from libcloud.dns.types import RecordDoesNotExistError


__all__ = [
    'LuadnsDNSDriver'
]


class LuadnsDNSResponse(LuadnsResponse):
    pass


class LuadnsDNSConnection(LuadnsConnection):
    responseCls = LuadnsDNSResponse


class LuadnsDNSDriver(DNSDriver):
    type = Provider.LUADNS
    name = 'Luadns'
    website = 'https://www.luadns.com'
    connectionCls = LuadnsDNSConnection

    RECORD_TYPE_MAP = {
        RecordType.A: 'A',
        RecordType.AAAA: 'AAAA',
        RecordType.CNAME: 'CNAME',
        RecordType.MX: 'MX',
        RecordType.NS: 'NS',
        RecordType.PTR: 'PTR',
        RecordType.SOA: 'SOA',
        RecordType.SRV: 'SRV',
        RecordType.TXT: 'TXT'
    }

    def list_zones(self):
        """
        Return a list of zones.

        :return: ``list`` of :class:`Zone`
        """
        action = '/v1/zones'
        response = self.connection.request(action=action,
                                           method='GET')
        zones = self._to_zones(response.parse_body())

        return zones

    def get_zone(self, zone_id):
        """
        Return a Zone instance.

        :param zone_id: ID of the required zone
        :type  zone_id: ``str``

        :rtype: :class:`Zone`
        """
        action = '/v1/zones/%s' % zone_id
        try:
            response = self.connection.request(action=action)
        except LuadnsException as e:
            if e.message in ['Zone not found.', 'Resource not found.']:
                raise ZoneDoesNotExistError(zone_id=zone_id,
                                            value='', driver=self)
            else:
                raise e

        zone = self._to_zone(response.parse_body())

        return zone

    def delete_zone(self, zone):
        """
        Delete a zone.

        Note: This will delete all the records belonging to this zone.

        :param zone: Zone to delete.
        :type  zone: :class:`Zone`

        :rtype: ``bool``
        """
        action = '/v1/zones/%s' % zone.id
        try:
            response = self.connection.request(action=action,
                                               method='DELETE')
        except LuadnsException as e:
            if e.message in ['Resource not found.', 'Zone not found.']:
                raise ZoneDoesNotExistError(zone_id=zone.id,
                                            value='', driver=self)
            else:
                raise e

        return response.status == 200

    def create_zone(self, domain, type='master', ttl=None, extra=None):
        """
        Create a new zone.

        :param domain: Zone domain name (e.g. example.com)
        :type domain: ``str``

        :param type: Zone type (This is not really used. See API docs for extra
                     parameters).
        :type  type: ``str``

        :param ttl: TTL for new records. (This is not really used)
        :type  ttl: ``int``

        :param extra: Extra attributes (driver specific). ('region_support',
                      'zone_data')
        :type extra: ``dict``

        :rtype: :class:`Zone`
        """
        action = '/v1/zones'
        data = json.dumps({'name': domain})
        try:
            response = self.connection.request(action=action,
                                               method='POST',
                                               data=data)
        except LuadnsException as e:
            if e.message == "Zone '%s' is taken already." % domain:
                raise ZoneAlreadyExistsError(zone_id=domain,
                                             value='',
                                             driver=self)
            else:
                raise e
        zone = self._to_zone(response.parse_body())

        return zone

    def list_records(self, zone):
        """
        Return a list of records for the provided zone.

        :param zone: Zone to list records for.
        :type zone: :class:`Zone`

        :return: ``list`` of :class:`Record`
        """
        action = '/v1/zones/%s/records' % zone.id
        response = self.connection.request(action=action)
        records = self._to_records(response.parse_body(), zone=zone)

        return records

    def get_record(self, zone_id, record_id):
        """
        Return a Record instance.

        :param zone_id: ID of the required zone
        :type  zone_id: ``str``

        :param record_id: ID of the required record
        :type  record_id: ``str``

        :rtype: :class:`Record`
        """
        zone = self.get_zone(zone_id=zone_id)
        action = '/v1/zones/%s/records/%s' % (zone_id, record_id)
        try:
            response = self.connection.request(action=action)
        except LuadnsException as e:
            if e.message == 'Record not found.':
                raise RecordDoesNotExistError(record_id=record_id, driver=self,
                                              value='')
            else:
                raise e

        record = self._to_record(response.parse_body(), zone=zone)

        return record

    def delete_record(self, record):
        """
        Delete a record.

        :param record: Record to delete.
        :type  record: :class:`Record`

        :rtype: ``bool``
        """
        action = '/v1/zones/%s/records/%s' % (record.zone.id, record.id)
        try:
            response = self.connection.request(action=action,
                                               method='DELETE')
        except LuadnsException as e:
            if e.message == 'Record not found.':
                raise RecordDoesNotExistError(record_id=record.id, driver=self,
                                              value='')
            else:
                raise e

        return response.status == 200

    def create_record(self, name, zone, type, data, extra=None):
        """
        Create a 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 which the records will be created for.
        :type zone: :class:`Zone`

        :param type: DNS record type ( 'A', 'AAAA', 'CNAME', 'MX', 'NS',
                     'PTR', 'SOA', 'SRV', 'TXT').
        :type  type: :class:`RecordType`

        :param data: Data for the record (depends on the record type).
        :type  data: ``str``

        :param extra: (optional) Extra attributes ('prio', 'ttl').
        :type  extra: ``dict``

        :rtype: :class:`Record`
        """
        action = '/v1/zones/%s/records' % zone.id
        to_post = {'name': name, 'content': data, 'type': type,
                   'zone_id': int(zone.id)}
        # ttl is required to create a record for luadns
        # pass it through extra like this: extra={'ttl':ttl}
        if extra is not None:
            to_post.update(extra)
        data = json.dumps(to_post)
        try:
            response = self.connection.request(action=action,
                                               method='POST',
                                               data=data)
        except LuadnsException as e:
            raise e

        record = self._to_record(response.parse_body(), zone=zone)

        return record

    def _to_zone(self, item):
        common_attr = ['id', 'name']
        extra = {}
        for key in item:
            if key not in common_attr:
                extra[key] = item.get(key)
        zone = Zone(domain=item['name'], id=item['id'], type=None,
                    ttl=None, driver=self, extra=extra)

        return zone

    def _to_zones(self, items):
        zones = []
        for item in items:
            zones.append(self._to_zone(item))

        return zones

    def _to_record(self, item, zone):
        common_attr = ['id', 'content', 'name', 'type']
        extra = {}
        for key in item:
            if key not in common_attr:
                extra[key] = item.get(key)
        record = Record(id=item['id'], name=item['name'], type=item['type'],
                        data=item['content'], zone=zone, driver=self,
                        extra=extra)

        return record

    def _to_records(self, items, zone):
        records = []
        for item in items:
            records.append(self._to_record(item, zone))

        return records
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