Source code for libcloud.dns.drivers.vultr

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"""
Vultr DNS Driver
"""

from libcloud.utils.py3 import urlencode
from libcloud.common.vultr import VultrConnection, VultrResponse
from libcloud.dns.base import DNSDriver, Zone, Record
from libcloud.dns.types import ZoneDoesNotExistError, RecordDoesNotExistError
from libcloud.dns.types import ZoneAlreadyExistsError, RecordAlreadyExistsError
from libcloud.dns.types import Provider, RecordType


__all__ = [
    'ZoneRequiredException',
    'VultrDNSResponse',
    'VultrDNSConnection',
    'VultrDNSDriver',
]


[docs]class ZoneRequiredException(Exception): pass
[docs]class VultrDNSResponse(VultrResponse): pass
[docs]class VultrDNSConnection(VultrConnection): responseCls = VultrDNSResponse
[docs]class VultrDNSDriver(DNSDriver): type = Provider.VULTR name = 'Vultr DNS' website = 'http://www.vultr.com/' connectionCls = VultrDNSConnection RECORD_TYPE_MAP = { RecordType.A: 'A', RecordType.AAAA: 'AAAA', RecordType.TXT: 'TXT', RecordType.CNAME: 'CNAME', RecordType.MX: 'MX', RecordType.NS: 'NS', RecordType.SRV: 'SRV', }
[docs] def list_zones(self): """ 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/dns/list' params = {'api_key': self.key} response = self.connection.request(action=action, params=params) zones = self._to_zones(response.objects[0]) return zones
[docs] def list_records(self, zone): """ Returns a list of records for the provided zone. :param zone: zone to list records for :type zone: `Zone` :rtype: list of :class: `Record` """ if not isinstance(zone, Zone): raise ZoneRequiredException('zone should be of type Zone') zones = self.list_zones() if not self.ex_zone_exists(zone.domain, zones): raise ZoneDoesNotExistError(value='', driver=self, zone_id=zone.domain) action = '/v1/dns/records' params = {'domain': zone.domain} response = self.connection.request(action=action, params=params) records = self._to_records(response.objects[0], zone=zone) return records
[docs] def get_zone(self, zone_id): """ Returns a `Zone` instance. :param zone_id: name of the zone user wants to get. :type zone_id: ``str`` :rtype: :class:`Zone` """ ret_zone = None action = '/v1/dns/list' params = {'api_key': self.key} response = self.connection.request(action=action, params=params) zones = self._to_zones(response.objects[0]) if not self.ex_zone_exists(zone_id, zones): raise ZoneDoesNotExistError(value=None, zone_id=zone_id, driver=self) for zone in zones: if zone_id == zone.domain: ret_zone = zone return ret_zone
[docs] def get_record(self, zone_id, record_id): """ Returns a Record instance. :param zone_id: name of the required zone :type zone_id: ``str`` :param record_id: ID of the required record :type record_id: ``str`` :rtype: :class: `Record` """ ret_record = None zone = self.get_zone(zone_id=zone_id) records = self.list_records(zone=zone) if not self.ex_record_exists(record_id, records): raise RecordDoesNotExistError(value='', driver=self, record_id=record_id) for record in records: if record_id == record.id: ret_record = record return ret_record
[docs] def create_zone(self, domain, type='master', ttl=None, extra=None): """ Returns a `Zone` object. :param domain: Zone domain name, (e.g. example.com). :type domain: ``str`` :param type: Zone type (master / slave). :type type: ``str`` :param ttl: TTL for new records. (optional) :type ttl: ``int`` :param extra: (optional) Extra attributes (driver specific). (e.g. {'serverip':'127.0.0.1'}) """ extra = extra or {} if extra and extra.get('serverip'): serverip = extra['serverip'] params = {'api_key': self.key} data = urlencode({'domain': domain, 'serverip': serverip}) action = '/v1/dns/create_domain' zones = self.list_zones() if self.ex_zone_exists(domain, zones): raise ZoneAlreadyExistsError(value='', driver=self, zone_id=domain) self.connection.request(params=params, action=action, data=data, method='POST') zone = Zone(id=domain, domain=domain, type=type, ttl=ttl, driver=self, extra=extra) return zone
[docs] 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, AAAA, ...). :type type: :class:`RecordType` :param data: Data for the record (depends on the record type). :type data: ``str`` :param extra: Extra attributes (driver specific). (optional) :type extra: ``dict`` :rtype: :class:`Record` """ extra = extra or {} ret_record = None old_records_list = self.list_records(zone=zone) # check if record already exists # if exists raise RecordAlreadyExistsError for record in old_records_list: if record.name == name and record.data == data: raise RecordAlreadyExistsError(value='', driver=self, record_id=record.id) MX = self.RECORD_TYPE_MAP.get('MX') SRV = self.RECORD_TYPE_MAP.get('SRV') if extra and extra.get('priority'): priority = int(extra['priority']) post_data = {'domain': zone.domain, 'name': name, 'type': self.RECORD_TYPE_MAP.get(type), 'data': data} if type == MX or type == SRV: post_data['priority'] = priority encoded_data = urlencode(post_data) params = {'api_key': self.key} action = '/v1/dns/create_record' self.connection.request(action=action, params=params, data=encoded_data, method='POST') updated_zone_records = zone.list_records() for record in updated_zone_records: if record.name == name and record.data == data: ret_record = record return ret_record
[docs] 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/dns/delete_domain' params = {'api_key': self.key} data = urlencode({'domain': zone.domain}) zones = self.list_zones() if not self.ex_zone_exists(zone.domain, zones): raise ZoneDoesNotExistError(value='', driver=self, zone_id=zone.domain) response = self.connection.request(params=params, action=action, data=data, method='POST') return response.status == 200
[docs] def delete_record(self, record): """ Delete a record. :param record: Record to delete. :type record: :class:`Record` :rtype: ``bool`` """ action = '/v1/dns/delete_record' params = {'api_key': self.key} data = urlencode({'RECORDID': record.id, 'domain': record.zone.domain}) zone_records = self.list_records(record.zone) if not self.ex_record_exists(record.id, zone_records): raise RecordDoesNotExistError(value='', driver=self, record_id=record.id) response = self.connection.request(action=action, params=params, data=data, method='POST') return response.status == 200
[docs] def ex_zone_exists(self, zone_id, zones_list): """ Function to check if a `Zone` object exists. :param zone_id: Name of the `Zone` object. :type zone_id: ``str`` :param zones_list: A list containing `Zone` objects :type zones_list: ``list`` :rtype: Returns `True` or `False` """ zone_ids = [] for zone in zones_list: zone_ids.append(zone.domain) return zone_id in zone_ids
[docs] def ex_record_exists(self, record_id, records_list): """ :param record_id: Name of the `Record` object. :type record_id: ``str`` :param records_list: A list containing `Record` objects :type records_list: ``list`` :rtype: ``bool`` """ record_ids = [] for record in records_list: record_ids.append(record.id) return record_id in record_ids
def _to_zone(self, item): """ Build an object `Zone` from the item dictionary :param item: item to build the zone from :type item: `dictionary` :rtype: :instance: `Zone` """ type = 'master' extra = {'date_created': item['date_created']} zone = Zone(id=item['domain'], domain=item['domain'], driver=self, type=type, ttl=None, extra=extra) return zone def _to_zones(self, items): """ Returns a list of `Zone` objects. :param: items: a list that contains dictionary objects to be passed to the _to_zone function. :type items: ``list`` """ zones = [] for item in items: zones.append(self._to_zone(item)) return zones def _to_record(self, item, zone): extra = {} if item.get('priority'): extra['priority'] = item['priority'] type = self._string_to_record_type(item['type']) record = Record(id=item['RECORDID'], name=item['name'], type=type, data=item['data'], 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=zone)) return records