Source code for libcloud.dns.drivers.gandi

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from __future__ import with_statement

__all__ = [
    'GandiDNSDriver'
]

from libcloud.common.gandi import BaseGandiDriver, GandiConnection
from libcloud.common.gandi import GandiResponse
from libcloud.dns.types import Provider, RecordType
from libcloud.dns.types import RecordError
from libcloud.dns.types import ZoneDoesNotExistError, RecordDoesNotExistError
from libcloud.dns.base import DNSDriver, Zone, Record


TTL_MIN = 30
TTL_MAX = 2592000  # 30 days


class NewZoneVersion(object):
    """
    Changes to a zone in the Gandi DNS service need to be wrapped in a new
    version object. The changes are made to the new version, then that
    version is made active.

    In effect, this is a transaction.

    Any calls made inside this context manager will be applied to a new version
    id. If your changes are successful (and only if they are successful) they
    are activated.
    """

    def __init__(self, driver, zone):
        self.driver = driver
        self.connection = driver.connection
        self.zone = zone

    def __enter__(self):
        zid = int(self.zone.id)
        self.connection.set_context({'zone_id': self.zone.id})
        vid = self.connection.request('domain.zone.version.new', zid).object
        self.vid = vid
        return vid

    def __exit__(self, type, value, traceback):
        if not traceback:
            zid = int(self.zone.id)
            con = self.connection
            con.set_context({'zone_id': self.zone.id})
            con.request('domain.zone.version.set', zid, self.vid).object


class GandiDNSResponse(GandiResponse):
    exceptions = {
        581042: ZoneDoesNotExistError,
    }


class GandiDNSConnection(GandiConnection):
    responseCls = GandiDNSResponse


[docs]class GandiDNSDriver(BaseGandiDriver, DNSDriver): """ API reference can be found at: http://doc.rpc.gandi.net/domain/reference.html """ type = Provider.GANDI name = 'Gandi DNS' website = 'http://www.gandi.net/domain' connectionCls = GandiDNSConnection RECORD_TYPE_MAP = { RecordType.A: 'A', RecordType.AAAA: 'AAAA', RecordType.CNAME: 'CNAME', RecordType.LOC: 'LOC', RecordType.MX: 'MX', RecordType.NS: 'NS', RecordType.SPF: 'SPF', RecordType.SRV: 'SRV', RecordType.TXT: 'TXT', RecordType.WKS: 'WKS', } def _to_zone(self, zone): return Zone( id=str(zone['id']), domain=zone['name'], type='master', ttl=0, driver=self, extra={} ) def _to_zones(self, zones): ret = [] for z in zones: ret.append(self._to_zone(z)) return ret
[docs] def list_zones(self): zones = self.connection.request('domain.zone.list') return self._to_zones(zones.object)
[docs] def get_zone(self, zone_id): zid = int(zone_id) self.connection.set_context({'zone_id': zone_id}) zone = self.connection.request('domain.zone.info', zid) return self._to_zone(zone.object)
[docs] def create_zone(self, domain, type='master', ttl=None, extra=None): params = { 'name': domain, } info = self.connection.request('domain.zone.create', params) return self._to_zone(info.object)
[docs] def update_zone(self, zone, domain=None, type=None, ttl=None, extra=None): zid = int(zone.id) params = {'name': domain} self.connection.set_context({'zone_id': zone.id}) zone = self.connection.request('domain.zone.update', zid, params) return self._to_zone(zone.object)
[docs] def delete_zone(self, zone): zid = int(zone.id) self.connection.set_context({'zone_id': zone.id}) res = self.connection.request('domain.zone.delete', zid) return res.object
def _to_record(self, record, zone): return Record( id='%s:%s' % (record['type'], record['name']), name=record['name'], type=self._string_to_record_type(record['type']), data=record['value'], zone=zone, driver=self, ttl=record['ttl'], extra={'ttl': record['ttl']} ) def _to_records(self, records, zone): retval = [] for r in records: retval.append(self._to_record(r, zone)) return retval
[docs] def list_records(self, zone): zid = int(zone.id) self.connection.set_context({'zone_id': zone.id}) records = self.connection.request('domain.zone.record.list', zid, 0) return self._to_records(records.object, zone)
[docs] def get_record(self, zone_id, record_id): zid = int(zone_id) record_type, name = record_id.split(':', 1) filter_opts = { 'name': name, 'type': record_type } self.connection.set_context({'zone_id': zone_id}) records = self.connection.request('domain.zone.record.list', zid, 0, filter_opts).object if len(records) == 0: raise RecordDoesNotExistError(value='', driver=self, record_id=record_id) return self._to_record(records[0], self.get_zone(zone_id))
def _validate_record(self, record_id, name, record_type, data, extra): if len(data) > 1024: raise RecordError('Record data must be <= 1024 characters', driver=self, record_id=record_id) if extra and 'ttl' in extra: if extra['ttl'] < TTL_MIN: raise RecordError('TTL must be at least 30 seconds', driver=self, record_id=record_id) if extra['ttl'] > TTL_MAX: raise RecordError('TTL must not excdeed 30 days', driver=self, record_id=record_id)
[docs] def create_record(self, name, zone, type, data, extra=None): self._validate_record(None, name, type, data, extra) zid = int(zone.id) create = { 'name': name, 'type': self.RECORD_TYPE_MAP[type], 'value': data } if 'ttl' in extra: create['ttl'] = extra['ttl'] with NewZoneVersion(self, zone) as vid: con = self.connection con.set_context({'zone_id': zone.id}) rec = con.request('domain.zone.record.add', zid, vid, create).object return self._to_record(rec, zone)
[docs] def update_record(self, record, name, type, data, extra): self._validate_record(record.id, name, type, data, extra) filter_opts = { 'name': record.name, 'type': self.RECORD_TYPE_MAP[record.type] } update = { 'name': name, 'type': self.RECORD_TYPE_MAP[type], 'value': data } if 'ttl' in extra: update['ttl'] = extra['ttl'] zid = int(record.zone.id) with NewZoneVersion(self, record.zone) as vid: con = self.connection con.set_context({'zone_id': record.zone.id}) con.request('domain.zone.record.delete', zid, vid, filter_opts) res = con.request('domain.zone.record.add', zid, vid, update).object return self._to_record(res, record.zone)
[docs] def delete_record(self, record): zid = int(record.zone.id) filter_opts = { 'name': record.name, 'type': self.RECORD_TYPE_MAP[record.type] } with NewZoneVersion(self, record.zone) as vid: con = self.connection con.set_context({'zone_id': record.zone.id}) count = con.request('domain.zone.record.delete', zid, vid, filter_opts).object if count == 1: return True raise RecordDoesNotExistError(value='No such record', driver=self, record_id=record.id)