677 lines
22 KiB
Python
677 lines
22 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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__all__ = [
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'LinodeDNSDriver'
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]
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from datetime import datetime
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try:
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import simplejson as json
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except ImportError:
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import json
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from libcloud.utils.py3 import httplib
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from libcloud.utils.misc import merge_valid_keys, get_new_obj
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from libcloud.common.linode import (API_ROOT, DEFAULT_API_VERSION,
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LinodeException, LinodeConnection,
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LinodeResponse,
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LinodeExceptionV4, LinodeConnectionV4,
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LinodeResponseV4)
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from libcloud.dns.types import Provider, RecordType
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from libcloud.dns.types import ZoneDoesNotExistError, RecordDoesNotExistError
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from libcloud.dns.base import DNSDriver, Zone, Record
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VALID_ZONE_EXTRA_PARAMS = ['SOA_Email', 'Refresh_sec', 'Retry_sec',
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'Expire_sec', 'status', 'master_ips']
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VALID_RECORD_EXTRA_PARAMS = ['Priority', 'Weight', 'Port', 'Protocol',
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'TTL_sec']
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VALID_ZONE_EXTRA_PARAMS_V4 = ['description', 'expire_sec', 'master_ips',
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'refresh_sec', 'retry_sec', 'soa_email',
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'status', 'tags']
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VALID_RECORD_EXTRA_PARAMS_V4 = ['port', 'priority', 'protocol', 'service',
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'tag', 'ttl_sec', 'target', 'weight']
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class LinodeDNSDriver(DNSDriver):
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type = Provider.LINODE
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name = 'Linode DNS'
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website = 'http://www.linode.com/'
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def __new__(cls, key, secret=None, secure=True,
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host=None, port=None,
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api_version=DEFAULT_API_VERSION, **kwargs):
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if cls is LinodeDNSDriver:
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if api_version == '3.0':
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cls = LinodeDNSDriverV3
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elif api_version == '4.0':
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cls = LinodeDNSDriverV4
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else:
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raise NotImplementedError(
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'No Linode driver found for API version: %s' %
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(api_version))
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return super(LinodeDNSDriver, cls).__new__(cls)
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class LinodeDNSResponse(LinodeResponse):
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def _make_excp(self, error):
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result = super(LinodeDNSResponse, self)._make_excp(error)
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if isinstance(result, LinodeException) and result.code == 5:
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context = self.connection.context
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if context['resource'] == 'zone':
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result = ZoneDoesNotExistError(value='',
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driver=self.connection.driver,
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zone_id=context['id'])
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elif context['resource'] == 'record':
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result = RecordDoesNotExistError(value='',
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driver=self.connection.driver,
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record_id=context['id'])
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return result
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class LinodeDNSConnection(LinodeConnection):
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responseCls = LinodeDNSResponse
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class LinodeDNSDriverV3(LinodeDNSDriver):
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connectionCls = LinodeDNSConnection
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RECORD_TYPE_MAP = {
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RecordType.NS: 'NS',
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RecordType.MX: 'MX',
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RecordType.A: 'A',
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RecordType.AAAA: 'AAAA',
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RecordType.CNAME: 'CNAME',
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RecordType.TXT: 'TXT',
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RecordType.SRV: 'SRV',
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}
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def list_zones(self):
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params = {'api_action': 'domain.list'}
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data = self.connection.request(API_ROOT, params=params).objects[0]
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zones = self._to_zones(data)
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return zones
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def list_records(self, zone):
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params = {'api_action': 'domain.resource.list', 'DOMAINID': zone.id}
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self.connection.set_context(context={'resource': 'zone',
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'id': zone.id})
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data = self.connection.request(API_ROOT, params=params).objects[0]
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records = self._to_records(items=data, zone=zone)
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return records
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def get_zone(self, zone_id):
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params = {'api_action': 'domain.list', 'DomainID': zone_id}
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self.connection.set_context(context={'resource': 'zone',
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'id': zone_id})
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data = self.connection.request(API_ROOT, params=params).objects[0]
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zones = self._to_zones(data)
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if len(zones) != 1:
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raise ZoneDoesNotExistError(value='', driver=self, zone_id=zone_id)
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return zones[0]
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def get_record(self, zone_id, record_id):
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zone = self.get_zone(zone_id=zone_id)
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params = {'api_action': 'domain.resource.list', 'DomainID': zone_id,
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'ResourceID': record_id}
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self.connection.set_context(context={'resource': 'record',
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'id': record_id})
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data = self.connection.request(API_ROOT, params=params).objects[0]
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records = self._to_records(items=data, zone=zone)
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if len(records) != 1:
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raise RecordDoesNotExistError(value='', driver=self,
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record_id=record_id)
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return records[0]
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def create_zone(self, domain, type='master', ttl=None, extra=None):
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"""
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Create a new zone.
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API docs: http://www.linode.com/api/dns/domain.create
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"""
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params = {'api_action': 'domain.create', 'Type': type,
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'Domain': domain}
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if ttl:
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params['TTL_sec'] = ttl
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merged = merge_valid_keys(params=params,
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valid_keys=VALID_ZONE_EXTRA_PARAMS,
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extra=extra)
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data = self.connection.request(API_ROOT, params=params).objects[0]
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zone = Zone(id=data['DomainID'], domain=domain, type=type, ttl=ttl,
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extra=merged, driver=self)
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return zone
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def update_zone(self, zone, domain=None, type=None, ttl=None, extra=None):
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"""
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Update an existing zone.
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API docs: http://www.linode.com/api/dns/domain.update
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"""
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params = {'api_action': 'domain.update', 'DomainID': zone.id}
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if type:
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params['Type'] = type
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if domain:
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params['Domain'] = domain
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if ttl:
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params['TTL_sec'] = ttl
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merged = merge_valid_keys(params=params,
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valid_keys=VALID_ZONE_EXTRA_PARAMS,
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extra=extra)
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self.connection.request(API_ROOT, params=params).objects[0]
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updated_zone = get_new_obj(obj=zone, klass=Zone,
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attributes={'domain': domain,
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'type': type, 'ttl': ttl,
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'extra': merged})
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return updated_zone
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def create_record(self, name, zone, type, data, extra=None):
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"""
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Create a new record.
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API docs: http://www.linode.com/api/dns/domain.resource.create
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"""
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params = {'api_action': 'domain.resource.create', 'DomainID': zone.id,
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'Name': name, 'Target': data,
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'Type': self.RECORD_TYPE_MAP[type]}
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merged = merge_valid_keys(params=params,
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valid_keys=VALID_RECORD_EXTRA_PARAMS,
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extra=extra)
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result = self.connection.request(API_ROOT, params=params).objects[0]
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record = Record(id=result['ResourceID'], name=name, type=type,
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data=data, extra=merged, zone=zone, driver=self,
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ttl=merged.get('TTL_sec', None))
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return record
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def update_record(self, record, name=None, type=None, data=None,
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extra=None):
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"""
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Update an existing record.
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API docs: http://www.linode.com/api/dns/domain.resource.update
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"""
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params = {'api_action': 'domain.resource.update',
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'ResourceID': record.id, 'DomainID': record.zone.id}
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if name:
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params['Name'] = name
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if data:
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params['Target'] = data
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if type is not None:
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params['Type'] = self.RECORD_TYPE_MAP[type]
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merged = merge_valid_keys(params=params,
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valid_keys=VALID_RECORD_EXTRA_PARAMS,
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extra=extra)
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self.connection.request(API_ROOT, params=params).objects[0]
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updated_record = get_new_obj(obj=record, klass=Record,
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attributes={'name': name, 'data': data,
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'type': type,
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'extra': merged})
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return updated_record
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def delete_zone(self, zone):
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params = {'api_action': 'domain.delete', 'DomainID': zone.id}
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self.connection.set_context(context={'resource': 'zone',
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'id': zone.id})
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data = self.connection.request(API_ROOT, params=params).objects[0]
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return 'DomainID' in data
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def delete_record(self, record):
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params = {'api_action': 'domain.resource.delete',
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'DomainID': record.zone.id, 'ResourceID': record.id}
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self.connection.set_context(context={'resource': 'record',
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'id': record.id})
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data = self.connection.request(API_ROOT, params=params).objects[0]
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return 'ResourceID' in data
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def _to_zones(self, items):
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"""
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Convert a list of items to the Zone objects.
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"""
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zones = []
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for item in items:
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zones.append(self._to_zone(item))
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return zones
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def _to_zone(self, item):
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"""
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Build an Zone object from the item dictionary.
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"""
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extra = {'SOA_Email': item['SOA_EMAIL'], 'status': item['STATUS'],
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'description': item['DESCRIPTION']}
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zone = Zone(id=item['DOMAINID'], domain=item['DOMAIN'],
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type=item['TYPE'], ttl=item['TTL_SEC'], driver=self,
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extra=extra)
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return zone
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def _to_records(self, items, zone=None):
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"""
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Convert a list of items to the Record objects.
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"""
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records = []
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for item in items:
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records.append(self._to_record(item=item, zone=zone))
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return records
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def _to_record(self, item, zone=None):
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"""
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Build a Record object from the item dictionary.
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"""
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extra = {'protocol': item['PROTOCOL'], 'ttl_sec': item['TTL_SEC'],
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'port': item['PORT'], 'weight': item['WEIGHT'],
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'priority': item['PRIORITY']}
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type = self._string_to_record_type(item['TYPE'])
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record = Record(id=item['RESOURCEID'], name=item['NAME'], type=type,
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data=item['TARGET'], zone=zone, driver=self,
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ttl=item['TTL_SEC'], extra=extra)
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return record
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class LinodeDNSResponseV4(LinodeResponseV4):
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pass
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class LinodeDNSConnectionV4(LinodeConnectionV4):
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responseCls = LinodeDNSResponseV4
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class LinodeDNSDriverV4(LinodeDNSDriver):
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connectionCls = LinodeDNSConnectionV4
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RECORD_TYPE_MAP = {
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RecordType.SOA: 'SOA',
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RecordType.NS: 'NS',
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RecordType.MX: 'MX',
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RecordType.A: 'A',
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RecordType.AAAA: 'AAAA',
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RecordType.CNAME: 'CNAME',
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RecordType.TXT: 'TXT',
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RecordType.SRV: 'SRV',
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RecordType.CAA: 'CAA',
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}
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def list_zones(self):
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"""
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Return a list of zones.
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:return: ``list`` of :class:`Zone`
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"""
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data = self._paginated_request('/v4/domains', 'data')
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return [self._to_zone(zone) for zone in data]
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def list_records(self, zone):
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"""
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Return a list of records for the provided zone.
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:param zone: Zone to list records for.
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:type zone: :class:`Zone`
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:return: ``list`` of :class:`Record`
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"""
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if not isinstance(zone, Zone):
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raise LinodeExceptionV4("Invalid zone instance")
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data = self._paginated_request('/v4/domains/%s/records'
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% zone.id, 'data')
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return [self._to_record(record, zone=zone) for record in data]
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def get_zone(self, zone_id):
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"""
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Return a Zone instance.
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:param zone_id: ID of the zone to get
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:type zone_id: ``str``
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:rtype: :class:`Zone`
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"""
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data = self.connection.request('/v4/domains/%s' %
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zone_id).object
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return self._to_zone(data)
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def get_record(self, zone_id, record_id):
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"""
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Return a record instance.
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:param zone_id: ID of the record's zone
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:type zone_id: ``str``
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:param record_id: ID of the record to get
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:type record_id: ``str``
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:rtype: :class:`Record`
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"""
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data = self.connection.request('/v4/domains/%s/records/%s' %
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(zone_id, record_id)).object
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return self._to_record(data, self.get_zone(zone_id))
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def create_zone(self, domain, type='master', ttl=None, extra=None):
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"""
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Create a new zone.
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:param domain: Zone domain name (e.g. example.com)
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:type domain: ``str``
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:keyword type: Zone type (master / slave).
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:type type: ``str``
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:keyword ttl: TTL for new records. (optional)
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:type ttl: ``int``
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:keyword extra: Extra attributes.('description', 'expire_sec', \
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'master_ips','refresh_sec', 'retry_sec', 'soa_email',\
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'status', 'tags'). 'soa_email' required for master zones
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:type extra: ``dict``
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:rtype: :class:`Zone`
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"""
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attr = {
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'domain': domain,
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'type': type,
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}
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if ttl is not None:
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attr['ttl_sec'] = ttl
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merge_valid_keys(params=attr,
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valid_keys=VALID_ZONE_EXTRA_PARAMS_V4,
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extra=extra)
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data = self.connection.request(
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'/v4/domains', data=json.dumps(attr),
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method='POST').object
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return self._to_zone(data)
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def create_record(self, name, zone, type, data, extra=None):
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"""
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Create a record.
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:param name: The name of this Record.For A records\
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this is the subdomain being associated with an IP address.
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:type name: ``str``
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:param zone: Zone which the records will be created for.
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:type zone: :class:`Zone`
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:param type: DNS record type.
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:type type: :class:`RecordType`
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:param data: Data for the record (depends on the record type).\
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For A records, this is the address the domain should resolve to.
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:type data: ``str``
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:param extra: Extra attributes.('port', 'priority', \
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'protocol', 'service', 'tag', 'ttl_sec', 'target', 'weight')
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:type extra: ``dict``
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:rtype: :class:`Record`
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"""
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if not isinstance(zone, Zone):
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raise LinodeExceptionV4("Invalid zone instance")
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attr = {
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'type': self.RECORD_TYPE_MAP[type],
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'name': name,
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'target': data,
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}
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merge_valid_keys(params=attr,
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valid_keys=VALID_RECORD_EXTRA_PARAMS_V4,
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extra=extra)
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data = self.connection.request('/v4/domains/%s/records' % zone.id,
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data=json.dumps(attr),
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method='POST').object
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return self._to_record(data, zone=zone)
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def update_zone(self, zone, domain, type='master', ttl=None, extra=None):
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"""
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Update an existing zone.
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:param zone: Zone to update.
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:type zone: :class:`Zone`
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:param domain: Name of zone
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:type domain: ``str``
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:param type: Zone type (master / slave).
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:type type: ``str``
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:param ttl: TTL for new records. (optional)
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:type ttl: ``int``
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:param extra: Extra attributes ('description', 'expire_sec', \
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'master_ips','refresh_sec', 'retry_sec', 'soa_email','status', 'tags')
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:type extra: ``dict``
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:rtype: :class:`Zone`
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"""
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if not isinstance(zone, Zone):
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raise LinodeExceptionV4("Invalid zone instance")
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attr = {
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'domain': domain,
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'type': type,
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}
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if ttl is not None:
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attr['ttl_sec'] = ttl
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merge_valid_keys(params=attr,
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valid_keys=VALID_ZONE_EXTRA_PARAMS_V4,
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extra=extra)
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data = self.connection.request('/v4/domains/%s' % zone.id,
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data=json.dumps(attr),
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method='PUT').object
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return self._to_zone(data)
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def update_record(self, record, name=None, type=None,
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data=None, extra=None):
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"""
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Update an existing record.
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:param record: Record to update.
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:type record: :class:`Record`
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:param name: Record name.This field's actual usage\
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depends on the type of record this represents.
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:type name: ``str``
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:param type: DNS record type
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:type type: :class:`RecordType`
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:param data: Data for the record (depends on the record type).
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:type data: ``str``
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:param extra: Extra attributes.('port', 'priority', \
|
|
'protocol', 'service', 'tag', 'ttl_sec', 'target', 'weight')
|
|
:type extra: ``dict``
|
|
|
|
:rtype: :class:`Record`
|
|
"""
|
|
if not isinstance(record, Record):
|
|
raise LinodeExceptionV4("Invalid zone instance")
|
|
|
|
zone = record.zone
|
|
attr = {}
|
|
|
|
if name is not None:
|
|
attr['name'] = name
|
|
|
|
if type is not None:
|
|
attr['type'] = self.RECORD_TYPE_MAP[type]
|
|
|
|
if data is not None:
|
|
attr['target'] = data
|
|
|
|
merge_valid_keys(params=attr,
|
|
valid_keys=VALID_RECORD_EXTRA_PARAMS_V4,
|
|
extra=extra)
|
|
|
|
data = self.connection.request('/v4/domains/%s/records/%s'
|
|
% (zone.id, record.id),
|
|
data=json.dumps(attr),
|
|
method='PUT').object
|
|
|
|
return self._to_record(data, zone=zone)
|
|
|
|
def delete_zone(self, zone):
|
|
"""
|
|
Delete a zone.
|
|
|
|
This will delete all the records belonging to this zone.
|
|
|
|
:param zone: Zone to delete.
|
|
:type zone: :class:`Zone`
|
|
|
|
:rtype: ``bool``
|
|
"""
|
|
if not isinstance(zone, Zone):
|
|
raise LinodeExceptionV4("Invalid zone instance")
|
|
|
|
response = self.connection.request('/v4/domains/%s'
|
|
% zone.id,
|
|
method='DELETE')
|
|
return response.status == httplib.OK
|
|
|
|
def delete_record(self, record):
|
|
"""
|
|
Delete a record.
|
|
|
|
:param record: Record to delete.
|
|
:type record: :class:`Record`
|
|
|
|
:rtype: ``bool``
|
|
"""
|
|
if not isinstance(record, Record):
|
|
raise LinodeExceptionV4("Invalid record instance")
|
|
|
|
zone = record.zone
|
|
|
|
response = self.connection.request('/v4/domains/%s/records/%s'
|
|
% (zone.id, record.id),
|
|
method='DELETE')
|
|
return response.status == httplib.OK
|
|
|
|
def _to_record(self, item, zone=None):
|
|
extra = {
|
|
'port': item['port'],
|
|
'weight': item['weight'],
|
|
'priority': item['priority'],
|
|
'service': item['service'],
|
|
'protocol': item['protocol'],
|
|
'created': self._to_datetime(item['created']),
|
|
'updated': self._to_datetime(item['updated'])
|
|
}
|
|
type = self._string_to_record_type(item['type'])
|
|
record = Record(id=item['id'], name=item['name'], type=type,
|
|
data=item['target'], zone=zone, driver=self,
|
|
ttl=item['ttl_sec'], extra=extra)
|
|
return record
|
|
|
|
def _to_zone(self, item):
|
|
"""
|
|
Build an Zone object from the item dictionary.
|
|
"""
|
|
extra = {'soa_email': item['soa_email'],
|
|
'status': item['status'],
|
|
'description': item['description'],
|
|
'tags': item['tags'],
|
|
'retry_sec': item['retry_sec'],
|
|
'master_ips': item['master_ips'],
|
|
'axfr_ips': item['axfr_ips'],
|
|
'expire_sec': item['expire_sec'],
|
|
'refresh_sec': item['refresh_sec'],
|
|
'created': self._to_datetime(item['created']),
|
|
'updated': self._to_datetime(item['updated']),
|
|
}
|
|
zone = Zone(id=item['id'], domain=item['domain'],
|
|
type=item['type'], ttl=item['ttl_sec'], driver=self,
|
|
extra=extra)
|
|
return zone
|
|
|
|
def _to_datetime(self, strtime):
|
|
return datetime.strptime(strtime, "%Y-%m-%dT%H:%M:%S")
|
|
|
|
def _paginated_request(self, url, obj, params=None):
|
|
"""
|
|
Perform multiple calls in order to have a full list of elements when
|
|
the API responses are paginated.
|
|
|
|
:param url: API endpoint
|
|
:type url: ``str``
|
|
|
|
:param obj: Result object key
|
|
:type obj: ``str``
|
|
|
|
:param params: Request parameters
|
|
:type params: ``dict``
|
|
|
|
:return: ``list`` of API response objects
|
|
:rtype: ``list``
|
|
"""
|
|
objects = []
|
|
params = params if params is not None else {}
|
|
|
|
ret = self.connection.request(url, params=params).object
|
|
|
|
data = list(ret.get(obj, []))
|
|
current_page = int(ret.get('page', 1))
|
|
num_of_pages = int(ret.get('pages', 1))
|
|
objects.extend(data)
|
|
for page in range(current_page + 1, num_of_pages + 1):
|
|
# add param to request next page
|
|
params['page'] = page
|
|
ret = self.connection.request(url, params=params).object
|
|
data = list(ret.get(obj, []))
|
|
objects.extend(data)
|
|
return objects
|