| # 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. |
| |
| __all__ = ["LinodeDNSDriver"] |
| |
| from datetime import datetime |
| |
| try: |
| import simplejson as json |
| except ImportError: |
| import json |
| |
| from libcloud.utils.py3 import httplib |
| from libcloud.utils.misc import merge_valid_keys, get_new_obj |
| from libcloud.common.linode import ( |
| API_ROOT, |
| DEFAULT_API_VERSION, |
| LinodeException, |
| LinodeConnection, |
| LinodeResponse, |
| LinodeExceptionV4, |
| LinodeConnectionV4, |
| LinodeResponseV4, |
| ) |
| from libcloud.dns.types import Provider, RecordType |
| from libcloud.dns.types import ZoneDoesNotExistError, RecordDoesNotExistError |
| from libcloud.dns.base import DNSDriver, Zone, Record |
| |
| |
| VALID_ZONE_EXTRA_PARAMS = [ |
| "SOA_Email", |
| "Refresh_sec", |
| "Retry_sec", |
| "Expire_sec", |
| "status", |
| "master_ips", |
| ] |
| |
| VALID_RECORD_EXTRA_PARAMS = ["Priority", "Weight", "Port", "Protocol", "TTL_sec"] |
| |
| VALID_ZONE_EXTRA_PARAMS_V4 = [ |
| "description", |
| "expire_sec", |
| "master_ips", |
| "refresh_sec", |
| "retry_sec", |
| "soa_email", |
| "status", |
| "tags", |
| ] |
| |
| VALID_RECORD_EXTRA_PARAMS_V4 = [ |
| "port", |
| "priority", |
| "protocol", |
| "service", |
| "tag", |
| "ttl_sec", |
| "target", |
| "weight", |
| ] |
| |
| |
| class LinodeDNSDriver(DNSDriver): |
| type = Provider.LINODE |
| name = "Linode DNS" |
| website = "http://www.linode.com/" |
| |
| def __new__( |
| cls, |
| key, |
| secret=None, |
| secure=True, |
| host=None, |
| port=None, |
| api_version=DEFAULT_API_VERSION, |
| **kwargs, |
| ): |
| |
| if cls is LinodeDNSDriver: |
| if api_version == "3.0": |
| cls = LinodeDNSDriverV3 |
| elif api_version == "4.0": |
| cls = LinodeDNSDriverV4 |
| else: |
| raise NotImplementedError( |
| "No Linode driver found for API version: %s" % (api_version) |
| ) |
| return super(LinodeDNSDriver, cls).__new__(cls) |
| |
| |
| class LinodeDNSResponse(LinodeResponse): |
| def _make_excp(self, error): |
| result = super(LinodeDNSResponse, self)._make_excp(error) |
| if isinstance(result, LinodeException) and result.code == 5: |
| context = self.connection.context |
| |
| if context["resource"] == "zone": |
| result = ZoneDoesNotExistError( |
| value="", driver=self.connection.driver, zone_id=context["id"] |
| ) |
| |
| elif context["resource"] == "record": |
| result = RecordDoesNotExistError( |
| value="", driver=self.connection.driver, record_id=context["id"] |
| ) |
| return result |
| |
| |
| class LinodeDNSConnection(LinodeConnection): |
| responseCls = LinodeDNSResponse |
| |
| |
| class LinodeDNSDriverV3(LinodeDNSDriver): |
| connectionCls = LinodeDNSConnection |
| |
| RECORD_TYPE_MAP = { |
| RecordType.NS: "NS", |
| RecordType.MX: "MX", |
| RecordType.A: "A", |
| RecordType.AAAA: "AAAA", |
| RecordType.CNAME: "CNAME", |
| RecordType.TXT: "TXT", |
| RecordType.SRV: "SRV", |
| } |
| |
| def list_zones(self): |
| params = {"api_action": "domain.list"} |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| zones = self._to_zones(data) |
| return zones |
| |
| def list_records(self, zone): |
| params = {"api_action": "domain.resource.list", "DOMAINID": zone.id} |
| |
| self.connection.set_context(context={"resource": "zone", "id": zone.id}) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| records = self._to_records(items=data, zone=zone) |
| return records |
| |
| def get_zone(self, zone_id): |
| params = {"api_action": "domain.list", "DomainID": zone_id} |
| self.connection.set_context(context={"resource": "zone", "id": zone_id}) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| zones = self._to_zones(data) |
| |
| if len(zones) != 1: |
| raise ZoneDoesNotExistError(value="", driver=self, zone_id=zone_id) |
| |
| return zones[0] |
| |
| def get_record(self, zone_id, record_id): |
| zone = self.get_zone(zone_id=zone_id) |
| params = { |
| "api_action": "domain.resource.list", |
| "DomainID": zone_id, |
| "ResourceID": record_id, |
| } |
| self.connection.set_context(context={"resource": "record", "id": record_id}) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| records = self._to_records(items=data, zone=zone) |
| |
| if len(records) != 1: |
| raise RecordDoesNotExistError(value="", driver=self, record_id=record_id) |
| |
| return records[0] |
| |
| def create_zone(self, domain, type="master", ttl=None, extra=None): |
| """ |
| Create a new zone. |
| |
| API docs: http://www.linode.com/api/dns/domain.create |
| """ |
| params = {"api_action": "domain.create", "Type": type, "Domain": domain} |
| |
| if ttl: |
| params["TTL_sec"] = ttl |
| |
| merged = merge_valid_keys( |
| params=params, valid_keys=VALID_ZONE_EXTRA_PARAMS, extra=extra |
| ) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| zone = Zone( |
| id=data["DomainID"], |
| domain=domain, |
| type=type, |
| ttl=ttl, |
| extra=merged, |
| driver=self, |
| ) |
| return zone |
| |
| def update_zone(self, zone, domain=None, type=None, ttl=None, extra=None): |
| """ |
| Update an existing zone. |
| |
| API docs: http://www.linode.com/api/dns/domain.update |
| """ |
| params = {"api_action": "domain.update", "DomainID": zone.id} |
| |
| if type: |
| params["Type"] = type |
| |
| if domain: |
| params["Domain"] = domain |
| |
| if ttl: |
| params["TTL_sec"] = ttl |
| |
| merged = merge_valid_keys( |
| params=params, valid_keys=VALID_ZONE_EXTRA_PARAMS, extra=extra |
| ) |
| self.connection.request(API_ROOT, params=params).objects[0] |
| updated_zone = get_new_obj( |
| obj=zone, |
| klass=Zone, |
| attributes={"domain": domain, "type": type, "ttl": ttl, "extra": merged}, |
| ) |
| return updated_zone |
| |
| def create_record(self, name, zone, type, data, extra=None): |
| """ |
| Create a new record. |
| |
| API docs: http://www.linode.com/api/dns/domain.resource.create |
| """ |
| params = { |
| "api_action": "domain.resource.create", |
| "DomainID": zone.id, |
| "Name": name, |
| "Target": data, |
| "Type": self.RECORD_TYPE_MAP[type], |
| } |
| merged = merge_valid_keys( |
| params=params, valid_keys=VALID_RECORD_EXTRA_PARAMS, extra=extra |
| ) |
| |
| result = self.connection.request(API_ROOT, params=params).objects[0] |
| record = Record( |
| id=result["ResourceID"], |
| name=name, |
| type=type, |
| data=data, |
| extra=merged, |
| zone=zone, |
| driver=self, |
| ttl=merged.get("TTL_sec", None), |
| ) |
| return record |
| |
| def update_record(self, record, name=None, type=None, data=None, extra=None): |
| """ |
| Update an existing record. |
| |
| API docs: http://www.linode.com/api/dns/domain.resource.update |
| """ |
| params = { |
| "api_action": "domain.resource.update", |
| "ResourceID": record.id, |
| "DomainID": record.zone.id, |
| } |
| |
| if name: |
| params["Name"] = name |
| |
| if data: |
| params["Target"] = data |
| |
| if type is not None: |
| params["Type"] = self.RECORD_TYPE_MAP[type] |
| |
| merged = merge_valid_keys( |
| params=params, valid_keys=VALID_RECORD_EXTRA_PARAMS, extra=extra |
| ) |
| |
| self.connection.request(API_ROOT, params=params).objects[0] |
| updated_record = get_new_obj( |
| obj=record, |
| klass=Record, |
| attributes={"name": name, "data": data, "type": type, "extra": merged}, |
| ) |
| return updated_record |
| |
| def delete_zone(self, zone): |
| params = {"api_action": "domain.delete", "DomainID": zone.id} |
| |
| self.connection.set_context(context={"resource": "zone", "id": zone.id}) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| |
| return "DomainID" in data |
| |
| def delete_record(self, record): |
| params = { |
| "api_action": "domain.resource.delete", |
| "DomainID": record.zone.id, |
| "ResourceID": record.id, |
| } |
| |
| self.connection.set_context(context={"resource": "record", "id": record.id}) |
| data = self.connection.request(API_ROOT, params=params).objects[0] |
| |
| return "ResourceID" in data |
| |
| def _to_zones(self, items): |
| """ |
| Convert a list of items to the Zone objects. |
| """ |
| zones = [] |
| |
| for item in items: |
| zones.append(self._to_zone(item)) |
| |
| return zones |
| |
| 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"], |
| } |
| zone = Zone( |
| id=item["DOMAINID"], |
| domain=item["DOMAIN"], |
| type=item["TYPE"], |
| ttl=item["TTL_SEC"], |
| driver=self, |
| extra=extra, |
| ) |
| return zone |
| |
| def _to_records(self, items, zone=None): |
| """ |
| Convert a list of items to the Record objects. |
| """ |
| records = [] |
| |
| for item in items: |
| records.append(self._to_record(item=item, zone=zone)) |
| |
| return records |
| |
| def _to_record(self, item, zone=None): |
| """ |
| Build a Record object from the item dictionary. |
| """ |
| extra = { |
| "protocol": item["PROTOCOL"], |
| "ttl_sec": item["TTL_SEC"], |
| "port": item["PORT"], |
| "weight": item["WEIGHT"], |
| "priority": item["PRIORITY"], |
| } |
| type = self._string_to_record_type(item["TYPE"]) |
| record = Record( |
| id=item["RESOURCEID"], |
| name=item["NAME"], |
| type=type, |
| data=item["TARGET"], |
| zone=zone, |
| driver=self, |
| ttl=item["TTL_SEC"], |
| extra=extra, |
| ) |
| return record |
| |
| |
| class LinodeDNSResponseV4(LinodeResponseV4): |
| pass |
| |
| |
| class LinodeDNSConnectionV4(LinodeConnectionV4): |
| responseCls = LinodeDNSResponseV4 |
| |
| |
| class LinodeDNSDriverV4(LinodeDNSDriver): |
| connectionCls = LinodeDNSConnectionV4 |
| |
| RECORD_TYPE_MAP = { |
| RecordType.SOA: "SOA", |
| RecordType.NS: "NS", |
| RecordType.MX: "MX", |
| RecordType.A: "A", |
| RecordType.AAAA: "AAAA", |
| RecordType.CNAME: "CNAME", |
| RecordType.TXT: "TXT", |
| RecordType.SRV: "SRV", |
| RecordType.CAA: "CAA", |
| } |
| |
| def list_zones(self): |
| """ |
| Return a list of zones. |
| |
| :return: ``list`` of :class:`Zone` |
| """ |
| data = self._paginated_request("/v4/domains", "data") |
| return [self._to_zone(zone) for zone in data] |
| |
| 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` |
| """ |
| if not isinstance(zone, Zone): |
| raise LinodeExceptionV4("Invalid zone instance") |
| |
| data = self._paginated_request("/v4/domains/%s/records" % zone.id, "data") |
| |
| return [self._to_record(record, zone=zone) for record in data] |
| |
| def get_zone(self, zone_id): |
| """ |
| Return a Zone instance. |
| |
| :param zone_id: ID of the zone to get |
| :type zone_id: ``str`` |
| |
| :rtype: :class:`Zone` |
| """ |
| data = self.connection.request("/v4/domains/%s" % zone_id).object |
| |
| return self._to_zone(data) |
| |
| def get_record(self, zone_id, record_id): |
| """ |
| Return a record instance. |
| |
| :param zone_id: ID of the record's zone |
| :type zone_id: ``str`` |
| |
| :param record_id: ID of the record to get |
| :type record_id: ``str`` |
| |
| :rtype: :class:`Record` |
| """ |
| data = self.connection.request( |
| "/v4/domains/%s/records/%s" % (zone_id, record_id) |
| ).object |
| |
| return self._to_record(data, self.get_zone(zone_id)) |
| |
| 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`` |
| |
| :keyword type: Zone type (master / slave). |
| :type type: ``str`` |
| |
| :keyword ttl: TTL for new records. (optional) |
| :type ttl: ``int`` |
| |
| :keyword extra: Extra attributes.('description', 'expire_sec', \ |
| 'master_ips','refresh_sec', 'retry_sec', 'soa_email',\ |
| 'status', 'tags'). 'soa_email' required for master zones |
| :type extra: ``dict`` |
| |
| :rtype: :class:`Zone` |
| """ |
| |
| attr = { |
| "domain": domain, |
| "type": type, |
| } |
| if ttl is not None: |
| attr["ttl_sec"] = ttl |
| |
| merge_valid_keys( |
| params=attr, valid_keys=VALID_ZONE_EXTRA_PARAMS_V4, extra=extra |
| ) |
| data = self.connection.request( |
| "/v4/domains", data=json.dumps(attr), method="POST" |
| ).object |
| |
| return self._to_zone(data) |
| |
| def create_record(self, name, zone, type, data, extra=None): |
| """ |
| Create a record. |
| |
| :param name: The name of this Record.For A records\ |
| this is the subdomain being associated with an IP address. |
| :type name: ``str`` |
| |
| :param zone: Zone which the records will be created for. |
| :type zone: :class:`Zone` |
| |
| :param type: DNS record type. |
| :type type: :class:`RecordType` |
| |
| :param data: Data for the record (depends on the record type).\ |
| For A records, this is the address the domain should resolve to. |
| :type data: ``str`` |
| |
| :param extra: Extra attributes.('port', 'priority', \ |
| 'protocol', 'service', 'tag', 'ttl_sec', 'target', 'weight') |
| :type extra: ``dict`` |
| |
| :rtype: :class:`Record` |
| """ |
| if not isinstance(zone, Zone): |
| raise LinodeExceptionV4("Invalid zone instance") |
| |
| attr = { |
| "type": self.RECORD_TYPE_MAP[type], |
| "name": name, |
| "target": data, |
| } |
| |
| merge_valid_keys( |
| params=attr, valid_keys=VALID_RECORD_EXTRA_PARAMS_V4, extra=extra |
| ) |
| data = self.connection.request( |
| "/v4/domains/%s/records" % zone.id, data=json.dumps(attr), method="POST" |
| ).object |
| |
| return self._to_record(data, zone=zone) |
| |
| def update_zone(self, zone, domain, type="master", ttl=None, extra=None): |
| """ |
| Update an existing zone. |
| |
| :param zone: Zone to update. |
| :type zone: :class:`Zone` |
| |
| :param domain: Name of zone |
| :type domain: ``str`` |
| |
| :param type: Zone type (master / slave). |
| :type type: ``str`` |
| |
| :param ttl: TTL for new records. (optional) |
| :type ttl: ``int`` |
| |
| :param extra: Extra attributes ('description', 'expire_sec', \ |
| 'master_ips','refresh_sec', 'retry_sec', 'soa_email','status', 'tags') |
| |
| :type extra: ``dict`` |
| |
| :rtype: :class:`Zone` |
| """ |
| if not isinstance(zone, Zone): |
| raise LinodeExceptionV4("Invalid zone instance") |
| |
| attr = { |
| "domain": domain, |
| "type": type, |
| } |
| |
| if ttl is not None: |
| attr["ttl_sec"] = ttl |
| |
| merge_valid_keys( |
| params=attr, valid_keys=VALID_ZONE_EXTRA_PARAMS_V4, extra=extra |
| ) |
| |
| data = self.connection.request( |
| "/v4/domains/%s" % zone.id, data=json.dumps(attr), method="PUT" |
| ).object |
| |
| return self._to_zone(data) |
| |
| def update_record(self, record, name=None, type=None, data=None, extra=None): |
| """ |
| Update an existing record. |
| |
| :param record: Record to update. |
| :type record: :class:`Record` |
| |
| :param name: Record name.This field's actual usage\ |
| depends on the type of record this represents. |
| :type name: ``str`` |
| |
| :param type: DNS record type |
| :type type: :class:`RecordType` |
| |
| :param data: Data for the record (depends on the record type). |
| :type data: ``str`` |
| |
| :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 |