Add DomainMaster Object to designate objects

Change-Id: I60dbe23be0d6f2ea6b6f3f9d7bd26ce2e2f7686f

designate/exceptions.py

@@ -40,6 +40,18 @@ class RelationNotLoaded(Base):
     error_code = 500
     error_type = 'relation_not_loaded'
 
+    def __init__(self, *args, **kwargs):
+
+        self.relation = kwargs.pop('relation', None)
+
+        super(RelationNotLoaded, self).__init__(*args, **kwargs)
+
+        self.error_message = "%(relation)s is not loaded on %(object)s" % \
+            {"relation": self.relation, "object": self.object.obj_name()}
+
+    def __str__(self):
+        return self.error_message
+
 
 class AdapterNotFound(Base):
     error_code = 500
@@ -318,6 +330,10 @@ class DomainNotFound(NotFound):
     error_type = 'domain_not_found'
 
 
+class DomainMasterNotFound(NotFound):
+    error_type = 'domain_master_not_found'
+
+
 class DomainAttributeNotFound(NotFound):
     error_type = 'domain_attribute_not_found'
 

designate/mdns/xfr.py

@@ -31,7 +31,7 @@ class XFRMixin(object):
     """
     def domain_sync(self, context, domain, servers=None):
         servers = servers or domain.masters
-        servers = dnsutils.expand_servers(servers)
+        servers = servers.to_list()
 
         timeout = cfg.CONF["service:mdns"].xfr_timeout
         try:

designate/objects/__init__.py

@@ -21,6 +21,7 @@ from designate.objects.base import PagedListObjectMixin  # noqa
 from designate.objects.blacklist import Blacklist, BlacklistList  # noqa
 from designate.objects.domain import Domain, DomainList  # noqa
 from designate.objects.domain_attribute import DomainAttribute, DomainAttributeList  # noqa
+from designate.objects.domain_master import DomainMaster, DomainMasterList  # noqa
 from designate.objects.floating_ip import FloatingIP, FloatingIPList  # noqa
 from designate.objects.pool_manager_status import PoolManagerStatus, PoolManagerStatusList  # noqa
 from designate.objects.pool import Pool, PoolList  # noqa

designate/objects/adapters/__init__.py

@@ -16,6 +16,7 @@ from designate.objects.adapters.base import DesignateAdapter  # noqa
 # API v2
 from designate.objects.adapters.api_v2.blacklist import BlacklistAPIv2Adapter, BlacklistListAPIv2Adapter  # noqa
 from designate.objects.adapters.api_v2.domain import DomainAPIv2Adapter, DomainListAPIv2Adapter  # noqa
+from designate.objects.adapters.api_v2.domain_master import DomainMasterAPIv2Adapter, DomainMasterListAPIv2Adapter  # noqa
 from designate.objects.adapters.api_v2.floating_ip import FloatingIPAPIv2Adapter, FloatingIPListAPIv2Adapter  # noqa
 from designate.objects.adapters.api_v2.record import RecordAPIv2Adapter, RecordListAPIv2Adapter  # noqa
 from designate.objects.adapters.api_v2.recordset import RecordSetAPIv2Adapter, RecordSetListAPIv2Adapter  # noqa

designate/objects/adapters/api_v2/domain.py

@@ -15,7 +15,6 @@ from oslo_log import log as logging
 
 from designate.objects.adapters.api_v2 import base
 from designate import objects
-from designate import exceptions
 
 LOG = logging.getLogger(__name__)
 
@@ -64,26 +63,16 @@ class DomainAPIv2Adapter(base.APIv2Adapter):
 
     @classmethod
     def _parse_object(cls, values, object, *args, **kwargs):
-        # TODO(Graham): Remove this when
-        # https://bugs.launchpad.net/designate/+bug/1432842 is fixed
 
         if 'masters' in values:
-            if isinstance(values['masters'], list):
-                object.set_masters(values.get('masters'))
-                del values['masters']
-            else:
-                errors = objects.ValidationErrorList()
-                e = objects.ValidationError()
-                e.path = ['masters']
-                e.validator = 'type'
-                e.validator_value = ["list"]
-                e.message = ("'%(data)s' is not a valid list of masters"
-                             % {'data': values['masters']})
-                # Add it to the list for later
-                errors.append(e)
-                raise exceptions.InvalidObject(
-                    "Provided object does not match "
-                    "schema", errors=errors, object=cls.ADAPTER_OBJECT())
+
+            object.masters = objects.adapters.DesignateAdapter.parse(
+                cls.ADAPTER_FORMAT,
+                values['masters'],
+                objects.DomainMasterList(),
+                *args, **kwargs)
+
+            del values['masters']
 
         return super(DomainAPIv2Adapter, cls)._parse_object(
             values, object, *args, **kwargs)

designate/objects/adapters/api_v2/domain_master.py

@@ -0,0 +1,92 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+#
+#    Licensed 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.
+from oslo_log import log as logging
+
+from designate.objects.adapters.api_v2 import base
+from designate import objects
+from designate import utils
+LOG = logging.getLogger(__name__)
+
+
+class DomainMasterAPIv2Adapter(base.APIv2Adapter):
+
+    ADAPTER_OBJECT = objects.DomainMaster
+
+    MODIFICATIONS = {
+        'fields': {
+            'value': {
+                'read_only': False
+            }
+        },
+        'options': {
+            'links': False,
+            'resource_name': 'domain_master',
+            'collection_name': 'domain_masters',
+        }
+    }
+
+    @classmethod
+    def _render_object(cls, object, *arg, **kwargs):
+        if object.port is 53:
+            return object.host
+        else:
+            return "%(host)s:%(port)d" % object.to_dict()
+
+    @classmethod
+    def _parse_object(cls, value, object, *args, **kwargs):
+        object.host, object.port = utils.split_host_port(value)
+        return object
+
+
+class DomainMasterListAPIv2Adapter(base.APIv2Adapter):
+
+    ADAPTER_OBJECT = objects.DomainMasterList
+
+    MODIFICATIONS = {
+        'options': {
+            'links': False,
+            'resource_name': 'domain_master',
+            'collection_name': 'domain_masters',
+        }
+    }
+
+    @classmethod
+    def _render_list(cls, list_object, *args, **kwargs):
+
+        r_list = []
+
+        for object in list_object:
+            r_list.append(cls.get_object_adapter(
+                cls.ADAPTER_FORMAT,
+                object).render(cls.ADAPTER_FORMAT, object, *args, **kwargs))
+
+        return r_list
+
+    @classmethod
+    def _parse_list(cls, values, output_object, *args, **kwargs):
+
+        for value in values:
+            # Add the object to the list
+            output_object.append(
+                # Get the right Adapter
+                cls.get_object_adapter(
+                    cls.ADAPTER_FORMAT,
+                    # This gets the internal type of the list, and parses it
+                    # We need to do `get_object_adapter` as we need a new
+                    # instance of the Adapter
+                    output_object.LIST_ITEM_TYPE()).parse(
+                        value, output_object.LIST_ITEM_TYPE()))
+
+        # Return the filled list
+        return output_object

designate/objects/base.py

@@ -154,7 +154,7 @@ class DesignateObject(object):
     def _obj_check_relation(self, name):
         if name in self.FIELDS and self.FIELDS[name].get('relation', False):
             if not self.obj_attr_is_set(name):
-                raise exceptions.RelationNotLoaded
+                raise exceptions.RelationNotLoaded(object=self, relation=name)
 
     @classmethod
     def obj_cls_from_name(cls, name):
@@ -310,9 +310,21 @@ class DesignateObject(object):
         ValidationErrorList = self.obj_cls_from_name('ValidationErrorList')
         ValidationError = self.obj_cls_from_name('ValidationError')
 
-        values = self.to_dict()
         errors = ValidationErrorList()
 
+        try:
+            values = self.to_dict()
+        except exceptions.RelationNotLoaded as e:
+            e = ValidationError()
+            e.path = ['type']
+            e.validator = 'required'
+            e.validator_value = [e.relation]
+            e.message = "'%s' is a required property" % e.relation
+            errors.append(e)
+            raise exceptions.InvalidObject(
+                "Provided object does not match "
+                "schema", errors=errors, object=self)
+
         LOG.debug("Validating '%(name)s' object with values: %(values)r", {
             'name': self.obj_name(),
             'values': values,

designate/objects/domain.py

@@ -17,8 +17,6 @@ from designate import exceptions
 from designate.objects import base
 from designate.objects.validation_error import ValidationError
 from designate.objects.validation_error import ValidationErrorList
-from designate.objects.domain_attribute import DomainAttribute
-from designate.objects.domain_attribute import DomainAttributeList
 
 
 class Domain(base.DictObjectMixin, base.SoftDeleteObjectMixin,
@@ -145,6 +143,10 @@ class Domain(base.DictObjectMixin, base.SoftDeleteObjectMixin,
             'relation': True,
             'relation_cls': 'DomainAttributeList'
         },
+        'masters': {
+            'relation': True,
+            'relation_cls': 'DomainMasterList'
+        },
         'type': {
             'schema': {
                 'type': 'string',
@@ -165,47 +167,43 @@ class Domain(base.DictObjectMixin, base.SoftDeleteObjectMixin,
         'id', 'type', 'name', 'pool_id', 'serial', 'action', 'status'
     ]
 
-    @property
-    def masters(self):
-        if self.obj_attr_is_set('attributes'):
-            return [i.value for i in self.attributes if i.key == 'master']
-        else:
-            return None
-
-    # TODO(ekarlso): Make this a property sette rpr Kiall's comments later.
-    def set_masters(self, masters):
-        attributes = DomainAttributeList()
-
-        for m in masters:
-            obj = DomainAttribute(key='master', value=m)
-            attributes.append(obj)
-        self.attributes = attributes
-
     def get_master_by_ip(self, host):
         """
         Utility to get the master by it's ip for this domain.
         """
         for srv in self.masters:
-            srv_host, _ = utils.split_host_port(srv)
+            srv_host, _ = utils.split_host_port(srv.to_data())
             if host == srv_host:
                 return srv
         return False
 
     def validate(self):
-        if self.type == 'SECONDARY' and self.masters is None:
+        try:
+            if self.type == 'SECONDARY' and self.masters is None:
+                errors = ValidationErrorList()
+                e = ValidationError()
+                e.path = ['type']
+                e.validator = 'required'
+                e.validator_value = ['masters']
+                e.message = "'masters' is a required property"
+                errors.append(e)
+                raise exceptions.InvalidObject(
+                    "Provided object does not match "
+                    "schema", errors=errors, object=self)
+
+            super(Domain, self).validate()
+        except exceptions.RelationNotLoaded as ex:
             errors = ValidationErrorList()
             e = ValidationError()
             e.path = ['type']
             e.validator = 'required'
-            e.validator_value = ['masters']
-            e.message = "'masters' is a required property"
+            e.validator_value = [ex.relation]
+            e.message = "'%s' is a required property" % ex.relation
             errors.append(e)
             raise exceptions.InvalidObject(
                 "Provided object does not match "
                 "schema", errors=errors, object=self)
 
-        super(Domain, self).validate()
-
 
 class DomainList(base.ListObjectMixin, base.DesignateObject,
                  base.PagedListObjectMixin):

designate/objects/domain_master.py

@@ -0,0 +1,57 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+#
+# Author: Endre Karlson <endre.karlson@hp.com>
+#
+# Licensed 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.
+from designate.objects import base
+from designate import utils
+
+
+class DomainMaster(base.DictObjectMixin, base.PersistentObjectMixin,
+                   base.DesignateObject):
+    FIELDS = {
+        'domain_id': {},
+        'host': {
+            'schema': {
+                'type': 'string',
+                'format': 'ip-or-host',
+                'required': True,
+            },
+        },
+        'port': {
+            'schema': {
+                'type': 'integer',
+                'minimum': 1,
+                'maximum': 65535,
+                'required': True,
+            },
+        }
+    }
+
+    def to_data(self):
+        return "%(host)s:%(port)d" % self.to_dict()
+
+    @classmethod
+    def from_data(cls, data):
+        host, port = utils.split_host_port(data)
+        return cls.from_dict({"host": host, "port": port})
+
+
+class DomainMasterList(base.ListObjectMixin, base.DesignateObject):
+    LIST_ITEM_TYPE = DomainMaster
+
+    def to_data(self):
+        rlist = []
+        for item in self.objects:
+            rlist.append(item.to_data())
+        return rlist

designate/schema/format.py

@@ -102,6 +102,20 @@ def is_hostname(instance):
     return True
 
 
+@draft3_format_checker.checks("ip-or-host")
+@draft4_format_checker.checks("ip-or-host")
+def is_ip_or_host(instance):
+    if not isinstance(instance, compat.str_types):
+        return True
+
+    if not re.match(RE_DOMAINNAME, instance)\
+            and not is_ipv4(instance)\
+            and not is_ipv6(instance):
+        return False
+
+    return True
+
+
 @draft3_format_checker.checks("domain-name")
 @draft4_format_checker.checks("domainname")
 def is_domainname(instance):

designate/storage/impl_sqlalchemy/__init__.py

@@ -232,9 +232,17 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
 
         def _load_relations(domain):
             if domain.type == 'SECONDARY':
-                domain.attributes = self._find_domain_attributes(
+                domain.masters = self._find_domain_masters(
                     context, {'domain_id': domain.id})
-                domain.obj_reset_changes(['attributes'])
+            else:
+                # This avoids an extra DB call per primary zone. This will
+                # always have 0 results for a PRIMARY zone.
+                domain.masters = objects.DomainMasterList()
+
+            domain.attributes = self._find_domain_masters(
+                context, {'domain_id': domain.id})
+
+            domain.obj_reset_changes(['masters', 'attributes'])
 
         if one:
             _load_relations(domains)
@@ -252,7 +260,7 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
         # Don't handle recordsets for now
         domain = self._create(
             tables.domains, domain, exceptions.DuplicateDomain,
-            ['attributes', 'recordsets'],
+            ['attributes', 'recordsets', 'masters'],
             extra_values=extra_values)
 
         if domain.obj_attr_is_set('attributes'):
@@ -260,7 +268,12 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
                 self.create_domain_attribute(context, domain.id, attrib)
         else:
             domain.attributes = objects.DomainAttributeList()
-        domain.obj_reset_changes('attributes')
+        if domain.obj_attr_is_set('masters'):
+            for master in domain.masters:
+                self.create_domain_master(context, domain.id, master)
+        else:
+            domain.masters = objects.DomainMasterList()
+        domain.obj_reset_changes(['masters', 'attributes'])
 
         return domain
 
@@ -288,7 +301,7 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
         updated_domain = self._update(
             context, tables.domains, domain, exceptions.DuplicateDomain,
             exceptions.DomainNotFound,
-            ['attributes', 'recordsets'])
+            ['attributes', 'recordsets', 'masters'])
 
         if domain.obj_attr_is_set('attributes'):
             # Gather the Attribute ID's we have
@@ -330,6 +343,46 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
                 attr.domain_id = domain.id
                 self.create_domain_attribute(context, domain.id, attr)
 
+        if domain.obj_attr_is_set('masters'):
+            # Gather the Attribute ID's we have
+            have = set([r.id for r in self._find_domain_masters(
+                context, {'domain_id': domain.id})])
+
+            # Prep some lists of changes
+            keep = set([])
+            create = []
+            update = []
+
+            # Determine what to change
+            for i in domain.masters:
+                keep.add(i.id)
+                try:
+                    i.obj_get_original_value('id')
+                except KeyError:
+                    create.append(i)
+                else:
+                    update.append(i)
+
+            # NOTE: Since we're dealing with mutable objects, the return value
+            #       of create/update/delete attribute is not needed.
+            #       The original item will be mutated in place on the input
+            #       "domain.attributes" list.
+
+            # Delete Attributes
+            for i_id in have - keep:
+                attr = self._find_domain_masters(
+                    context, {'id': i_id}, one=True)
+                self.delete_domain_master(context, attr.id)
+
+            # Update Attributes
+            for i in update:
+                self.update_domain_master(context, i)
+
+            # Create Attributes
+            for attr in create:
+                attr.domain_id = domain.id
+                self.create_domain_master(context, domain.id, attr)
+
         if domain.obj_attr_is_set('recordsets'):
             existing = self.find_recordsets(context, {'domain_id': domain.id})
 
@@ -431,6 +484,71 @@ class SQLAlchemyStorage(sqlalchemy_base.SQLAlchemy, storage_base.Storage):
 
         return deleted_domain_attribute
 
+    # Domain master methods
+    def _find_domain_masters(self, context, criterion, one=False,
+                             marker=None, limit=None, sort_key=None,
+                             sort_dir=None):
+
+        criterion['key'] = 'master'
+
+        attribs = self._find(context, tables.domain_attributes,
+                             objects.DomainAttribute,
+                             objects.DomainAttributeList,
+                             exceptions.DomainMasterNotFound,
+                             criterion, one,
+                             marker, limit, sort_key, sort_dir)
+
+        masters = objects.DomainMasterList()
+
+        for attrib in attribs:
+            masters.append(objects.DomainMaster().from_data(attrib.value))
+
+        return masters
+
+    def create_domain_master(self, context, domain_id, domain_master):
+
+        domain_attribute = objects.DomainAttribute()
+        domain_attribute.domain_id = domain_id
+        domain_attribute.key = 'master'
+        domain_attribute.value = domain_master.to_data()
+
+        return self._create(tables.domain_attributes, domain_attribute,
+                            exceptions.DuplicateDomainAttribute)
+
+    def get_domain_masters(self, context, domain_attribute_id):
+        return self._find_domain_masters(
+            context, {'id': domain_attribute_id}, one=True)
+
+    def find_domain_masters(self, context, criterion=None, marker=None,
+                   limit=None, sort_key=None, sort_dir=None):
+        return self._find_domain_masters(context, criterion, marker=marker,
+                                         limit=limit, sort_key=sort_key,
+                                         sort_dir=sort_dir)
+
+    def find_domain_master(self, context, criterion):
+        return self._find_domain_master(context, criterion, one=True)
+
+    def update_domain_master(self, context, domain_master):
+
+        domain_attribute = objects.DomainAttribute()
+        domain_attribute.domain_id = domain_master.domain_id
+        domain_attribute.key = 'master'
+        domain_attribute.value = domain_master.to_data()
+
+        return self._update(context, tables.domain_attributes,
+                            domain_attribute,
+                            exceptions.DuplicateDomainAttribute,
+                            exceptions.DomainAttributeNotFound)
+
+    def delete_domain_master(self, context, domain_master_id):
+        domain_attribute = self._find_domain_attributes(
+            context, {'id': domain_master_id}, one=True)
+        deleted_domain_attribute = self._delete(
+            context, tables.domain_attributes, domain_attribute,
+            exceptions.DomainAttributeNotFound)
+
+        return deleted_domain_attribute
+
     # RecordSet Methods
     def _find_recordsets(self, context, criterion, one=False, marker=None,
                          limit=None, sort_key=None, sort_dir=None):

designate/tests/test_api/test_v2/test_zones.py

@@ -518,7 +518,6 @@ class ApiV2ZonesTest(ApiV2TestCase):
         # Create a zone
         fixture = self.get_domain_fixture('SECONDARY', 0)
         fixture['email'] = cfg.CONF['service:central'].managed_resource_email
-        fixture['attributes'] = [{"key": "master", "value": "10.0.0.10"}]
 
         # Create a zone
         zone = self.create_domain(**fixture)

designate/tests/test_mdns/test_handler.py

@@ -121,13 +121,16 @@ class MdnsRequestHandlerTest(MdnsTestCase):
 
         self.assertEqual(expected_response, binascii.b2a_hex(response))
 
-    def _get_secondary_domain(self, values=None, attributes=None):
+    def _get_secondary_domain(self, values=None, attributes=None,
+                              masters=None):
         attributes = attributes or []
+        masters = masters or [{"host": "10.0.0.1", "port": 53}]
         fixture = self.get_domain_fixture("SECONDARY", values=values)
         fixture['email'] = cfg.CONF['service:central'].managed_resource_email
 
         domain = objects.Domain(**fixture)
-        domain.attributes = objects.DomainAttributeList()
+        domain.attributes = objects.DomainAttributeList().from_list(attributes)
+        domain.masters = objects.DomainMasterList().from_list(masters)
         return domain
 
     def _get_soa_answer(self, serial):
@@ -145,8 +148,6 @@ class MdnsRequestHandlerTest(MdnsTestCase):
 
         master = "10.0.0.1"
         domain = self._get_secondary_domain({"serial": 123})
-        domain.attributes.append(objects.DomainAttribute(
-            **{"key": "master", "value": master}))
 
         # expected response is an error code NOERROR.  The other fields are
         # id 50048
@@ -176,7 +177,8 @@ class MdnsRequestHandlerTest(MdnsTestCase):
             response = next(self.handler(request)).to_wire()
 
         self.mock_tg.add_thread.assert_called_with(
-            self.handler.domain_sync, self.context, domain, [master])
+            self.handler.domain_sync, self.context, domain,
+            [domain.masters[0]])
         self.assertEqual(expected_response, binascii.b2a_hex(response))
 
     @mock.patch.object(dns.resolver.Resolver, 'query')
@@ -186,8 +188,6 @@ class MdnsRequestHandlerTest(MdnsTestCase):
 
         master = "10.0.0.1"
         domain = self._get_secondary_domain({"serial": 123})
-        domain.attributes.append(objects.DomainAttribute(
-            **{"key": "master", "value": master}))
 
         # expected response is an error code NOERROR.  The other fields are
         # id 50048
@@ -226,10 +226,8 @@ class MdnsRequestHandlerTest(MdnsTestCase):
         # Have a domain with different master then the one where the notify
         # comes from causing it to be "ignored" as in not transferred and
         # logged
-        master = "10.0.0.1"
+
         domain = self._get_secondary_domain({"serial": 123})
-        domain.attributes.append(objects.DomainAttribute(
-            **{"key": "master", "value": master}))
 
         # expected response is an error code REFUSED.  The other fields are
         # id 50048

designate/tests/unit/test_objects/test_domain.py

@@ -18,7 +18,6 @@ import unittest
 
 from oslo_log import log as logging
 from testtools import ExpectedException as raises  # with raises(...): ...
-import mock
 import oslotest.base
 
 from designate import exceptions
@@ -42,47 +41,37 @@ class DomainTest(oslotest.base.BaseTestCase):
 
     def test_masters_none(self):
         domain = objects.Domain()
-        self.assertEqual(domain.masters, None)
+        with raises(exceptions.RelationNotLoaded):
+            self.assertEqual(domain.masters, None)
 
     def test_masters(self):
         domain = objects.Domain(
-            attributes=objects.DomainAttributeList.from_list([
-                objects.DomainAttribute(key='master', value='1.0.0.0')
+            masters=objects.DomainMasterList.from_list([
+                {'host': '1.0.0.0', 'port': 53}
             ])
         )
-        self.assertEqual(domain.masters, ['1.0.0.0'])
+        self.assertEqual(
+            domain.masters.to_list(), [{'host': '1.0.0.0', 'port': 53}])
 
     def test_masters_2(self):
         domain = objects.Domain(
-            attributes=objects.DomainAttributeList.from_list([
-                objects.DomainAttribute(key='master', value='1.0.0.0'),
-                objects.DomainAttribute(key='master', value='2.0.0.0')
+            masters=objects.DomainMasterList.from_list([
+                {'host': '1.0.0.0'},
+                {'host': '2.0.0.0'}
             ])
         )
         self.assertEqual(len(domain.masters), 2)
 
-    def test_set_masters_none(self):
-        domain = create_test_domain()
-        domain.set_masters(('1.0.0.0', '2.0.0.0'))
-        self.assertEqual(len(domain.attributes), 2)
-
     def test_get_master_by_ip(self):
         domain = objects.Domain(
-            attributes=objects.DomainAttributeList.from_list([
-                objects.DomainAttribute(key='master', value='1.0.0.0'),
-                objects.DomainAttribute(key='master', value='2.0.0.0')
+            masters=objects.DomainMasterList.from_list([
+                {'host': '1.0.0.0', 'port': 53},
+                {'host': '2.0.0.0', 'port': 53}
             ])
         )
+        m = domain.get_master_by_ip('2.0.0.0').to_data()
 
-        def mock_split(v):
-            assert ':' not in v
-            return v, ''
-
-        with mock.patch('designate.objects.domain.utils.split_host_port',
-                        side_effect=mock_split):
-            m = domain.get_master_by_ip('2.0.0.0')
-
-        self.assertEqual(m, '2.0.0.0')
+        self.assertEqual(m, '2.0.0.0:53')
 
     @unittest.expectedFailure  # bug: domain.masters is not iterable
     def test_get_master_by_ip_none(self):