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diff --git a/keystone-moon/keystone/federation/backends/__init__.py b/keystone-moon/keystone/federation/backends/__init__.py
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+++ b/keystone-moon/keystone/federation/backends/__init__.py
diff --git a/keystone-moon/keystone/federation/backends/sql.py b/keystone-moon/keystone/federation/backends/sql.py
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+# Copyright 2014 OpenStack Foundation
+#
+# 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
+from oslo_serialization import jsonutils
+import six
+from sqlalchemy import orm
+
+from keystone.common import sql
+from keystone import exception
+from keystone.federation import core
+from keystone.i18n import _
+
+
+LOG = log.getLogger(__name__)
+
+
+class FederationProtocolModel(sql.ModelBase, sql.DictBase):
+    __tablename__ = 'federation_protocol'
+    attributes = ['id', 'idp_id', 'mapping_id']
+    mutable_attributes = frozenset(['mapping_id'])
+
+    id = sql.Column(sql.String(64), primary_key=True)
+    idp_id = sql.Column(sql.String(64), sql.ForeignKey('identity_provider.id',
+                        ondelete='CASCADE'), primary_key=True)
+    mapping_id = sql.Column(sql.String(64), nullable=False)
+
+    @classmethod
+    def from_dict(cls, dictionary):
+        new_dictionary = dictionary.copy()
+        return cls(**new_dictionary)
+
+    def to_dict(self):
+        """Return a dictionary with model's attributes."""
+        d = dict()
+        for attr in self.__class__.attributes:
+            d[attr] = getattr(self, attr)
+        return d
+
+
+class IdentityProviderModel(sql.ModelBase, sql.DictBase):
+    __tablename__ = 'identity_provider'
+    attributes = ['id', 'enabled', 'description', 'remote_ids']
+    mutable_attributes = frozenset(['description', 'enabled', 'remote_ids'])
+
+    id = sql.Column(sql.String(64), primary_key=True)
+    enabled = sql.Column(sql.Boolean, nullable=False)
+    description = sql.Column(sql.Text(), nullable=True)
+    remote_ids = orm.relationship('IdPRemoteIdsModel',
+                                  order_by='IdPRemoteIdsModel.remote_id',
+                                  cascade='all, delete-orphan')
+
+    @classmethod
+    def from_dict(cls, dictionary):
+        new_dictionary = dictionary.copy()
+        remote_ids_list = new_dictionary.pop('remote_ids', None)
+        if not remote_ids_list:
+            remote_ids_list = []
+        identity_provider = cls(**new_dictionary)
+        remote_ids = []
+        # NOTE(fmarco76): the remote_ids_list contains only remote ids
+        # associated with the IdP because of the "relationship" established in
+        # sqlalchemy and corresponding to the FK in the idp_remote_ids table
+        for remote in remote_ids_list:
+            remote_ids.append(IdPRemoteIdsModel(remote_id=remote))
+        identity_provider.remote_ids = remote_ids
+        return identity_provider
+
+    def to_dict(self):
+        """Return a dictionary with model's attributes."""
+        d = dict()
+        for attr in self.__class__.attributes:
+            d[attr] = getattr(self, attr)
+        d['remote_ids'] = []
+        for remote in self.remote_ids:
+            d['remote_ids'].append(remote.remote_id)
+        return d
+
+
+class IdPRemoteIdsModel(sql.ModelBase, sql.DictBase):
+    __tablename__ = 'idp_remote_ids'
+    attributes = ['idp_id', 'remote_id']
+    mutable_attributes = frozenset(['idp_id', 'remote_id'])
+
+    idp_id = sql.Column(sql.String(64),
+                        sql.ForeignKey('identity_provider.id',
+                                       ondelete='CASCADE'))
+    remote_id = sql.Column(sql.String(255),
+                           primary_key=True)
+
+    @classmethod
+    def from_dict(cls, dictionary):
+        new_dictionary = dictionary.copy()
+        return cls(**new_dictionary)
+
+    def to_dict(self):
+        """Return a dictionary with model's attributes."""
+        d = dict()
+        for attr in self.__class__.attributes:
+            d[attr] = getattr(self, attr)
+        return d
+
+
+class MappingModel(sql.ModelBase, sql.DictBase):
+    __tablename__ = 'mapping'
+    attributes = ['id', 'rules']
+
+    id = sql.Column(sql.String(64), primary_key=True)
+    rules = sql.Column(sql.JsonBlob(), nullable=False)
+
+    @classmethod
+    def from_dict(cls, dictionary):
+        new_dictionary = dictionary.copy()
+        new_dictionary['rules'] = jsonutils.dumps(new_dictionary['rules'])
+        return cls(**new_dictionary)
+
+    def to_dict(self):
+        """Return a dictionary with model's attributes."""
+        d = dict()
+        for attr in self.__class__.attributes:
+            d[attr] = getattr(self, attr)
+        d['rules'] = jsonutils.loads(d['rules'])
+        return d
+
+
+class ServiceProviderModel(sql.ModelBase, sql.DictBase):
+    __tablename__ = 'service_provider'
+    attributes = ['auth_url', 'id', 'enabled', 'description',
+                  'relay_state_prefix', 'sp_url']
+    mutable_attributes = frozenset(['auth_url', 'description', 'enabled',
+                                    'relay_state_prefix', 'sp_url'])
+
+    id = sql.Column(sql.String(64), primary_key=True)
+    enabled = sql.Column(sql.Boolean, nullable=False)
+    description = sql.Column(sql.Text(), nullable=True)
+    auth_url = sql.Column(sql.String(256), nullable=False)
+    sp_url = sql.Column(sql.String(256), nullable=False)
+    relay_state_prefix = sql.Column(sql.String(256), nullable=False)
+
+    @classmethod
+    def from_dict(cls, dictionary):
+        new_dictionary = dictionary.copy()
+        return cls(**new_dictionary)
+
+    def to_dict(self):
+        """Return a dictionary with model's attributes."""
+        d = dict()
+        for attr in self.__class__.attributes:
+            d[attr] = getattr(self, attr)
+        return d
+
+
+class Federation(core.FederationDriverV9):
+
+    _CONFLICT_LOG_MSG = 'Conflict %(conflict_type)s: %(details)s'
+
+    def _handle_idp_conflict(self, e):
+        conflict_type = 'identity_provider'
+        details = six.text_type(e)
+        LOG.debug(self._CONFLICT_LOG_MSG, {'conflict_type': conflict_type,
+                                           'details': details})
+        if 'remote_id' in details:
+            msg = _('Duplicate remote ID: %s')
+        else:
+            msg = _('Duplicate entry: %s')
+        msg = msg % e.value
+        raise exception.Conflict(type=conflict_type, details=msg)
+
+    # Identity Provider CRUD
+    def create_idp(self, idp_id, idp):
+        idp['id'] = idp_id
+        try:
+            with sql.session_for_write() as session:
+                idp_ref = IdentityProviderModel.from_dict(idp)
+                session.add(idp_ref)
+                return idp_ref.to_dict()
+        except sql.DBDuplicateEntry as e:
+            self._handle_idp_conflict(e)
+
+    def delete_idp(self, idp_id):
+        with sql.session_for_write() as session:
+            self._delete_assigned_protocols(session, idp_id)
+            idp_ref = self._get_idp(session, idp_id)
+            session.delete(idp_ref)
+
+    def _get_idp(self, session, idp_id):
+        idp_ref = session.query(IdentityProviderModel).get(idp_id)
+        if not idp_ref:
+            raise exception.IdentityProviderNotFound(idp_id=idp_id)
+        return idp_ref
+
+    def _get_idp_from_remote_id(self, session, remote_id):
+        q = session.query(IdPRemoteIdsModel)
+        q = q.filter_by(remote_id=remote_id)
+        try:
+            return q.one()
+        except sql.NotFound:
+            raise exception.IdentityProviderNotFound(idp_id=remote_id)
+
+    def list_idps(self, hints=None):
+        with sql.session_for_read() as session:
+            query = session.query(IdentityProviderModel)
+            idps = sql.filter_limit_query(IdentityProviderModel, query, hints)
+            idps_list = [idp.to_dict() for idp in idps]
+            return idps_list
+
+    def get_idp(self, idp_id):
+        with sql.session_for_read() as session:
+            idp_ref = self._get_idp(session, idp_id)
+            return idp_ref.to_dict()
+
+    def get_idp_from_remote_id(self, remote_id):
+        with sql.session_for_read() as session:
+            ref = self._get_idp_from_remote_id(session, remote_id)
+            return ref.to_dict()
+
+    def update_idp(self, idp_id, idp):
+        try:
+            with sql.session_for_write() as session:
+                idp_ref = self._get_idp(session, idp_id)
+                old_idp = idp_ref.to_dict()
+                old_idp.update(idp)
+                new_idp = IdentityProviderModel.from_dict(old_idp)
+                for attr in IdentityProviderModel.mutable_attributes:
+                    setattr(idp_ref, attr, getattr(new_idp, attr))
+                return idp_ref.to_dict()
+        except sql.DBDuplicateEntry as e:
+            self._handle_idp_conflict(e)
+
+    # Protocol CRUD
+    def _get_protocol(self, session, idp_id, protocol_id):
+        q = session.query(FederationProtocolModel)
+        q = q.filter_by(id=protocol_id, idp_id=idp_id)
+        try:
+            return q.one()
+        except sql.NotFound:
+            kwargs = {'protocol_id': protocol_id,
+                      'idp_id': idp_id}
+            raise exception.FederatedProtocolNotFound(**kwargs)
+
+    @sql.handle_conflicts(conflict_type='federation_protocol')
+    def create_protocol(self, idp_id, protocol_id, protocol):
+        protocol['id'] = protocol_id
+        protocol['idp_id'] = idp_id
+        with sql.session_for_write() as session:
+            self._get_idp(session, idp_id)
+            protocol_ref = FederationProtocolModel.from_dict(protocol)
+            session.add(protocol_ref)
+            return protocol_ref.to_dict()
+
+    def update_protocol(self, idp_id, protocol_id, protocol):
+        with sql.session_for_write() as session:
+            proto_ref = self._get_protocol(session, idp_id, protocol_id)
+            old_proto = proto_ref.to_dict()
+            old_proto.update(protocol)
+            new_proto = FederationProtocolModel.from_dict(old_proto)
+            for attr in FederationProtocolModel.mutable_attributes:
+                setattr(proto_ref, attr, getattr(new_proto, attr))
+            return proto_ref.to_dict()
+
+    def get_protocol(self, idp_id, protocol_id):
+        with sql.session_for_read() as session:
+            protocol_ref = self._get_protocol(session, idp_id, protocol_id)
+            return protocol_ref.to_dict()
+
+    def list_protocols(self, idp_id):
+        with sql.session_for_read() as session:
+            q = session.query(FederationProtocolModel)
+            q = q.filter_by(idp_id=idp_id)
+            protocols = [protocol.to_dict() for protocol in q]
+            return protocols
+
+    def delete_protocol(self, idp_id, protocol_id):
+        with sql.session_for_write() as session:
+            key_ref = self._get_protocol(session, idp_id, protocol_id)
+            session.delete(key_ref)
+
+    def _delete_assigned_protocols(self, session, idp_id):
+        query = session.query(FederationProtocolModel)
+        query = query.filter_by(idp_id=idp_id)
+        query.delete()
+
+    # Mapping CRUD
+    def _get_mapping(self, session, mapping_id):
+        mapping_ref = session.query(MappingModel).get(mapping_id)
+        if not mapping_ref:
+            raise exception.MappingNotFound(mapping_id=mapping_id)
+        return mapping_ref
+
+    @sql.handle_conflicts(conflict_type='mapping')
+    def create_mapping(self, mapping_id, mapping):
+        ref = {}
+        ref['id'] = mapping_id
+        ref['rules'] = mapping.get('rules')
+        with sql.session_for_write() as session:
+            mapping_ref = MappingModel.from_dict(ref)
+            session.add(mapping_ref)
+            return mapping_ref.to_dict()
+
+    def delete_mapping(self, mapping_id):
+        with sql.session_for_write() as session:
+            mapping_ref = self._get_mapping(session, mapping_id)
+            session.delete(mapping_ref)
+
+    def list_mappings(self):
+        with sql.session_for_read() as session:
+            mappings = session.query(MappingModel)
+            return [x.to_dict() for x in mappings]
+
+    def get_mapping(self, mapping_id):
+        with sql.session_for_read() as session:
+            mapping_ref = self._get_mapping(session, mapping_id)
+            return mapping_ref.to_dict()
+
+    @sql.handle_conflicts(conflict_type='mapping')
+    def update_mapping(self, mapping_id, mapping):
+        ref = {}
+        ref['id'] = mapping_id
+        ref['rules'] = mapping.get('rules')
+        with sql.session_for_write() as session:
+            mapping_ref = self._get_mapping(session, mapping_id)
+            old_mapping = mapping_ref.to_dict()
+            old_mapping.update(ref)
+            new_mapping = MappingModel.from_dict(old_mapping)
+            for attr in MappingModel.attributes:
+                setattr(mapping_ref, attr, getattr(new_mapping, attr))
+            return mapping_ref.to_dict()
+
+    def get_mapping_from_idp_and_protocol(self, idp_id, protocol_id):
+        with sql.session_for_read() as session:
+            protocol_ref = self._get_protocol(session, idp_id, protocol_id)
+            mapping_id = protocol_ref.mapping_id
+            mapping_ref = self._get_mapping(session, mapping_id)
+            return mapping_ref.to_dict()
+
+    # Service Provider CRUD
+    @sql.handle_conflicts(conflict_type='service_provider')
+    def create_sp(self, sp_id, sp):
+        sp['id'] = sp_id
+        with sql.session_for_write() as session:
+            sp_ref = ServiceProviderModel.from_dict(sp)
+            session.add(sp_ref)
+            return sp_ref.to_dict()
+
+    def delete_sp(self, sp_id):
+        with sql.session_for_write() as session:
+            sp_ref = self._get_sp(session, sp_id)
+            session.delete(sp_ref)
+
+    def _get_sp(self, session, sp_id):
+        sp_ref = session.query(ServiceProviderModel).get(sp_id)
+        if not sp_ref:
+            raise exception.ServiceProviderNotFound(sp_id=sp_id)
+        return sp_ref
+
+    def list_sps(self, hints=None):
+        with sql.session_for_read() as session:
+            query = session.query(ServiceProviderModel)
+            sps = sql.filter_limit_query(ServiceProviderModel, query, hints)
+            sps_list = [sp.to_dict() for sp in sps]
+            return sps_list
+
+    def get_sp(self, sp_id):
+        with sql.session_for_read() as session:
+            sp_ref = self._get_sp(session, sp_id)
+            return sp_ref.to_dict()
+
+    def update_sp(self, sp_id, sp):
+        with sql.session_for_write() as session:
+            sp_ref = self._get_sp(session, sp_id)
+            old_sp = sp_ref.to_dict()
+            old_sp.update(sp)
+            new_sp = ServiceProviderModel.from_dict(old_sp)
+            for attr in ServiceProviderModel.mutable_attributes:
+                setattr(sp_ref, attr, getattr(new_sp, attr))
+            return sp_ref.to_dict()
+
+    def get_enabled_service_providers(self):
+        with sql.session_for_read() as session:
+            service_providers = session.query(ServiceProviderModel)
+            service_providers = service_providers.filter_by(enabled=True)
+            return service_providers