예제 #1
0
    def batch_update_members(self, old_members, new_members, updated_members):
        updated_members = [(provider_utils.db_member_to_provider_member(
            self._member_repo.get(db_apis.get_session(),
                                  id=m.get(constants.ID))).to_dict(), m)
                           for m in updated_members]
        provider_old_members = [
            provider_utils.db_member_to_provider_member(
                self._member_repo.get(db_apis.get_session(),
                                      id=m.get(constants.ID))).to_dict()
            for m in old_members
        ]
        if old_members:
            pool = self._pool_repo.get(db_apis.get_session(),
                                       id=old_members[0][constants.POOL_ID])
        elif new_members:
            pool = self._pool_repo.get(db_apis.get_session(),
                                       id=new_members[0][constants.POOL_ID])
        else:
            pool = self._pool_repo.get(
                db_apis.get_session(),
                id=updated_members[0][0][constants.POOL_ID])
        load_balancer = pool.load_balancer

        listeners_dicts = (
            provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
                pool.listeners))
        provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
            load_balancer).to_dict()

        store = {
            constants.LISTENERS: listeners_dicts,
            constants.LOADBALANCER_ID: load_balancer.id,
            constants.LOADBALANCER: provider_lb,
            constants.POOL_ID: pool.id,
            constants.PROJECT_ID: load_balancer.project_id
        }
        if load_balancer.availability_zone:
            store[constants.AVAILABILITY_ZONE] = (
                self._az_repo.get_availability_zone_metadata_dict(
                    db_apis.get_session(), load_balancer.availability_zone))
        else:
            store[constants.AVAILABILITY_ZONE] = {}

        batch_update_members_tf = self._taskflow_load(
            self._member_flows.get_batch_update_members_flow(
                provider_old_members, new_members, updated_members),
            store=store)
        with tf_logging.DynamicLoggingListener(batch_update_members_tf,
                                               log=LOG):
            batch_update_members_tf.run()
예제 #2
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def process_get(get_data):
    session = db_api.get_session()

    if get_data[constants.OBJECT] == lib_consts.LOADBALANCERS:
        lb_repo = repositories.LoadBalancerRepository()
        db_lb = lb_repo.get(session, id=get_data[lib_consts.ID],
                            show_deleted=False)
        if db_lb:
            provider_lb = (
                driver_utils.db_loadbalancer_to_provider_loadbalancer(db_lb))
            return provider_lb.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.LISTENERS:
        listener_repo = repositories.ListenerRepository()
        db_listener = listener_repo.get(
            session, id=get_data[lib_consts.ID], show_deleted=False)
        if db_listener:
            provider_listener = (
                driver_utils.db_listener_to_provider_listener(db_listener))
            return provider_listener.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.POOLS:
        pool_repo = repositories.PoolRepository()
        db_pool = pool_repo.get(session, id=get_data[lib_consts.ID],
                                show_deleted=False)
        if db_pool:
            provider_pool = (
                driver_utils.db_pool_to_provider_pool(db_pool))
            return provider_pool.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.MEMBERS:
        member_repo = repositories.MemberRepository()
        db_member = member_repo.get(session, id=get_data[lib_consts.ID],
                                    show_deleted=False)
        if db_member:
            provider_member = (
                driver_utils.db_member_to_provider_member(db_member))
            return provider_member.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.HEALTHMONITORS:
        hm_repo = repositories.HealthMonitorRepository()
        db_hm = hm_repo.get(session, id=get_data[lib_consts.ID],
                            show_deleted=False)
        if db_hm:
            provider_hm = (
                driver_utils.db_HM_to_provider_HM(db_hm))
            return provider_hm.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.L7POLICIES:
        l7policy_repo = repositories.L7PolicyRepository()
        db_l7policy = l7policy_repo.get(session, id=get_data[lib_consts.ID],
                                        show_deleted=False)
        if db_l7policy:
            provider_l7policy = (
                driver_utils.db_l7policy_to_provider_l7policy(db_l7policy))
            return provider_l7policy.to_dict(recurse=True, render_unsets=True)
    elif get_data[constants.OBJECT] == lib_consts.L7RULES:
        l7rule_repo = repositories.L7RuleRepository()
        db_l7rule = l7rule_repo.get(session, id=get_data[lib_consts.ID],
                                    show_deleted=False)
        if db_l7rule:
            provider_l7rule = (
                driver_utils.db_l7rule_to_provider_l7rule(db_l7rule))
            return provider_l7rule.to_dict(recurse=True, render_unsets=True)
    return {}
예제 #3
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    def delete(self, id):
        """Deletes a pool member."""
        context = pecan.request.context.get('octavia_context')
        db_member = self._get_db_member(context.session,
                                        id,
                                        show_deleted=False)

        pool = self.repositories.pool.get(context.session,
                                          id=db_member.pool_id)
        project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, project_id, constants.RBAC_DELETE)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session,
                                                         member=db_member)
            self.repositories.member.update(
                lock_session,
                db_member.id,
                provisioning_status=constants.PENDING_DELETE)

            LOG.info("Sending delete Member %s to provider %s", id,
                     driver.name)
            provider_member = (
                driver_utils.db_member_to_provider_member(db_member))
            driver_utils.call_provider(driver.name, driver.member_delete,
                                       provider_member)
예제 #4
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파일: member.py 프로젝트: openstack/octavia
    def delete(self, id):
        """Deletes a pool member."""
        context = pecan.request.context.get('octavia_context')
        db_member = self._get_db_member(context.session, id,
                                        show_deleted=False)

        pool = self.repositories.pool.get(context.session,
                                          id=db_member.pool_id)
        project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, project_id, constants.RBAC_DELETE)

        self._validate_pool_id(id, db_member.pool_id)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session,
                                                         member=db_member)
            self.repositories.member.update(
                lock_session, db_member.id,
                provisioning_status=constants.PENDING_DELETE)

            LOG.info("Sending delete Member %s to provider %s", id,
                     driver.name)
            provider_member = (
                driver_utils.db_member_to_provider_member(db_member))
            driver_utils.call_provider(driver.name, driver.member_delete,
                                       provider_member)
예제 #5
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    def post(self, member_):
        """Creates a pool member on a pool."""
        member = member_.member
        context = pecan.request.context.get('octavia_context')

        validate.ip_not_reserved(member.address)

        # Validate member subnet
        if member.subnet_id and not validate.subnet_exists(member.subnet_id):
            raise exceptions.NotFound(resource='Subnet', id=member.subnet_id)
        pool = self.repositories.pool.get(context.session, id=self.pool_id)
        member.project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, member.project_id,
                                   constants.RBAC_POST)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        lock_session = db_api.get_session(autocommit=False)
        try:
            if self.repositories.check_clusterquota_met(
                    lock_session, data_models.Member,
                    base_res_id=self.pool_id):
                raise exceptions.ClusterQuotaException(
                    resource=data_models.Member._name())
            if self.repositories.check_quota_met(context.session, lock_session,
                                                 data_models.Member,
                                                 member.project_id):
                raise exceptions.QuotaException(
                    resource=data_models.Member._name())

            member_dict = db_prepare.create_member(
                member.to_dict(render_unsets=True), self.pool_id,
                bool(pool.health_monitor))

            self._test_lb_and_listener_and_pool_statuses(lock_session)

            db_member = self._validate_create_member(lock_session, member_dict)

            # Prepare the data for the driver data model
            provider_member = (
                driver_utils.db_member_to_provider_member(db_member))

            # Dispatch to the driver
            LOG.info("Sending create Member %s to provider %s", db_member.id,
                     driver.name)
            driver_utils.call_provider(driver.name, driver.member_create,
                                       provider_member)

            lock_session.commit()
        except Exception:
            with excutils.save_and_reraise_exception():
                lock_session.rollback()

        db_member = self._get_db_member(context.session, db_member.id)
        result = self._convert_db_to_type(db_member,
                                          member_types.MemberResponse)
        return member_types.MemberRootResponse(member=result)
예제 #6
0
파일: member.py 프로젝트: openstack/octavia
    def post(self, member_):
        """Creates a pool member on a pool."""
        member = member_.member
        context = pecan.request.context.get('octavia_context')

        validate.ip_not_reserved(member.address)

        # Validate member subnet
        if member.subnet_id and not validate.subnet_exists(member.subnet_id):
            raise exceptions.NotFound(resource='Subnet',
                                      id=member.subnet_id)
        pool = self.repositories.pool.get(context.session, id=self.pool_id)
        member.project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, member.project_id,
                                   constants.RBAC_POST)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        lock_session = db_api.get_session(autocommit=False)
        try:
            if self.repositories.check_quota_met(
                    context.session,
                    lock_session,
                    data_models.Member,
                    member.project_id):
                raise exceptions.QuotaException(
                    resource=data_models.Member._name())

            member_dict = db_prepare.create_member(member.to_dict(
                render_unsets=True), self.pool_id, bool(pool.health_monitor))

            self._test_lb_and_listener_and_pool_statuses(lock_session)

            db_member = self._validate_create_member(lock_session, member_dict)

            # Prepare the data for the driver data model
            provider_member = (
                driver_utils.db_member_to_provider_member(db_member))

            # Dispatch to the driver
            LOG.info("Sending create Member %s to provider %s",
                     db_member.id, driver.name)
            driver_utils.call_provider(
                driver.name, driver.member_create, provider_member)

            lock_session.commit()
        except Exception:
            with excutils.save_and_reraise_exception():
                lock_session.rollback()

        db_member = self._get_db_member(context.session, db_member.id)
        result = self._convert_db_to_type(db_member,
                                          member_types.MemberResponse)
        return member_types.MemberRootResponse(member=result)
예제 #7
0
파일: member.py 프로젝트: HNicholas/octavia
    def put(self, id, member_):
        """Updates a pool member."""
        member = member_.member
        context = pecan_request.context.get('octavia_context')
        db_member = self._get_db_member(context.session, id,
                                        show_deleted=False)

        pool = self.repositories.pool.get(context.session,
                                          id=db_member.pool_id)
        project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, project_id, constants.RBAC_PUT)

        self._validate_pool_id(id, db_member.pool_id)

        self._set_default_on_none(member)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session,
                                                         member=db_member)

            # Prepare the data for the driver data model
            member_dict = member.to_dict(render_unsets=False)
            member_dict['id'] = id
            provider_member_dict = (
                driver_utils.member_dict_to_provider_dict(member_dict))

            # Also prepare the baseline object data
            old_provider_member = driver_utils.db_member_to_provider_member(
                db_member)

            # Dispatch to the driver
            LOG.info("Sending update Member %s to provider %s", id,
                     driver.name)
            driver_utils.call_provider(
                driver.name, driver.member_update,
                old_provider_member,
                driver_dm.Member.from_dict(provider_member_dict))

            # Update the database to reflect what the driver just accepted
            member.provisioning_status = constants.PENDING_UPDATE
            db_member_dict = member.to_dict(render_unsets=False)
            self.repositories.member.update(lock_session, id, **db_member_dict)

        # Force SQL alchemy to query the DB, otherwise we get inconsistent
        # results
        context.session.expire_all()
        db_member = self._get_db_member(context.session, id)
        result = self._convert_db_to_type(db_member,
                                          member_types.MemberResponse)
        return member_types.MemberRootResponse(member=result)
예제 #8
0
파일: member.py 프로젝트: openstack/octavia
    def put(self, id, member_):
        """Updates a pool member."""
        member = member_.member
        context = pecan.request.context.get('octavia_context')
        db_member = self._get_db_member(context.session, id,
                                        show_deleted=False)

        pool = self.repositories.pool.get(context.session,
                                          id=db_member.pool_id)
        project_id, provider = self._get_lb_project_id_provider(
            context.session, pool.load_balancer_id)

        self._auth_validate_action(context, project_id, constants.RBAC_PUT)

        self._validate_pool_id(id, db_member.pool_id)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session,
                                                         member=db_member)

            # Prepare the data for the driver data model
            member_dict = member.to_dict(render_unsets=False)
            member_dict['id'] = id
            provider_member_dict = (
                driver_utils.member_dict_to_provider_dict(member_dict))

            # Also prepare the baseline object data
            old_provider_member = driver_utils.db_member_to_provider_member(
                db_member)

            # Dispatch to the driver
            LOG.info("Sending update Member %s to provider %s", id,
                     driver.name)
            driver_utils.call_provider(
                driver.name, driver.member_update,
                old_provider_member,
                driver_dm.Member.from_dict(provider_member_dict))

            # Update the database to reflect what the driver just accepted
            member.provisioning_status = constants.PENDING_UPDATE
            db_member_dict = member.to_dict(render_unsets=False)
            self.repositories.member.update(lock_session, id, **db_member_dict)

        # Force SQL alchemy to query the DB, otherwise we get inconsistent
        # results
        context.session.expire_all()
        db_member = self._get_db_member(context.session, id)
        result = self._convert_db_to_type(db_member,
                                          member_types.MemberResponse)
        return member_types.MemberRootResponse(member=result)
예제 #9
0
    def batch_update_members(self, old_members, new_members,
                             updated_members):
        updated_members = [
            (provider_utils.db_member_to_provider_member(
                self._member_repo.get(db_apis.get_session(),
                                      id=m.get(constants.ID))).to_dict(),
             m)
            for m in updated_members]
        provider_old_members = [
            provider_utils.db_member_to_provider_member(
                self._member_repo.get(db_apis.get_session(),
                                      id=m.get(constants.ID))).to_dict()
            for m in old_members]
        if old_members:
            pool = self._pool_repo.get(db_apis.get_session(),
                                       id=old_members[0][constants.POOL_ID])
        elif new_members:
            pool = self._pool_repo.get(db_apis.get_session(),
                                       id=new_members[0][constants.POOL_ID])
        else:
            pool = self._pool_repo.get(
                db_apis.get_session(),
                id=updated_members[0][0][constants.POOL_ID])
        load_balancer = pool.load_balancer

        listeners_dicts = (
            provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
                pool.listeners))

        batch_update_members_tf = self._taskflow_load(
            self._member_flows.get_batch_update_members_flow(
                provider_old_members, new_members, updated_members),
            store={constants.LISTENERS: listeners_dicts,
                   constants.LOADBALANCER: load_balancer,
                   constants.LOADBALANCER_ID: load_balancer.id,
                   constants.POOL_ID: pool.id,
                   constants.PROJECT_ID: load_balancer.project_id})
        with tf_logging.DynamicLoggingListener(batch_update_members_tf,
                                               log=LOG):
            batch_update_members_tf.run()
예제 #10
0
    def put(self, members_):
        """Updates all members."""
        members = members_.members
        context = pecan.request.context.get('octavia_context')

        db_pool = self._get_db_pool(context.session, self.pool_id)
        old_members = db_pool.members

        project_id, provider = self._get_lb_project_id_provider(
            context.session, db_pool.load_balancer_id)

        # Check POST+PUT+DELETE since this operation is all of 'CUD'
        self._auth_validate_action(context, project_id, constants.RBAC_POST)
        self._auth_validate_action(context, project_id, constants.RBAC_PUT)
        self._auth_validate_action(context, project_id, constants.RBAC_DELETE)

        # Validate member subnets
        for member in members:
            if member.subnet_id and not validate.subnet_exists(
                    member.subnet_id):
                raise exceptions.NotFound(resource='Subnet',
                                          id=member.subnet_id)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session)

            member_count_diff = len(members) - len(old_members)
            if member_count_diff > 0 and self.repositories.check_quota_met(
                    context.session,
                    lock_session,
                    data_models.Member,
                    db_pool.project_id,
                    count=member_count_diff):
                raise exceptions.QuotaException(
                    resource=data_models.Member._name())

            old_member_uniques = {(m.ip_address, m.protocol_port): m.id
                                  for m in old_members}
            new_member_uniques = [(m.address, m.protocol_port)
                                  for m in members]

            # Find members that are brand new or updated
            new_members = []
            updated_members = []
            for m in members:
                if (m.address, m.protocol_port) not in old_member_uniques:
                    validate.ip_not_reserved(m.address)
                    new_members.append(m)
                else:
                    m.id = old_member_uniques[(m.address, m.protocol_port)]
                    updated_members.append(m)

            # Find members that are deleted
            deleted_members = []
            for m in old_members:
                if (m.ip_address, m.protocol_port) not in new_member_uniques:
                    deleted_members.append(m)

            provider_members = []
            # Create new members
            for m in new_members:
                m = m.to_dict(render_unsets=False)
                m['project_id'] = db_pool.project_id
                created_member = self._graph_create(lock_session, m)
                provider_member = driver_utils.db_member_to_provider_member(
                    created_member)
                provider_members.append(provider_member)
            # Update old members
            for m in updated_members:
                m.provisioning_status = constants.PENDING_UPDATE
                db_member_dict = m.to_dict(render_unsets=False)
                db_member_dict.pop('id')
                self.repositories.member.update(lock_session, m.id,
                                                **db_member_dict)

                m.pool_id = self.pool_id
                provider_members.append(
                    driver_utils.db_member_to_provider_member(m))
            # Delete old members
            for m in deleted_members:
                self.repositories.member.update(
                    lock_session,
                    m.id,
                    provisioning_status=constants.PENDING_DELETE)

            # Dispatch to the driver
            LOG.info("Sending Pool %s batch member update to provider %s",
                     db_pool.id, driver.name)
            driver_utils.call_provider(driver.name, driver.member_batch_update,
                                       provider_members)
예제 #11
0
파일: member.py 프로젝트: openstack/octavia
    def put(self, members_):
        """Updates all members."""
        members = members_.members
        context = pecan.request.context.get('octavia_context')

        db_pool = self._get_db_pool(context.session, self.pool_id)
        old_members = db_pool.members

        project_id, provider = self._get_lb_project_id_provider(
            context.session, db_pool.load_balancer_id)

        # Check POST+PUT+DELETE since this operation is all of 'CUD'
        self._auth_validate_action(context, project_id, constants.RBAC_POST)
        self._auth_validate_action(context, project_id, constants.RBAC_PUT)
        self._auth_validate_action(context, project_id, constants.RBAC_DELETE)

        # Validate member subnets
        for member in members:
            if member.subnet_id and not validate.subnet_exists(
                    member.subnet_id):
                raise exceptions.NotFound(resource='Subnet',
                                          id=member.subnet_id)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session)

            member_count_diff = len(members) - len(old_members)
            if member_count_diff > 0 and self.repositories.check_quota_met(
                    context.session, lock_session, data_models.Member,
                    db_pool.project_id, count=member_count_diff):
                raise exceptions.QuotaException(
                    resource=data_models.Member._name())

            old_member_uniques = {
                (m.ip_address, m.protocol_port): m.id for m in old_members}
            new_member_uniques = [
                (m.address, m.protocol_port) for m in members]

            # Find members that are brand new or updated
            new_members = []
            updated_members = []
            for m in members:
                if (m.address, m.protocol_port) not in old_member_uniques:
                    validate.ip_not_reserved(m.address)
                    new_members.append(m)
                else:
                    m.id = old_member_uniques[(m.address, m.protocol_port)]
                    updated_members.append(m)

            # Find members that are deleted
            deleted_members = []
            for m in old_members:
                if (m.ip_address, m.protocol_port) not in new_member_uniques:
                    deleted_members.append(m)

            provider_members = []
            # Create new members
            for m in new_members:
                m = m.to_dict(render_unsets=False)
                m['project_id'] = db_pool.project_id
                created_member = self._graph_create(lock_session, m)
                provider_member = driver_utils.db_member_to_provider_member(
                    created_member)
                provider_members.append(provider_member)
            # Update old members
            for m in updated_members:
                m.provisioning_status = constants.PENDING_UPDATE
                db_member_dict = m.to_dict(render_unsets=False)
                db_member_dict.pop('id')
                self.repositories.member.update(
                    lock_session, m.id, **db_member_dict)

                m.pool_id = self.pool_id
                provider_members.append(
                    driver_utils.db_member_to_provider_member(m))
            # Delete old members
            for m in deleted_members:
                self.repositories.member.update(
                    lock_session, m.id,
                    provisioning_status=constants.PENDING_DELETE)

            # Dispatch to the driver
            LOG.info("Sending Pool %s batch member update to provider %s",
                     db_pool.id, driver.name)
            driver_utils.call_provider(
                driver.name, driver.member_batch_update, provider_members)
예제 #12
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    def put(self, additive_only=False, members_=None):
        """Updates all members."""
        members = members_.members
        additive_only = strutils.bool_from_string(additive_only)
        context = pecan_request.context.get('octavia_context')

        db_pool = self._get_db_pool(context.session, self.pool_id)
        old_members = db_pool.members

        project_id, provider = self._get_lb_project_id_provider(
            context.session, db_pool.load_balancer_id)

        # Check POST+PUT+DELETE since this operation is all of 'CUD'
        self._auth_validate_action(context, project_id, constants.RBAC_POST)
        self._auth_validate_action(context, project_id, constants.RBAC_PUT)
        if not additive_only:
            self._auth_validate_action(context, project_id,
                                       constants.RBAC_DELETE)

        # Validate member subnets
        for member in members:
            if member.subnet_id and not validate.subnet_exists(
                    member.subnet_id, context=context):
                raise exceptions.NotFound(resource='Subnet',
                                          id=member.subnet_id)

        # Load the driver early as it also provides validation
        driver = driver_factory.get_driver(provider)

        with db_api.get_lock_session() as lock_session:
            self._test_lb_and_listener_and_pool_statuses(lock_session)

            old_member_uniques = {(m.ip_address, m.protocol_port): m.id
                                  for m in old_members}
            new_member_uniques = [(m.address, m.protocol_port)
                                  for m in members]

            # Find members that are brand new or updated
            new_members = []
            updated_members = []
            for m in members:
                if (m.address, m.protocol_port) not in old_member_uniques:
                    validate.ip_not_reserved(m.address)
                    new_members.append(m)
                else:
                    m.id = old_member_uniques[(m.address, m.protocol_port)]
                    updated_members.append(m)

            # Find members that are deleted
            deleted_members = []
            for m in old_members:
                if (m.ip_address, m.protocol_port) not in new_member_uniques:
                    deleted_members.append(m)

            if not (deleted_members or new_members or updated_members):
                LOG.info("Member batch update is a noop, rolling back and "
                         "returning early.")
                lock_session.rollback()
                return

            if additive_only:
                member_count_diff = len(new_members)
            else:
                member_count_diff = len(new_members) - len(deleted_members)
            if member_count_diff > 0 and self.repositories.check_quota_met(
                    context.session,
                    lock_session,
                    data_models.Member,
                    db_pool.project_id,
                    count=member_count_diff):
                raise exceptions.QuotaException(
                    resource=data_models.Member._name())

            provider_members = []
            # Create new members
            for m in new_members:
                m = m.to_dict(render_unsets=False)
                m['project_id'] = db_pool.project_id
                created_member = self._graph_create(lock_session, m)
                provider_member = driver_utils.db_member_to_provider_member(
                    created_member)
                provider_members.append(provider_member)
            # Update old members
            for m in updated_members:
                m.provisioning_status = constants.PENDING_UPDATE
                m.project_id = db_pool.project_id
                db_member_dict = m.to_dict(render_unsets=False)
                db_member_dict.pop('id')
                self.repositories.member.update(lock_session, m.id,
                                                **db_member_dict)

                m.pool_id = self.pool_id
                provider_members.append(
                    driver_utils.db_member_to_provider_member(m))
            # Delete old members
            for m in deleted_members:
                if additive_only:
                    # Members are appended to the dict and their status remains
                    # unchanged, because they are logically "untouched".
                    db_member_dict = m.to_dict(render_unsets=False)
                    db_member_dict.pop('id')
                    m.pool_id = self.pool_id
                    provider_members.append(
                        driver_utils.db_member_to_provider_member(m))
                else:
                    # Members are changed to PENDING_DELETE and not passed.
                    self.repositories.member.update(
                        lock_session,
                        m.id,
                        provisioning_status=constants.PENDING_DELETE)

            # Dispatch to the driver
            LOG.info("Sending Pool %s batch member update to provider %s",
                     db_pool.id, driver.name)
            driver_utils.call_provider(driver.name, driver.member_batch_update,
                                       db_pool.id, provider_members)