diff --git a/src/service/requirements.in b/src/service/requirements.in index 48fd76485d6bbaf53c3867147882614fc0cf1b04..a10f7da7aba3027a89bdd8e9b62bc4ab90fb5e02 100644 --- a/src/service/requirements.in +++ b/src/service/requirements.in @@ -15,6 +15,7 @@ anytree==2.8.0 geopy==2.3.0 +netaddr==0.9.0 networkx==2.6.3 pydot==1.4.2 redis==4.1.2 diff --git a/src/service/service/service_handlers/l3nm_ietf_actn/ConfigRuleComposer.py b/src/service/service/service_handlers/l3nm_ietf_actn/ConfigRuleComposer.py deleted file mode 100644 index deb096b06f1e1af32c11051dabc285489ee2ca87..0000000000000000000000000000000000000000 --- a/src/service/service/service_handlers/l3nm_ietf_actn/ConfigRuleComposer.py +++ /dev/null @@ -1,128 +0,0 @@ -# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/) -# -# 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 typing import Dict, List, Optional, Tuple -from common.proto.context_pb2 import Device, EndPoint -from common.tools.object_factory.ConfigRule import json_config_rule_delete, json_config_rule_set - -from service.service.service_handler_api.AnyTreeTools import TreeNode - -def _interface( - if_name : str, ipv4_address : str, ipv4_prefix_length : int, enabled : bool, - vlan_id : Optional[int] = None, sif_index : Optional[int] = 1 -) -> Tuple[str, Dict]: - str_path = '/interface[{:s}]'.format(if_name) - data = { - 'name': if_name, 'enabled': enabled, 'sub_if_index': sif_index, - 'sub_if_enabled': enabled, 'sub_if_ipv4_enabled': enabled, - 'sub_if_ipv4_address': ipv4_address, 'sub_if_ipv4_prefix_length': ipv4_prefix_length - } - if vlan_id is not None: data['sub_if_vlan'] = vlan_id - return str_path, data - -def _network_instance(ni_name, ni_type) -> Tuple[str, Dict]: - str_path = '/network_instance[{:s}]'.format(ni_name) - data = {'name': ni_name, 'type': ni_type} - return str_path, data - -def _network_instance_static_route(ni_name, prefix, next_hop, next_hop_index=0) -> Tuple[str, Dict]: - str_path = '/network_instance[{:s}]/static_route[{:s}]'.format(ni_name, prefix) - data = {'name': ni_name, 'prefix': prefix, 'next_hop': next_hop, 'next_hop_index': next_hop_index} - return str_path, data - -def _network_instance_interface(ni_name, if_name, sif_index) -> Tuple[str, Dict]: - str_path = '/network_instance[{:s}]/interface[{:s}.{:d}]'.format(ni_name, if_name, sif_index) - data = {'name': ni_name, 'if_name': if_name, 'sif_index': sif_index} - return str_path, data - -class EndpointComposer: - def __init__(self, endpoint_uuid : str) -> None: - self.uuid = endpoint_uuid - self.objekt : Optional[EndPoint] = None - self.sub_interface_index = 0 - self.ipv4_address = None - self.ipv4_prefix_length = None - self.sub_interface_vlan_id = 0 - - def configure(self, endpoint_obj : EndPoint, settings : Optional[TreeNode]) -> None: - self.objekt = endpoint_obj - if settings is None: return - json_settings : Dict = settings.value - self.ipv4_address = json_settings['ipv4_address'] - self.ipv4_prefix_length = json_settings['ipv4_prefix_length'] - self.sub_interface_index = json_settings['sub_interface_index'] - self.sub_interface_vlan_id = json_settings['sub_interface_vlan_id'] - - def get_config_rules(self, network_instance_name : str, delete : bool = False) -> List[Dict]: - json_config_rule = json_config_rule_delete if delete else json_config_rule_set - return [ - json_config_rule(*_interface( - self.objekt.name, self.ipv4_address, self.ipv4_prefix_length, True, - sif_index=self.sub_interface_index, vlan_id=self.sub_interface_vlan_id, - )), - json_config_rule(*_network_instance_interface( - network_instance_name, self.objekt.name, self.sub_interface_index - )), - ] - -class DeviceComposer: - def __init__(self, device_uuid : str) -> None: - self.uuid = device_uuid - self.objekt : Optional[Device] = None - self.endpoints : Dict[str, EndpointComposer] = dict() - self.static_routes : Dict[str, str] = dict() - - def get_endpoint(self, endpoint_uuid : str) -> EndpointComposer: - if endpoint_uuid not in self.endpoints: - self.endpoints[endpoint_uuid] = EndpointComposer(endpoint_uuid) - return self.endpoints[endpoint_uuid] - - def configure(self, device_obj : Device, settings : Optional[TreeNode]) -> None: - self.objekt = device_obj - if settings is None: return - json_settings : Dict = settings.value - static_routes = json_settings.get('static_routes', []) - for static_route in static_routes: - prefix = static_route['prefix'] - next_hop = static_route['next_hop'] - self.static_routes[prefix] = next_hop - - def get_config_rules(self, network_instance_name : str, delete : bool = False) -> List[Dict]: - json_config_rule = json_config_rule_delete if delete else json_config_rule_set - config_rules = [ - json_config_rule(*_network_instance(network_instance_name, 'L3VRF')) - ] - for endpoint in self.endpoints.values(): - config_rules.extend(endpoint.get_config_rules(network_instance_name, delete=delete)) - for prefix, next_hop in self.static_routes.items(): - config_rules.append( - json_config_rule(*_network_instance_static_route(network_instance_name, prefix, next_hop)) - ) - if delete: config_rules = list(reversed(config_rules)) - return config_rules - -class ConfigRuleComposer: - def __init__(self) -> None: - self.devices : Dict[str, DeviceComposer] = dict() - - def get_device(self, device_uuid : str) -> DeviceComposer: - if device_uuid not in self.devices: - self.devices[device_uuid] = DeviceComposer(device_uuid) - return self.devices[device_uuid] - - def get_config_rules(self, network_instance_name : str, delete : bool = False) -> Dict[str, List[Dict]]: - return { - device_uuid : device.get_config_rules(network_instance_name, delete=delete) - for device_uuid, device in self.devices.items() - } diff --git a/src/service/service/service_handlers/l3nm_ietf_actn/Constants.py b/src/service/service/service_handlers/l3nm_ietf_actn/Constants.py new file mode 100644 index 0000000000000000000000000000000000000000..62babd7c20491a2673a6dc3d10db33d33bb0a47a --- /dev/null +++ b/src/service/service/service_handlers/l3nm_ietf_actn/Constants.py @@ -0,0 +1,52 @@ +# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/) +# +# 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. + +# These hardcoded values will be updated with proper logic in second phase of the PoC + +VPN_VLAN_TAGS_TO_SERVICE_NAME = { + (21, 101): ('osu_tunnel_1', 'etht_service_1'), + (31, 201): ('osu_tunnel_2', 'etht_service_2'), +} + +OSU_TUNNEL_SETTINGS = { + 'osu_tunnel_1': { + 'odu_type': 'osuflex', + 'osuflex_number': 40, + 'bidirectional': True, + 'delay': 20, + 'ttp_channel_names': { + ('10.0.10.1', '200'): 'och:1-odu2:1-oduflex:1-osuflex:2', + ('10.0.30.1', '200'): 'och:1-odu2:1-oduflex:3-osuflex:1', + } + }, + 'osu_tunnel_2': { + 'odu_type': 'osuflex', + 'osuflex_number': 40, + 'bidirectional': True, + 'delay': 20, + 'ttp_channel_names': { + ('10.0.10.1', '200'): 'och:1-odu2:1-oduflex:1-osuflex:2', + ('10.0.30.1', '200'): 'och:1-odu2:1-oduflex:3-osuflex:1', + } + }, +} + +ETHT_SERVICE_SETTINGS = { + 'etht_service_1': { + 'service_type': 'op-mp2mp-svc', + }, + 'etht_service_2': { + 'service_type': 'op-mp2mp-svc', + }, +} diff --git a/src/service/service/service_handlers/l3nm_ietf_actn/L3NMIetfActnServiceHandler.py b/src/service/service/service_handlers/l3nm_ietf_actn/L3NMIetfActnServiceHandler.py index 4b53ac0d27ed8413d9ddd947b055c5623b93d429..0c20fdf96d30d0c12ef3f8c0a29189befd791a15 100644 --- a/src/service/service/service_handlers/l3nm_ietf_actn/L3NMIetfActnServiceHandler.py +++ b/src/service/service/service_handlers/l3nm_ietf_actn/L3NMIetfActnServiceHandler.py @@ -12,17 +12,19 @@ # See the License for the specific language governing permissions and # limitations under the License. -import json, logging +import json, logging, netaddr from typing import Any, Dict, List, Optional, Tuple, Union from common.method_wrappers.Decorator import MetricsPool, metered_subclass_method -from common.proto.context_pb2 import ConfigRule, DeviceId, Service +from common.proto.context_pb2 import ConfigRule, Device, DeviceId, EndPoint, Service +from common.tools.grpc.Tools import grpc_message_to_json_string +from common.tools.object_factory.ConfigRule import json_config_rule_delete, json_config_rule_set from common.tools.object_factory.Device import json_device_id from common.type_checkers.Checkers import chk_type from service.service.service_handler_api.Tools import get_device_endpoint_uuids, get_endpoint_matching from service.service.service_handler_api._ServiceHandler import _ServiceHandler from service.service.service_handler_api.SettingsHandler import SettingsHandler from service.service.task_scheduler.TaskExecutor import TaskExecutor -from .ConfigRuleComposer import ConfigRuleComposer +from .Constants import ETHT_SERVICE_SETTINGS, OSU_TUNNEL_SETTINGS, VPN_VLAN_TAGS_TO_SERVICE_NAME LOGGER = logging.getLogger(__name__) @@ -35,79 +37,234 @@ class L3NMIetfActnServiceHandler(_ServiceHandler): self.__service = service self.__task_executor = task_executor self.__settings_handler = SettingsHandler(service.service_config, **settings) - self.__composer = ConfigRuleComposer() - self.__endpoint_map : Dict[Tuple[str, str], str] = dict() - def _compose_config_rules(self, endpoints : List[Tuple[str, str, Optional[str]]]) -> None: - for endpoint in endpoints: - device_uuid, endpoint_uuid = get_device_endpoint_uuids(endpoint) + def _get_endpoint_details( + self, endpoint : Tuple[str, str, Optional[str]] + ) -> Tuple[Device, EndPoint, Dict]: + device_uuid, endpoint_uuid = get_device_endpoint_uuids(endpoint) + device_obj = self.__task_executor.get_device(DeviceId(**json_device_id(device_uuid))) + endpoint_obj = get_endpoint_matching(device_obj, endpoint_uuid) + endpoint_settings = self.__settings_handler.get_endpoint_settings(device_obj, endpoint_obj) + device_name = device_obj.name + endpoint_name = endpoint_obj.name + if endpoint_settings is None: + MSG = 'Settings not found for Endpoint(device=[uuid={:s}, name={:s}], endpoint=[uuid={:s}, name={:s}])' + raise Exception(MSG.format(device_uuid, device_name, endpoint_uuid, endpoint_name)) + endpoint_settings_dict : Dict = endpoint_settings.value + return device_obj, endpoint_obj, endpoint_settings_dict - device_obj = self.__task_executor.get_device(DeviceId(**json_device_id(device_uuid))) - device_settings = self.__settings_handler.get_device_settings(device_obj) - _device = self.__composer.get_device(device_obj.name) - _device.configure(device_obj, device_settings) + def _get_service_names( + self, + src_endpoint_details : Tuple[Device, EndPoint, Dict], + dst_endpoint_details : Tuple[Device, EndPoint, Dict] + ) -> Tuple[str, str]: + _, _, src_endpoint_settings_dict = src_endpoint_details + src_vlan_tag = src_endpoint_settings_dict['vlan_tag'] - endpoint_obj = get_endpoint_matching(device_obj, endpoint_uuid) - endpoint_settings = self.__settings_handler.get_endpoint_settings(device_obj, endpoint_obj) - _endpoint = _device.get_endpoint(endpoint_obj.name) - _endpoint.configure(endpoint_obj, endpoint_settings) + _, _, dst_endpoint_settings_dict = dst_endpoint_details + dst_vlan_tag = dst_endpoint_settings_dict['vlan_tag'] - self.__endpoint_map[(device_uuid, endpoint_uuid)] = device_obj.name + service_names = VPN_VLAN_TAGS_TO_SERVICE_NAME.get((src_vlan_tag, dst_vlan_tag)) + if service_names is None: + MSG = 'Unable to find service names from VLAN tags(src={:s}, dst={:s})' + raise Exception(MSG.format(str(src_vlan_tag), str(dst_vlan_tag))) + return service_names - def _do_configurations( - self, config_rules_per_device : Dict[str, List[Dict]], endpoints : List[Tuple[str, str, Optional[str]]], - delete : bool = False - ) -> List[Union[bool, Exception]]: - # Configuration is done atomically on each device, all OK / all KO per device - results_per_device = dict() - for device_name,json_config_rules in config_rules_per_device.items(): - try: - device_obj = self.__composer.get_device(device_name).objekt - if len(json_config_rules) == 0: continue - del device_obj.device_config.config_rules[:] - for json_config_rule in json_config_rules: - device_obj.device_config.config_rules.append(ConfigRule(**json_config_rule)) - self.__task_executor.configure_device(device_obj) - results_per_device[device_name] = True - except Exception as e: # pylint: disable=broad-exception-caught - verb = 'deconfigure' if delete else 'configure' - MSG = 'Unable to {:s} Device({:s}) : ConfigRules({:s})' - LOGGER.exception(MSG.format(verb, str(device_name), str(json_config_rules))) - results_per_device[device_name] = e + def _compose_osu_tunnel( + self, osu_tunnel_name : str, + src_endpoint_details : Tuple[Device, EndPoint, Dict], + dst_endpoint_details : Tuple[Device, EndPoint, Dict], + is_delete : bool = False + ) -> ConfigRule: + osu_tunnel_resource_key = '/osu_tunnels/osu_tunnel[{:s}]'.format(osu_tunnel_name) + osu_tunnel_resource_value = {'name' : osu_tunnel_name} + if is_delete: + osu_tunnel_config_rule = json_config_rule_delete(osu_tunnel_resource_key, osu_tunnel_resource_value) + else: + src_device_obj, src_endpoint_obj, _ = src_endpoint_details + dst_device_obj, dst_endpoint_obj, _ = dst_endpoint_details - results = [] - for endpoint in endpoints: - device_uuid, endpoint_uuid = get_device_endpoint_uuids(endpoint) - device_name = self.__endpoint_map[(device_uuid, endpoint_uuid)] - results.append(results_per_device[device_name]) - return results + osu_tunnel_settings = OSU_TUNNEL_SETTINGS[osu_tunnel_name] + ttp_channel_names = osu_tunnel_settings['ttp_channel_names'] + src_ttp_channel_name = ttp_channel_names[(src_device_obj.name, src_endpoint_obj.name)] + dst_ttp_channel_name = ttp_channel_names[(dst_device_obj.name, dst_endpoint_obj.name)] + + osu_tunnel_resource_value.update({ + 'odu_type' : osu_tunnel_settings['odu_type'], + 'osuflex_number' : osu_tunnel_settings['osuflex_number'], + 'bidirectional' : osu_tunnel_settings['bidirectional'], + 'delay' : osu_tunnel_settings['delay'], + 'src_node_id' : src_device_obj.name, + 'src_tp_id' : src_endpoint_obj.name, + 'src_ttp_channel_name': src_ttp_channel_name, + 'dst_node_id' : dst_device_obj.name, + 'dst_tp_id' : dst_endpoint_obj.name, + 'dst_ttp_channel_name': dst_ttp_channel_name, + }) + osu_tunnel_config_rule = json_config_rule_set(osu_tunnel_resource_key, osu_tunnel_resource_value) + LOGGER.debug('osu_tunnel_config_rule = {:s}'.format(str(osu_tunnel_config_rule))) + return ConfigRule(**osu_tunnel_config_rule) + + def _compose_static_routing( + self, src_vlan_tag : int, dst_vlan_tag : int + ) -> Tuple[List[Dict], List[Dict]]: + static_routing = self.__settings_handler.get('/static_routing') + if static_routing is None: raise Exception('static_routing not found') + static_routing_dict : Dict = static_routing.value + src_static_routes = list() + dst_static_routes = list() + for _, static_route in static_routing_dict.items(): + vlan_id = static_route['vlan-id'] + ipn_cidr = netaddr.IPNetwork(static_route['ip-network']) + ipn_network = str(ipn_cidr.network) + ipn_preflen = int(ipn_cidr.prefixlen) + next_hop = static_route['next-hop'] + if vlan_id == src_vlan_tag: + src_static_routes.append([ipn_network, ipn_preflen, next_hop]) + elif vlan_id == dst_vlan_tag: + dst_static_routes.append([ipn_network, ipn_preflen, next_hop]) + return src_static_routes, dst_static_routes + + def _compose_etht_service( + self, etht_service_name : str, osu_tunnel_name : str, + src_endpoint_details : Tuple[Device, EndPoint, Dict], + dst_endpoint_details : Tuple[Device, EndPoint, Dict], + is_delete : bool = False + ) -> ConfigRule: + etht_service_resource_key = '/etht_services/etht_service[{:s}]'.format(etht_service_name) + etht_service_resource_value = {'name' : etht_service_name} + if is_delete: + etht_service_config_rule = json_config_rule_delete(etht_service_resource_key, etht_service_resource_value) + else: + src_device_obj, src_endpoint_obj, src_endpoint_details = src_endpoint_details + src_vlan_tag = src_endpoint_details['vlan_tag'] + dst_device_obj, dst_endpoint_obj, dst_endpoint_details = dst_endpoint_details + dst_vlan_tag = dst_endpoint_details['vlan_tag'] + src_static_routes, dst_static_routes = self._compose_static_routing(src_vlan_tag, dst_vlan_tag) + etht_service_resource_value.update({ + 'osu_tunnel_name' : osu_tunnel_name, + 'service_type' : ETHT_SERVICE_SETTINGS[etht_service_name]['service_type'], + 'src_node_id' : src_device_obj.name, + 'src_tp_id' : src_endpoint_obj.name, + 'src_vlan_tag' : src_vlan_tag, + 'src_static_routes': src_static_routes, + 'dst_node_id' : dst_device_obj.name, + 'dst_tp_id' : dst_endpoint_obj.name, + 'dst_vlan_tag' : dst_vlan_tag, + 'dst_static_routes': dst_static_routes, + }) + etht_service_config_rule = json_config_rule_set(etht_service_resource_key, etht_service_resource_value) + LOGGER.debug('etht_service_config_rule = {:s}'.format(str(etht_service_config_rule))) + return ConfigRule(**etht_service_config_rule) @metered_subclass_method(METRICS_POOL) def SetEndpoint( self, endpoints : List[Tuple[str, str, Optional[str]]], connection_uuid : Optional[str] = None ) -> List[Union[bool, Exception]]: + LOGGER.debug('endpoints = {:s}'.format(str(endpoints))) chk_type('endpoints', endpoints, list) - if len(endpoints) == 0: return [] + if len(endpoints) < 2: + LOGGER.warning('nothing done: not enough endpoints') + return [] service_uuid = self.__service.service_id.service_uuid.uuid - #settings = self.__settings_handler.get('/settings') - self._compose_config_rules(endpoints) - network_instance_name = service_uuid.split('-')[0] - config_rules_per_device = self.__composer.get_config_rules(network_instance_name, delete=False) - results = self._do_configurations(config_rules_per_device, endpoints) + LOGGER.debug('service_uuid = {:s}'.format(str(service_uuid))) + LOGGER.debug('self.__settings_handler = {:s}'.format(str(self.__settings_handler.dump_config_rules()))) + + results = [] + try: + src_endpoint_details = self._get_endpoint_details(endpoints[0]) + src_device_obj, _, _ = src_endpoint_details + src_controller = self.__task_executor.get_device_controller(src_device_obj) + if src_controller is None: src_controller = src_device_obj + + dst_endpoint_details = self._get_endpoint_details(endpoints[-1]) + dst_device_obj, _, _ = dst_endpoint_details + dst_controller = self.__task_executor.get_device_controller(dst_device_obj) + if dst_controller is None: dst_controller = dst_device_obj + + if src_controller.device_id.device_uuid.uuid != dst_controller.device_id.device_uuid.uuid: + raise Exception('Different Src-Dst devices not supported by now') + controller = src_controller + + osu_tunnel_name, etht_service_name = self._get_service_names( + src_endpoint_details, dst_endpoint_details + ) + + osu_tunnel_config_rule = self._compose_osu_tunnel( + osu_tunnel_name, src_endpoint_details, dst_endpoint_details, + is_delete=False + ) + + etht_service_config_rule = self._compose_etht_service( + etht_service_name, osu_tunnel_name, src_endpoint_details, + dst_endpoint_details, is_delete=False + ) + + del controller.device_config.config_rules[:] + controller.device_config.config_rules.append(osu_tunnel_config_rule) + controller.device_config.config_rules.append(etht_service_config_rule) + self.__task_executor.configure_device(controller) + results.append(True) + except Exception as e: # pylint: disable=broad-except + LOGGER.exception('Unable to SetEndpoint for Service({:s})'.format(str(service_uuid))) + results.append(e) + + LOGGER.debug('results = {:s}'.format(str(results))) return results @metered_subclass_method(METRICS_POOL) def DeleteEndpoint( self, endpoints : List[Tuple[str, str, Optional[str]]], connection_uuid : Optional[str] = None ) -> List[Union[bool, Exception]]: + LOGGER.debug('endpoints = {:s}'.format(str(endpoints))) chk_type('endpoints', endpoints, list) - if len(endpoints) == 0: return [] + if len(endpoints) < 2: + LOGGER.warning('nothing done: not enough endpoints') + return [] service_uuid = self.__service.service_id.service_uuid.uuid - #settings = self.__settings_handler.get('/settings') - self._compose_config_rules(endpoints) - network_instance_name = service_uuid.split('-')[0] - config_rules_per_device = self.__composer.get_config_rules(network_instance_name, delete=True) - results = self._do_configurations(config_rules_per_device, endpoints, delete=True) + LOGGER.debug('service_uuid = {:s}'.format(str(service_uuid))) + LOGGER.debug('self.__settings_handler = {:s}'.format(str(self.__settings_handler.dump_config_rules()))) + + results = [] + try: + src_endpoint_details = self._get_endpoint_details(endpoints[0]) + src_device_obj, _, _ = src_endpoint_details + src_controller = self.__task_executor.get_device_controller(src_device_obj) + if src_controller is None: src_controller = src_device_obj + + dst_endpoint_details = self._get_endpoint_details(endpoints[-1]) + dst_device_obj, _, _ = dst_endpoint_details + dst_controller = self.__task_executor.get_device_controller(dst_device_obj) + if dst_controller is None: dst_controller = dst_device_obj + + if src_controller.device_id.device_uuid.uuid != dst_controller.device_id.device_uuid.uuid: + raise Exception('Different Src-Dst devices not supported by now') + controller = src_controller + + osu_tunnel_name, etht_service_name = self._get_service_names( + src_endpoint_details, dst_endpoint_details + ) + + osu_tunnel_config_rule = self._compose_osu_tunnel( + osu_tunnel_name, src_endpoint_details, dst_endpoint_details, + is_delete=True + ) + + etht_service_config_rule = self._compose_etht_service( + etht_service_name, osu_tunnel_name, src_endpoint_details, + dst_endpoint_details, is_delete=True + ) + + del controller.device_config.config_rules[:] + controller.device_config.config_rules.append(osu_tunnel_config_rule) + controller.device_config.config_rules.append(etht_service_config_rule) + self.__task_executor.configure_device(controller) + results.append(True) + except Exception as e: # pylint: disable=broad-except + LOGGER.exception('Unable to DeleteEndpoint for Service({:s})'.format(str(service_uuid))) + results.append(e) + + LOGGER.debug('results = {:s}'.format(str(results))) return results @metered_subclass_method(METRICS_POOL)