Loading src/device/service/drivers/ietf_slice/Constants.py 0 → 100644 +25 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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 device.service.driver_api._Driver import ( RESOURCE_ENDPOINTS, RESOURCE_INTERFACES, RESOURCE_NETWORK_INSTANCES, ) SPECIAL_RESOURCE_MAPPINGS = { RESOURCE_ENDPOINTS: "/endpoints", RESOURCE_INTERFACES: "/interfaces", RESOURCE_NETWORK_INSTANCES: "/net-instances", } src/device/service/drivers/ietf_slice/TfsApiClient.py 0 → 100644 +172 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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. import logging from typing import Dict, List, Optional import requests from requests.auth import HTTPBasicAuth from device.service.driver_api.ImportTopologyEnum import ImportTopologyEnum GET_DEVICES_URL = "{:s}://{:s}:{:d}/tfs-api/devices" GET_LINKS_URL = "{:s}://{:s}:{:d}/tfs-api/links" IETF_SLICE_URL = "{:s}://{:s}:{:d}/restconf/data/ietf-network-slice-service:ietf-nss" TIMEOUT = 30 HTTP_OK_CODES = { 200, # OK 201, # Created 202, # Accepted 204, # No Content } MAPPING_STATUS = { "DEVICEOPERATIONALSTATUS_UNDEFINED": 0, "DEVICEOPERATIONALSTATUS_DISABLED": 1, "DEVICEOPERATIONALSTATUS_ENABLED": 2, } MAPPING_DRIVER = { "DEVICEDRIVER_UNDEFINED": 0, "DEVICEDRIVER_OPENCONFIG": 1, "DEVICEDRIVER_TRANSPORT_API": 2, "DEVICEDRIVER_P4": 3, "DEVICEDRIVER_IETF_NETWORK_TOPOLOGY": 4, "DEVICEDRIVER_ONF_TR_532": 5, "DEVICEDRIVER_XR": 6, "DEVICEDRIVER_IETF_L2VPN": 7, "DEVICEDRIVER_GNMI_OPENCONFIG": 8, "DEVICEDRIVER_OPTICAL_TFS": 9, "DEVICEDRIVER_IETF_ACTN": 10, "DEVICEDRIVER_OC": 11, } MSG_ERROR = "Could not retrieve devices in remote TeraFlowSDN instance({:s}). status_code={:s} reply={:s}" LOGGER = logging.getLogger(__name__) class TfsApiClient: def __init__( self, address: str, port: int, scheme: str = "http", username: Optional[str] = None, password: Optional[str] = None, ) -> None: self._devices_url = GET_DEVICES_URL.format(scheme, address, port) self._links_url = GET_LINKS_URL.format(scheme, address, port) self._slice_url = IETF_SLICE_URL.format(scheme, address, port) self._auth = None # ( # HTTPBasicAuth(username, password) # if username is not None and password is not None # else None # ) # def get_devices_endpoints( # self, import_topology: ImportTopologyEnum = ImportTopologyEnum.DEVICES # ) -> List[Dict]: # LOGGER.debug("[get_devices_endpoints] begin") # LOGGER.debug( # "[get_devices_endpoints] import_topology={:s}".format(str(import_topology)) # ) # reply = requests.get(self._devices_url, timeout=TIMEOUT, auth=self._auth) # if reply.status_code not in HTTP_OK_CODES: # msg = MSG_ERROR.format( # str(self._devices_url), str(reply.status_code), str(reply) # ) # LOGGER.error(msg) # raise Exception(msg) # if import_topology == ImportTopologyEnum.DISABLED: # raise Exception( # "Unsupported import_topology mode: {:s}".format(str(import_topology)) # ) # result = list() # for json_device in reply.json()["devices"]: # device_uuid: str = json_device["device_id"]["device_uuid"]["uuid"] # device_type: str = json_device["device_type"] # device_status = json_device["device_operational_status"] # device_url = "/devices/device[{:s}]".format(device_uuid) # device_data = { # "uuid": json_device["device_id"]["device_uuid"]["uuid"], # "name": json_device["name"], # "type": device_type, # "status": MAPPING_STATUS[device_status], # "drivers": [ # MAPPING_DRIVER[driver] for driver in json_device["device_drivers"] # ], # } # result.append((device_url, device_data)) # for json_endpoint in json_device["device_endpoints"]: # endpoint_uuid = json_endpoint["endpoint_id"]["endpoint_uuid"]["uuid"] # endpoint_url = "/endpoints/endpoint[{:s}]".format(endpoint_uuid) # endpoint_data = { # "device_uuid": device_uuid, # "uuid": endpoint_uuid, # "name": json_endpoint["name"], # "type": json_endpoint["endpoint_type"], # } # result.append((endpoint_url, endpoint_data)) # if import_topology == ImportTopologyEnum.DEVICES: # LOGGER.debug("[get_devices_endpoints] devices only; returning") # return result # reply = requests.get(self._links_url, timeout=TIMEOUT, auth=self._auth) # if reply.status_code not in HTTP_OK_CODES: # msg = MSG_ERROR.format( # str(self._links_url), str(reply.status_code), str(reply) # ) # LOGGER.error(msg) # raise Exception(msg) # for json_link in reply.json()["links"]: # link_uuid: str = json_link["link_id"]["link_uuid"]["uuid"] # link_url = "/links/link[{:s}]".format(link_uuid) # link_endpoint_ids = [ # ( # json_endpoint_id["device_id"]["device_uuid"]["uuid"], # json_endpoint_id["endpoint_uuid"]["uuid"], # ) # for json_endpoint_id in json_link["link_endpoint_ids"] # ] # link_data = { # "uuid": json_link["link_id"]["link_uuid"]["uuid"], # "name": json_link["name"], # "endpoints": link_endpoint_ids, # } # result.append((link_url, link_data)) # LOGGER.debug("[get_devices_endpoints] topology; returning") # # return resu def create_slice(self, slice_data: dict) -> None: try: requests.post(self._slice_url, json=slice_data) except requests.exceptions.ConnectionError: raise Exception("faild to send post request to TFS L3VPN NBI") def delete_slice(self, slice_uuid: str) -> None: url = self.__url + f"/vpn-service={slice_uuid}" try: requests.delete(url, auth=self._auth) except requests.exceptions.ConnectionError: raise Exception("faild to send delete request to TFS L3VPN NBI") src/device/service/drivers/ietf_slice/Tools.py 0 → 100644 +340 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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. import logging from typing import Any, Dict, Optional, Tuple, TypedDict import requests from common.proto.kpi_sample_types_pb2 import KpiSampleType from common.type_checkers.Checkers import chk_attribute, chk_string, chk_type from device.service.driver_api._Driver import RESOURCE_ENDPOINTS from .Constants import SPECIAL_RESOURCE_MAPPINGS LOGGER = logging.getLogger(__name__) def service_exists(wim_url: str, auth, service_uuid: str) -> bool: try: get_connectivity_service(wim_url, auth, service_uuid) return True except: # pylint: disable=bare-except return False def get_all_active_connectivity_services(wim_url: str, auth): try: LOGGER.info("Sending get all connectivity services") servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services" response = requests.get(servicepoint, auth=auth) if response.status_code != requests.codes.ok: raise Exception( "Unable to get all connectivity services", http_code=response.status_code, ) return response except requests.exceptions.ConnectionError: raise Exception("Request Timeout", http_code=408) def get_connectivity_service(wim_url, auth, service_uuid): try: LOGGER.info("Sending get connectivity service") servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services/vpn-service={service_uuid}" response = requests.get(servicepoint) if response.status_code != requests.codes.ok: raise Exception( "Unable to get connectivity service{:s}".format(str(service_uuid)), http_code=response.status_code, ) return response except requests.exceptions.ConnectionError: raise Exception("Request Timeout", http_code=408) def create_slice_datamodel(resource_value: dict) -> dict: src_node_id: str = resource_value["src_node_id"] src_mgmt_ip_address: str = resource_value["src_mgmt_ip_address"] src_ac_node_id: str = resource_value["src_ac_node_id"] src_ac_ep_id: str = resource_value["src_ac_ep_id"] src_vlan: str = resource_value["src_vlan"] dst_node_id: str = resource_value["dst_node_id"] dst_mgmt_ip_address: str = resource_value["dst_mgmt_ip_address"] dst_ac_node_id: str = resource_value["dst_ac_node_id"] dst_ac_ep_id: str = resource_value["dst_ac_ep_id"] dst_vlan: str = resource_value["dst_vlan"] slice_id: str = resource_value["slice_id"] delay: str = resource_value["delay"] bandwidth: str = resource_value["bandwidth"] packet_loss: str = resource_value["packet_loss"] sdps = [ { "id": "1", "node-id": src_node_id, "sdp-ip-address": [src_mgmt_ip_address], "service-match-criteria": { "match-criterion": [ { "index": 1, "match-type": [ { "type": "ietf-network-slice-service:vlan", "value": [src_vlan], }, ], "target-connection-group-id": "line1", } ] }, "attachment-circuits": { "attachment-circuit": [ { "id": "0", "description": "dsc", "ac-node-id": src_ac_node_id, "ac-tp-id": src_ac_ep_id, } ] }, }, { "id": "2", "node-id": dst_node_id, "sdp-ip-address": [dst_mgmt_ip_address], "service-match-criteria": { "match-criterion": [ { "index": 1, "match-type": [ { "type": "ietf-network-slice-service:vlan", "value": [dst_vlan], }, ], "target-connection-group-id": "line1", } ] }, "attachment-circuits": { "attachment-circuit": [ { "id": "0", "description": "dsc", "ac-node-id": dst_ac_node_id, "ac-tp-id": dst_ac_ep_id, } ] }, }, ] connection_groups = [ { "id": "line1", "connectivity-type": "point-to-point", "connectivity-construct": [ { "id": 1, "p2mp-sender-sdp": "1", "p2mp-receiver-sdp": ["2"], "service-slo-sle-policy": { "slo-policy": { "metric-bound": [ { "metric-type": "ietf-network-slice-service:one-way-delay-maximum", "metric-unit": "milliseconds", "bound": delay, }, { "metric-type": "ietf-network-slice-service:one-way-bandwidth", "metric-unit": "Mbps", "bound": bandwidth, }, { "metric-type": "ietf-network-slice-service:two-way-packet-loss", "metric-unit": "percentage", "percentile-value": packet_loss, }, ] } }, }, { "id": 2, "p2mp-sender-sdp": "2", "p2mp-receiver-sdp": ["1"], "service-slo-sle-policy": { "slo-policy": { "metric-bound": [ { "metric-type": "ietf-network-slice-service:one-way-delay-maximum", "metric-unit": "milliseconds", "bound": delay, }, { "metric-type": "ietf-network-slice-service:one-way-bandwidth", "metric-unit": "Mbps", "bound": bandwidth, }, { "metric-type": "ietf-network-slice-service:two-way-packet-loss", "metric-unit": "percentage", "percentile-value": packet_loss, }, ] } }, }, ], } ] slice_service = { "id": slice_id, "description": "dsc", "sdps": {"sdp": sdps}, "connection-groups": {"connection-group": connection_groups}, } slice_data_model = {"network-slice-services": {"slice-service": [slice_service]}} return slice_data_model def process_optional_string_field( endpoint_data: Dict[str, Any], field_name: str, endpoint_resource_value: Dict[str, Any], ) -> None: field_value = chk_attribute( field_name, endpoint_data, "endpoint_data", default=None ) if field_value is None: return chk_string("endpoint_data.{:s}".format(field_name), field_value) if len(field_value) > 0: endpoint_resource_value[field_name] = field_value def compose_resource_endpoint( endpoint_data: Dict[str, Any], ) -> Optional[Tuple[str, Dict]]: try: # Check type of endpoint_data chk_type("endpoint_data", endpoint_data, dict) # Check endpoint UUID (mandatory) endpoint_uuid = chk_attribute("uuid", endpoint_data, "endpoint_data") chk_string("endpoint_data.uuid", endpoint_uuid, min_length=1) endpoint_resource_path = SPECIAL_RESOURCE_MAPPINGS.get(RESOURCE_ENDPOINTS) endpoint_resource_key = "{:s}/endpoint[{:s}]".format( endpoint_resource_path, endpoint_uuid ) endpoint_resource_value = {"uuid": endpoint_uuid} # Check endpoint optional string fields process_optional_string_field(endpoint_data, "name", endpoint_resource_value) process_optional_string_field( endpoint_data, "site_location", endpoint_resource_value ) process_optional_string_field(endpoint_data, "ce-ip", endpoint_resource_value) process_optional_string_field( endpoint_data, "address_ip", endpoint_resource_value ) process_optional_string_field( endpoint_data, "address_prefix", endpoint_resource_value ) process_optional_string_field(endpoint_data, "mtu", endpoint_resource_value) process_optional_string_field( endpoint_data, "ipv4_lan_prefixes", endpoint_resource_value ) process_optional_string_field(endpoint_data, "type", endpoint_resource_value) process_optional_string_field( endpoint_data, "context_uuid", endpoint_resource_value ) process_optional_string_field( endpoint_data, "topology_uuid", endpoint_resource_value ) # Check endpoint sample types (optional) endpoint_sample_types = chk_attribute( "sample_types", endpoint_data, "endpoint_data", default=[] ) chk_type("endpoint_data.sample_types", endpoint_sample_types, list) sample_types = {} sample_type_errors = [] for i, endpoint_sample_type in enumerate(endpoint_sample_types): field_name = "endpoint_data.sample_types[{:d}]".format(i) try: chk_type(field_name, endpoint_sample_type, (int, str)) if isinstance(endpoint_sample_type, int): metric_name = KpiSampleType.Name(endpoint_sample_type) metric_id = endpoint_sample_type elif isinstance(endpoint_sample_type, str): metric_id = KpiSampleType.Value(endpoint_sample_type) metric_name = endpoint_sample_type else: str_type = str(type(endpoint_sample_type)) raise Exception("Bad format: {:s}".format(str_type)) # pylint: disable=broad-exception-raised except Exception as e: # pylint: disable=broad-exception-caught MSG = "Unsupported {:s}({:s}) : {:s}" sample_type_errors.append( MSG.format(field_name, str(endpoint_sample_type), str(e)) ) metric_name = metric_name.lower().replace("kpisampletype_", "") monitoring_resource_key = "{:s}/state/{:s}".format( endpoint_resource_key, metric_name ) sample_types[metric_id] = monitoring_resource_key if len(sample_type_errors) > 0: # pylint: disable=broad-exception-raised raise Exception( "Malformed Sample Types:\n{:s}".format("\n".join(sample_type_errors)) ) if len(sample_types) > 0: endpoint_resource_value["sample_types"] = sample_types if "site_location" in endpoint_data: endpoint_resource_value["site_location"] = endpoint_data["site_location"] if "ce-ip" in endpoint_data: endpoint_resource_value["ce-ip"] = endpoint_data["ce-ip"] if "address_ip" in endpoint_data: endpoint_resource_value["address_ip"] = endpoint_data["address_ip"] if "address_prefix" in endpoint_data: endpoint_resource_value["address_prefix"] = endpoint_data["address_prefix"] if "mtu" in endpoint_data: endpoint_resource_value["mtu"] = endpoint_data["mtu"] if "ipv4_lan_prefixes" in endpoint_data: endpoint_resource_value["ipv4_lan_prefixes"] = endpoint_data[ "ipv4_lan_prefixes" ] return endpoint_resource_key, endpoint_resource_value except: # pylint: disable=bare-except LOGGER.exception("Problem composing endpoint({:s})".format(str(endpoint_data))) return None src/device/service/drivers/ietf_slice/__init__.py 0 → 100644 +13 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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. src/device/service/drivers/ietf_slice/driver.py 0 → 100644 +307 −0 File added.Preview size limit exceeded, changes collapsed. Show changes Loading
src/device/service/drivers/ietf_slice/Constants.py 0 → 100644 +25 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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 device.service.driver_api._Driver import ( RESOURCE_ENDPOINTS, RESOURCE_INTERFACES, RESOURCE_NETWORK_INSTANCES, ) SPECIAL_RESOURCE_MAPPINGS = { RESOURCE_ENDPOINTS: "/endpoints", RESOURCE_INTERFACES: "/interfaces", RESOURCE_NETWORK_INSTANCES: "/net-instances", }
src/device/service/drivers/ietf_slice/TfsApiClient.py 0 → 100644 +172 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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. import logging from typing import Dict, List, Optional import requests from requests.auth import HTTPBasicAuth from device.service.driver_api.ImportTopologyEnum import ImportTopologyEnum GET_DEVICES_URL = "{:s}://{:s}:{:d}/tfs-api/devices" GET_LINKS_URL = "{:s}://{:s}:{:d}/tfs-api/links" IETF_SLICE_URL = "{:s}://{:s}:{:d}/restconf/data/ietf-network-slice-service:ietf-nss" TIMEOUT = 30 HTTP_OK_CODES = { 200, # OK 201, # Created 202, # Accepted 204, # No Content } MAPPING_STATUS = { "DEVICEOPERATIONALSTATUS_UNDEFINED": 0, "DEVICEOPERATIONALSTATUS_DISABLED": 1, "DEVICEOPERATIONALSTATUS_ENABLED": 2, } MAPPING_DRIVER = { "DEVICEDRIVER_UNDEFINED": 0, "DEVICEDRIVER_OPENCONFIG": 1, "DEVICEDRIVER_TRANSPORT_API": 2, "DEVICEDRIVER_P4": 3, "DEVICEDRIVER_IETF_NETWORK_TOPOLOGY": 4, "DEVICEDRIVER_ONF_TR_532": 5, "DEVICEDRIVER_XR": 6, "DEVICEDRIVER_IETF_L2VPN": 7, "DEVICEDRIVER_GNMI_OPENCONFIG": 8, "DEVICEDRIVER_OPTICAL_TFS": 9, "DEVICEDRIVER_IETF_ACTN": 10, "DEVICEDRIVER_OC": 11, } MSG_ERROR = "Could not retrieve devices in remote TeraFlowSDN instance({:s}). status_code={:s} reply={:s}" LOGGER = logging.getLogger(__name__) class TfsApiClient: def __init__( self, address: str, port: int, scheme: str = "http", username: Optional[str] = None, password: Optional[str] = None, ) -> None: self._devices_url = GET_DEVICES_URL.format(scheme, address, port) self._links_url = GET_LINKS_URL.format(scheme, address, port) self._slice_url = IETF_SLICE_URL.format(scheme, address, port) self._auth = None # ( # HTTPBasicAuth(username, password) # if username is not None and password is not None # else None # ) # def get_devices_endpoints( # self, import_topology: ImportTopologyEnum = ImportTopologyEnum.DEVICES # ) -> List[Dict]: # LOGGER.debug("[get_devices_endpoints] begin") # LOGGER.debug( # "[get_devices_endpoints] import_topology={:s}".format(str(import_topology)) # ) # reply = requests.get(self._devices_url, timeout=TIMEOUT, auth=self._auth) # if reply.status_code not in HTTP_OK_CODES: # msg = MSG_ERROR.format( # str(self._devices_url), str(reply.status_code), str(reply) # ) # LOGGER.error(msg) # raise Exception(msg) # if import_topology == ImportTopologyEnum.DISABLED: # raise Exception( # "Unsupported import_topology mode: {:s}".format(str(import_topology)) # ) # result = list() # for json_device in reply.json()["devices"]: # device_uuid: str = json_device["device_id"]["device_uuid"]["uuid"] # device_type: str = json_device["device_type"] # device_status = json_device["device_operational_status"] # device_url = "/devices/device[{:s}]".format(device_uuid) # device_data = { # "uuid": json_device["device_id"]["device_uuid"]["uuid"], # "name": json_device["name"], # "type": device_type, # "status": MAPPING_STATUS[device_status], # "drivers": [ # MAPPING_DRIVER[driver] for driver in json_device["device_drivers"] # ], # } # result.append((device_url, device_data)) # for json_endpoint in json_device["device_endpoints"]: # endpoint_uuid = json_endpoint["endpoint_id"]["endpoint_uuid"]["uuid"] # endpoint_url = "/endpoints/endpoint[{:s}]".format(endpoint_uuid) # endpoint_data = { # "device_uuid": device_uuid, # "uuid": endpoint_uuid, # "name": json_endpoint["name"], # "type": json_endpoint["endpoint_type"], # } # result.append((endpoint_url, endpoint_data)) # if import_topology == ImportTopologyEnum.DEVICES: # LOGGER.debug("[get_devices_endpoints] devices only; returning") # return result # reply = requests.get(self._links_url, timeout=TIMEOUT, auth=self._auth) # if reply.status_code not in HTTP_OK_CODES: # msg = MSG_ERROR.format( # str(self._links_url), str(reply.status_code), str(reply) # ) # LOGGER.error(msg) # raise Exception(msg) # for json_link in reply.json()["links"]: # link_uuid: str = json_link["link_id"]["link_uuid"]["uuid"] # link_url = "/links/link[{:s}]".format(link_uuid) # link_endpoint_ids = [ # ( # json_endpoint_id["device_id"]["device_uuid"]["uuid"], # json_endpoint_id["endpoint_uuid"]["uuid"], # ) # for json_endpoint_id in json_link["link_endpoint_ids"] # ] # link_data = { # "uuid": json_link["link_id"]["link_uuid"]["uuid"], # "name": json_link["name"], # "endpoints": link_endpoint_ids, # } # result.append((link_url, link_data)) # LOGGER.debug("[get_devices_endpoints] topology; returning") # # return resu def create_slice(self, slice_data: dict) -> None: try: requests.post(self._slice_url, json=slice_data) except requests.exceptions.ConnectionError: raise Exception("faild to send post request to TFS L3VPN NBI") def delete_slice(self, slice_uuid: str) -> None: url = self.__url + f"/vpn-service={slice_uuid}" try: requests.delete(url, auth=self._auth) except requests.exceptions.ConnectionError: raise Exception("faild to send delete request to TFS L3VPN NBI")
src/device/service/drivers/ietf_slice/Tools.py 0 → 100644 +340 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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. import logging from typing import Any, Dict, Optional, Tuple, TypedDict import requests from common.proto.kpi_sample_types_pb2 import KpiSampleType from common.type_checkers.Checkers import chk_attribute, chk_string, chk_type from device.service.driver_api._Driver import RESOURCE_ENDPOINTS from .Constants import SPECIAL_RESOURCE_MAPPINGS LOGGER = logging.getLogger(__name__) def service_exists(wim_url: str, auth, service_uuid: str) -> bool: try: get_connectivity_service(wim_url, auth, service_uuid) return True except: # pylint: disable=bare-except return False def get_all_active_connectivity_services(wim_url: str, auth): try: LOGGER.info("Sending get all connectivity services") servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services" response = requests.get(servicepoint, auth=auth) if response.status_code != requests.codes.ok: raise Exception( "Unable to get all connectivity services", http_code=response.status_code, ) return response except requests.exceptions.ConnectionError: raise Exception("Request Timeout", http_code=408) def get_connectivity_service(wim_url, auth, service_uuid): try: LOGGER.info("Sending get connectivity service") servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services/vpn-service={service_uuid}" response = requests.get(servicepoint) if response.status_code != requests.codes.ok: raise Exception( "Unable to get connectivity service{:s}".format(str(service_uuid)), http_code=response.status_code, ) return response except requests.exceptions.ConnectionError: raise Exception("Request Timeout", http_code=408) def create_slice_datamodel(resource_value: dict) -> dict: src_node_id: str = resource_value["src_node_id"] src_mgmt_ip_address: str = resource_value["src_mgmt_ip_address"] src_ac_node_id: str = resource_value["src_ac_node_id"] src_ac_ep_id: str = resource_value["src_ac_ep_id"] src_vlan: str = resource_value["src_vlan"] dst_node_id: str = resource_value["dst_node_id"] dst_mgmt_ip_address: str = resource_value["dst_mgmt_ip_address"] dst_ac_node_id: str = resource_value["dst_ac_node_id"] dst_ac_ep_id: str = resource_value["dst_ac_ep_id"] dst_vlan: str = resource_value["dst_vlan"] slice_id: str = resource_value["slice_id"] delay: str = resource_value["delay"] bandwidth: str = resource_value["bandwidth"] packet_loss: str = resource_value["packet_loss"] sdps = [ { "id": "1", "node-id": src_node_id, "sdp-ip-address": [src_mgmt_ip_address], "service-match-criteria": { "match-criterion": [ { "index": 1, "match-type": [ { "type": "ietf-network-slice-service:vlan", "value": [src_vlan], }, ], "target-connection-group-id": "line1", } ] }, "attachment-circuits": { "attachment-circuit": [ { "id": "0", "description": "dsc", "ac-node-id": src_ac_node_id, "ac-tp-id": src_ac_ep_id, } ] }, }, { "id": "2", "node-id": dst_node_id, "sdp-ip-address": [dst_mgmt_ip_address], "service-match-criteria": { "match-criterion": [ { "index": 1, "match-type": [ { "type": "ietf-network-slice-service:vlan", "value": [dst_vlan], }, ], "target-connection-group-id": "line1", } ] }, "attachment-circuits": { "attachment-circuit": [ { "id": "0", "description": "dsc", "ac-node-id": dst_ac_node_id, "ac-tp-id": dst_ac_ep_id, } ] }, }, ] connection_groups = [ { "id": "line1", "connectivity-type": "point-to-point", "connectivity-construct": [ { "id": 1, "p2mp-sender-sdp": "1", "p2mp-receiver-sdp": ["2"], "service-slo-sle-policy": { "slo-policy": { "metric-bound": [ { "metric-type": "ietf-network-slice-service:one-way-delay-maximum", "metric-unit": "milliseconds", "bound": delay, }, { "metric-type": "ietf-network-slice-service:one-way-bandwidth", "metric-unit": "Mbps", "bound": bandwidth, }, { "metric-type": "ietf-network-slice-service:two-way-packet-loss", "metric-unit": "percentage", "percentile-value": packet_loss, }, ] } }, }, { "id": 2, "p2mp-sender-sdp": "2", "p2mp-receiver-sdp": ["1"], "service-slo-sle-policy": { "slo-policy": { "metric-bound": [ { "metric-type": "ietf-network-slice-service:one-way-delay-maximum", "metric-unit": "milliseconds", "bound": delay, }, { "metric-type": "ietf-network-slice-service:one-way-bandwidth", "metric-unit": "Mbps", "bound": bandwidth, }, { "metric-type": "ietf-network-slice-service:two-way-packet-loss", "metric-unit": "percentage", "percentile-value": packet_loss, }, ] } }, }, ], } ] slice_service = { "id": slice_id, "description": "dsc", "sdps": {"sdp": sdps}, "connection-groups": {"connection-group": connection_groups}, } slice_data_model = {"network-slice-services": {"slice-service": [slice_service]}} return slice_data_model def process_optional_string_field( endpoint_data: Dict[str, Any], field_name: str, endpoint_resource_value: Dict[str, Any], ) -> None: field_value = chk_attribute( field_name, endpoint_data, "endpoint_data", default=None ) if field_value is None: return chk_string("endpoint_data.{:s}".format(field_name), field_value) if len(field_value) > 0: endpoint_resource_value[field_name] = field_value def compose_resource_endpoint( endpoint_data: Dict[str, Any], ) -> Optional[Tuple[str, Dict]]: try: # Check type of endpoint_data chk_type("endpoint_data", endpoint_data, dict) # Check endpoint UUID (mandatory) endpoint_uuid = chk_attribute("uuid", endpoint_data, "endpoint_data") chk_string("endpoint_data.uuid", endpoint_uuid, min_length=1) endpoint_resource_path = SPECIAL_RESOURCE_MAPPINGS.get(RESOURCE_ENDPOINTS) endpoint_resource_key = "{:s}/endpoint[{:s}]".format( endpoint_resource_path, endpoint_uuid ) endpoint_resource_value = {"uuid": endpoint_uuid} # Check endpoint optional string fields process_optional_string_field(endpoint_data, "name", endpoint_resource_value) process_optional_string_field( endpoint_data, "site_location", endpoint_resource_value ) process_optional_string_field(endpoint_data, "ce-ip", endpoint_resource_value) process_optional_string_field( endpoint_data, "address_ip", endpoint_resource_value ) process_optional_string_field( endpoint_data, "address_prefix", endpoint_resource_value ) process_optional_string_field(endpoint_data, "mtu", endpoint_resource_value) process_optional_string_field( endpoint_data, "ipv4_lan_prefixes", endpoint_resource_value ) process_optional_string_field(endpoint_data, "type", endpoint_resource_value) process_optional_string_field( endpoint_data, "context_uuid", endpoint_resource_value ) process_optional_string_field( endpoint_data, "topology_uuid", endpoint_resource_value ) # Check endpoint sample types (optional) endpoint_sample_types = chk_attribute( "sample_types", endpoint_data, "endpoint_data", default=[] ) chk_type("endpoint_data.sample_types", endpoint_sample_types, list) sample_types = {} sample_type_errors = [] for i, endpoint_sample_type in enumerate(endpoint_sample_types): field_name = "endpoint_data.sample_types[{:d}]".format(i) try: chk_type(field_name, endpoint_sample_type, (int, str)) if isinstance(endpoint_sample_type, int): metric_name = KpiSampleType.Name(endpoint_sample_type) metric_id = endpoint_sample_type elif isinstance(endpoint_sample_type, str): metric_id = KpiSampleType.Value(endpoint_sample_type) metric_name = endpoint_sample_type else: str_type = str(type(endpoint_sample_type)) raise Exception("Bad format: {:s}".format(str_type)) # pylint: disable=broad-exception-raised except Exception as e: # pylint: disable=broad-exception-caught MSG = "Unsupported {:s}({:s}) : {:s}" sample_type_errors.append( MSG.format(field_name, str(endpoint_sample_type), str(e)) ) metric_name = metric_name.lower().replace("kpisampletype_", "") monitoring_resource_key = "{:s}/state/{:s}".format( endpoint_resource_key, metric_name ) sample_types[metric_id] = monitoring_resource_key if len(sample_type_errors) > 0: # pylint: disable=broad-exception-raised raise Exception( "Malformed Sample Types:\n{:s}".format("\n".join(sample_type_errors)) ) if len(sample_types) > 0: endpoint_resource_value["sample_types"] = sample_types if "site_location" in endpoint_data: endpoint_resource_value["site_location"] = endpoint_data["site_location"] if "ce-ip" in endpoint_data: endpoint_resource_value["ce-ip"] = endpoint_data["ce-ip"] if "address_ip" in endpoint_data: endpoint_resource_value["address_ip"] = endpoint_data["address_ip"] if "address_prefix" in endpoint_data: endpoint_resource_value["address_prefix"] = endpoint_data["address_prefix"] if "mtu" in endpoint_data: endpoint_resource_value["mtu"] = endpoint_data["mtu"] if "ipv4_lan_prefixes" in endpoint_data: endpoint_resource_value["ipv4_lan_prefixes"] = endpoint_data[ "ipv4_lan_prefixes" ] return endpoint_resource_key, endpoint_resource_value except: # pylint: disable=bare-except LOGGER.exception("Problem composing endpoint({:s})".format(str(endpoint_data))) return None
src/device/service/drivers/ietf_slice/__init__.py 0 → 100644 +13 −0 Original line number Diff line number Diff line # Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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.
src/device/service/drivers/ietf_slice/driver.py 0 → 100644 +307 −0 File added.Preview size limit exceeded, changes collapsed. Show changes
