Commit 742c985d authored by jvelazquezm's avatar jvelazquezm
Browse files

Merge branch 'feat/1-challenge-1-nsc-tfs-integration' of... 

Merge branch 'feat/1-challenge-1-nsc-tfs-integration' of https://labs.etsi.org/rep/tfs/nsc into feat/1-challenge-1-nsc-tfs-integration
parents 6013c65d 0476ed4a

src/network_slice_controller.py

+33 −32
Original line number Diff line number Diff line
@@ -494,6 +494,7 @@ class NSController: 
                "setup_time": self.setup_time

            }

            # Add slice details to the response

            logging.info(self.answer)

            for subnet in self.answer:

                slice_info = {

                    "id": subnet,
@@ -824,7 +825,6 @@ class NSController: 
            logging.warning(f"Unsupported controller: {controller}. Defaulting to TFS L2VPN realization.")

            realizing_request = self.__tfs_l2vpn(ietf_intent)

        return realizing_request

    

    def __tfs_l2vpn(self, ietf_intent):

       """

       Translate slice intent into a TeraFlow service request.
@@ -847,26 +847,27 @@ class NSController: 
        # Hardcoded router endpoints

        # TODO (should be dynamically determined)

        origin_router_id = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][0]["attachment-circuits"]["attachment-circuit"][0]["sdp-peering"]["peer-sap-id"]

        origin_router_if = '0/0/0-GigabitEthernet0/0/0/0'

        origin_router_if = 'eth2'

        destination_router_id = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][1]["attachment-circuits"]["attachment-circuit"][0]["sdp-peering"]["peer-sap-id"]

        destination_router_if = '0/0/0-GigabitEthernet0/0/0/0'



       # Extract QoS Profile from intent

       QoSProfile = ietf_intent["ietf-network-slice-service:network-slice-services"]["slo-sle-templates"]["slo-sle-template"][0]["id"]



       vlan_value = 0

        

        # Load L2VPN service template

        self.__load_template(2, os.path.join(TEMPLATES_PATH, "L2-VPN_template_empty.json"))

        tfs_request = json.loads(str(self.__teraflow_template))["services"][0]



        # Generate unique service UUID

        tfs_request["service_id"]["service_uuid"]["uuid"] += "-" + str(int(datetime.now().timestamp() * 1e7))



        # Configure service endpoints

        for endpoint in tfs_request["service_endpoint_ids"]:

            endpoint["device_id"]["device_uuid"]["uuid"] = origin_router_id if endpoint is tfs_request["service_endpoint_ids"][0] else destination_router_id

            endpoint["endpoint_uuid"]["uuid"] = origin_router_if if endpoint is tfs_request["service_endpoint_ids"][0] else destination_router_if

       self.__load_template(2, os.path.join(TEMPLATES_PATH, "ietfL2VPN_template.json"))

       tfs_request = json.loads(str(self.__teraflow_template))

       full_id = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["id"]

       uuid_only = full_id.split("slice-service-")[-1]

       tfs_request["ietf-l2vpn-svc:vpn-service"][0]["vpn-id"] = uuid_only

       for site in tfs_request["ietf-l2vpn-svc:vpn-service"][0]["site"]:

           if site is tfs_request["ietf-l2vpn-svc:vpn-service"][0]["site"][0]:

               site["site-id"] = origin_router_id

               site["site-location"] = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][0]["node-id"]

               site["site-network-access"]["interface"]["ip-address"] = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][0]["sdp-ip-address"]

           else:

               site["site-id"] = destination_router_id

               site["site-location"] = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][1]["node-id"]

               site["site-network-access"]["interface"]["ip-address"] = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][1]["sdp-ip-address"]



        self.answer[self.subnet]["QoS Requirements"] = []

        # Add service constraints
@@ -992,7 +993,7 @@ class NSController: 
            dict: A TeraFlow service request for L3VPN configuration.

        """

        # Hardcoded router endpoints

        # TODO should be dynamically determined

        # TODO (should be dynamically determined)

        origin_router_id = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][0]["attachment-circuits"]["attachment-circuit"][0]["sdp-peering"]["peer-sap-id"]

        origin_router_if = '0/0/0-GigabitEthernet0/0/0/0'

        destination_router_id = ietf_intent["ietf-network-slice-service:network-slice-services"]["slice-service"][0]["sdps"]["sdp"][1]["attachment-circuits"]["attachment-circuit"][0]["sdp-peering"]["peer-sap-id"]