Merge branch 'feat/1-challenge-1-nsc-tfs-integration' into 'develop' (dde0bd8a) · Commits · TFS / nsc

src/Constants.py

+4 −2

Original line number	Diff line number	Diff line
		@@ -17,7 +17,7 @@
		import logging, os, json

		# Default logging level
		DEFAULT_LOGGING_LEVEL = logging.DEBUG
		DEFAULT_LOGGING_LEVEL = logging.INFO

		# Default port for NSC deployment
		NSC_PORT = 8081
		@@ -47,9 +47,11 @@ PCE_EXTERNAL = False

		# Controller Flags
		# If True, config is not sent to controllers
		DUMMY_MODE = True
		DUMMY_MODE = False
		# Teraflow IP
		TFS_IP = ips.get('TFS_IP')
		UPLOAD_TYPE = "NBI" # "WEBUI" or "NBI"
		NBI_L2_PATH = "restconf/data/ietf-l2vpn-svc:l2vpn-svc/vpn-services"
		# Flag to determine if additional L2VPN configuration support is required for deploying L2VPNs with path selection
		TFS_L2VPN_SUPPORT = False
		# IXIA NEII IP

src/helpers.py

+17 −1

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@ logging.basicConfig(
		#Teraflow
		class tfs_connector():

		def simple_post(self, tfs_ip, service):
		def webui_post(self, tfs_ip, service):
		user="admin"
		password="admin"
		token=""
		@@ -46,6 +46,22 @@ class tfs_connector():
		logging.debug("Http response: %s",response.text)
		return response

		def nbi_post(self, tfs_ip, service, path):
		token=""
		user="admin"
		password="admin"
		token=""
		session = requests.Session()
		session.auth = (user, password)
		url = f'http://{tfs_ip}/{path}'
		headers = {'Content-Type': 'application/json'}
		data = json.dumps(service)
		logging.debug("Posting to TFS NBI: %s",data)
		token={'csrf_token':token}
		response = session.post(url,headers=headers,data=data,timeout=60)
		logging.debug("Http response: %s",response.text)
		return response

		#CISCO
		class cisco_connector():
		def __init__(self, address, configs=None):

src/network_slice_controller.py

+7 −3

Original line number	Diff line number	Diff line
		@@ -17,7 +17,7 @@
		import json, time, os, logging, uuid, traceback, sys
		from datetime import datetime
		from src.helpers import tfs_connector, cisco_connector
		from src.Constants import DEFAULT_LOGGING_LEVEL, TFS_IP, TFS_L2VPN_SUPPORT, IXIA_IP, SRC_PATH, TEMPLATES_PATH, DUMMY_MODE, DUMP_TEMPLATES, PLANNER_ENABLED, NRP_ENABLED
		from src.Constants import DEFAULT_LOGGING_LEVEL, TFS_IP, TFS_L2VPN_SUPPORT, IXIA_IP, SRC_PATH, TEMPLATES_PATH, DUMMY_MODE, DUMP_TEMPLATES, PLANNER_ENABLED, NRP_ENABLED, UPLOAD_TYPE, NBI_L2_PATH
		from src.realizers.ixia.NEII_V4 import NEII_controller
		from src.planner.planner import Planner

		@@ -42,7 +42,7 @@ class NSController:
		- Slice Realization: Convert intents to specific network configurations (L2VPN, L3VPN)
		"""

		def __init__(self, controller_type = "TFS", tfs_ip=TFS_IP, ixia_ip =IXIA_IP, need_l2vpn_support=TFS_L2VPN_SUPPORT):
		def __init__(self, controller_type = "TFS", tfs_ip=TFS_IP, ixia_ip =IXIA_IP, need_l2vpn_support=TFS_L2VPN_SUPPORT, path=NBI_L2_PATH):
		"""
		Initialize the Network Slice Controller.

		@@ -61,6 +61,7 @@ class NSController:
		"""
		self.controller_type = controller_type
		self.tfs_ip = tfs_ip
		self.path = path
		self.answer = {}
		self.cool_answer = {}
		self.start_time = 0
		@@ -298,7 +299,10 @@ class NSController:
		# Optional: Upload template to Teraflow
		if not DUMMY_MODE:
		if self.controller_type == "TFS":
		response = tfs_connector().simple_post(self.tfs_ip, requests)
		if UPLOAD_TYPE == "WEBUI":
		response = tfs_connector().webui_post(self.tfs_ip, requests)
		elif UPLOAD_TYPE == "NBI":
		response = tfs_connector().nbi_post(self.tfs_ip, requests, self.path)

		if not response.ok:
		return self.__send_response(False, code=response.status_code, message=f"Teraflow upload failed. Response: {response.text}")

src/templates/ietfL2VPN_template.json

+31 −35

Original line number	Diff line number	Diff line
		{
		"l2vpn": {
		"vpn-services": {
		"vpn-service": [
		"ietf-l2vpn-svc:vpn-service": [
		{
		"vpn-id": 100,
		"name": "VPN_L2_Example",
		"vpn-type": "point-to-point",
		"vpn-id": "11327140-7361-41b3-aa45-e84a7fb40be9",
		"customer-name": "osm",
		"vpn-svc-type": "vpws",
		"svc-topo": "any-to-any",
		"site": [
		{
		"site-id": 1,
		"site-id": "1.1.1.1",
		"site-role": "hub",
		"site-location": "R4",
		"site-location": "CU-N2",
		"site-network-access": {
		"interface": {
		"ip-address": "4.4.4.4",
		"ip-address": "10.60.11.3",
		"encapsulation": "ethernet"
		}
		}
		},
		{
		"site-id": 2,
		"site-id": "3.3.3.3",
		"site-role": "spoke",
		"site-location": "R5",
		"site-location": "AMF-N2",
		"site-network-access": {
		"interface": {
		"ip-address": "5.5.5.5",
		"ip-address": "10.60.60.105",
		"encapsulation": "ethernet"
		}
		}
		@@ -33,6 +32,3 @@
		}
		]
		}
		}
		}

		No newline at end of file