test/usecases/oruclosedlooprecovery/scriptversion/simulators/sdnr_simulator.py

   1
   2 #  ============LICENSE_START===============================================
   3 #  Copyright (C) 2021 Nordix Foundation. All rights reserved.
   4 #  ========================================================================
   5 #  Licensed under the Apache License, Version 2.0 (the "License");
   6 #  you may not use this file except in compliance with the License.
   7 #  You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #  Unless required by applicable law or agreed to in writing, software
  12 #  distributed under the License is distributed on an "AS IS" BASIS,
  13 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #  See the License for the specific language governing permissions and
  15 #  limitations under the License.
  16 #  ============LICENSE_END=================================================
  17 #
  18
  19 from flask import Flask
  20 from flask import Response
  21 import json
  22 import os
  23 import random
  24 import requests
  25 import threading
  26 import time
  27
  28 # Provides an endpoint for the "UNLOCK" configuration change for an O-DU.
  29 # Stores the ID of the O-DU and randomly, after between 0 and 10 seconds, sends an Alarm Notification that clears the
  30 # "CUS Link Failure" alarm event to MR.
  31 app = Flask(__name__)
  32
  33 mr_host = "http://localhost"
  34 mr_port = "3904"
  35 MR_PATH = "/events/unauthenticated.SEC_FAULT_OUTPUT"
  36
  37 # Server info
  38 HOST_IP = "::"
  39 HOST_PORT = 9990
  40 APP_URL = "/rests/data/network-topology:network-topology/topology=topology-netconf/node=<string:o_du_id>/yang-ext:mount/o-ran-sc-du-hello-world:network-function/du-to-ru-connection=<string:o_ru_id>"
  41
  42 FAULT_ID = "28"
  43
  44 linkFailureMessage = {
  45     "event": {
  46         "commonEventHeader": {
  47             "domain": "fault",
  48             "eventId": "nt:network-topology/nt:topology/nt:node/nt:node-id",
  49             "eventName": "fault_O-RAN-RU-Fault_Alarms_CUS_Link_Failure",
  50             "eventType": "O-RAN-RU-Fault_Alarms",
  51             "sequence": 0,
  52             "priority": "High",
  53             "reportingEntityId": "SDNR",
  54             "reportingEntityName": "",
  55             "sourceId": "",
  56             "sourceName": "oru1",
  57             "startEpochMicrosec": "@timestamp@",
  58             "lastEpochMicrosec": "@timestamp@",
  59             "nfNamingCode": "",
  60             "nfVendorName": "ietf-hardware (RFC8348) /hardware/component[not(parent)][1]/mfg-name",
  61             "timeZoneOffset": "+00:00",
  62             "version": "4.1",
  63             "vesEventListenerVersion": "7.2.1"
  64         },
  65         "faultFields": {
  66             "faultFieldsVersion": "4.0",
  67             "alarmCondition": FAULT_ID,
  68             "alarmInterfaceA": "o-ran-fm:alarm-notif/fault-source",
  69             "eventSourceType": "ietf-hardware (RFC8348) /hardware/component[not(parent)][1]/mfg-model or \"O-RU\"",
  70             "specificProblem": "",
  71             "eventSeverity": "NORMAL",
  72             "vfStatus": "Active",
  73             "alarmAdditionalInformation": {
  74                 "eventTime": "@eventTime@",
  75                 "equipType": "@type@",
  76                 "vendor": "@vendor@",
  77                 "model": "@model@"
  78             }
  79         }
  80     }
  81 }
  82
  83
  84 class AlarmClearThread (threading.Thread):
  85
  86     def __init__(self, sleep_time, o_ru_id):
  87         threading.Thread.__init__(self)
  88         self.sleep_time = sleep_time
  89         self.o_ru_id = o_ru_id
  90
  91     def run(self):
  92         print(f'Sleeping: {self.sleep_time} before clearing O-DU: {self.o_ru_id}')
  93         time.sleep(self.sleep_time)
  94         msg_as_json = json.loads(json.dumps(linkFailureMessage))
  95         msg_as_json["event"]["commonEventHeader"]["sourceName"] = self.o_ru_id
  96         print("Sedning alarm clear for O-RU: " + self.o_ru_id)
  97         requests.post(mr_host + ":" + mr_port + MR_PATH, json=msg_as_json);
  98
  99
 100 # I'm alive function
 101 @app.route('/',
 102     methods=['GET'])
 103 def index():
 104     return 'OK', 200
 105
 106
 107 @app.route(APP_URL,
 108     methods=['POST'])
 109 def sendrequest(o_du_id, o_ru_id):
 110     print("Got request with O-DU ID: " + o_du_id + " and O-RU ID: " + o_ru_id)
 111     random_time = int(10 * random.random())
 112     alarm_clear_thread = AlarmClearThread(random_time, o_ru_id)
 113     alarm_clear_thread.start()
 114
 115     return Response(status=200)
 116
 117
 118 if __name__ == "__main__":
 119     if os.getenv("MR-HOST") is not None:
 120         mr_host = os.getenv("MR-HOST")
 121         print("Using MR Host from os: " + mr_host)
 122     if os.getenv("MR-PORT") is not None:
 123         mr_port = os.getenv("MR-PORT")
 124         print("Using MR Port from os: " + mr_port)
 125
 126     app.run(port=HOST_PORT, host=HOST_IP)