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 linkFailureMessage = {
  43     "event": {
  44         "commonEventHeader": {
  45             "domain": "fault",
  46             "eventId": "nt:network-topology/nt:topology/nt:node/nt:node-id",
  47             "eventName": "fault_O-RAN-RU-Fault_Alarms_CUS_Link_Failure",
  48             "eventType": "O-RAN-RU-Fault_Alarms",
  49             "sequence": 0,
  50             "priority": "High",
  51             "reportingEntityId": "SDNR",
  52             "reportingEntityName": "",
  53             "sourceId": "",
  54             "sourceName": "oru1",
  55             "startEpochMicrosec": "@timestamp@",
  56             "lastEpochMicrosec": "@timestamp@",
  57             "nfNamingCode": "",
  58             "nfVendorName": "ietf-hardware (RFC8348) /hardware/component[not(parent)][1]/mfg-name",
  59             "timeZoneOffset": "+00:00",
  60             "version": "4.1",
  61             "vesEventListenerVersion": "7.2.1"
  62         },
  63         "faultFields": {
  64             "faultFieldsVersion": "4.0",
  65             "alarmCondition": "30",
  66             "alarmInterfaceA": "o-ran-fm:alarm-notif/fault-source",
  67             "eventSourceType": "ietf-hardware (RFC8348) /hardware/component[not(parent)][1]/mfg-model or \"O-RU\"",
  68             "specificProblem": "",
  69             "eventSeverity": "NORMAL",
  70             "vfStatus": "Active",
  71             "alarmAdditionalInformation": {
  72                 "eventTime": "@eventTime@",
  73                 "equipType": "@type@",
  74                 "vendor": "@vendor@",
  75                 "model": "@model@"
  76             }
  77         }
  78     }
  79 }
  80
  81
  82 class AlarmClearThread (threading.Thread):
  83
  84     def __init__(self, sleep_time, o_ru_id):
  85         threading.Thread.__init__(self)
  86         self.sleep_time = sleep_time
  87         self.o_ru_id = o_ru_id
  88
  89     def run(self):
  90         print(f'Sleeping: {self.sleep_time} before clearing O-DU: {self.o_ru_id}')
  91         time.sleep(self.sleep_time)
  92         msg_as_json = json.loads(json.dumps(linkFailureMessage))
  93         msg_as_json["event"]["commonEventHeader"]["sourceName"] = self.o_ru_id
  94         print("Sedning alarm clear for O-RU: " + self.o_ru_id)
  95         requests.post(mr_host + ":" + mr_port + MR_PATH, json=msg_as_json);
  96
  97
  98 # I'm alive function
  99 @app.route('/',
 100     methods=['GET'])
 101 def index():
 102     return 'OK', 200
 103
 104
 105 @app.route(APP_URL,
 106     methods=['POST'])
 107 def sendrequest(o_du_id, o_ru_id):
 108     print("Got request with O-DU ID: " + o_du_id + " and O-RU ID: " + o_ru_id)
 109     random_time = int(10 * random.random())
 110     alarm_clear_thread = AlarmClearThread(random_time, o_ru_id)
 111     alarm_clear_thread.start()
 112
 113     return Response(status=201)
 114
 115
 116 if __name__ == "__main__":
 117     if os.getenv("MR-HOST") is not None:
 118         mr_host = os.getenv("MR-HOST")
 119         print("Using MR Host from os: " + mr_host)
 120     if os.getenv("MR-PORT") is not None:
 121         mr_port = os.getenv("MR-PORT")
 122         print("Using MR Port from os: " + mr_port)
 123
 124     app.run(port=HOST_PORT, host=HOST_IP)