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
9 # http://www.apache.org/licenses/LICENSE-2.0
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=================================================
19 from flask import Flask
20 from flask import Response
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.
33 mr_host = "http://localhost"
35 MR_PATH = "/events/unauthenticated.SEC_FAULT_OUTPUT"
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>"
44 linkFailureMessage = {
46 "commonEventHeader": {
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",
53 "reportingEntityId": "SDNR",
54 "reportingEntityName": "",
57 "startEpochMicrosec": "@timestamp@",
58 "lastEpochMicrosec": "@timestamp@",
60 "nfVendorName": "ietf-hardware (RFC8348) /hardware/component[not(parent)][1]/mfg-name",
61 "timeZoneOffset": "+00:00",
63 "vesEventListenerVersion": "7.2.1"
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",
73 "alarmAdditionalInformation": {
74 "eventTime": "@eventTime@",
75 "equipType": "@type@",
84 class AlarmClearThread (threading.Thread):
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
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);
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()
115 return Response(status=200)
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)
126 app.run(port=HOST_PORT, host=HOST_IP)