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=================================================
26 MR_PATH = "/events/[TOPIC]/users/test/"
27 SDNR_PATH = "/rests/data/network-topology:network-topology/topology=topology-netconf/node=[O-DU-ID]/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions=[O-DU-ID]/radio-resource-management-policy-ratio=rrm-pol-1"
31 "o-ran-sc-du-hello-world:radio-resource-management-policy-ratio":
35 "radio-resource-management-policy-max-ratio":25,
36 "radio-resource-management-policy-members":
39 "mobile-country-code":"310",
40 "mobile-network-code":"150",
41 "slice-differentiator":1,
42 "slice-service-type":1
45 "radio-resource-management-policy-min-ratio":15,
46 "user-label":"rrm-pol-1",
47 "resource-type":"prb",
48 "radio-resource-management-policy-dedicated-ratio":20,
49 "administrative-state":"unlocked"
55 def is_message_new_link_failure(message):
56 msg_as_json = json.loads(message)
57 event_headers = msg_as_json["event"]["commonEventHeader"]
60 if (event_headers["domain"] == "fault"):
61 fault_fields = msg_as_json["event"]["faultFields"]
62 link_failure = fault_fields["alarmCondition"] == FAUILT_ID and fault_fields["eventSeverity"] != "NORMAL"
67 def is_message_clear_link_failure(message):
68 msg_as_json = json.loads(message)
69 event_headers = msg_as_json["event"]["commonEventHeader"]
71 link_failure_clear = False
72 if (event_headers["domain"] == "fault"):
73 fault_fields = msg_as_json["event"]["faultFields"]
74 link_failure_clear = fault_fields["alarmCondition"] == FAUILT_ID and fault_fields["eventSeverity"] == "NORMAL"
76 return link_failure_clear
79 def handle_link_failure(message, o_ru_to_o_du_map, sdnr_address, sdnr_user, sdnr_pwd):
80 verboseprint("Got a link failure: ")
81 alarm_msg_as_json = json.loads(message)
82 event_headers = alarm_msg_as_json["event"]["commonEventHeader"]
83 o_ru_id = event_headers["sourceName"]
84 verboseprint("O-RU ID: " + o_ru_id)
85 if o_ru_id in o_ru_to_o_du_map:
86 o_du_id = o_ru_to_o_du_map[o_ru_id]
87 verboseprint("O-DU ID: " + o_du_id)
88 unlock_msg = json.loads(json.dumps(UNLOCK_MESSAGE))
89 send_path = SDNR_PATH.replace("[O-DU-ID]", o_du_id)
90 requests.put(sdnr_address + send_path, auth=(sdnr_user, sdnr_pwd), json=unlock_msg)
92 print("ERROR: No mapping for O-RU ID: " + o_ru_id)
95 def handle_clear_link_failure(message):
96 msg_as_json = json.loads(message)
97 event_headers = msg_as_json["event"]["commonEventHeader"]
98 o_ru_id = event_headers["sourceName"]
99 verboseprint("Cleared Link Failure for O-RU ID: " + o_ru_id)
102 def read_o_ru_to_o_du_map_from_file(map_file):
103 file = open(map_file, "r")
104 contents = file.read()
105 dictionary = ast.literal_eval(contents)
110 def poll_and_handle_messages(mr_address, sdnr_address, sdnr_user, sdnr_pwd):
113 verboseprint("Polling")
114 response = requests.get(mr_address)
115 messages = response.json()
116 for message in messages:
117 if (is_message_new_link_failure(message)):
118 handle_link_failure(message, o_ru_to_o_du_map, sdnr_address, sdnr_user, sdnr_pwd)
119 elif (is_message_clear_link_failure(message)):
120 handle_clear_link_failure(message)
121 except Exception as inst:
127 if __name__ == '__main__':
128 parser = argparse.ArgumentParser(prog='PROG')
129 parser.add_argument('--mrHost', help='The URL of the MR host (default: %(default)s)', default="http://message-router.onap")
130 parser.add_argument('--mrPort', help='The port of the MR host (default: %(default)d)', type=int, default=3904)
131 parser.add_argument('--mrTopic', help='The topic to poll messages from (default: %(default)s)', default="unauthenticated.SEC_FAULT_OUTPUT")
132 parser.add_argument('--sdnrHost', help='The URL of the SNDR host (default: %(default)s)', default="http://localhost")
133 parser.add_argument('--sdnrPort', help='The port of the SDNR host (default: %(default)d)', type=int, default=9990)
134 parser.add_argument('--sdnrUser', help='Username for SDNR', default="admin")
135 parser.add_argument('--sdnrPwd', help='Password for SDNR', default="Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U")
136 parser.add_argument('--oRuTooDuMapFile', help='A file with the mapping between O-RU ID and O-DU ID as a dictionary (default: %(default)s)', default="o-ru-to-o-du-map.txt")
137 parser.add_argument('--pollTime', help='The time between polls (default: %(default)d)', type=int, default=10)
138 parser.add_argument('-v', '--verbose', action='store_true', help='Turn on verbose printing')
139 parser.add_argument('--version', action='version', version='%(prog)s 1.0')
140 args = vars(parser.parse_args())
141 mr_host = args["mrHost"]
142 if os.getenv("MR-HOST") is not None:
143 mr_host = os.getenv("MR-HOST")
144 print("Using MR Host from os: " + mr_host)
145 mr_port = args["mrPort"]
146 if os.getenv("MR-PORT") is not None:
147 mr_port = os.getenv("MR-PORT")
148 print("Using MR Port from os: " + mr_port)
149 mr_topic = args["mrTopic"]
150 sdnr_host = args["sdnrHost"]
151 if os.getenv("SDNR-HOST") is not None:
152 sdnr_host = os.getenv("SDNR-HOST")
153 print("Using SNDR Host from os: " + sdnr_host)
154 sdnr_port = args["sdnrPort"]
155 if os.getenv("SDNR-PORT") is not None:
156 sdnr_port = os.getenv("SDNR-PORT")
157 print("Using SNDR Host from os: " + sdnr_port)
158 sdnr_user = args["sdnrUser"]
159 if os.getenv("SDNR-USER") is not None:
160 sdnr_user = os.getenv("SDNR-USER")
161 print("Using SNDR User from os: " + sdnr_user)
162 sdnr_pwd = args["sdnrPwd"]
163 if os.getenv("SDNR-PWD") is not None:
164 sdnr_pwd = os.getenv("SDNR-PWD")
165 print("Using SNDR Password from os: " + sdnr_pwd)
166 o_ru_to_o_du_map = read_o_ru_to_o_du_map_from_file(args["oRuTooDuMapFile"])
167 pollTime = args["pollTime"]
169 if os.getenv("VERBOSE") is not None or args["verbose"]:
171 def verboseprint(*args, **kwargs):
172 print(*args, **kwargs)
175 verboseprint = lambda *a, **k: None # do-nothing function
177 verboseprint("Using MR address: " + mr_host + ":" + str(mr_port) + " and topic: " + mr_topic)
178 verboseprint("Using SDNR address: " + sdnr_host + ":" + str(sdnr_port))
179 verboseprint("Starting with " + str(pollTime) + " seconds between polls")
180 mr_address = mr_host + ":" + str(mr_port) + MR_PATH.replace("[TOPIC]", mr_topic)
181 sdnr_address = sdnr_host + ":" + str(sdnr_port)
183 poll_and_handle_messages(mr_address, sdnr_address, sdnr_user, sdnr_pwd)