- def __init__(self):
- cfg = Config.instance()
- self.kafka_server = '{}:{}'.format(cfg.OSMPOL_MESSAGE_HOST,
- cfg.OSMPOL_MESSAGE_PORT)
- self.producer = KafkaProducer(bootstrap_servers=self.kafka_server,
- key_serializer=str.encode,
- value_serializer=str.encode)
-
- def create_alarm(self, metric_name: str, ns_id: str, vdu_name: str, vnf_member_index: int, threshold: int,
- statistic: str, operation: str):
- cor_id = random.randint(1, 1000000)
- msg = self._create_alarm_payload(cor_id, metric_name, ns_id, vdu_name, vnf_member_index, threshold, statistic,
- operation)
- log.info("Sending create_alarm_request %s", msg)
- self.producer.send(topic='alarm_request', key='create_alarm_request', value=json.dumps(msg))
- self.producer.flush()
- consumer = KafkaConsumer(bootstrap_servers=self.kafka_server,
- key_deserializer=bytes.decode,
- value_deserializer=bytes.decode,
- consumer_timeout_ms=10000,
- group_id='mon-client-' + str(uuid.uuid4()))
- consumer.subscribe(['alarm_response'])
- for message in consumer:
- if message.key == 'create_alarm_response':
- content = json.loads(message.value)
- log.info("Received create_alarm_response %s", content)
- if self._is_alarm_response_correlation_id_eq(cor_id, content):
+ def __init__(self, config: Config, loop=None):
+ self.kafka_server = '{}:{}'.format(config.get('message', 'host'),
+ config.get('message', 'port'))
+ if not loop:
+ loop = asyncio.get_event_loop()
+ self.loop = loop
+
+ async def create_alarm(self, metric_name: str, ns_id: str, vdu_name: str, vnf_member_index: str, threshold: int,
+ statistic: str, operation: str):
+ cor_id = random.randint(1, 10e7)
+ msg = self._build_create_alarm_payload(cor_id,
+ metric_name,
+ ns_id,
+ vdu_name,
+ vnf_member_index,
+ threshold,
+ statistic,
+ operation)
+ log.debug("Sending create_alarm_request %s", msg)
+ producer = AIOKafkaProducer(loop=self.loop,
+ bootstrap_servers=self.kafka_server,
+ key_serializer=str.encode,
+ value_serializer=str.encode)
+ await producer.start()
+ try:
+ await producer.send_and_wait("alarm_request", key="create_alarm_request", value=json.dumps(msg))
+ finally:
+ await producer.stop()
+ log.debug("Waiting for create_alarm_response...")
+ consumer = AIOKafkaConsumer(
+ "alarm_response_" + str(cor_id),
+ loop=self.loop,
+ bootstrap_servers=self.kafka_server,
+ key_deserializer=bytes.decode,
+ value_deserializer=bytes.decode,
+ auto_offset_reset='earliest')
+ await consumer.start()
+ alarm_uuid = None
+ try:
+ async for message in consumer:
+ try:
+ content = json.loads(message.value)
+ except JSONDecodeError:
+ content = yaml.safe_load(message.value)
+ log.debug("Received create_alarm_response %s", content)
+ if content['alarm_create_response']['correlation_id'] == cor_id:
+ if not content['alarm_create_response']['status']:
+ raise ValueError("Error creating alarm in MON")