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)
+ msg = self._build_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()
content = json.loads(message.value)
log.info("Received create_alarm_response %s", content)
if self._is_alarm_response_correlation_id_eq(cor_id, content):
+ if not content['alarm_create_response']['status']:
+ raise ValueError("Error creating alarm in MON")
alarm_uuid = content['alarm_create_response']['alarm_uuid']
- # TODO Handle error response
return alarm_uuid
raise ValueError('Timeout: No alarm creation response from MON. Is MON up?')
- def _create_alarm_payload(self, cor_id: int, metric_name: str, ns_id: str, vdu_name: str, vnf_member_index: int,
- threshold: int, statistic: str, operation: str):
+ def delete_alarm(self, ns_id: str, vnf_member_index: int, vdu_name: str, alarm_uuid: str):
+ cor_id = random.randint(1, 1000000)
+ msg = self._build_delete_alarm_payload(cor_id, ns_id, vdu_name, vnf_member_index, alarm_uuid)
+ log.info("Sending delete_alarm_request %s", msg)
+ self.producer.send(topic='alarm_request', key='delete_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)
+ consumer.subscribe(['alarm_response'])
+ for message in consumer:
+ if message.key == 'delete_alarm_response':
+ content = json.loads(message.value)
+ log.info("Received delete_alarm_response %s", content)
+ if self._is_alarm_response_correlation_id_eq(cor_id, content):
+ if not content['alarm_delete_response']['status']:
+ raise ValueError("Error deleting alarm in MON")
+ alarm_uuid = content['alarm_delete_response']['alarm_uuid']
+ return alarm_uuid
+
+ raise ValueError('Timeout: No alarm creation response from MON. Is MON up?')
+
+ def _build_create_alarm_payload(self, cor_id: int, metric_name: str, ns_id: str, vdu_name: str,
+ vnf_member_index: int,
+ threshold: int, statistic: str, operation: str):
alarm_create_request = {
'correlation_id': cor_id,
'alarm_name': str(uuid.uuid4()),
}
return msg
+ def _build_delete_alarm_payload(self, cor_id: int, ns_id: str, vdu_name: str,
+ vnf_member_index: int, alarm_uuid: str):
+ alarm_delete_request = {
+ 'correlation_id': cor_id,
+ 'alarm_uuid': alarm_uuid,
+ 'ns_id': ns_id,
+ 'vdu_name': vdu_name,
+ 'vnf_member_index': vnf_member_index
+ }
+ msg = {
+ 'alarm_delete_request': alarm_delete_request,
+ }
+ return msg
+
def _is_alarm_response_correlation_id_eq(self, cor_id, message_content):
return message_content['alarm_create_response']['correlation_id'] == cor_id