import uuid
from string import ascii_lowercase
-from kafka import KafkaProducer, KafkaConsumer
from n2vc.vnf import N2VC
from prometheus_client.core import GaugeMetricFamily
from osm_mon.common.common_db_client import CommonDbClient
+from osm_mon.core.message_bus.consumer import Consumer
+from osm_mon.core.message_bus.producer import Producer
from osm_mon.core.settings import Config
log = logging.getLogger(__name__)
cfg = Config.instance()
self.kafka_server = cfg.BROKER_URI
self.common_db_client = CommonDbClient()
- self.n2vc = N2VC(server=cfg.OSMMON_VCA_HOST, secret=cfg.OSMMON_VCA_SECRET)
- self.producer = KafkaProducer(bootstrap_servers=self.kafka_server,
- key_serializer=str.encode,
- value_serializer=str.encode)
- self.consumer = KafkaConsumer(bootstrap_servers=self.kafka_server,
- key_deserializer=bytes.decode,
- value_deserializer=bytes.decode,
- consumer_timeout_ms=10000,
- group_id='mon-collector-' + str(uuid.uuid4()))
- self.consumer.subscribe(['metric_response'])
+ self.n2vc = N2VC(server=cfg.OSMMON_VCA_HOST, user=cfg.OSMMON_VCA_USER, secret=cfg.OSMMON_VCA_SECRET)
async def collect_metrics(self):
"""
"""
# TODO(diazb): Remove dependencies on prometheus_client
log.debug("collect_metrics")
+ producer = Producer()
+ consumer = Consumer('mon-collector-' + str(uuid.uuid4()),
+ consumer_timeout_ms=10000,
+ enable_auto_commit=False)
+ consumer.subscribe(['metric_response'])
metrics = {}
- try:
- vnfrs = self.common_db_client.get_vnfrs()
- vca_model_name = 'default'
- for vnfr in vnfrs:
- nsr_id = vnfr['nsr-id-ref']
- vnfd = self.common_db_client.get_vnfd(vnfr['vnfd-id'])
- for vdur in vnfr['vdur']:
- # This avoids errors when vdur records have not been completely filled
- if 'name' not in vdur:
- continue
- vdu = next(
- filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu'])
- )
- vnf_member_index = vnfr['member-vnf-index-ref']
- vdu_name = vdur['name']
- if 'monitoring-param' in vdu:
- for param in vdu['monitoring-param']:
- metric_name = param['nfvi-metric']
- payload = await self._generate_read_metric_payload(metric_name, nsr_id, vdu_name,
- vnf_member_index)
- self.producer.send(topic='metric_request', key='read_metric_data_request',
- value=json.dumps(payload))
- self.producer.flush()
- for message in self.consumer:
- if message.key == 'read_metric_data_response':
- content = json.loads(message.value)
- if content['correlation_id'] == payload['correlation_id']:
- if len(content['metrics_data']['metrics_series']):
- metric_reading = content['metrics_data']['metrics_series'][-1]
- if metric_name not in metrics.keys():
- metrics[metric_name] = GaugeMetricFamily(
- metric_name,
- 'OSM metric',
- labels=['ns_id', 'vnf_member_index', 'vdu_name']
- )
- metrics[metric_name].add_metric([nsr_id, vnf_member_index, vdu_name],
- metric_reading)
- break
- if 'vdu-configuration' in vdu and 'metrics' in vdu['vdu-configuration']:
- vnf_name_vca = await self._generate_vca_vdu_name(vdu_name)
- vnf_metrics = await self.n2vc.GetMetrics(vca_model_name, vnf_name_vca)
- log.debug('VNF Metrics: %s', vnf_metrics)
- for vnf_metric_list in vnf_metrics.values():
- for vnf_metric in vnf_metric_list:
- log.debug("VNF Metric: %s", vnf_metric)
- if vnf_metric['key'] not in metrics.keys():
- metrics[vnf_metric['key']] = GaugeMetricFamily(
- vnf_metric['key'],
- 'OSM metric',
- labels=['ns_id', 'vnf_member_index', 'vdu_name']
- )
- metrics[vnf_metric['key']].add_metric([nsr_id, vnf_member_index, vdu_name],
- float(vnf_metric['value']))
- log.debug("metric.values = %s", metrics.values())
- return metrics.values()
- except Exception as e:
- log.exception("Error collecting metrics")
- raise e
+ vnfrs = self.common_db_client.get_vnfrs()
+ vca_model_name = 'default'
+ for vnfr in vnfrs:
+ nsr_id = vnfr['nsr-id-ref']
+ vnfd = self.common_db_client.get_vnfd(vnfr['vnfd-id'])
+ for vdur in vnfr['vdur']:
+ # This avoids errors when vdur records have not been completely filled
+ if 'name' not in vdur:
+ continue
+ vdu = next(
+ filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu'])
+ )
+ vnf_member_index = vnfr['member-vnf-index-ref']
+ vdu_name = vdur['name']
+ if 'monitoring-param' in vdu:
+ for param in vdu['monitoring-param']:
+ metric_name = param['nfvi-metric']
+ payload = await self._generate_read_metric_payload(metric_name, nsr_id, vdu_name,
+ vnf_member_index)
+ producer.send(topic='metric_request', key='read_metric_data_request',
+ value=json.dumps(payload))
+ producer.flush(5)
+ for message in consumer:
+ if message.key == 'read_metric_data_response':
+ content = json.loads(message.value)
+ if content['correlation_id'] == payload['correlation_id']:
+ log.debug("Found read_metric_data_response with same correlation_id")
+ if len(content['metrics_data']['metrics_series']):
+ metric_reading = content['metrics_data']['metrics_series'][-1]
+ if metric_name not in metrics.keys():
+ metrics[metric_name] = GaugeMetricFamily(
+ metric_name,
+ 'OSM metric',
+ labels=['ns_id', 'vnf_member_index', 'vdu_name']
+ )
+ metrics[metric_name].add_metric([nsr_id, vnf_member_index, vdu_name],
+ metric_reading)
+ break
+ if 'vdu-configuration' in vdu and 'metrics' in vdu['vdu-configuration']:
+ vnf_name_vca = await self._generate_vca_vdu_name(vdu_name)
+ vnf_metrics = await self.n2vc.GetMetrics(vca_model_name, vnf_name_vca)
+ log.debug('VNF Metrics: %s', vnf_metrics)
+ for vnf_metric_list in vnf_metrics.values():
+ for vnf_metric in vnf_metric_list:
+ log.debug("VNF Metric: %s", vnf_metric)
+ if vnf_metric['key'] not in metrics.keys():
+ metrics[vnf_metric['key']] = GaugeMetricFamily(
+ vnf_metric['key'],
+ 'OSM metric',
+ labels=['ns_id', 'vnf_member_index', 'vdu_name']
+ )
+ metrics[vnf_metric['key']].add_metric([nsr_id, vnf_member_index, vdu_name],
+ float(vnf_metric['value']))
+ consumer.close()
+ producer.close(5)
+ log.debug("metric.values = %s", metrics.values())
+ return metrics.values()
@staticmethod
async def _generate_vca_vdu_name(vdu_name) -> str:
projects / osm / MON.git / commitdiff