# For those usages not covered by the Apache License, Version 2.0 please
# contact: bdiaz@whitestack.com or glavado@whitestack.com
##
+import datetime
import json
import logging
import threading
t.start()
def _process_msg(self, topic, key, msg):
+ log.debug("_process_msg topic=%s key=%s msg=%s", topic, key, msg)
try:
- log.debug("Message arrived with topic: %s, key: %s, msg: %s", topic, key, msg)
if key in ALLOWED_KAFKA_KEYS:
try:
content = json.loads(msg)
log.exception("Error consuming message: ")
def _handle_alarm_notification(self, content):
+ log.debug("_handle_alarm_notification: %s", content)
alarm_id = content['notify_details']['alarm_uuid']
metric_name = content['notify_details']['metric_name']
operation = content['notify_details']['operation']
alarm_id, metric_name, operation, threshold, vdu_name, vnf_member_index, ns_id)
try:
alarm = ScalingAlarm.select().where(ScalingAlarm.alarm_id == alarm_id).get()
+ delta = datetime.datetime.now() - alarm.scaling_criteria.scaling_policy.last_scale
+ log.debug("last_scale: %s", alarm.scaling_criteria.scaling_policy.last_scale)
+ log.debug("now: %s", datetime.datetime.now())
+ log.debug("delta: %s", delta)
+ if delta.total_seconds() < alarm.scaling_criteria.scaling_policy.cooldown_time:
+ log.info("Time between last scale and now is less than cooldown time. Skipping.")
+ return
log.info("Sending scaling action message for ns: %s", alarm_id)
- self.lcm_client.scale(alarm.scaling_record.nsr_id, alarm.scaling_record.name, alarm.vnf_member_index,
+ self.lcm_client.scale(alarm.scaling_criteria.scaling_policy.scaling_group.nsr_id,
+ alarm.scaling_criteria.scaling_policy.scaling_group.name,
+ alarm.vnf_member_index,
alarm.action)
+ alarm.scaling_criteria.scaling_policy.last_scale = datetime.datetime.now()
+ alarm.scaling_criteria.scaling_policy.save()
except ScalingAlarm.DoesNotExist:
log.info("There is no action configured for alarm %s.", alarm_id)
def _handle_instantiated_or_scaled(self, content):
+ log.debug("_handle_instantiated_or_scaled: %s", content)
nslcmop_id = content['nslcmop_id']
nslcmop = self.db_client.get_nslcmop(nslcmop_id)
if nslcmop['operationState'] == 'COMPLETED' or nslcmop['operationState'] == 'PARTIALLY_COMPLETED':
nslcmop['operationState'])
def _configure_scaling_groups(self, nsr_id: str):
- # TODO(diazb): Check for alarm creation on exception and clean resources if needed.
+ log.debug("_configure_scaling_groups: %s", nsr_id)
+ # TODO: Add support for non-nfvi metrics
+ alarms_created = []
with database.db.atomic():
- vnfrs = self.db_client.get_vnfrs(nsr_id)
- log.info("Checking %s vnfrs...", len(vnfrs))
- for vnfr in vnfrs:
- vnfd = self.db_client.get_vnfd(vnfr['vnfd-id'])
- log.info("Looking for vnfd %s", vnfr['vnfd-id'])
- scaling_groups = vnfd['scaling-group-descriptor']
- vnf_monitoring_params = vnfd['monitoring-param']
- for scaling_group in scaling_groups:
- try:
- scaling_group_record = ScalingGroup.select().where(
- ScalingGroup.nsr_id == nsr_id,
- ScalingGroup.name == scaling_group['name']
- ).get()
- except ScalingGroup.DoesNotExist:
- log.info("Creating scaling group record in DB...")
- scaling_group_record = ScalingGroup.create(
- nsr_id=nsr_id,
- name=scaling_group['name'],
- content=json.dumps(scaling_group)
- )
- log.info("Created scaling group record in DB : nsr_id=%s, name=%s, content=%s",
- scaling_group_record.nsr_id,
- scaling_group_record.name,
- scaling_group_record.content)
- for scaling_policy in scaling_group['scaling-policy']:
- if scaling_policy['scaling-type'] != 'automatic':
- continue
- try:
- scaling_policy_record = ScalingPolicy.select().join(ScalingGroup).where(
- ScalingPolicy.name == scaling_policy['name'],
- ScalingGroup.id == scaling_group_record.id
- ).get()
- except ScalingPolicy.DoesNotExist:
- log.info("Creating scaling policy record in DB...")
- scaling_policy_record = ScalingPolicy.create(
- nsr_id=nsr_id,
- name=scaling_policy['name'],
- scaling_group=scaling_group_record
- )
- log.info("Created scaling policy record in DB : name=%s, scaling_group.name=%s",
- scaling_policy_record.nsr_id,
- scaling_policy_record.scaling_group.name)
- for vdu in vnfd['vdu']:
- vdu_monitoring_params = vdu['monitoring-param']
- for scaling_criteria in scaling_policy['scaling-criteria']:
+ try:
+ with database.db.atomic():
+ vnfrs = self.db_client.get_vnfrs(nsr_id)
+ log.info("Found %s vnfrs", len(vnfrs))
+ for vnfr in vnfrs:
+ vnfd = self.db_client.get_vnfd(vnfr['vnfd-id'])
+ log.info("Looking for vnfd %s", vnfr['vnfd-id'])
+ scaling_groups = vnfd['scaling-group-descriptor']
+ vnf_monitoring_params = vnfd['monitoring-param']
+ for scaling_group in scaling_groups:
+ try:
+ scaling_group_record = ScalingGroup.select().where(
+ ScalingGroup.nsr_id == nsr_id,
+ ScalingGroup.vnf_member_index == int(vnfr['member-vnf-index-ref']),
+ ScalingGroup.name == scaling_group['name']
+ ).get()
+ log.info("Found existing scaling group record in DB...")
+ except ScalingGroup.DoesNotExist:
+ log.info("Creating scaling group record in DB...")
+ scaling_group_record = ScalingGroup.create(
+ nsr_id=nsr_id,
+ vnf_member_index=vnfr['member-vnf-index-ref'],
+ name=scaling_group['name'],
+ content=json.dumps(scaling_group)
+ )
+ log.info(
+ "Created scaling group record in DB : nsr_id=%s, vnf_member_index=%s, name=%s",
+ scaling_group_record.nsr_id,
+ scaling_group_record.vnf_member_index,
+ scaling_group_record.name)
+ for scaling_policy in scaling_group['scaling-policy']:
+ if scaling_policy['scaling-type'] != 'automatic':
+ continue
try:
- scaling_criteria_record = ScalingCriteria.select().join(ScalingPolicy).where(
- ScalingPolicy.id == scaling_policy_record.id,
- ScalingCriteria.name == scaling_criteria['name']
+ scaling_policy_record = ScalingPolicy.select().join(ScalingGroup).where(
+ ScalingPolicy.name == scaling_policy['name'],
+ ScalingGroup.id == scaling_group_record.id
).get()
- except ScalingCriteria.DoesNotExist:
- log.info("Creating scaling criteria record in DB...")
- scaling_criteria_record = ScalingCriteria.create(
+ log.info("Found existing scaling policy record in DB...")
+ except ScalingPolicy.DoesNotExist:
+ log.info("Creating scaling policy record in DB...")
+ scaling_policy_record = ScalingPolicy.create(
nsr_id=nsr_id,
name=scaling_policy['name'],
- scaling_policy=scaling_policy_record
+ cooldown_time=scaling_policy['cooldown-time'],
+ scaling_group=scaling_group_record
)
- log.info(
- "Created scaling criteria record in DB : name=%s, scaling_criteria.name=%s",
- scaling_criteria_record.name,
- scaling_criteria_record.scaling_policy.name)
- vnf_monitoring_param = next(
- filter(lambda param: param['id'] == scaling_criteria['vnf-monitoring-param-ref'],
- vnf_monitoring_params))
- # TODO: Add support for non-nfvi metrics
- vdu_monitoring_param = next(
- filter(
- lambda param: param['id'] == vnf_monitoring_param['vdu-monitoring-param-ref'],
- vdu_monitoring_params))
- vdurs = list(filter(lambda vdur: vdur['vdu-id-ref'] == vnf_monitoring_param['vdu-ref'],
- vnfr['vdur']))
- for vdur in vdurs:
+ log.info("Created scaling policy record in DB : name=%s, scaling_group.name=%s",
+ scaling_policy_record.name,
+ scaling_policy_record.scaling_group.name)
+
+ for scaling_criteria in scaling_policy['scaling-criteria']:
try:
- ScalingAlarm.select().where(
- ScalingAlarm.vdu_name == vdur['name']
- ).where(
- ScalingAlarm.scaling_criteria.name == scaling_criteria['name']
+ scaling_criteria_record = ScalingCriteria.select().join(ScalingPolicy).where(
+ ScalingPolicy.id == scaling_policy_record.id,
+ ScalingCriteria.name == scaling_criteria['name']
).get()
- log.debug("VDU %s already has an alarm configured")
- continue
- except ScalingAlarm.DoesNotExist:
- pass
- alarm_uuid = self.mon_client.create_alarm(
- metric_name=vdu_monitoring_param['nfvi-metric'],
- ns_id=nsr_id,
- vdu_name=vdur['name'],
- vnf_member_index=vnfr['member-vnf-index-ref'],
- threshold=scaling_criteria['scale-in-threshold'],
- operation=scaling_criteria['scale-in-relational-operation'],
- statistic=vnf_monitoring_param['aggregation-type']
- )
- ScalingAlarm.create(
- alarm_id=alarm_uuid,
- action='scale_in',
- vnf_member_index=int(vnfr['member-vnf-index-ref']),
- vdu_name=vdur['name'],
- scaling_criteria=scaling_criteria_record
- )
- alarm_uuid = self.mon_client.create_alarm(
- metric_name=vdu_monitoring_param['nfvi-metric'],
- ns_id=nsr_id,
- vdu_name=vdur['name'],
- vnf_member_index=vnfr['member-vnf-index-ref'],
- threshold=scaling_criteria['scale-out-threshold'],
- operation=scaling_criteria['scale-out-relational-operation'],
- statistic=vnf_monitoring_param['aggregation-type']
- )
- ScalingAlarm.create(
- alarm_id=alarm_uuid,
- action='scale_out',
- vnf_member_index=int(vnfr['member-vnf-index-ref']),
- vdu_name=vdur['name'],
- scaling_criteria=scaling_criteria_record
- )
+ log.info("Found existing scaling criteria record in DB...")
+ except ScalingCriteria.DoesNotExist:
+ log.info("Creating scaling criteria record in DB...")
+ scaling_criteria_record = ScalingCriteria.create(
+ nsr_id=nsr_id,
+ name=scaling_criteria['name'],
+ scaling_policy=scaling_policy_record
+ )
+ log.info(
+ "Created scaling criteria record in DB : name=%s, scaling_policy.name=%s",
+ scaling_criteria_record.name,
+ scaling_criteria_record.scaling_policy.name)
+
+ for vdu_ref in scaling_group['vdu']:
+ vnf_monitoring_param = next(
+ filter(lambda param: param['id'] == scaling_criteria[
+ 'vnf-monitoring-param-ref'], vnf_monitoring_params))
+ if not vdu_ref['vdu-id-ref'] == vnf_monitoring_param['vdu-ref']:
+ continue
+ vdu = next(
+ filter(lambda vdu: vdu['id'] == vdu_ref['vdu-id-ref'], vnfd['vdu'])
+ )
+ vdu_monitoring_params = vdu['monitoring-param']
+ vdu_monitoring_param = next(
+ filter(
+ lambda param: param['id'] == vnf_monitoring_param[
+ 'vdu-monitoring-param-ref'],
+ vdu_monitoring_params))
+ vdurs = list(
+ filter(lambda vdur: vdur['vdu-id-ref'] == vnf_monitoring_param['vdu-ref'],
+ vnfr['vdur']))
+ for vdur in vdurs:
+ try:
+ ScalingAlarm.select().join(ScalingCriteria).where(
+ ScalingAlarm.vdu_name == vdur['name'],
+ ScalingCriteria.name == scaling_criteria['name']
+ ).get()
+ log.debug("vdu %s already has an alarm configured", vdur['name'])
+ continue
+ except ScalingAlarm.DoesNotExist:
+ pass
+ alarm_uuid = self.mon_client.create_alarm(
+ metric_name=vdu_monitoring_param['nfvi-metric'],
+ ns_id=nsr_id,
+ vdu_name=vdur['name'],
+ vnf_member_index=vnfr['member-vnf-index-ref'],
+ threshold=scaling_criteria['scale-in-threshold'],
+ operation=scaling_criteria['scale-in-relational-operation'],
+ statistic=vnf_monitoring_param['aggregation-type']
+ )
+ ScalingAlarm.create(
+ alarm_id=alarm_uuid,
+ action='scale_in',
+ vnf_member_index=int(vnfr['member-vnf-index-ref']),
+ vdu_name=vdur['name'],
+ scaling_criteria=scaling_criteria_record
+ )
+ alarm_uuid = self.mon_client.create_alarm(
+ metric_name=vdu_monitoring_param['nfvi-metric'],
+ ns_id=nsr_id,
+ vdu_name=vdur['name'],
+ vnf_member_index=vnfr['member-vnf-index-ref'],
+ threshold=scaling_criteria['scale-out-threshold'],
+ operation=scaling_criteria['scale-out-relational-operation'],
+ statistic=vnf_monitoring_param['aggregation-type']
+ )
+ ScalingAlarm.create(
+ alarm_id=alarm_uuid,
+ action='scale_out',
+ vnf_member_index=int(vnfr['member-vnf-index-ref']),
+ vdu_name=vdur['name'],
+ scaling_criteria=scaling_criteria_record
+ )
+
+ except Exception as e:
+ log.exception("Error configuring scaling groups:")
+ if len(alarms_created) > 0:
+ log.info("Cleaning alarm resources in MON")
+ for alarm in alarms_created:
+ self.mon_client.delete_alarm(*alarm)
+ raise e
projects / osm / POL.git / blobdiff