# 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
from enum import Enum
from typing import List
from ceilometerclient.v2 import client as ceilometer_client
from gnocchiclient.v1 import client as gnocchi_client
from keystoneauth1 import session
+from keystoneauth1.exceptions.catalog import EndpointNotFound
from keystoneauth1.identity import v3
from keystoneclient.v3 import client as keystone_client
from neutronclient.v2_0 import client as neutron_client
vdur = self.common_db.get_vdur(nsr_id, vnf_member_index, vdur_name)
return vdur['vim-id']
- def _get_granularity(self, vim_account_id: str):
- creds = CollectorUtils.get_credentials(vim_account_id)
- vim_config = json.loads(creds.config)
- if 'granularity' in vim_config:
- return int(vim_config['granularity'])
- else:
- return int(self.conf.get('openstack', 'default_granularity'))
-
def collect(self, vnfr: dict) -> List[Metric]:
nsr_id = vnfr['nsr-id-ref']
vnf_member_index = vnfr['member-vnf-index-ref']
"Was it recently deleted?",
vdur['name'], vnf_member_index, nsr_id)
continue
- value = self.backend.collect_metric(metric_type, openstack_metric_name, resource_id, interface_name)
- if value is not None:
- metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name, value)
- metrics.append(metric)
+ try:
+ value = self.backend.collect_metric(metric_type, openstack_metric_name, resource_id,
+ interface_name)
+ if value is not None:
+ tags = {}
+ if interface_name:
+ tags['interface'] = interface_name
+ metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name, value, tags)
+ metrics.append(metric)
+ except Exception:
+ log.exception("Error collecting metric %s for vdu %s" % (metric_name, vdur['name']))
return metrics
def _get_backend(self, vim_account_id: str):
- keystone = self._build_keystone_client(vim_account_id)
- if keystone.services.list('gnocchi'):
- granularity = self._get_granularity(vim_account_id)
- return GnocchiBackend(vim_account_id, granularity)
- elif keystone.services.list('ceilometer'):
- return CeilometerBackend(vim_account_id)
+ try:
+ ceilometer = CeilometerBackend(vim_account_id)
+ ceilometer.client.capabilities.get()
+ return ceilometer
+ except EndpointNotFound:
+ gnocchi = GnocchiBackend(vim_account_id)
+ gnocchi.client.status.get()
+ return gnocchi
def _get_metric_type(self, metric_name: str, interface_name: str) -> MetricType:
if metric_name not in INTERFACE_METRICS:
class GnocchiBackend(OpenstackBackend):
- def __init__(self, vim_account_id: str, granularity: int):
+ def __init__(self, vim_account_id: str):
self.client = self._build_gnocchi_client(vim_account_id)
self.neutron = self._build_neutron_client(vim_account_id)
- self.granularity = granularity
def _build_gnocchi_client(self, vim_account_id: str) -> gnocchi_client.Client:
sess = OpenstackBackend.get_session(vim_account_id)
raise Exception('Unknown metric type %s' % metric_type.value)
def _collect_interface_one_metric(self, metric_name, resource_id, interface_name):
- delta = 10 * self.granularity
- start_date = datetime.datetime.now() - datetime.timedelta(seconds=delta)
ports = self.neutron.list_ports(name=interface_name, device_id=resource_id)
if not ports or not ports['ports']:
raise Exception(
interfaces = self.client.resource.search(resource_type='instance_network_interface',
query={'=': {'name': tap_name}})
measures = self.client.metric.get_measures(metric_name,
- start=start_date,
resource_id=interfaces[0]['id'],
- granularity=self.granularity)
+ limit=1)
return measures[-1][2] if measures else None
def _collect_interface_all_metric(self, openstack_metric_name, resource_id):
- delta = 10 * self.granularity
- start_date = datetime.datetime.now() - datetime.timedelta(seconds=delta)
total_measure = None
interfaces = self.client.resource.search(resource_type='instance_network_interface',
query={'=': {'instance_id': resource_id}})
for interface in interfaces:
try:
measures = self.client.metric.get_measures(openstack_metric_name,
- start=start_date,
resource_id=interface['id'],
- granularity=self.granularity)
+ limit=1)
if measures:
if not total_measure:
total_measure = 0.0
return total_measure
def _collect_instance_metric(self, openstack_metric_name, resource_id):
- delta = 10 * self.granularity
- start_date = datetime.datetime.now() - datetime.timedelta(seconds=delta)
value = None
try:
measures = self.client.metric.get_measures(openstack_metric_name,
- start=start_date,
resource_id=resource_id,
- granularity=self.granularity)
+ limit=1)
if measures:
value = measures[-1][2]
except gnocchiclient.exceptions.NotFound as e: