import datetime
import json
import logging
+from enum import Enum
from typing import List
import gnocchiclient.exceptions
from ceilometerclient.v2 import client as ceilometer_client
from gnocchiclient.v1 import client as gnocchi_client
from keystoneauth1 import session
-from keystoneauth1.exceptions import EndpointNotFound
from keystoneauth1.identity import v3
+from keystoneclient.v3 import client as keystone_client
+from neutronclient.v2_0 import client as neutron_client
from osm_mon.collector.metric import Metric
from osm_mon.collector.utils import CollectorUtils
INTERFACE_METRICS = ['packets_in_dropped', 'packets_out_dropped', 'packets_received', 'packets_sent']
+class MetricType(Enum):
+ INSTANCE = 'instance'
+ INTERFACE_ALL = 'interface_all'
+ INTERFACE_ONE = 'interface_one'
+
+
class OpenstackCollector(BaseVimCollector):
def __init__(self, config: Config, vim_account_id: str):
super().__init__(config, vim_account_id)
self.conf = config
self.common_db = CommonDbClient(config)
self.backend = self._get_backend(vim_account_id)
- self.client = self._build_client(vim_account_id)
- self.granularity = self._get_granularity(vim_account_id)
- def _get_resource_uuid(self, nsr_id, vnf_member_index, vdur_name) -> str:
+ def _build_keystone_client(self, vim_account_id: str) -> keystone_client.Client:
+ sess = OpenstackBackend.get_session(vim_account_id)
+ return keystone_client.Client(session=sess)
+
+ def _get_resource_uuid(self, nsr_id: str, vnf_member_index: str, vdur_name: str) -> str:
vdur = self.common_db.get_vdur(nsr_id, vnf_member_index, vdur_name)
return vdur['vim-id']
- def _build_gnocchi_client(self, vim_account_id: str) -> gnocchi_client.Client:
- creds = CollectorUtils.get_credentials(vim_account_id)
- verify_ssl = CollectorUtils.is_verify_ssl(creds)
- auth = v3.Password(auth_url=creds.url,
- username=creds.user,
- password=creds.password,
- project_name=creds.tenant_name,
- project_domain_id='default',
- user_domain_id='default')
- sess = session.Session(auth=auth, verify=verify_ssl)
- return gnocchi_client.Client(session=sess)
-
- def _build_ceilometer_client(self, vim_account_id: str) -> ceilometer_client.Client:
- creds = CollectorUtils.get_credentials(vim_account_id)
- verify_ssl = CollectorUtils.is_verify_ssl(creds)
- auth = v3.Password(auth_url=creds.url,
- username=creds.user,
- password=creds.password,
- project_name=creds.tenant_name,
- project_domain_id='default',
- user_domain_id='default')
- sess = session.Session(auth=auth, verify=verify_ssl)
- return ceilometer_client.Client(session=sess)
-
- def _get_granularity(self, vim_account_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:
if 'monitoring-param' in vdu:
for param in vdu['monitoring-param']:
metric_name = param['nfvi-metric']
+ interface_name = param['interface-name-ref'] if 'interface-name-ref' in param else None
openstack_metric_name = METRIC_MAPPINGS[metric_name]
+ metric_type = self._get_metric_type(metric_name, interface_name)
try:
resource_id = self._get_resource_uuid(nsr_id, vnf_member_index, vdur['name'])
except ValueError:
"Was it recently deleted?",
vdur['name'], vnf_member_index, nsr_id)
continue
- if self.backend == 'ceilometer':
- measures = self.client.samples.list(meter_name=openstack_metric_name, limit=1, q=[
- {'field': 'resource_id', 'op': 'eq', 'value': resource_id}])
- if measures:
- metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name,
- measures[0].counter_volume)
- metrics.append(metric)
- if self.backend == 'gnocchi':
- delta = 10 * self.granularity
- start_date = datetime.datetime.now() - datetime.timedelta(seconds=delta)
- if metric_name in INTERFACE_METRICS:
- 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)
- if measures:
- if not total_measure:
- total_measure = 0.0
- total_measure += measures[-1][2]
-
- except gnocchiclient.exceptions.NotFound as e:
- log.debug("No metric %s found for interface %s: %s", openstack_metric_name,
- interface['id'], e)
- if total_measure:
- metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name,
- total_measure)
- metrics.append(metric)
- else:
- try:
- measures = self.client.metric.get_measures(openstack_metric_name,
- start=start_date,
- resource_id=resource_id,
- granularity=self.granularity)
- if measures:
- metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name,
- measures[-1][2])
- metrics.append(metric)
- except gnocchiclient.exceptions.NotFound as e:
- log.debug("No metric %s found for instance %s: %s", openstack_metric_name, resource_id,
- e)
-
- else:
- raise Exception('Unknown client class: %s', self.client)
+ 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)
return metrics
- def _build_client(self, vim_account_id):
- if self.backend == 'ceilometer':
- return self._build_ceilometer_client(vim_account_id)
- elif self.backend == 'gnocchi':
- return self._build_gnocchi_client(vim_account_id)
+ 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)
+
+ def _get_metric_type(self, metric_name: str, interface_name: str) -> MetricType:
+ if metric_name not in INTERFACE_METRICS:
+ return MetricType.INSTANCE
else:
- raise Exception('Unknown metric backend: %s', self.backend)
+ if interface_name:
+ return MetricType.INTERFACE_ONE
+ return MetricType.INTERFACE_ALL
- def _get_backend(self, vim_account_id):
- try:
- gnocchi = self._build_gnocchi_client(vim_account_id)
- gnocchi.resource.list(limit=1)
- return 'gnocchi'
- except EndpointNotFound:
+
+class OpenstackBackend:
+ def collect_metric(self, metric_type: MetricType, metric_name: str, resource_id: str, interface_name: str):
+ pass
+
+ @staticmethod
+ def get_session(vim_account_id: str):
+ creds = CollectorUtils.get_credentials(vim_account_id)
+ verify_ssl = CollectorUtils.is_verify_ssl(creds)
+ auth = v3.Password(auth_url=creds.url,
+ username=creds.user,
+ password=creds.password,
+ project_name=creds.tenant_name,
+ project_domain_id='default',
+ user_domain_id='default')
+ return session.Session(auth=auth, verify=verify_ssl)
+
+
+class GnocchiBackend(OpenstackBackend):
+
+ def __init__(self, vim_account_id: str, granularity: int):
+ 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)
+ return gnocchi_client.Client(session=sess)
+
+ def _build_neutron_client(self, vim_account_id: str) -> neutron_client.Client:
+ sess = OpenstackBackend.get_session(vim_account_id)
+ return neutron_client.Client(session=sess)
+
+ def collect_metric(self, metric_type: MetricType, metric_name: str, resource_id: str, interface_name: str):
+ if metric_type == MetricType.INTERFACE_ONE:
+ return self._collect_interface_one_metric(metric_name, resource_id, interface_name)
+
+ if metric_type == MetricType.INTERFACE_ALL:
+ return self._collect_interface_all_metric(metric_name, resource_id)
+
+ elif metric_type == MetricType.INSTANCE:
+ return self._collect_instance_metric(metric_name, resource_id)
+
+ else:
+ 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(
+ 'Port not found for interface %s on instance %s' % (interface_name, resource_id))
+ port = ports['ports'][0]
+ port_uuid = port['id'][:11]
+ tap_name = 'tap' + port_uuid
+ 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)
+ 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:
- ceilometer = self._build_ceilometer_client(vim_account_id)
- ceilometer.resources.list(limit=1)
- return 'ceilometer'
- except Exception:
- log.exception('Error trying to determine metric backend')
- raise Exception('Could not determine metric backend')
+ measures = self.client.metric.get_measures(openstack_metric_name,
+ start=start_date,
+ resource_id=interface['id'],
+ granularity=self.granularity)
+ if measures:
+ if not total_measure:
+ total_measure = 0.0
+ total_measure += measures[-1][2]
+
+ except gnocchiclient.exceptions.NotFound as e:
+ log.debug("No metric %s found for interface %s: %s", openstack_metric_name,
+ interface['id'], e)
+ 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)
+ if measures:
+ value = measures[-1][2]
+ except gnocchiclient.exceptions.NotFound as e:
+ log.debug("No metric %s found for instance %s: %s", openstack_metric_name, resource_id,
+ e)
+ return value
+
+
+class CeilometerBackend(OpenstackBackend):
+ def __init__(self, vim_account_id: str):
+ self.client = self._build_ceilometer_client(vim_account_id)
+
+ def _build_ceilometer_client(self, vim_account_id: str) -> ceilometer_client.Client:
+ sess = OpenstackBackend.get_session(vim_account_id)
+ return ceilometer_client.Client(session=sess)
+
+ def collect_metric(self, metric_type: MetricType, metric_name: str, resource_id: str, interface_name: str):
+ if metric_type != MetricType.INSTANCE:
+ raise NotImplementedError('Ceilometer backend only support instance metrics')
+ measures = self.client.samples.list(meter_name=metric_name, limit=1, q=[
+ {'field': 'resource_id', 'op': 'eq', 'value': resource_id}])
+ return measures[0].counter_volume if measures else None
projects / osm / MON.git / blobdiff