# 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
+from enum import Enum
import logging
+import time
from typing import List
+from ceilometerclient import client as ceilometer_client
+from ceilometerclient.exc import HTTPException
import gnocchiclient.exceptions
from gnocchiclient.v1 import client as gnocchi_client
-from keystoneauth1 import session
-from keystoneauth1.identity import v3
+from keystoneauth1.exceptions.catalog import EndpointNotFound
+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.openstack import OpenstackUtils
from osm_mon.collector.vnf_collectors.base_vim import BaseVimCollector
from osm_mon.collector.vnf_metric import VnfMetric
-from osm_mon.core.auth import AuthManager
from osm_mon.core.common_db import CommonDbClient
-from osm_mon.core.settings import Config
+from osm_mon.core.config import Config
+
log = logging.getLogger(__name__)
METRIC_MAPPINGS = {
"average_memory_utilization": "memory.usage",
- "disk_read_ops": "disk.read.requests",
- "disk_write_ops": "disk.write.requests",
- "disk_read_bytes": "disk.read.bytes",
- "disk_write_bytes": "disk.write.bytes",
- "packets_dropped": "interface.if_dropped",
- "packets_received": "interface.if_packets",
- "packets_sent": "interface.if_packets",
- "cpu_utilization": "cpu_util",
+ "disk_read_ops": "disk.read.requests.rate",
+ "disk_write_ops": "disk.write.requests.rate",
+ "disk_read_bytes": "disk.read.bytes.rate",
+ "disk_write_bytes": "disk.write.bytes.rate",
+ "packets_in_dropped": "network.outgoing.packets.drop",
+ "packets_out_dropped": "network.incoming.packets.drop",
+ "packets_received": "network.incoming.packets.rate",
+ "packets_sent": "network.outgoing.packets.rate",
+ "cpu_utilization": "cpu",
+}
+
+# Metrics which have new names in Rocky and higher releases
+METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES = {
+ "disk_read_ops": "disk.device.read.requests",
+ "disk_write_ops": "disk.device.write.requests",
+ "disk_read_bytes": "disk.device.read.bytes",
+ "disk_write_bytes": "disk.device.write.bytes",
+ "packets_received": "network.incoming.packets",
+ "packets_sent": "network.outgoing.packets"
}
+METRIC_MULTIPLIERS = {"cpu": 0.0000001}
+
+METRIC_AGGREGATORS = {"cpu": "rate:mean"}
+
+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, vim_account_id: str):
- super().__init__(vim_account_id)
- self.common_db = CommonDbClient()
- self.auth_manager = AuthManager()
- self.granularity = self._get_granularity(vim_account_id)
- self.gnocchi_client = self._build_gnocchi_client(vim_account_id)
-
- def _get_resource_uuid(self, nsr_id, vnf_member_index, vdur_name) -> str:
+ def __init__(self, config: Config, vim_account_id: str, vim_session: object):
+ super().__init__(config, vim_account_id)
+ self.common_db = CommonDbClient(config)
+ vim_account = self.common_db.get_vim_account(vim_account_id)
+ self.backend = self._get_backend(vim_account, vim_session)
+
+ def _build_keystone_client(self, vim_account: dict) -> keystone_client.Client:
+ sess = OpenstackUtils.get_session(vim_account)
+ 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 = self.auth_manager.get_credentials(vim_account_id)
- verify_ssl = self.auth_manager.is_verify_ssl(vim_account_id)
- 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 _get_granularity(self, vim_account_id: str):
- creds = self.auth_manager.get_credentials(vim_account_id)
- vim_config = json.loads(creds.config)
- if 'granularity' in vim_config:
- return int(vim_config['granularity'])
- else:
- cfg = Config.instance()
- return cfg.OS_DEFAULT_GRANULARITY
+ return vdur["vim-id"]
def collect(self, vnfr: dict) -> List[Metric]:
- nsr_id = vnfr['nsr-id-ref']
- vnf_member_index = vnfr['member-vnf-index-ref']
- vnfd = self.common_db.get_vnfd(vnfr['vnfd-id'])
+ nsr_id = vnfr["nsr-id-ref"]
+ vnf_member_index = vnfr["member-vnf-index-ref"]
+ vnfd = self.common_db.get_vnfd(vnfr["vnfd-id"])
+ # Populate extra tags for metrics
+ tags = {}
+ tags["ns_name"] = self.common_db.get_nsr(nsr_id)["name"]
+ if vnfr["_admin"]["projects_read"]:
+ tags["project_id"] = vnfr["_admin"]["projects_read"][0]
+ else:
+ tags["project_id"] = ""
+
metrics = []
- for vdur in vnfr['vdur']:
+
+ for vdur in vnfr["vdur"]:
# This avoids errors when vdur records have not been completely filled
- if 'name' not in vdur:
+ if "name" not in vdur:
continue
- vdu = next(
- filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu'])
- )
- if 'monitoring-param' in vdu:
- for param in vdu['monitoring-param']:
- metric_name = param['nfvi-metric']
- gnocchi_metric_name = METRIC_MAPPINGS[metric_name]
- delta = 10 * self.granularity
- start_date = datetime.datetime.now() - datetime.timedelta(seconds=delta)
- resource_id = self._get_resource_uuid(nsr_id, vnf_member_index, vdur['name'])
+ vdu = next(filter(lambda vdu: vdu["id"] == vdur["vdu-id-ref"], vnfd["vdu"]))
+ if "monitoring-parameter" in vdu:
+ for param in vdu["monitoring-parameter"]:
+ metric_name = param["performance-metric"]
+ openstack_metric_name = METRIC_MAPPINGS[metric_name]
+ metric_type = self._get_metric_type(metric_name)
try:
- measures = self.gnocchi_client.metric.get_measures(gnocchi_metric_name,
- start=start_date,
- resource_id=resource_id,
- granularity=self.granularity)
- if len(measures):
- metric = VnfMetric(nsr_id, vnf_member_index, vdur['name'], metric_name, measures[-1][2])
+ resource_id = self._get_resource_uuid(
+ nsr_id, vnf_member_index, vdur["name"]
+ )
+ except ValueError:
+ log.warning(
+ "Could not find resource_uuid for vdur %s, vnf_member_index %s, nsr_id %s. "
+ "Was it recently deleted?",
+ vdur["name"],
+ vnf_member_index,
+ nsr_id,
+ )
+ continue
+ try:
+ log.info(
+ "Collecting metric type: %s and metric_name: %s and resource_id %s and ",
+ metric_type,
+ metric_name,
+ resource_id,
+ )
+ value = self.backend.collect_metric(
+ metric_type, openstack_metric_name, resource_id
+ )
+
+ if value is None and metric_name in METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES:
+ # Reattempting metric collection with new metric names.
+ # Some metric names have changed in newer Openstack releases
+ log.info(
+ "Reattempting metric collection for type: %s and name: %s and resource_id %s",
+ metric_type,
+ metric_name,
+ resource_id
+ )
+ openstack_metric_name = METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES[metric_name]
+ value = self.backend.collect_metric(
+ metric_type, openstack_metric_name, resource_id
+ )
+ if value is not None:
+ log.info("value: %s", value)
+ metric = VnfMetric(
+ nsr_id,
+ vnf_member_index,
+ vdur["name"],
+ metric_name,
+ value,
+ tags,
+ )
metrics.append(metric)
- except gnocchiclient.exceptions.NotFound as e:
- log.debug("No metric found: %s", e)
- pass
+ else:
+ log.info("metric value is empty")
+ except Exception as e:
+ log.exception(
+ "Error collecting metric %s for vdu %s"
+ % (metric_name, vdur["name"])
+ )
+ log.info("Error in metric collection: %s" % e)
return metrics
+
+ def _get_backend(self, vim_account: dict, vim_session: object):
+ try:
+ gnocchi = GnocchiBackend(vim_account, vim_session)
+ gnocchi.client.metric.list(limit=1)
+ log.info("Using gnocchi backend to collect metric")
+ return gnocchi
+ except (HTTPException, EndpointNotFound):
+ ceilometer = CeilometerBackend(vim_account, vim_session)
+ ceilometer.client.capabilities.get()
+ log.info("Using ceilometer backend to collect metric")
+ return ceilometer
+
+ def _get_metric_type(self, metric_name: str) -> MetricType:
+ if metric_name not in INTERFACE_METRICS:
+ return MetricType.INSTANCE
+ else:
+ return MetricType.INTERFACE_ALL
+
+
+class OpenstackBackend:
+ def collect_metric(
+ self, metric_type: MetricType, metric_name: str, resource_id: str
+ ):
+ pass
+
+
+class GnocchiBackend(OpenstackBackend):
+ def __init__(self, vim_account: dict, vim_session: object):
+ self.client = self._build_gnocchi_client(vim_account, vim_session)
+ self.neutron = self._build_neutron_client(vim_account, vim_session)
+
+ def _build_gnocchi_client(self, vim_account: dict, vim_session: object) -> gnocchi_client.Client:
+ return gnocchi_client.Client(session=vim_session)
+
+ def _build_neutron_client(self, vim_account: dict, vim_session: object) -> neutron_client.Client:
+ return neutron_client.Client(session=vim_session)
+
+ def collect_metric(
+ self, metric_type: MetricType, metric_name: str, resource_id: str
+ ):
+ 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_all_metric(self, openstack_metric_name, resource_id):
+ 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, resource_id=interface["id"], limit=1
+ )
+ if measures:
+ if not total_measure:
+ total_measure = 0.0
+ total_measure += measures[-1][2]
+ except (gnocchiclient.exceptions.NotFound, TypeError) as e:
+ # Gnocchi in some Openstack versions raise TypeError instead of NotFound
+ 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):
+ value = None
+ try:
+ aggregation = METRIC_AGGREGATORS.get(openstack_metric_name)
+
+ try:
+ measures = self.client.metric.get_measures(
+ openstack_metric_name,
+ aggregation=aggregation,
+ start=time.time() - 1200,
+ resource_id=resource_id,
+ )
+ if measures:
+ value = measures[-1][2]
+ except (
+ gnocchiclient.exceptions.NotFound,
+ gnocchiclient.exceptions.BadRequest,
+ TypeError,
+ ) as e:
+ # CPU metric in previous Openstack versions do not support rate:mean aggregation method
+ # Gnocchi in some Openstack versions raise TypeError instead of NotFound or BadRequest
+ if openstack_metric_name == "cpu":
+ log.debug(
+ "No metric %s found for instance %s: %s",
+ openstack_metric_name,
+ resource_id,
+ e,
+ )
+ log.info(
+ "Retrying to get metric %s for instance %s without aggregation",
+ openstack_metric_name,
+ resource_id,
+ )
+ measures = self.client.metric.get_measures(
+ openstack_metric_name, resource_id=resource_id, limit=1
+ )
+ else:
+ raise e
+ # measures[-1] is the last measure
+ # measures[-2] is the previous measure
+ # measures[x][2] is the value of the metric
+ if measures and len(measures) >= 2:
+ value = measures[-1][2] - measures[-2][2]
+ if value:
+ # measures[-1][0] is the time of the reporting interval
+ # measures[-1][1] is the duration of the reporting interval
+ if aggregation:
+ # If this is an aggregate, we need to divide the total over the reported time period.
+ # Even if the aggregation method is not supported by Openstack, the code will execute it
+ # because aggregation is specified in METRIC_AGGREGATORS
+ value = value / measures[-1][1]
+ if openstack_metric_name in METRIC_MULTIPLIERS:
+ value = value * METRIC_MULTIPLIERS[openstack_metric_name]
+ 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: dict, vim_session: object):
+ self.client = self._build_ceilometer_client(vim_account, vim_session)
+
+ def _build_ceilometer_client(self, vim_account: dict, vim_session: object) -> ceilometer_client.Client:
+ return ceilometer_client.Client("2", session=vim_session)
+
+ def collect_metric(
+ self, metric_type: MetricType, metric_name: str, resource_id: 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