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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# do tests to verify the "grpc.ServicerContext" is required or not.
import logging, grpc
from common.method_wrappers.Decorator import MetricsPool, safe_and_metered_rpc_method
from common.proto.context_pb2 import Empty
from common.proto.kpi_manager_pb2_grpc import KpiManagerServiceServicer
from common.proto.kpi_manager_pb2 import KpiId, KpiDescriptor, KpiDescriptorFilter, KpiDescriptorList
from monitoring.service.NameMapping import NameMapping
# from monitoring.service import ManagementDBTools
from telemetry.database.managementDB import managementDB
from telemetry.database.TelemetryModel import Kpi as KpiModel
from common.proto.context_pb2 import DeviceId, LinkId, ServiceId, SliceId,\
ConnectionId, EndPointId
LOGGER = logging.getLogger(__name__)
METRICS_POOL = MetricsPool('Monitoring', 'KpiManager')
class KpiManagerServiceServicerImpl(KpiManagerServiceServicer):
def __init__(self, name_mapping : NameMapping):
LOGGER.info('Init KpiManagerService')
self.managementDBobj = managementDB()
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def SetKpiDescriptor(self, request: KpiDescriptor, grpc_context: grpc.ServicerContext # type: ignore
) -> KpiId: # type: ignore
try:
kpi_to_insert = KpiModel()
kpi_to_insert.kpi_id = request.kpi_id.kpi_id.uuid
kpi_to_insert.kpi_description = request.kpi_description
kpi_to_insert.kpi_sample_type = request.kpi_sample_type
kpi_to_insert.device_id = request.service_id.service_uuid.uuid
kpi_to_insert.endpoint_id = request.device_id.device_uuid.uuid
kpi_to_insert.service_id = request.slice_id.slice_uuid.uuid
kpi_to_insert.slice_id = request.endpoint_id.endpoint_uuid.uuid
kpi_to_insert.connection_id = request.connection_id.connection_uuid.uuid
# kpi_to_insert.link_id = request.link_id.link_id.uuid
self.managementDBobj.add_row_to_db(kpi_to_insert)
response.kpi_id.uuid = request.kpi_id.kpi_id.uuid
LOGGER.info("Added Row: {:}".format(response))
return response
except Exception as e:
LOGGER.info("Unable to create KpiModel class object. {:}".format(e))
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def GetKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext # type: ignore
) -> KpiDescriptor: # type: ignore
response = KpiDescriptor()
try:
kpi_id_to_search = request.kpi_id.uuid
row = self.managementDBobj.search_db_row_by_id(KpiModel, 'kpi_id', kpi_id_to_search)
if row is not None:
response.kpi_id.kpi_id.uuid = row.kpi_id
response.kpi_description = row.kpi_description
response.kpi_sample_type = row.kpi_sample_type
response.service_id.service_uuid.uuid = row.service_id
response.device_id.device_uuid.uuid = row.device_id
response.slice_id.slice_uuid.uuid = row.slice_id
response.endpoint_id.endpoint_uuid.uuid = row.endpoint_id
response.connection_id.connection_uuid.uuid = row.connection_id
return response
except Exception as e:
LOGGER.info('Unable to search kpi id. {:}'.format(e))
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def DeleteKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext
) -> Empty: # type: ignore
try:
kpi_id_to_search = request.kpi_id.uuid
self.managementDBobj.delete_db_row_by_id(KpiModel, 'kpi_id', kpi_id_to_search)
except Exception as e:
LOGGER.info('Unable to search kpi id. {:}'.format(e))
finally:
return Empty()
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
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def SelectKpiDescriptor(self, request: KpiDescriptorFilter, grpc_context: grpc.ServicerContext # type: ignore
) -> KpiDescriptorList: # type: ignore
response = KpiDescriptorList()
# LOGGER.info("Recevied requested Object: {:}".format(request))
# re-structre the filter. create dynamic filter
filter_to_apply = dict()
filter_to_apply['device_id'] = request.device_id[0].device_uuid.uuid
filter_to_apply['kpi_sample_type'] = request.kpi_sample_type[0]
try:
rows = self.managementDBobj.select_with_filter(KpiModel, **filter_to_apply)
except Exception as e:
LOGGER.info('Unable to apply filter on kpi descriptor. {:}'.format(e))
try:
if len(rows) != 0:
kpi_id_obj = KpiId()
device_id_obj = DeviceId()
endpoint_id_obj = EndPointId()
service_id_obj = ServiceId()
slice_id_obj = SliceId()
link_id_obj = LinkId()
for row in rows:
kpiDescriptor_obj = KpiDescriptor()
kpiDescriptor_obj.kpi_id.kpi_id.uuid = row.kpi_id
# kpiDescriptor_obj.kpi_description = row.kpi_description
response.kpi_descriptor_list.append(kpiDescriptor_obj)
return response
except Exception as e:
LOGGER.info('Unable to process response {:}'.format(e))
# @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
# def DeleteKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> Empty: # type: ignore
# kpi_id = int(request.kpi_id.uuid)
# kpi = self.management_db.get_KPI(kpi_id)
# if kpi:
# self.management_db.delete_KPI(kpi_id)
# else:
# LOGGER.info('DeleteKpi error: KpiID({:s}): not found in database'.format(str(kpi_id)))
# return Empty()
# @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
# def GetKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> KpiDescriptor: # type: ignore
# kpi_id = request.kpi_id.uuid
# kpi_db = self.management_db.get_KPI(int(kpi_id))
# kpiDescriptor = KpiDescriptor()
# if kpi_db is None:
# LOGGER.info('GetKpiDescriptor error: KpiID({:s}): not found in database'.format(str(kpi_id)))
# else:
# kpiDescriptor.kpi_description = kpi_db[1]
# kpiDescriptor.kpi_sample_type = kpi_db[2]
# kpiDescriptor.device_id.device_uuid.uuid = str(kpi_db[3])
# kpiDescriptor.endpoint_id.endpoint_uuid.uuid = str(kpi_db[4])
# kpiDescriptor.service_id.service_uuid.uuid = str(kpi_db[5])
# kpiDescriptor.slice_id.slice_uuid.uuid = str(kpi_db[6])
# kpiDescriptor.connection_id.connection_uuid.uuid = str(kpi_db[7])
# kpiDescriptor.link_id.link_uuid.uuid = str(kpi_db[8])
# return kpiDescriptor
# @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
# def SelectKpiDescriptor(self, request: KpiDescriptorFilter, grpc_context: grpc.ServicerContext) -> KpiDescriptorList: # type: ignore
# kpi_descriptor_list = KpiDescriptorList()
# data = self.management_db.get_KPIS()
# LOGGER.debug(f"data: {data}")
# for item in data:
# kpi_descriptor = KpiDescriptor()
# kpi_descriptor.kpi_id.kpi_id.uuid = str(item[0])
# kpi_descriptor.kpi_description = item[1]
# kpi_descriptor.kpi_sample_type = item[2]
# kpi_descriptor.device_id.device_uuid.uuid = str(item[3])
# kpi_descriptor.endpoint_id.endpoint_uuid.uuid = str(item[4])
# kpi_descriptor.service_id.service_uuid.uuid = str(item[5])
# kpi_descriptor.slice_id.slice_uuid.uuid = str(item[6])
# kpi_descriptor.connection_id.connection_uuid.uuid = str(item[7])
# kpi_descriptor.link_id.link_uuid.uuid = str(item[8])
# kpi_descriptor_list.kpi_descriptor_list.append(kpi_descriptor)
# return kpi_descriptor_list