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# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# 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.
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import os, grpc, logging, random
from influxdb import InfluxDBClient
from common.rpc_method_wrapper.Decorator import create_metrics, safe_and_metered_rpc_method
from context.client.ContextClient import ContextClient
from context.Config import GRPC_SERVICE_PORT as CONTEXT_GRPC_SERVICE_PORT
from monitoring.client.monitoring_client import MonitoringClient
from monitoring.Config import GRPC_SERVICE_PORT as MONITORING_GRPC_SERVICE_PORT
from service.client.ServiceClient import ServiceClient
from service.Config import GRPC_SERVICE_PORT as SERVICE_GRPC_SERVICE_PORT
from dbscanserving.proto.dbscanserving_pb2 import DetectionRequest, DetectionResponse, Sample
from dbscanserving.client.DbscanServingClient import DbscanServingClient
from dbscanserving.Config import GRPC_SERVICE_PORT as DBSCANSERVING_GRPC_SERVICE_PORT
from opticalattackmitigator.client.OpticalAttackMitigatorClient import OpticalAttackMitigatorClient
from opticalattackmitigator.proto.optical_attack_mitigator_pb2 import AttackDescription, AttackResponse
from opticalattackmitigator.Config import GRPC_SERVICE_PORT as ATTACK_MITIGATOR_GRPC_SERVICE_PORT
from opticalcentralizedattackdetector.proto.context_pb2 import (Empty,
Context, ContextId, ContextIdList, ContextList,
Service, ServiceId, ServiceIdList, ServiceList
)
from opticalcentralizedattackdetector.proto.monitoring_pb2 import KpiList
from opticalcentralizedattackdetector.proto.optical_centralized_attack_detector_pb2_grpc import (
OpticalCentralizedAttackDetectorServiceServicer)
from opticalcentralizedattackdetector.Config import (
CONTEXT_SERVICE_ADDRESS, SERVICE_SERVICE_ADDRESS, INFERENCE_SERVICE_ADDRESS, MONITORING_SERVICE_ADDRESS,
ATTACK_MITIGATOR_SERVICE_ADDRESS)
LOGGER = logging.getLogger(__name__)
SERVICE_NAME = 'OpticalCentralizedAttackDetector'
METHOD_NAMES = ['NotifyServiceUpdate', 'DetectAttack', 'ReportSummarizedKpi', 'ReportKpi']
METRICS = create_metrics(SERVICE_NAME, METHOD_NAMES)
INFLUXDB_HOSTNAME = os.environ.get("INFLUXDB_HOSTNAME")
INFLUXDB_USER = os.environ.get("INFLUXDB_USER")
INFLUXDB_PASSWORD = os.environ.get("INFLUXDB_PASSWORD")
INFLUXDB_DATABASE = os.environ.get("INFLUXDB_DATABASE")
context_client: ContextClient = ContextClient(address=CONTEXT_SERVICE_ADDRESS, port=CONTEXT_GRPC_SERVICE_PORT)
influxdb_client: InfluxDBClient = InfluxDBClient(host=MONITORING_SERVICE_ADDRESS, port=8086, username=INFLUXDB_USER, password=INFLUXDB_PASSWORD, database=INFLUXDB_DATABASE)
monitoring_client: MonitoringClient = MonitoringClient(server=MONITORING_SERVICE_ADDRESS, port=MONITORING_GRPC_SERVICE_PORT)
dbscanserving_client: DbscanServingClient = DbscanServingClient(address=INFERENCE_SERVICE_ADDRESS, port=DBSCANSERVING_GRPC_SERVICE_PORT)
service_client: ServiceClient = ServiceClient(SERVICE_SERVICE_ADDRESS, SERVICE_GRPC_SERVICE_PORT)
attack_mitigator_client: OpticalAttackMitigatorClient = OpticalAttackMitigatorClient(address=ATTACK_MITIGATOR_SERVICE_ADDRESS, port=ATTACK_MITIGATOR_GRPC_SERVICE_PORT)
class OpticalCentralizedAttackDetectorServiceServicerImpl(OpticalCentralizedAttackDetectorServiceServicer):
def __init__(self):
LOGGER.debug('Creating Servicer...')
LOGGER.debug('Servicer Created')
@safe_and_metered_rpc_method(METRICS, LOGGER)
def NotifyServiceUpdate(self, request : Service, context : grpc.ServicerContext) -> Empty:
return Empty()
@safe_and_metered_rpc_method(METRICS, LOGGER)
def DetectAttack(self, request : Empty, context : grpc.ServicerContext) -> Empty:
# retrieve list with current contexts
# import pdb; pdb.set_trace()
context_ids: ContextIdList = context_client.ListContextIds(Empty())
# for each context, retrieve list of current services
services = []
for context_id in context_ids.context_ids:
context_services: ServiceIdList = context_client.ListServices(context_id)
for service in context_services.services:
services.append(service)
# get monitoring data for each of the current services
results = influxdb_client.query('select * from samples;')
for service in services:
for endpoint in service.service_endpoint_ids:
# get instant KPI for this endpoint
LOGGER.warning(f'service: {service.service_id.service_uuid.uuid}\t endpoint: {endpoint.endpoint_uuid.uuid}\tdevice: {endpoint.device_id.device_uuid.uuid}')
# how to get all KPIs for a particular device?
points = results.get_points(tags={'device_id': endpoint.device_id.device_uuid.uuid})
print('points:', points)
for point in points:
print('\t', point)
# run attack detection for every service
request: DetectionRequest = DetectionRequest()
request.num_samples = 310
request.num_features = 100
request.eps = 100.5
request.min_samples = 50
for _ in range(200):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(0., 10.))
request.samples.append(grpc_sample)
for _ in range(100):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(50., 60.))
request.samples.append(grpc_sample)
for _ in range(10):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(5000., 6000.))
request.samples.append(grpc_sample)
response: DetectionResponse = dbscanserving_client.Detect(request)
if -1 in response.cluster_indices: # attack detected
attack = AttackDescription()
attack.cs_id.uuid = service.service_id.service_uuid.uuid
response: AttackResponse = attack_mitigator_client.NotifyAttack(attack)
# if attack is detected, run the attack mitigator
return Empty()
@safe_and_metered_rpc_method(METRICS, LOGGER)
def ReportSummarizedKpi(self, request : KpiList, context : grpc.ServicerContext) -> Empty:
return Empty()
@safe_and_metered_rpc_method(METRICS, LOGGER)
def ReportKpi(self, request : KpiList, context : grpc.ServicerContext) -> Empty:
return Empty()