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# Copyright 2017-present Open Networking Foundation
#
# 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.
import json
import os
import sys
from synchronizers.new_base.eventstep import EventStep
from synchronizers.new_base.modelaccessor import VOLTService, ONUDevice, Service, model_accessor
# from xos.exceptions import XOSValidationError
# Manually send the event
# import json
# from kafka import KafkaProducer
# event = json.dumps({
# 'status': 'activate',
# 'serial_number': 'BRCM1234',
# 'uni_port_of_id': 'of:00100101',
# 'of_dpid': 'of:109299321'
# })
# producer = KafkaProducer(bootstrap_servers="cord-kafka-kafka")
# producer.send("onu.events", event)
# producer.flush()
class ONUEventStep(EventStep):
topics = ["onu.events"]
technology = "kafka"
def __init__(self, *args, **kwargs):
super(ONUEventStep, self).__init__(*args, **kwargs)
def get_oss_service(self, onu_serial_number):
try:
onu = ONUDevice.objects.get(serial_number=onu_serial_number)
except IndexError as e:
raise Exception("No ONUDevice with serial_number %s is present in XOS" % onu_serial_number)
volt_service = onu.pon_port.olt_device.volt_service
service = Service.objects.get(id=volt_service.id)
osses = [s for s in service.provider_services if s.kind.lower() == "oss"]
if len(osses) > 1:
self.log.warn("More than one OSS found for %s" % volt_service.name)
try:
return osses[0].leaf_model
except IndexError as e:
return None
def handle_onu_activate_event(self, event):
oss = self.get_oss_service(event["serial_number"])
if not oss:
self.log.info("Not processing events as no OSS service is present (is it a provider of vOLT?")
else:
try:
oss.validate_onu(event)
except Exception, e:
self.log.exception("Failing to validate ONU in OSS Service %s" % oss.name)
raise e
def process_event(self, event):
value = json.loads(event.value)
self.log.info("onu.events: received event", value=value)
if value["status"] == "activate":
self.log.info("onu.events: activate onu", value=value)
self.handle_onu_activate_event(value)