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#!/usr/bin/env python3
# ============LICENSE_START=======================================================
# Copyright (c) 2017-2018 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#
# Author Gokul Singaraju gs244f@att.com
#
import sys
import yaml
import multiprocessing
import logging
import subprocess
from miss_htbt_service import get_logger
#Checks heartbeat by calling worker thread
def checkhtbt(mr_url, misshtbt,intvl,intopic,outtopic):
print('Doing some work',mr_url, misshtbt,intvl,intopic,outtopic)
subprocess.call(["/usr/bin/python","./miss_htbt_service/htbtworker.py" , mr_url , str(misshtbt) , str(intvl) , intopic , outtopic])
sys.stdout.flush()
return
_logger = get_logger(__name__)
#main functon which reads yaml config and invokes heartbeat
#monitoring
if __name__ == '__main__':
try:
print("Heartbeat Microservice ...")
multiprocessing.log_to_stderr()
logger = multiprocessing.get_logger()
logger.setLevel(logging.INFO)
with open("./miss_htbt_service/config/config.yaml", 'r') as ymlfile:
cfg = yaml.load(ymlfile)
# Put some initial values into the queue
for section in cfg:
print(section)
#print(cfg['global'])
#print(cfg['global']['message_router_url'])
jobs = []
for vnf in (cfg['vnfs']):
print(cfg['vnfs'][vnf])
#print(cfg['vnfs'][vnf][0])
#print(cfg['vnfs'][vnf][1])
#print(cfg['vnfs'][vnf][2])
#Start Heartbeat monitoring process worker thread on VNFs configured
p = multiprocessing.Process(target=checkhtbt, args=(cfg['global']['message_router_url'],cfg['vnfs'][vnf][0],cfg['vnfs'][vnf][1],cfg['vnfs'][vnf][2],cfg['vnfs'][vnf][3]))
jobs.append(p)
p.start()
for j in jobs:
j.join()
print('%s.exitcode = %s' % (j.name, j.exitcode))
except Exception as e:
_logger.error("Fatal error. Could not start missing heartbeat service due to: {0}".format(e))
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