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##############################################################################
# Copyright (c) 2017 ZTE Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import os
import shutil
import yaml
ep_file = '/etc/ceilometer/event_pipeline.yaml'
ep_file_bak = '/etc/ceilometer/event_pipeline.yaml.bak'
event_notifier_topic = 'notifier://?topic=alarm.all'
def set_notifier_topic():
config_modified = False
if not os.path.isfile(ep_file):
raise Exception("File doesn't exist: %s." % ep_file)
with open(ep_file, 'r') as file:
config = yaml.safe_load(file)
sinks = config['sinks']
for sink in sinks:
if sink['name'] == 'event_sink':
publishers = sink['publishers']
if event_notifier_topic not in publishers:
print('Add event notifier in ceilometer')
publishers.append(event_notifier_topic)
config_modified = True
else:
print('NOTE: event notifier is configured in ceilometer as we needed')
if config_modified:
shutil.copyfile(ep_file, ep_file_bak)
with open(ep_file, 'w+') as file:
file.write(yaml.safe_dump(config))
set_notifier_topic()
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