77 lines
2.8 KiB
Python
Executable File
77 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Used for manually querying/setting offsets associated with the monasca_notification daemon.
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This should only be used in unusual circumstances to force reprocessing or skip alarms.
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"""
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import argparse
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import json
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import logging
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import sys
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import yaml
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from monasca_notification import state_tracker
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def listener():
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"""Simple listener for KafkaStateTracker
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"""
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sys.exit(1)
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def main():
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# Parse args
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parser = argparse.ArgumentParser(description="Query and set(DANGEROUS) monasca_notification kafka offsets\n")
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parser.add_argument('--config', '-c', default='/etc/monasca/notification.yaml', help='Configuration File')
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# Either list or set not both
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument('--list', '-l', action='store_true')
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group.add_argument('--set-offsets', '-s',
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help='A json style dictionary of partition:offset ie {"0": "0", "1": "2", "2": "3"}' +
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"Only specified partitions are set")
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args = parser.parse_args()
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# Silence most logging from monasca_notification
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logging.basicConfig(level=logging.CRITICAL)
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# Parse config and setup state tracker
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config = yaml.load(open(args.config, 'r'))
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tracker = state_tracker.KafkaStateTracker(None, config['kafka']['url'], config['kafka']['group'],
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config['kafka']['alarm_topic'], config['kafka']['max_offset_lag'],
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config['zookeeper']['url'])
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if args.list:
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print(json.dumps(tracker.offsets))
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else:
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offsets = json.loads(args.set_offsets)
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raw_input("Warning setting offset will affect the behavior of the next notification engine to run.\n" +
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"\tCtrl-C to exit, enter to continue")
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print("All running monasca_notification daemons must be shutdown to allow this process to grab the lock.")
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log = logging.getLogger('monasca_notification.state_tracker')
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log.setLevel(logging.DEBUG)
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tracker.lock(listener)
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for partition in offsets.iterkeys():
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tracker.update_offset(int(partition), int(offsets[partition]))
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if __name__ == "__main__":
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sys.exit(main())
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