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rucio-conveyor-poller
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rucio-conveyor-poller
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#!/usr/bin/env python3
# Copyright European Organization for Nuclear Research (CERN) since 2012
#
# 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.
"""
Conveyor is a daemon to manage file transfers.
"""
import argparse
import signal
from rucio.daemons.conveyor.poller import run, stop
def get_parser():
"""
Returns the argparse parser.
"""
parser = argparse.ArgumentParser(description="Conveyor is a daemon to manage file transfers. The conveyor-poller is in charge of poll the transfer tool to check if the submitted transfers are already done.")
parser.add_argument("--run-once", action="store_true", default=False,
help='One iteration only')
parser.add_argument("--fts-bulk", action="store", default=100, type=int,
help='Bulk control: number of transfers per FTS query')
parser.add_argument("--db-bulk", action="store", default=1000, type=int,
help='Bulk control: number of transfers per db query')
parser.add_argument("--older-than", action="store", default=60, type=int,
help='Poll control: older request more than this value to poll')
parser.add_argument('--sleep-time', action="store", default=300, type=int,
help='Seconds to sleep if few requests')
parser.add_argument('--activities', nargs='+', type=str,
help='Explicit list of activities to include')
parser.add_argument('--activity-shares', action='store', default=None, type=str,
help='JSON-encoded string of an activity shares dictionary {"act_1": 0.2, "act_2": 0.4, ...}')
parser.add_argument('--total-threads', action="store", default=1, type=int,
help='Concurrency control: total number of threads for this process')
return parser
if __name__ == "__main__":
signal.signal(signal.SIGTERM, stop)
parser = get_parser()
args = parser.parse_args()
try:
run(once=args.run_once,
fts_bulk=args.fts_bulk,
db_bulk=args.db_bulk,
older_than=args.older_than,
sleep_time=args.sleep_time,
activities=args.activities,
activity_shares=args.activity_shares,
total_threads=args.total_threads)
except KeyboardInterrupt:
stop()