publish-queue

#!/usr/bin/env python3

# This file is part of Cockpit.
#
# Copyright (C) 2021 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.

import argparse
import sys

import pika

from task import distributed_queue


def main() -> int:
    parser = argparse.ArgumentParser(description='Publish stdin data to an AMQP task queue')
    parser.add_argument('-q', '--queue', required=True,
                        help='Queue name')
    parser.add_argument('--amqp', default=distributed_queue.DEFAULT_AMQP_SERVER,
                        help='The host:port of the AMQP server to publish to (default: %(default)s)')
    parser.add_argument('--secrets-dir', default=distributed_queue.DEFAULT_SECRETS_DIR,
                        help='Directory with ca.pem and amqp-client.{pem,key} (default: %(default)s)')
    parser.add_argument('--create', action='store_true',
                        help='Create the queue if it does not exist yet')
    opts = parser.parse_args()

    with distributed_queue.DistributedQueue(opts.amqp, [opts.queue], secrets_dir=opts.secrets_dir,
                                            passive=not opts.create) as q:
        body = sys.stdin.read().strip()
        q.channel.basic_publish('', opts.queue, body=body,
                                properties=pika.BasicProperties(priority=distributed_queue.MAX_PRIORITY))

    return 0


if __name__ == '__main__':
    sys.exit(main())