# Copyright (c) 2014 OpenStack Foundation.
# 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.
#
# @author: Jia Dong, HuaWei

"""
Reference implementation server for Glance Sync
"""

import eventlet
import os
import sys

from oslo.config import cfg

# Monkey patch socket and time
eventlet.patcher.monkey_patch(all=False, socket=True, time=True, thread=True)

# If ../glance/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
                                                os.pardir,
                                                os.pardir))
if os.path.exists(os.path.join(possible_topdir, 'glance', '__init__.py')):
    sys.path.insert(0, possible_topdir)

from glance.common import config
from glance.common import exception
from glance.common import wsgi
from glance.openstack.common import log
import glance.sync


def main():
    try:
        config.parse_args(default_config_files='glance-sync.conf')
        log.setup('glance')

        server = wsgi.Server()
        server.start(config.load_paste_app('glance-sync'), default_port=9595)
        server.wait()
    except RuntimeError as e:
        sys.exit("ERROR: %s" % e)


if __name__ == '__main__':
    main()