#!/usr/bin/env python

# Copyright 2014 Mirantis Inc.
# 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.

import multiprocessing
import os
import sys
from oslo.config import cfg

CONF = cfg.ConfigOpts()
common_opts = [
    cfg.StrOpt('api_paste_config',
               help=('File name for the paste.deploy'
                     ' config for magnetodb-streaming-api')),

    cfg.StrOpt('bind_host'),

    cfg.IntOpt('bind_port'),

    cfg.IntOpt('magnetodb_api_workers', default=multiprocessing.cpu_count()),
]

CONF.register_opts(common_opts)

if __name__ == '__main__':
    from magnetodb.common import PROJECT_NAME
    prog_name = os.path.basename(sys.argv[0])
    CONF(project=PROJECT_NAME, prog=prog_name, args=sys.argv[1:])

    api_paste_config_file = CONF.find_file(CONF.api_paste_config)

    os.system(
        "gunicorn "
        "--bind {}:{} "
        "--workers {} "
        "--worker-class eventlet "
        "--paste {}".format(
            CONF.bind_host, CONF.bind_port, CONF.magnetodb_api_workers,
            api_paste_config_file
        )
    )
