def init_cfg():
    cli_opts = [
            cfg.StrOpt('neutron_conf',
                       default='/etc/neutron/neutron.conf',
                       help='Neutron configuration file'))
    ]

    cfg.CONF.register_cli_opts(cli_opts)
    cfg.CONF(args=sys.argv[1:],
            project=Constants.PROJECT,
            prog=Constants.PROGRAM,
            version=Constants.VERSION,
            usage=Constants.USAGE,
            default_config_files=[cfg.CONF.neutron_conf])

    LOG.info("Config initialized")