'Init the connection to the OpenTSDB server.'

def init(self):

    if (not self.export_enable):
        return None
    try:
        db = potsdb.Client(self.host, port=int(self.port), check_host=True)
    except Exception as e:
        logger.critical(('Cannot    connect    to    OpenTSDB    server    %s:%s    (%s)' % (self.host, self.port, e)))
        sys.exit(2)
    return db
