basic_deployment.py 文件源码

def is_port_open(self, unit=None, port='3306', address=None):
        if unit:
            addr = unit.info['public-address']
        elif address:
            addr = address
        else:
            raise Exception('Please provide a unit or address')

        try:
            telnetlib.Telnet(addr, port)
            return True
        except socket.error as e:
            if e.errno == 113:
                self.log.error("could not connect to %s:%s" % (addr, port))
            if e.errno == 111:
                self.log.error("connection refused connecting"
                               " to %s:%s" % (addr,
                                              port))
            return False