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How to use nc_listen_host method in tempest

Best Python code snippet using tempest_python

remote_client.py

Source:remote_client.py

...131            LOG.error("Couldn't mke2fs")132            cmd_why = 'sudo ls -lR /dev'133            LOG.info("Contents of /dev: %s", self.exec_command(cmd_why))134            raise135    def nc_listen_host(self, port=80, protocol='tcp'):136        """Creates persistent nc server listening on the given TCP / UDP port137        :port: the port to start listening on.138        :protocol: the protocol used by the server. TCP by default.139        """140        udp = '-u' if protocol.lower() == 'udp' else ''141        cmd = "sudo nc %(udp)s -p %(port)s -lk -e echo foolish &" % {142            'udp': udp, 'port': port}143        return self.exec_command(cmd)144    def nc_host(self, host, port=80, protocol='tcp', expected_response=None):145        """Check connectivity to TCP / UDP port at host via nc146        :host: an IP against which the connectivity will be tested.147        :port: the port to check connectivity against.148        :protocol: the protocol used by nc to send packets. TCP by default.149        :expected_response: string representing the expected response...

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