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How to use _renew_lease_udhcpc method in tempest

Best Python code snippet using tempest_python

remote_client.py

Source:remote_client.py

...114        return dns_servers115    def send_signal(self, pid, signum):116        cmd = 'sudo /bin/kill -{sig} {pid}'.format(pid=pid, sig=signum)117        return self.exec_command(cmd)118    def _renew_lease_udhcpc(self, fixed_ip=None):119        """Renews DHCP lease via udhcpc client. """120        file_path = '/var/run/udhcpc.'121        nic_name = self.get_nic_name(fixed_ip)122        pid = self.exec_command('cat {path}{nic}.pid'.123                                format(path=file_path, nic=nic_name))124        pid = pid.strip()125        self.send_signal(pid, 'USR1')126    def _renew_lease_dhclient(self, fixed_ip=None):127        """Renews DHCP lease via dhclient client. """128        cmd = "sudo /sbin/dhclient -r && sudo /sbin/dhclient"129        self.exec_command(cmd)130    def renew_lease(self, fixed_ip=None):131        """Wrapper method for renewing DHCP lease via given client132        Supporting:...

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