Best Python code snippet using lisa_python
nestedperf.py
Source:nestedperf.py  
...507        # enable ip forwarding508        node.tools[Sysctl].write("net.ipv4.ip_forward", "1")509        # setup bridge510        node.tools[Ip].setup_bridge(bridge_name, f"{bridge_gateway}/{bridge_cidr}")511        node.tools[Ip].set_bridge_configuration(bridge_name, "stp_state", "0")512        node.tools[Ip].set_bridge_configuration(bridge_name, "forward_delay", "0")513        # reset bridge lease file to remove old dns leases514        node.execute(515            f"cp /dev/null /var/run/qemu-dnsmasq-{bridge_name}.leases", sudo=True516        )517        # start dnsmasq518        node.tools[Dnsmasq].start(bridge_name, bridge_gateway, bridge_dhcp_range)519        # reset filter table to accept all traffic520        node.tools[Iptables].reset_table()521        # reset nat table and setup nat forwarding522        node.tools[Iptables].reset_table("nat")523        node.tools[Iptables].run(524            f"-t nat -A POSTROUTING -s {bridge_network}/{bridge_cidr} -j MASQUERADE",525            sudo=True,526            force_run=True,...ip.py
Source:ip.py  
...128            expected_exit_code_failure_message=f"Could not create bridge {name}",129        )130        self.add_ipv4_address(name, ip)131        self.up(name)132    def set_bridge_configuration(self, name: str, key: str, value: str) -> None:133        self.run(134            f"link set dev {name} type bridge {key} {value}",135            force_run=True,136            sudo=True,137            expected_exit_code=0,138            expected_exit_code_failure_message=(139                f"Could not set bridge {name} configuation: {key} {value}"140            ),141        )142        self.restart_device(name)143    def delete_interface(self, name: str) -> None:144        # check if the interface exists145        if not self.nic_exists(name):146            self._log.debug(f"Interface {name} does not exist")...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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