KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use get_unpaired_devices method in lisa

Best Python code snippet using lisa_python

nic.py

Source:nic.py

...121    def append(self, next_node: NicInfo) -> None:122        self.nics[next_node.upper] = next_node123    def is_empty(self) -> bool:124        return len(self.nics) == 0125    def get_unpaired_devices(self) -> List[str]:126        return [x.upper for x in self.nics.values() if not x.lower]127    def get_upper_nics(self) -> List[str]:128        return list(self.nics.keys())129    def get_lower_nics(self) -> List[str]:130        return [x.lower for x in self.nics.values() if x.lower]131    def get_device_slots(self) -> List[str]:132        return [x.pci_slot for x in self.nics.values() if x.pci_slot]133    # update the current nic driver in the NicInfo instance134    # grabs the driver short name and the driver sysfs path135    def get_nic_driver(self, nic_name: str) -> str:136        # get the current driver for the nic from the node137        # sysfs provides a link to the driver entry at device/driver138        nic = self.get_nic(nic_name)139        cmd = f"readlink -f /sys/class/net/{nic_name}/device/driver"140        # ex return value:141        # /sys/bus/vmbus/drivers/hv_netvsc142        found_link = self._node.execute(cmd, expected_exit_code=0).stdout143        assert_that(found_link).described_as(144            f"sysfs check for NIC device {nic_name} driver returned no output"145        ).is_not_equal_to("")146        nic.driver_sysfs_path = PurePosixPath(found_link)147        driver_name = nic.driver_sysfs_path.name148        assert_that(driver_name).described_as(149            f"sysfs entry contained no filename for device driver: {found_link}"150        ).is_not_equal_to("")151        nic.bound_driver = driver_name152        return driver_name153    def get_nic(self, nic_name: str) -> NicInfo:154        return self.nics[nic_name]155    def get_nic_by_index(self, index: int = -1) -> NicInfo:156        # get nic by index, default is -1 to give a non-primary nic157        # when there are more than one nic on the system158        number_of_nics = len(self.get_upper_nics())159        assert_that(number_of_nics).is_greater_than(0)160        try:161            nic_name = self.get_upper_nics()[index]162        except IndexError:163            raise LisaException(164                f"Attempted get_upper_nics()[{index}], only "165                f"{number_of_nics} nics are registered in node.nics. "166                f"Had upper interfaces: {self.get_upper_nics()}"167            )168        try:169            nic = self.nics[nic_name]170        except KeyError:171            raise LisaException(172                f"NicInfo for interface {nic_name} not found! "173                f"Had upper interfaces: {self.get_upper_nics()}"174            )175        return nic176    def nic_info_is_present(self, nic_name: str) -> bool:177        return nic_name in self.get_upper_nics() or nic_name in self.get_lower_nics()178    def unbind(self, nic: NicInfo) -> None:179        # unbind nic from current driver and return the old sysfs path180        echo = self._node.tools[Echo]181        # if sysfs path is not set, fetch the current driver182        if not nic.driver_sysfs_path:183            self.get_nic_driver(nic.upper)184        unbind_path = nic.driver_sysfs_path.joinpath("unbind")185        echo.write_to_file(186            nic.dev_uuid,187            unbind_path,188            sudo=True,189        )190    def bind(self, nic: NicInfo, driver_module_path: str) -> None:191        echo = self._node.tools[Echo]192        nic.driver_sysfs_path = PurePosixPath(driver_module_path)193        bind_path = nic.driver_sysfs_path.joinpath("bind")194        echo.write_to_file(195            nic.dev_uuid,196            self._node.get_pure_path(f"{str(bind_path)}"),197            sudo=True,198        )199        nic.bound_driver = nic.driver_sysfs_path.name200    def load_interface_info(self, nic_name: Optional[str] = None) -> None:201        command = "/sbin/ip addr show"202        if nic_name:203            command += f" {nic_name}"204        result = self._node.execute(205            command,206            shell=True,207            expected_exit_code=0,208            expected_exit_code_failure_message=(209                f"Could not run {command} on node {self._node.name}"210            ),211        )212        entries = find_groups_in_lines(213            result.stdout, self.__ip_addr_show_regex, single_line=False214        )215        found_nics = []216        for entry in entries:217            self._node.log.debug(f"Found nic info: {entry}")218            nic_name = entry["name"]219            mac = entry["mac"]220            ip_addr = entry["ip_addr"]221            if nic_name in self.get_upper_nics():222                nic_entry = self.nics[nic_name]223                nic_entry.ip_addr = ip_addr224                nic_entry.mac_addr = mac225                found_nics.append(nic_name)226        if not nic_name:227            assert_that(sorted(found_nics)).described_as(228                f"Could not locate nic info for all nics. "229                f"Nic set was {self.nics.keys()} and only found info for {found_nics}"230            ).is_equal_to(sorted(self.nics.keys()))231    def reload(self) -> None:232        self.nics.clear()233        self._initialize()234    @retry(tries=15, delay=3, backoff=1.15)235    def wait_for_sriov_enabled(self) -> None:236        lspci = self._node.tools[Lspci]237        # check for VFs on the guest238        vfs = lspci.get_devices_by_type(constants.DEVICE_TYPE_SRIOV, force_run=True)239        assert_that(len(vfs)).described_as(240            "Could not identify any SRIOV NICs on the test node."241        ).is_not_zero()242        # check if the NIC driver has finished setting up the243        # failsafe pair, reload if not244        if not self.get_lower_nics():245            self.reload()246        if not self.get_lower_nics():247            assert_that(self.get_lower_nics()).described_as(248                "Did not detect any upper/lower sriov paired nics!: "249                f"upper: {self.get_upper_nics()} "250                f"lower: {self.get_lower_nics()} "251                f"unpaired: {self.get_unpaired_devices()}"252                f"vfs: {','.join([str(pci) for pci in vfs])}"253            ).is_not_empty()254    def _initialize(self, *args: Any, **kwargs: Any) -> None:255        self._node.log.debug("loading nic information...")256        self.nic_names = self._get_nic_names()257        self._get_node_nic_info()258        self._get_default_nic()259        self.load_interface_info()260        self._get_nic_uuids()261        for nic in self.get_upper_nics():262            self.get_nic_driver(nic)263    def _get_nic_names(self) -> List[str]:264        # identify all of the nics on the device, excluding tunnels and loopbacks etc.265        all_nics = self._node.execute(...

Automation Testing Tutorials

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.