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(...

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