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How to use _get_node_nic_info method in lisa

Best Python code snippet using lisa_python

nic.py

Source:nic.py

...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(266            "ls /sys/class/net/",267            shell=True,268            sudo=True,269        ).stdout.split()270        virtual_nics = self._node.execute(271            "ls /sys/devices/virtual/net",272            shell=True,273            sudo=True,274        ).stdout.split()275        # remove virtual nics from the list276        non_virtual_nics = [x for x in all_nics if x not in virtual_nics]277        # verify if the nics names are not empty278        for item in non_virtual_nics:279            assert_that(item).described_as(280                "nic name could not be found"281            ).is_not_equal_to("")282        return non_virtual_nics283    def _get_nic_device(self, nic_name: str) -> str:284        slot_info_result = self._node.execute(285            f"readlink /sys/class/net/{nic_name}/device"286        )287        slot_info_result.assert_exit_code()288        base_device_result = self._node.execute(f"basename {slot_info_result.stdout}")289        base_device_result.assert_exit_code()290        # todo check addr matches expectation291        return base_device_result.stdout292    def _get_nic_uuid(self, nic_name: str) -> str:293        full_dev_path = self._node.execute(294            f"readlink /sys/class/net/{nic_name}/device",295            expected_exit_code_failure_message=(296                f"could not get sysfs device info for {nic_name}"297            ),298        )299        uuid = os.path.basename(full_dev_path.stdout.strip())300        self._node.log.debug(f"{nic_name} UUID:{uuid}")301        return uuid302    def _get_nic_uuids(self) -> None:303        for nic in self.get_upper_nics():304            self.nics[nic].dev_uuid = self._get_nic_uuid(nic)305    def _get_nic_numa_node(self, name: str) -> int:306        result = self._node.execute(307            f"cat /sys/class/net/{name}/device/numa_node",308            sudo=True,309            shell=True,310            expected_exit_code=0,311            expected_exit_code_failure_message=(312                f"Could not get numa information for nic {name}"313            ),314        )315        numa = int(result.stdout.strip())316        if numa == -1:317            numa = 0318        return numa319    def _get_node_nic_info(self) -> None:320        # Identify which nics are slaved to master devices.321        # This should be really simple with /usr/bin/ip but experience shows322        # the tool isn't super consistent across distros in this regard323        # use sysfs to gather upper/lower nic pairings and pci slot info324        nic_info_fetch_cmd = "ls -la /sys/class/net/*/lower*/device"325        self._node.log.debug(f"Gathering NIC information on {self._node.name}.")326        result = self._node.execute(327            nic_info_fetch_cmd,328            shell=True,329        )330        if result.exit_code != 0:331            nic_info_fetch_cmd = "ls -la /sys/class/net/*/device"332            result = self._node.execute(333                nic_info_fetch_cmd,...

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