Best Python code snippet using lisa_python
dpdkutil.py
Source:dpdkutil.py  
...222    except UnsupportedDistroException as err:223        # forward message from distro exception224        raise SkippedException(err)225    # verify SRIOV is setup as-expected on the node after compat check226    node.nics.wait_for_sriov_enabled()227    # create tool, initialize testpmd tool (installs dpdk)228    testpmd: DpdkTestpmd = node.tools.get(229        DpdkTestpmd,230        dpdk_source=dpdk_source,231        dpdk_branch=dpdk_branch,232        sample_apps=sample_apps,233    )234    # init and enable hugepages (required by dpdk)235    init_hugepages(node)236    assert_that(len(node.nics)).described_as(237        "Test needs at least 1 NIC on the test node."238    ).is_greater_than_or_equal_to(1)239    test_nic = node.nics.get_nic_by_index()240    # check an assumption that our nics are bound to hv_netvsc...nic.py
Source:nic.py  
...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()} "...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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