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How to use _force_dpdk_default_source method in lisa

Best Python code snippet using lisa_python
dpdksuite.py
Source:dpdksuite.py
...114    def verify_dpdk_ovs(115        self, node: Node, log: Logger, variables: Dict[str, Any]116    ) -> None:117        # initialize DPDK first, OVS requires it built from source before configuring.118        self._force_dpdk_default_source(variables)119        test_kit = initialize_node_resources(node, log, variables, "failsafe")120        # checkout OpenVirtualSwitch121        ovs = node.tools[DpdkOvs]122        # provide ovs build with DPDK tool info and build123        ovs.build_with_dpdk(test_kit.testpmd)124        # enable hugepages needed for dpdk EAL125        init_hugepages(node)126        try:127            # run OVS tests, providing OVS with the NIC info needed for DPDK init128            ovs.setup_ovs(node.nics.get_nic_by_index().pci_slot)129            # validate if OVS was able to initialize DPDK130            node.execute(131                "ovs-vsctl get Open_vSwitch . dpdk_initialized",132                sudo=True,133                expected_exit_code=0,134                expected_exit_code_failure_message=(135                    "OVS repoted that DPDK EAL failed to initialize."136                ),137            )138        finally:139            ovs.stop_ovs()140    @TestCaseMetadata(141        description="""142           Install and run ci test for NFF-Go on ubuntu143        """,144        priority=4,145        requirement=simple_requirement(146            min_core_count=8,147            min_nic_count=2,148            network_interface=Sriov(),149            unsupported_features=[Gpu, Infiniband],150            supported_features=[IsolatedResource],151        ),152    )153    def verify_dpdk_nff_go(154        self, node: Node, log: Logger, variables: Dict[str, Any]155    ) -> None:156        try:157            nff_go = node.tools[DpdkNffGo]158        except UnsupportedDistroException as err:159            raise SkippedException(err)160        # hugepages needed for dpdk tests161        init_hugepages(node)162        # run the nff-go tests163        nff_go.run_test()164    @TestCaseMetadata(165        description="""166           Build and run DPDK multiprocess client/server sample application.167           Requires 3 nics since client/server needs two ports + 1 nic for LISA168        """,169        priority=4,170        requirement=simple_requirement(171            min_nic_count=3,172            network_interface=Sriov(),173            unsupported_features=[Gpu, Infiniband],174            supported_features=[IsolatedResource],175        ),176    )177    def verify_dpdk_multiprocess(178        self, node: Node, log: Logger, variables: Dict[str, Any]179    ) -> None:180        # multiprocess test requires dpdk source.181        self._force_dpdk_default_source(variables)182        kill = node.tools[Kill]183        pmd = "failsafe"184        server_app_name = "dpdk-mp_server"185        client_app_name = "dpdk-mp_client"186        # initialize DPDK with sample applications selected for build187        test_kit = initialize_node_resources(188            node,189            log,190            variables,191            pmd,192            sample_apps=[193                "multi_process/client_server_mp/mp_server",194                "multi_process/client_server_mp/mp_client",195            ],196        )197        if test_kit.testpmd.is_connect_x3:198            raise SkippedException(199                "Unsupported Hardware: ConnectX3 does not support secondary process RX"200            )201        # enable hugepages needed for dpdk EAL202        init_hugepages(node)203        # setup and run mp_server application204        examples_path = test_kit.testpmd.dpdk_build_path.joinpath("examples")205        server_app_path = examples_path.joinpath(server_app_name)206        client_app_path = examples_path.joinpath(client_app_name)207        # EAL -l: start server on cores 1-2,208        # EAL -n: use 4 memory channels209        # APP: -p : set port bitmask to port 0 and 1210        # APP: -n : allow one client to connect211        server_proc = node.execute_async(212            (213                f"{server_app_path} -l 1-2 -n 4 "214                f"-b {node.nics.get_nic_by_index(0).pci_slot} -- -p 3 -n 1"215            ),216            sudo=True,217            shell=True,218        )219        # Wait for server to finish init220        server_proc.wait_output("APP: Finished Process Init.", timeout=5)221        # EAL -l: start client on core 3,222        # EAL --proc-type: client runs as secondary process.223        # APP: -n : client index is 0224        client_result = node.execute(225            (226                f"timeout -s INT 2 {client_app_path} --proc-type=secondary -l 3 -n 4"227                f" -b {node.nics.get_nic_by_index(0).pci_slot} -- -n 0"228            ),229            sudo=True,230            shell=True,231        )232        # client blocks and returns, kill server once client is finished.233        kill.by_name(str(server_app_name), signum=SIGINT)234        server_result = server_proc.wait_result()235        # perform the checks from v2236        assert_that(client_result.stdout).described_as(237            "Secondary process did not finish initialization"238        ).contains("APP: Finished Process Init")239        assert_that(client_result.stdout).described_as(240            "Secondary process did not start accepting packets from server"241        ).contains("Client process 0 handling packets")242        # mp_client returns a nonstandard positive number when killed w signal.243        # one would expect either 0 or 130 (killed by signal w sigint).244        # check that the nonsense number is at least the expected one.245        assert_that(client_result.exit_code).described_as(246            "dpdk-mp client exit code was unexpected"247        ).is_equal_to(124)248        assert_that(server_result.exit_code).is_equal_to(0)249    @TestCaseMetadata(250        description="""251            test sriov failsafe during vf revoke (receive side)252        """,253        priority=2,254        requirement=simple_requirement(255            min_core_count=8,256            min_nic_count=2,257            network_interface=Sriov(),258            min_count=2,259            unsupported_features=[Gpu, Infiniband],260            supported_features=[IsolatedResource],261        ),262    )263    def verify_dpdk_sriov_rescind_failover_receiver(264        self, environment: Environment, log: Logger, variables: Dict[str, Any]265    ) -> None:266        test_kits = init_nodes_concurrent(environment, log, variables, "failsafe")267        try:268            check_send_receive_compatibility(test_kits)269        except UnsupportedPackageVersionException as err:270            raise SkippedException(err)271        sender, receiver = test_kits272        # Want to only switch receiver sriov to avoid timing weirdness273        receiver.switch_sriov = True274        sender.switch_sriov = False275        kit_cmd_pairs = generate_send_receive_run_info("failsafe", sender, receiver)276        run_testpmd_concurrent(277            kit_cmd_pairs, DPDK_VF_REMOVAL_MAX_TEST_TIME, log, rescind_sriov=True278        )279        rescind_tx_pps_set = receiver.testpmd.get_mean_rx_pps_sriov_rescind()280        self._check_rx_or_tx_pps_sriov_rescind("RX", rescind_tx_pps_set)281    @TestCaseMetadata(282        description="""283            test sriov failsafe during vf revoke (send only version)284        """,285        priority=2,286        requirement=simple_requirement(287            min_core_count=8,288            min_nic_count=2,289            network_interface=Sriov(),290            unsupported_features=[Gpu, Infiniband],291            supported_features=[IsolatedResource],292        ),293    )294    def verify_dpdk_sriov_rescind_failover_send_only(295        self, node: Node, log: Logger, variables: Dict[str, Any]296    ) -> None:297        test_kit = initialize_node_resources(node, log, variables, "failsafe")298        testpmd = test_kit.testpmd299        test_nic = node.nics.get_nic_by_index()300        testpmd_cmd = testpmd.generate_testpmd_command(301            test_nic, 0, "txonly", "failsafe"302        )303        kit_cmd_pairs = {304            test_kit: testpmd_cmd,305        }306        run_testpmd_concurrent(307            kit_cmd_pairs, DPDK_VF_REMOVAL_MAX_TEST_TIME, log, rescind_sriov=True308        )309        rescind_tx_pps_set = testpmd.get_mean_tx_pps_sriov_rescind()310        self._check_rx_or_tx_pps_sriov_rescind("TX", rescind_tx_pps_set)311    def _check_rx_or_tx_pps_sriov_rescind(312        self, tx_or_rx: str, pps: Tuple[int, int, int]313    ) -> None:314        before_rescind, during_rescind, after_reenable = pps315        self._check_rx_or_tx_pps(tx_or_rx, before_rescind, sriov_enabled=True)316        self._check_rx_or_tx_pps(tx_or_rx, during_rescind, sriov_enabled=False)317        self._check_rx_or_tx_pps(tx_or_rx, after_reenable, sriov_enabled=True)318    def _check_rx_or_tx_pps(319        self, tx_or_rx: str, pps: int, sriov_enabled: bool = True320    ) -> None:321        if sriov_enabled:322            assert_that(pps).described_as(323                f"{tx_or_rx}-PPS ({pps}) should have been greater "324                "than 2^20 (~1m) PPS before sriov disable."325            ).is_greater_than(2**20)326        else:327            assert_that(pps).described_as(328                f"{tx_or_rx}-PPS ({pps}) should have been less "329                "than 2^20 (~1m) PPS after sriov disable."330            ).is_less_than(2**20)331    @TestCaseMetadata(332        description="""333            verify vpp is able to detect azure network interfaces334            1. run fd.io vpp install scripts335            2. install vpp from their repositories336            3. start vpp service337            4. check that azure interfaces are detected by vpp338        """,339        priority=4,340        requirement=simple_requirement(341            min_core_count=8,342            min_nic_count=2,343            network_interface=Sriov(),344            unsupported_features=[Gpu, Infiniband],345            supported_features=[IsolatedResource],346        ),347    )348    def verify_dpdk_vpp(349        self, node: Node, log: Logger, variables: Dict[str, Any]350    ) -> None:351        vpp = node.tools[DpdkVpp]352        vpp.install()353        net = node.nics354        nic = net.get_nic_by_index()355        # set devices to down and restart vpp service356        ip = node.tools[Ip]357        for dev in [nic.lower, nic.upper]:358            ip.down(dev)359        for dev in [nic.lower, nic.upper]:360            ip.addr_flush(dev)361        vpp.start()362        vpp.run_test()363    @TestCaseMetadata(364        description="""365            This test runs the dpdk ring ping utility from:366            https://github.com/shemminger/dpdk-ring-ping367            to measure the maximum latency for 99.999 percent of packets during368            the test run. The maximum should be under 200000 nanoseconds369            (.2 milliseconds).370            Not dependent on any specific PMD.371        """,372        priority=4,373        requirement=simple_requirement(374            min_core_count=8,375            network_interface=Sriov(),376            unsupported_features=[Gpu, Infiniband],377            supported_features=[IsolatedResource],378        ),379    )380    def verify_dpdk_ring_ping(381        self, node: Node, log: Logger, variables: Dict[str, Any]382    ) -> None:383        # ring ping requires dpdk source to run, since default is package_manager384        # we special case here to use to dpdk-stable as the default.385        self._force_dpdk_default_source(variables)386        # setup and unwrap the resources for this test387        test_kit = initialize_node_resources(node, log, variables, "failsafe")388        testpmd = test_kit.testpmd389        # grab a nic and run testpmd390        git = node.tools[Git]391        make = node.tools[Make]392        echo = node.tools[Echo]393        rping_build_env_vars = [394            "export RTE_TARGET=build",395            f"export RTE_SDK={str(testpmd.dpdk_path)}",396        ]397        echo.write_to_file(398            ";".join(rping_build_env_vars), node.get_pure_path("~/.bashrc"), append=True399        )400        git_path = git.clone(401            "https://github.com/shemminger/dpdk-ring-ping.git", cwd=node.working_path402        )403        make.run(404            shell=True,405            cwd=git_path,406            expected_exit_code=0,407            expected_exit_code_failure_message="make could not build rping project.",408        ).assert_exit_code()409        # run ringping for 30 seconds410        runcmd = "./build/rping -c 0x03 -n 2 --no-pci --no-huge -- -d 5 -t 10"411        result = node.execute(412            runcmd,413            shell=True,414            cwd=git_path,415            expected_exit_code=0,416            expected_exit_code_failure_message="rping program failed to run correctly.",417        )418        result.assert_exit_code()419        # get the max latency for 99.999 percent of enqueued 'packets'.420        result_regex = self._ring_ping_percentile_regex.search(result.stdout)421        if result_regex and len(result_regex.groups()) == 1:422            max_ping_measured = int(result_regex.group(1))423            assert_that(max_ping_measured).described_as(424                (425                    f"RingPing measured {max_ping_measured} as maximum ping latency,"426                    f" maximum should be less than {MAX_RING_PING_LIMIT_NS}"427                )428            ).is_less_than(MAX_RING_PING_LIMIT_NS)429        else:430            fail(431                (432                    "Could not get latency data from rping result. "433                    f"Search was for 'percentile 99.999 = ([0-9]+)'\n{result.stdout}\n"434                )435            )436    @TestCaseMetadata(437        description="""438            Tests a basic sender/receiver setup for default failsafe driver setup.439            Sender sends the packets, receiver receives them.440            We check both to make sure the received traffic is within the expected441            order-of-magnitude.442        """,443        priority=2,444        requirement=simple_requirement(445            min_core_count=8,446            min_nic_count=2,447            network_interface=Sriov(),448            min_count=2,449            unsupported_features=[Gpu, Infiniband],450            supported_features=[IsolatedResource],451        ),452    )453    def verify_dpdk_send_receive_multi_txrx_queue_failsafe(454        self, environment: Environment, log: Logger, variables: Dict[str, Any]455    ) -> None:456        try:457            verify_dpdk_send_receive_multi_txrx_queue(458                environment, log, variables, "failsafe"459            )460        except UnsupportedPackageVersionException as err:461            raise SkippedException(err)462    @TestCaseMetadata(463        description="""464            Tests a basic sender/receiver setup for default failsafe driver setup.465            Sender sends the packets, receiver receives them.466            We check both to make sure the received traffic is within the expected467            order-of-magnitude.468        """,469        priority=2,470        requirement=simple_requirement(471            min_core_count=8,472            min_nic_count=2,473            network_interface=Sriov(),474            min_count=2,475            unsupported_features=[Gpu, Infiniband],476            supported_features=[IsolatedResource],477        ),478    )479    def verify_dpdk_send_receive_multi_txrx_queue_netvsc(480        self, environment: Environment, log: Logger, variables: Dict[str, Any]481    ) -> None:482        try:483            verify_dpdk_send_receive_multi_txrx_queue(484                environment, log, variables, "netvsc"485            )486        except UnsupportedPackageVersionException as err:487            raise SkippedException(err)488    @TestCaseMetadata(489        description="""490            Tests a basic sender/receiver setup for default failsafe driver setup.491            Sender sends the packets, receiver receives them.492            We check both to make sure the received traffic is within the expected493            order-of-magnitude.494        """,495        priority=2,496        requirement=simple_requirement(497            min_core_count=8,498            min_nic_count=2,499            network_interface=Sriov(),500            min_count=2,501            unsupported_features=[Gpu, Infiniband],502            supported_features=[IsolatedResource],503        ),504    )505    def verify_dpdk_send_receive_failsafe(506        self, environment: Environment, log: Logger, variables: Dict[str, Any]507    ) -> None:508        try:509            verify_dpdk_send_receive(environment, log, variables, "failsafe")510        except UnsupportedPackageVersionException as err:511            raise SkippedException(err)512    @TestCaseMetadata(513        description="""514            Tests a basic sender/receiver setup for direct netvsc pmd setup.515            Sender sends the packets, receiver receives them.516            We check both to make sure the received traffic is within the expected517            order-of-magnitude.518        """,519        priority=2,520        requirement=simple_requirement(521            min_core_count=8,522            min_nic_count=2,523            network_interface=Sriov(),524            min_count=2,525            unsupported_features=[Gpu, Infiniband],526            supported_features=[IsolatedResource],527        ),528    )529    def verify_dpdk_send_receive_netvsc(530        self, environment: Environment, log: Logger, variables: Dict[str, Any]531    ) -> None:532        try:533            verify_dpdk_send_receive(environment, log, variables, "netvsc")534        except UnsupportedPackageVersionException as err:535            raise SkippedException(err)536    @TestCaseMetadata(537        description="""538            UIO basic functionality test.539            - Bind interface to uio_hv_generic540            - check that sysfs entry is created541            - unbind542            - check that the driver is unloaded.543            - rebind to original driver544        """,545        priority=2,546        requirement=simple_requirement(547            min_nic_count=2,548            network_interface=Sriov(),549            unsupported_features=[Gpu, Infiniband],550            supported_features=[IsolatedResource],551        ),552    )553    def verify_uio_binding(554        self, node: Node, log: Logger, variables: Dict[str, Any]555    ) -> None:556        lsmod = node.tools[Lsmod]557        modprobe = node.tools[Modprobe]558        nic = node.nics.get_nic_by_index()559        node.nics.get_nic_driver(nic.upper)560        if nic.bound_driver == "hv_netvsc":561            enable_uio_hv_generic_for_nic(node, nic)562        original_driver = nic.driver_sysfs_path563        node.nics.unbind(nic)564        node.nics.bind(nic, UIO_HV_GENERIC_SYSFS_PATH)565        node.execute(566            "test -e /dev/uio0",567            shell=True,568            expected_exit_code=0,569            expected_exit_code_failure_message=(570                "/dev/uio0 did not exist after driver bind"571            ),572        )573        assert_that(lsmod.module_exists("uio_hv_generic", force_run=True)).described_as(574            "uio_hv_generic was not found after bind"575        ).is_true()576        node.nics.unbind(nic)577        node.nics.bind(nic, str(original_driver))578        nic.bound_driver = node.nics.get_nic_driver(nic.upper)579        assert_that(nic.bound_driver).described_as(580            (581                "Driver after unbind/rebind was unexpected. "582                f"Expected hv_netvsc, found {nic.bound_driver}"583            )584        ).is_equal_to("hv_netvsc")585        modprobe.remove(["uio_hv_generic"])586        node.execute(587            "test -e /dev/uio0",588            shell=True,589            expected_exit_code=1,590            expected_exit_code_failure_message=(591                "/dev/uio0 still exists after driver unload"592            ),593        )594    def _force_dpdk_default_source(self, variables: Dict[str, Any]) -> None:595        if not variables.get("dpdk_source", None):596            variables["dpdk_source"] = DPDK_STABLE_GIT_REPO597    def after_case(self, log: Logger, **kwargs: Any) -> None:598        environment: Environment = kwargs.pop("environment")599        for node in environment.nodes.list():600            modprobe = node.tools[Modprobe]601            if modprobe.module_exists("uio_hv_generic"):602                node.tools[Service].stop_service("vpp")603                modprobe.remove(["uio_hv_generic"])604                node.close()...
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