Esempio n. 1
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 def run_protocols(self):
     LOG.info('PPPoE Scenario - Start Protocols')
     self.client.start_protocols()
     utils.wait_until_true(
         lambda: self.client.is_protocols_running(self.protocols),
         timeout=WAIT_PROTOCOLS_STARTED,
         sleep=2)
Esempio n. 2
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    def run_traffic(self, traffic_profile):
        if self._terminated.value:
            return

        min_tol = self.rfc_helper.tolerance_low
        max_tol = self.rfc_helper.tolerance_high
        precision = self.rfc_helper.tolerance_precision
        resolution = self.rfc_helper.resolution
        default = "00:00:00:00:00:00"

        self._build_ports()
        traffic_profile.update_traffic_profile(self)
        self._initialize_client(traffic_profile)

        mac = {}
        for port_name in self.vnfd_helper.port_pairs.all_ports:
            intf = self.vnfd_helper.find_interface(name=port_name)
            virt_intf = intf["virtual-interface"]
            # we only know static traffic id by reading the json
            # this is used by _get_ixia_trafficrofile
            port_num = self.vnfd_helper.port_num(intf)
            mac["src_mac_{}".format(port_num)] = virt_intf.get(
                "local_mac", default)
            mac["dst_mac_{}".format(port_num)] = virt_intf.get(
                "dst_mac", default)

        self._ix_scenario.run_protocols()

        try:
            while not self._terminated.value:
                first_run = traffic_profile.execute_traffic(
                    self, self.client, mac)
                self.client_started.value = 1
                # pylint: disable=unnecessary-lambda
                utils.wait_until_true(lambda: self.client.is_traffic_stopped(),
                                      timeout=traffic_profile.config.duration *
                                      2)
                rfc2544_opts = self._ix_scenario.get_tc_rfc2544_options()
                samples = self.generate_samples(
                    traffic_profile.ports, traffic_profile.config.duration)

                completed, samples = traffic_profile.get_drop_percentage(
                    samples,
                    min_tol,
                    max_tol,
                    precision,
                    resolution,
                    first_run=first_run,
                    tc_rfc2544_opts=rfc2544_opts)
                self._queue.put(samples)

                if completed:
                    self._terminated.value = 1

        except Exception:  # pylint: disable=broad-except
            LOG.exception('Run Traffic terminated')

        self._ix_scenario.stop_protocols()
        self.client_started.value = 0
        self._terminated.value = 1
Esempio n. 3
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    def run_traffic(self, traffic_profile):
        if self._terminated.value:
            return

        min_tol = self.rfc_helper.tolerance_low
        max_tol = self.rfc_helper.tolerance_high
        default = "00:00:00:00:00:00"

        self._build_ports()
        self._initialize_client()

        mac = {}
        for port_name in self.vnfd_helper.port_pairs.all_ports:
            intf = self.vnfd_helper.find_interface(name=port_name)
            virt_intf = intf["virtual-interface"]
            # we only know static traffic id by reading the json
            # this is used by _get_ixia_trafficrofile
            port_num = self.vnfd_helper.port_num(intf)
            mac["src_mac_{}".format(port_num)] = virt_intf.get(
                "local_mac", default)
            mac["dst_mac_{}".format(port_num)] = virt_intf.get(
                "dst_mac", default)

        try:
            while not self._terminated.value:
                first_run = traffic_profile.execute_traffic(
                    self, self.client, mac)
                self.client_started.value = 1
                # pylint: disable=unnecessary-lambda
                utils.wait_until_true(lambda: self.client.is_traffic_stopped())
                samples = self.generate_samples(traffic_profile.ports)

                # NOTE(ralonsoh): the traffic injection duration is fixed to 30
                # seconds. This parameter is configurable and must be retrieved
                # from the traffic_profile.full_profile information.
                # Every flow must have the same duration.
                completed, samples = traffic_profile.get_drop_percentage(
                    samples, min_tol, max_tol, first_run=first_run)
                self._queue.put(samples)

                if completed:
                    self._terminated.value = 1

        except Exception:  # pylint: disable=broad-except
            LOG.exception('Run Traffic terminated')

        self._terminated.value = 1
Esempio n. 4
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    def start_traffic(self):
        """Start the traffic injection in the traffic item

        By configuration, there is only one traffic item. This function returns
        when the traffic state is TRAFFIC_STATUS_STARTED.
        """
        traffic_items = self.ixnet.getList('/traffic', 'trafficItem')
        if self.is_traffic_running():
            self.ixnet.execute('stop', '/traffic')
            # pylint: disable=unnecessary-lambda
            utils.wait_until_true(lambda: self.is_traffic_stopped())

        self.ixnet.execute('generate', traffic_items)
        self.ixnet.execute('apply', '/traffic')
        self.ixnet.execute('start', '/traffic')
        # pylint: disable=unnecessary-lambda
        utils.wait_until_true(lambda: self.is_traffic_running())
Esempio n. 5
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 def run_traffic(self, traffic_profile):
     self._traffic_profile = traffic_profile
     self._traffic_profile.init(self._node_ip, self._lua_node_port)
     utils.wait_until_true(self._is_running, timeout=self.TIMEOUT, sleep=2)
Esempio n. 6
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def _worker_process(queue, cls, method_name, scenario_cfg, context_cfg,
                    aborted, output_queue):  # pragma: no cover
    runner_cfg = scenario_cfg['runner']

    timeout = runner_cfg.get('timeout', ITERATION_TIMEOUT)
    iterations = runner_cfg.get('iterations', 1)
    run_step = runner_cfg.get('run_step', 'setup,run,teardown')
    LOG.info('Worker START. Iterations %d times, class %s', iterations, cls)

    runner_cfg['runner_id'] = os.getpid()

    benchmark = cls(scenario_cfg, context_cfg)
    method = getattr(benchmark, method_name)

    if 'setup' not in run_step:
        raise exceptions.RunnerIterationIPCSetupActionNeeded()
    benchmark.setup()
    producer_ctxs = benchmark.get_mq_ids()
    if not producer_ctxs:
        raise exceptions.RunnerIterationIPCNoCtxs()

    mq_consumer = RunnerIterationIPCConsumer(os.getpid(), producer_ctxs)
    mq_consumer.start_rpc_server()
    mq_producer = base_runner.RunnerProducer(scenario_cfg['task_id'])

    iteration_index = 1
    while 'run' in run_step:
        LOG.debug('runner=%(runner)s seq=%(sequence)s START', {
            'runner': runner_cfg['runner_id'],
            'sequence': iteration_index
        })
        data = {}
        result = None
        errors = ''
        mq_consumer.iteration_index = iteration_index
        mq_producer.start_iteration()

        try:
            utils.wait_until_true(
                mq_consumer.is_all_kpis_received_in_iteration,
                timeout=timeout,
                sleep=2)
            result = method(data)
        except Exception:  # pylint: disable=broad-except
            errors = traceback.format_exc()
            LOG.exception(errors)

        mq_producer.stop_iteration()

        if result:
            output_queue.put(result, True, QUEUE_PUT_TIMEOUT)
        benchmark_output = {
            'timestamp': time.time(),
            'sequence': iteration_index,
            'data': data,
            'errors': errors
        }
        queue.put(benchmark_output, True, QUEUE_PUT_TIMEOUT)

        LOG.debug('runner=%(runner)s seq=%(sequence)s END', {
            'runner': runner_cfg['runner_id'],
            'sequence': iteration_index
        })

        iteration_index += 1
        if iteration_index > iterations or aborted.is_set():
            LOG.info('"IterationIPC" worker END')
            break

    if 'teardown' in run_step:
        try:
            benchmark.teardown()
        except Exception:
            LOG.exception('Exception during teardown process')
            mq_consumer.stop_rpc_server()
            raise SystemExit(1)

    LOG.debug('Data queue size = %s', queue.qsize())
    LOG.debug('Output queue size = %s', output_queue.qsize())
    mq_consumer.stop_rpc_server()
Esempio n. 7
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    def run_test(self, traffic_profile, tasks_queue, results_queue,
                 *args):  # pragma: no cover
        LOG.info("Ixia resource_helper run_test")
        if self._terminated.value:
            return

        min_tol = self.rfc_helper.tolerance_low
        max_tol = self.rfc_helper.tolerance_high
        precision = self.rfc_helper.tolerance_precision
        resolution = self.rfc_helper.resolution
        default = "00:00:00:00:00:00"

        self._build_ports()
        traffic_profile.update_traffic_profile(self)
        self._initialize_client(traffic_profile)

        mac = {}
        for port_name in self.vnfd_helper.port_pairs.all_ports:
            intf = self.vnfd_helper.find_interface(name=port_name)
            virt_intf = intf["virtual-interface"]
            # we only know static traffic id by reading the json
            # this is used by _get_ixia_trafficrofile
            port_num = self.vnfd_helper.port_num(intf)
            mac["src_mac_{}".format(port_num)] = virt_intf.get(
                "local_mac", default)
            mac["dst_mac_{}".format(port_num)] = virt_intf.get(
                "dst_mac", default)

        self._ix_scenario.run_protocols()

        try:
            completed = False
            self.rfc_helper.iteration.value = 0
            self.client_started.value = 1
            while completed is False and not self._terminated.value:
                LOG.info("Wait for task ...")

                try:
                    task = tasks_queue.get(True, 5)
                except moves.queue.Empty:
                    continue
                else:
                    if task != 'RUN_TRAFFIC':
                        continue

                self.rfc_helper.iteration.value += 1
                LOG.info("Got %s task, start iteration %d", task,
                         self.rfc_helper.iteration.value)
                first_run = traffic_profile.execute_traffic(
                    self, self.client, mac)
                # pylint: disable=unnecessary-lambda
                utils.wait_until_true(lambda: self.client.is_traffic_stopped(),
                                      timeout=traffic_profile.config.duration *
                                      2)
                samples = self.generate_samples(
                    traffic_profile.ports, traffic_profile.config.duration)

                completed, samples = traffic_profile.get_drop_percentage(
                    samples,
                    min_tol,
                    max_tol,
                    precision,
                    resolution,
                    first_run=first_run)
                self._queue.put(samples)

                if completed:
                    LOG.debug("IxiaResourceHelper::run_test - test completed")
                    results_queue.put('COMPLETE')
                else:
                    results_queue.put('CONTINUE')
                tasks_queue.task_done()

        except Exception:  # pylint: disable=broad-except
            LOG.exception('Run Traffic terminated')

        self._ix_scenario.stop_protocols()
        self.client_started.value = 0
        LOG.debug("IxiaResourceHelper::run_test done")