X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=yardstick%2Fnetwork_services%2Fvnf_generic%2Fvnf%2Ftg_rfc2544_ixia.py;h=94ab06980710cbb1711cbb5eec3bf7b47cc76458;hb=5b23c7f12857ea6d47f184046010b467949303e6;hp=265d0b7a95cc0093f450e8cf7bb6bf2deb274444;hpb=2736a90663e8d29cc968a5dac16b7606f9554001;p=yardstick.git diff --git a/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py b/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py index 265d0b7a9..94ab06980 100644 --- a/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py +++ b/yardstick/network_services/vnf_generic/vnf/tg_rfc2544_ixia.py @@ -12,31 +12,19 @@ # See the License for the specific language governing permissions and # limitations under the License. -from __future__ import absolute_import - -import time -import os import logging -import sys from yardstick.common import utils -from yardstick import error +from yardstick.network_services.libs.ixia_libs.ixnet import ixnet_api from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper from yardstick.network_services.vnf_generic.vnf.sample_vnf import Rfc2544ResourceHelper + LOG = logging.getLogger(__name__) WAIT_AFTER_CFG_LOAD = 10 WAIT_FOR_TRAFFIC = 30 -IXIA_LIB = os.path.dirname(os.path.realpath(__file__)) -IXNET_LIB = os.path.join(IXIA_LIB, "../../libs/ixia_libs/IxNet") -sys.path.append(IXNET_LIB) - -try: - from IxNet import IxNextgen -except ImportError: - IxNextgen = error.ErrorClass class IxiaRfc2544Helper(Rfc2544ResourceHelper): @@ -53,7 +41,7 @@ class IxiaResourceHelper(ClientResourceHelper): super(IxiaResourceHelper, self).__init__(setup_helper) self.scenario_helper = setup_helper.scenario_helper - self.client = IxNextgen() + self.client = ixnet_api.IxNextgen() if rfc_helper_type is None: rfc_helper_type = IxiaRfc2544Helper @@ -64,20 +52,16 @@ class IxiaResourceHelper(ClientResourceHelper): self._connect() def _connect(self, client=None): - self.client._connect(self.vnfd_helper) + self.client.connect(self.vnfd_helper) def get_stats(self, *args, **kwargs): - return self.client.ix_get_statistics() + return self.client.get_statistics() def stop_collect(self): self._terminated.value = 1 - if self.client: - self.client.ix_stop_traffic() - def generate_samples(self, ports, key=None, default=None): + def generate_samples(self, ports, duration): stats = self.get_stats() - last_result = stats[1] - latency = stats[0] samples = {} # this is not DPDK port num, but this is whatever number we gave @@ -86,31 +70,35 @@ class IxiaResourceHelper(ClientResourceHelper): try: # reverse lookup port name from port_num so the stats dict is descriptive intf = self.vnfd_helper.find_interface_by_port(port_num) - port_name = intf["name"] + port_name = intf['name'] + avg_latency = stats['Store-Forward_Avg_latency_ns'][port_num] + min_latency = stats['Store-Forward_Min_latency_ns'][port_num] + max_latency = stats['Store-Forward_Max_latency_ns'][port_num] samples[port_name] = { - "rx_throughput_kps": float(last_result["Rx_Rate_Kbps"][port_num]), - "tx_throughput_kps": float(last_result["Tx_Rate_Kbps"][port_num]), - "rx_throughput_mbps": float(last_result["Rx_Rate_Mbps"][port_num]), - "tx_throughput_mbps": float(last_result["Tx_Rate_Mbps"][port_num]), - "in_packets": int(last_result["Valid_Frames_Rx"][port_num]), - "out_packets": int(last_result["Frames_Tx"][port_num]), - "RxThroughput": int(last_result["Valid_Frames_Rx"][port_num]) / 30, - "TxThroughput": int(last_result["Frames_Tx"][port_num]) / 30, + 'rx_throughput_kps': float(stats['Rx_Rate_Kbps'][port_num]), + 'tx_throughput_kps': float(stats['Tx_Rate_Kbps'][port_num]), + 'rx_throughput_mbps': float(stats['Rx_Rate_Mbps'][port_num]), + 'tx_throughput_mbps': float(stats['Tx_Rate_Mbps'][port_num]), + 'in_packets': int(stats['Valid_Frames_Rx'][port_num]), + 'out_packets': int(stats['Frames_Tx'][port_num]), + 'RxThroughput': float(stats['Valid_Frames_Rx'][port_num]) / duration, + 'TxThroughput': float(stats['Frames_Tx'][port_num]) / duration, + 'Store-Forward_Avg_latency_ns': utils.safe_cast(avg_latency, int, 0), + 'Store-Forward_Min_latency_ns': utils.safe_cast(min_latency, int, 0), + 'Store-Forward_Max_latency_ns': utils.safe_cast(max_latency, int, 0) } - if key: - avg_latency = latency["Store-Forward_Avg_latency_ns"][port_num] - min_latency = latency["Store-Forward_Min_latency_ns"][port_num] - max_latency = latency["Store-Forward_Max_latency_ns"][port_num] - samples[port_name][key] = \ - {"Store-Forward_Avg_latency_ns": avg_latency, - "Store-Forward_Min_latency_ns": min_latency, - "Store-Forward_Max_latency_ns": max_latency} except IndexError: pass return samples - def run_traffic(self, traffic_profile): + def _initialize_client(self): + """Initialize the IXIA IxNetwork client and configure the server""" + self.client.clear_config() + self.client.assign_ports() + self.client.create_traffic_model() + + def run_traffic(self, traffic_profile, *args): if self._terminated.value: return @@ -119,16 +107,7 @@ class IxiaResourceHelper(ClientResourceHelper): default = "00:00:00:00:00:00" self._build_ports() - - # we don't know client_file_name until runtime as instantiate - client_file_name = \ - utils.find_relative_file( - self.scenario_helper.scenario_cfg['ixia_profile'], - self.scenario_helper.scenario_cfg["task_path"]) - self.client.ix_load_config(client_file_name) - time.sleep(WAIT_AFTER_CFG_LOAD) - - self.client.ix_assign_ports() + self._initialize_client() mac = {} for port_name in self.vnfd_helper.port_pairs.all_ports: @@ -140,43 +119,26 @@ class IxiaResourceHelper(ClientResourceHelper): mac["src_mac_{}".format(port_num)] = virt_intf.get("local_mac", default) mac["dst_mac_{}".format(port_num)] = virt_intf.get("dst_mac", default) - samples = {} - # Generate ixia traffic config... try: while not self._terminated.value: - traffic_profile.execute_traffic(self, self.client, mac) + first_run = traffic_profile.execute_traffic( + self, self.client, mac) self.client_started.value = 1 - time.sleep(WAIT_FOR_TRAFFIC) - self.client.ix_stop_traffic() - samples = self.generate_samples(traffic_profile.ports) + # 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, first_run=first_run) self._queue.put(samples) - status, samples = traffic_profile.get_drop_percentage(samples, min_tol, - max_tol, self.client, mac) - current = samples['CurrentDropPercentage'] - if min_tol <= current <= max_tol or status == 'Completed': + if completed: self._terminated.value = 1 - self.client.ix_stop_traffic() - self._queue.put(samples) - - if not self.rfc_helper.is_done(): - self._terminated.value = 1 - return - - traffic_profile.execute_traffic(self, self.client, mac) - for _ in range(5): - time.sleep(self.LATENCY_TIME_SLEEP) - self.client.ix_stop_traffic() - samples = self.generate_samples(traffic_profile.ports, 'latency', {}) - self._queue.put(samples) - traffic_profile.start_ixia_latency(self, self.client, mac) - if self._terminated.value: - break - - self.client.ix_stop_traffic() except Exception: # pylint: disable=broad-except - LOG.exception("Run Traffic terminated") + LOG.exception('Run Traffic terminated') self._terminated.value = 1 @@ -189,12 +151,12 @@ class IxiaTrafficGen(SampleVNFTrafficGen): APP_NAME = 'Ixia' - def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None): + def __init__(self, name, vnfd, task_id, setup_env_helper_type=None, + resource_helper_type=None): if resource_helper_type is None: resource_helper_type = IxiaResourceHelper - - super(IxiaTrafficGen, self).__init__(name, vnfd, setup_env_helper_type, - resource_helper_type) + super(IxiaTrafficGen, self).__init__( + name, vnfd, task_id, setup_env_helper_type, resource_helper_type) self._ixia_traffic_gen = None self.ixia_file_name = '' self.vnf_port_pairs = []