tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_ixia.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) 2016-2017 Intel Corporation
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #      http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #
  17
  18 from __future__ import absolute_import
  19
  20 import os
  21 import unittest
  22 import mock
  23
  24 from tests.unit import STL_MOCKS
  25
  26 STLClient = mock.MagicMock()
  27 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  28 stl_patch.start()
  29
  30 if stl_patch:
  31     from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaTrafficGen
  32     from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaRfc2544Helper
  33     from yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia import IxiaResourceHelper
  34     from yardstick.network_services.traffic_profile.base import TrafficProfile
  35
  36 TEST_FILE_YAML = 'nsb_test_case.yaml'
  37
  38 NAME = "tg__1"
  39
  40
  41 @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.IxNextgen")
  42 class TestIxiaResourceHelper(unittest.TestCase):
  43     def test___init___with_custom_rfc_helper(self, mock_ix_nextgen):
  44         class MyRfcHelper(IxiaRfc2544Helper):
  45             pass
  46
  47         ixia_resource_helper = IxiaResourceHelper(mock.Mock(), MyRfcHelper)
  48         self.assertIsInstance(ixia_resource_helper.rfc_helper, MyRfcHelper)
  49
  50     def test_stop_collect_with_client(self, mock_ix_nextgen):
  51         mock_client = mock.Mock()
  52
  53         ixia_resource_helper = IxiaResourceHelper(mock.Mock())
  54
  55         ixia_resource_helper.client = mock_client
  56         ixia_resource_helper.stop_collect()
  57         self.assertEqual(mock_client.ix_stop_traffic.call_count, 1)
  58
  59
  60 @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.IxNextgen")
  61 class TestIXIATrafficGen(unittest.TestCase):
  62     VNFD = {'vnfd:vnfd-catalog':
  63                 {'vnfd':
  64                      [{'short-name': 'VpeVnf',
  65                        'vdu':
  66                            [{'routing_table':
  67                                  [{'network': '152.16.100.20',
  68                                    'netmask': '255.255.255.0',
  69                                    'gateway': '152.16.100.20',
  70                                    'if': 'xe0'},
  71                                   {'network': '152.16.40.20',
  72                                    'netmask': '255.255.255.0',
  73                                    'gateway': '152.16.40.20',
  74                                    'if': 'xe1'}],
  75                              'description': 'VPE approximation using DPDK',
  76                              'name': 'vpevnf-baremetal',
  77                              'nd_route_tbl':
  78                                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
  79                                    'netmask': '112',
  80                                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  81                                    'if': 'xe0'},
  82                                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
  83                                    'netmask': '112',
  84                                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
  85                                    'if': 'xe1'}],
  86                              'id': 'vpevnf-baremetal',
  87                              'external-interface':
  88                                  [{'virtual-interface':
  89                                        {'dst_mac': '00:00:00:00:00:04',
  90                                         'vpci': '0000:05:00.0',
  91                                         'local_ip': '152.16.100.19',
  92                                         'type': 'PCI-PASSTHROUGH',
  93                                         'netmask': '255.255.255.0',
  94                                         'dpdk_port_num': 0,
  95                                         'bandwidth': '10 Gbps',
  96                                         'driver': "i40e",
  97                                         'dst_ip': '152.16.100.20',
  98                                         'local_iface_name': 'xe0',
  99                                         'local_mac': '00:00:00:00:00:02'},
 100                                    'vnfd-connection-point-ref': 'xe0',
 101                                    'name': 'xe0'},
 102                                   {'virtual-interface':
 103                                        {'dst_mac': '00:00:00:00:00:03',
 104                                         'vpci': '0000:05:00.1',
 105                                         'local_ip': '152.16.40.19',
 106                                         'type': 'PCI-PASSTHROUGH',
 107                                         'driver': "i40e",
 108                                         'netmask': '255.255.255.0',
 109                                         'dpdk_port_num': 1,
 110                                         'bandwidth': '10 Gbps',
 111                                         'dst_ip': '152.16.40.20',
 112                                         'local_iface_name': 'xe1',
 113                                         'local_mac': '00:00:00:00:00:01'},
 114                                    'vnfd-connection-point-ref': 'xe1',
 115                                    'name': 'xe1'}]}],
 116                        'description': 'Vpe approximation using DPDK',
 117                        'mgmt-interface':
 118                            {'vdu-id': 'vpevnf-baremetal',
 119                             'host': '1.1.1.1',
 120                             'password': 'r00t',
 121                             'user': 'root',
 122                             'ip': '1.1.1.1'},
 123                        'benchmark':
 124                            {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
 125                        'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 126                                             {'type': 'VPORT', 'name': 'xe1'}],
 127                        'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
 128
 129     TRAFFIC_PROFILE = {
 130         "schema": "isb:traffic_profile:0.1",
 131         "name": "fixed",
 132         "description": "Fixed traffic profile to run UDP traffic",
 133         "traffic_profile": {
 134             "traffic_type": "FixedTraffic",
 135             "frame_rate": 100,  # pps
 136             "flow_number": 10,
 137             "frame_size": 64}}
 138
 139     TC_YAML = {'scenarios': [{'tc_options':
 140                                   {'rfc2544': {'allowed_drop_rate': '0.8 - 1'}},
 141                               'runner': {'duration': 400,
 142                                          'interval': 35, 'type': 'Duration'},
 143                               'traffic_options':
 144                                   {'flow': 'ipv4_1flow_Packets_vpe.yaml',
 145                                    'imix': 'imix_voice.yaml'},
 146                               'vnf_options': {'vpe': {'cfg': 'vpe_config'}},
 147                               'traffic_profile': 'ipv4_throughput_vpe.yaml',
 148                               'type': 'NSPerf',
 149                               'nodes': {'tg__1': 'trafficgen_1.yardstick',
 150                                         'vnf__1': 'vnf.yardstick'},
 151                               'topology': 'vpe_vnf_topology.yaml'}],
 152                'context': {'nfvi_type': 'baremetal', 'type': 'Node',
 153                            'name': 'yardstick',
 154                            'file': '/etc/yardstick/nodes/pod.yaml'},
 155                'schema': 'yardstick:task:0.1'}
 156
 157     def test___init__(self, mock_ixnextgen):
 158         with mock.patch("yardstick.ssh.SSH") as ssh:
 159             ssh_mock = mock.Mock(autospec=ssh.SSH)
 160             ssh_mock.execute = \
 161                 mock.Mock(return_value=(0, "", ""))
 162             ssh.from_node.return_value = ssh_mock
 163             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 164             ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd)
 165
 166     def test_listen_traffic(self, mock_ixnextgen):
 167         with mock.patch("yardstick.ssh.SSH") as ssh:
 168             ssh_mock = mock.Mock(autospec=ssh.SSH)
 169             ssh_mock.execute = \
 170                 mock.Mock(return_value=(0, "", ""))
 171             ssh.from_node.return_value = ssh_mock
 172             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 173             ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd)
 174             self.assertEqual(None, ixnet_traffic_gen.listen_traffic({}))
 175
 176     def test_instantiate(self, mock_ixnextgen):
 177         with mock.patch("yardstick.ssh.SSH") as ssh:
 178             ssh_mock = mock.Mock(autospec=ssh.SSH)
 179             ssh_mock.execute = \
 180                 mock.Mock(return_value=(0, "", ""))
 181             ssh_mock.run = \
 182                 mock.Mock(return_value=(0, "", ""))
 183             ssh.from_node.return_value = ssh_mock
 184             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 185             ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd)
 186             scenario_cfg = {'tc': "nsb_test_case", "topology": "",
 187                             'ixia_profile': "ixload.cfg"}
 188             scenario_cfg.update({'options': {'packetsize': 64,
 189                                              'traffic_type': 4,
 190                                              'rfc2544': {'allowed_drop_rate': '0.8 - 1'},
 191                                              'vnf__1': {'rules': 'acl_1rule.yaml',
 192                                                         'vnf_config': {'lb_config': 'SW',
 193                                                                        'lb_count': 1,
 194                                                                        'worker_config':
 195                                                                            '1C/1T',
 196                                                                        'worker_threads': 1}}
 197                                              }})
 198             ixnet_traffic_gen.topology = ""
 199             ixnet_traffic_gen.get_ixobj = mock.MagicMock()
 200             ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock()
 201             ixnet_traffic_gen._ixia_traffic_gen._connect = mock.Mock()
 202             self.assertRaises(
 203                 IOError,
 204                 ixnet_traffic_gen.instantiate(scenario_cfg, {}))
 205
 206     def test_collect_kpi(self, mock_ixnextgen):
 207         with mock.patch("yardstick.ssh.SSH") as ssh:
 208             ssh_mock = mock.Mock(autospec=ssh.SSH)
 209             ssh_mock.execute = \
 210                 mock.Mock(return_value=(0, "", ""))
 211             ssh.from_node.return_value = ssh_mock
 212             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 213             ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd)
 214             ixnet_traffic_gen.data = {}
 215             restult = ixnet_traffic_gen.collect_kpi()
 216             self.assertEqual({}, restult)
 217
 218     def test_terminate(self, mock_ixnextgen):
 219         with mock.patch("yardstick.ssh.SSH") as ssh:
 220             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 221             ssh_mock = mock.Mock(autospec=ssh.SSH)
 222             ssh_mock.execute = \
 223                 mock.Mock(return_value=(0, "", ""))
 224             ssh.from_node.return_value = ssh_mock
 225             ixnet_traffic_gen = IxiaTrafficGen(NAME, vnfd)
 226             ixnet_traffic_gen._terminated = mock.MagicMock()
 227             ixnet_traffic_gen._terminated.value = 0
 228             ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock()
 229             ixnet_traffic_gen._ixia_traffic_gen.ix_stop_traffic = mock.Mock()
 230             ixnet_traffic_gen._traffic_process = mock.MagicMock()
 231             ixnet_traffic_gen._traffic_process.terminate = mock.Mock()
 232             self.assertEqual(None, ixnet_traffic_gen.terminate())
 233
 234     def _get_file_abspath(self, filename):
 235         curr_path = os.path.dirname(os.path.abspath(__file__))
 236         file_path = os.path.join(curr_path, filename)
 237         return file_path
 238
 239     def test_scale(self, mock_ix_nextgen):
 240         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 241         sut = IxiaTrafficGen('vnf1', vnfd)
 242         sut.scale()
 243
 244     def test__check_status(self, mock_ix_nextgen):
 245         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 246         sut = IxiaTrafficGen('vnf1', vnfd)
 247         sut._check_status()
 248
 249     @mock.patch("yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.time")
 250     @mock.patch("yardstick.ssh.SSH")
 251     def test_traffic_runner(self, mock_ixnextgen, mock_ssh, mock_time):
 252         mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
 253         mock_traffic_profile.get_traffic_definition.return_value = "64"
 254         mock_traffic_profile.params = self.TRAFFIC_PROFILE
 255         mock_traffic_profile.ports = [0, 1]
 256
 257         mock_ssh_instance = mock.Mock(autospec=mock_ssh.SSH)
 258         mock_ssh_instance.execute.return_value = 0, "", ""
 259         mock_ssh_instance.run.return_value = 0, "", ""
 260
 261         mock_ssh.from_node.return_value = mock_ssh_instance
 262
 263         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 264         vnfd["mgmt-interface"].update({
 265             'tg-config': {
 266                 "ixchassis": "1.1.1.1",
 267                 "py_bin_path": "/root",
 268             }
 269         })
 270
 271         samples = {}
 272         name = ''
 273         for ifname in range(1):
 274             name = "xe{}".format(ifname)
 275             samples[name] = {
 276                 "Rx_Rate_Kbps": 20,
 277                 "Tx_Rate_Kbps": 20,
 278                 "Rx_Rate_Mbps": 10,
 279                 "Tx_Rate_Mbps": 10,
 280                 "RxThroughput": 10,
 281                 "TxThroughput": 10,
 282                 "Valid_Frames_Rx": 1000,
 283                 "Frames_Tx": 1000,
 284                 "in_packets": 1000,
 285                 "out_packets": 1000,
 286             }
 287
 288         samples.update({"CurrentDropPercentage": 0.0})
 289
 290         last_res = [
 291             0,
 292             {
 293                 "Rx_Rate_Kbps": [20, 20],
 294                 "Tx_Rate_Kbps": [20, 20],
 295                 "Rx_Rate_Mbps": [10, 10],
 296                 "Tx_Rate_Mbps": [10, 10],
 297                 "CurrentDropPercentage": [0, 0],
 298                 "RxThroughput": [10, 10],
 299                 "TxThroughput": [10, 10],
 300                 "Frames_Tx": [1000, 1000],
 301                 "in_packets": [1000, 1000],
 302                 "Valid_Frames_Rx": [1000, 1000],
 303                 "out_packets": [1000, 1000],
 304             },
 305         ]
 306
 307         mock_traffic_profile.execute_traffic.return_value = ['Completed', samples]
 308         mock_traffic_profile.get_drop_percentage.return_value = ['Completed', samples]
 309
 310         sut = IxiaTrafficGen(name, vnfd)
 311         sut.vnf_port_pairs = [[[0], [1]]]
 312         sut.tc_file_name = self._get_file_abspath(TEST_FILE_YAML)
 313         sut.topology = ""
 314
 315         sut.ssh_helper = mock.Mock()
 316         sut._traffic_process = mock.MagicMock()
 317         sut.generate_port_pairs = mock.Mock()
 318
 319         sut._ixia_traffic_gen = mock.MagicMock()
 320         sut._ixia_traffic_gen.ix_get_statistics.return_value = last_res
 321
 322         sut.resource_helper.client = mock.MagicMock()
 323         sut.resource_helper.client_started = mock.MagicMock()
 324         sut.resource_helper.client_started.value = 1
 325         sut.resource_helper.rfc_helper.iteration.value = 11
 326
 327         sut.scenario_helper.scenario_cfg = {
 328             'options': {
 329                 'packetsize': 64,
 330                 'traffic_type': 4,
 331                 'rfc2544': {
 332                     'allowed_drop_rate': '0.8 - 1',
 333                     'latency': True
 334                 },
 335                 'vnf__1': {
 336                     'rules': 'acl_1rule.yaml',
 337                     'vnf_config': {
 338                         'lb_config': 'SW',
 339                         'lb_count': 1,
 340                         'worker_config': '1C/1T',
 341                         'worker_threads': 1,
 342                     },
 343                 },
 344             },
 345             'ixia_profile': '/path/to/profile',
 346             'task_path': '/path/to/task'
 347         }
 348
 349         with mock.patch('yardstick.benchmark.scenarios.networking.vnf_generic.open',
 350                         create=True) as mock_open:
 351             mock_open.return_value = mock.MagicMock()
 352             result = sut._traffic_runner(mock_traffic_profile)
 353             self.assertIsNone(result)