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

   1 # Copyright (c) 2016-2017 Intel Corporation
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #      http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import os
  16
  17 import mock
  18 import six
  19 import unittest
  20
  21 from yardstick.network_services.vnf_generic.vnf import tg_rfc2544_ixia
  22 from yardstick.network_services.traffic_profile import base as tp_base
  23
  24
  25 TEST_FILE_YAML = 'nsb_test_case.yaml'
  26
  27 NAME = "tg__1"
  28
  29
  30 class TestIxiaResourceHelper(unittest.TestCase):
  31
  32     def setUp(self):
  33         self._mock_IxNextgen = mock.patch.object(tg_rfc2544_ixia,
  34                                                  'IxNextgen')
  35         self.mock_IxNextgen = self._mock_IxNextgen.start()
  36         self.addCleanup(self._stop_mocks)
  37
  38     def _stop_mocks(self):
  39         self._mock_IxNextgen.stop()
  40
  41     def test___init___with_custom_rfc_helper(self):
  42         class MyRfcHelper(tg_rfc2544_ixia.IxiaRfc2544Helper):
  43             pass
  44
  45         ixia_resource_helper = tg_rfc2544_ixia.IxiaResourceHelper(
  46             mock.Mock(), MyRfcHelper)
  47         self.assertIsInstance(ixia_resource_helper.rfc_helper, MyRfcHelper)
  48
  49     def test_stop_collect_with_client(self):
  50         mock_client = mock.Mock()
  51
  52         ixia_resource_helper = tg_rfc2544_ixia.IxiaResourceHelper(mock.Mock())
  53
  54         ixia_resource_helper.client = mock_client
  55         ixia_resource_helper.stop_collect()
  56         mock_client.ix_stop_traffic.assert_called_once()
  57
  58     def test_run_traffic(self):
  59         mock_tprofile = mock.Mock()
  60         mock_tprofile.get_drop_percentage.return_value = True, 'fake_samples'
  61         ixia_rhelper = tg_rfc2544_ixia.IxiaResourceHelper(mock.Mock())
  62         ixia_rhelper.rfc_helper = mock.Mock()
  63         ixia_rhelper.vnfd_helper = mock.Mock()
  64         ixia_rhelper.vnfd_helper.port_pairs.all_ports = []
  65         with mock.patch.object(ixia_rhelper, 'generate_samples'), \
  66                 mock.patch.object(ixia_rhelper, '_build_ports'), \
  67                 mock.patch.object(ixia_rhelper, '_initialize_client'):
  68             ixia_rhelper.run_traffic(mock_tprofile)
  69
  70         self.assertEqual('fake_samples', ixia_rhelper._queue.get())
  71
  72
  73 @mock.patch(
  74     "yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.IxNextgen")
  75 class TestIXIATrafficGen(unittest.TestCase):
  76     VNFD = {'vnfd:vnfd-catalog':
  77             {'vnfd':
  78              [{'short-name': 'VpeVnf',
  79                'vdu':
  80                [{'routing_table':
  81                              [{'network': '152.16.100.20',
  82                                'netmask': '255.255.255.0',
  83                                'gateway': '152.16.100.20',
  84                                'if': 'xe0'},
  85                               {'network': '152.16.40.20',
  86                                'netmask': '255.255.255.0',
  87                                'gateway': '152.16.40.20',
  88                                'if': 'xe1'}],
  89                              'description': 'VPE approximation using DPDK',
  90                              'name': 'vpevnf-baremetal',
  91                              'nd_route_tbl':
  92                                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
  93                                    'netmask': '112',
  94                                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  95                                    'if': 'xe0'},
  96                                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
  97                                    'netmask': '112',
  98                                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
  99                                    'if': 'xe1'}],
 100                              'id': 'vpevnf-baremetal',
 101                              'external-interface':
 102                                  [{'virtual-interface':
 103                                    {'dst_mac': '00:00:00:00:00:04',
 104                                     'vpci': '0000:05:00.0',
 105                                     'local_ip': '152.16.100.19',
 106                                     'type': 'PCI-PASSTHROUGH',
 107                                     'netmask': '255.255.255.0',
 108                                     'dpdk_port_num': 0,
 109                                     'bandwidth': '10 Gbps',
 110                                     'driver': "i40e",
 111                                     'dst_ip': '152.16.100.20',
 112                                     'local_iface_name': 'xe0',
 113                                     'local_mac': '00:00:00:00:00:02'},
 114                                    'vnfd-connection-point-ref': 'xe0',
 115                                    'name': 'xe0'},
 116                                   {'virtual-interface':
 117                                    {'dst_mac': '00:00:00:00:00:03',
 118                                     'vpci': '0000:05:00.1',
 119                                     'local_ip': '152.16.40.19',
 120                                     'type': 'PCI-PASSTHROUGH',
 121                                     'driver': "i40e",
 122                                     'netmask': '255.255.255.0',
 123                                     'dpdk_port_num': 1,
 124                                     'bandwidth': '10 Gbps',
 125                                     'dst_ip': '152.16.40.20',
 126                                     'local_iface_name': 'xe1',
 127                                     'local_mac': '00:00:00:00:00:01'},
 128                                    'vnfd-connection-point-ref': 'xe1',
 129                                    'name': 'xe1'}]}],
 130                'description': 'Vpe approximation using DPDK',
 131                'mgmt-interface':
 132                {'vdu-id': 'vpevnf-baremetal',
 133                 'host': '1.1.1.1',
 134                 'password': 'r00t',
 135                             'user': 'root',
 136                             'ip': '1.1.1.1'},
 137                'benchmark':
 138                {'kpi': ['packets_in', 'packets_fwd',
 139                         'packets_dropped']},
 140                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 141                                     {'type': 'VPORT', 'name': 'xe1'}],
 142                'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
 143
 144     TRAFFIC_PROFILE = {
 145         "schema": "isb:traffic_profile:0.1",
 146         "name": "fixed",
 147         "description": "Fixed traffic profile to run UDP traffic",
 148         "traffic_profile": {
 149             "traffic_type": "FixedTraffic",
 150             "frame_rate": 100,  # pps
 151             "flow_number": 10,
 152             "frame_size": 64}}
 153
 154     TC_YAML = {'scenarios': [{'tc_options':
 155                               {'rfc2544': {'allowed_drop_rate': '0.8 - 1'}},
 156                               'runner': {'duration': 400,
 157                                          'interval': 35, 'type': 'Duration'},
 158                               'traffic_options':
 159                                   {'flow': 'ipv4_1flow_Packets_vpe.yaml',
 160                                    'imix': 'imix_voice.yaml'},
 161                               'vnf_options': {'vpe': {'cfg': 'vpe_config'}},
 162                               'traffic_profile': 'ipv4_throughput_vpe.yaml',
 163                               'type': 'NSPerf',
 164                               'nodes': {'tg__1': 'trafficgen_1.yardstick',
 165                                         'vnf__1': 'vnf.yardstick'},
 166                               'topology': 'vpe_vnf_topology.yaml'}],
 167                'context': {'nfvi_type': 'baremetal', 'type': 'Node',
 168                            'name': 'yardstick',
 169                            'file': '/etc/yardstick/nodes/pod.yaml'},
 170                'schema': 'yardstick:task:0.1'}
 171
 172     def test___init__(self, *args):
 173         with mock.patch("yardstick.ssh.SSH") as ssh:
 174             ssh_mock = mock.Mock(autospec=ssh.SSH)
 175             ssh_mock.execute = \
 176                 mock.Mock(return_value=(0, "", ""))
 177             ssh.from_node.return_value = ssh_mock
 178             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 179             # NOTE(ralonsoh): check the object returned.
 180             tg_rfc2544_ixia.IxiaTrafficGen(NAME, vnfd)
 181
 182     def test_listen_traffic(self, *args):
 183         with mock.patch("yardstick.ssh.SSH") as ssh:
 184             ssh_mock = mock.Mock(autospec=ssh.SSH)
 185             ssh_mock.execute = \
 186                 mock.Mock(return_value=(0, "", ""))
 187             ssh.from_node.return_value = ssh_mock
 188             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 189             ixnet_traffic_gen = tg_rfc2544_ixia.IxiaTrafficGen(NAME, vnfd)
 190             self.assertIsNone(ixnet_traffic_gen.listen_traffic({}))
 191
 192     def test_instantiate(self, *args):
 193         with mock.patch("yardstick.ssh.SSH") as ssh:
 194             ssh_mock = mock.Mock(autospec=ssh.SSH)
 195             ssh_mock.execute = \
 196                 mock.Mock(return_value=(0, "", ""))
 197             ssh_mock.run = \
 198                 mock.Mock(return_value=(0, "", ""))
 199             ssh.from_node.return_value = ssh_mock
 200             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 201             ixnet_traffic_gen = tg_rfc2544_ixia.IxiaTrafficGen(NAME, vnfd)
 202             scenario_cfg = {'tc': "nsb_test_case", "topology": "",
 203                             'ixia_profile': "ixload.cfg"}
 204             scenario_cfg.update(
 205                 {
 206                     'options': {
 207                         'packetsize': 64,
 208                         'traffic_type': 4,
 209                         'rfc2544': {
 210                             'allowed_drop_rate': '0.8 - 1'},
 211                         'vnf__1': {
 212                             'rules': 'acl_1rule.yaml',
 213                             'vnf_config': {
 214                                 'lb_config': 'SW',
 215                                 'lb_count': 1,
 216                                 'worker_config': '1C/1T',
 217                                 'worker_threads': 1}}}})
 218             ixnet_traffic_gen.topology = ""
 219             ixnet_traffic_gen.get_ixobj = mock.MagicMock()
 220             ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock()
 221             ixnet_traffic_gen._ixia_traffic_gen._connect = mock.Mock()
 222             self.assertRaises(
 223                 IOError,
 224                 ixnet_traffic_gen.instantiate(scenario_cfg, {}))
 225
 226     def test_collect_kpi(self, *args):
 227         with mock.patch("yardstick.ssh.SSH") as ssh:
 228             ssh_mock = mock.Mock(autospec=ssh.SSH)
 229             ssh_mock.execute = \
 230                 mock.Mock(return_value=(0, "", ""))
 231             ssh.from_node.return_value = ssh_mock
 232             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 233             ixnet_traffic_gen = tg_rfc2544_ixia.IxiaTrafficGen(NAME, vnfd)
 234             ixnet_traffic_gen.data = {}
 235             restult = ixnet_traffic_gen.collect_kpi()
 236             self.assertEqual({}, restult)
 237
 238     def test_terminate(self, *args):
 239         with mock.patch("yardstick.ssh.SSH") as ssh:
 240             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 241             ssh_mock = mock.Mock(autospec=ssh.SSH)
 242             ssh_mock.execute = \
 243                 mock.Mock(return_value=(0, "", ""))
 244             ssh.from_node.return_value = ssh_mock
 245             ixnet_traffic_gen = tg_rfc2544_ixia.IxiaTrafficGen(NAME, vnfd)
 246             ixnet_traffic_gen._terminated = mock.MagicMock()
 247             ixnet_traffic_gen._terminated.value = 0
 248             ixnet_traffic_gen._ixia_traffic_gen = mock.MagicMock()
 249             ixnet_traffic_gen._ixia_traffic_gen.ix_stop_traffic = mock.Mock()
 250             ixnet_traffic_gen._traffic_process = mock.MagicMock()
 251             ixnet_traffic_gen._traffic_process.terminate = mock.Mock()
 252             self.assertIsNone(ixnet_traffic_gen.terminate())
 253
 254     def _get_file_abspath(self, filename):
 255         curr_path = os.path.dirname(os.path.abspath(__file__))
 256         file_path = os.path.join(curr_path, filename)
 257         return file_path
 258
 259     def test__check_status(self, *args):
 260         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 261         sut = tg_rfc2544_ixia.IxiaTrafficGen('vnf1', vnfd)
 262         sut._check_status()
 263
 264     @mock.patch("yardstick.ssh.SSH")
 265     def test_traffic_runner(self, mock_ssh, *args):
 266         mock_traffic_profile = mock.Mock(autospec=tp_base.TrafficProfile)
 267         mock_traffic_profile.get_traffic_definition.return_value = "64"
 268         mock_traffic_profile.params = self.TRAFFIC_PROFILE
 269         # traffic_profile.ports is standardized on port_num
 270         mock_traffic_profile.ports = [0, 1]
 271
 272         mock_ssh_instance = mock.Mock(autospec=mock_ssh.SSH)
 273         mock_ssh_instance.execute.return_value = 0, "", ""
 274         mock_ssh_instance.run.return_value = 0, "", ""
 275
 276         mock_ssh.from_node.return_value = mock_ssh_instance
 277
 278         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 279         vnfd["mgmt-interface"].update({
 280             'tg-config': {
 281                 "ixchassis": "1.1.1.1",
 282                 "py_bin_path": "/root",
 283             }
 284         })
 285
 286         samples = {}
 287         name = ''
 288         for ifname in range(1):
 289             name = "xe{}".format(ifname)
 290             samples[name] = {
 291                 "Rx_Rate_Kbps": 20,
 292                 "Tx_Rate_Kbps": 20,
 293                 "Rx_Rate_Mbps": 10,
 294                 "Tx_Rate_Mbps": 10,
 295                 "RxThroughput": 10,
 296                 "TxThroughput": 10,
 297                 "Valid_Frames_Rx": 1000,
 298                 "Frames_Tx": 1000,
 299                 "in_packets": 1000,
 300                 "out_packets": 1000,
 301             }
 302
 303         samples.update({"CurrentDropPercentage": 0.0})
 304
 305         last_res = [
 306             0,
 307             {
 308                 "Rx_Rate_Kbps": [20, 20],
 309                 "Tx_Rate_Kbps": [20, 20],
 310                 "Rx_Rate_Mbps": [10, 10],
 311                 "Tx_Rate_Mbps": [10, 10],
 312                 "CurrentDropPercentage": [0, 0],
 313                 "RxThroughput": [10, 10],
 314                 "TxThroughput": [10, 10],
 315                 "Frames_Tx": [1000, 1000],
 316                 "in_packets": [1000, 1000],
 317                 "Valid_Frames_Rx": [1000, 1000],
 318                 "out_packets": [1000, 1000],
 319             },
 320         ]
 321
 322         mock_traffic_profile.execute_traffic.return_value = [
 323             'Completed', samples]
 324         mock_traffic_profile.get_drop_percentage.return_value = [
 325             'Completed', samples]
 326
 327         sut = tg_rfc2544_ixia.IxiaTrafficGen(name, vnfd)
 328         sut.vnf_port_pairs = [[[0], [1]]]
 329         sut.tc_file_name = self._get_file_abspath(TEST_FILE_YAML)
 330         sut.topology = ""
 331
 332         sut.ssh_helper = mock.Mock()
 333         sut._traffic_process = mock.MagicMock()
 334         sut.generate_port_pairs = mock.Mock()
 335
 336         sut._ixia_traffic_gen = mock.MagicMock()
 337         sut._ixia_traffic_gen.ix_get_statistics.return_value = last_res
 338
 339         sut.resource_helper.client = mock.MagicMock()
 340         sut.resource_helper.client_started = mock.MagicMock()
 341         sut.resource_helper.client_started.value = 1
 342         sut.resource_helper.rfc_helper.iteration.value = 11
 343
 344         sut.scenario_helper.scenario_cfg = {
 345             'options': {
 346                 'packetsize': 64,
 347                 'traffic_type': 4,
 348                 'rfc2544': {
 349                     'allowed_drop_rate': '0.8 - 1',
 350                     'latency': True
 351                 },
 352                 'vnf__1': {
 353                     'rules': 'acl_1rule.yaml',
 354                     'vnf_config': {
 355                         'lb_config': 'SW',
 356                         'lb_count': 1,
 357                         'worker_config': '1C/1T',
 358                         'worker_threads': 1,
 359                     },
 360                 },
 361             },
 362             'ixia_profile': '/path/to/profile',
 363             'task_path': '/path/to/task'
 364         }
 365
 366         @mock.patch.object(six.moves.builtins, 'open', create=True)
 367         @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.open',
 368                     mock.mock_open(), create=True)
 369         @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.LOG.exception')
 370         def _traffic_runner(*args):
 371             result = sut._traffic_runner(mock_traffic_profile)
 372             self.assertIsNone(result)
 373
 374         _traffic_runner()