yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_trex.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
  16 import copy
  17
  18 import mock
  19 import unittest
  20
  21 from yardstick.tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
  22 from yardstick.tests import STL_MOCKS
  23
  24
  25 SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
  26 NAME = 'vnf_1'
  27
  28 STLClient = mock.MagicMock()
  29 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  30 stl_patch.start()
  31
  32 if stl_patch:
  33     from yardstick.network_services.vnf_generic.vnf.tg_trex import \
  34         TrexTrafficGen, TrexResourceHelper
  35     from yardstick.network_services.traffic_profile.base import TrafficProfile
  36
  37
  38 class TestTrexTrafficGen(unittest.TestCase):
  39     VNFD = {'vnfd:vnfd-catalog':
  40             {'vnfd':
  41              [{'short-name': 'VpeVnf',
  42                'vdu':
  43                [{'routing_table':
  44                              [{'network': '152.16.100.20',
  45                                'netmask': '255.255.255.0',
  46                                'gateway': '152.16.100.20',
  47                                'if': 'xe0'},
  48                               {'network': '152.16.40.20',
  49                                'netmask': '255.255.255.0',
  50                                'gateway': '152.16.40.20',
  51                                'if': 'xe1'}],
  52                              'description': 'VPE approximation using DPDK',
  53                              'name': 'vpevnf-baremetal',
  54                              'nd_route_tbl':
  55                                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
  56                                    'netmask': '112',
  57                                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  58                                    'if': 'xe0'},
  59                                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
  60                                    'netmask': '112',
  61                                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
  62                                    'if': 'xe1'}],
  63                              'id': 'vpevnf-baremetal',
  64                              'external-interface':
  65                                  [{'virtual-interface':
  66                                    {'dst_mac': '00:00:00:00:00:04',
  67                                     'vpci': '0000:05:00.0',
  68                                     'local_ip': '152.16.100.19',
  69                                     'type': 'PCI-PASSTHROUGH',
  70                                     'netmask': '255.255.255.0',
  71                                     'dpdk_port_num': 0,
  72                                     'bandwidth': '10 Gbps',
  73                                     'driver': "i40e",
  74                                     'dst_ip': '152.16.100.20',
  75                                     'local_iface_name': 'xe0',
  76                                     'vld_id': 'downlink_0',
  77                                     'ifname': 'xe0',
  78                                     'local_mac': '00:00:00:00:00:02'},
  79                                    'vnfd-connection-point-ref': 'xe0',
  80                                    'name': 'xe0'},
  81                                   {'virtual-interface':
  82                                    {'dst_mac': '00:00:00:00:00:03',
  83                                     'vpci': '0000:05:00.1',
  84                                     'local_ip': '152.16.40.19',
  85                                     'type': 'PCI-PASSTHROUGH',
  86                                     'driver': "i40e",
  87                                     'netmask': '255.255.255.0',
  88                                     'dpdk_port_num': 1,
  89                                     'bandwidth': '10 Gbps',
  90                                     'dst_ip': '152.16.40.20',
  91                                     'local_iface_name': 'xe1',
  92                                     'vld_id': 'uplink_0',
  93                                     'ifname': 'xe1',
  94                                     'local_mac': '00:00:00:00:00:01'},
  95                                    'vnfd-connection-point-ref': 'xe1',
  96                                    'name': 'xe1'}]}],
  97                'description': 'Vpe approximation using DPDK',
  98                'mgmt-interface':
  99                {'vdu-id': 'vpevnf-baremetal',
 100                 'host': '1.1.1.1',
 101                 'password': 'r00t',
 102                             'user': 'root',
 103                             'ip': '1.1.1.1'},
 104                'benchmark':
 105                {'kpi': ['packets_in', 'packets_fwd',
 106                         'packets_dropped']},
 107                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 108                                     {'type': 'VPORT', 'name': 'xe1'}],
 109                'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
 110
 111     TRAFFIC_PROFILE = {
 112         "schema": "isb:traffic_profile:0.1",
 113         "name": "fixed",
 114         "description": "Fixed traffic profile to run UDP traffic",
 115         "traffic_profile": {
 116             "traffic_type": "FixedTraffic",
 117             "frame_rate": 100,  # pps
 118             "flow_number": 10,
 119             "frame_size": 64
 120         },
 121     }
 122
 123     SCENARIO_CFG = {
 124         "options": {
 125             "packetsize": 64,
 126             "traffic_type": 4,
 127             "rfc2544": {
 128                 "allowed_drop_rate": "0.8 - 1",
 129             },
 130             "vnf__1": {
 131                 "rules": "acl_1rule.yaml",
 132                 "vnf_config": {
 133                     "lb_config": "SW",
 134                     "lb_count": 1,
 135                     "worker_config": "1C/1T",
 136                     "worker_threads": 1,
 137                 }
 138             }
 139         },
 140         "task_id": "a70bdf4a-8e67-47a3-9dc1-273c14506eb7",
 141         "tc": "tc_ipv4_1Mflow_64B_packetsize",
 142         "runner": {
 143             "object": "NetworkServiceTestCase",
 144             "interval": 35,
 145             "output_filename": "/tmp/yardstick.out",
 146             "runner_id": 74476, "duration": 400,
 147             "type": "Duration"
 148         },
 149         "traffic_profile": "ipv4_throughput_acl.yaml",
 150         "traffic_options": {
 151             "flow": "ipv4_Packets_acl.yaml",
 152             "imix": "imix_voice.yaml"
 153         },
 154         "type": "ISB",
 155         "nodes": {
 156             "tg__2": "trafficgen_2.yardstick",
 157             "tg__1": "trafficgen_1.yardstick",
 158             "vnf__1": "vnf.yardstick"
 159         },
 160         "topology": "udpreplay-tg-topology-baremetal.yaml"
 161     }
 162
 163     CONTEXT_CFG = {
 164         "nodes": {
 165             "vnf__1": {
 166                 "vnfd-id-ref": "vnf__1",
 167                 "ip": "1.2.1.1",
 168                 "interfaces": {
 169                     "xe0": {
 170                         "local_iface_name": "ens786f0",
 171                         "vld_id": TrafficProfile.UPLINK,
 172                         "netmask": "255.255.255.0",
 173                         "vpci": "0000:05:00.0",
 174                         "local_ip": "152.16.100.19",
 175                         "driver": "i40e",
 176                         "dst_ip": "152.16.100.20",
 177                         "local_mac": "00:00:00:00:00:02",
 178                         "dst_mac": "00:00:00:00:00:04",
 179                         "dpdk_port_num": 0
 180                     },
 181                     "xe1": {
 182                         "local_iface_name": "ens786f1",
 183                         "vld_id": TrafficProfile.DOWNLINK,
 184                         "netmask": "255.255.255.0",
 185                         "vpci": "0000:05:00.1",
 186                         "local_ip": "152.16.40.19",
 187                         "driver": "i40e",
 188                         "dst_ip": "152.16.40.20",
 189                         "local_mac": "00:00:00:00:00:01",
 190                         "dst_mac": "00:00:00:00:00:03",
 191                         "dpdk_port_num": 1
 192                     }
 193                 },
 194                 "host": "1.2.1.1",
 195                 "user": "root",
 196                 "nd_route_tbl": [
 197                     {
 198                         "netmask": "112",
 199                         "if": "xe0",
 200                         "gateway": "0064:ff9b:0:0:0:0:9810:6414",
 201                         "network": "0064:ff9b:0:0:0:0:9810:6414"
 202                     },
 203                     {
 204                         "netmask": "112",
 205                         "if": "xe1",
 206                         "gateway": "0064:ff9b:0:0:0:0:9810:2814",
 207                         "network": "0064:ff9b:0:0:0:0:9810:2814"
 208                     }
 209                 ],
 210                 "password": "r00t",
 211                 "VNF model": "udp_replay.yaml",
 212                 "name": "vnf.yardstick",
 213                 "member-vnf-index": "2",
 214                 "routing_table": [
 215                     {
 216                         "netmask": "255.255.255.0",
 217                         "if": "xe0",
 218                         "gateway": "152.16.100.20",
 219                         "network": "152.16.100.20"
 220                     },
 221                     {
 222                         "netmask": "255.255.255.0",
 223                         "if": "xe1",
 224                         "gateway": "152.16.40.20",
 225                         "network": "152.16.40.20"
 226                     }
 227                 ],
 228                 "role": "vnf"
 229             },
 230             "trafficgen_2.yardstick": {
 231                 "member-vnf-index": "3",
 232                 "role": "TrafficGen",
 233                 "name": "trafficgen_2.yardstick",
 234                 "vnfd-id-ref": "tg__2",
 235                 "ip": "1.2.1.1",
 236                 "interfaces": {
 237                     "xe0": {
 238                         "local_iface_name": "ens513f0",
 239                         "vld_id": TrafficProfile.DOWNLINK,
 240                         "netmask": "255.255.255.0",
 241                         "vpci": "0000:02:00.0",
 242                         "local_ip": "152.16.40.20",
 243                         "driver": "ixgbe",
 244                         "dst_ip": "152.16.40.19",
 245                         "local_mac": "00:00:00:00:00:03",
 246                         "dst_mac": "00:00:00:00:00:01",
 247                         "dpdk_port_num": 0
 248                     },
 249                     "xe1": {
 250                         "local_iface_name": "ens513f1",
 251                         "netmask": "255.255.255.0",
 252                         "network": "202.16.100.0",
 253                         "local_ip": "202.16.100.20",
 254                         "driver": "ixgbe",
 255                         "local_mac": "00:1e:67:d0:60:5d",
 256                         "vpci": "0000:02:00.1",
 257                         "dpdk_port_num": 1
 258                     }
 259                 },
 260                 "password": "r00t",
 261                 "VNF model": "l3fwd_vnf.yaml",
 262                 "user": "root"
 263             },
 264             "trafficgen_1.yardstick": {
 265                 "member-vnf-index": "1",
 266                 "role": "TrafficGen",
 267                 "name": "trafficgen_1.yardstick",
 268                 "vnfd-id-ref": "tg__1",
 269                 "ip": "1.2.1.1",
 270                 "interfaces": {
 271                     "xe0": {
 272                         "local_iface_name": "ens785f0",
 273                         "vld_id": TrafficProfile.UPLINK,
 274                         "netmask": "255.255.255.0",
 275                         "vpci": "0000:05:00.0",
 276                         "local_ip": "152.16.100.20",
 277                         "driver": "i40e",
 278                         "dst_ip": "152.16.100.19",
 279                         "local_mac": "00:00:00:00:00:04",
 280                         "dst_mac": "00:00:00:00:00:02",
 281                         "dpdk_port_num": 0
 282                     },
 283                     "xe1": {
 284                         "local_ip": "152.16.100.21",
 285                         "driver": "i40e",
 286                         "vpci": "0000:05:00.1",
 287                         "dpdk_port_num": 1,
 288                         "local_iface_name": "ens785f1",
 289                         "netmask": "255.255.255.0",
 290                         "local_mac": "00:00:00:00:00:01"
 291                     }
 292                 },
 293                 "password": "r00t",
 294                 "VNF model": "tg_rfc2544_tpl.yaml",
 295                 "user": "root"
 296             }
 297         }
 298     }
 299
 300     @mock.patch(SSH_HELPER)
 301     def test___init__(self, ssh):
 302         mock_ssh(ssh)
 303         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 304         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 305         self.assertIsInstance(
 306             trex_traffic_gen.resource_helper, TrexResourceHelper)
 307
 308     @mock.patch(SSH_HELPER)
 309     def test_collect_kpi(self, ssh):
 310         mock_ssh(ssh)
 311         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 312         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 313         trex_traffic_gen.resource_helper._queue.put({})
 314         result = trex_traffic_gen.collect_kpi()
 315         self.assertEqual({}, result)
 316
 317     @mock.patch(SSH_HELPER)
 318     def test_listen_traffic(self, ssh):
 319         mock_ssh(ssh)
 320         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 321         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 322         self.assertIsNone(trex_traffic_gen.listen_traffic({}))
 323
 324     @mock.patch(SSH_HELPER)
 325     def test_instantiate(self, ssh):
 326         mock_ssh(ssh)
 327
 328         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 329         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 330         trex_traffic_gen._start_server = mock.Mock(return_value=0)
 331         trex_traffic_gen._tg_process = mock.MagicMock()
 332         trex_traffic_gen._tg_process.start = mock.Mock()
 333         trex_traffic_gen._tg_process.exitcode = 0
 334         trex_traffic_gen._tg_process._is_alive = mock.Mock(return_value=1)
 335         trex_traffic_gen.ssh_helper = mock.MagicMock()
 336         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 337         trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock()
 338
 339         self.assertIsNone(trex_traffic_gen.instantiate(
 340             self.SCENARIO_CFG, self.CONTEXT_CFG))
 341
 342     @mock.patch(SSH_HELPER)
 343     def test_instantiate_error(self, ssh):
 344         mock_ssh(ssh, exec_result=(1, "", ""))
 345
 346         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 347         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 348         trex_traffic_gen._start_server = mock.Mock(return_value=0)
 349         trex_traffic_gen._tg_process = mock.MagicMock()
 350         trex_traffic_gen._tg_process.start = mock.Mock()
 351         trex_traffic_gen._tg_process._is_alive = mock.Mock(return_value=0)
 352         trex_traffic_gen.ssh_helper = mock.MagicMock()
 353         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 354         trex_traffic_gen.setup_helper.setup_vnf_environment = mock.MagicMock()
 355         self.assertIsNone(trex_traffic_gen.instantiate(
 356             self.SCENARIO_CFG, self.CONTEXT_CFG))
 357
 358     @mock.patch(SSH_HELPER)
 359     def test__start_server(self, ssh):
 360         mock_ssh(ssh)
 361         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 362         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 363         trex_traffic_gen.ssh_helper = mock.MagicMock()
 364         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 365         trex_traffic_gen.scenario_helper.scenario_cfg = {}
 366         self.assertIsNone(trex_traffic_gen._start_server())
 367
 368     @mock.patch(SSH_HELPER)
 369     def test__start_server_multiple_queues(self, ssh):
 370         mock_ssh(ssh)
 371         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 372         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 373         trex_traffic_gen.ssh_helper = mock.MagicMock()
 374         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 375         trex_traffic_gen.scenario_helper.scenario_cfg = {
 376             "options": {NAME: {"queues_per_port": 2}}}
 377         self.assertIsNone(trex_traffic_gen._start_server())
 378
 379     @mock.patch(SSH_HELPER)
 380     def test__traffic_runner(self, ssh):
 381         mock_ssh(ssh)
 382
 383         mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
 384         mock_traffic_profile.get_traffic_definition.return_value = "64"
 385         mock_traffic_profile.execute_traffic.return_value = "64"
 386         mock_traffic_profile.params = self.TRAFFIC_PROFILE
 387
 388         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 389         self.sut = TrexTrafficGen(NAME, vnfd)
 390         self.sut.ssh_helper = mock.Mock()
 391         self.sut.ssh_helper.run = mock.Mock()
 392         self.sut._connect_client = mock.Mock(autospec=STLClient)
 393         self.sut._connect_client.get_stats = mock.Mock(return_value="0")
 394         self.sut.resource_helper.RUN_DURATION = 0
 395         self.sut.resource_helper.QUEUE_WAIT_TIME = 0
 396         # must generate cfg before we can run traffic so Trex port mapping is created
 397         self.sut.resource_helper.generate_cfg()
 398         self.sut._traffic_runner(mock_traffic_profile)
 399
 400     @mock.patch(SSH_HELPER)
 401     def test__generate_trex_cfg(self, ssh):
 402         mock_ssh(ssh)
 403         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 404         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 405         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 406         self.assertIsNone(trex_traffic_gen.resource_helper.generate_cfg())
 407
 408     @mock.patch(SSH_HELPER)
 409     def test_build_ports_reversed_pci_ordering(self, ssh):
 410         mock_ssh(ssh)
 411         vnfd = copy.deepcopy(self.VNFD['vnfd:vnfd-catalog']['vnfd'][0])
 412         vnfd['vdu'][0]['external-interface'] = [
 413             {'virtual-interface':
 414              {'dst_mac': '00:00:00:00:00:04',
 415               'vpci': '0000:05:00.0',
 416               'local_ip': '152.16.100.19',
 417               'type': 'PCI-PASSTHROUGH',
 418               'netmask': '255.255.255.0',
 419               'dpdk_port_num': 2,
 420               'bandwidth': '10 Gbps',
 421               'driver': "i40e",
 422               'dst_ip': '152.16.100.20',
 423               'local_iface_name': 'xe0',
 424               'vld_id': 'downlink_0',
 425               'ifname': 'xe0',
 426               'local_mac': '00:00:00:00:00:02'},
 427              'vnfd-connection-point-ref': 'xe0',
 428              'name': 'xe0'},
 429             {'virtual-interface':
 430              {'dst_mac': '00:00:00:00:00:03',
 431               'vpci': '0000:04:00.0',
 432               'local_ip': '152.16.40.19',
 433               'type': 'PCI-PASSTHROUGH',
 434               'driver': "i40e",
 435               'netmask': '255.255.255.0',
 436               'dpdk_port_num': 0,
 437               'bandwidth': '10 Gbps',
 438               'dst_ip': '152.16.40.20',
 439               'local_iface_name': 'xe1',
 440               'vld_id': 'uplink_0',
 441               'ifname': 'xe1',
 442               'local_mac': '00:00:00:00:00:01'},
 443              'vnfd-connection-point-ref': 'xe1',
 444              'name': 'xe1'}]
 445         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 446         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 447         trex_traffic_gen.resource_helper.generate_cfg()
 448         trex_traffic_gen.resource_helper._build_ports()
 449         self.assertEqual(
 450             sorted(trex_traffic_gen.resource_helper.all_ports), [0, 1])
 451         # there is a gap in ordering
 452         self.assertEqual(dict(trex_traffic_gen.resource_helper.dpdk_to_trex_port_map),
 453                          {0: 0, 2: 1})
 454
 455     @mock.patch(SSH_HELPER)
 456     def test_run_traffic(self, ssh):
 457         mock_ssh(ssh)
 458
 459         mock_traffic_profile = mock.Mock(autospec=TrafficProfile)
 460         mock_traffic_profile.get_traffic_definition.return_value = "64"
 461         mock_traffic_profile.params = self.TRAFFIC_PROFILE
 462
 463         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 464         self.sut = TrexTrafficGen(NAME, vnfd)
 465         self.sut.ssh_helper = mock.Mock()
 466         self.sut.ssh_helper.run = mock.Mock()
 467         self.sut._traffic_runner = mock.Mock(return_value=0)
 468         self.sut.resource_helper.client_started.value = 1
 469         result = self.sut.run_traffic(mock_traffic_profile)
 470         self.sut._traffic_process.terminate()
 471         self.assertIsNotNone(result)
 472
 473     @mock.patch(SSH_HELPER)
 474     def test_terminate(self, ssh):
 475         mock_ssh(ssh)
 476         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 477         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 478         trex_traffic_gen.ssh_helper = mock.MagicMock()
 479         trex_traffic_gen.resource_helper.ssh_helper = mock.MagicMock()
 480         self.assertIsNone(trex_traffic_gen.terminate())
 481
 482     @mock.patch(SSH_HELPER)
 483     def test__connect_client(self, ssh):
 484         mock_ssh(ssh)
 485         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 486         trex_traffic_gen = TrexTrafficGen(NAME, vnfd)
 487         client = mock.Mock(autospec=STLClient)
 488         client.connect = mock.Mock(return_value=0)
 489         self.assertIsNotNone(trex_traffic_gen.resource_helper._connect(client))