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