tests/unit/network_services/vnf_generic/vnf/test_vpe_vnf.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 import six.moves.configparser as configparser
  20
  21 import os
  22 import unittest
  23 import mock
  24 from multiprocessing import Process, Queue
  25
  26 from tests.unit import STL_MOCKS
  27 from yardstick.network_services.vnf_generic.vnf.base import QueueFileWrapper
  28
  29
  30 SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
  31
  32 STLClient = mock.MagicMock()
  33 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  34 stl_patch.start()
  35
  36 if stl_patch:
  37     from yardstick.network_services.vnf_generic.vnf.vpe_vnf import ConfigCreate
  38     from yardstick.network_services.nfvi.resource import ResourceProfile
  39     from yardstick.network_services.vnf_generic.vnf import vpe_vnf
  40     from yardstick.network_services.vnf_generic.vnf.vpe_vnf import VpeApproxVnf
  41
  42 from tests.unit.network_services.vnf_generic.vnf.test_base import FileAbsPath
  43 from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
  44
  45
  46 TEST_FILE_YAML = 'nsb_test_case.yaml'
  47
  48 NAME = 'vnf_1'
  49
  50 PING_OUTPUT_1 = "Pkts in: 101\r\n\tPkts dropped by AH: 100\r\n\tPkts dropped by other: 100"
  51
  52 MODULE_PATH = FileAbsPath(__file__)
  53 get_file_abspath = MODULE_PATH.get_path
  54
  55
  56 class TestConfigCreate(unittest.TestCase):
  57
  58     def test___init__(self):
  59         config_create = ConfigCreate([0], [1], 2)
  60         self.assertEqual(config_create.priv_ports, [0])
  61         self.assertEqual(config_create.pub_ports, [1])
  62         self.assertEqual(config_create.socket, 2)
  63
  64     def test_vpe_initialize(self):
  65         config_create = ConfigCreate([0], [1], 2)
  66         config = configparser.ConfigParser()
  67         config_create.vpe_initialize(config)
  68         self.assertEqual(config.get('EAL', 'log_level'), '0')
  69         self.assertEqual(config.get('PIPELINE0', 'type'), 'MASTER')
  70         self.assertEqual(config.get('PIPELINE0', 'core'), 's2C0')
  71         self.assertEqual(config.get('MEMPOOL0', 'pool_size'), '256K')
  72         self.assertEqual(config.get('MEMPOOL1', 'pool_size'), '2M')
  73
  74     def test_vpe_rxq(self):
  75         config_create = ConfigCreate([0], [1, 2], 3)
  76         config = configparser.ConfigParser()
  77         config_create.vpe_rxq(config)
  78         self.assertEqual(config.get('RXQ1.0', 'mempool'), 'MEMPOOL1')
  79         self.assertEqual(config.get('RXQ2.0', 'mempool'), 'MEMPOOL1')
  80
  81     def test_get_sink_swq(self):
  82         config_create = ConfigCreate([0], [1], 2)
  83         config = configparser.ConfigParser()
  84         config.add_section('PIPELINE0')
  85         config.set('PIPELINE0', 'key1', 'value1')
  86         config.set('PIPELINE0', 'key2', 'value2 SINK')
  87         config.set('PIPELINE0', 'key3', 'TM value3')
  88         config.set('PIPELINE0', 'key4', 'value4')
  89         config.set('PIPELINE0', 'key5', 'the SINK value5')
  90
  91         self.assertEqual(config_create.get_sink_swq(config, 'PIPELINE0', 'key1', 5), 'SWQ-1')
  92         self.assertEqual(config_create.get_sink_swq(config, 'PIPELINE0', 'key2', 5), 'SWQ-1 SINK0')
  93         self.assertEqual(config_create.get_sink_swq(config, 'PIPELINE0', 'key3', 5), 'SWQ-1 TM5')
  94         config_create.sw_q += 1
  95         self.assertEqual(config_create.get_sink_swq(config, 'PIPELINE0', 'key4', 5), 'SWQ0')
  96         self.assertEqual(config_create.get_sink_swq(config, 'PIPELINE0', 'key5', 5), 'SWQ0 SINK1')
  97
  98     def test_generate_vpe_script(self):
  99         vpe_config_vnf = ConfigCreate([0], [0], 0)
 100         intf = [
 101             {
 102                 "virtual-interface": {
 103                     "dst_ip": "1.1.1.1",
 104                     "dst_mac": "00:00:00:00:00:00:02",
 105                 },
 106             },
 107         ]
 108         result = vpe_config_vnf.generate_vpe_script(intf)
 109         self.assertIsInstance(result, str)
 110         self.assertNotEqual(result, '')
 111
 112     def test_create_vpe_config(self):
 113         priv_ports = [
 114             {
 115                 'index': 0,
 116                 'dpdk_port_num': 1,
 117                 'peer_intf': {
 118                     'dpdk_port_num': 2,
 119                     'index': 3,
 120                 },
 121             },
 122         ]
 123
 124         pub_ports = [
 125             {
 126                 'index': 2,
 127                 'dpdk_port_num': 3,
 128                 'peer_intf': {
 129                     'dpdk_port_num': 0,
 130                     'index': 1,
 131                 },
 132             },
 133         ]
 134
 135         config_create = ConfigCreate(priv_ports, pub_ports, 23)
 136         curr_path = os.path.dirname(os.path.abspath(__file__))
 137         vpe_cfg = "samples/vnf_samples/nsut/vpe/vpe_config"
 138         vnf_cfg = os.path.join(curr_path, "../../../../..", vpe_cfg)
 139         config_create.create_vpe_config(vnf_cfg)
 140         os.system("git checkout -- %s" % vnf_cfg)
 141
 142
 143 @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
 144 class TestVpeApproxVnf(unittest.TestCase):
 145
 146     VNFD_0 = {
 147         'short-name': 'VpeVnf',
 148         'vdu': [
 149             {
 150                 'routing_table': [
 151                     {
 152                         'network': '152.16.100.20',
 153                         'netmask': '255.255.255.0',
 154                         'gateway': '152.16.100.20',
 155                         'if': 'xe0',
 156                     },
 157                     {
 158                         'network': '152.16.40.20',
 159                         'netmask': '255.255.255.0',
 160                         'gateway': '152.16.40.20',
 161                         'if': 'xe1',
 162                     },
 163                 ],
 164                 'description': 'VPE approximation using DPDK',
 165                 'name': 'vpevnf-baremetal',
 166                 'nd_route_tbl': [
 167                     {
 168                         'network': '0064:ff9b:0:0:0:0:9810:6414',
 169                         'netmask': '112',
 170                         'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 171                         'if': 'xe0',
 172                     },
 173                     {
 174                         'network': '0064:ff9b:0:0:0:0:9810:2814',
 175                         'netmask': '112',
 176                         'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 177                         'if': 'xe1',
 178                     },
 179                 ],
 180                 'id': 'vpevnf-baremetal',
 181                 'external-interface': [
 182                     {
 183                         'virtual-interface': {
 184                             'dst_mac': '00:00:00:00:00:04',
 185                             'vpci': '0000:05:00.0',
 186                             'local_ip': '152.16.100.19',
 187                             'type': 'PCI-PASSTHROUGH',
 188                             'vld_id': '',
 189                             'netmask': '255.255.255.0',
 190                             'dpdk_port_num': '0',
 191                             'bandwidth': '10 Gbps',
 192                             'driver': "i40e",
 193                             'dst_ip': '152.16.100.20',
 194                             'local_iface_name': 'xe0',
 195                             'local_mac': '00:00:00:00:00:02',
 196                         },
 197                         'vnfd-connection-point-ref': 'xe0',
 198                         'name': 'xe0',
 199                     },
 200                     {
 201                         'virtual-interface': {
 202                             'dst_mac': '00:00:00:00:00:03',
 203                             'vpci': '0000:05:00.1',
 204                             'local_ip': '152.16.40.19',
 205                             'type': 'PCI-PASSTHROUGH',
 206                             'vld_id': '',
 207                             'driver': "i40e",
 208                             'netmask': '255.255.255.0',
 209                             'dpdk_port_num': '1',
 210                             'bandwidth': '10 Gbps',
 211                             'dst_ip': '152.16.40.20',
 212                             'local_iface_name': 'xe1',
 213                             'local_mac': '00:00:00:00:00:01',
 214                         },
 215                         'vnfd-connection-point-ref': 'xe1',
 216                         'name': 'xe1',
 217                     },
 218                 ],
 219             },
 220         ],
 221         'description': 'Vpe approximation using DPDK',
 222         'mgmt-interface': {
 223             'vdu-id': 'vpevnf-baremetal',
 224             'host': '1.2.1.1',
 225             'password': 'r00t',
 226             'user': 'root',
 227             'ip': '1.2.1.1',
 228         },
 229         'benchmark': {
 230             'kpi': [
 231                 'packets_in',
 232                 'packets_fwd',
 233                 'packets_dropped',
 234             ],
 235         },
 236         'connection-point': [
 237             {
 238                 'type': 'VPORT',
 239                 'name': 'xe0',
 240             },
 241             {
 242                 'type': 'VPORT',
 243                 'name': 'xe1',
 244             },
 245         ],
 246         'id': 'VpeApproxVnf',
 247         'name': 'VPEVnfSsh',
 248     }
 249
 250     VNFD = {
 251         'vnfd:vnfd-catalog': {
 252             'vnfd': [
 253                 VNFD_0,
 254             ],
 255         },
 256     }
 257
 258     SCENARIO_CFG = {
 259         'options': {
 260             'packetsize': 64,
 261             'traffic_type': 4 ,
 262             'rfc2544': {
 263                 'allowed_drop_rate': '0.8 - 1',
 264             },
 265             'vnf__1': {
 266                 'cfg': 'acl_1rule.yaml',
 267                 'vnf_config': {
 268                     'lb_config': 'SW',
 269                     'lb_count': 1,
 270                     'worker_config':
 271                     '1C/1T',
 272                     'worker_threads': 1,
 273                 },
 274             }
 275         },
 276         'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 277         'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 278         'runner': {
 279             'object': 'NetworkServiceTestCase',
 280             'interval': 35,
 281             'output_filename': '/tmp/yardstick.out',
 282             'runner_id': 74476,
 283             'duration': 400,
 284             'type': 'Duration',
 285         },
 286         'traffic_profile': 'ipv4_throughput_vpe.yaml',
 287         'traffic_options': {
 288             'flow': 'ipv4_Packets_vpe.yaml',
 289             'imix': 'imix_voice.yaml',
 290         },
 291         'type': 'ISB',
 292         'nodes': {
 293             'tg__2': 'trafficgen_2.yardstick',
 294             'tg__1': 'trafficgen_1.yardstick',
 295             'vnf__1': 'vnf.yardstick',
 296         },
 297         'topology': 'vpe-tg-topology-baremetal.yaml',
 298     }
 299
 300     CONTEXT_CFG = {
 301         'nodes': {
 302             'tg__2': {
 303                 'member-vnf-index': '3',
 304                 'role': 'TrafficGen',
 305                 'name': 'trafficgen_2.yardstick',
 306                 'vnfd-id-ref': 'tg__2',
 307                 'ip': '1.2.1.1',
 308                 'interfaces': {
 309                     'xe0': {
 310                         'local_iface_name': 'ens513f0',
 311                         'vld_id': 'public',
 312                         'netmask': '255.255.255.0',
 313                         'local_ip': '152.16.40.20',
 314                         'dst_mac': '00:00:00:00:00:01',
 315                         'local_mac': '00:00:00:00:00:03',
 316                         'dst_ip': '152.16.40.19',
 317                         'driver': 'ixgbe',
 318                         'vpci': '0000:02:00.0',
 319                         'dpdk_port_num': 0,
 320                     },
 321                     'xe1': {
 322                         'local_iface_name': 'ens513f1',
 323                         'netmask': '255.255.255.0',
 324                         'network': '202.16.100.0',
 325                         'local_ip': '202.16.100.20',
 326                         'local_mac': '00:1e:67:d0:60:5d',
 327                         'driver': 'ixgbe',
 328                         'vpci': '0000:02:00.1',
 329                         'dpdk_port_num': 1,
 330                     },
 331                 },
 332                 'password': 'r00t',
 333                 'VNF model': 'l3fwd_vnf.yaml',
 334                 'user': 'root',
 335             },
 336             'tg__1': {
 337                 'member-vnf-index': '1',
 338                 'role': 'TrafficGen',
 339                 'name': 'trafficgen_1.yardstick',
 340                 'vnfd-id-ref': 'tg__1',
 341                 'ip': '1.2.1.1',
 342                 'interfaces': {
 343                     'xe0': {
 344                         'local_iface_name': 'ens785f0',
 345                         'vld_id': 'private',
 346                         'netmask': '255.255.255.0',
 347                         'local_ip': '152.16.100.20',
 348                         'dst_mac': '00:00:00:00:00:02',
 349                         'local_mac': '00:00:00:00:00:04',
 350                         'dst_ip': '152.16.100.19',
 351                         'driver': 'i40e',
 352                         'vpci': '0000:05:00.0',
 353                         'dpdk_port_num': 0,
 354                     },
 355                     'xe1': {
 356                         'local_iface_name': 'ens785f1',
 357                         'netmask': '255.255.255.0',
 358                         'local_ip': '152.16.100.21',
 359                         'local_mac': '00:00:00:00:00:01',
 360                         'driver': 'i40e',
 361                         'vpci': '0000:05:00.1',
 362                         'dpdk_port_num': 1,
 363                     },
 364                 },
 365                 'password': 'r00t',
 366                 'VNF model': 'tg_rfc2544_tpl.yaml',
 367                 'user': 'root',
 368             },
 369             'vnf__1': {
 370                 'name': 'vnf.yardstick',
 371                 'vnfd-id-ref': 'vnf__1',
 372                 'ip': '1.2.1.1',
 373                 'interfaces': {
 374                     'xe0': {
 375                         'local_iface_name': 'ens786f0',
 376                         'vld_id': 'private',
 377                         'netmask': '255.255.255.0',
 378                         'local_ip': '152.16.100.19',
 379                         'dst_mac': '00:00:00:00:00:04',
 380                         'local_mac': '00:00:00:00:00:02',
 381                         'dst_ip': '152.16.100.20',
 382                         'driver': 'i40e',
 383                         'vpci': '0000:05:00.0',
 384                         'dpdk_port_num': 0,
 385                     },
 386                     'xe1': {
 387                         'local_iface_name': 'ens786f1',
 388                         'vld_id': 'public',
 389                         'netmask': '255.255.255.0',
 390                         'local_ip': '152.16.40.19',
 391                         'dst_mac': '00:00:00:00:00:03',
 392                         'local_mac': '00:00:00:00:00:01',
 393                         'dst_ip': '152.16.40.20',
 394                         'driver': 'i40e',
 395                         'vpci': '0000:05:00.1',
 396                         'dpdk_port_num': 1,
 397                     },
 398                 },
 399                 'routing_table': [
 400                     {
 401                         'netmask': '255.255.255.0',
 402                         'gateway': '152.16.100.20',
 403                         'network': '152.16.100.20',
 404                         'if': 'xe0',
 405                     },
 406                     {
 407                         'netmask': '255.255.255.0',
 408                         'gateway': '152.16.40.20',
 409                         'network': '152.16.40.20',
 410                         'if': 'xe1',
 411                     },
 412                 ],
 413                 'member-vnf-index': '2',
 414                 'host': '1.2.1.1',
 415                 'role': 'vnf',
 416                 'user': 'root',
 417                 'nd_route_tbl': [
 418                     {
 419                         'netmask': '112',
 420                         'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 421                         'network': '0064:ff9b:0:0:0:0:9810:6414',
 422                         'if': 'xe0',
 423                     },
 424                     {
 425                         'netmask': '112',
 426                         'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 427                         'network': '0064:ff9b:0:0:0:0:9810:2814',
 428                         'if': 'xe1',
 429                     },
 430                 ],
 431                 'password': 'r00t',
 432                 'VNF model': 'vpe_vnf.yaml',
 433             },
 434         },
 435     }
 436
 437     def test___init__(self, _):
 438         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 439         self.assertIsNone(vpe_approx_vnf._vnf_process)
 440
 441     @mock.patch(SSH_HELPER)
 442     def test_collect_kpi_sa_not_running(self, ssh, _):
 443         mock_ssh(ssh)
 444
 445         resource = mock.Mock(autospec=ResourceProfile)
 446         resource.check_if_sa_running.return_value = False, 'error'
 447         resource.amqp_collect_nfvi_kpi.return_value = {'foo': 234}
 448
 449         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 450         vpe_approx_vnf.q_in = mock.MagicMock()
 451         vpe_approx_vnf.q_out = mock.MagicMock()
 452         vpe_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 453         vpe_approx_vnf.resource_helper.resource = resource
 454
 455         expected = {
 456             'pkt_in_down_stream': 0,
 457             'pkt_in_up_stream': 0,
 458             'pkt_drop_down_stream': 0,
 459             'pkt_drop_up_stream': 0,
 460             'collect_stats': {'core': {}},
 461         }
 462         self.assertEqual(vpe_approx_vnf.collect_kpi(), expected)
 463
 464     @mock.patch(SSH_HELPER)
 465     def test_collect_kpi_sa_running(self, ssh, _):
 466         mock_ssh(ssh)
 467
 468         resource = mock.Mock(autospec=ResourceProfile)
 469         resource.check_if_sa_running.return_value = True, 'good'
 470         resource.amqp_collect_nfvi_kpi.return_value = {'foo': 234}
 471
 472         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 473         vpe_approx_vnf.q_in = mock.MagicMock()
 474         vpe_approx_vnf.q_out = mock.MagicMock()
 475         vpe_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 476         vpe_approx_vnf.resource_helper.resource = resource
 477
 478         expected = {
 479             'pkt_in_down_stream': 0,
 480             'pkt_in_up_stream': 0,
 481             'pkt_drop_down_stream': 0,
 482             'pkt_drop_up_stream': 0,
 483             'collect_stats': {'core': {'foo': 234}},
 484         }
 485         self.assertEqual(vpe_approx_vnf.collect_kpi(), expected)
 486
 487     @mock.patch(SSH_HELPER)
 488     def test_vnf_execute(self, ssh, _):
 489         mock_ssh(ssh)
 490         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 491         vpe_approx_vnf.q_in = mock.MagicMock()
 492         vpe_approx_vnf.q_out = mock.MagicMock()
 493         vpe_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 494         self.assertEqual(vpe_approx_vnf.vnf_execute("quit", 0), '')
 495
 496     @mock.patch(SSH_HELPER)
 497     def test_run_vpe(self, ssh, _):
 498         mock_ssh(ssh)
 499
 500         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 501         vpe_approx_vnf.tc_file_name = get_file_abspath(TEST_FILE_YAML)
 502         vpe_approx_vnf.generate_port_pairs = mock.Mock()
 503         vpe_approx_vnf.tg_port_pairs = [[[0], [1]]]
 504         vpe_approx_vnf.vnf_port_pairs = [[[0], [1]]]
 505         vpe_approx_vnf.vnf_cfg = {
 506             'lb_config': 'SW',
 507             'lb_count': 1,
 508             'worker_config': '1C/1T',
 509             'worker_threads': 1,
 510         }
 511         vpe_approx_vnf.scenario_helper.scenario_cfg = {
 512             'options': {
 513                 NAME: {
 514                     'traffic_type': '4',
 515                     'topology': 'nsb_test_case.yaml',
 516                 }
 517             }
 518         }
 519         vpe_approx_vnf.topology = "nsb_test_case.yaml"
 520         vpe_approx_vnf.nfvi_type = "baremetal"
 521         vpe_approx_vnf._provide_config_file = mock.Mock()
 522
 523         self.assertIsInstance(vpe_approx_vnf.ssh_helper, mock.Mock)
 524         self.assertIsNone(vpe_approx_vnf._run())
 525
 526     @mock.patch(SSH_HELPER)
 527     def test_wait_for_instantiate(self, ssh, _):
 528         mock_ssh(ssh)
 529
 530         mock_process = mock.Mock(autospec=Process)
 531         mock_process.is_alive.return_value = True
 532         mock_process.exitcode = 432
 533
 534         mock_q_out = mock.Mock(autospec=Queue)
 535         mock_q_out.get.side_effect = iter(["pipeline>"])
 536         mock_q_out.qsize.side_effect = range(1, -1, -1)
 537
 538         mock_resource = mock.MagicMock()
 539
 540         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 541         vpe_approx_vnf._vnf_process = mock_process
 542         vpe_approx_vnf.q_out = mock_q_out
 543         vpe_approx_vnf.queue_wrapper = mock.Mock(autospec=QueueFileWrapper)
 544         vpe_approx_vnf.resource_helper.resource = mock_resource
 545
 546         vpe_approx_vnf.q_out.put("pipeline>")
 547         self.assertEqual(vpe_approx_vnf.wait_for_instantiate(), 432)
 548
 549     @mock.patch(SSH_HELPER)
 550     def test_wait_for_instantiate_fragmented(self, ssh, _):
 551         mock_ssh(ssh)
 552
 553         mock_process = mock.Mock(autospec=Process)
 554         mock_process.is_alive.return_value = True
 555         mock_process.exitcode = 432
 556
 557         # test that fragmented pipeline prompt is recognized
 558         mock_q_out = mock.Mock(autospec=Queue)
 559         mock_q_out.get.side_effect = iter(["wow pipel", "ine>"])
 560         mock_q_out.qsize.side_effect = range(2, -1, -1)
 561
 562         mock_resource = mock.MagicMock()
 563
 564         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 565         vpe_approx_vnf._vnf_process = mock_process
 566         vpe_approx_vnf.q_out = mock_q_out
 567         vpe_approx_vnf.queue_wrapper = mock.Mock(autospec=QueueFileWrapper)
 568         vpe_approx_vnf.resource_helper.resource = mock_resource
 569
 570         self.assertEqual(vpe_approx_vnf.wait_for_instantiate(), 432)
 571
 572     @mock.patch(SSH_HELPER)
 573     def test_wait_for_instantiate_crash(self, ssh, _):
 574         mock_ssh(ssh, exec_result=(1, "", ""))
 575
 576         mock_process = mock.Mock(autospec=Process)
 577         mock_process.is_alive.return_value = False
 578         mock_process.exitcode = 432
 579
 580         mock_resource = mock.MagicMock()
 581
 582         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 583         vpe_approx_vnf._vnf_process = mock_process
 584         vpe_approx_vnf.resource_helper.resource = mock_resource
 585
 586         with self.assertRaises(RuntimeError) as raised:
 587             vpe_approx_vnf.wait_for_instantiate()
 588
 589         self.assertIn('VNF process died', str(raised.exception))
 590
 591     @mock.patch(SSH_HELPER)
 592     def test_wait_for_instantiate_panic(self, ssh, _):
 593         mock_ssh(ssh, exec_result=(1, "", ""))
 594
 595         mock_process = mock.Mock(autospec=Process)
 596         mock_process.is_alive.return_value = True
 597         mock_process.exitcode = 432
 598
 599         mock_resource = mock.MagicMock()
 600
 601         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 602         vpe_approx_vnf._vnf_process = mock_process
 603         vpe_approx_vnf.resource_helper.resource = mock_resource
 604
 605         vpe_approx_vnf.q_out.put("PANIC")
 606         with self.assertRaises(RuntimeError) as raised:
 607             vpe_approx_vnf.wait_for_instantiate()
 608
 609         self.assertIn('Error starting', str(raised.exception))
 610
 611     @mock.patch(SSH_HELPER)
 612     def test_wait_for_instantiate_panic_fragmented(self, ssh, _):
 613         mock_ssh(ssh, exec_result=(1, "", ""))
 614
 615         mock_process = mock.Mock(autospec=Process)
 616         mock_process.is_alive.return_value = True
 617         mock_process.exitcode = 432
 618
 619         # test that fragmented PANIC is recognized
 620         mock_q_out = mock.Mock(autospec=Queue)
 621         mock_q_out.get.side_effect = iter(["omg PA", "NIC this is bad"])
 622         mock_q_out.qsize.side_effect = range(2, -1, -1)
 623
 624         mock_resource = mock.MagicMock()
 625
 626         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 627         vpe_approx_vnf._vnf_process = mock_process
 628         vpe_approx_vnf.q_out = mock_q_out
 629         vpe_approx_vnf.resource_helper.resource = mock_resource
 630
 631         with self.assertRaises(RuntimeError) as raised:
 632             vpe_approx_vnf.wait_for_instantiate()
 633
 634         self.assertIn('Error starting', str(raised.exception))
 635
 636     def test_scale(self, _):
 637         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 638         with self.assertRaises(NotImplementedError):
 639             vpe_approx_vnf.scale('')
 640
 641     @mock.patch(SSH_HELPER)
 642     def test_terminate(self, ssh, _):
 643         mock_ssh(ssh)
 644
 645         vpe_approx_vnf = VpeApproxVnf(NAME, self.VNFD_0)
 646         vpe_approx_vnf._vnf_process = mock.MagicMock()
 647         vpe_approx_vnf._resource_collect_stop = mock.Mock()
 648         vpe_approx_vnf.resource_helper = mock.MagicMock()
 649
 650         self.assertIsNone(vpe_approx_vnf.terminate())
 651
 652
 653 if __name__ == '__main__':
 654     unittest.main()