yardstick/tests/unit/network_services/vnf_generic/vnf/test_cgnapt_vnf.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 from copy import deepcopy
  17 import os
  18
  19 import mock
  20 import unittest
  21
  22
  23 from yardstick.common import utils
  24
  25 from yardstick.tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
  26
  27
  28
  29 from yardstick.network_services.vnf_generic.vnf.cgnapt_vnf import CgnaptApproxVnf, \
  30     CgnaptApproxSetupEnvHelper
  31 from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf
  32 from yardstick.network_services.nfvi.resource import ResourceProfile
  33
  34 TEST_FILE_YAML = 'nsb_test_case.yaml'
  35 SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
  36
  37
  38 name = 'vnf__0'
  39
  40
  41 class TestCgnaptApproxSetupEnvHelper(unittest.TestCase):
  42
  43     def test__generate_ip_from_pool(self):
  44
  45         ip = CgnaptApproxSetupEnvHelper._generate_ip_from_pool("1.2.3.4")
  46         self.assertEqual(next(ip), '1.2.3.4')
  47         self.assertEqual(next(ip), '1.2.4.4')
  48         self.assertEqual(next(ip), '1.2.5.4')
  49
  50     def test__update_cgnat_script_file(self):
  51
  52         sample = """\
  53 # See the License for the specific language governing permissions and
  54 # limitations under the License.
  55
  56 link 0 down
  57 link 0 config {port0_local_ip} {port0_prefixlen}
  58 link 0 up
  59 link 1 down
  60 link 1 config {port1_local_ip} {port1_prefixlen}
  61 link 1 up
  62 """
  63         header = "This is a header"
  64
  65         out = CgnaptApproxSetupEnvHelper._update_cgnat_script_file(header, sample.splitlines())
  66         self.assertNotIn("This is a header", out)
  67
  68     def test__get_cgnapt_config(self):
  69         vnfd_helper = mock.MagicMock()
  70         vnfd_helper.port_pairs.uplink_ports = [{"name": 'a'}, {"name": "b"}, {"name": "c"}]
  71
  72         helper = CgnaptApproxSetupEnvHelper(vnfd_helper, mock.Mock(), mock.Mock())
  73         result = helper._get_cgnapt_config()
  74         self.assertIsNotNone(result)
  75
  76     def test_scale(self):
  77         helper = CgnaptApproxSetupEnvHelper(mock.Mock(), mock.Mock(), mock.Mock())
  78         with self.assertRaises(NotImplementedError):
  79             helper.scale()
  80
  81     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.open')
  82     @mock.patch.object(utils, 'find_relative_file')
  83     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.MultiPortConfig')
  84     @mock.patch.object(utils, 'open_relative_file')
  85     def test_build_config(self, *args):
  86         vnfd_helper = mock.Mock()
  87         ssh_helper = mock.Mock()
  88         scenario_helper = mock.Mock()
  89         scenario_helper.vnf_cfg = {'lb_config': 'HW'}
  90         scenario_helper.all_options = {}
  91
  92         cgnat_approx_setup_helper = CgnaptApproxSetupEnvHelper(vnfd_helper,
  93                                                                ssh_helper,
  94                                                                scenario_helper)
  95
  96         cgnat_approx_setup_helper.ssh_helper.provision_tool = mock.Mock(return_value='tool_path')
  97         cgnat_approx_setup_helper.ssh_helper.all_ports = mock.Mock()
  98         cgnat_approx_setup_helper.vnfd_helper.port_nums = mock.Mock(return_value=[0, 1])
  99         expected = 'sudo tool_path -p 0x3 -f /tmp/cgnapt_config -s /tmp/cgnapt_script  --hwlb 3'
 100         self.assertEqual(cgnat_approx_setup_helper.build_config(), expected)
 101
 102
 103 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process")
 104 class TestCgnaptApproxVnf(unittest.TestCase):
 105     VNFD = {'vnfd:vnfd-catalog':
 106             {'vnfd':
 107              [{'short-name': 'VpeVnf',
 108                'vdu':
 109                [{'routing_table':
 110                  [{'network': '152.16.100.20',
 111                    'netmask': '255.255.255.0',
 112                    'gateway': '152.16.100.20',
 113                    'if': 'xe0'},
 114                   {'network': '152.16.40.20',
 115                    'netmask': '255.255.255.0',
 116                    'gateway': '152.16.40.20',
 117                    'if': 'xe1'}],
 118                  'description': 'VPE approximation using DPDK',
 119                  'name': 'vpevnf-baremetal',
 120                  'nd_route_tbl':
 121                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
 122                    'netmask': '112',
 123                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 124                    'if': 'xe0'},
 125                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
 126                    'netmask': '112',
 127                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 128                    'if': 'xe1'}],
 129                  'id': 'vpevnf-baremetal',
 130                  'external-interface':
 131                  [{'virtual-interface':
 132                    {'dst_mac': '00:00:00:00:00:04',
 133                     'vpci': '0000:05:00.0',
 134                     'local_ip': '152.16.100.19',
 135                     'type': 'PCI-PASSTHROUGH',
 136                     'netmask': '255.255.255.0',
 137                     'dpdk_port_num': 0,
 138                     'bandwidth': '10 Gbps',
 139                     'driver': "i40e",
 140                     'dst_ip': '152.16.100.20',
 141                     'local_iface_name': 'xe0',
 142                     'local_mac': '00:00:00:00:00:02'},
 143                    'vnfd-connection-point-ref': 'xe0',
 144                    'name': 'xe0'},
 145                   {'virtual-interface':
 146                    {'dst_mac': '00:00:00:00:00:03',
 147                     'vpci': '0000:05:00.1',
 148                     'local_ip': '152.16.40.19',
 149                     'type': 'PCI-PASSTHROUGH',
 150                     'driver': "i40e",
 151                     'netmask': '255.255.255.0',
 152                     'dpdk_port_num': 1,
 153                     'bandwidth': '10 Gbps',
 154                     'dst_ip': '152.16.40.20',
 155                     'local_iface_name': 'xe1',
 156                     'local_mac': '00:00:00:00:00:01'},
 157                    'vnfd-connection-point-ref': 'xe1',
 158                    'name': 'xe1'}]}],
 159                'description': 'Vpe approximation using DPDK',
 160                'mgmt-interface':
 161                    {'vdu-id': 'vpevnf-baremetal',
 162                     'host': '1.2.1.1',
 163                     'password': 'r00t',
 164                     'user': 'root',
 165                     'ip': '1.2.1.1'},
 166                'benchmark':
 167                    {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
 168                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 169                                     {'type': 'VPORT', 'name': 'xe1'}],
 170                'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}}
 171
 172     SCENARIO_CFG = {
 173         'options': {
 174             'packetsize': 64,
 175             'traffic_type': 4,
 176             'rfc2544': {
 177                 'allowed_drop_rate': '0.8 - 1',
 178             },
 179             'vnf__0': {
 180                 'napt': 'dynamic',
 181                 'vnf_config': {
 182                     'lb_config': 'SW',
 183                     'lb_count': 1,
 184                     'worker_config':
 185                     '1C/1T',
 186                     'worker_threads': 1,
 187                 },
 188             },
 189             'flow': {'count': 1,
 190                      'dst_ip': [{'tg__1': 'xe0'}],
 191                      'public_ip': [''],
 192                      'src_ip': [{'tg__0': 'xe0'}]},
 193         },
 194         'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 195         'task_path': '/tmp',
 196         'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 197         'runner': {
 198             'object': 'NetworkServiceTestCase',
 199             'interval': 35,
 200             'output_filename': '/tmp/yardstick.out',
 201             'runner_id': 74476,
 202             'duration': 400,
 203             'type': 'Duration',
 204         },
 205         'traffic_profile': 'ipv4_throughput_acl.yaml',
 206         'type': 'NSPerf',
 207         'nodes': {
 208             'tg__1': 'trafficgen_1.yardstick',
 209             'tg__0': 'trafficgen_0.yardstick',
 210             'vnf__0': 'vnf.yardstick',
 211         },
 212         'topology': 'vpe-tg-topology-baremetal.yaml',
 213     }
 214
 215     context_cfg = {'nodes': {'tg__2':
 216                              {'member-vnf-index': '3',
 217                               'role': 'TrafficGen',
 218                               'name': 'trafficgen_2.yardstick',
 219                               'vnfd-id-ref': 'tg__2',
 220                               'ip': '1.2.1.1',
 221                               'interfaces':
 222                               {'xe0': {'local_iface_name': 'ens513f0',
 223                                        'vld_id': CgnaptApproxVnf.DOWNLINK,
 224                                        'netmask': '255.255.255.0',
 225                                        'local_ip': '152.16.40.20',
 226                                        'dst_mac': '00:00:00:00:00:01',
 227                                        'local_mac': '00:00:00:00:00:03',
 228                                        'dst_ip': '152.16.40.19',
 229                                        'driver': 'ixgbe',
 230                                        'vpci': '0000:02:00.0',
 231                                        'dpdk_port_num': 0},
 232                                'xe1': {'local_iface_name': 'ens513f1',
 233                                        'netmask': '255.255.255.0',
 234                                        'network': '202.16.100.0',
 235                                        'local_ip': '202.16.100.20',
 236                                        'local_mac': '00:1e:67:d0:60:5d',
 237                                        'driver': 'ixgbe',
 238                                        'vpci': '0000:02:00.1',
 239                                        'dpdk_port_num': 1}},
 240                               'password': 'r00t',
 241                               'VNF model': 'l3fwd_vnf.yaml',
 242                               'user': 'root'},
 243                              'tg__1':
 244                              {'member-vnf-index': '1',
 245                               'role': 'TrafficGen',
 246                               'name': 'trafficgen_1.yardstick',
 247                               'vnfd-id-ref': 'tg__1',
 248                               'ip': '1.2.1.1',
 249                               'interfaces':
 250                               {'xe0': {'local_iface_name': 'ens785f0',
 251                                        'vld_id': CgnaptApproxVnf.UPLINK,
 252                                        'netmask': '255.255.255.0',
 253                                        'local_ip': '152.16.100.20',
 254                                        'dst_mac': '00:00:00:00:00:02',
 255                                        'local_mac': '00:00:00:00:00:04',
 256                                        'dst_ip': '152.16.100.19',
 257                                        'driver': 'i40e',
 258                                        'vpci': '0000:05:00.0',
 259                                        'dpdk_port_num': 0},
 260                                'xe1': {'local_iface_name': 'ens785f1',
 261                                        'netmask': '255.255.255.0',
 262                                        'local_ip': '152.16.100.21',
 263                                        'local_mac': '00:00:00:00:00:01',
 264                                        'driver': 'i40e',
 265                                        'vpci': '0000:05:00.1',
 266                                        'dpdk_port_num': 1}},
 267                               'password': 'r00t',
 268                               'VNF model': 'tg_rfc2544_tpl.yaml',
 269                               'user': 'root'},
 270                              'vnf__0':
 271                              {'name': 'vnf.yardstick',
 272                               'vnfd-id-ref': 'vnf__0',
 273                               'ip': '1.2.1.1',
 274                               'interfaces':
 275                               {'xe0': {'local_iface_name': 'ens786f0',
 276                                        'vld_id': CgnaptApproxVnf.UPLINK,
 277                                        'netmask': '255.255.255.0',
 278                                        'local_ip': '152.16.100.19',
 279                                        'dst_mac': '00:00:00:00:00:04',
 280                                        'local_mac': '00:00:00:00:00:02',
 281                                        'dst_ip': '152.16.100.20',
 282                                        'driver': 'i40e',
 283                                        'vpci': '0000:05:00.0',
 284                                        'dpdk_port_num': 0},
 285                                'xe1': {'local_iface_name': 'ens786f1',
 286                                        'vld_id': CgnaptApproxVnf.DOWNLINK,
 287                                        'netmask': '255.255.255.0',
 288                                        'local_ip': '152.16.40.19',
 289                                        'dst_mac': '00:00:00:00:00:03',
 290                                        'local_mac': '00:00:00:00:00:01',
 291                                        'dst_ip': '152.16.40.20',
 292                                        'driver': 'i40e',
 293                                        'vpci': '0000:05:00.1',
 294                                        'dpdk_port_num': 1}},
 295                               'routing_table':
 296                               [{'netmask': '255.255.255.0',
 297                                 'gateway': '152.16.100.20',
 298                                 'network': '152.16.100.20',
 299                                 'if': 'xe0'},
 300                                {'netmask': '255.255.255.0',
 301                                 'gateway': '152.16.40.20',
 302                                 'network': '152.16.40.20',
 303                                 'if': 'xe1'}],
 304                               'member-vnf-index': '2',
 305                               'host': '1.2.1.1',
 306                               'role': 'vnf',
 307                               'user': 'root',
 308                               'nd_route_tbl':
 309                               [{'netmask': '112',
 310                                 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 311                                 'network': '0064:ff9b:0:0:0:0:9810:6414',
 312                                 'if': 'xe0'},
 313                                {'netmask': '112',
 314                                 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 315                                 'network': '0064:ff9b:0:0:0:0:9810:2814',
 316                                 'if': 'xe1'}],
 317                               'password': 'r00t',
 318                               'VNF model': 'cgnapt_vnf.yaml'}}}
 319
 320     def setUp(self):
 321         self.scenario_cfg = deepcopy(self.SCENARIO_CFG)
 322
 323     def test___init__(self, *args):
 324         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 325         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 326         self.assertIsNone(cgnapt_approx_vnf._vnf_process)
 327
 328     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
 329     @mock.patch(SSH_HELPER)
 330     def test_collect_kpi(self, ssh, *args):
 331         mock_ssh(ssh)
 332
 333         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 334         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 335         cgnapt_approx_vnf._vnf_process = mock.MagicMock(
 336             **{"is_alive.return_value": True, "exitcode": None})
 337         cgnapt_approx_vnf.q_in = mock.MagicMock()
 338         cgnapt_approx_vnf.q_out = mock.MagicMock()
 339         cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 340         cgnapt_approx_vnf.resource = mock.Mock(autospec=ResourceProfile)
 341         result = {'packets_dropped': 0, 'packets_fwd': 0, 'packets_in': 0}
 342         self.assertEqual(result, cgnapt_approx_vnf.collect_kpi())
 343
 344     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
 345     @mock.patch(SSH_HELPER)
 346     def test_vnf_execute_command(self, ssh, *args):
 347         mock_ssh(ssh)
 348
 349         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 350         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 351         cgnapt_approx_vnf.q_in = mock.MagicMock()
 352         cgnapt_approx_vnf.q_out = mock.MagicMock()
 353         cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 354         cmd = "quit"
 355         self.assertEqual("", cgnapt_approx_vnf.vnf_execute(cmd))
 356
 357     @mock.patch(SSH_HELPER)
 358     def test_get_stats(self, ssh, *args):
 359         mock_ssh(ssh)
 360
 361         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 362         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 363         cgnapt_approx_vnf.q_in = mock.MagicMock()
 364         cgnapt_approx_vnf.q_out = mock.MagicMock()
 365         cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 366         result = \
 367             "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress"
 368         cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=result)
 369         self.assertListEqual(list(result), list(cgnapt_approx_vnf.get_stats()))
 370
 371     def _get_file_abspath(self, filename):
 372         curr_path = os.path.dirname(os.path.abspath(__file__))
 373         file_path = os.path.join(curr_path, filename)
 374         return file_path
 375
 376     @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.hex")
 377     @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.eval")
 378     @mock.patch('yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.open')
 379     @mock.patch(SSH_HELPER)
 380     def test_run_vcgnapt(self, ssh, *args):
 381         mock_ssh(ssh)
 382
 383         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 384         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 385         cgnapt_approx_vnf._build_config = mock.MagicMock()
 386         cgnapt_approx_vnf.queue_wrapper = mock.MagicMock()
 387         cgnapt_approx_vnf.ssh_helper = mock.MagicMock()
 388         cgnapt_approx_vnf.ssh_helper.run = mock.MagicMock()
 389         cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 390         cgnapt_approx_vnf._run()
 391         cgnapt_approx_vnf.ssh_helper.run.assert_called_once()
 392
 393     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context")
 394     @mock.patch(SSH_HELPER)
 395     def test_instantiate(self, ssh, *args):
 396         mock_ssh(ssh)
 397
 398         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 399         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 400         cgnapt_approx_vnf.deploy_helper = mock.MagicMock()
 401         cgnapt_approx_vnf.resource_helper = mock.MagicMock()
 402         cgnapt_approx_vnf._build_config = mock.MagicMock()
 403         self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
 404                                                     'rules': ""}}
 405         cgnapt_approx_vnf.q_out.put("pipeline>")
 406         cgnapt_vnf.WAIT_TIME = 3
 407         self.scenario_cfg.update({"nodes": {"vnf__0": ""}})
 408         self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg,
 409                                                         self.context_cfg))
 410
 411     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 412     @mock.patch(SSH_HELPER)
 413     def test_terminate(self, ssh, *args):
 414         mock_ssh(ssh)
 415
 416         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 417         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 418         cgnapt_approx_vnf._vnf_process = mock.MagicMock()
 419         cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
 420         cgnapt_approx_vnf.used_drivers = {"01:01.0": "i40e",
 421                                           "01:01.1": "i40e"}
 422         cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
 423         cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py"
 424         cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
 425         self.assertIsNone(cgnapt_approx_vnf.terminate())
 426
 427     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 428     @mock.patch(SSH_HELPER)
 429     def test__vnf_up_post(self, ssh, *args):
 430         mock_ssh(ssh)
 431
 432         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 433         self.scenario_cfg['options'][name]['napt'] = 'static'
 434
 435         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 436         cgnapt_approx_vnf._vnf_process = mock.MagicMock()
 437         cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
 438         cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
 439         cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 440         cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
 441         cgnapt_approx_vnf._vnf_up_post()
 442
 443     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 444     @mock.patch(SSH_HELPER)
 445     def test__vnf_up_post_short(self, ssh, *args):
 446         mock_ssh(ssh)
 447
 448         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 449         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 450         cgnapt_approx_vnf._vnf_process = mock.MagicMock()
 451         cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
 452         cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
 453         cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 454         cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
 455         cgnapt_approx_vnf._vnf_up_post()