tests/unit/network_services/vnf_generic/vnf/test_cgnapt_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
  20 import os
  21 import unittest
  22 import mock
  23
  24 from tests.unit import STL_MOCKS
  25
  26
  27 STLClient = mock.MagicMock()
  28 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  29 stl_patch.start()
  30
  31 if stl_patch:
  32     from yardstick.network_services.vnf_generic.vnf.cgnapt_vnf import CgnaptApproxVnf, \
  33         CgnaptApproxSetupEnvHelper
  34     from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf
  35     from yardstick.network_services.nfvi.resource import ResourceProfile
  36
  37 TEST_FILE_YAML = 'nsb_test_case.yaml'
  38
  39
  40 name = 'vnf__1'
  41
  42
  43 class TestCgnaptApproxSetupEnvHelper(unittest.TestCase):
  44
  45     def test__generate_ip_from_pool(self):
  46
  47         ip = CgnaptApproxSetupEnvHelper._generate_ip_from_pool("1.2.3.4")
  48         self.assertEqual(next(ip), '1.2.3.4')
  49         self.assertEqual(next(ip), '1.2.4.4')
  50         self.assertEqual(next(ip), '1.2.5.4')
  51
  52     def test__update_cgnat_script_file(self):
  53
  54         sample = """\
  55 # See the License for the specific language governing permissions and
  56 # limitations under the License.
  57
  58 link 0 down
  59 link 0 config {port0_local_ip} {port0_prefixlen}
  60 link 0 up
  61 link 1 down
  62 link 1 config {port1_local_ip} {port1_prefixlen}
  63 link 1 up
  64 """
  65         header = "This is a header"
  66
  67         out = CgnaptApproxSetupEnvHelper._update_cgnat_script_file(header, sample.splitlines(), "")
  68         self.assertNotIn("This is a header", out)
  69
  70     def test__get_cgnapt_confgi(self):
  71
  72         c = CgnaptApproxSetupEnvHelper(mock.MagicMock(), mock.MagicMock(), mock.MagicMock())
  73         c._get_ports_gateway = mock.Mock(return_value=3)
  74         ret = c._get_cgnapt_config([{"name": 'a'}, {}, {"name": "b"}, {}, {"name": "c"}])
  75         self.assertEqual(ret, [3, 3, 3])
  76
  77
  78 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process")
  79 class TestCgnaptApproxVnf(unittest.TestCase):
  80     VNFD = {'vnfd:vnfd-catalog':
  81             {'vnfd':
  82              [{'short-name': 'VpeVnf',
  83                'vdu':
  84                [{'routing_table':
  85                  [{'network': '152.16.100.20',
  86                    'netmask': '255.255.255.0',
  87                    'gateway': '152.16.100.20',
  88                    'if': 'xe0'},
  89                   {'network': '152.16.40.20',
  90                    'netmask': '255.255.255.0',
  91                    'gateway': '152.16.40.20',
  92                    'if': 'xe1'}],
  93                  'description': 'VPE approximation using DPDK',
  94                  'name': 'vpevnf-baremetal',
  95                  'nd_route_tbl':
  96                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
  97                    'netmask': '112',
  98                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  99                    'if': 'xe0'},
 100                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
 101                    'netmask': '112',
 102                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 103                    'if': 'xe1'}],
 104                  'id': 'vpevnf-baremetal',
 105                  'external-interface':
 106                  [{'virtual-interface':
 107                    {'dst_mac': '00:00:00:00:00:04',
 108                     'vpci': '0000:05:00.0',
 109                     'local_ip': '152.16.100.19',
 110                     'type': 'PCI-PASSTHROUGH',
 111                     'netmask': '255.255.255.0',
 112                     'dpdk_port_num': '0',
 113                     'bandwidth': '10 Gbps',
 114                     'driver': "i40e",
 115                     'dst_ip': '152.16.100.20',
 116                     'local_iface_name': 'xe0',
 117                     'local_mac': '00:00:00:00:00:02'},
 118                    'vnfd-connection-point-ref': 'xe0',
 119                    'name': 'xe0'},
 120                   {'virtual-interface':
 121                    {'dst_mac': '00:00:00:00:00:03',
 122                     'vpci': '0000:05:00.1',
 123                     'local_ip': '152.16.40.19',
 124                     'type': 'PCI-PASSTHROUGH',
 125                     'driver': "i40e",
 126                     'netmask': '255.255.255.0',
 127                     'dpdk_port_num': '1',
 128                     'bandwidth': '10 Gbps',
 129                     'dst_ip': '152.16.40.20',
 130                     'local_iface_name': 'xe1',
 131                     'local_mac': '00:00:00:00:00:01'},
 132                    'vnfd-connection-point-ref': 'xe1',
 133                    'name': 'xe1'}]}],
 134                'description': 'Vpe approximation using DPDK',
 135                'mgmt-interface':
 136                    {'vdu-id': 'vpevnf-baremetal',
 137                     'host': '1.2.1.1',
 138                     'password': 'r00t',
 139                     'user': 'root',
 140                     'ip': '1.2.1.1'},
 141                'benchmark':
 142                    {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
 143                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 144                                     {'type': 'VPORT', 'name': 'xe1'}],
 145                'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}}
 146
 147     scenario_cfg = {'options': {'packetsize': 64, 'traffic_type': 4,
 148                                 'rfc2544': {'allowed_drop_rate': '0.8 - 1'},
 149                                 'vnf__1': {'rules': 'acl_1rule.yaml',
 150                                            'vnf_config': {'lb_config': 'SW',
 151                                                           'lb_count': 1,
 152                                                           'worker_config':
 153                                                           '1C/1T',
 154                                                           'worker_threads': 1}}
 155                                 },
 156                     'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 157                     'task_path': '/tmp',
 158                     'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 159                     'runner': {'object': 'NetworkServiceTestCase',
 160                                'interval': 35,
 161                                'output_filename': '/tmp/yardstick.out',
 162                                'runner_id': 74476, 'duration': 400,
 163                                'type': 'Duration'},
 164                     'traffic_profile': 'ipv4_throughput_acl.yaml',
 165                     'traffic_options': {'flow': 'ipv4_Packets_acl.yaml',
 166                                         'imix': 'imix_voice.yaml'},
 167                     'type': 'ISB',
 168                     'nodes': {'tg__2': 'trafficgen_2.yardstick',
 169                               'tg__1': 'trafficgen_1.yardstick',
 170                               'vnf__1': 'vnf.yardstick'},
 171                     'topology': 'vpe-tg-topology-baremetal.yaml'}
 172
 173     context_cfg = {'nodes': {'tg__2':
 174                              {'member-vnf-index': '3',
 175                               'role': 'TrafficGen',
 176                               'name': 'trafficgen_2.yardstick',
 177                               'vnfd-id-ref': 'tg__2',
 178                               'ip': '1.2.1.1',
 179                               'interfaces':
 180                               {'xe0': {'local_iface_name': 'ens513f0',
 181                                        'vld_id': 'public',
 182                                        'netmask': '255.255.255.0',
 183                                        'local_ip': '152.16.40.20',
 184                                        'dst_mac': '00:00:00:00:00:01',
 185                                        'local_mac': '00:00:00:00:00:03',
 186                                        'dst_ip': '152.16.40.19',
 187                                        'driver': 'ixgbe',
 188                                        'vpci': '0000:02:00.0',
 189                                        'dpdk_port_num': 0},
 190                                'xe1': {'local_iface_name': 'ens513f1',
 191                                        'netmask': '255.255.255.0',
 192                                        'network': '202.16.100.0',
 193                                        'local_ip': '202.16.100.20',
 194                                        'local_mac': '00:1e:67:d0:60:5d',
 195                                        'driver': 'ixgbe',
 196                                        'vpci': '0000:02:00.1',
 197                                        'dpdk_port_num': 1}},
 198                               'password': 'r00t',
 199                               'VNF model': 'l3fwd_vnf.yaml',
 200                               'user': 'root'},
 201                              'tg__1':
 202                              {'member-vnf-index': '1',
 203                               'role': 'TrafficGen',
 204                               'name': 'trafficgen_1.yardstick',
 205                               'vnfd-id-ref': 'tg__1',
 206                               'ip': '1.2.1.1',
 207                               'interfaces':
 208                               {'xe0': {'local_iface_name': 'ens785f0',
 209                                        'vld_id': 'private',
 210                                        'netmask': '255.255.255.0',
 211                                        'local_ip': '152.16.100.20',
 212                                        'dst_mac': '00:00:00:00:00:02',
 213                                        'local_mac': '00:00:00:00:00:04',
 214                                        'dst_ip': '152.16.100.19',
 215                                        'driver': 'i40e',
 216                                        'vpci': '0000:05:00.0',
 217                                        'dpdk_port_num': 0},
 218                                'xe1': {'local_iface_name': 'ens785f1',
 219                                        'netmask': '255.255.255.0',
 220                                        'local_ip': '152.16.100.21',
 221                                        'local_mac': '00:00:00:00:00:01',
 222                                        'driver': 'i40e',
 223                                        'vpci': '0000:05:00.1',
 224                                        'dpdk_port_num': 1}},
 225                               'password': 'r00t',
 226                               'VNF model': 'tg_rfc2544_tpl.yaml',
 227                               'user': 'root'},
 228                              'vnf__1':
 229                              {'name': 'vnf.yardstick',
 230                               'vnfd-id-ref': 'vnf__1',
 231                               'ip': '1.2.1.1',
 232                               'interfaces':
 233                               {'xe0': {'local_iface_name': 'ens786f0',
 234                                        'vld_id': 'private',
 235                                        'netmask': '255.255.255.0',
 236                                        'local_ip': '152.16.100.19',
 237                                        'dst_mac': '00:00:00:00:00:04',
 238                                        'local_mac': '00:00:00:00:00:02',
 239                                        'dst_ip': '152.16.100.20',
 240                                        'driver': 'i40e',
 241                                        'vpci': '0000:05:00.0',
 242                                        'dpdk_port_num': 0},
 243                                'xe1': {'local_iface_name': 'ens786f1',
 244                                        'vld_id': 'public',
 245                                        'netmask': '255.255.255.0',
 246                                        'local_ip': '152.16.40.19',
 247                                        'dst_mac': '00:00:00:00:00:03',
 248                                        'local_mac': '00:00:00:00:00:01',
 249                                        'dst_ip': '152.16.40.20',
 250                                        'driver': 'i40e',
 251                                        'vpci': '0000:05:00.1',
 252                                        'dpdk_port_num': 1}},
 253                               'routing_table':
 254                               [{'netmask': '255.255.255.0',
 255                                 'gateway': '152.16.100.20',
 256                                 'network': '152.16.100.20',
 257                                 'if': 'xe0'},
 258                                {'netmask': '255.255.255.0',
 259                                 'gateway': '152.16.40.20',
 260                                 'network': '152.16.40.20',
 261                                 'if': 'xe1'}],
 262                               'member-vnf-index': '2',
 263                               'host': '1.2.1.1',
 264                               'role': 'vnf',
 265                               'user': 'root',
 266                               'nd_route_tbl':
 267                               [{'netmask': '112',
 268                                 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 269                                 'network': '0064:ff9b:0:0:0:0:9810:6414',
 270                                 'if': 'xe0'},
 271                                {'netmask': '112',
 272                                 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 273                                 'network': '0064:ff9b:0:0:0:0:9810:2814',
 274                                 'if': 'xe1'}],
 275                               'password': 'r00t',
 276                               'VNF model': 'cgnapt_vnf.yaml'}}}
 277
 278     def test___init__(self, mock_process):
 279         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 280         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 281         self.assertIsNone(cgnapt_approx_vnf._vnf_process)
 282
 283     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 284     def test_collect_kpi(self, mock_time, mock_process):
 285         with mock.patch("yardstick.ssh.SSH") as ssh:
 286             ssh_mock = mock.Mock(autospec=ssh.SSH)
 287             ssh_mock.execute = \
 288                 mock.Mock(return_value=(0, "", ""))
 289             ssh.from_node.return_value = ssh_mock
 290             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 291             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 292             cgnapt_approx_vnf.q_in = mock.MagicMock()
 293             cgnapt_approx_vnf.q_out = mock.MagicMock()
 294             cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 295             cgnapt_approx_vnf.resource = mock.Mock(autospec=ResourceProfile)
 296             result = {'packets_dropped': 0, 'packets_fwd': 0, 'packets_in': 0}
 297             self.assertEqual(result, cgnapt_approx_vnf.collect_kpi())
 298
 299     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 300     def test_vnf_execute_command(self, mock_time, mock_process):
 301         with mock.patch("yardstick.ssh.SSH") as ssh:
 302             ssh_mock = mock.Mock(autospec=ssh.SSH)
 303             ssh_mock.execute = \
 304                 mock.Mock(return_value=(0, "", ""))
 305             ssh.from_node.return_value = ssh_mock
 306             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 307             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 308             cgnapt_approx_vnf.q_in = mock.MagicMock()
 309             cgnapt_approx_vnf.q_out = mock.MagicMock()
 310             cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 311             cmd = "quit"
 312             self.assertEqual("", cgnapt_approx_vnf.vnf_execute(cmd))
 313
 314     def test_get_stats(self, mock_process):
 315         with mock.patch("yardstick.ssh.SSH") as ssh:
 316             ssh_mock = mock.Mock(autospec=ssh.SSH)
 317             ssh_mock.execute = \
 318                 mock.Mock(return_value=(0, "", ""))
 319             ssh.from_node.return_value = ssh_mock
 320             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 321             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 322             cgnapt_approx_vnf.q_in = mock.MagicMock()
 323             cgnapt_approx_vnf.q_out = mock.MagicMock()
 324             cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 325             mock_result = \
 326                 "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress"
 327             cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=mock_result)
 328             self.assertListEqual(list(mock_result), list(cgnapt_approx_vnf.get_stats()))
 329
 330     def _get_file_abspath(self, filename):
 331         curr_path = os.path.dirname(os.path.abspath(__file__))
 332         file_path = os.path.join(curr_path, filename)
 333         return file_path
 334
 335     @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.hex")
 336     @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.eval")
 337     @mock.patch('yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.open')
 338     def test_run_vcgnapt(self, hex, eval, mock_open, mock_process):
 339         with mock.patch("yardstick.ssh.SSH") as ssh:
 340             ssh_mock = mock.Mock(autospec=ssh.SSH)
 341             ssh_mock.execute = \
 342                 mock.Mock(return_value=(0, "", ""))
 343             ssh_mock.run = \
 344                 mock.Mock(return_value=(0, "", ""))
 345             ssh.from_node.return_value = ssh_mock
 346             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 347             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 348             cgnapt_approx_vnf._build_config = mock.MagicMock()
 349             cgnapt_approx_vnf.queue_wrapper = mock.MagicMock()
 350             cgnapt_approx_vnf.ssh_helper = mock.MagicMock()
 351             cgnapt_approx_vnf.ssh_helper.run = mock.MagicMock()
 352             cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 353             cgnapt_approx_vnf._run()
 354             cgnapt_approx_vnf.ssh_helper.run.assert_called_once()
 355
 356     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context")
 357     def test_instantiate(self, mock_context, mock_process):
 358         with mock.patch("yardstick.ssh.SSH") as ssh:
 359             ssh_mock = mock.Mock(autospec=ssh.SSH)
 360             ssh_mock.execute = \
 361                 mock.Mock(return_value=(0, "", ""))
 362             ssh.from_node.return_value = ssh_mock
 363             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 364             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 365             cgnapt_approx_vnf.ssh_helper = ssh
 366             cgnapt_approx_vnf.deploy_helper = mock.MagicMock()
 367             cgnapt_approx_vnf.resource_helper = mock.MagicMock()
 368             cgnapt_approx_vnf._build_config = mock.MagicMock()
 369             self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
 370                                                         'rules': ""}}
 371             cgnapt_approx_vnf.q_out.put("pipeline>")
 372             cgnapt_vnf.WAIT_TIME = 3
 373             self.scenario_cfg.update({"nodes": {"vnf__1": ""}})
 374             self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg,
 375                                                             self.context_cfg))
 376
 377     def test_scale(self, mock_process):
 378         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 379         cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 380         flavor = ""
 381         self.assertRaises(NotImplementedError, cgnapt_approx_vnf.scale, flavor)
 382
 383     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 384     def test_terminate(self, mock_time, mock_process):
 385         with mock.patch("yardstick.ssh.SSH") as ssh:
 386             ssh_mock = mock.Mock(autospec=ssh.SSH)
 387             ssh_mock.execute = \
 388                 mock.Mock(return_value=(0, "", ""))
 389             ssh.from_node.return_value = ssh_mock
 390             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 391             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 392             cgnapt_approx_vnf._vnf_process = mock.MagicMock()
 393             cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
 394             cgnapt_approx_vnf.used_drivers = {"01:01.0": "i40e",
 395                                               "01:01.1": "i40e"}
 396             cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
 397             cgnapt_approx_vnf.ssh_helper = ssh_mock
 398             cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py"
 399             cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
 400             self.assertEqual(None, cgnapt_approx_vnf.terminate())
 401
 402     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 403     @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.time")
 404     def test__vnf_up_post(self, mock_time, mock_cgnapt_time, mock_process):
 405         with mock.patch("yardstick.ssh.SSH") as ssh:
 406             ssh_mock = mock.Mock(autospec=ssh.SSH)
 407             ssh_mock.execute = \
 408                 mock.Mock(return_value=(0, "", ""))
 409             ssh.from_node.return_value = ssh_mock
 410             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 411             cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
 412             cgnapt_approx_vnf._vnf_process = mock.MagicMock()
 413             cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
 414             cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
 415             cgnapt_approx_vnf.ssh_helper = ssh_mock
 416             cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 417             cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
 418             cgnapt_approx_vnf._vnf_up_post()
 419             cgnapt_approx_vnf.vnf_execute.assert_called_once()
 420
 421
 422 if __name__ == '__main__':
 423     unittest.main()