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