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