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 from copy import deepcopy
  16 import time
  17
  18 import mock
  19 import unittest
  20
  21 from yardstick.benchmark.contexts import base as ctx_base
  22 from yardstick.common import utils
  23 from yardstick.common import process
  24 from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf
  25 from yardstick.network_services.vnf_generic.vnf import sample_vnf
  26 from yardstick.network_services.nfvi import resource
  27
  28
  29 TEST_FILE_YAML = 'nsb_test_case.yaml'
  30 name = 'vnf__0'
  31
  32
  33 class TestCgnaptApproxSetupEnvHelper(unittest.TestCase):
  34
  35     def test__generate_ip_from_pool(self):
  36
  37         _ip = '1.2.3.4'
  38         ip = cgnapt_vnf.CgnaptApproxSetupEnvHelper._generate_ip_from_pool(_ip)
  39         self.assertEqual(next(ip), _ip)
  40         self.assertEqual(next(ip), '1.2.4.4')
  41         self.assertEqual(next(ip), '1.2.5.4')
  42
  43     def test__update_cgnat_script_file(self):
  44
  45         sample = """\
  46 # See the License for the specific language governing permissions and
  47 # limitations under the License.
  48
  49 link 0 down
  50 link 0 config {port0_local_ip} {port0_prefixlen}
  51 link 0 up
  52 link 1 down
  53 link 1 config {port1_local_ip} {port1_prefixlen}
  54 link 1 up
  55 """
  56         header = "This is a header"
  57
  58         out = cgnapt_vnf.CgnaptApproxSetupEnvHelper._update_cgnat_script_file(
  59             header, sample.splitlines())
  60         self.assertNotIn("This is a header", out)
  61
  62     def test__get_cgnapt_config(self):
  63         vnfd_helper = mock.MagicMock()
  64         vnfd_helper.port_pairs.uplink_ports = [{"name": 'a'}, {"name": "b"}, {"name": "c"}]
  65
  66         helper = cgnapt_vnf.CgnaptApproxSetupEnvHelper(
  67             vnfd_helper, mock.Mock(), mock.Mock())
  68         result = helper._get_cgnapt_config()
  69         self.assertIsNotNone(result)
  70
  71     def test_scale(self):
  72         helper = cgnapt_vnf.CgnaptApproxSetupEnvHelper(
  73             mock.Mock(), mock.Mock(), mock.Mock())
  74         with self.assertRaises(NotImplementedError):
  75             helper.scale()
  76
  77     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.open')
  78     @mock.patch.object(utils, 'find_relative_file')
  79     @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.MultiPortConfig')
  80     @mock.patch.object(utils, 'open_relative_file')
  81     def test_build_config(self, *args):
  82         vnfd_helper = mock.Mock()
  83         ssh_helper = mock.Mock()
  84         scenario_helper = mock.Mock()
  85         scenario_helper.vnf_cfg = {'lb_config': 'HW'}
  86         scenario_helper.options = {}
  87         scenario_helper.all_options = {}
  88
  89         cgnat_approx_setup_helper = cgnapt_vnf.CgnaptApproxSetupEnvHelper(
  90             vnfd_helper, ssh_helper, scenario_helper)
  91
  92         cgnat_approx_setup_helper.ssh_helper.provision_tool = mock.Mock(return_value='tool_path')
  93         cgnat_approx_setup_helper.ssh_helper.all_ports = mock.Mock()
  94         cgnat_approx_setup_helper.vnfd_helper.port_nums = mock.Mock(return_value=[0, 1])
  95         expected = 'sudo tool_path -p 0x3 -f /tmp/cgnapt_config -s /tmp/cgnapt_script  --hwlb 3'
  96         self.assertEqual(cgnat_approx_setup_helper.build_config(), expected)
  97
  98
  99 @mock.patch.object(sample_vnf, 'Process')
 100 class TestCgnaptApproxVnf(unittest.TestCase):
 101     VNFD = {'vnfd:vnfd-catalog':
 102             {'vnfd':
 103              [{'short-name': 'VpeVnf',
 104                'vdu':
 105                [{'routing_table':
 106                  [{'network': '152.16.100.20',
 107                    'netmask': '255.255.255.0',
 108                    'gateway': '152.16.100.20',
 109                    'if': 'xe0'},
 110                   {'network': '152.16.40.20',
 111                    'netmask': '255.255.255.0',
 112                    'gateway': '152.16.40.20',
 113                    'if': 'xe1'}],
 114                  'description': 'VPE approximation using DPDK',
 115                  'name': 'vpevnf-baremetal',
 116                  'nd_route_tbl':
 117                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
 118                    'netmask': '112',
 119                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 120                    'if': 'xe0'},
 121                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
 122                    'netmask': '112',
 123                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 124                    'if': 'xe1'}],
 125                  'id': 'vpevnf-baremetal',
 126                  'external-interface':
 127                  [{'virtual-interface':
 128                    {'dst_mac': '00:00:00:00:00:04',
 129                     'vpci': '0000:05:00.0',
 130                     'local_ip': '152.16.100.19',
 131                     'type': 'PCI-PASSTHROUGH',
 132                     'netmask': '255.255.255.0',
 133                     'dpdk_port_num': 0,
 134                     'bandwidth': '10 Gbps',
 135                     'driver': "i40e",
 136                     'dst_ip': '152.16.100.20',
 137                     'local_iface_name': 'xe0',
 138                     'local_mac': '00:00:00:00:00:02'},
 139                    'vnfd-connection-point-ref': 'xe0',
 140                    'name': 'xe0'},
 141                   {'virtual-interface':
 142                    {'dst_mac': '00:00:00:00:00:03',
 143                     'vpci': '0000:05:00.1',
 144                     'local_ip': '152.16.40.19',
 145                     'type': 'PCI-PASSTHROUGH',
 146                     'driver': "i40e",
 147                     'netmask': '255.255.255.0',
 148                     'dpdk_port_num': 1,
 149                     'bandwidth': '10 Gbps',
 150                     'dst_ip': '152.16.40.20',
 151                     'local_iface_name': 'xe1',
 152                     'local_mac': '00:00:00:00:00:01'},
 153                    'vnfd-connection-point-ref': 'xe1',
 154                    'name': 'xe1'}]}],
 155                'description': 'Vpe approximation using DPDK',
 156                'mgmt-interface':
 157                    {'vdu-id': 'vpevnf-baremetal',
 158                     'host': '1.2.1.1',
 159                     'password': 'r00t',
 160                     'user': 'root',
 161                     'ip': '1.2.1.1'},
 162                'benchmark':
 163                    {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
 164                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 165                                     {'type': 'VPORT', 'name': 'xe1'}],
 166                'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}}
 167
 168     SCENARIO_CFG = {
 169         'options': {
 170             'packetsize': 64,
 171             'traffic_type': 4,
 172             'rfc2544': {
 173                 'allowed_drop_rate': '0.8 - 1',
 174             },
 175             'vnf__0': {
 176                 'napt': 'dynamic',
 177                 'vnf_config': {
 178                     'lb_config': 'SW',
 179                     'lb_count': 1,
 180                     'worker_config':
 181                     '1C/1T',
 182                     'worker_threads': 1,
 183                 },
 184             },
 185             'flow': {'count': 1,
 186                      'dst_ip': [{'tg__1': 'xe0'}],
 187                      'public_ip': [''],
 188                      'src_ip': [{'tg__0': 'xe0'}]},
 189         },
 190         'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 191         'task_path': '/tmp',
 192         'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 193         'runner': {
 194             'object': 'NetworkServiceTestCase',
 195             'interval': 35,
 196             'output_filename': '/tmp/yardstick.out',
 197             'runner_id': 74476,
 198             'duration': 400,
 199             'type': 'Duration',
 200         },
 201         'traffic_profile': 'ipv4_throughput_acl.yaml',
 202         'type': 'NSPerf',
 203         'nodes': {
 204             'tg__1': 'trafficgen_1.yardstick',
 205             'tg__0': 'trafficgen_0.yardstick',
 206             'vnf__0': 'vnf.yardstick',
 207         },
 208         'topology': 'vpe-tg-topology-baremetal.yaml',
 209     }
 210
 211     context_cfg = {'nodes': {'tg__2':
 212                              {'member-vnf-index': '3',
 213                               'role': 'TrafficGen',
 214                               'name': 'trafficgen_2.yardstick',
 215                               'vnfd-id-ref': 'tg__2',
 216                               'ip': '1.2.1.1',
 217                               'interfaces':
 218                               {'xe0': {'local_iface_name': 'ens513f0',
 219                                        'vld_id': cgnapt_vnf.CgnaptApproxVnf.DOWNLINK,
 220                                        'netmask': '255.255.255.0',
 221                                        'local_ip': '152.16.40.20',
 222                                        'dst_mac': '00:00:00:00:00:01',
 223                                        'local_mac': '00:00:00:00:00:03',
 224                                        'dst_ip': '152.16.40.19',
 225                                        'driver': 'ixgbe',
 226                                        'vpci': '0000:02:00.0',
 227                                        'dpdk_port_num': 0},
 228                                'xe1': {'local_iface_name': 'ens513f1',
 229                                        'netmask': '255.255.255.0',
 230                                        'network': '202.16.100.0',
 231                                        'local_ip': '202.16.100.20',
 232                                        'local_mac': '00:1e:67:d0:60:5d',
 233                                        'driver': 'ixgbe',
 234                                        'vpci': '0000:02:00.1',
 235                                        'dpdk_port_num': 1}},
 236                               'password': 'r00t',
 237                               'VNF model': 'l3fwd_vnf.yaml',
 238                               'user': 'root'},
 239                              'tg__1':
 240                              {'member-vnf-index': '1',
 241                               'role': 'TrafficGen',
 242                               'name': 'trafficgen_1.yardstick',
 243                               'vnfd-id-ref': 'tg__1',
 244                               'ip': '1.2.1.1',
 245                               'interfaces':
 246                               {'xe0': {'local_iface_name': 'ens785f0',
 247                                        'vld_id': cgnapt_vnf.CgnaptApproxVnf.UPLINK,
 248                                        'netmask': '255.255.255.0',
 249                                        'local_ip': '152.16.100.20',
 250                                        'dst_mac': '00:00:00:00:00:02',
 251                                        'local_mac': '00:00:00:00:00:04',
 252                                        'dst_ip': '152.16.100.19',
 253                                        'driver': 'i40e',
 254                                        'vpci': '0000:05:00.0',
 255                                        'dpdk_port_num': 0},
 256                                'xe1': {'local_iface_name': 'ens785f1',
 257                                        'netmask': '255.255.255.0',
 258                                        'local_ip': '152.16.100.21',
 259                                        'local_mac': '00:00:00:00:00:01',
 260                                        'driver': 'i40e',
 261                                        'vpci': '0000:05:00.1',
 262                                        'dpdk_port_num': 1}},
 263                               'password': 'r00t',
 264                               'VNF model': 'tg_rfc2544_tpl.yaml',
 265                               'user': 'root'},
 266                              'vnf__0':
 267                              {'name': 'vnf.yardstick',
 268                               'vnfd-id-ref': 'vnf__0',
 269                               'ip': '1.2.1.1',
 270                               'interfaces':
 271                               {'xe0': {'local_iface_name': 'ens786f0',
 272                                        'vld_id': cgnapt_vnf.CgnaptApproxVnf.UPLINK,
 273                                        'netmask': '255.255.255.0',
 274                                        'local_ip': '152.16.100.19',
 275                                        'dst_mac': '00:00:00:00:00:04',
 276                                        'local_mac': '00:00:00:00:00:02',
 277                                        'dst_ip': '152.16.100.20',
 278                                        'driver': 'i40e',
 279                                        'vpci': '0000:05:00.0',
 280                                        'dpdk_port_num': 0},
 281                                'xe1': {'local_iface_name': 'ens786f1',
 282                                        'vld_id': cgnapt_vnf.CgnaptApproxVnf.DOWNLINK,
 283                                        'netmask': '255.255.255.0',
 284                                        'local_ip': '152.16.40.19',
 285                                        'dst_mac': '00:00:00:00:00:03',
 286                                        'local_mac': '00:00:00:00:00:01',
 287                                        'dst_ip': '152.16.40.20',
 288                                        'driver': 'i40e',
 289                                        'vpci': '0000:05:00.1',
 290                                        'dpdk_port_num': 1}},
 291                               'routing_table':
 292                               [{'netmask': '255.255.255.0',
 293                                 'gateway': '152.16.100.20',
 294                                 'network': '152.16.100.20',
 295                                 'if': 'xe0'},
 296                                {'netmask': '255.255.255.0',
 297                                 'gateway': '152.16.40.20',
 298                                 'network': '152.16.40.20',
 299                                 'if': 'xe1'}],
 300                               'member-vnf-index': '2',
 301                               'host': '1.2.1.1',
 302                               'role': 'vnf',
 303                               'user': 'root',
 304                               'nd_route_tbl':
 305                               [{'netmask': '112',
 306                                 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 307                                 'network': '0064:ff9b:0:0:0:0:9810:6414',
 308                                 'if': 'xe0'},
 309                                {'netmask': '112',
 310                                 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 311                                 'network': '0064:ff9b:0:0:0:0:9810:2814',
 312                                 'if': 'xe1'}],
 313                               'password': 'r00t',
 314                               'VNF model': 'cgnapt_vnf.yaml'}}}
 315
 316     def setUp(self):
 317         self.scenario_cfg = deepcopy(self.SCENARIO_CFG)
 318
 319     def test___init__(self, *args):
 320         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 321         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 322         self.assertIsNone(cgnapt_approx_vnf._vnf_process)
 323
 324     @mock.patch.object(process, 'check_if_process_failed')
 325     @mock.patch.object(ctx_base.Context, 'get_physical_node_from_server', return_value='mock_node')
 326     def test_collect_kpi(self, *args):
 327         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 328         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 329         cgnapt_approx_vnf.scenario_helper.scenario_cfg = {
 330             'nodes': {cgnapt_approx_vnf.name: "mock"}
 331         }
 332         cgnapt_approx_vnf._vnf_process = mock.MagicMock(
 333             **{"is_alive.return_value": True, "exitcode": None})
 334         cgnapt_approx_vnf.q_in = mock.MagicMock()
 335         cgnapt_approx_vnf.q_out = mock.MagicMock()
 336         cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 337         cgnapt_approx_vnf.resource = mock.Mock(
 338             autospec=resource.ResourceProfile)
 339         result = {
 340             'physical_node': 'mock_node',
 341             'packets_dropped': 0,
 342             'packets_fwd': 0,
 343             'packets_in': 0
 344         }
 345         with mock.patch.object(cgnapt_approx_vnf, 'get_stats',
 346                                return_value=''):
 347             self.assertEqual(result, cgnapt_approx_vnf.collect_kpi())
 348
 349     @mock.patch.object(time, 'sleep')
 350     def test_vnf_execute_command(self, *args):
 351         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 352         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 353         cgnapt_approx_vnf.q_in = mock.Mock()
 354         cgnapt_approx_vnf.q_out = mock.Mock()
 355         cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 356         self.assertEqual("", cgnapt_approx_vnf.vnf_execute('quit'))
 357
 358     def test_get_stats(self, *args):
 359         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 360         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 361         with mock.patch.object(cgnapt_approx_vnf, 'vnf_execute') as mock_exec:
 362             mock_exec.return_value = 'output'
 363             self.assertEqual('output', cgnapt_approx_vnf.get_stats())
 364
 365         mock_exec.assert_called_once_with('p cgnapt stats')
 366
 367     def test_run_vcgnapt(self, *args):
 368         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 369         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 370         cgnapt_approx_vnf.ssh_helper = mock.Mock()
 371         cgnapt_approx_vnf.setup_helper = mock.Mock()
 372         with mock.patch.object(cgnapt_approx_vnf, '_build_config'), \
 373                 mock.patch.object(cgnapt_approx_vnf, '_build_run_kwargs'):
 374             cgnapt_approx_vnf._run()
 375
 376         cgnapt_approx_vnf.ssh_helper.run.assert_called_once()
 377         cgnapt_approx_vnf.setup_helper.kill_vnf.assert_called_once()
 378
 379     @mock.patch.object(ctx_base.Context, 'get_context_from_server')
 380     def test_instantiate(self, *args):
 381         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 382         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 383         cgnapt_approx_vnf.deploy_helper = mock.MagicMock()
 384         cgnapt_approx_vnf.resource_helper = mock.MagicMock()
 385         cgnapt_approx_vnf._build_config = mock.MagicMock()
 386         self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
 387                                                     'rules': ""}}
 388         cgnapt_approx_vnf.q_out.put("pipeline>")
 389         cgnapt_vnf.WAIT_TIME = 3
 390         self.scenario_cfg.update({"nodes": {"vnf__0": ""}})
 391         with mock.patch.object(cgnapt_approx_vnf, '_start_vnf'):
 392             self.assertIsNone(cgnapt_approx_vnf.instantiate(
 393                 self.scenario_cfg, self.context_cfg))
 394
 395     @mock.patch.object(time, 'sleep')
 396     def test__vnf_up_post(self, *args):
 397         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 398         self.scenario_cfg['options'][name]['napt'] = 'static'
 399         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 400         cgnapt_approx_vnf.vnf_execute = mock.Mock()
 401         cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 402         with mock.patch.object(cgnapt_approx_vnf, 'setup_helper') as \
 403                 mock_setup_helper:
 404             mock_setup_helper._generate_ip_from_pool.return_value = ['ip1']
 405             mock_setup_helper._get_cgnapt_config.return_value = ['gw_ip1']
 406             cgnapt_approx_vnf._vnf_up_post()
 407
 408     def test__vnf_up_post_short(self, *args):
 409         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 410         cgnapt_approx_vnf = cgnapt_vnf.CgnaptApproxVnf(name, vnfd, 'task_id')
 411         cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 412         cgnapt_approx_vnf._vnf_up_post()