yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_ping.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 multiprocessing import Queue
  17 import multiprocessing
  18
  19 import mock
  20 import unittest
  21
  22 from yardstick.tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
  23 from yardstick.tests import STL_MOCKS
  24 from yardstick.benchmark.contexts import base as ctx_base
  25
  26 SSH_HELPER = "yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper"
  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.tg_ping import PingParser
  34     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingTrafficGen
  35     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingResourceHelper
  36     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingSetupEnvHelper
  37     from yardstick.network_services.vnf_generic.vnf.vnf_ssh_helper import VnfSshHelper
  38
  39
  40 class TestPingResourceHelper(unittest.TestCase):
  41     def test___init__(self):
  42         setup_helper = mock.Mock()
  43         helper = PingResourceHelper(setup_helper)
  44
  45         self.assertIsInstance(helper._queue, multiprocessing.queues.Queue)
  46         self.assertIsInstance(helper._parser, PingParser)
  47
  48     def test_run_traffic(self):
  49         setup_helper = mock.Mock()
  50         traffic_profile = mock.Mock()
  51         traffic_profile.params = {
  52             'traffic_profile': {
  53                 'frame_size': 64,
  54             },
  55         }
  56
  57         helper = PingResourceHelper(setup_helper)
  58         helper.cmd_kwargs = {'target_ip': '10.0.0.2',
  59                              'local_ip': '10.0.0.1',
  60                              'local_if_name': 'eth0',
  61                              }
  62         helper.ssh_helper = mock.Mock()
  63         helper.run_traffic(traffic_profile)
  64         helper.ssh_helper.run.called_with('ping-s 64 10.0.0.2')
  65
  66
  67 class TestPingParser(unittest.TestCase):
  68     def test___init__(self):
  69         q_out = Queue()
  70         ping_parser = PingParser(q_out)
  71         self.assertIsNotNone(ping_parser.queue)
  72
  73     def test_clear(self):
  74         sample_out = """
  75 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  76          """
  77         q_out = Queue()
  78         ping_parser = PingParser(q_out)
  79         ping_parser.write(sample_out)
  80         ping_parser.clear()
  81         self.assertTrue(q_out.empty())
  82
  83     def test_close(self):
  84         q_out = Queue()
  85         ping_parser = PingParser(q_out)
  86         self.assertIsNone(ping_parser.close())
  87
  88     def test_write(self):
  89         sample_out = """
  90 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  91          """
  92         q_out = Queue()
  93         ping_parser = PingParser(q_out)
  94         ping_parser.write(sample_out)
  95
  96         self.assertEqual({"packets_received": 3.0, "rtt": 0.296}, q_out.get())
  97
  98
  99 class TestPingTrafficGen(unittest.TestCase):
 100     VNFD_0_EXT_IF_0 = {
 101         'virtual-interface': {
 102             'dst_mac': '00:00:00:00:00:04',
 103             'vpci': '0000:05:00.0',
 104             'local_ip': u'152.16.100.19',
 105             'type': 'PCI-PASSTHROUGH',
 106             'netmask': '255.255.255.0',
 107             'bandwidth': '10 Gbps',
 108             'driver': "i40e",
 109             'dst_ip': u'152.16.100.20',
 110             'local_iface_name': 'xe0',
 111             'local_mac': '00:00:00:00:00:02',
 112         },
 113         'vnfd-connection-point-ref': 'xe0',
 114         'name': 'xe0',
 115     }
 116
 117     VNFD_0_EXT_IF_1 = {
 118         'virtual-interface': {
 119             'dst_mac': '00:00:00:00:00:03',
 120             'vpci': '0000:05:00.1',
 121             'local_ip': u'152.16.40.19',
 122             'type': 'PCI-PASSTHROUGH',
 123             'driver': "i40e",
 124             'netmask': '255.255.255.0',
 125             'bandwidth': '10 Gbps',
 126             'dst_ip': u'152.16.40.20',
 127             'local_iface_name': 'xe1',
 128             'local_mac': '00:00:00:00:00:01',
 129         },
 130         'vnfd-connection-point-ref': 'xe1',
 131         'name': 'xe1',
 132     }
 133
 134     VNFD_0_EXT_IF_LIST = [
 135         VNFD_0_EXT_IF_0,
 136         VNFD_0_EXT_IF_1,
 137     ]
 138
 139     VNFD_0 = {
 140         'short-name': 'VpeVnf',
 141         'vdu': [
 142             {
 143                 'routing_table': [
 144                     {
 145                         'network': u'152.16.100.20',
 146                         'netmask': u'255.255.255.0',
 147                         'gateway': u'152.16.100.20',
 148                         'if': 'xe0',
 149                     },
 150                     {
 151                         'network': u'152.16.40.20',
 152                         'netmask': u'255.255.255.0',
 153                         'gateway': u'152.16.40.20',
 154                         'if': 'xe1',
 155                     },
 156                 ],
 157                 'description': 'VPE approximation using DPDK',
 158                 'name': 'vpevnf-baremetal',
 159                 'nd_route_tbl': [
 160                     {
 161                         'network': '0064:ff9b:0:0:0:0:9810:6414',
 162                         'netmask': '112',
 163                         'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 164                         'if': 'xe0',
 165                     },
 166                     {
 167                         'network': '0064:ff9b:0:0:0:0:9810:2814',
 168                         'netmask': '112',
 169                         'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 170                         'if': 'xe1',
 171                     },
 172                 ],
 173                 'id': 'vpevnf-baremetal',
 174                 'external-interface': VNFD_0_EXT_IF_LIST,
 175             },
 176         ],
 177         'description': 'Vpe approximation using DPDK',
 178         'mgmt-interface': {
 179             'vdu-id': 'vpevnf-baremetal',
 180             'host': '1.1.1.1',
 181             'password': 'r00t',
 182             'user': 'root',
 183             'ip': '1.1.1.1',
 184         },
 185         'benchmark': {
 186             'kpi': [
 187                 'packets_in',
 188                 'packets_fwd',
 189                 'packets_dropped',
 190             ],
 191         },
 192         'connection-point': [
 193             {
 194                 'type': 'VPORT',
 195                 'name': 'xe0',
 196             },
 197             {
 198                 'type': 'VPORT',
 199                 'name': 'xe1',
 200             },
 201         ],
 202         'id': 'VpeApproxVnf',
 203         'name': 'VPEVnfSsh',
 204     }
 205
 206     VNFD = {
 207         'vnfd:vnfd-catalog': {
 208             'vnfd': [
 209                 VNFD_0,
 210             ],
 211         },
 212     }
 213
 214     TRAFFIC_PROFILE = {
 215         "schema": "isb:traffic_profile:0.1",
 216         "name": "fixed",
 217         "description": "Fixed traffic profile to run UDP traffic",
 218         "traffic_profile": {
 219             "traffic_type": "FixedTraffic",
 220             "frame_rate": 100,  # pps
 221             "flow_number": 10,
 222             "frame_size": 64,
 223         },
 224     }
 225
 226     CMD_KWARGS = {
 227         'target_ip': u'152.16.100.20',
 228         'local_ip': u'152.16.100.19',
 229         'local_if_name': u'xe0_fake',
 230     }
 231
 232     @mock.patch("yardstick.ssh.SSH")
 233     def test___init__(self, ssh):
 234         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 235         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 236
 237         self.assertIsInstance(ping_traffic_gen.setup_helper, PingSetupEnvHelper)
 238         self.assertIsInstance(ping_traffic_gen.resource_helper, PingResourceHelper)
 239         self.assertEqual(ping_traffic_gen._result, {})
 240
 241     @mock.patch("yardstick.ssh.SSH")
 242     def test__bind_device_kernel_with_failure(self, ssh):
 243         mock_ssh(ssh)
 244
 245         execute_result_data = [
 246             (1, 'bad stdout messages', 'error messages'),
 247             (0, '', ''),
 248             (0, 'if_name_1', ''),
 249             (0, 'if_name_2', ''),
 250         ]
 251         ssh.from_node.return_value.execute.side_effect = iter(execute_result_data)
 252         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 253         ext_ifs = ping_traffic_gen.vnfd_helper.interfaces
 254         self.assertNotEqual(ext_ifs[0]['virtual-interface']['local_iface_name'], 'if_name_1')
 255         self.assertNotEqual(ext_ifs[1]['virtual-interface']['local_iface_name'], 'if_name_2')
 256
 257     @mock.patch.object(ctx_base.Context, 'get_physical_node_from_server', return_value='mock_node')
 258     @mock.patch("yardstick.ssh.SSH")
 259     def test_collect_kpi(self, ssh, *args):
 260         mock_ssh(ssh, exec_result=(0, "success", ""))
 261
 262         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 263         ping_traffic_gen.scenario_helper.scenario_cfg = {
 264             'nodes': {ping_traffic_gen.name: "mock"}
 265         }
 266         ping_traffic_gen._queue = Queue()
 267         ping_traffic_gen._queue.put({})
 268         expected = {
 269             'physical_node': 'mock_node',
 270             'collect_stats': {}
 271         }
 272         # NOTE: Why we check _result but not collect_kpi() return value
 273         # self.assertEqual(ping_traffic_gen._result, {})
 274         self.assertEqual(ping_traffic_gen.collect_kpi(), expected)
 275
 276
 277     @mock.patch(SSH_HELPER)
 278     def test_instantiate(self, ssh):
 279         mock_ssh(ssh, spec=VnfSshHelper, exec_result=(0, "success", ""))
 280         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 281         ping_traffic_gen.setup_helper.ssh_helper = mock.MagicMock(
 282             **{"execute.return_value": (0, "xe0_fake", "")})
 283         self.assertIsInstance(ping_traffic_gen.ssh_helper, mock.Mock)
 284         self.assertEqual(ping_traffic_gen._result, {})
 285
 286         self.assertIsNone(ping_traffic_gen.instantiate({}, {}))
 287
 288         self.assertEqual(
 289             ping_traffic_gen.vnfd_helper.interfaces[0]['virtual-interface']['local_iface_name'],
 290             'xe0_fake')
 291         self.assertEqual(self.CMD_KWARGS, ping_traffic_gen.resource_helper.cmd_kwargs)
 292         self.assertIsNotNone(ping_traffic_gen._result)
 293
 294     def test_listen_traffic(self):
 295         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 296         self.assertIsNone(ping_traffic_gen.listen_traffic({}))
 297
 298     @mock.patch("yardstick.ssh.SSH")
 299     def test_terminate(self, ssh):
 300         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 301         ssh.from_node.return_value.run.return_value = 0, "success", ""
 302
 303         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 304         self.assertIsNone(ping_traffic_gen.terminate())