tests/unit/network_services/vnf_generic/vnf/test_tg_ping.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 unittest
  21 import mock
  22 from multiprocessing import Queue
  23 import multiprocessing
  24
  25 from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
  26 from tests.unit import STL_MOCKS
  27
  28 SSH_HELPER = "yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper"
  29
  30 STLClient = mock.MagicMock()
  31 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  32 stl_patch.start()
  33
  34 if stl_patch:
  35     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingParser
  36     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingTrafficGen
  37     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingResourceHelper
  38     from yardstick.network_services.vnf_generic.vnf.tg_ping import PingSetupEnvHelper
  39     from yardstick.network_services.vnf_generic.vnf.vnf_ssh_helper import VnfSshHelper
  40
  41
  42 class TestPingResourceHelper(unittest.TestCase):
  43     def test___init__(self):
  44         setup_helper = mock.Mock()
  45         helper = PingResourceHelper(setup_helper)
  46
  47         self.assertIsInstance(helper._queue, multiprocessing.queues.Queue)
  48         self.assertIsInstance(helper._parser, PingParser)
  49
  50     def test_run_traffic(self):
  51         setup_helper = mock.Mock()
  52         traffic_profile = mock.Mock()
  53         traffic_profile.params = {
  54             'traffic_profile': {
  55                 'frame_size': 64,
  56             },
  57         }
  58
  59         helper = PingResourceHelper(setup_helper)
  60         helper.cmd_kwargs = {'target_ip': '10.0.0.2',
  61                              'local_ip': '10.0.0.1',
  62                              'local_if_name': 'eth0',
  63                              }
  64         helper.ssh_helper = mock.Mock()
  65         helper.run_traffic(traffic_profile)
  66         helper.ssh_helper.run.called_with('ping-s 64 10.0.0.2')
  67
  68
  69 class TestPingParser(unittest.TestCase):
  70     def test___init__(self):
  71         q_out = Queue()
  72         ping_parser = PingParser(q_out)
  73         self.assertIsNotNone(ping_parser.queue)
  74
  75     def test_clear(self):
  76         sample_out = """
  77 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  78          """
  79         q_out = Queue()
  80         ping_parser = PingParser(q_out)
  81         ping_parser.write(sample_out)
  82         ping_parser.clear()
  83         self.assertTrue(q_out.empty())
  84
  85     def test_close(self):
  86         q_out = Queue()
  87         ping_parser = PingParser(q_out)
  88         self.assertIsNone(ping_parser.close())
  89
  90     def test_write(self):
  91         sample_out = """
  92 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  93          """
  94         q_out = Queue()
  95         ping_parser = PingParser(q_out)
  96         ping_parser.write(sample_out)
  97
  98         self.assertEqual({"packets_received": 3.0, "rtt": 0.296}, q_out.get())
  99
 100
 101 class TestPingTrafficGen(unittest.TestCase):
 102     VNFD_0_EXT_IF_0 = {
 103         'virtual-interface': {
 104             'dst_mac': '00:00:00:00:00:04',
 105             'vpci': '0000:05:00.0',
 106             'local_ip': u'152.16.100.19',
 107             'type': 'PCI-PASSTHROUGH',
 108             'netmask': '255.255.255.0',
 109             'bandwidth': '10 Gbps',
 110             'driver': "i40e",
 111             'dst_ip': u'152.16.100.20',
 112             'local_iface_name': 'xe0',
 113             'local_mac': '00:00:00:00:00:02',
 114         },
 115         'vnfd-connection-point-ref': 'xe0',
 116         'name': 'xe0',
 117     }
 118
 119     VNFD_0_EXT_IF_1 = {
 120         'virtual-interface': {
 121             'dst_mac': '00:00:00:00:00:03',
 122             'vpci': '0000:05:00.1',
 123             'local_ip': u'152.16.40.19',
 124             'type': 'PCI-PASSTHROUGH',
 125             'driver': "i40e",
 126             'netmask': '255.255.255.0',
 127             'bandwidth': '10 Gbps',
 128             'dst_ip': u'152.16.40.20',
 129             'local_iface_name': 'xe1',
 130             'local_mac': '00:00:00:00:00:01',
 131         },
 132         'vnfd-connection-point-ref': 'xe1',
 133         'name': 'xe1',
 134     }
 135
 136     VNFD_0_EXT_IF_LIST = [
 137         VNFD_0_EXT_IF_0,
 138         VNFD_0_EXT_IF_1,
 139     ]
 140
 141     VNFD_0 = {
 142         'short-name': 'VpeVnf',
 143         'vdu': [
 144             {
 145                 'routing_table': [
 146                     {
 147                         'network': u'152.16.100.20',
 148                         'netmask': u'255.255.255.0',
 149                         'gateway': u'152.16.100.20',
 150                         'if': 'xe0',
 151                     },
 152                     {
 153                         'network': u'152.16.40.20',
 154                         'netmask': u'255.255.255.0',
 155                         'gateway': u'152.16.40.20',
 156                         'if': 'xe1',
 157                     },
 158                 ],
 159                 'description': 'VPE approximation using DPDK',
 160                 'name': 'vpevnf-baremetal',
 161                 'nd_route_tbl': [
 162                     {
 163                         'network': '0064:ff9b:0:0:0:0:9810:6414',
 164                         'netmask': '112',
 165                         'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 166                         'if': 'xe0',
 167                     },
 168                     {
 169                         'network': '0064:ff9b:0:0:0:0:9810:2814',
 170                         'netmask': '112',
 171                         'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 172                         'if': 'xe1',
 173                     },
 174                 ],
 175                 'id': 'vpevnf-baremetal',
 176                 'external-interface': VNFD_0_EXT_IF_LIST,
 177             },
 178         ],
 179         'description': 'Vpe approximation using DPDK',
 180         'mgmt-interface': {
 181             'vdu-id': 'vpevnf-baremetal',
 182             'host': '1.1.1.1',
 183             'password': 'r00t',
 184             'user': 'root',
 185             'ip': '1.1.1.1',
 186         },
 187         'benchmark': {
 188             'kpi': [
 189                 'packets_in',
 190                 'packets_fwd',
 191                 'packets_dropped',
 192             ],
 193         },
 194         'connection-point': [
 195             {
 196                 'type': 'VPORT',
 197                 'name': 'xe0',
 198             },
 199             {
 200                 'type': 'VPORT',
 201                 'name': 'xe1',
 202             },
 203         ],
 204         'id': 'VpeApproxVnf',
 205         'name': 'VPEVnfSsh',
 206     }
 207
 208     VNFD = {
 209         'vnfd:vnfd-catalog': {
 210             'vnfd': [
 211                 VNFD_0,
 212             ],
 213         },
 214     }
 215
 216     TRAFFIC_PROFILE = {
 217         "schema": "isb:traffic_profile:0.1",
 218         "name": "fixed",
 219         "description": "Fixed traffic profile to run UDP traffic",
 220         "traffic_profile": {
 221             "traffic_type": "FixedTraffic",
 222             "frame_rate": 100,  # pps
 223             "flow_number": 10,
 224             "frame_size": 64,
 225         },
 226     }
 227
 228     CMD_KWARGS = {
 229         'target_ip': u'152.16.100.20',
 230         'local_ip': u'152.16.100.19',
 231         'local_if_name': u'xe0_fake',
 232     }
 233
 234     @mock.patch("yardstick.ssh.SSH")
 235     def test___init__(self, ssh):
 236         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 237         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 238
 239         self.assertIsInstance(ping_traffic_gen.setup_helper, PingSetupEnvHelper)
 240         self.assertIsInstance(ping_traffic_gen.resource_helper, PingResourceHelper)
 241         self.assertEqual(ping_traffic_gen._result, {})
 242
 243     @mock.patch("yardstick.ssh.SSH")
 244     def test__bind_device_kernel_with_failure(self, ssh):
 245         mock_ssh(ssh)
 246
 247         execute_result_data = [
 248             (1, 'bad stdout messages', 'error messages'),
 249             (0, '', ''),
 250             (0, 'if_name_1', ''),
 251             (0, 'if_name_2', ''),
 252         ]
 253         ssh.from_node.return_value.execute.side_effect = iter(execute_result_data)
 254         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 255         ext_ifs = ping_traffic_gen.vnfd_helper.interfaces
 256         self.assertNotEqual(ext_ifs[0]['virtual-interface']['local_iface_name'], 'if_name_1')
 257         self.assertNotEqual(ext_ifs[1]['virtual-interface']['local_iface_name'], 'if_name_2')
 258
 259     @mock.patch("yardstick.ssh.SSH")
 260     def test_collect_kpi(self, ssh):
 261         mock_ssh(ssh, exec_result=(0, "success", ""))
 262         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 263         ping_traffic_gen._queue = Queue()
 264         ping_traffic_gen._queue.put({})
 265         ping_traffic_gen.collect_kpi()
 266         self.assertEqual(ping_traffic_gen._result, {})
 267
 268     @mock.patch(SSH_HELPER)
 269     def test_instantiate(self, ssh):
 270         mock_ssh(ssh, spec=VnfSshHelper, exec_result=(0, "success", ""))
 271         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 272         ping_traffic_gen.setup_helper.ssh_helper = mock.MagicMock(
 273             **{"execute.return_value": (0, "xe0_fake", "")})
 274         self.assertIsInstance(ping_traffic_gen.ssh_helper, mock.Mock)
 275         self.assertEqual(ping_traffic_gen._result, {})
 276
 277         self.assertIsNone(ping_traffic_gen.instantiate({}, {}))
 278
 279         self.assertEqual(
 280             ping_traffic_gen.vnfd_helper.interfaces[0]['virtual-interface']['local_iface_name'],
 281             'xe0_fake')
 282         self.assertEqual(self.CMD_KWARGS, ping_traffic_gen.resource_helper.cmd_kwargs)
 283         self.assertIsNotNone(ping_traffic_gen._result)
 284
 285     def test_listen_traffic(self):
 286         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 287         self.assertIsNone(ping_traffic_gen.listen_traffic({}))
 288
 289     @mock.patch("yardstick.ssh.SSH")
 290     def test_terminate(self, ssh):
 291         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 292         ssh.from_node.return_value.run.return_value = 0, "success", ""
 293
 294         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0)
 295         self.assertIsNone(ping_traffic_gen.terminate())