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.benchmark.contexts import base as ctx_base
  24 from yardstick.network_services.vnf_generic.vnf.tg_ping import PingParser
  25 from yardstick.network_services.vnf_generic.vnf.tg_ping import PingTrafficGen
  26 from yardstick.network_services.vnf_generic.vnf.tg_ping import PingResourceHelper
  27 from yardstick.network_services.vnf_generic.vnf.tg_ping import PingSetupEnvHelper
  28 from yardstick.network_services.vnf_generic.vnf.vnf_ssh_helper import VnfSshHelper
  29
  30
  31 SSH_HELPER = "yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper"
  32
  33
  34 class TestPingResourceHelper(unittest.TestCase):
  35     def test___init__(self):
  36         setup_helper = mock.Mock()
  37         helper = PingResourceHelper(setup_helper)
  38
  39         self.assertIsInstance(helper._queue, multiprocessing.queues.Queue)
  40         self.assertIsInstance(helper._parser, PingParser)
  41
  42     def test_run_traffic(self):
  43         setup_helper = mock.Mock()
  44         traffic_profile = mock.Mock()
  45         traffic_profile.params = {
  46             'traffic_profile': {
  47                 'frame_size': 64,
  48             },
  49         }
  50
  51         helper = PingResourceHelper(setup_helper)
  52         helper.cmd_kwargs = {'target_ip': '10.0.0.2',
  53                              'local_ip': '10.0.0.1',
  54                              'local_if_name': 'eth0',
  55                              }
  56         helper.ssh_helper = mock.Mock()
  57         helper.run_traffic(traffic_profile)
  58         helper.ssh_helper.run.called_with('ping-s 64 10.0.0.2')
  59
  60
  61 class TestPingParser(unittest.TestCase):
  62     def test___init__(self):
  63         q_out = Queue()
  64         ping_parser = PingParser(q_out)
  65         self.assertIsNotNone(ping_parser.queue)
  66
  67     def test_clear(self):
  68         sample_out = """
  69 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  70          """
  71         q_out = Queue()
  72         ping_parser = PingParser(q_out)
  73         ping_parser.write(sample_out)
  74         ping_parser.clear()
  75         self.assertTrue(q_out.empty())
  76
  77     def test_close(self):
  78         q_out = Queue()
  79         ping_parser = PingParser(q_out)
  80         self.assertIsNone(ping_parser.close())
  81
  82     def test_write(self):
  83         sample_out = """
  84 64 bytes from 10.102.22.93: icmp_seq=3 ttl=64 time=0.296 ms
  85          """
  86         q_out = Queue()
  87         ping_parser = PingParser(q_out)
  88         ping_parser.write(sample_out)
  89
  90         self.assertEqual({"packets_received": 3.0, "rtt": 0.296}, q_out.get())
  91
  92
  93 class TestPingTrafficGen(unittest.TestCase):
  94     VNFD_0_EXT_IF_0 = {
  95         'virtual-interface': {
  96             'dst_mac': '00:00:00:00:00:04',
  97             'vpci': '0000:05:00.0',
  98             'local_ip': u'152.16.100.19',
  99             'type': 'PCI-PASSTHROUGH',
 100             'netmask': '255.255.255.0',
 101             'bandwidth': '10 Gbps',
 102             'driver': "i40e",
 103             'dst_ip': u'152.16.100.20',
 104             'local_iface_name': 'xe0',
 105             'local_mac': '00:00:00:00:00:02',
 106         },
 107         'vnfd-connection-point-ref': 'xe0',
 108         'name': 'xe0',
 109     }
 110
 111     VNFD_0_EXT_IF_1 = {
 112         'virtual-interface': {
 113             'dst_mac': '00:00:00:00:00:03',
 114             'vpci': '0000:05:00.1',
 115             'local_ip': u'152.16.40.19',
 116             'type': 'PCI-PASSTHROUGH',
 117             'driver': "i40e",
 118             'netmask': '255.255.255.0',
 119             'bandwidth': '10 Gbps',
 120             'dst_ip': u'152.16.40.20',
 121             'local_iface_name': 'xe1',
 122             'local_mac': '00:00:00:00:00:01',
 123         },
 124         'vnfd-connection-point-ref': 'xe1',
 125         'name': 'xe1',
 126     }
 127
 128     VNFD_0_EXT_IF_LIST = [
 129         VNFD_0_EXT_IF_0,
 130         VNFD_0_EXT_IF_1,
 131     ]
 132
 133     VNFD_0 = {
 134         'short-name': 'VpeVnf',
 135         'vdu': [
 136             {
 137                 'routing_table': [
 138                     {
 139                         'network': u'152.16.100.20',
 140                         'netmask': u'255.255.255.0',
 141                         'gateway': u'152.16.100.20',
 142                         'if': 'xe0',
 143                     },
 144                     {
 145                         'network': u'152.16.40.20',
 146                         'netmask': u'255.255.255.0',
 147                         'gateway': u'152.16.40.20',
 148                         'if': 'xe1',
 149                     },
 150                 ],
 151                 'description': 'VPE approximation using DPDK',
 152                 'name': 'vpevnf-baremetal',
 153                 'nd_route_tbl': [
 154                     {
 155                         'network': '0064:ff9b:0:0:0:0:9810:6414',
 156                         'netmask': '112',
 157                         'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 158                         'if': 'xe0',
 159                     },
 160                     {
 161                         'network': '0064:ff9b:0:0:0:0:9810:2814',
 162                         'netmask': '112',
 163                         'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 164                         'if': 'xe1',
 165                     },
 166                 ],
 167                 'id': 'vpevnf-baremetal',
 168                 'external-interface': VNFD_0_EXT_IF_LIST,
 169             },
 170         ],
 171         'description': 'Vpe approximation using DPDK',
 172         'mgmt-interface': {
 173             'vdu-id': 'vpevnf-baremetal',
 174             'host': '1.1.1.1',
 175             'password': 'r00t',
 176             'user': 'root',
 177             'ip': '1.1.1.1',
 178         },
 179         'benchmark': {
 180             'kpi': [
 181                 'packets_in',
 182                 'packets_fwd',
 183                 'packets_dropped',
 184             ],
 185         },
 186         'connection-point': [
 187             {
 188                 'type': 'VPORT',
 189                 'name': 'xe0',
 190             },
 191             {
 192                 'type': 'VPORT',
 193                 'name': 'xe1',
 194             },
 195         ],
 196         'id': 'VpeApproxVnf',
 197         'name': 'VPEVnfSsh',
 198     }
 199
 200     VNFD = {
 201         'vnfd:vnfd-catalog': {
 202             'vnfd': [
 203                 VNFD_0,
 204             ],
 205         },
 206     }
 207
 208     TRAFFIC_PROFILE = {
 209         "schema": "isb:traffic_profile:0.1",
 210         "name": "fixed",
 211         "description": "Fixed traffic profile to run UDP traffic",
 212         "traffic_profile": {
 213             "traffic_type": "FixedTraffic",
 214             "frame_rate": 100,  # pps
 215             "flow_number": 10,
 216             "frame_size": 64,
 217         },
 218     }
 219
 220     CMD_KWARGS = {
 221         'target_ip': u'152.16.100.20',
 222         'local_ip': u'152.16.100.19',
 223         'local_if_name': u'xe0_fake',
 224     }
 225
 226     @mock.patch("yardstick.ssh.SSH")
 227     def test___init__(self, ssh):
 228         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 229         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 230
 231         self.assertIsInstance(ping_traffic_gen.setup_helper, PingSetupEnvHelper)
 232         self.assertIsInstance(ping_traffic_gen.resource_helper, PingResourceHelper)
 233         self.assertEqual(ping_traffic_gen._result, {})
 234
 235     @mock.patch("yardstick.ssh.SSH")
 236     def test__bind_device_kernel_with_failure(self, ssh):
 237         mock_ssh(ssh)
 238
 239         execute_result_data = [
 240             (1, 'bad stdout messages', 'error messages'),
 241             (0, '', ''),
 242             (0, 'if_name_1', ''),
 243             (0, 'if_name_2', ''),
 244         ]
 245         ssh.from_node.return_value.execute.side_effect = iter(execute_result_data)
 246         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 247         ext_ifs = ping_traffic_gen.vnfd_helper.interfaces
 248         self.assertNotEqual(ext_ifs[0]['virtual-interface']['local_iface_name'], 'if_name_1')
 249         self.assertNotEqual(ext_ifs[1]['virtual-interface']['local_iface_name'], 'if_name_2')
 250
 251     @mock.patch.object(ctx_base.Context, 'get_physical_node_from_server', return_value='mock_node')
 252     @mock.patch("yardstick.ssh.SSH")
 253     def test_collect_kpi(self, ssh, *args):
 254         mock_ssh(ssh, exec_result=(0, "success", ""))
 255
 256         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 257         ping_traffic_gen.scenario_helper.scenario_cfg = {
 258             'nodes': {ping_traffic_gen.name: "mock"}
 259         }
 260         ping_traffic_gen._queue = Queue()
 261         ping_traffic_gen._queue.put({})
 262         expected = {
 263             'physical_node': 'mock_node',
 264             'collect_stats': {}
 265         }
 266         # NOTE: Why we check _result but not collect_kpi() return value
 267         # self.assertEqual(ping_traffic_gen._result, {})
 268         self.assertEqual(ping_traffic_gen.collect_kpi(), expected)
 269
 270
 271     @mock.patch(SSH_HELPER)
 272     def test_instantiate(self, ssh):
 273         mock_ssh(ssh, spec=VnfSshHelper, exec_result=(0, "success", ""))
 274         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 275         ping_traffic_gen.setup_helper.ssh_helper = mock.MagicMock(
 276             **{"execute.return_value": (0, "xe0_fake", "")})
 277         self.assertIsInstance(ping_traffic_gen.ssh_helper, mock.Mock)
 278         self.assertEqual(ping_traffic_gen._result, {})
 279
 280         self.assertIsNone(ping_traffic_gen.instantiate({}, {}))
 281
 282         self.assertEqual(
 283             ping_traffic_gen.vnfd_helper.interfaces[0]['virtual-interface']['local_iface_name'],
 284             'xe0_fake')
 285         self.assertEqual(self.CMD_KWARGS, ping_traffic_gen.resource_helper.cmd_kwargs)
 286         self.assertIsNotNone(ping_traffic_gen._result)
 287
 288     def test_listen_traffic(self):
 289         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 290         self.assertIsNone(ping_traffic_gen.listen_traffic({}))
 291
 292     @mock.patch("yardstick.ssh.SSH")
 293     def test_terminate(self, ssh):
 294         ssh.from_node.return_value.execute.return_value = 0, "success", ""
 295         ssh.from_node.return_value.run.return_value = 0, "success", ""
 296
 297         ping_traffic_gen = PingTrafficGen('vnf1', self.VNFD_0, 'task_id')
 298         self.assertIsNone(ping_traffic_gen.terminate())