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