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