tests/unit/network_services/nfvi/test_resource.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 import errno
  16
  17 import mock
  18 import unittest
  19
  20 from yardstick.network_services.nfvi.resource import ResourceProfile
  21 from yardstick.network_services.nfvi import resource, collectd
  22 from yardstick.common.exceptions import ResourceCommandError
  23 from yardstick.common.exceptions import SSHError
  24
  25
  26 class TestResourceProfile(unittest.TestCase):
  27     VNFD = {'vnfd:vnfd-catalog':
  28             {'vnfd':
  29              [{'short-name': 'VpeVnf',
  30                'vdu':
  31                [{'routing_table':
  32                  [{'network': '172.16.100.20',
  33                    'netmask': '255.255.255.0',
  34                    'gateway': '172.16.100.20',
  35                    'if': 'xe0'},
  36                   {'network': '172.16.40.20',
  37                    'netmask': '255.255.255.0',
  38                    'gateway': '172.16.40.20',
  39                    'if': 'xe1'}],
  40                  'description': 'VPE approximation using DPDK',
  41                  'name': 'vpevnf-baremetal',
  42                  'nd_route_tbl':
  43                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
  44                    'netmask': '112',
  45                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  46                    'if': 'xe0'},
  47                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
  48                    'netmask': '112',
  49                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
  50                    'if': 'xe1'}],
  51                  'id': 'vpevnf-baremetal',
  52                  'external-interface':
  53                  [{'virtual-interface':
  54                    {'dst_mac': '3c:fd:fe:9e:64:38',
  55                     'vpci': '0000:05:00.0',
  56                     'local_ip': '172.16.100.19',
  57                     'type': 'PCI-PASSTHROUGH',
  58                     'netmask': '255.255.255.0',
  59                     'dpdk_port_num': 0,
  60                     'bandwidth': '10 Gbps',
  61                     'dst_ip': '172.16.100.20',
  62                     'local_mac': '3c:fd:fe:a1:2b:80'},
  63                    'vnfd-connection-point-ref': 'xe0',
  64                    'name': 'xe0'},
  65                   {'virtual-interface':
  66                    {'dst_mac': '00:1e:67:d0:60:5c',
  67                     'vpci': '0000:05:00.1',
  68                     'local_ip': '172.16.40.19',
  69                     'type': 'PCI-PASSTHROUGH',
  70                     'netmask': '255.255.255.0',
  71                     'dpdk_port_num': 1,
  72                     'bandwidth': '10 Gbps',
  73                     'dst_ip': '172.16.40.20',
  74                     'local_mac': '3c:fd:fe:a1:2b:81'},
  75                    'vnfd-connection-point-ref': 'xe1',
  76                    'name': 'xe1'}]}],
  77                'description': 'Vpe approximation using DPDK',
  78                'mgmt-interface':
  79                    {'vdu-id': 'vpevnf-baremetal',
  80                     'host': '127.0.0.1',
  81                     'password': 'r00t',
  82                     'user': 'root',
  83                     'ip': '127.0.0.1'},
  84                'benchmark':
  85                    {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
  86                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
  87                                     {'type': 'VPORT', 'name': 'xe1'}],
  88                'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
  89
  90     def setUp(self):
  91         with mock.patch("yardstick.ssh.AutoConnectSSH") as ssh:
  92             self.ssh_mock = mock.Mock(autospec=ssh.SSH)
  93             self.ssh_mock.execute = \
  94                 mock.Mock(return_value=(0, "", ""))
  95             ssh.from_node.return_value = self.ssh_mock
  96
  97             mgmt = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['mgmt-interface']
  98             # interfaces = \
  99             #    self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0]['external-interface']
 100             port_names = \
 101                 self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0]['external-interface']
 102             self.resource_profile = \
 103                 ResourceProfile(mgmt, port_names)
 104             self.resource_profile.connection = self.ssh_mock
 105
 106     def test___init__(self):
 107         self.assertTrue(self.resource_profile.enable)
 108
 109     def test_check_if_system_agent_running(self):
 110         self.assertEqual(self.resource_profile.check_if_system_agent_running("collectd"),
 111                          (0, ""))
 112
 113     def test_check_if_system_agent_running_excetion(self):
 114         with mock.patch.object(self.resource_profile.connection, "execute") as mock_execute:
 115             mock_execute.side_effect = OSError(errno.ECONNRESET, "error")
 116             self.assertEqual(
 117                 self.resource_profile.check_if_system_agent_running("collectd"),
 118                 (1, None))
 119
 120     def test_get_cpu_data(self):
 121         reskey = ["", "cpufreq", "cpufreq-0"]
 122         value = "metric:10"
 123         val = self.resource_profile.get_cpu_data(reskey[1], reskey[2], value)
 124         self.assertIsNotNone(val)
 125
 126     def test_get_cpu_data_error(self):
 127         reskey = ["", "", ""]
 128         value = "metric:10"
 129         val = self.resource_profile.get_cpu_data(reskey[0], reskey[1], value)
 130         self.assertEqual(val, ('error', 'Invalid', '', ''))
 131
 132     def test__start_collectd(self):
 133         ssh_mock = mock.Mock()
 134         ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
 135         self.assertIsNone(self.resource_profile._start_collectd(ssh_mock,
 136                                                                 "/opt/nsb_bin"))
 137
 138         ssh_mock.execute = mock.Mock(side_effect=SSHError)
 139         with self.assertRaises(SSHError):
 140             self.resource_profile._start_collectd(ssh_mock, "/opt/nsb_bin")
 141
 142         ssh_mock.execute = mock.Mock(return_value=(1, "", ""))
 143         self.assertIsNone(self.resource_profile._start_collectd(ssh_mock,
 144                                                                 "/opt/nsb_bin"))
 145
 146     def test__start_rabbitmq(self):
 147         ssh_mock = mock.Mock()
 148         ssh_mock.execute = mock.Mock(return_value=(0, "RabbitMQ", ""))
 149         self.assertIsNone(self.resource_profile._start_rabbitmq(ssh_mock))
 150
 151         ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
 152         with self.assertRaises(ResourceCommandError):
 153             self.resource_profile._start_rabbitmq(ssh_mock)
 154
 155         ssh_mock.execute = mock.Mock(return_value=(1, "", ""))
 156         with self.assertRaises(ResourceCommandError):
 157             self.resource_profile._start_rabbitmq(ssh_mock)
 158
 159     def test__prepare_collectd_conf(self):
 160             self.assertIsNone(
 161                 self.resource_profile._prepare_collectd_conf("/opt/nsb_bin"))
 162
 163     def test__setup_ovs_stats(self):
 164         # TODO(elfoley): This method doesn't actually return anything, the side
 165         # effects should be checked
 166         self.assertIsNone(
 167             self.resource_profile._setup_ovs_stats(self.ssh_mock))
 168
 169     def test__provide_config_file(self,):
 170         loadplugin = range(5)
 171         port_names = range(5)
 172         kwargs = {
 173             "interval": '25',
 174             "loadplugin": loadplugin,
 175             "port_names": port_names,
 176         }
 177         self.resource_profile._provide_config_file("/opt/nsb_bin", "collectd.conf", kwargs)
 178         self.ssh_mock.execute.assert_called_once()
 179
 180     def test_initiate_systemagent(self):
 181         self.resource_profile._start_collectd = mock.Mock()
 182         self.resource_profile._start_rabbitmq = mock.Mock()
 183         self.assertIsNone(
 184             self.resource_profile.initiate_systemagent("/opt/nsb_bin"))
 185
 186     def test_initiate_systemagent_raise(self):
 187         self.resource_profile._start_rabbitmq = mock.Mock(side_effect=RuntimeError)
 188         with self.assertRaises(RuntimeError):
 189             self.resource_profile.initiate_systemagent("/opt/nsb_bin")
 190
 191     def test__parse_hugepages(self):
 192         reskey = ["cpu", "cpuFreq"]
 193         value = "timestamp:12345"
 194         res = self.resource_profile.parse_hugepages(reskey, value)
 195         self.assertEqual({'cpu/cpuFreq': '12345'}, res)
 196
 197     def test__parse_dpdkstat(self):
 198         reskey = ["dpdk0", "0"]
 199         value = "tx:12345"
 200         res = self.resource_profile.parse_dpdkstat(reskey, value)
 201         self.assertEqual({'dpdk0/0': '12345'}, res)
 202
 203     def test__parse_virt(self):
 204         reskey = ["vm0", "cpu"]
 205         value = "load:45"
 206         res = self.resource_profile.parse_virt(reskey, value)
 207         self.assertEqual({'vm0/cpu': '45'}, res)
 208
 209     def test__parse_ovs_stats(self):
 210         reskey = ["ovs", "stats"]
 211         value = "tx:45"
 212         res = self.resource_profile.parse_ovs_stats(reskey, value)
 213         self.assertEqual({'ovs/stats': '45'}, res)
 214
 215     def test_parse_collectd_result(self):
 216         res = self.resource_profile.parse_collectd_result({})
 217         expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {},
 218                            'memory': {}, 'ovs_stats': {}, 'timestamp': '',
 219                            'virt': {}}
 220         self.assertDictEqual(res, expected_result)
 221
 222     def test_parse_collectd_result_cpu(self):
 223         metric = {"nsb_stats/cpu/0/ipc": "101"}
 224         self.resource_profile.get_cpu_data = mock.Mock(return_value=[1,
 225                                                                      "ipc",
 226                                                                      "1234",
 227                                                                      ""])
 228         res = self.resource_profile.parse_collectd_result(metric)
 229         expected_result = {'cpu': {1: {'ipc': '1234'}}, 'dpdkstat': {}, 'hugepages': {},
 230                            'memory': {}, 'ovs_stats': {}, 'timestamp': '',
 231                            'virt': {}}
 232         self.assertDictEqual(res, expected_result)
 233
 234     def test_parse_collectd_result_memory(self):
 235         metric = {"nsb_stats/memory/bw": "101"}
 236         res = self.resource_profile.parse_collectd_result(metric)
 237         expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {},
 238                            'memory': {'bw': '101'}, 'ovs_stats': {}, 'timestamp': '',
 239                            'virt': {}}
 240         self.assertDictEqual(res, expected_result)
 241
 242     def test_parse_collectd_result_hugepage(self):
 243         # amqp returns bytes
 244         metric = {b"nsb_stats/hugepages/free": b"101"}
 245         self.resource_profile.parse_hugepages = mock.Mock(return_value={"free": "101"})
 246         res = self.resource_profile.parse_collectd_result(metric)
 247         expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {'free': '101'},
 248                            'memory': {}, 'ovs_stats': {}, 'timestamp': '',
 249                            'virt': {}}
 250         self.assertDictEqual(res, expected_result)
 251
 252     def test_parse_collectd_result_dpdk_virt_ovs(self):
 253         metric = {b"nsb_stats/dpdkstat/tx": b"101",
 254                   b"nsb_stats/ovs_stats/tx": b"101",
 255                   b"nsb_stats/virt/virt/memory": b"101"}
 256         self.resource_profile.parse_dpdkstat = \
 257             mock.Mock(return_value={"tx": "101"})
 258         self.resource_profile.parse_virt = \
 259             mock.Mock(return_value={"memory": "101"})
 260         self.resource_profile.parse_ovs_stats = \
 261             mock.Mock(return_value={"tx": "101"})
 262         res = self.resource_profile.parse_collectd_result(metric)
 263         expected_result = {'cpu': {}, 'dpdkstat': {'tx': '101'}, 'hugepages': {},
 264                            'memory': {}, 'ovs_stats': {'tx': '101'}, 'timestamp': '',
 265                            'virt': {'memory': '101'}}
 266         self.assertDictEqual(res, expected_result)
 267
 268     def test_amqp_process_for_nfvi_kpi(self):
 269         self.resource_profile.amqp_client = \
 270             mock.MagicMock(side_effect=[None, mock.MagicMock()])
 271         self.resource_profile.run_collectd_amqp = \
 272             mock.Mock(return_value=0)
 273         res = self.resource_profile.amqp_process_for_nfvi_kpi()
 274         self.assertIsNone(res)
 275
 276     def test_amqp_collect_nfvi_kpi(self):
 277         self.resource_profile.amqp_client = \
 278             mock.MagicMock(side_effect=[None, mock.MagicMock()])
 279         self.resource_profile.run_collectd_amqp = \
 280             mock.Mock(return_value=0)
 281         self.resource_profile.parse_collectd_result = mock.Mock()
 282         res = self.resource_profile.amqp_collect_nfvi_kpi()
 283         self.assertIsNotNone(res)
 284
 285     def test_run_collectd_amqp(self):
 286         resource.AmqpConsumer = mock.Mock(autospec=collectd)
 287         self.assertIsNone(self.resource_profile.run_collectd_amqp())
 288
 289     def test_start(self):
 290         self.assertIsNone(self.resource_profile.start())
 291
 292     def test_stop(self):
 293         self.assertIsNone(self.resource_profile.stop())
 294
 295     def test_stop_amqp_not_running(self):
 296         self.resource_profile.amqp_client = mock.MagicMock()
 297         # TODO(efoley): Fix this incorrect test.
 298         # Should check that we don't try to stop amqp when it's not running
 299         self.assertIsNone(self.resource_profile.stop())