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