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