1 # Copyright (c) 2016-2019 Intel Corporation
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
20 from yardstick import ssh
21 from yardstick.benchmark.contexts import base as ctx_base
22 from yardstick.common import utils
23 from yardstick.network_services.vnf_generic.vnf import tg_ixload
24 from yardstick.network_services.traffic_profile import base as tp_base
25 from yardstick.tests.unit import base as ut_base
31 class TestIxLoadTrafficGen(ut_base.BaseUnitTestCase):
32 VNFD = {'vnfd:vnfd-catalog':
34 [{'short-name': 'VpeVnf',
37 [{'network': '152.16.100.20',
38 'netmask': '255.255.255.0',
39 'gateway': '152.16.100.20',
41 {'network': '152.16.40.20',
42 'netmask': '255.255.255.0',
43 'gateway': '152.16.40.20',
45 'description': 'VPE approximation using DPDK',
46 'name': 'vpevnf-baremetal',
48 [{'network': '0064:ff9b:0:0:0:0:9810:6414',
50 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
52 {'network': '0064:ff9b:0:0:0:0:9810:2814',
54 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
56 'id': 'vpevnf-baremetal',
58 [{'virtual-interface':
59 {'dst_mac': '00:00:00:00:00:04',
61 'vpci': '0000:05:00.0',
62 'local_ip': '152.16.100.19',
63 'type': 'PCI-PASSTHROUGH',
64 'netmask': '255.255.255.0',
66 'bandwidth': '10 Gbps',
68 'dst_ip': '152.16.100.20',
69 'local_iface_name': 'xe0',
70 'local_mac': '00:00:00:00:00:02'},
71 'vnfd-connection-point-ref': 'xe0',
74 {'dst_mac': '00:00:00:00:00:03',
75 'vld_id': 'downlink_0',
76 'vpci': '0000:05:00.1',
77 'local_ip': '152.16.40.19',
78 'type': 'PCI-PASSTHROUGH',
80 'netmask': '255.255.255.0',
82 'bandwidth': '10 Gbps',
83 'dst_ip': '152.16.40.20',
84 'local_iface_name': 'xe1',
85 'local_mac': '00:00:00:00:00:01'},
86 'vnfd-connection-point-ref': 'xe1',
88 'description': 'Vpe approximation using DPDK',
90 {'vdu-id': 'vpevnf-baremetal',
96 {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
97 'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
98 {'type': 'VPORT', 'name': 'xe1'}],
99 'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
102 "schema": "isb:traffic_profile:0.1",
104 "description": "Fixed traffic profile to run UDP traffic",
106 "traffic_type": "FixedTraffic",
107 "frame_rate": 100, # pps
112 self._mock_call = mock.patch.object(subprocess, 'call')
113 self.mock_call = self._mock_call.start()
114 self._mock_open = mock.patch.object(tg_ixload, 'open')
115 self.mock_open = self._mock_open.start()
116 self._mock_ssh = mock.patch.object(ssh, 'SSH')
117 self.mock_ssh = self._mock_ssh.start()
118 ssh_obj_mock = mock.Mock(autospec=ssh.SSH)
119 ssh_obj_mock.execute = mock.Mock(return_value=(0, '', ''))
120 ssh_obj_mock.run = mock.Mock(return_value=(0, '', ''))
121 self.mock_ssh.from_node.return_value = ssh_obj_mock
122 self.addCleanup(self._stop_mock)
124 def _stop_mock(self):
125 self._mock_call.stop()
126 self._mock_open.stop()
127 self._mock_ssh.stop()
129 def test___init__(self):
130 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
131 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
132 self.assertIsNone(ixload_traffic_gen.resource_helper.data)
134 def test_update_gateways(self):
135 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
136 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
137 links = {'uplink_0': {'ip': {}},
138 'downlink_1': {'ip': {}}}
140 ixload_traffic_gen.update_gateways(links)
142 self.assertEqual("152.16.100.20", links["uplink_0"]["ip"]["gateway"])
143 self.assertEqual("0.0.0.0", links["downlink_1"]["ip"]["gateway"])
145 @mock.patch.object(ctx_base.Context, 'get_physical_node_from_server',
146 return_value='mock_node')
147 def test_collect_kpi(self, *args):
148 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
149 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
150 ixload_traffic_gen.scenario_helper.scenario_cfg = {
151 'nodes': {ixload_traffic_gen.name: "mock"}
153 ixload_traffic_gen.data = {}
154 result = ixload_traffic_gen.collect_kpi()
157 'physical_node': 'mock_node',
159 self.assertEqual(expected, result)
161 def test_listen_traffic(self):
162 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
163 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
164 self.assertIsNone(ixload_traffic_gen.listen_traffic({}))
166 @mock.patch.object(utils, 'find_relative_file')
167 @mock.patch.object(utils, 'makedirs')
168 @mock.patch.object(ctx_base.Context, 'get_context_from_server')
169 @mock.patch.object(tg_ixload, 'shutil')
170 def test_instantiate(self, mock_shutil, *args):
171 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
172 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
173 scenario_cfg = {'tc': "nsb_test_case",
174 'ixia_profile': "ixload.cfg",
175 'task_path': "/path/to/task"}
176 ixload_traffic_gen.RESULTS_MOUNT = "/tmp/result"
177 mock_shutil.copy = mock.Mock()
180 {'packetsize': 64, 'traffic_type': 4,
181 'rfc2544': {'allowed_drop_rate': '0.8 - 1'},
182 'vnf__1': {'rules': 'acl_1rule.yaml',
183 'vnf_config': {'lb_config': 'SW',
187 'worker_threads': 1}}
191 scenario_cfg.update({'nodes': {ixload_traffic_gen.name: "mock"}})
192 with mock.patch.object(six.moves.builtins, 'open',
193 create=True) as mock_open:
194 mock_open.return_value = mock.MagicMock()
195 ixload_traffic_gen.instantiate(scenario_cfg, {})
197 @mock.patch.object(tg_ixload, 'open')
198 @mock.patch.object(tg_ixload, 'min')
199 @mock.patch.object(tg_ixload, 'max')
200 @mock.patch.object(tg_ixload, 'len')
201 @mock.patch.object(tg_ixload, 'shutil')
202 def test_run_traffic(self, *args):
203 mock_traffic_profile = mock.Mock(autospec=tp_base.TrafficProfile)
204 mock_traffic_profile.get_traffic_definition.return_value = '64'
205 mock_traffic_profile.get_links_param.return_value = {
206 'uplink_0': {'ip': {}}}
207 mock_traffic_profile.params = self.TRAFFIC_PROFILE
208 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
209 vnfd['mgmt-interface'].update({'tg-config': {}})
210 vnfd['mgmt-interface']['tg-config'].update({'ixchassis': '1.1.1.1'})
211 vnfd['mgmt-interface']['tg-config'].update({'py_bin_path': '/root'})
212 sut = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
213 sut.connection = mock.Mock()
214 sut._traffic_runner = mock.Mock(return_value=0)
215 result = sut.run_traffic(mock_traffic_profile)
216 self.assertIsNone(result)
218 @mock.patch.object(tg_ixload, 'open')
219 @mock.patch.object(tg_ixload, 'min')
220 @mock.patch.object(tg_ixload, 'max')
221 @mock.patch.object(tg_ixload, 'len')
222 @mock.patch.object(tg_ixload, 'shutil')
223 def test_run_traffic_csv(self, *args):
224 mock_traffic_profile = mock.Mock(autospec=tp_base.TrafficProfile)
225 mock_traffic_profile.get_traffic_definition.return_value = '64'
226 mock_traffic_profile.get_links_param.return_value = {
227 'uplink_0': {'ip': {}}}
228 mock_traffic_profile.params = self.TRAFFIC_PROFILE
229 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
230 vnfd['mgmt-interface'].update({'tg-config': {}})
231 vnfd['mgmt-interface']['tg-config'].update({'ixchassis': '1.1.1.1'})
232 vnfd['mgmt-interface']['tg-config'].update({'py_bin_path': '/root'})
233 sut = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
234 sut.connection = mock.Mock()
235 sut._traffic_runner = mock.Mock(return_value=0)
236 subprocess.call(['touch', '/tmp/1.csv'])
237 sut.rel_bin_path = mock.Mock(return_value='/tmp/*.csv')
238 result = sut.run_traffic(mock_traffic_profile)
239 self.assertIsNone(result)
241 def test_terminate(self):
242 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
243 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
244 self.assertIsNone(ixload_traffic_gen.terminate())
246 def test_parse_csv_read(self):
247 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
249 'HTTP Total Throughput (Kbps)': 1,
250 'HTTP Simulated Users': 2,
251 'HTTP Concurrent Connections': '3',
252 'HTTP Connection Rate': 4.3,
253 'HTTP Transaction Rate': True,
255 http_reader = [kpi_data]
256 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
257 result = ixload_traffic_gen.resource_helper.result
258 ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)
259 for k_left, k_right in tg_ixload.IxLoadResourceHelper.KPI_LIST.items():
260 self.assertEqual(result[k_left][-1], int(kpi_data[k_right]))
262 def test_parse_csv_read_value_error(self):
263 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
265 'HTTP Total Throughput (Kbps)': 1,
266 'HTTP Simulated Users': 2,
267 'HTTP Concurrent Connections': "not a number",
268 'HTTP Connection Rate': 4,
269 'HTTP Transaction Rate': 5,
271 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
272 init_value = ixload_traffic_gen.resource_helper.result
273 ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)
274 self.assertDictEqual(ixload_traffic_gen.resource_helper.result,
277 def test_parse_csv_read_error(self,):
278 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
280 'HTTP Total Throughput (Kbps)': 1,
281 'HTTP Simulated Users': 2,
282 'HTTP Concurrent Connections': 3,
283 'HTTP Transaction Rate': 5,
285 ixload_traffic_gen = tg_ixload.IxLoadTrafficGen(NAME, vnfd)
286 with self.assertRaises(KeyError):
287 ixload_traffic_gen.resource_helper.parse_csv_read(http_reader)