3 # Copyright (c) 2016-2017 Intel Corporation
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
18 from copy import deepcopy
23 from tests.unit import STL_MOCKS
24 from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
27 STLClient = mock.MagicMock()
28 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
32 from yardstick.network_services.vnf_generic.vnf.cgnapt_vnf import CgnaptApproxVnf, \
33 CgnaptApproxSetupEnvHelper
34 from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf
35 from yardstick.network_services.nfvi.resource import ResourceProfile
37 TEST_FILE_YAML = 'nsb_test_case.yaml'
38 SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
44 class TestCgnaptApproxSetupEnvHelper(unittest.TestCase):
46 def test__generate_ip_from_pool(self):
48 ip = CgnaptApproxSetupEnvHelper._generate_ip_from_pool("1.2.3.4")
49 self.assertEqual(next(ip), '1.2.3.4')
50 self.assertEqual(next(ip), '1.2.4.4')
51 self.assertEqual(next(ip), '1.2.5.4')
53 def test__update_cgnat_script_file(self):
56 # See the License for the specific language governing permissions and
57 # limitations under the License.
60 link 0 config {port0_local_ip} {port0_prefixlen}
63 link 1 config {port1_local_ip} {port1_prefixlen}
66 header = "This is a header"
68 out = CgnaptApproxSetupEnvHelper._update_cgnat_script_file(header, sample.splitlines())
69 self.assertNotIn("This is a header", out)
71 def test__get_cgnapt_config(self):
72 vnfd_helper = mock.MagicMock()
73 vnfd_helper.port_pairs.uplink_ports = [{"name": 'a'}, {"name": "b"}, {"name": "c"}]
75 helper = CgnaptApproxSetupEnvHelper(vnfd_helper, mock.Mock(), mock.Mock())
76 result = helper._get_cgnapt_config()
77 self.assertIsNotNone(result)
80 helper = CgnaptApproxSetupEnvHelper(mock.Mock(), mock.Mock(), mock.Mock())
81 with self.assertRaises(NotImplementedError):
85 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process")
86 class TestCgnaptApproxVnf(unittest.TestCase):
87 VNFD = {'vnfd:vnfd-catalog':
89 [{'short-name': 'VpeVnf',
92 [{'network': '152.16.100.20',
93 'netmask': '255.255.255.0',
94 'gateway': '152.16.100.20',
96 {'network': '152.16.40.20',
97 'netmask': '255.255.255.0',
98 'gateway': '152.16.40.20',
100 'description': 'VPE approximation using DPDK',
101 'name': 'vpevnf-baremetal',
103 [{'network': '0064:ff9b:0:0:0:0:9810:6414',
105 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
107 {'network': '0064:ff9b:0:0:0:0:9810:2814',
109 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
111 'id': 'vpevnf-baremetal',
112 'external-interface':
113 [{'virtual-interface':
114 {'dst_mac': '00:00:00:00:00:04',
115 'vpci': '0000:05:00.0',
116 'local_ip': '152.16.100.19',
117 'type': 'PCI-PASSTHROUGH',
118 'netmask': '255.255.255.0',
120 'bandwidth': '10 Gbps',
122 'dst_ip': '152.16.100.20',
123 'local_iface_name': 'xe0',
124 'local_mac': '00:00:00:00:00:02'},
125 'vnfd-connection-point-ref': 'xe0',
127 {'virtual-interface':
128 {'dst_mac': '00:00:00:00:00:03',
129 'vpci': '0000:05:00.1',
130 'local_ip': '152.16.40.19',
131 'type': 'PCI-PASSTHROUGH',
133 'netmask': '255.255.255.0',
135 'bandwidth': '10 Gbps',
136 'dst_ip': '152.16.40.20',
137 'local_iface_name': 'xe1',
138 'local_mac': '00:00:00:00:00:01'},
139 'vnfd-connection-point-ref': 'xe1',
141 'description': 'Vpe approximation using DPDK',
143 {'vdu-id': 'vpevnf-baremetal',
149 {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
150 'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
151 {'type': 'VPORT', 'name': 'xe1'}],
152 'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}}
159 'allowed_drop_rate': '0.8 - 1',
172 'dst_ip': [{'tg__1': 'xe0'}],
174 'src_ip': [{'tg__0': 'xe0'}]},
176 'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
178 'tc': 'tc_ipv4_1Mflow_64B_packetsize',
180 'object': 'NetworkServiceTestCase',
182 'output_filename': '/tmp/yardstick.out',
187 'traffic_profile': 'ipv4_throughput_acl.yaml',
190 'tg__1': 'trafficgen_1.yardstick',
191 'tg__0': 'trafficgen_0.yardstick',
192 'vnf__0': 'vnf.yardstick',
194 'topology': 'vpe-tg-topology-baremetal.yaml',
197 context_cfg = {'nodes': {'tg__2':
198 {'member-vnf-index': '3',
199 'role': 'TrafficGen',
200 'name': 'trafficgen_2.yardstick',
201 'vnfd-id-ref': 'tg__2',
204 {'xe0': {'local_iface_name': 'ens513f0',
205 'vld_id': CgnaptApproxVnf.DOWNLINK,
206 'netmask': '255.255.255.0',
207 'local_ip': '152.16.40.20',
208 'dst_mac': '00:00:00:00:00:01',
209 'local_mac': '00:00:00:00:00:03',
210 'dst_ip': '152.16.40.19',
212 'vpci': '0000:02:00.0',
214 'xe1': {'local_iface_name': 'ens513f1',
215 'netmask': '255.255.255.0',
216 'network': '202.16.100.0',
217 'local_ip': '202.16.100.20',
218 'local_mac': '00:1e:67:d0:60:5d',
220 'vpci': '0000:02:00.1',
221 'dpdk_port_num': 1}},
223 'VNF model': 'l3fwd_vnf.yaml',
226 {'member-vnf-index': '1',
227 'role': 'TrafficGen',
228 'name': 'trafficgen_1.yardstick',
229 'vnfd-id-ref': 'tg__1',
232 {'xe0': {'local_iface_name': 'ens785f0',
233 'vld_id': CgnaptApproxVnf.UPLINK,
234 'netmask': '255.255.255.0',
235 'local_ip': '152.16.100.20',
236 'dst_mac': '00:00:00:00:00:02',
237 'local_mac': '00:00:00:00:00:04',
238 'dst_ip': '152.16.100.19',
240 'vpci': '0000:05:00.0',
242 'xe1': {'local_iface_name': 'ens785f1',
243 'netmask': '255.255.255.0',
244 'local_ip': '152.16.100.21',
245 'local_mac': '00:00:00:00:00:01',
247 'vpci': '0000:05:00.1',
248 'dpdk_port_num': 1}},
250 'VNF model': 'tg_rfc2544_tpl.yaml',
253 {'name': 'vnf.yardstick',
254 'vnfd-id-ref': 'vnf__0',
257 {'xe0': {'local_iface_name': 'ens786f0',
258 'vld_id': CgnaptApproxVnf.UPLINK,
259 'netmask': '255.255.255.0',
260 'local_ip': '152.16.100.19',
261 'dst_mac': '00:00:00:00:00:04',
262 'local_mac': '00:00:00:00:00:02',
263 'dst_ip': '152.16.100.20',
265 'vpci': '0000:05:00.0',
267 'xe1': {'local_iface_name': 'ens786f1',
268 'vld_id': CgnaptApproxVnf.DOWNLINK,
269 'netmask': '255.255.255.0',
270 'local_ip': '152.16.40.19',
271 'dst_mac': '00:00:00:00:00:03',
272 'local_mac': '00:00:00:00:00:01',
273 'dst_ip': '152.16.40.20',
275 'vpci': '0000:05:00.1',
276 'dpdk_port_num': 1}},
278 [{'netmask': '255.255.255.0',
279 'gateway': '152.16.100.20',
280 'network': '152.16.100.20',
282 {'netmask': '255.255.255.0',
283 'gateway': '152.16.40.20',
284 'network': '152.16.40.20',
286 'member-vnf-index': '2',
292 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
293 'network': '0064:ff9b:0:0:0:0:9810:6414',
296 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
297 'network': '0064:ff9b:0:0:0:0:9810:2814',
300 'VNF model': 'cgnapt_vnf.yaml'}}}
303 self.scenario_cfg = deepcopy(self.SCENARIO_CFG)
305 def test___init__(self, *args):
306 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
307 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
308 self.assertIsNone(cgnapt_approx_vnf._vnf_process)
310 @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
311 @mock.patch(SSH_HELPER)
312 def test_collect_kpi(self, ssh, *args):
315 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
316 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
317 cgnapt_approx_vnf._vnf_process = mock.MagicMock(
318 **{"is_alive.return_value": True, "exitcode": None})
319 cgnapt_approx_vnf.q_in = mock.MagicMock()
320 cgnapt_approx_vnf.q_out = mock.MagicMock()
321 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
322 cgnapt_approx_vnf.resource = mock.Mock(autospec=ResourceProfile)
323 result = {'packets_dropped': 0, 'packets_fwd': 0, 'packets_in': 0}
324 self.assertEqual(result, cgnapt_approx_vnf.collect_kpi())
326 @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
327 @mock.patch(SSH_HELPER)
328 def test_vnf_execute_command(self, ssh, *args):
331 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
332 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
333 cgnapt_approx_vnf.q_in = mock.MagicMock()
334 cgnapt_approx_vnf.q_out = mock.MagicMock()
335 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
337 self.assertEqual("", cgnapt_approx_vnf.vnf_execute(cmd))
339 @mock.patch(SSH_HELPER)
340 def test_get_stats(self, ssh, *args):
343 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
344 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
345 cgnapt_approx_vnf.q_in = mock.MagicMock()
346 cgnapt_approx_vnf.q_out = mock.MagicMock()
347 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
349 "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress"
350 cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=result)
351 self.assertListEqual(list(result), list(cgnapt_approx_vnf.get_stats()))
353 def _get_file_abspath(self, filename):
354 curr_path = os.path.dirname(os.path.abspath(__file__))
355 file_path = os.path.join(curr_path, filename)
358 @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.hex")
359 @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.eval")
360 @mock.patch('yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.open')
361 @mock.patch(SSH_HELPER)
362 def test_run_vcgnapt(self, ssh, *args):
365 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
366 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
367 cgnapt_approx_vnf._build_config = mock.MagicMock()
368 cgnapt_approx_vnf.queue_wrapper = mock.MagicMock()
369 cgnapt_approx_vnf.ssh_helper = mock.MagicMock()
370 cgnapt_approx_vnf.ssh_helper.run = mock.MagicMock()
371 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
372 cgnapt_approx_vnf._run()
373 cgnapt_approx_vnf.ssh_helper.run.assert_called_once()
375 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context")
376 @mock.patch(SSH_HELPER)
377 def test_instantiate(self, ssh, *args):
380 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
381 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
382 cgnapt_approx_vnf.deploy_helper = mock.MagicMock()
383 cgnapt_approx_vnf.resource_helper = mock.MagicMock()
384 cgnapt_approx_vnf._build_config = mock.MagicMock()
385 self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
387 cgnapt_approx_vnf.q_out.put("pipeline>")
388 cgnapt_vnf.WAIT_TIME = 3
389 self.scenario_cfg.update({"nodes": {"vnf__0": ""}})
390 self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg,
393 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
394 @mock.patch(SSH_HELPER)
395 def test_terminate(self, ssh, *args):
398 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
399 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
400 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
401 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
402 cgnapt_approx_vnf.used_drivers = {"01:01.0": "i40e",
404 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
405 cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py"
406 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
407 self.assertEqual(None, cgnapt_approx_vnf.terminate())
409 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
410 @mock.patch(SSH_HELPER)
411 def test__vnf_up_post(self, ssh, *args):
414 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
415 self.scenario_cfg['options'][name]['napt'] = 'static'
417 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
418 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
419 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
420 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
421 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
422 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
423 cgnapt_approx_vnf._vnf_up_post()
425 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
426 @mock.patch(SSH_HELPER)
427 def test__vnf_up_post_short(self, ssh, *args):
430 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
431 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
432 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
433 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
434 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
435 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
436 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
437 cgnapt_approx_vnf._vnf_up_post()