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 __future__ import absolute_import
24 from copy import deepcopy
26 from tests.unit import STL_MOCKS
27 from tests.unit.network_services.vnf_generic.vnf.test_base import mock_ssh
30 STLClient = mock.MagicMock()
31 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
35 from yardstick.network_services.vnf_generic.vnf.cgnapt_vnf import CgnaptApproxVnf, \
36 CgnaptApproxSetupEnvHelper
37 from yardstick.network_services.vnf_generic.vnf import cgnapt_vnf
38 from yardstick.network_services.nfvi.resource import ResourceProfile
40 TEST_FILE_YAML = 'nsb_test_case.yaml'
41 SSH_HELPER = 'yardstick.network_services.vnf_generic.vnf.sample_vnf.VnfSshHelper'
47 class TestCgnaptApproxSetupEnvHelper(unittest.TestCase):
49 def test__generate_ip_from_pool(self):
51 ip = CgnaptApproxSetupEnvHelper._generate_ip_from_pool("1.2.3.4")
52 self.assertEqual(next(ip), '1.2.3.4')
53 self.assertEqual(next(ip), '1.2.4.4')
54 self.assertEqual(next(ip), '1.2.5.4')
56 def test__update_cgnat_script_file(self):
59 # See the License for the specific language governing permissions and
60 # limitations under the License.
63 link 0 config {port0_local_ip} {port0_prefixlen}
66 link 1 config {port1_local_ip} {port1_prefixlen}
69 header = "This is a header"
71 out = CgnaptApproxSetupEnvHelper._update_cgnat_script_file(header, sample.splitlines())
72 self.assertNotIn("This is a header", out)
74 def test__get_cgnapt_config(self):
75 vnfd_helper = mock.Mock()
76 vnfd_helper.port_pairs.uplink_ports = [{"name": 'a'}, {"name": "b"}, {"name": "c"}]
78 helper = CgnaptApproxSetupEnvHelper(vnfd_helper, mock.Mock(), mock.Mock())
79 helper._get_ports_gateway = mock.Mock(side_effect=[3, 5, 2])
80 result = helper._get_cgnapt_config([{"name": 'a'}, {}, {"name": "b"}, {}, {"name": "c"}])
81 self.assertEqual(result, [3, 5, 2])
84 helper = CgnaptApproxSetupEnvHelper(mock.Mock(), mock.Mock(), mock.Mock())
85 with self.assertRaises(NotImplementedError):
89 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process")
90 class TestCgnaptApproxVnf(unittest.TestCase):
91 VNFD = {'vnfd:vnfd-catalog':
93 [{'short-name': 'VpeVnf',
96 [{'network': '152.16.100.20',
97 'netmask': '255.255.255.0',
98 'gateway': '152.16.100.20',
100 {'network': '152.16.40.20',
101 'netmask': '255.255.255.0',
102 'gateway': '152.16.40.20',
104 'description': 'VPE approximation using DPDK',
105 'name': 'vpevnf-baremetal',
107 [{'network': '0064:ff9b:0:0:0:0:9810:6414',
109 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
111 {'network': '0064:ff9b:0:0:0:0:9810:2814',
113 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
115 'id': 'vpevnf-baremetal',
116 'external-interface':
117 [{'virtual-interface':
118 {'dst_mac': '00:00:00:00:00:04',
119 'vpci': '0000:05:00.0',
120 'local_ip': '152.16.100.19',
121 'type': 'PCI-PASSTHROUGH',
122 'netmask': '255.255.255.0',
124 'bandwidth': '10 Gbps',
126 'dst_ip': '152.16.100.20',
127 'local_iface_name': 'xe0',
128 'local_mac': '00:00:00:00:00:02'},
129 'vnfd-connection-point-ref': 'xe0',
131 {'virtual-interface':
132 {'dst_mac': '00:00:00:00:00:03',
133 'vpci': '0000:05:00.1',
134 'local_ip': '152.16.40.19',
135 'type': 'PCI-PASSTHROUGH',
137 'netmask': '255.255.255.0',
139 'bandwidth': '10 Gbps',
140 'dst_ip': '152.16.40.20',
141 'local_iface_name': 'xe1',
142 'local_mac': '00:00:00:00:00:01'},
143 'vnfd-connection-point-ref': 'xe1',
145 'description': 'Vpe approximation using DPDK',
147 {'vdu-id': 'vpevnf-baremetal',
153 {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
154 'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
155 {'type': 'VPORT', 'name': 'xe1'}],
156 'id': 'CgnaptApproxVnf', 'name': 'VPEVnfSsh'}]}}
163 'allowed_drop_rate': '0.8 - 1',
176 'dst_ip': [{'tg__1': 'xe0'}],
178 'src_ip': [{'tg__0': 'xe0'}]},
180 'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
182 'tc': 'tc_ipv4_1Mflow_64B_packetsize',
184 'object': 'NetworkServiceTestCase',
186 'output_filename': '/tmp/yardstick.out',
191 'traffic_profile': 'ipv4_throughput_acl.yaml',
194 'tg__1': 'trafficgen_1.yardstick',
195 'tg__0': 'trafficgen_0.yardstick',
196 'vnf__0': 'vnf.yardstick',
198 'topology': 'vpe-tg-topology-baremetal.yaml',
201 context_cfg = {'nodes': {'tg__2':
202 {'member-vnf-index': '3',
203 'role': 'TrafficGen',
204 'name': 'trafficgen_2.yardstick',
205 'vnfd-id-ref': 'tg__2',
208 {'xe0': {'local_iface_name': 'ens513f0',
209 'vld_id': CgnaptApproxVnf.DOWNLINK,
210 'netmask': '255.255.255.0',
211 'local_ip': '152.16.40.20',
212 'dst_mac': '00:00:00:00:00:01',
213 'local_mac': '00:00:00:00:00:03',
214 'dst_ip': '152.16.40.19',
216 'vpci': '0000:02:00.0',
218 'xe1': {'local_iface_name': 'ens513f1',
219 'netmask': '255.255.255.0',
220 'network': '202.16.100.0',
221 'local_ip': '202.16.100.20',
222 'local_mac': '00:1e:67:d0:60:5d',
224 'vpci': '0000:02:00.1',
225 'dpdk_port_num': 1}},
227 'VNF model': 'l3fwd_vnf.yaml',
230 {'member-vnf-index': '1',
231 'role': 'TrafficGen',
232 'name': 'trafficgen_1.yardstick',
233 'vnfd-id-ref': 'tg__1',
236 {'xe0': {'local_iface_name': 'ens785f0',
237 'vld_id': CgnaptApproxVnf.UPLINK,
238 'netmask': '255.255.255.0',
239 'local_ip': '152.16.100.20',
240 'dst_mac': '00:00:00:00:00:02',
241 'local_mac': '00:00:00:00:00:04',
242 'dst_ip': '152.16.100.19',
244 'vpci': '0000:05:00.0',
246 'xe1': {'local_iface_name': 'ens785f1',
247 'netmask': '255.255.255.0',
248 'local_ip': '152.16.100.21',
249 'local_mac': '00:00:00:00:00:01',
251 'vpci': '0000:05:00.1',
252 'dpdk_port_num': 1}},
254 'VNF model': 'tg_rfc2544_tpl.yaml',
257 {'name': 'vnf.yardstick',
258 'vnfd-id-ref': 'vnf__0',
261 {'xe0': {'local_iface_name': 'ens786f0',
262 'vld_id': CgnaptApproxVnf.UPLINK,
263 'netmask': '255.255.255.0',
264 'local_ip': '152.16.100.19',
265 'dst_mac': '00:00:00:00:00:04',
266 'local_mac': '00:00:00:00:00:02',
267 'dst_ip': '152.16.100.20',
269 'vpci': '0000:05:00.0',
271 'xe1': {'local_iface_name': 'ens786f1',
272 'vld_id': CgnaptApproxVnf.DOWNLINK,
273 'netmask': '255.255.255.0',
274 'local_ip': '152.16.40.19',
275 'dst_mac': '00:00:00:00:00:03',
276 'local_mac': '00:00:00:00:00:01',
277 'dst_ip': '152.16.40.20',
279 'vpci': '0000:05:00.1',
280 'dpdk_port_num': 1}},
282 [{'netmask': '255.255.255.0',
283 'gateway': '152.16.100.20',
284 'network': '152.16.100.20',
286 {'netmask': '255.255.255.0',
287 'gateway': '152.16.40.20',
288 'network': '152.16.40.20',
290 'member-vnf-index': '2',
296 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
297 'network': '0064:ff9b:0:0:0:0:9810:6414',
300 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
301 'network': '0064:ff9b:0:0:0:0:9810:2814',
304 'VNF model': 'cgnapt_vnf.yaml'}}}
307 self.scenario_cfg = deepcopy(self.SCENARIO_CFG)
309 def test___init__(self, mock_process):
310 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
311 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
312 self.assertIsNone(cgnapt_approx_vnf._vnf_process)
314 @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
315 @mock.patch(SSH_HELPER)
316 def test_collect_kpi(self, ssh, mock_time, mock_process):
319 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
320 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
321 cgnapt_approx_vnf._vnf_process = mock.MagicMock(
322 **{"is_alive.return_value": True, "exitcode": None})
323 cgnapt_approx_vnf.q_in = mock.MagicMock()
324 cgnapt_approx_vnf.q_out = mock.MagicMock()
325 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
326 cgnapt_approx_vnf.resource = mock.Mock(autospec=ResourceProfile)
327 result = {'packets_dropped': 0, 'packets_fwd': 0, 'packets_in': 0}
328 self.assertEqual(result, cgnapt_approx_vnf.collect_kpi())
330 @mock.patch('yardstick.network_services.vnf_generic.vnf.sample_vnf.time')
331 @mock.patch(SSH_HELPER)
332 def test_vnf_execute_command(self, ssh, mock_time, mock_process):
335 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
336 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
337 cgnapt_approx_vnf.q_in = mock.MagicMock()
338 cgnapt_approx_vnf.q_out = mock.MagicMock()
339 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
341 self.assertEqual("", cgnapt_approx_vnf.vnf_execute(cmd))
343 @mock.patch(SSH_HELPER)
344 def test_get_stats(self, ssh, mock_process):
347 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
348 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
349 cgnapt_approx_vnf.q_in = mock.MagicMock()
350 cgnapt_approx_vnf.q_out = mock.MagicMock()
351 cgnapt_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
353 "CG-NAPT(.*\n)*Received 100, Missed 0, Dropped 0,Translated 100,ingress"
354 cgnapt_approx_vnf.vnf_execute = mock.Mock(return_value=result)
355 self.assertListEqual(list(result), list(cgnapt_approx_vnf.get_stats()))
357 def _get_file_abspath(self, filename):
358 curr_path = os.path.dirname(os.path.abspath(__file__))
359 file_path = os.path.join(curr_path, filename)
362 @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.hex")
363 @mock.patch("yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.eval")
364 @mock.patch('yardstick.network_services.vnf_generic.vnf.cgnapt_vnf.open')
365 @mock.patch(SSH_HELPER)
366 def test_run_vcgnapt(self, ssh, mock_hex, mock_eval, mock_open, mock_process):
369 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
370 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
371 cgnapt_approx_vnf._build_config = mock.MagicMock()
372 cgnapt_approx_vnf.queue_wrapper = mock.MagicMock()
373 cgnapt_approx_vnf.ssh_helper = mock.MagicMock()
374 cgnapt_approx_vnf.ssh_helper.run = mock.MagicMock()
375 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
376 cgnapt_approx_vnf._run()
377 cgnapt_approx_vnf.ssh_helper.run.assert_called_once()
379 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context")
380 @mock.patch(SSH_HELPER)
381 def test_instantiate(self, ssh, mock_context, mock_process):
384 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
385 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
386 cgnapt_approx_vnf.deploy_helper = mock.MagicMock()
387 cgnapt_approx_vnf.resource_helper = mock.MagicMock()
388 cgnapt_approx_vnf._build_config = mock.MagicMock()
389 self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
391 cgnapt_approx_vnf.q_out.put("pipeline>")
392 cgnapt_vnf.WAIT_TIME = 3
393 self.scenario_cfg.update({"nodes": {"vnf__0": ""}})
394 self.assertIsNone(cgnapt_approx_vnf.instantiate(self.scenario_cfg,
397 def test_scale(self, mock_process):
398 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
399 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
401 self.assertRaises(NotImplementedError, cgnapt_approx_vnf.scale, flavor)
403 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
404 @mock.patch(SSH_HELPER)
405 def test_terminate(self, ssh, mock_time, mock_process):
408 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
409 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
410 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
411 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
412 cgnapt_approx_vnf.used_drivers = {"01:01.0": "i40e",
414 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
415 cgnapt_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py"
416 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
417 self.assertEqual(None, cgnapt_approx_vnf.terminate())
419 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
420 @mock.patch(SSH_HELPER)
421 def test__vnf_up_post(self, ssh, mock_time, mock_process):
424 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
425 self.scenario_cfg['options'][name]['napt'] = 'static'
427 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
428 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
429 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
430 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
431 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
432 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
433 cgnapt_approx_vnf._vnf_up_post()
435 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
436 @mock.patch(SSH_HELPER)
437 def test__vnf_up_post_short(self, ssh, mock_time, mock_process):
440 vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
441 cgnapt_approx_vnf = CgnaptApproxVnf(name, vnfd)
442 cgnapt_approx_vnf._vnf_process = mock.MagicMock()
443 cgnapt_approx_vnf._vnf_process.terminate = mock.Mock()
444 cgnapt_approx_vnf.vnf_execute = mock.MagicMock()
445 cgnapt_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
446 cgnapt_approx_vnf._resource_collect_stop = mock.Mock()
447 cgnapt_approx_vnf._vnf_up_post()
450 if __name__ == '__main__':