2 # Copyright 2016 Cisco Systems, Inc. All rights reserved.
4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
5 # not use this file except in compliance with the License. You may obtain
6 # a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 # License for the specific language governing permissions and limitations
16 """Test Chaining functions."""
18 from mock_trex import no_op
20 from mock import MagicMock
21 from mock import patch
23 from nfvbench.chain_runner import ChainRunner
24 from nfvbench.compute import Compute
25 import nfvbench.credentials
26 from nfvbench.factory import BasicFactory
28 from nfvbench.nfvbench import load_default_config
29 from nfvbench.nfvbench import NFVBench
30 from nfvbench.packet_stats import InterfaceStats
31 from nfvbench.specs import ChainType
32 from nfvbench.specs import OpenStackSpec
33 from nfvbench.specs import Specs
34 from nfvbench.summarizer import _annotate_chain_stats
35 from nfvbench.traffic_client import TrafficClient
36 from nfvbench.traffic_gen.traffic_base import Latency
37 from nfvbench.traffic_gen.trex import TRex
39 # just to get rid of the unused function warning
43 def setup_module(module):
45 nfvbench.log.setup(mute_stdout=False)
46 nfvbench.log.set_level(debug=True)
48 def _get_chain_config(sc=ChainType.PVP, scc=1, shared_net=True):
49 config, _ = load_default_config()
50 config.vm_image_file = 'nfvbenchvm-0.0.qcow2'
51 config.service_chain_count = scc
52 config.service_chain = sc
53 config.service_chain_shared_net = shared_net
55 config['traffic_generator']['generator_profile'] = [{'name': 'dummy',
59 'interfaces': [{'port': 0, 'pci': '0.0'},
60 {'port': 1, 'pci': '0.0'}]}]
61 config.ndr_run = False
62 config.pdr_run = False
63 config.single_run = True
64 config.generator_profile = 'dummy'
65 config.duration_sec = 2
66 config.interval_sec = 1
67 config.openrc_file = "dummy.rc"
70 def test_chain_runner_ext_no_openstack():
71 """Test ChainRunner EXT no openstack."""
72 config = _get_chain_config(sc=ChainType.EXT)
74 config.vlans = [100, 200]
75 config['traffic_generator']['mac_addrs_left'] = ['00:00:00:00:00:00']
76 config['traffic_generator']['mac_addrs_right'] = ['00:00:00:00:01:00']
77 runner = ChainRunner(config, None, specs, BasicFactory())
80 def _mock_get_enabled_az_host_list(self, required_count=1):
81 return ['nova:c1', 'nova:c2']
83 def _mock_find_image(self, image_name):
86 @patch.object(Compute, 'get_enabled_az_host_list', _mock_get_enabled_az_host_list)
87 @patch.object(Compute, 'find_image', _mock_find_image)
88 @patch('nfvbench.chaining.Client')
89 @patch('nfvbench.chaining.neutronclient')
90 @patch('nfvbench.chaining.glanceclient')
91 def _test_pvp_chain(config, cred, mock_glance, mock_neutron, mock_client):
92 # instance = self.novaclient.servers.create(name=vmname,...)
93 # instance.status == 'ACTIVE'
94 mock_client.return_value.servers.create.return_value.status = 'ACTIVE'
95 netw = {'id': 0, 'provider:network_type': 'vlan', 'provider:segmentation_id': 1000}
96 mock_neutron.Client.return_value.create_network.return_value = {'network': netw}
97 mock_neutron.Client.return_value.list_networks.return_value = {'networks': None}
99 openstack_spec = OpenStackSpec()
100 specs.set_openstack_spec(openstack_spec)
101 cred = MagicMock(spec=nfvbench.credentials.Credentials)
102 runner = ChainRunner(config, cred, specs, BasicFactory())
105 def test_pvp_chain_runner():
106 """Test PVP chain runner."""
107 cred = MagicMock(spec=nfvbench.credentials.Credentials)
108 for shared_net in [True, False]:
109 for sc in [ChainType.PVP]:
111 config = _get_chain_config(sc, scc, shared_net)
112 _test_pvp_chain(config, cred)
114 @patch.object(Compute, 'get_enabled_az_host_list', _mock_get_enabled_az_host_list)
115 @patch.object(Compute, 'find_image', _mock_find_image)
116 @patch('nfvbench.chaining.Client')
117 @patch('nfvbench.chaining.neutronclient')
118 @patch('nfvbench.chaining.glanceclient')
119 def _test_ext_chain(config, cred, mock_glance, mock_neutron, mock_client):
120 # instance = self.novaclient.servers.create(name=vmname,...)
121 # instance.status == 'ACTIVE'
122 mock_client.return_value.servers.create.return_value.status = 'ACTIVE'
123 netw = {'id': 0, 'provider:network_type': 'vlan', 'provider:segmentation_id': 1000}
124 mock_neutron.Client.return_value.list_networks.return_value = {'networks': [netw]}
126 openstack_spec = OpenStackSpec()
127 specs.set_openstack_spec(openstack_spec)
128 cred = MagicMock(spec=nfvbench.credentials.Credentials)
129 runner = ChainRunner(config, cred, specs, BasicFactory())
132 def test_ext_chain_runner():
133 """Test openstack+EXT chain runner."""
134 cred = MagicMock(spec=nfvbench.credentials.Credentials)
135 for shared_net in [True, False]:
136 for no_arp in [False, True]:
138 config = _get_chain_config(ChainType.EXT, scc, shared_net)
139 config.no_arp = no_arp
141 # If EXT and no arp, the config must provide mac addresses (1 pair per chain)
142 config['traffic_generator']['mac_addrs_left'] = ['00:00:00:00:00:00'] * scc
143 config['traffic_generator']['mac_addrs_right'] = ['00:00:00:00:01:00'] * scc
144 _test_ext_chain(config, cred)
146 def _check_nfvbench_openstack(sc=ChainType.PVP, l2_loopback=False):
147 for scc in range(1, 3):
148 config = _get_chain_config(sc, scc=scc, shared_net=True)
150 config.l2_loopback = True
151 config.vlans = [[100], [200]]
152 factory = BasicFactory()
153 config_plugin = factory.get_config_plugin_class()(config)
154 config = config_plugin.get_config()
155 openstack_spec = config_plugin.get_openstack_spec()
156 nfvb = NFVBench(config, openstack_spec, config_plugin, factory)
157 res = nfvb.run({}, 'pytest')
158 if res['status'] != 'OK':
160 assert res['status'] == 'OK'
162 @patch.object(Compute, 'get_enabled_az_host_list', _mock_get_enabled_az_host_list)
163 @patch.object(Compute, 'find_image', _mock_find_image)
164 @patch.object(TrafficClient, 'skip_sleep', lambda x: True)
165 @patch('nfvbench.chaining.Client')
166 @patch('nfvbench.chaining.neutronclient')
167 @patch('nfvbench.chaining.glanceclient')
168 @patch('nfvbench.nfvbench.credentials')
169 def test_nfvbench_run(mock_cred, mock_glance, mock_neutron, mock_client):
170 """Test NFVbench class with openstack+PVP."""
171 # instance = self.novaclient.servers.create(name=vmname,...)
172 # instance.status == 'ACTIVE'
173 mock_client.return_value.servers.create.return_value.status = 'ACTIVE'
174 netw = {'id': 0, 'provider:network_type': 'vlan', 'provider:segmentation_id': 1000}
175 mock_neutron.Client.return_value.create_network.return_value = {'network': netw}
176 mock_neutron.Client.return_value.list_networks.return_value = {'networks': None}
177 _check_nfvbench_openstack()
179 @patch.object(Compute, 'get_enabled_az_host_list', _mock_get_enabled_az_host_list)
180 @patch.object(Compute, 'find_image', _mock_find_image)
181 @patch.object(TrafficClient, 'skip_sleep', lambda x: True)
182 @patch('nfvbench.chaining.Client')
183 @patch('nfvbench.chaining.neutronclient')
184 @patch('nfvbench.chaining.glanceclient')
185 @patch('nfvbench.nfvbench.credentials')
186 def test_nfvbench_ext_arp(mock_cred, mock_glance, mock_neutron, mock_client):
187 """Test NFVbench class with openstack+EXT+ARP."""
188 # instance = self.novaclient.servers.create(name=vmname,...)
189 # instance.status == 'ACTIVE'
190 mock_client.return_value.servers.create.return_value.status = 'ACTIVE'
191 netw = {'id': 0, 'provider:network_type': 'vlan', 'provider:segmentation_id': 1000}
192 mock_neutron.Client.return_value.list_networks.return_value = {'networks': [netw]}
193 _check_nfvbench_openstack(sc=ChainType.EXT)
195 @patch.object(Compute, 'get_enabled_az_host_list', _mock_get_enabled_az_host_list)
196 @patch.object(Compute, 'find_image', _mock_find_image)
197 @patch.object(TrafficClient, 'skip_sleep', lambda x: True)
198 @patch('nfvbench.chaining.Client')
199 @patch('nfvbench.chaining.neutronclient')
200 @patch('nfvbench.chaining.glanceclient')
201 @patch('nfvbench.nfvbench.credentials')
202 def test_nfvbench_l2_loopback(mock_cred, mock_glance, mock_neutron, mock_client):
203 """Test NFVbench class with l2-loopback."""
204 # instance = self.novaclient.servers.create(name=vmname,...)
205 # instance.status == 'ACTIVE'
206 mock_client.return_value.servers.create.return_value.status = 'ACTIVE'
207 _check_nfvbench_openstack(l2_loopback=True)
210 # This is a reduced version of flow stats coming from Trex
211 # with 2 chains and latency for a total of 8 packet groups
212 # Random numbers with random losses
232 # chain 0 port 0 normal stream
233 0: {'rx_pkts': {0: 0, 1: CH0_P1_RX, 'total': CH0_P1_RX},
234 'tx_pkts': {0: CH0_P0_TX, 1: 0, 'total': CH0_P0_TX}},
235 # chain 1 port 0 normal stream
236 1: {'rx_pkts': {0: 0, 1: CH1_P1_RX, 'total': CH1_P1_RX},
237 'tx_pkts': {0: CH1_P0_TX, 1: 0, 'total': CH1_P0_TX}},
238 # chain 0 port 1 normal stream
239 128: {'rx_pkts': {0: CH0_P0_RX, 1: 0, 'total': CH0_P0_RX},
240 'tx_pkts': {0: 0, 1: CH0_P1_TX, 'total': CH0_P1_TX}},
241 # chain 1 port 1 normal stream
242 129: {'rx_pkts': {0: CH1_P0_RX, 1: 0, 'total': CH1_P0_RX},
243 'tx_pkts': {0: 0, 1: CH1_P1_TX, 'total': CH1_P1_TX}},
244 # chain 0 port 0 latency stream
245 256: {'rx_pkts': {0: 0, 1: LCH0_P1_RX, 'total': LCH0_P1_RX},
246 'tx_pkts': {0: LCH0_P0_TX, 1: 0, 'total': LCH0_P0_TX}},
247 # chain 1 port 0 latency stream
248 257: {'rx_pkts': {0: 0, 1: LCH1_P1_RX, 'total': LCH1_P1_RX},
249 'tx_pkts': {0: LCH1_P0_TX, 1: 0, 'total': LCH1_P0_TX}},
250 # chain 0 port 1 latency stream
251 384: {'rx_pkts': {0: LCH0_P0_RX, 1: 0, 'total': LCH0_P0_RX},
252 'tx_pkts': {0: 0, 1: LCH0_P1_TX, 'total': LCH0_P1_TX}},
253 # chain 1 port 1 latency stream
254 385: {'rx_pkts': {0: LCH1_P0_RX, 1: 0, 'total': LCH1_P0_RX},
255 'tx_pkts': {0: 0, 1: LCH1_P1_TX, 'total': LCH1_P1_TX}}}}
257 def test_trex_streams_stats():
258 """Test TRex stats for chains 0 and 1."""
259 traffic_client = MagicMock()
260 trex = TRex(traffic_client)
261 if_stats = [InterfaceStats("p0", "dev0"), InterfaceStats("p1", "dev1")]
262 latencies = [Latency()] * 2
263 trex.get_stream_stats(TREX_STATS, if_stats, latencies, 0)
264 assert if_stats[0].tx == CH0_P0_TX + LCH0_P0_TX
265 assert if_stats[0].rx == CH0_P0_RX + LCH0_P0_RX
266 assert if_stats[1].tx == CH0_P1_TX + LCH0_P1_TX
267 assert if_stats[1].rx == CH0_P1_RX + LCH0_P1_RX
269 trex.get_stream_stats(TREX_STATS, if_stats, latencies, 1)
270 assert if_stats[0].tx == CH1_P0_TX + LCH1_P0_TX
271 assert if_stats[0].rx == CH1_P0_RX + LCH1_P0_RX
272 assert if_stats[1].tx == CH1_P1_TX + LCH1_P1_TX
273 assert if_stats[1].rx == CH1_P1_RX + LCH1_P1_RX
276 # without total, with total and only 2 col
277 CHAIN_STATS = [{0: {'packets': [2000054, 1999996, 1999996]}},
278 {0: {'packets': [2000054, 1999996, 1999996]},
279 1: {'packets': [2000054, 2000054, 2000054]},
280 'total': {'packets': [4000108, 4000050, 4000050]}},
281 {0: {'packets': [2000054, 2000054]}},
282 {0: {'packets': [2000054, 1999996]}},
283 # shared networks no drops, shared nets will have empty strings
284 {0: {'packets': [15000002, '', 15000002, 15000002, '', 15000002]},
285 1: {'packets': [15000002, '', 15000002, 15000002, '', 15000002]},
286 'total': {'packets': [30000004, 30000004, 30000004, 30000004, 30000004, 30000004]}},
287 {0: {'packets': [15000002, '', 14000002, 14000002, '', 13000002]},
288 1: {'packets': [15000002, '', 15000002, 15000002, '', 15000002]},
289 'total': {'packets': [30000004, 29000004, 29000004, 29000004, 29000004, 28000004]}}]
290 XP_CHAIN_STATS = [{0: {'packets': [2000054, '-58 (-0.0029%)', 1999996]}},
291 {0: {'packets': [2000054, '-58 (-0.0029%)', 1999996]},
292 1: {'packets': [2000054, '=>', 2000054]},
293 'total': {'packets': [4000108, '-58 (-0.0014%)', 4000050]}},
294 {0: {'packets': [2000054, 2000054]}},
295 {0: {'packets': [2000054, '-58 (-0.0029%)']}},
296 # shared net, leave spaces alone
297 {0: {'packets': [15000002, '', '=>', '=>', '', 15000002]},
298 1: {'packets': [15000002, '', '=>', '=>', '', 15000002]},
299 'total': {'packets': [30000004, '=>', '=>', '=>', '=>', 30000004]}},
300 {0: {'packets': [15000002, '', '-1,000,000 (-6.6667%)', '=>', '',
301 '-1,000,000 (-7.1429%)']},
302 1: {'packets': [15000002, '', '=>', '=>', '', 15000002]},
303 'total': {'packets': [30000004, '-1,000,000 (-3.3333%)', '=>', '=>', '=>',
304 '-1,000,000 (-3.4483%)']}}]
307 def test_summarizer():
308 """Test Summarizer class."""
309 for stats, exp_stats in zip(CHAIN_STATS, XP_CHAIN_STATS):
310 _annotate_chain_stats(stats)
311 assert stats == exp_stats