4 CSIT functional tests are currently executed in FD.IO VIRL testbed. The physical
\r
5 VIRL testbed infrastructure consists of three VIRL hosts:
\r
7 - All hosts are Cisco UCS C240-M4 (2x Intel(R) Xeon(R) CPU E5-2699 v3 @2.30GHz,
\r
12 - Status: Production
\r
13 - OS: Ubuntu 16.04.2
\r
14 - STD server version 0.10.32.16
\r
15 - UWM server version 0.10.32.16
\r
19 - Status: Production
\r
20 - OS: Ubuntu 16.04.2
\r
21 - STD server version 0.10.32.16
\r
22 - UWM server version 0.10.32.16
\r
27 - OS: Ubuntu 16.04.2
\r
28 - STD server version 0.10.32.19
\r
29 - UWM server version 0.10.32.19
\r
31 Whenever a patch is submitted to gerrit for review, parallel VIRL simulations
\r
32 are started to reduce the time of execution of all functional tests. The number
\r
33 of parallel VIRL simulations is equal to number of test groups defined by
\r
34 TEST_GROUPS variable in :file:`csit/bootstrap.sh` file. The VIRL host to run
\r
35 VIRL simulation is selected based on least load algorithm per VIRL simulation.
\r
37 Every VIRL simulation uses the same three-node - Traffic Generator (TG node) and
\r
38 two Systems Under Test (SUT1 and SUT2) - "double-ring" topology. The appropriate
\r
39 pre-built VPP packages built by Jenkins for the patch under review are then
\r
40 installed on the two SUTs, along with their :file:`/etc/vpp/startup.conf` file,
\r
41 in all VIRL simulations.
\r
43 SUT Configuration - VIRL Guest VM
\r
44 ---------------------------------
\r
46 Configurations of the SUT VMs is defined in `VIRL topologies directory`_
\r
48 - List of SUT VM interfaces:::
\r
50 <interface id="0" name="GigabitEthernet0/4/0"/>
\r
51 <interface id="1" name="GigabitEthernet0/5/0"/>
\r
52 <interface id="2" name="GigabitEthernet0/6/0"/>
\r
53 <interface id="3" name="GigabitEthernet0/7/0"/>
\r
55 - Number of 2MB hugepages: 1024
\r
57 - Maximum number of memory map areas: 20000
\r
59 - Kernel Shared Memory Max: 2147483648 (vm.nr_hugepages * 2 * 1024 * 1024)
\r
61 SUT Configuration - VIRL Guest OS Linux
\r
62 ---------------------------------------
\r
64 In CSIT terminology, the VM operating system for both SUTs that |vpp-release| has
\r
65 been tested with, is the following:
\r
67 #. **Ubuntu VIRL image**
\r
69 This image implies Ubuntu 16.04.1 LTS, current as of yyyy-mm-dd (that is,
\r
70 package versions are those that would have been installed by a
\r
71 :command:`apt-get update`, :command:`apt-get upgrade` on that day), produced
\r
72 by CSIT disk image build scripts.
\r
74 The exact list of installed packages and their versions (including the Linux
\r
75 kernel package version) are included in `VIRL images lists`_.
\r
77 A replica of this VM image can be built by running the :command:`build.sh`
\r
78 script in CSIT repository.
\r
80 #. **CentOS VIRL image**
\r
82 The Centos7.3 image is ready to be used but no tests running on it now.
\r
83 Corresponding Jenkins jobs are under preparation.
\r
85 The exact list of installed packages and their versions (including the Linux
\r
86 kernel package version) are included in `VIRL images lists`_.
\r
88 A replica of this VM image can be built by running the :command:`build.sh`
\r
89 script in CSIT repository.
\r
91 #. **Nested VM image**
\r
93 In addition to the "main" VM image, tests which require VPP to communicate to
\r
94 a VM over a vhost-user interface, utilize a "nested" VM image.
\r
96 This "nested" VM is dynamically created and destroyed as part of a test case,
\r
97 and therefore the "nested" VM image is optimized to be small, lightweight and
\r
98 have a short boot time. The "nested" VM image is not built around any
\r
99 established Linux distribution, but is based on `BuildRoot
\r
100 <https://buildroot.org/>`_, a tool for building embedded Linux systems. Just
\r
101 as for the "main" image, scripts to produce an identical replica of the
\r
102 "nested" image are included in CSIT GIT repository, and the image can be
\r
103 rebuilt using the "build.sh" script at `VIRL nested`_.
\r
105 DUT Configuration - VPP
\r
106 -----------------------
\r
108 Every System Under Test runs VPP SW application in Linux user-mode as a Device
\r
109 Under Test (DUT) node.
\r
111 **DUT port configuration**
\r
113 Port configuration of DUTs is defined in topology file that is generated per
\r
114 VIRL simulation based on the definition stored in `VIRL topologies directory`_.
\r
116 Example of DUT nodes configuration:::
\r
120 host: "10.30.51.157"
\r
129 -----BEGIN RSA PRIVATE KEY-----
\r
130 MIIEpgIBAAKCAQEAwUDlTpzSHpwLQotZOFS4AgcPNEWCnP1AB2hWFmvI+8Kah/gb
\r
131 v8ruZU9RqhPs56tyKzxbhvNkY4VbH5F1GilHZu3mLqzM4KfghMmaeMEjO1T7BYYd
\r
132 vuBfTvIluljfQ2vAlnYrDwn+ClxJk81m0pDgvrLEX4qVVh2sGh7UEkYy5r82DNa2
\r
133 4VjzPB1J/c8a9zP8FoZUhYIzF4FLvRMjUADpbMXgJMsGpaZLmz95ap0Eot7vb1Cc
\r
134 1LvF97iyBCrtIOSKRKA50ZhLGjMKmOwnYU+cP5718tbproDVi6VJOo7zeuXyetMs
\r
135 8YBl9kWblWG9BqP9jctFvsmi5G7hXgq1Y8u+DwIDAQABAoIBAQC/W4E0DHjLMny7
\r
136 0bvw2YKzD0Zw3fttdB94tkm4PdZv5MybooPnsAvLaXVV0hEdfVi5kzSWNl/LY/tN
\r
137 EP1BgGphc2QgB59/PPxGwFIjDCvUzlsZpynBHe+B/qh5ExNQcVvsIOqWI7DXlXaN
\r
138 0i/khOzmJ6HncRRah1spKimYRsaUUDskyg7q3QqMWVaqBbbMvLs/w7ZWd/zoDqCU
\r
139 MY/pCI6hkB3QbRo0OdiZLohphBl2ShABTwjvVyyKL5UA4jAEneJrhH5gWVLXnfgD
\r
140 p62W5CollKEYblC8mUkPxpP7Qo277zw3xaq+oktIZhc5SUEUd7nJZtNqVAHqkItW
\r
141 79VmpKyxAoGBAPfU+kqNPaTSvp+x1n5sn2SgipzDtgi9QqNmC4cjtrQQaaqI57SG
\r
142 OHw1jX8i7L2G1WvVtkHg060nlEVo5n65ffFOqeVBezLVJ7ghWI8U+oBiJJyQ4boD
\r
143 GJVNsoOSUQ0rtuGd9eVwfDk3ol9aCN0KK53oPfIYli29pyu4l095kg11AoGBAMef
\r
144 bPEMBI/2XmCPshLSwhGFl+dW8d+Klluj3CUQ/0vUlvma3dfBOYNsIwAgTP0iIUTg
\r
145 8DYE6KBCdPtxAUEI0YAEAKB9ry1tKR2NQEIPfslYytKErtwjAiqSi0heM6+zwEzu
\r
146 f54Z4oBhsMSL0jXoOMnu+NZzEc6EUdQeY4O+jhjzAoGBAIogC3dtjMPGKTP7+93u
\r
147 UE/XIioI8fWg9fj3sMka4IMu+pVvRCRbAjRH7JrFLkjbUyuMqs3Arnk9K+gbdQt/
\r
148 +m95Njtt6WoFXuPCwgbM3GidSmZwYT4454SfDzVBYScEDCNm1FuR+8ov9bFLDtGT
\r
149 D4gsngnGJj1MDFXTxZEn4nzZAoGBAKCg4WmpUPaCuXibyB+rZavxwsTNSn2lJ83/
\r
150 sYJGBhf/raiV/FLDUcM1vYg5dZnu37RsB/5/vqxOLZGyYd7x+Jo5HkQGPnKgNwhn
\r
151 g8BkdZIRF8uEJqxOo0ycdOU7n/2O93swIpKWo5LIiRPuqqzj+uZKnAL7vuVdxfaY
\r
152 qVz2daMPAoGBALgaaKa3voU/HO1PYLWIhFrBThyJ+BQSQ8OqrEzC8AnegWFxRAM8
\r
153 EqrzZXl7ACUuo1dH0Eipm41j2+BZWlQjiUgq5uj8+yzy+EU1ZRRyJcOKzbDACeuD
\r
154 BpWWSXGBI5G4CppeYLjMUHZpJYeX1USULJQd2c4crLJKb76E8gz3Z9kN
\r
155 -----END RSA PRIVATE KEY-----
\r
159 mac_address: "fa:16:3e:9b:89:52"
\r
160 pci_address: "0000:00:04.0"
\r
163 mac_address: "fa:16:3e:7a:33:60"
\r
164 pci_address: "0000:00:05.0"
\r
167 mac_address: "fa:16:3e:29:b7:ae"
\r
168 pci_address: "0000:00:06.0"
\r
171 mac_address: "fa:16:3e:76:8d:ff"
\r
172 pci_address: "0000:00:07.0"
\r
176 host: "10.30.51.156"
\r
185 -----BEGIN RSA PRIVATE KEY-----
\r
186 MIIEpgIBAAKCAQEAwUDlTpzSHpwLQotZOFS4AgcPNEWCnP1AB2hWFmvI+8Kah/gb
\r
187 v8ruZU9RqhPs56tyKzxbhvNkY4VbH5F1GilHZu3mLqzM4KfghMmaeMEjO1T7BYYd
\r
188 vuBfTvIluljfQ2vAlnYrDwn+ClxJk81m0pDgvrLEX4qVVh2sGh7UEkYy5r82DNa2
\r
189 4VjzPB1J/c8a9zP8FoZUhYIzF4FLvRMjUADpbMXgJMsGpaZLmz95ap0Eot7vb1Cc
\r
190 1LvF97iyBCrtIOSKRKA50ZhLGjMKmOwnYU+cP5718tbproDVi6VJOo7zeuXyetMs
\r
191 8YBl9kWblWG9BqP9jctFvsmi5G7hXgq1Y8u+DwIDAQABAoIBAQC/W4E0DHjLMny7
\r
192 0bvw2YKzD0Zw3fttdB94tkm4PdZv5MybooPnsAvLaXVV0hEdfVi5kzSWNl/LY/tN
\r
193 EP1BgGphc2QgB59/PPxGwFIjDCvUzlsZpynBHe+B/qh5ExNQcVvsIOqWI7DXlXaN
\r
194 0i/khOzmJ6HncRRah1spKimYRsaUUDskyg7q3QqMWVaqBbbMvLs/w7ZWd/zoDqCU
\r
195 MY/pCI6hkB3QbRo0OdiZLohphBl2ShABTwjvVyyKL5UA4jAEneJrhH5gWVLXnfgD
\r
196 p62W5CollKEYblC8mUkPxpP7Qo277zw3xaq+oktIZhc5SUEUd7nJZtNqVAHqkItW
\r
197 79VmpKyxAoGBAPfU+kqNPaTSvp+x1n5sn2SgipzDtgi9QqNmC4cjtrQQaaqI57SG
\r
198 OHw1jX8i7L2G1WvVtkHg060nlEVo5n65ffFOqeVBezLVJ7ghWI8U+oBiJJyQ4boD
\r
199 GJVNsoOSUQ0rtuGd9eVwfDk3ol9aCN0KK53oPfIYli29pyu4l095kg11AoGBAMef
\r
200 bPEMBI/2XmCPshLSwhGFl+dW8d+Klluj3CUQ/0vUlvma3dfBOYNsIwAgTP0iIUTg
\r
201 8DYE6KBCdPtxAUEI0YAEAKB9ry1tKR2NQEIPfslYytKErtwjAiqSi0heM6+zwEzu
\r
202 f54Z4oBhsMSL0jXoOMnu+NZzEc6EUdQeY4O+jhjzAoGBAIogC3dtjMPGKTP7+93u
\r
203 UE/XIioI8fWg9fj3sMka4IMu+pVvRCRbAjRH7JrFLkjbUyuMqs3Arnk9K+gbdQt/
\r
204 +m95Njtt6WoFXuPCwgbM3GidSmZwYT4454SfDzVBYScEDCNm1FuR+8ov9bFLDtGT
\r
205 D4gsngnGJj1MDFXTxZEn4nzZAoGBAKCg4WmpUPaCuXibyB+rZavxwsTNSn2lJ83/
\r
206 sYJGBhf/raiV/FLDUcM1vYg5dZnu37RsB/5/vqxOLZGyYd7x+Jo5HkQGPnKgNwhn
\r
207 g8BkdZIRF8uEJqxOo0ycdOU7n/2O93swIpKWo5LIiRPuqqzj+uZKnAL7vuVdxfaY
\r
208 qVz2daMPAoGBALgaaKa3voU/HO1PYLWIhFrBThyJ+BQSQ8OqrEzC8AnegWFxRAM8
\r
209 EqrzZXl7ACUuo1dH0Eipm41j2+BZWlQjiUgq5uj8+yzy+EU1ZRRyJcOKzbDACeuD
\r
210 BpWWSXGBI5G4CppeYLjMUHZpJYeX1USULJQd2c4crLJKb76E8gz3Z9kN
\r
211 -----END RSA PRIVATE KEY-----
\r
215 mac_address: "fa:16:3e:ad:6c:7d"
\r
216 pci_address: "0000:00:04.0"
\r
219 mac_address: "fa:16:3e:94:a4:99"
\r
220 pci_address: "0000:00:05.0"
\r
223 mac_address: "fa:16:3e:75:92:da"
\r
224 pci_address: "0000:00:06.0"
\r
227 mac_address: "fa:16:3e:2c:b1:2a"
\r
228 pci_address: "0000:00:07.0"
\r
235 **VPP Installed Packages**
\r
239 Desired=Unknown/Install/Remove/Purge/Hold
\r
240 | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
\r
241 |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
\r
242 ||/ Name Version Architecture Description
\r
243 +++-==============-=============-============-=============================================
\r
244 ii vpp 17.07-release amd64 Vector Packet Processing--executables
\r
245 ii vpp-dbg 17.07-release amd64 Vector Packet Processing--debug symbols
\r
246 ii vpp-dev 17.07-release amd64 Vector Packet Processing--development support
\r
247 ii vpp-dpdk-dev 17.07-release amd64 Vector Packet Processing--development support
\r
248 ii vpp-dpdk-dkms 17.07-release amd64 DPDK 2.1 igb_uio_driver
\r
249 ii vpp-lib 17.07-release amd64 Vector Packet Processing--runtime libraries
\r
250 ii vpp-plugins 17.07-release amd64 Vector Packet Processing--runtime plugins
\r
252 **VPP Startup Configuration**
\r
254 VPP startup configuration is common for all test cases.
\r
258 $ cat /etc/vpp/startup.conf
\r
274 ## In the VPP there is one main thread and optionally the user can create worker(s)
\r
275 ## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
\r
277 ## Manual pinning of thread(s) to CPU core(s)
\r
279 ## Set logical CPU core where main thread runs
\r
282 ## Set logical CPU core(s) where worker threads are running
\r
283 # corelist-workers 2-3,18-19
\r
285 ## Automatic pinning of thread(s) to CPU core(s)
\r
287 ## Sets number of CPU core(s) to be skipped (1 ... N-1)
\r
288 ## Skipped CPU core(s) are not used for pinning main thread and working thread(s).
\r
289 ## The main thread is automatically pinned to the first available CPU core and worker(s)
\r
290 ## are pinned to next free CPU core(s) after core assigned to main thread
\r
293 ## Specify a number of workers to be created
\r
294 ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s)
\r
295 ## and main thread's CPU core
\r
298 ## Set scheduling policy and priority of main and worker threads
\r
300 ## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH)
\r
301 ## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
\r
302 # scheduler-policy fifo
\r
304 ## Scheduling priority is used only for "real-time policies (fifo and rr),
\r
305 ## and has to be in the range of priorities supported for a particular policy
\r
306 # scheduler-priority 50
\r
310 ## Change default settings for all intefaces
\r
312 ## Number of receive queues, enables RSS
\r
316 ## Number of transmit queues, Default is equal
\r
317 ## to number of worker threads or 1 if no workers treads
\r
320 ## Number of descriptors in transmit and receive rings
\r
321 ## increasing or reducing number can impact performance
\r
322 ## Default is 1024 for both rx and tx
\r
326 ## VLAN strip offload mode for interface
\r
328 # vlan-strip-offload on
\r
331 ## Whitelist specific interface by specifying PCI address
\r
334 ## Whitelist specific interface by specifying PCI address and in
\r
335 ## addition specify custom parameters for this interface
\r
336 # dev 0000:02:00.1 {
\r
340 ## Change UIO driver used by VPP, Options are: uio_pci_generic, vfio-pci
\r
341 ## and igb_uio (default)
\r
342 # uio-driver uio_pci_generic
\r
344 ## Disable mutli-segment buffers, improves performance but
\r
345 ## disables Jumbo MTU support
\r
348 ## Increase number of buffers allocated, needed only in scenarios with
\r
349 ## large number of interfaces and worker threads. Value is per CPU socket.
\r
350 ## Default is 32768
\r
353 ## Change hugepages allocation per-socket, needed only if there is need for
\r
354 ## larger number of mbufs. Default is 256M on each detected CPU socket
\r
355 # socket-mem 2048,2048
\r
361 Traffic Generator node is VM running the same OS Linux as SUTs. Ports of this
\r
362 VM are used as source (Tx) and destination (Rx) ports for the traffic.
\r
364 Traffic scripts of test cases are executed on this VM.
\r
366 **TG VM configuration**
\r
368 Configuration of the TG VMs is defined in `VIRL topologies directory`_.
\r
370 /csit/resources/tools/virl/topologies/double-ring-nested.xenial.virl
\r
372 - List of TG VM interfaces:::
\r
374 <interface id="0" name="eth1"/>
\r
375 <interface id="1" name="eth2"/>
\r
376 <interface id="2" name="eth3"/>
\r
377 <interface id="3" name="eth4"/>
\r
378 <interface id="4" name="eth5"/>
\r
379 <interface id="5" name="eth6"/>
\r
381 **TG node port configuration**
\r
383 Port configuration of TG is defined in topology file that is generated per VIRL
\r
384 simulation based on the definition stored in `VIRL topologies directory`_.
\r
386 Example of TG node configuration:::
\r
390 host: "10.30.51.155"
\r
394 -----BEGIN RSA PRIVATE KEY-----
\r
395 MIIEpgIBAAKCAQEAwUDlTpzSHpwLQotZOFS4AgcPNEWCnP1AB2hWFmvI+8Kah/gb
\r
396 v8ruZU9RqhPs56tyKzxbhvNkY4VbH5F1GilHZu3mLqzM4KfghMmaeMEjO1T7BYYd
\r
397 vuBfTvIluljfQ2vAlnYrDwn+ClxJk81m0pDgvrLEX4qVVh2sGh7UEkYy5r82DNa2
\r
398 4VjzPB1J/c8a9zP8FoZUhYIzF4FLvRMjUADpbMXgJMsGpaZLmz95ap0Eot7vb1Cc
\r
399 1LvF97iyBCrtIOSKRKA50ZhLGjMKmOwnYU+cP5718tbproDVi6VJOo7zeuXyetMs
\r
400 8YBl9kWblWG9BqP9jctFvsmi5G7hXgq1Y8u+DwIDAQABAoIBAQC/W4E0DHjLMny7
\r
401 0bvw2YKzD0Zw3fttdB94tkm4PdZv5MybooPnsAvLaXVV0hEdfVi5kzSWNl/LY/tN
\r
402 EP1BgGphc2QgB59/PPxGwFIjDCvUzlsZpynBHe+B/qh5ExNQcVvsIOqWI7DXlXaN
\r
403 0i/khOzmJ6HncRRah1spKimYRsaUUDskyg7q3QqMWVaqBbbMvLs/w7ZWd/zoDqCU
\r
404 MY/pCI6hkB3QbRo0OdiZLohphBl2ShABTwjvVyyKL5UA4jAEneJrhH5gWVLXnfgD
\r
405 p62W5CollKEYblC8mUkPxpP7Qo277zw3xaq+oktIZhc5SUEUd7nJZtNqVAHqkItW
\r
406 79VmpKyxAoGBAPfU+kqNPaTSvp+x1n5sn2SgipzDtgi9QqNmC4cjtrQQaaqI57SG
\r
407 OHw1jX8i7L2G1WvVtkHg060nlEVo5n65ffFOqeVBezLVJ7ghWI8U+oBiJJyQ4boD
\r
408 GJVNsoOSUQ0rtuGd9eVwfDk3ol9aCN0KK53oPfIYli29pyu4l095kg11AoGBAMef
\r
409 bPEMBI/2XmCPshLSwhGFl+dW8d+Klluj3CUQ/0vUlvma3dfBOYNsIwAgTP0iIUTg
\r
410 8DYE6KBCdPtxAUEI0YAEAKB9ry1tKR2NQEIPfslYytKErtwjAiqSi0heM6+zwEzu
\r
411 f54Z4oBhsMSL0jXoOMnu+NZzEc6EUdQeY4O+jhjzAoGBAIogC3dtjMPGKTP7+93u
\r
412 UE/XIioI8fWg9fj3sMka4IMu+pVvRCRbAjRH7JrFLkjbUyuMqs3Arnk9K+gbdQt/
\r
413 +m95Njtt6WoFXuPCwgbM3GidSmZwYT4454SfDzVBYScEDCNm1FuR+8ov9bFLDtGT
\r
414 D4gsngnGJj1MDFXTxZEn4nzZAoGBAKCg4WmpUPaCuXibyB+rZavxwsTNSn2lJ83/
\r
415 sYJGBhf/raiV/FLDUcM1vYg5dZnu37RsB/5/vqxOLZGyYd7x+Jo5HkQGPnKgNwhn
\r
416 g8BkdZIRF8uEJqxOo0ycdOU7n/2O93swIpKWo5LIiRPuqqzj+uZKnAL7vuVdxfaY
\r
417 qVz2daMPAoGBALgaaKa3voU/HO1PYLWIhFrBThyJ+BQSQ8OqrEzC8AnegWFxRAM8
\r
418 EqrzZXl7ACUuo1dH0Eipm41j2+BZWlQjiUgq5uj8+yzy+EU1ZRRyJcOKzbDACeuD
\r
419 BpWWSXGBI5G4CppeYLjMUHZpJYeX1USULJQd2c4crLJKb76E8gz3Z9kN
\r
420 -----END RSA PRIVATE KEY-----
\r
424 mac_address: "fa:16:3e:b9:e1:27"
\r
425 pci_address: "0000:00:06.0"
\r
429 mac_address: "fa:16:3e:e9:c8:68"
\r
430 pci_address: "0000:00:07.0"
\r
434 mac_address: "fa:16:3e:e8:d3:47"
\r
435 pci_address: "0000:00:08.0"
\r
439 mac_address: "fa:16:3e:cf:ca:58"
\r
440 pci_address: "0000:00:09.0"
\r
444 **Traffic generator**
\r
446 Functional tests utilize Scapy as a traffic generator. There was used Scapy
\r
447 v2.3.1 for |vpp-release| tests.
\r