diff options
Diffstat (limited to 'docs/userguide')
| -rw-r--r-- | docs/userguide/index.rst | 1 | ||||
| -rwxr-xr-x | docs/userguide/integration.rst | 418 | ||||
| -rw-r--r-- | docs/userguide/teststeps.rst | 651 | ||||
| -rwxr-xr-x | docs/userguide/testusage.rst | 314 |
4 files changed, 861 insertions, 523 deletions
diff --git a/docs/userguide/index.rst b/docs/userguide/index.rst index 1a796dbf..a1cce262 100644 --- a/docs/userguide/index.rst +++ b/docs/userguide/index.rst @@ -11,5 +11,6 @@ VSPERF User Guide :maxdepth: 3 testusage.rst + teststeps.rst integration.rst yardstick.rst diff --git a/docs/userguide/integration.rst b/docs/userguide/integration.rst index b0926d89..003e8adb 100755 --- a/docs/userguide/integration.rst +++ b/docs/userguide/integration.rst @@ -33,402 +33,6 @@ view the current test list simply execute the following command: The standard tests included are defined inside the ``conf/integration/01_testcases.conf`` file. -Test Steps ----------- - -Execution of integration tests are done on a step by step work flow starting -with step 0 as defined inside the test case. Each step of the test increments -the step number by one which is indicated in the log. - -.. code-block:: console - - (testcases.integration) - Step 1 - 'vswitch add_switch ['int_br1']' ... OK - -Each step in the test case is validated. If a step does not pass validation the -test will fail and terminate. The test will continue until a failure is detected -or all steps pass. A csv report file is generated after a test completes with an -OK or FAIL result. - -Test Macros ------------ - -Test profiles can include macros as part of the test step. Each step in the -profile may return a value such as a port name. Recall macros use #STEP to -indicate the recalled value inside the return structure. If the method the -test step calls returns a value it can be later recalled, for example: - -.. code-block:: python - - { - "Name": "vswitch_add_del_vport", - "Deployment": "clean", - "Description": "vSwitch - add and delete virtual port", - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_vport', 'int_br0'], # STEP 1 - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], # STEP 2 - ['vswitch', 'del_switch', 'int_br0'], # STEP 3 - ] - } - -This test profile uses the vswitch add_vport method which returns a string -value of the port added. This is later called by the del_port method using the -name from step 1. - -Also commonly used steps can be created as a separate profile. - -.. code-block:: python - - STEP_VSWITCH_PVP_INIT = [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 3 - ['vswitch', 'add_vport', 'int_br0'], # STEP 4 - ] - -This profile can then be used inside other testcases - -.. code-block:: python - - { - "Name": "vswitch_pvp", - "Deployment": "clean", - "Description": "vSwitch - configure switch and one vnf", - "TestSteps": STEP_VSWITCH_PVP_INIT + - [ - ['vnf', 'start'], - ['vnf', 'stop'], - ] + - STEP_VSWITCH_PVP_FINIT - } - -HelloWorld and other basic Testcases ------------------------------------- - -The following examples are for demonstration purposes. -You can run them by copying and pasting into the -conf/integration/01_testcases.conf file. -A command-line instruction is shown at the end of each -example. - -HelloWorld -^^^^^^^^^^ - -The first example is a HelloWorld testcase. -It simply creates a bridge with 2 physical ports, then sets up a flow to drop -incoming packets from the port that was instantiated at the STEP #1. -There's no interaction with the traffic generator. -Then the flow, the 2 ports and the bridge are deleted. -'add_phy_port' method creates a 'dpdk' type interface that will manage the -physical port. The string value returned is the port name that will be referred -by 'del_port' later on. - -.. code-block:: python - - { - "Name": "HelloWorld", - "Description": "My first testcase", - "Deployment": "clean", - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'actions': ['drop'], 'idle_timeout': '0'}], - ['vswitch', 'del_flow', 'int_br0'], - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - - } - -To run HelloWorld test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --integration HelloWorld - -Specify a Flow by the IP address -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -The next example shows how to explicitly set up a flow by specifying a -destination IP address. -All packets received from the port created at STEP #1 that have a destination -IP address = 90.90.90.90 will be forwarded to the port created at the STEP #2. - -.. code-block:: python - - { - "Name": "p2p_rule_l3da", - "Description": "Phy2Phy with rule on L3 Dest Addr", - "Deployment": "clean", - "biDirectional": "False", - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_dst': '90.90.90.90', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous'}], - ['vswitch', 'dump_flows', 'int_br0'], # STEP 5 - ['vswitch', 'del_flow', 'int_br0'], # STEP 7 == del-flows - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - }, - -To run the test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --integration p2p_rule_l3da - -Multistream feature -^^^^^^^^^^^^^^^^^^^ - -The next testcase uses the multistream feature. -The traffic generator will send packets with different UDP ports. -That is accomplished by using "Stream Type" and "MultiStream" keywords. -4 different flows are set to forward all incoming packets. - -.. code-block:: python - - { - "Name": "multistream_l4", - "Description": "Multistream on UDP ports", - "Deployment": "clean", - "Stream Type": "L4", - "MultiStream": 4, - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - # Setup Flows - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '0', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '1', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '2', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '3', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - # Send mono-dir traffic - ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ - 'bidir' : 'False'}], - # Clean up - ['vswitch', 'del_flow', 'int_br0'], - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - }, - -To run the test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --integration multistream_l4 - -PVP with a VM Replacement -^^^^^^^^^^^^^^^^^^^^^^^^^ - -This example launches a 1st VM in a PVP topology, then the VM is replaced -by another VM. -When VNF setup parameter in ./conf/04_vnf.conf is "QemuDpdkVhostUser" -'add_vport' method creates a 'dpdkvhostuser' type port to connect a VM. - -.. code-block:: python - - { - "Name": "ex_replace_vm", - "Description": "PVP with VM replacement", - "Deployment": "clean", - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 - ['vswitch', 'add_vport', 'int_br0'], # STEP 4 - - # Setup Flows - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[2][1]', \ - 'actions': ['output:#STEP[4][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[3][1]', \ - 'actions': ['output:#STEP[1][1]'], 'idle_timeout': '0'}], - - # Start VM 1 - ['vnf1', 'start'], - # Now we want to replace VM 1 with another VM - ['vnf1', 'stop'], - - ['vswitch', 'add_vport', 'int_br0'], # STEP 11 vm2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 12 - ['vswitch', 'del_flow', 'int_br0'], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'actions': ['output:#STEP[11][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[12][1]', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - - # Start VM 2 - ['vnf2', 'start'], - ['vnf2', 'stop'], - ['vswitch', 'dump_flows', 'int_br0'], - - # Clean up - ['vswitch', 'del_flow', 'int_br0'], - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 - ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[11][0]'], # vm2 - ['vswitch', 'del_port', 'int_br0', '#STEP[12][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - }, - -To run the test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --integration ex_replace_vm - -VM with a Linux bridge -^^^^^^^^^^^^^^^^^^^^^^ - -In this example a command-line parameter allows to set up a Linux bridge into -the guest VM. -That's one of the available ways to specify the guest application. -Packets matching the flow will be forwarded to the VM. - -.. code-block:: python - - { - "Name": "ex_pvp_rule_l3da", - "Description": "PVP with flow on L3 Dest Addr", - "Deployment": "clean", - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 - ['vswitch', 'add_vport', 'int_br0'], # STEP 4 - # Setup Flows - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_dst': '90.90.90.90', \ - 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], - # Each pkt from the VM is forwarded to the 2nd dpdk port - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - # Start VMs - ['vnf1', 'start'], - ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ - 'bidir' : 'False'}], - ['vnf1', 'stop'], - # Clean up - ['vswitch', 'dump_flows', 'int_br0'], # STEP 10 - ['vswitch', 'del_flow', 'int_br0'], # STEP 11 - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 ports - ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - }, - -To run the test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --test-params - "guest_loopback=linux_bridge" --integration ex_pvp_rule_l3da - -Forward packets based on UDP port -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -This examples launches 2 VMs connected in parallel. -Incoming packets will be forwarded to one specific VM depending on the -destination UDP port. - -.. code-block:: python - - { - "Name": "ex_2pvp_rule_l4dp", - "Description": "2 PVP with flows on L4 Dest Port", - "Deployment": "clean", - "Stream Type": "L4", # loop UDP ports - "MultiStream": 2, - "TestSteps": [ - ['vswitch', 'add_switch', 'int_br0'], # STEP 0 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 - ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 - ['vswitch', 'add_vport', 'int_br0'], # STEP 4 - ['vswitch', 'add_vport', 'int_br0'], # STEP 5 vm2 - ['vswitch', 'add_vport', 'int_br0'], # STEP 6 - # Setup Flows to reply ICMPv6 and similar packets, so to - # avoid flooding internal port with their re-transmissions - ['vswitch', 'add_flow', 'int_br0', \ - {'priority': '1', 'dl_src': '00:00:00:00:00:01', \ - 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', \ - {'priority': '1', 'dl_src': '00:00:00:00:00:02', \ - 'actions': ['output:#STEP[4][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', \ - {'priority': '1', 'dl_src': '00:00:00:00:00:03', \ - 'actions': ['output:#STEP[5][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', \ - {'priority': '1', 'dl_src': '00:00:00:00:00:04', \ - 'actions': ['output:#STEP[6][1]'], 'idle_timeout': '0'}], - # Forward UDP packets depending on dest port - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '0', \ - 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ - 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '1', \ - 'actions': ['output:#STEP[5][1]'], 'idle_timeout': '0'}], - # Send VM output to phy port #2 - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[6][1]', \ - 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], - # Start VMs - ['vnf1', 'start'], # STEP 16 - ['vnf2', 'start'], # STEP 17 - ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ - 'bidir' : 'False'}], - ['vnf1', 'stop'], - ['vnf2', 'stop'], - ['vswitch', 'dump_flows', 'int_br0'], - # Clean up - ['vswitch', 'del_flow', 'int_br0'], - ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 ports - ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], - ['vswitch', 'del_port', 'int_br0', '#STEP[5][0]'], # vm2 ports - ['vswitch', 'del_port', 'int_br0', '#STEP[6][0]'], - ['vswitch', 'del_switch', 'int_br0'], - ] - }, - -To run the test: - - .. code-block:: console - - ./vsperf --conf-file user_settings.py --integration ex_2pvp_rule_l4dp - Executing Tunnel encapsulation tests ------------------------------------ @@ -477,21 +81,21 @@ To run VXLAN encapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=vxlan' overlay_p2p_tput To run GRE encapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=gre' overlay_p2p_tput To run GENEVE encapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=geneve' overlay_p2p_tput To run OVS NATIVE tunnel tests (VXLAN/GRE/GENEVE): @@ -523,7 +127,7 @@ To run OVS NATIVE tunnel tests (VXLAN/GRE/GENEVE): .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=vxlan' overlay_p2p_tput @@ -585,7 +189,7 @@ To run GRE decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --test-params 'tunnel_type=gre' + ./vsperf --conf-file user_settings.py --test-params 'tunnel_type=gre' \ --integration overlay_p2p_decap_cont @@ -624,7 +228,7 @@ To import the template do: 2. Click on the Traffic menu 3. Click on the Traffic actions and click Edit Packet Templates 4. On the Template editor window, click Import. Select the template - tools/pkt_gen/ixnet/GeneveIxNetTemplate.xml_ClearText.xml + located at ``3rd_party/ixia/GeneveIxNetTemplate.xml_ClearText.xml`` and click import. 5. Restart the TCL Server. @@ -642,7 +246,7 @@ To run GENEVE decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --test-params 'tunnel_type=geneve' + ./vsperf --conf-file user_settings.py --test-params 'tunnel_type=geneve' \ --integration overlay_p2p_decap_cont @@ -726,7 +330,7 @@ To run VXLAN decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=vxlan' overlay_p2p_decap_cont Executing Native/Vanilla OVS GRE decapsulation tests @@ -785,7 +389,7 @@ To run GRE decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=gre' overlay_p2p_decap_cont Executing Native/Vanilla OVS GENEVE decapsulation tests @@ -844,7 +448,7 @@ To run GENEVE decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ --test-params 'tunnel_type=geneve' overlay_p2p_decap_cont @@ -894,5 +498,5 @@ To run VXLAN encapsulation+decapsulation tests: .. code-block:: console - ./vsperf --conf-file user_settings.py --integration + ./vsperf --conf-file user_settings.py --integration \ overlay_p2p_mod_tput diff --git a/docs/userguide/teststeps.rst b/docs/userguide/teststeps.rst new file mode 100644 index 00000000..65a25b0a --- /dev/null +++ b/docs/userguide/teststeps.rst @@ -0,0 +1,651 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. (c) OPNFV, Intel Corporation, AT&T and others. + +Step driven tests +================= + +In general, test scenarios are defined by a ``deployment`` used in the particular +test case definition. The chosen deployment scenario will take care of the vSwitch +configuration, deployment of VNFs and it can also affect configuration of a traffic +generator. In order to allow a more flexible way of testcase scripting, VSPERF supports +a detailed step driven testcase definition. It can be used to configure and +program vSwitch, deploy and terminate VNFs, execute a traffic generator, +modify a VSPERF configuration, execute external commands, etc. + +Execution of step driven tests is done on a step by step work flow starting +with step 0 as defined inside the test case. Each step of the test increments +the step number by one which is indicated in the log. + +.. code-block:: console + + (testcases.integration) - Step 0 'vswitch add_vport ['br0']' start + +Step driven tests can be used for both performance and integration testing. +In case of integration test, each step in the test case is validated. If a step +does not pass validation the test will fail and terminate. The test will continue +until a failure is detected or all steps pass. A csv report file is generated after +a test completes with an OK or FAIL result. + +In case of performance test, the validation of steps is not performed and +standard output files with results from traffic generator and underlying OS +details are generated by vsperf. + +Step driven testcases can be used in two different ways: + + # description of full testcase - in this case ``clean`` deployment is used + to indicate that vsperf should neither configure vSwitch nor deploy any VNF. + Test shall perform all required vSwitch configuration and programming and + deploy required number of VNFs. + + # modification of existing deployment - in this case, any of supported + deployments can be used to perform initial vSwitch configuration and + deployment of VNFs. Additional actions defined by TestSteps can be used + to alter vSwitch configuration or deploy additional VNFs. After the last + step is processed, the test execution will continue with traffic execution. + +Test objects and their functions +-------------------------------- + +Every test step can call a function of one of the supported test objects. The list +of supported objects and their most common functions follows: + + * ``vswitch`` - provides functions for vSwitch configuration + + List of supported functions: + + * ``add_switch br_name`` - creates a new switch (bridge) with given ``br_name`` + * ``del_switch br_name`` - deletes switch (bridge) with given ``br_name`` + * ``add_phy_port br_name`` - adds a physical port into bridge specified by ``br_name`` + * ``add_vport br_name`` - adds a virtual port into bridge specified by ``br_name`` + * ``del_port br_name port_name`` - removes physical or virtual port specified by + ``port_name`` from bridge ``br_name`` + * ``add_flow br_name flow`` - adds flow specified by ``flow`` dictionary into + the bridge ``br_name``; Content of flow dictionary will be passed to the vSwitch. + In case of Open vSwitch it will be passed to the ``ovs-ofctl add-flow`` command. + Please see Open vSwitch documentation for the list of supported flow parameters. + * ``del_flow br_name [flow]`` - deletes flow specified by ``flow`` dictionary from + bridge ``br_name``; In case that optional parameter ``flow`` is not specified + or set to an empty dictionary ``{}``, then all flows from bridge ``br_name`` + will be deleted. + * ``dump_flows br_name`` - dumps all flows from bridge specified by ``br_name`` + * ``enable_stp br_name`` - enables Spanning Tree Protocol for bridge ``br_name`` + * ``disable_stp br_name`` - disables Spanning Tree Protocol for bridge ``br_name`` + * ``enable_rstp br_name`` - enables Rapid Spanning Tree Protocol for bridge ``br_name`` + * ``disable_rstp br_name`` - disables Rapid Spanning Tree Protocol for bridge ``br_name`` + + Examples: + + .. code-block:: python + + ['vswitch', 'add_switch', 'int_br0'] + + ['vswitch', 'del_switch', 'int_br0'] + + ['vswitch', 'add_phy_port', 'int_br0'] + + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'] + + ['vswitch', 'add_flow', 'int_br0', {'in_port': '1', 'actions': ['output:2'], + 'idle_timeout': '0'}], + + ['vswitch', 'enable_rstp', 'int_br0'] + + * ``vnf[ID]`` - provides functions for deployment and termination of VNFs; Optional + alfanumerical ``ID`` is used for VNF identification in case that testcase + deploys multiple VNFs. + + List of supported functions: + + * ``start`` - starts a VNF based on VSPERF configuration + * ``stop`` - gracefully terminates given VNF + + Examples: + + .. code-block:: python + + ['vnf1', 'start'] + ['vnf2', 'start'] + ['vnf2', 'stop'] + ['vnf1', 'stop'] + + * ``trafficgen`` - triggers traffic generation + + List of supported functions: + + * ``send_traffic traffic`` - starts a traffic based on the vsperf configuration + and given ``traffic`` dictionary. More details about ``traffic`` dictionary + and its possible values are available at `Traffic Generator Integration Guide + <http://artifacts.opnfv.org/vswitchperf/docs/design/trafficgen_integration_guide.html#step-5-supported-traffic-types>`__ + + Examples: + + .. code-block:: python + + ['trafficgen', 'send_traffic', {'traffic_type' : 'throughput'}] + + ['trafficgen', 'send_traffic', {'traffic_type' : 'back2back', 'bidir' : 'True'}] + + * ``settings`` - reads or modifies VSPERF configuration + + List of supported functions: + + * ``getValue param`` - returns value of given ``param`` + * ``setValue param value`` - sets value of ``param`` to given ``value`` + + Examples: + + .. code-block:: python + + ['settings', 'getValue', 'TOOLS'] + + ['settings', 'setValue', 'GUEST_USERNAME', ['root']] + + * ``namespace`` - creates or modifies network namespaces + + List of supported functions: + + * ``create_namespace name`` - creates new namespace with given ``name`` + * ``delete_namespace name`` - deletes namespace specified by its ``name`` + * ``assign_port_to_namespace port name [port_up]`` - assigns NIC specified by ``port`` + into given namespace ``name``; If optional parameter ``port_up`` is set to ``True``, + then port will be brought up. + * ``add_ip_to_namespace_eth port name addr cidr`` - assigns an IP address ``addr``/``cidr`` + to the NIC specified by ``port`` within namespace ``name`` + * ``reset_port_to_root port name`` - returns given ``port`` from namespace ``name`` back + to the root namespace + + Examples: + + .. code-block:: python + + ['namespace', 'create_namespace', 'testns'] + + ['namespace', 'assign_port_to_namespace', 'eth0', 'testns'] + + * ``veth`` - manipulates with eth and veth devices + + List of supported functions: + + * ``add_veth_port port peer_port`` - adds a pair of veth ports named ``port`` and + ``peer_port`` + * ``del_veth_port port peer_port`` - deletes a veth port pair specified by ``port`` + and ``peer_port`` + * ``bring_up_eth_port eth_port [namespace]`` - brings up ``eth_port`` in (optional) + ``namespace`` + + Examples: + + .. code-block:: python + + ['veth', 'add_veth_port', 'veth', 'veth1'] + + ['veth', 'bring_up_eth_port', 'eth1'] + + * ``tools`` - provides a set of helper functions + + List of supported functions: + + * ``Assert condition`` - evaluates given ``condition`` and raises ``AssertionError`` + in case that condition is not ``True`` + * ``Eval expression`` - evaluates given expression as a python code and returns + its result + * ``Exec command [regex]`` - executes a shell command and filters its output by + (optional) regular expression + + Examples: + + .. code-block:: python + + ['tools', 'exec', 'numactl -H', 'available: ([0-9]+)'] + ['tools', 'assert', '#STEP[-1][0]>1'] + + * ``wait`` - is used for test case interruption. This object doesn't have + any functions. Once reached, vsperf will pause test execution and waits + for press of ``Enter key``. It can be used during testcase design + for debugging purposes. + + Examples: + + .. code-block:: python + + ['wait'] + +Test Macros +----------- + +Test profiles can include macros as part of the test step. Each step in the +profile may return a value such as a port name. Recall macros use #STEP to +indicate the recalled value inside the return structure. If the method the +test step calls returns a value it can be later recalled, for example: + +.. code-block:: python + + { + "Name": "vswitch_add_del_vport", + "Deployment": "clean", + "Description": "vSwitch - add and delete virtual port", + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_vport', 'int_br0'], # STEP 1 + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], # STEP 2 + ['vswitch', 'del_switch', 'int_br0'], # STEP 3 + ] + } + +This test profile uses the vswitch add_vport method which returns a string +value of the port added. This is later called by the del_port method using the +name from step 1. + +It is also possible to use negative indexes in step macros. In that case +``#STEP[-1]`` will refer to the result from previous step, ``#STEP[-2]`` +will refer to result of step called before previous step, etc. It means, +that you could change ``STEP 2`` from previous example to achieve the same +functionality: + +.. code-block:: python + + ['vswitch', 'del_port', 'int_br0', '#STEP[-1][0]'], # STEP 2 + +Also commonly used steps can be created as a separate profile. + +.. code-block:: python + + STEP_VSWITCH_PVP_INIT = [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 3 + ['vswitch', 'add_vport', 'int_br0'], # STEP 4 + ] + +This profile can then be used inside other testcases + +.. code-block:: python + + { + "Name": "vswitch_pvp", + "Deployment": "clean", + "Description": "vSwitch - configure switch and one vnf", + "TestSteps": STEP_VSWITCH_PVP_INIT + + [ + ['vnf', 'start'], + ['vnf', 'stop'], + ] + + STEP_VSWITCH_PVP_FINIT + } + +HelloWorld and other basic Testcases +------------------------------------ + +The following examples are for demonstration purposes. +You can run them by copying and pasting into the +conf/integration/01_testcases.conf file. +A command-line instruction is shown at the end of each +example. + +HelloWorld +^^^^^^^^^^ + +The first example is a HelloWorld testcase. +It simply creates a bridge with 2 physical ports, then sets up a flow to drop +incoming packets from the port that was instantiated at the STEP #1. +There's no interaction with the traffic generator. +Then the flow, the 2 ports and the bridge are deleted. +'add_phy_port' method creates a 'dpdk' type interface that will manage the +physical port. The string value returned is the port name that will be referred +by 'del_port' later on. + +.. code-block:: python + + { + "Name": "HelloWorld", + "Description": "My first testcase", + "Deployment": "clean", + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'actions': ['drop'], 'idle_timeout': '0'}], + ['vswitch', 'del_flow', 'int_br0'], + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + + }, + +To run HelloWorld test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration HelloWorld + +Specify a Flow by the IP address +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The next example shows how to explicitly set up a flow by specifying a +destination IP address. +All packets received from the port created at STEP #1 that have a destination +IP address = 90.90.90.90 will be forwarded to the port created at the STEP #2. + +.. code-block:: python + + { + "Name": "p2p_rule_l3da", + "Description": "Phy2Phy with rule on L3 Dest Addr", + "Deployment": "clean", + "biDirectional": "False", + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_dst': '90.90.90.90', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous'}], + ['vswitch', 'dump_flows', 'int_br0'], # STEP 5 + ['vswitch', 'del_flow', 'int_br0'], # STEP 7 == del-flows + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration p2p_rule_l3da + +Multistream feature +^^^^^^^^^^^^^^^^^^^ + +The next testcase uses the multistream feature. +The traffic generator will send packets with different UDP ports. +That is accomplished by using "Stream Type" and "MultiStream" keywords. +4 different flows are set to forward all incoming packets. + +.. code-block:: python + + { + "Name": "multistream_l4", + "Description": "Multistream on UDP ports", + "Deployment": "clean", + "Stream Type": "L4", + "MultiStream": 4, + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + # Setup Flows + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '0', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '1', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '2', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '3', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + # Send mono-dir traffic + ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ + 'bidir' : 'False'}], + # Clean up + ['vswitch', 'del_flow', 'int_br0'], + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration multistream_l4 + +PVP with a VM Replacement +^^^^^^^^^^^^^^^^^^^^^^^^^ + +This example launches a 1st VM in a PVP topology, then the VM is replaced +by another VM. +When VNF setup parameter in ./conf/04_vnf.conf is "QemuDpdkVhostUser" +'add_vport' method creates a 'dpdkvhostuser' type port to connect a VM. + +.. code-block:: python + + { + "Name": "ex_replace_vm", + "Description": "PVP with VM replacement", + "Deployment": "clean", + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 + ['vswitch', 'add_vport', 'int_br0'], # STEP 4 + + # Setup Flows + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[2][1]', \ + 'actions': ['output:#STEP[4][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[3][1]', \ + 'actions': ['output:#STEP[1][1]'], 'idle_timeout': '0'}], + + # Start VM 1 + ['vnf1', 'start'], + # Now we want to replace VM 1 with another VM + ['vnf1', 'stop'], + + ['vswitch', 'add_vport', 'int_br0'], # STEP 11 vm2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 12 + ['vswitch', 'del_flow', 'int_br0'], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'actions': ['output:#STEP[11][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[12][1]', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + + # Start VM 2 + ['vnf2', 'start'], + ['vnf2', 'stop'], + ['vswitch', 'dump_flows', 'int_br0'], + + # Clean up + ['vswitch', 'del_flow', 'int_br0'], + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 + ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[11][0]'], # vm2 + ['vswitch', 'del_port', 'int_br0', '#STEP[12][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration ex_replace_vm + +VM with a Linux bridge +^^^^^^^^^^^^^^^^^^^^^^ + +This example setups a PVP topology and routes traffic to the VM based on +the destination IP address. A command-line parameter is used to select a Linux +bridge as a guest loopback application. It is also possible to select a guest +loopback application by a configuration option ``GUEST_LOOPBACK``. + +.. code-block:: python + + { + "Name": "ex_pvp_rule_l3da", + "Description": "PVP with flow on L3 Dest Addr", + "Deployment": "clean", + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 + ['vswitch', 'add_vport', 'int_br0'], # STEP 4 + # Setup Flows + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_dst': '90.90.90.90', \ + 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], + # Each pkt from the VM is forwarded to the 2nd dpdk port + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + # Start VMs + ['vnf1', 'start'], + ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ + 'bidir' : 'False'}], + ['vnf1', 'stop'], + # Clean up + ['vswitch', 'dump_flows', 'int_br0'], # STEP 10 + ['vswitch', 'del_flow', 'int_br0'], # STEP 11 + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 ports + ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --test-params \ + "GUEST_LOOPBACK=['linux_bridge']" --integration ex_pvp_rule_l3da + +Forward packets based on UDP port +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This examples launches 2 VMs connected in parallel. +Incoming packets will be forwarded to one specific VM depending on the +destination UDP port. + +.. code-block:: python + + { + "Name": "ex_2pvp_rule_l4dp", + "Description": "2 PVP with flows on L4 Dest Port", + "Deployment": "clean", + "Stream Type": "L4", # loop UDP ports + "MultiStream": 2, + "TestSteps": [ + ['vswitch', 'add_switch', 'int_br0'], # STEP 0 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 1 + ['vswitch', 'add_phy_port', 'int_br0'], # STEP 2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 3 vm1 + ['vswitch', 'add_vport', 'int_br0'], # STEP 4 + ['vswitch', 'add_vport', 'int_br0'], # STEP 5 vm2 + ['vswitch', 'add_vport', 'int_br0'], # STEP 6 + # Setup Flows to reply ICMPv6 and similar packets, so to + # avoid flooding internal port with their re-transmissions + ['vswitch', 'add_flow', 'int_br0', \ + {'priority': '1', 'dl_src': '00:00:00:00:00:01', \ + 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', \ + {'priority': '1', 'dl_src': '00:00:00:00:00:02', \ + 'actions': ['output:#STEP[4][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', \ + {'priority': '1', 'dl_src': '00:00:00:00:00:03', \ + 'actions': ['output:#STEP[5][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', \ + {'priority': '1', 'dl_src': '00:00:00:00:00:04', \ + 'actions': ['output:#STEP[6][1]'], 'idle_timeout': '0'}], + # Forward UDP packets depending on dest port + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '0', \ + 'actions': ['output:#STEP[3][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[1][1]', \ + 'dl_type': '0x0800', 'nw_proto': '17', 'udp_dst': '1', \ + 'actions': ['output:#STEP[5][1]'], 'idle_timeout': '0'}], + # Send VM output to phy port #2 + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[4][1]', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'int_br0', {'in_port': '#STEP[6][1]', \ + 'actions': ['output:#STEP[2][1]'], 'idle_timeout': '0'}], + # Start VMs + ['vnf1', 'start'], # STEP 16 + ['vnf2', 'start'], # STEP 17 + ['trafficgen', 'send_traffic', {'traffic_type' : 'continuous', \ + 'bidir' : 'False'}], + ['vnf1', 'stop'], + ['vnf2', 'stop'], + ['vswitch', 'dump_flows', 'int_br0'], + # Clean up + ['vswitch', 'del_flow', 'int_br0'], + ['vswitch', 'del_port', 'int_br0', '#STEP[1][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[2][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[3][0]'], # vm1 ports + ['vswitch', 'del_port', 'int_br0', '#STEP[4][0]'], + ['vswitch', 'del_port', 'int_br0', '#STEP[5][0]'], # vm2 ports + ['vswitch', 'del_port', 'int_br0', '#STEP[6][0]'], + ['vswitch', 'del_switch', 'int_br0'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py --integration ex_2pvp_rule_l4dp + +Modification of existing PVVP deployment +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This is an example of modification of a standard deployment scenario with additional TestSteps. +Standard PVVP scenario is used to configure a vSwitch and to deploy two VNFs connected +in series. Additional TestSteps will deploy a 3rd VNF and connect it in parallel to +already configured VNFs. Traffic generator is instructed (by Multistream feature) to send +two separate traffic streams. One stream will be sent to the standalone VNF and second +to two chained VNFs. + +In case, that test is defined as a performance test, then traffic results will be collected +and available in both csv and rst report files. + +.. code-block:: python + + { + "Name": "pvvp_pvp_cont", + "Traffic Type": "continuous", + "Deployment": "pvvp", + "Description": "PVVP and PVP in parallel with Continuous Stream", + "biDirectional": "True", + "iLoad": "100", + "MultiStream": "2", + "TestSteps": [ + ['vswitch', 'add_vport', 'br0'], + ['vswitch', 'add_vport', 'br0'], + # priority must be higher than default 32768, otherwise flows won't match + ['vswitch', 'add_flow', 'br0', + {'in_port': '1', 'actions': ['output:#STEP[-2][1]'], 'idle_timeout': '0', 'dl_type':'0x800', + 'nw_proto':'17', 'tp_dst':'0', 'priority': '33000'}], + ['vswitch', 'add_flow', 'br0', + {'in_port': '2', 'actions': ['output:#STEP[-2][1]'], 'idle_timeout': '0', 'dl_type':'0x800', + 'nw_proto':'17', 'tp_dst':'0', 'priority': '33000'}], + ['vswitch', 'add_flow', 'br0', {'in_port': '#STEP[-4][1]', 'actions': ['output:1'], + 'idle_timeout': '0'}], + ['vswitch', 'add_flow', 'br0', {'in_port': '#STEP[-4][1]', 'actions': ['output:2'], + 'idle_timeout': '0'}], + ['vswitch', 'dump_flows', 'br0'], + ['vnf1', 'start'], + ] + }, + +To run the test: + + .. code-block:: console + + ./vsperf --conf-file user_settings.py pvvp_pvp_cont + diff --git a/docs/userguide/testusage.rst b/docs/userguide/testusage.rst index 3c5cc4d4..f446f261 100755 --- a/docs/userguide/testusage.rst +++ b/docs/userguide/testusage.rst @@ -105,14 +105,61 @@ or via another command line argument will override both the default and your custom configuration files. This "priority hierarchy" can be described like so (1 = max priority): -1. Command line arguments -2. Environment variables -3. Configuration file(s) +1. Testcase definition section ``Parameters`` +2. Command line arguments +3. Environment variables +4. Configuration file(s) Further details about configuration files evaluation and special behaviour of options with ``GUEST_`` prefix could be found at `design document <http://artifacts.opnfv.org/vswitchperf/docs/design/vswitchperf_design.html#configuration>`__. +Overriding values defined in configuration files +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The configuration items can be overridden by command line argument +``--test-params``. In this case, the configuration items and +their values should be passed in form of ``item=value`` and separated +by semicolon. + +Example: + +.. code:: console + + $ ./vsperf --test-params "TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,);" \ + "GUEST_LOOPBACK=['testpmd','l2fwd']" pvvp_tput + +The second option is to override configuration items by ``Parameters`` section +of the test case definition. The configuration items can be added into ``Parameters`` +dictionary with their new values. These values will override values defined in +configuration files or specified by ``--test-params`` command line argument. + +Example: + +.. code:: python + + "Parameters" : {'TRAFFICGEN_PKT_SIZES' : (128,), + 'TRAFFICGEN_DURATION' : 10, + 'GUEST_LOOPBACK' : ['testpmd','l2fwd'], + } + +**NOTE:** In both cases, configuration item names and their values must be specified +in the same form as they are defined inside configuration files. Parameter names +must be specified in uppercase and data types of original and new value must match. +Python syntax rules related to data types and structures must be followed. +For example, parameter ``TRAFFICGEN_PKT_SIZES`` above is defined as a tuple +with a single value ``128``. In this case trailing comma is mandatory, otherwise +value can be wrongly interpreted as a number instead of a tuple and vsperf +execution would fail. Please check configuration files for default values and their +types and use them as a basis for any customized values. In case of any doubt, please +check official python documentation related to data structures like tuples, lists +and dictionaries. + +**NOTE:** Vsperf execution will terminate with runtime error in case, that unknown +parameter name is passed via ``--test-params`` CLI argument or defined in ``Parameters`` +section of test case definition. It is also forbidden to redefine a value of +``TEST_PARAMS`` configuration item via CLI or ``Parameters`` section. + vloop_vnf ^^^^^^^^^ @@ -131,6 +178,7 @@ installation instructions for information on these images vloop_vnf forwards traffic through a VM using one of: + * DPDK testpmd * Linux Bridge * l2fwd kernel Module. @@ -147,6 +195,9 @@ IP addresses. l2fwd can be found in <vswitchperf_dir>/src/l2fwd Executing tests ^^^^^^^^^^^^^^^ +All examples inside these docs assume, that user is inside the VSPERF +directory. VSPERF can be executed from any directory. + Before running any tests make sure you have root permissions by adding the following line to /etc/sudoers: @@ -188,9 +239,9 @@ Some tests allow for configurable parameters, including test duration .. code:: bash - $ ./vsperf --conf-file user_settings.py - --tests RFC2544Tput - --test-params "duration=10;pkt_sizes=128" + $ ./vsperf --conf-file user_settings.py \ + --tests RFC2544Tput \ + --test-params "TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,)" For all available options, check out the help dialog: @@ -203,35 +254,30 @@ Executing Vanilla OVS tests 1. If needed, recompile src for all OVS variants -.. code-block:: console - - $ cd src - $ make distclean - $ make + .. code-block:: console -2. Update your ''10_custom.conf'' file to use the appropriate variables -for Vanilla OVS: + $ cd src + $ make distclean + $ make -.. code-block:: console +2. Update your ``10_custom.conf`` file to use Vanilla OVS: - VSWITCH = 'OvsVanilla' + .. code-block:: python -Where $PORT1 and $PORT2 are the Linux interfaces you'd like to bind -to the vswitch. + VSWITCH = 'OvsVanilla' 3. Run test: -.. code-block:: console + .. code-block:: console - $ ./vsperf --conf-file=<path_to_custom_conf> + $ ./vsperf --conf-file=<path_to_custom_conf> -Please note if you don't want to configure Vanilla OVS through the -configuration file, you can pass it as a CLI argument; BUT you must -set the ports. + Please note if you don't want to configure Vanilla OVS through the + configuration file, you can pass it as a CLI argument. -.. code-block:: console + .. code-block:: console - $ ./vsperf --vswitch OvsVanilla + $ ./vsperf --vswitch OvsVanilla Executing tests with VMs @@ -241,24 +287,24 @@ To run tests using vhost-user as guest access method: 1. Set VHOST_METHOD and VNF of your settings file to: -.. code-block:: console + .. code-block:: python - VSWITCH = 'OvsDpdkVhost' - VNF = 'QemuDpdkVhost' + VSWITCH = 'OvsDpdkVhost' + VNF = 'QemuDpdkVhost' 2. If needed, recompile src for all OVS variants -.. code-block:: console + .. code-block:: console - $ cd src - $ make distclean - $ make + $ cd src + $ make distclean + $ make 3. Run test: -.. code-block:: console + .. code-block:: console - $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf + $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf Executing tests with VMs using Vanilla OVS ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -267,39 +313,42 @@ To run tests using Vanilla OVS: 1. Set the following variables: -.. code-block:: console + .. code-block:: python - VSWITCH = 'OvsVanilla' - VNF = 'QemuVirtioNet' + VSWITCH = 'OvsVanilla' + VNF = 'QemuVirtioNet' - VANILLA_TGEN_PORT1_IP = n.n.n.n - VANILLA_TGEN_PORT1_MAC = nn:nn:nn:nn:nn:nn + VANILLA_TGEN_PORT1_IP = n.n.n.n + VANILLA_TGEN_PORT1_MAC = nn:nn:nn:nn:nn:nn - VANILLA_TGEN_PORT2_IP = n.n.n.n - VANILLA_TGEN_PORT2_MAC = nn:nn:nn:nn:nn:nn + VANILLA_TGEN_PORT2_IP = n.n.n.n + VANILLA_TGEN_PORT2_MAC = nn:nn:nn:nn:nn:nn - VANILLA_BRIDGE_IP = n.n.n.n + VANILLA_BRIDGE_IP = n.n.n.n - or use --test-param + or use ``--test-params`` option - $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf - --test-params "vanilla_tgen_tx_ip=n.n.n.n; - vanilla_tgen_tx_mac=nn:nn:nn:nn:nn:nn" + .. code-block:: console + $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf \ + --test-params "VANILLA_TGEN_PORT1_IP=n.n.n.n;" \ + "VANILLA_TGEN_PORT1_MAC=nn:nn:nn:nn:nn:nn;" \ + "VANILLA_TGEN_PORT2_IP=n.n.n.n;" \ + "VANILLA_TGEN_PORT2_MAC=nn:nn:nn:nn:nn:nn" 2. If needed, recompile src for all OVS variants -.. code-block:: console + .. code-block:: console - $ cd src - $ make distclean - $ make + $ cd src + $ make distclean + $ make 3. Run test: -.. code-block:: console + .. code-block:: console - $ ./vsperf --conf-file<path_to_custom_conf>/10_custom.conf + $ ./vsperf --conf-file<path_to_custom_conf>/10_custom.conf .. _vfio-pci: @@ -309,7 +358,7 @@ Using vfio_pci with DPDK To use vfio with DPDK instead of igb_uio add into your custom configuration file the following parameter: -.. code-block:: console +.. code-block:: python PATHS['dpdk']['src']['modules'] = ['uio', 'vfio-pci'] @@ -389,7 +438,7 @@ Execution of test with PCI passthrough with vswitch disabled: .. code-block:: console - $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf + $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf \ --vswitch none --vnf QemuPciPassthrough pvp_tput Any of supported guest-loopback-application_ can be used inside VM with @@ -403,19 +452,19 @@ deployment. Selection of loopback application for tests with VMs ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -To select loopback application, which will perform traffic forwarding -inside VM, following configuration parameter should be configured: +To select the loopback applications which will forward packets inside VMs, +the following parameter should be configured: -.. code-block:: console +.. code-block:: python GUEST_LOOPBACK = ['testpmd'] -or use --test-param +or use ``--test-params`` CLI argument: .. code-block:: console - $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf - --test-params "guest_loopback=testpmd" + $ ./vsperf --conf-file=<path_to_custom_conf>/10_custom.conf \ + --test-params "GUEST_LOOPBACK=['testpmd']" Supported loopback applications are: @@ -431,37 +480,69 @@ Guest loopback application must be configured, otherwise traffic will not be forwarded by VM and testcases with VM related deployments will fail. Guest loopback application is set to 'testpmd' by default. -Note: In case that only 1 or more than 2 NICs are configured for VM, +**NOTE:** In case that only 1 or more than 2 NICs are configured for VM, then 'testpmd' should be used. As it is able to forward traffic between multiple VM NIC pairs. -Note: In case of linux_bridge, all guest NICs are connected to the same +**NOTE:** In case of linux_bridge, all guest NICs are connected to the same bridge inside the guest. +Selection of dpdk binding driver for tests with VMs +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +To select dpdk binding driver, which will specify which driver the vm NICs will +use for dpdk bind, the following configuration parameter should be configured: + +.. code-block:: console + + GUEST_DPDK_BIND_DRIVER = ['igb_uio_from_src'] + +The supported dpdk guest bind drivers are: + +.. code-block:: console + + 'uio_pci_generic' - Use uio_pci_generic driver + 'igb_uio_from_src' - Build and use the igb_uio driver from the dpdk src + files + 'vfio_no_iommu' - Use vfio with no iommu option. This requires custom + guest images that support this option. The default + vloop image does not support this driver. + +Note: uio_pci_generic does not support sr-iov testcases with guests attached. +This is because uio_pci_generic only supports legacy interrupts. In case +uio_pci_generic is selected with the vnf as QemuPciPassthrough it will be +modified to use igb_uio_from_src instead. + +Note: vfio_no_iommu requires kernels equal to or greater than 4.5 and dpdk +16.04 or greater. Using this option will also taint the kernel. + +Please refer to the dpdk documents at http://dpdk.org/doc/guides for more +information on these drivers. + Multi-Queue Configuration ^^^^^^^^^^^^^^^^^^^^^^^^^ VSPerf currently supports multi-queue with the following limitations: - 1. Requires QEMU 2.5 or greater and any OVS version higher than 2.5. The - default upstream package versions installed by VSPerf satisfies this - requirement. +1. Requires QEMU 2.5 or greater and any OVS version higher than 2.5. The + default upstream package versions installed by VSPerf satisfies this + requirement. - 2. Guest image must have ethtool utility installed if using l2fwd or linux - bridge inside guest for loopback. +2. Guest image must have ethtool utility installed if using l2fwd or linux + bridge inside guest for loopback. - 3. If using OVS versions 2.5.0 or less enable old style multi-queue as shown - in the ''02_vswitch.conf'' file. +3. If using OVS versions 2.5.0 or less enable old style multi-queue as shown + in the ''02_vswitch.conf'' file. - .. code-block:: console + .. code-block:: python - OVS_OLD_STYLE_MQ = True + OVS_OLD_STYLE_MQ = True To enable multi-queue for dpdk modify the ''02_vswitch.conf'' file. - .. code-block:: console +.. code-block:: python - VSWITCH_DPDK_MULTI_QUEUES = 2 + VSWITCH_DPDK_MULTI_QUEUES = 2 **NOTE:** you should consider using the switch affinity to set a pmd cpu mask that can optimize your performance. Consider the numa of the NIC in use if this @@ -475,9 +556,9 @@ port by port option. To enable multi-queue on the guest modify the ''04_vnf.conf'' file. - .. code-block:: console +.. code-block:: python - GUEST_NIC_QUEUES = 2 + GUEST_NIC_QUEUES = [2] Enabling multi-queue at the guest will add multiple queues to each NIC port when qemu launches the guest. @@ -489,13 +570,12 @@ multi-queue on the guest is sufficient for Vanilla OVS multi-queue. Testpmd should be configured to take advantage of multi-queue on the guest if using DPDKVhostUser. This can be done by modifying the ''04_vnf.conf'' file. - .. code-block:: console - - GUEST_TESTPMD_CPU_MASK = '-l 0,1,2,3,4' +.. code-block:: python - GUEST_TESTPMD_NB_CORES = 4 - GUEST_TESTPMD_TXQ = 2 - GUEST_TESTPMD_RXQ = 2 + GUEST_TESTPMD_PARAMS = ['-l 0,1,2,3,4 -n 4 --socket-mem 512 -- ' + '--burst=64 -i --txqflags=0xf00 ' + '--nb-cores=4 --rxq=2 --txq=2 ' + '--disable-hw-vlan'] **NOTE:** The guest SMP cores must be configured to allow for testpmd to use the optimal number of cores to take advantage of the multiple guest queues. @@ -505,11 +585,11 @@ by binding vhost-net threads to cpus. This can be done by enabling the affinity in the ''04_vnf.conf'' file. This can be done to non multi-queue enabled configurations as well as there will be 2 vhost-net threads. - .. code-block:: console +.. code-block:: python - VSWITCH_VHOST_NET_AFFINITIZATION = True + VSWITCH_VHOST_NET_AFFINITIZATION = True - VSWITCH_VHOST_CPU_MAP = [4,5,8,11] + VSWITCH_VHOST_CPU_MAP = [4,5,8,11] **NOTE:** This method of binding would require a custom script in a real environment. @@ -521,51 +601,53 @@ assigned at least (nb_cores +1) total cores with the cpu mask. Executing Packet Forwarding tests ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -To select application, which will perform packet forwarding, -following configuration parameter should be configured: +To select the applications which will forward packets, +the following parameters should be configured: - .. code-block:: console +.. code-block:: python + + VSWITCH = 'none' + PKTFWD = 'TestPMD' - VSWITCH = 'none' - PKTFWD = 'TestPMD' +or use ``--vswitch`` and ``--fwdapp`` CLI arguments: - or use --vswitch and --fwdapp +.. code-block:: console - $ ./vsperf --conf-file user_settings.py - --vswitch none - --fwdapp TestPMD + $ ./vsperf --conf-file user_settings.py \ + --vswitch none \ + --fwdapp TestPMD Supported Packet Forwarding applications are: - .. code-block:: console +.. code-block:: console - 'testpmd' - testpmd from dpdk + 'testpmd' - testpmd from dpdk 1. Update your ''10_custom.conf'' file to use the appropriate variables -for selected Packet Forwarder: - - .. code-block:: console - - # testpmd configuration - TESTPMD_ARGS = [] - # packet forwarding mode supported by testpmd; Please see DPDK documentation - # for comprehensive list of modes supported by your version. - # e.g. io|mac|mac_retry|macswap|flowgen|rxonly|txonly|csum|icmpecho|... - # Note: Option "mac_retry" has been changed to "mac retry" since DPDK v16.07 - TESTPMD_FWD_MODE = 'csum' - # checksum calculation layer: ip|udp|tcp|sctp|outer-ip - TESTPMD_CSUM_LAYER = 'ip' - # checksum calculation place: hw (hardware) | sw (software) - TESTPMD_CSUM_CALC = 'sw' - # recognize tunnel headers: on|off - TESTPMD_CSUM_PARSE_TUNNEL = 'off' + for selected Packet Forwarder: + + .. code-block:: python + + # testpmd configuration + TESTPMD_ARGS = [] + # packet forwarding mode supported by testpmd; Please see DPDK documentation + # for comprehensive list of modes supported by your version. + # e.g. io|mac|mac_retry|macswap|flowgen|rxonly|txonly|csum|icmpecho|... + # Note: Option "mac_retry" has been changed to "mac retry" since DPDK v16.07 + TESTPMD_FWD_MODE = 'csum' + # checksum calculation layer: ip|udp|tcp|sctp|outer-ip + TESTPMD_CSUM_LAYER = 'ip' + # checksum calculation place: hw (hardware) | sw (software) + TESTPMD_CSUM_CALC = 'sw' + # recognize tunnel headers: on|off + TESTPMD_CSUM_PARSE_TUNNEL = 'off' 2. Run test: - .. code-block:: console + .. code-block:: console - $ ./vsperf --conf-file <path_to_settings_py> + $ ./vsperf --conf-file <path_to_settings_py> VSPERF modes of operation ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -587,7 +669,7 @@ Mode of operation is driven by configuration parameter -m or --mode "trafficgen-pause" - execute vSwitch and VNF but wait before traffic transmission In case, that VSPERF is executed in "trafficgen" mode, then configuration -of traffic generator should be configured through --test-params option. +of traffic generator should be configured through ``--test-params`` option. Supported CLI options useful for traffic generator configuration are: .. code-block:: console @@ -614,7 +696,7 @@ Example of execution of VSPERF in "trafficgen" mode: .. code-block:: console - $ ./vsperf -m trafficgen --trafficgen IxNet --conf-file vsperf.conf + $ ./vsperf -m trafficgen --trafficgen IxNet --conf-file vsperf.conf \ --test-params "traffic_type=continuous;bidirectional=True;iload=60" Code change verification by pylint @@ -650,7 +732,7 @@ By default the vswitchd is launched with 1Gb of memory, to change this, modify --socket-mem parameter in conf/02_vswitch.conf to allocate an appropriate amount of memory: -.. code-block:: console +.. code-block:: python VSWITCHD_DPDK_ARGS = ['-c', '0x4', '-n', '4', '--socket-mem 1024,0'] VSWITCHD_DPDK_CONFIG = { |