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-.. 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:
-
-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 :ref:`Traffic Generator Integration Guide
-          <step-5-supported-traffic-types>`
-
-        Examples:
-
-        .. code-block:: python
-
-            ['trafficgen', 'send_traffic', {'traffic_type' : 'rfc2544_throughput'}]
-
-            ['trafficgen', 'send_traffic', {'traffic_type' : 'rfc2544_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' : 'rfc2544_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",
-        "Parameters": {
-            'TRAFFIC' : {
-                "multistream": 4,
-                "stream_type": "L4",
-            },
-        },
-        "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' : 'rfc2544_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' : 'rfc2544_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",
-        "Parameters": {
-            'TRAFFIC' : {
-                "multistream": 2,
-                "stream_type": "L4",
-            },
-        },
-        "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' : 'rfc2544_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",
-        "Deployment": "pvvp",
-        "Description": "PVVP and PVP in parallel with Continuous Stream",
-        "Parameters" : {
-            "TRAFFIC" : {
-                "traffic_type" : "rfc2544_continuous",
-                "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':'0x0800',
-                                                      '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':'0x0800',
-                                                      '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
-