T-REX: change relative rate values to absolute units

[csit.git] / resources / libraries / python / TrafficGenerator.py

diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index 24bec0a..4b71b59 100644 (file)
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -11,14 +11,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Traffic generator library."""
+"""Performance testing traffic generator library."""
 
 from robot.api import logger
 
 from resources.libraries.python.ssh import SSH
 from resources.libraries.python.topology import NodeType
 from resources.libraries.python.topology import NodeSubTypeTG
-from resources.libraries.python.topology import Topology
 
 __all__ = ['TrafficGenerator']
 
@@ -43,6 +42,8 @@ class TrafficGenerator(object):
         :return: nothing
         """
 
+        trex_path = "/opt/trex-core-1.91"
+
         if node['type'] != NodeType.TG:
             raise Exception('Node type is not a TG')
         if node['subtype'] == NodeSubTypeTG.TREX:
@@ -50,11 +51,15 @@ class TrafficGenerator(object):
             ssh.connect(node)
 
             (ret, stdout, stderr) = ssh.exec_command(
-                "sh -c 'cd /opt/trex-core-1.88/scripts/ && "
-                "--bind=igb_uio {0} {1}".format(interface1, interface2))
+                "sh -c 'cd {0}/scripts/ && "
+                "sudo ./trex-cfg'"\
+                .format(trex_path))
+
             (ret, stdout, stderr) = ssh.exec_command(
-                "sh -c 'cd /opt/trex-core-1.88/scripts/ && "
-                "sudo nohup ./t-rex-64 -i -c 4 --iom 0 > /dev/null 2>&1 &'")
+                "sh -c 'cd {0}/scripts/ && "
+                "sudo nohup ./t-rex-64 -i -c 4 --iom 0 > /dev/null 2>&1 &'"
+                "> /dev/null"\
+                .format(trex_path))
 
     @staticmethod
     def teardown_traffic_generator(node):
@@ -78,7 +83,7 @@ class TrafficGenerator(object):
         :param nodes_info: Dictionary containing information on all nodes
         in topology.
         :param duration: Duration of test traffic generation in seconds
-        :param rate: Percentage of linerate
+        :param rate: Offered load per interface (e.g. 1%, 3gbps, 4mpps, ...)
         :param framesize: Frame size (L2) in Bytes
         :param traffic_type: Traffic profile
         :type nodes_info: dict
@@ -101,55 +106,30 @@ class TrafficGenerator(object):
         ssh = SSH()
         ssh.connect(node)
 
-        tg_port3_src_mac = Topology.get_interface_mac_by_port_key(node, "port3")
-        _, adj_int = Topology.\
-            get_adjacent_node_and_interface_by_key(nodes_info, node, "port3")
-        tg_port3_dst_mac = adj_int['mac_address']
-
-        tg_port5_src_mac = Topology.get_interface_mac_by_port_key(node, "port5")
-        _, adj_int = Topology.\
-            get_adjacent_node_and_interface_by_key(nodes_info, node, "port5")
-        tg_port5_dst_mac = adj_int['mac_address']
-
-
         if node['subtype'] == NodeSubTypeTG.TREX:
             if traffic_type in ["3-node-xconnect", "3-node-bridge"]:
                 (ret, stdout, stderr) = ssh.exec_command(
                     "sh -c '/tmp/openvpp-testing/resources/tools/t-rex-stateless.py "
-                    "-d {0} -r {1}% -s {2} "
-                    "--p1_src_mac 52:00:00:00:00:01 "
-                    "--p1_dst_mac 52:00:00:00:00:02 "
+                    "-d {0} -r {1} -s {2} "
                     "--p1_src_start_ip 10.10.10.1 "
                     "--p1_src_end_ip 10.10.10.254 "
                     "--p1_dst_start_ip 20.20.20.1 "
-                    "--p1_dst_end_ip 20.20.20.254 "
-                    "--p2_src_mac 52:00:00:00:00:02 "
-                    "--p2_dst_mac 52:00:00:00:00:01 "
                     "--p2_src_start_ip 20.20.20.1 "
                     "--p2_src_end_ip 20.20.20.254 "
-                    "--p2_dst_start_ip 10.10.10.1 "
-                    "--p2_dst_end_ip 10.10.10.254'".\
+                    "--p2_dst_start_ip 10.10.10.1'".\
                     format(duration, rate, framesize), timeout=int(duration)+60)
             elif traffic_type in ["3-node-IPv4"]:
                 (ret, stdout, stderr) = ssh.exec_command(
                     "sh -c '/tmp/openvpp-testing/resources/tools/t-rex-stateless.py "
-                    "-d {0} -r {1}% -s {2} "
-                    "--p1_src_mac {3} "
-                    "--p1_dst_mac {4} "
+                    "-d {0} -r {1} -s {2} "
                     "--p1_src_start_ip 10.10.10.2 "
                     "--p1_src_end_ip 10.10.10.254 "
                     "--p1_dst_start_ip 20.20.20.2 "
-                    "--p1_dst_end_ip 20.20.20.2 "
-                    "--p2_src_mac {5} "
-                    "--p2_dst_mac {6} "
                     "--p2_src_start_ip 20.20.20.2 "
                     "--p2_src_end_ip 20.20.20.254 "
-                    "--p2_dst_start_ip 10.10.10.2 "
-                    "--p2_dst_end_ip 10.10.10.2'".\
-                    format(duration, rate, framesize,\
-                           tg_port3_src_mac, tg_port3_dst_mac,\
-                           tg_port5_src_mac, tg_port5_dst_mac),\
-                           timeout=int(duration)+60)
+                    "--p2_dst_start_ip 10.10.10.2'".\
+                    format(duration, rate, framesize),\
+                    timeout=int(duration)+60)
             else:
                 raise NotImplementedError('Unsupported traffic type')