# 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
self._loss = None
self._sent = None
self._received = None
+ #T-REX interface order mapping
+ self._ifaces_reordered = 0
- @staticmethod
- def initialize_traffic_generator(node, interface1, interface2):
+ def initialize_traffic_generator(self, node, interface1, interface2, test_type):
"""TG initialization
:param node: Traffic generator node
- :param interface1: PCI address of first interface
- :param interface2: PCI address of second interface
+ :param interface1: interface name of first interface
+ :param interface2: interface name of second interface
+ :test_type: 'L2' or 'L3' - src/dst MAC address
:type node: dict
:type interface1: str
:type interface2: str
+ :type test_type: str
:return: nothing
"""
+ trex_path = "/opt/trex-core-1.91"
+
+ topo = Topology()
+
if node['type'] != NodeType.TG:
raise Exception('Node type is not a TG')
if node['subtype'] == NodeSubTypeTG.TREX:
ssh = SSH()
ssh.connect(node)
+ iface1_pci = topo.get_interface_pci_addr(node, interface1)
+ iface2_pci = topo.get_interface_pci_addr(node, interface2)
+ iface1_mac = topo.get_interface_mac(node, interface1)
+ iface2_mac = topo.get_interface_mac(node, interface2)
+ if min(iface1_pci, iface2_pci) != iface1_pci:
+ iface1_mac, iface2_mac = iface2_mac, iface1_mac
+ iface1_pci, iface2_pci = iface2_pci, iface1_pci
+ self._ifaces_reordered = 1
+
+ iface1_mac_hex = "0x"+iface1_mac.replace(":", ",0x")
+ iface2_mac_hex = "0x"+iface2_mac.replace(":", ",0x")
+
+ if test_type == 'L2':
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sudo sh -c 'cat << EOF > /etc/trex_cfg.yaml\n"
+ "- port_limit : 2\n"
+ " version : 2\n"
+ " interfaces : [\"{}\",\"{}\"]\n"
+ " port_info :\n"
+ " - dest_mac : [{}]\n"
+ " src_mac : [{}]\n"
+ " - dest_mac : [{}]\n"
+ " src_mac : [{}]\n"
+ "EOF'"\
+ .format(iface1_pci, iface2_pci,
+ iface2_mac_hex, iface1_mac_hex,
+ iface1_mac_hex, iface2_mac_hex))
+ if int(ret) != 0:
+ logger.error("failed to create t-rex config: {}"\
+ .format(stdout + stderr))
+ raise RuntimeError('trex config generation error')
+ elif test_type == 'L3':
+ raise NotImplementedError("L3 test_type not supported")
+ else:
+ raise Exception("test_type unknown")
+
+
(ret, stdout, stderr) = ssh.exec_command(
- "sh -c 'cd /opt/trex-core-1.88/scripts/ && "
- "--bind=igb_uio {0} {1}".format(interface1, interface2))
- (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 ./trex-cfg'"\
+ .format(trex_path))
+ if int(ret) != 0:
+ logger.error('trex-cfg failed: {0}'.format(stdout + stderr))
+ raise RuntimeError('trex-cfg failed')
+
+ (ret, _, _) = ssh.exec_command(
+ "sh -c 'cd {0}/scripts/ && "
+ "sudo nohup ./t-rex-64 -i -c 4 --iom 0 > /dev/null 2>&1 &'"
+ "> /dev/null"\
+ .format(trex_path))
+ if int(ret) != 0:
+ raise RuntimeError('t-rex-64 startup failed')
@staticmethod
def teardown_traffic_generator(node):
: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
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 "
+ "sh -c '/tmp/openvpp-testing/resources/tools/t-rex/t-rex-stateless.py "
+ "-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} "
+ "sh -c '/tmp/openvpp-testing/resources/tools/t-rex/t-rex-stateless.py "
+ "-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')
Code Review / csit.git / blobdiff