class TrafficGenerator(object):
"""Traffic Generator"""
+ ROBOT_LIBRARY_SCOPE = 'TEST SUITE'
+
def __init__(self):
self._result = None
self._loss = None
#T-REX interface order mapping
self._ifaces_reordered = 0
- def initialize_traffic_generator(self, node, interface1, interface2, test_type):
+ def initialize_traffic_generator(self, tg_node, tg_if1, tg_if2,
+ dut1_node, dut1_if1, dut1_if2,
+ dut2_node, dut2_if1, dut2_if2,
+ test_type):
"""TG initialization
- :param node: Traffic generator node
- :param interface1: interface name of first interface
- :param interface2: interface name of second interface
+ :param tg_node: Traffic generator node
+ :param tg_if1: TG - name of first interface
+ :param tg_if2: TG - name of second interface
+ :param dut1_node: DUT1 node
+ :param dut1_if1: DUT1 - name of first interface
+ :param dut1_if2: DUT1 - name of second interface
+ :param dut2_node: DUT2 node
+ :param dut2_if1: DUT2 - name of first interface
+ :param dut2_if2: DUT2 - name of second interface
:test_type: 'L2' or 'L3' - src/dst MAC address
- :type node: dict
- :type interface1: str
- :type interface2: str
+ :type tg_node: dict
+ :type tg_if1: str
+ :type tg_if2: str
+ :type dut1_node: dict
+ :type dut1_if1: str
+ :type dut1_if2: str
+ :type dut2_node: dict
+ :type dut2_if1: str
+ :type dut2_if2: str
:type test_type: str
:return: nothing
"""
topo = Topology()
- if node['type'] != NodeType.TG:
+ if tg_node['type'] != NodeType.TG:
raise Exception('Node type is not a TG')
- if node['subtype'] == NodeSubTypeTG.TREX:
+ if tg_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
+ ssh.connect(tg_node)
- iface1_mac_hex = "0x"+iface1_mac.replace(":", ",0x")
- iface2_mac_hex = "0x"+iface2_mac.replace(":", ",0x")
+ if1_pci = topo.get_interface_pci_addr(tg_node, tg_if1)
+ if2_pci = topo.get_interface_pci_addr(tg_node, tg_if2)
+ if1_mac = topo.get_interface_mac(tg_node, tg_if1)
+ if2_mac = topo.get_interface_mac(tg_node, tg_if2)
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')
+ if1_adj_mac = if2_mac
+ if2_adj_mac = if1_mac
elif test_type == 'L3':
- raise NotImplementedError("L3 test_type not supported")
+ if1_adj_mac = topo.get_interface_mac(dut1_node, dut1_if1)
+ if2_adj_mac = topo.get_interface_mac(dut2_node, dut2_if2)
else:
raise Exception("test_type unknown")
+ if min(if1_pci, if2_pci) != if1_pci:
+ if1_mac, if2_mac = if2_mac, if1_mac
+ if1_pci, if2_pci = if2_pci, if1_pci
+ if1_adj_mac, if2_adj_mac = if2_adj_mac, if1_adj_mac
+ self._ifaces_reordered = 1
+
+ if1_mac_hex = "0x"+if1_mac.replace(":", ",0x")
+ if2_mac_hex = "0x"+if2_mac.replace(":", ",0x")
+ if1_adj_mac_hex = "0x"+if1_adj_mac.replace(":", ",0x")
+ if2_adj_mac_hex = "0x"+if2_adj_mac.replace(":", ",0x")
+
+ (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(if1_pci, if2_pci,
+ if1_adj_mac_hex, if1_mac_hex,
+ if2_adj_mac_hex, if2_mac_hex))
+ if int(ret) != 0:
+ logger.error("failed to create t-rex config: {}"\
+ .format(stdout + stderr))
+ raise RuntimeError('trex config generation error')
(ret, stdout, stderr) = ssh.exec_command(
"sh -c 'cd {0}/scripts/ && "
ssh.connect(node)
(ret, stdout, stderr) = ssh.exec_command(
"sh -c 'sudo pkill t-rex'")
+ if int(ret) != 0:
+ logger.error('pkill t-rex failed: {0}'.format(stdout + stderr))
+ raise RuntimeError('pkill t-rex failed')
def send_traffic_on(self, nodes_info, duration, rate,
framesize, traffic_type):
ssh.connect(node)
if node['subtype'] == NodeSubTypeTG.TREX:
+
+ _p0 = 1
+ _p1 = 2
+
+ if self._ifaces_reordered != 0:
+ _p0, _p1 = _p1, _p0
+
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/t-rex-stateless.py "
+ "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 "
- "--p2_src_start_ip 20.20.20.1 "
- "--p2_src_end_ip 20.20.20.254 "
- "--p2_dst_start_ip 10.10.10.1'".\
- format(duration, rate, framesize), timeout=int(duration)+60)
+ "--p{3}_src_start_ip 10.10.10.1 "
+ "--p{3}_src_end_ip 10.10.10.254 "
+ "--p{3}_dst_start_ip 20.20.20.1 "
+ "--p{4}_src_start_ip 20.20.20.1 "
+ "--p{4}_src_end_ip 20.20.20.254 "
+ "--p{4}_dst_start_ip 10.10.10.1'".\
+ format(duration, rate, framesize, _p0, _p1),\
+ 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/t-rex-stateless.py "
+ "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 "
- "--p2_src_start_ip 20.20.20.2 "
- "--p2_src_end_ip 20.20.20.254 "
- "--p2_dst_start_ip 10.10.10.2'".\
- format(duration, rate, framesize),\
+ "--p{3}_src_start_ip 10.10.10.2 "
+ "--p{3}_src_end_ip 10.10.10.254 "
+ "--p{3}_dst_start_ip 20.20.20.2 "
+ "--p{4}_src_start_ip 20.20.20.2 "
+ "--p{4}_src_end_ip 20.20.20.254 "
+ "--p{4}_dst_start_ip 10.10.10.2'".\
+ format(duration, rate, framesize, _p0, _p1),\
timeout=int(duration)+60)
else:
raise NotImplementedError('Unsupported traffic type')
Code Review / csit.git / blobdiff