diff options
Diffstat (limited to 'resources/libraries/python/TrafficGenerator.py')
| -rw-r--r-- | resources/libraries/python/TrafficGenerator.py | 149 |
1 files changed, 93 insertions, 56 deletions
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py index 9c66982bb2..fb9ae4db1c 100644 --- a/resources/libraries/python/TrafficGenerator.py +++ b/resources/libraries/python/TrafficGenerator.py @@ -25,6 +25,8 @@ __all__ = ['TrafficGenerator'] class TrafficGenerator(object): """Traffic Generator""" + ROBOT_LIBRARY_SCOPE = 'TEST SUITE' + def __init__(self): self._result = None self._loss = None @@ -33,15 +35,30 @@ class TrafficGenerator(object): #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 """ @@ -50,48 +67,55 @@ class TrafficGenerator(object): 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/ && " @@ -124,6 +148,9 @@ class TrafficGenerator(object): 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): @@ -155,28 +182,38 @@ class TrafficGenerator(object): 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') |