from robot.api import logger
from robot.libraries.BuiltIn import BuiltIn
+from resources.libraries.python.constants import Constants
from resources.libraries.python.ssh import SSH
from resources.libraries.python.topology import NodeType
from resources.libraries.python.topology import NodeSubTypeTG
tg_instance.trex_stl_start_remote_exec(self.get_duration(),
unit_rate, frame_size,
traffic_type, False)
-
- # TODO: getters for tg_instance and loss_acceptance_type
- logger.trace("comparing: {} < {} ".format(tg_instance._loss,
- loss_acceptance))
- if float(tg_instance._loss) > float(loss_acceptance):
+ loss = tg_instance.get_loss()
+ sent = tg_instance.get_sent()
+ if self.loss_acceptance_type_is_percentage():
+ loss = (float(loss) / float(sent)) * 100
+
+ # TODO: getters for tg_instance
+ logger.trace("comparing: {} < {} {}".format(loss,
+ loss_acceptance,
+ loss_acceptance_type))
+ if float(loss) > float(loss_acceptance):
return False
else:
return True
# T-REX interface order mapping
self._ifaces_reordered = 0
+ def get_loss(self):
+ """Return number of lost packets.
+
+ :return: Number of lost packets.
+ :rtype: str
+ """
+ return self._loss
+
+ def get_sent(self):
+ """Return number of sent packets.
+
+ :return: Number of sent packets.
+ :rtype: str
+ """
+ return self._sent
+
+ def get_received(self):
+ """Return number of received packets.
+
+ :return: Number of received packets.
+ :rtype: str
+ """
+ return self._received
+
#pylint: disable=too-many-arguments, too-many-locals
def initialize_traffic_generator(self, tg_node, tg_if1, tg_if2,
- dut1_node, dut1_if1, dut1_if2,
- dut2_node, dut2_if1, dut2_if2,
+ tg_if1_adj_node, tg_if1_adj_if,
+ tg_if2_adj_node, tg_if2_adj_if,
test_type):
"""TG initialization.
: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.
+ :param tg_if1_adj_node: TG if1 adjecent node.
+ :param tg_if1_adj_if: TG if1 adjecent interface.
+ :param tg_if2_adj_node: TG if2 adjecent node.
+ :param tg_if2_adj_if: TG if2 adjecent interface.
:test_type: 'L2' or 'L3' - src/dst MAC address.
: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 tg_if1_adj_node: dict
+ :type tg_if1_adj_if: str
+ :type tg_if2_adj_node: dict
+ :type tg_if2_adj_if: str
:type test_type: str
:return: nothing
"""
- trex_path = "/opt/trex-core-2.00"
-
topo = Topology()
if tg_node['type'] != NodeType.TG:
self._node = tg_node
if tg_node['subtype'] == NodeSubTypeTG.TREX:
+ trex_path = "/opt/trex-core-2.03"
+
ssh = SSH()
ssh.connect(tg_node)
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sudo sh -c '{}/resources/tools/t-rex/"
+ "t-rex-installer.sh'".format(Constants.REMOTE_FW_DIR),
+ timeout=1800)
+ if int(ret) != 0:
+ logger.error('trex installation failed: {0}'.format(
+ stdout + stderr))
+ raise RuntimeError('Installation of TG failed')
+
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)
if1_adj_mac = if2_mac
if2_adj_mac = if1_mac
elif test_type == 'L3':
- if1_adj_mac = topo.get_interface_mac(dut1_node, dut1_if1)
- if2_adj_mac = topo.get_interface_mac(dut2_node, dut2_if2)
+ if1_adj_mac = topo.get_interface_mac(tg_if1_adj_node,
+ tg_if1_adj_if)
+ if2_adj_mac = topo.get_interface_mac(tg_if2_adj_node,
+ tg_if2_adj_if)
else:
raise Exception("test_type unknown")
raise RuntimeError('trex config generation error')
(ret, stdout, stderr) = ssh.exec_command(
- "sh -c 'cd {0}/scripts/ && "
- "sudo ./trex-cfg'"\
- .format(trex_path))
+ "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 'pgrep t-rex && sudo pkill t-rex'")
+ max_startup_retries = 3
+ while max_startup_retries > 0:
+ # kill T-rex only if it is already running
+ (ret, _, _) = ssh.exec_command(
+ "sh -c 'pgrep t-rex && sudo pkill t-rex'")
+
+ # start T-rex
+ (ret, _, _) = ssh.exec_command(
+ "sh -c 'cd {0}/scripts/ && "
+ "sudo nohup ./t-rex-64 -i -c 7 --iom 0 > /dev/null 2>&1 &'"
+ "> /dev/null"\
+ .format(trex_path))
+ if int(ret) != 0:
+ raise RuntimeError('t-rex-64 startup failed')
+
+ # get T-rex server info
+ (ret, _, _) = ssh.exec_command(
+ "sh -c '{0}/resources/tools/t-rex/t-rex-server-info.py'"\
+ .format(Constants.REMOTE_FW_DIR),
+ timeout=120)
+ if int(ret) == 0:
+ # If we get info T-rex is running
+ return
+ # try again
+ max_startup_retries -= 1
+ # after max retries T-rex is still not responding to API
+ # critical error occured
+ raise RuntimeError('t-rex-64 startup failed')
- (ret, _, _) = ssh.exec_command(
- "sh -c 'cd {0}/scripts/ && "
- "sudo nohup ./t-rex-64 -i -c 7 --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):
ssh.connect(node)
(ret, stdout, stderr) = ssh.exec_command(
- "sh -c '/tmp/openvpp-testing/resources/tools/t-rex/"
- "t-rex-stateless-stop.py'")
+ "sh -c '{}/resources/tools/t-rex/"
+ "t-rex-stateless-stop.py'".format(Constants.REMOTE_FW_DIR))
logger.trace(ret)
logger.trace(stdout)
logger.trace(stderr)
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 "
- "--duration={0} -r {1} -s {2} "
- "--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 "
- "{5} --warmup_time={6}'".format(duration, rate, framesize, _p0,
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} "
+ "--p{4}_src_start_ip 10.10.10.1 "
+ "--p{4}_src_end_ip 10.10.10.254 "
+ "--p{4}_dst_start_ip 20.20.20.1 "
+ "--p{5}_src_start_ip 20.20.20.1 "
+ "--p{5}_src_end_ip 20.20.20.254 "
+ "--p{5}_dst_start_ip 10.10.10.1 "
+ "{6} --warmup_time={7}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize, _p0,
_p1, _async, warmup_time),
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 "
- "--duration={0} -r {1} -s {2} "
- "--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 "
- "{5} --warmup_time={6}'".format(duration, rate, framesize, _p0,
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} "
+ "--p{4}_src_start_ip 10.10.10.2 "
+ "--p{4}_src_end_ip 10.10.10.254 "
+ "--p{4}_dst_start_ip 20.20.20.2 "
+ "--p{5}_src_start_ip 20.20.20.2 "
+ "--p{5}_src_end_ip 20.20.20.254 "
+ "--p{5}_dst_start_ip 10.10.10.2 "
+ "{6} --warmup_time={7}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize, _p0,
_p1, _async, warmup_time),
timeout=int(duration)+60)
elif traffic_type in ["3-node-IPv6"]:
(ret, stdout, stderr) = ssh.exec_command(
- "sh -c '/tmp/openvpp-testing/resources/tools/t-rex/"
- "t-rex-stateless.py "
- "--duration={0} -r {1} -s {2} -6 "
- "--p{3}_src_start_ip 2001:1::2 "
- "--p{3}_src_end_ip 2001:1::FE "
- "--p{3}_dst_start_ip 2001:2::2 "
- "--p{4}_src_start_ip 2001:2::2 "
- "--p{4}_src_end_ip 2001:2::FE "
- "--p{4}_dst_start_ip 2001:1::2 "
- "{5} --warmup_time={6}'".format(duration, rate, framesize, _p0,
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} -6 "
+ "--p{4}_src_start_ip 2001:1::2 "
+ "--p{4}_src_end_ip 2001:1::FE "
+ "--p{4}_dst_start_ip 2001:2::2 "
+ "--p{5}_src_start_ip 2001:2::2 "
+ "--p{5}_src_end_ip 2001:2::FE "
+ "--p{5}_dst_start_ip 2001:1::2 "
+ "{6} --warmup_time={7}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize, _p0,
_p1, _async, warmup_time),
timeout=int(duration)+60)
else:
return self._result
def no_traffic_loss_occurred(self):
- """Fail is loss occurred in traffic run.
+ """Fail if loss occurred in traffic run.
:return: nothing
"""
raise Exception('The traffic generation has not been issued')
if self._loss != '0':
raise Exception('Traffic loss occurred: {0}'.format(self._loss))
+
+ def partial_traffic_loss_accepted(self, loss_acceptance,
+ loss_acceptance_type):
+ """Fail if loss is higher then accepted in traffic run.
+
+ :return: nothing
+ """
+ if self._loss is None:
+ raise Exception('The traffic generation has not been issued')
+
+ if loss_acceptance_type == 'percentage':
+ loss = (float(self._loss) / float(self._sent)) * 100
+ elif loss_acceptance_type == 'frames':
+ loss = float(self._loss)
+ else:
+ raise Exception('Loss acceptance type not supported')
+
+ if loss > float(loss_acceptance):
+ raise Exception("Traffic loss {} above loss acceptance: {}".format(
+ loss, loss_acceptance))