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
unit_rate = str(rate) + self.get_rate_type_str()
tg_instance.trex_stl_start_remote_exec(self.get_duration(),
unit_rate, frame_size,
- traffic_type, False)
+ traffic_type)
+ # Get latency stats from stream
+ self._latency_stats = tg_instance.get_latency()
+
loss = tg_instance.get_loss()
sent = tg_instance.get_sent()
if self.loss_acceptance_type_is_percentage():
self._result = None
self._loss = None
self._sent = None
+ self._latency = None
self._received = None
self._node = None
# T-REX interface order mapping
"""
return self._received
+ def get_latency(self):
+ """Return min/avg/max latency.
+
+ :return: Latency stats.
+ :rtype: list
+ """
+ return self._latency
+
#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-2.02"
-
topo = Topology()
if tg_node['type'] != NodeType.TG:
self._node = tg_node
if tg_node['subtype'] == NodeSubTypeTG.TREX:
+ trex_path = "/opt/trex-core-2.06"
+
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")
"- port_limit : 2\n"
" version : 2\n"
" interfaces : [\"{}\",\"{}\"]\n"
- " port_bandwidth_gb : 10\n"
" port_info :\n"
" - dest_mac : [{}]\n"
" src_mac : [{}]\n"
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)
raise RuntimeError('T-rex stateless runtime error')
def trex_stl_start_remote_exec(self, duration, rate, framesize,
- traffic_type, async_call, warmup_time=5):
+ traffic_type, async_call=False,
+ latency=True, warmup_time=5):
"""Execute script on remote node over ssh to start traffic.
:param duration: Time expresed in seconds for how long to send traffic.
:param framesize: L2 frame size to send (without padding and IPG).
:param traffic_type: Traffic profile.
:param async_call: If enabled then don't wait for all incomming trafic.
+ :param latency: With latency measurement.
:param warmup_time: Warmup time period.
:type duration: int
:type rate: str
:type framesize: int
:type traffic_type: str
:type async_call: bool
+ :type latency: bool
:type warmup_time: int
:return: Nothing
"""
_p0 = 1
_p1 = 2
- _async = ""
+ _async = "--async" if async_call else ""
+ _latency = "--latency" if latency else ""
- if async_call:
- _async = "--async"
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 "
- "--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,
- _p1, _async, warmup_time),
+ "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} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ 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,
- _p1, _async, warmup_time),
+ "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} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ warmup_time),
+ timeout=int(duration)+60)
+ elif traffic_type in ["3-node-IPv4-dst-10000"]:
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} "
+ "--p{4}_src_start_ip 10.0.0.1 "
+ "--p{4}_dst_start_ip 20.0.0.0 "
+ "--p{4}_dst_end_ip 20.0.39.15 "
+ "--p{5}_src_start_ip 20.0.0.1 "
+ "--p{5}_dst_start_ip 10.0.0.0 "
+ "--p{5}_dst_end_ip 10.0.39.15 "
+ "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ warmup_time),
+ timeout=int(duration)+60)
+ elif traffic_type in ["3-node-IPv4-dst-100000"]:
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} "
+ "--p{4}_src_start_ip 10.0.0.1 "
+ "--p{4}_dst_start_ip 20.0.0.0 "
+ "--p{4}_dst_end_ip 20.1.134.159 "
+ "--p{5}_src_start_ip 20.0.0.1 "
+ "--p{5}_dst_start_ip 10.0.0.0 "
+ "--p{5}_dst_end_ip 10.1.134.159 "
+ "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ warmup_time),
+ timeout=int(duration)+60)
+ elif traffic_type in ["3-node-IPv4-dst-1000000"]:
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+ "--duration={1} -r {2} -s {3} "
+ "--p{4}_src_start_ip 10.0.0.1 "
+ "--p{4}_dst_start_ip 20.0.0.0 "
+ "--p{4}_dst_end_ip 20.15.66.63 "
+ "--p{5}_src_start_ip 20.0.0.1 "
+ "--p{5}_dst_start_ip 10.0.0.0 "
+ "--p{5}_dst_end_ip 10.15.66.63 "
+ "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ 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,
- _p1, _async, warmup_time),
+ "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} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+ duration, rate, framesize,
+ _p0, _p1, _async, _latency,
+ warmup_time),
timeout=int(duration)+60)
else:
raise NotImplementedError('Unsupported traffic type')
self._received = None
self._sent = None
self._loss = None
+ self._latency = None
else:
# last line from console output
line = stdout.splitlines()[-1]
self._received = self._result.split(', ')[1].split('=')[1]
self._sent = self._result.split(', ')[2].split('=')[1]
self._loss = self._result.split(', ')[3].split('=')[1]
+ self._latency = []
+ self._latency.append(self._result.split(', ')[4].split('=')[1])
+ self._latency.append(self._result.split(', ')[5].split('=')[1])
def stop_traffic_on_tg(self):
"""Stop all traffic on TG
self.trex_stl_stop_remote_exec(self._node)
def send_traffic_on_tg(self, duration, rate, framesize,
- traffic_type, warmup_time=5, async_call=False):
+ traffic_type, warmup_time=5, async_call=False,
+ latency=True):
"""Send traffic from all configured interfaces on TG.
:param duration: Duration of test traffic generation in seconds.
:param rate: Offered load per interface (e.g. 1%, 3gbps, 4mpps, ...).
:param framesize: Frame size (L2) in Bytes.
:param traffic_type: Traffic profile.
+ :param latency: With latency measurement.
:type duration: str
:type rate: str
:type framesize: str
:type traffic_type: str
+ :type latency: bool
:return: TG output.
:rtype: str
"""
raise Exception('TG subtype not defined')
elif node['subtype'] == NodeSubTypeTG.TREX:
self.trex_stl_start_remote_exec(duration, rate, framesize,
- traffic_type, async_call,
+ traffic_type, async_call, latency,
warmup_time=warmup_time)
else:
raise NotImplementedError("TG subtype not supported")
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