X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FTrafficGenerator.py;h=a640c1d80abd9020c9d9bd8aa285e3c61361805d;hp=267f5d2f0378bafac504fa8d3a5533273f849e81;hb=e3f6b21b75b5d579ce3080a1f173828fc59270bf;hpb=5460988e99fddda2dd2d5a58e4b8a92851d3c427 diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py index 267f5d2f03..a640c1d80a 100644 --- a/resources/libraries/python/TrafficGenerator.py +++ b/resources/libraries/python/TrafficGenerator.py @@ -16,6 +16,7 @@ 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 @@ -45,7 +46,10 @@ class TGDropRateSearchImpl(DropRateSearch): 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(): @@ -73,6 +77,7 @@ class TrafficGenerator(object): self._result = None self._loss = None self._sent = None + self._latency = None self._received = None self._node = None # T-REX interface order mapping @@ -102,38 +107,40 @@ class TrafficGenerator(object): """ 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: @@ -141,9 +148,20 @@ class TrafficGenerator(object): 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) @@ -153,8 +171,10 @@ class TrafficGenerator(object): 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") @@ -174,7 +194,6 @@ class TrafficGenerator(object): "- port_limit : 2\n" " version : 2\n" " interfaces : [\"{}\",\"{}\"]\n" - " port_bandwidth_gb : 10\n" " port_info :\n" " - dest_mac : [{}]\n" " src_mac : [{}]\n" @@ -190,23 +209,40 @@ class TrafficGenerator(object): 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): @@ -239,8 +275,8 @@ class TrafficGenerator(object): 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) @@ -249,7 +285,8 @@ class TrafficGenerator(object): 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. @@ -257,12 +294,14 @@ class TrafficGenerator(object): :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 """ @@ -271,54 +310,101 @@ class TrafficGenerator(object): _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') @@ -334,6 +420,7 @@ class TrafficGenerator(object): self._received = None self._sent = None self._loss = None + self._latency = None else: # last line from console output line = stdout.splitlines()[-1] @@ -344,6 +431,9 @@ class TrafficGenerator(object): 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 @@ -356,17 +446,20 @@ class TrafficGenerator(object): 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 """ @@ -382,7 +475,7 @@ class TrafficGenerator(object): 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")