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
ssh.connect(tg_node)
(ret, stdout, stderr) = ssh.exec_command(
- "sudo sh -c '/tmp/openvpp-testing/resources/tools/t-rex/"
- "t-rex-installer.sh'", timeout=300)
+ "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('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: