-# Copyright (c) 2018 Cisco and/or its affiliates.
+# Copyright (c) 2020 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
"""Traffic script executor library."""
-from resources.libraries.python.constants import Constants
+from resources.libraries.python.Constants import Constants
from resources.libraries.python.ssh import SSH
-__all__ = ['TrafficScriptExecutor']
+__all__ = [u"TrafficScriptExecutor"]
-class TrafficScriptExecutor(object):
+class TrafficScriptExecutor:
"""Traffic script executor utilities."""
@staticmethod
:returns: Escaped string.
:rtype: str
"""
- return string.replace('"', '\\"').replace("$", "\\$")
+ return string.replace(u'"', u'\\"').replace(u"$", u"\\$")
@staticmethod
- def run_traffic_script_on_node(script_file_name, node, script_args,
- timeout=60):
+ def run_traffic_script_on_node(
+ script_file_name, node, script_args, timeout=60):
"""Run traffic script on the TG node.
:param script_file_name: Traffic script name.
"""
ssh = SSH()
ssh.connect(node)
- cmd = ("cd {}; " +
- "virtualenv --system-site-packages --never-download env && " +
- "export PYTHONPATH=${{PWD}}; " +
- ". ${{PWD}}/env/bin/activate; " +
- "resources/traffic_scripts/{} {}") \
- .format(Constants.REMOTE_FW_DIR, script_file_name,
- script_args)
+ module_name = script_file_name[:-3].replace('/', '.')
+ cmd = f"cd {Constants.REMOTE_FW_DIR}; virtualenv -p $(which python3) " \
+ f"--system-site-packages --never-download env && " \
+ f"export PYTHONPATH=${{PWD}}; . ${{PWD}}/env/bin/activate; " \
+ f"cd GPL; python -m traffic_scripts.{module_name} {script_args}"
ret_code, stdout, stderr = ssh.exec_command_sudo(
- 'sh -c "{cmd}"'.format(cmd=TrafficScriptExecutor._escape(cmd)),
- timeout=timeout)
+ f'sh -c "{TrafficScriptExecutor._escape(cmd)}"', timeout=timeout
+ )
if ret_code != 0:
- if "RuntimeError: ICMP echo Rx timeout" in stderr:
- raise RuntimeError("ICMP echo Rx timeout")
- elif "RuntimeError: DHCP REQUEST Rx timeout" in stderr:
- raise RuntimeError("DHCP REQUEST Rx timeout")
- elif "RuntimeError: DHCP DISCOVER Rx timeout" in stderr:
- raise RuntimeError("DHCP DISCOVER Rx timeout")
- elif "RuntimeError: TCP/UDP Rx timeout" in stderr:
- raise RuntimeError("TCP/UDP Rx timeout")
- elif "Error occurred: ARP reply timeout" in stdout:
- raise RuntimeError("ARP reply timeout")
- elif "RuntimeError: ESP packet Rx timeout" in stderr:
- raise RuntimeError("ESP packet Rx timeout")
+ if u"RuntimeError: ICMP echo Rx timeout" in stderr:
+ msg = "ICMP echo Rx timeout"
+ elif u"RuntimeError: IP packet Rx timeout" in stderr:
+ msg = u"IP packet Rx timeout"
+ elif u"RuntimeError: DHCP REQUEST Rx timeout" in stderr:
+ msg = u"DHCP REQUEST Rx timeout"
+ elif u"RuntimeError: DHCP DISCOVER Rx timeout" in stderr:
+ msg = u"DHCP DISCOVER Rx timeout"
+ elif u"RuntimeError: TCP/UDP Rx timeout" in stderr:
+ msg = u"TCP/UDP Rx timeout"
+ elif u"Error occurred: ARP reply timeout" in stdout:
+ msg = u"ARP reply timeout"
+ elif u"RuntimeError: ESP packet Rx timeout" in stderr:
+ msg = u"ESP packet Rx timeout"
else:
- raise RuntimeError("Traffic script execution failed")
+ msg = u"Traffic script execution failed"
+ raise RuntimeError(msg)
@staticmethod
def traffic_script_gen_arg(rx_if, tx_if, src_mac, dst_mac, src_ip, dst_ip):
:returns: Traffic script arguments string.
:rtype: str
"""
- args = ('--rx_if {0} --tx_if {1} --src_mac {2} --dst_mac {3} --src_ip'
- ' {4} --dst_ip {5}').format(rx_if, tx_if, src_mac, dst_mac,
- src_ip, dst_ip)
+ args = f"--rx_if {rx_if} --tx_if {tx_if} --src_mac {src_mac} " \
+ f"--dst_mac {dst_mac} --src_ip {src_ip} --dst_ip {dst_ip}"
return args