-#!/usr/bin/python
+#!/usr/bin/env python
# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Vinci Consulting Corp. All rights reserved.
# 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:
# limitations under the License.
"""VPP Configuration Main Entry"""
+from __future__ import absolute_import, division, print_function
import re
import os
from vpplib.AutoConfig import AutoConfig
from vpplib.VPPUtil import VPPUtil
+# Python2/3 compatible
+try:
+ input = raw_input # noqa
+except NameError:
+ pass
+
VPP_DRYRUNDIR = '/vpp/vpp-config/dryrun'
VPP_AUTO_CONFIGURATION_FILE = '/vpp/vpp-config/configs/auto-config.yaml'
VPP_HUGE_PAGE_FILE = '/vpp/vpp-config/dryrun/sysctl.d/80-vpp.conf'
default = default.lower()
answer = ''
while not input_valid:
- answer = raw_input(question)
+ answer = input(question)
if len(answer) == 0:
answer = default
if re.findall(r'[YyNn]', answer):
input_valid = True
answer = answer[0].lower()
else:
- print "Please answer Y, N or Return."
+ print ("Please answer Y, N or Return.")
return answer
diffs = autoconfig_diff(node, VPP_REAL_HUGE_PAGE_FILE, rootdir + VPP_HUGE_PAGE_FILE)
if diffs != '':
- print "These are the changes we will apply to"
- print "the huge page file ({}).\n".format(VPP_REAL_HUGE_PAGE_FILE)
- print diffs
+ print ("These are the changes we will apply to")
+ print ("the huge page file ({}).\n".format(VPP_REAL_HUGE_PAGE_FILE))
+ print (diffs)
if ask_questions:
answer = autoconfig_yn("\nAre you sure you want to apply these changes [Y/n]? ", 'y')
if answer == 'n':
raise RuntimeError('{} failed on node {} {} {}'.
format(cmd, node['host'], stdout, stderr))
else:
- print '\nThere are no changes to the huge page configuration.'
+ print ('\nThere are no changes to the huge page configuration.')
return 0
diffs = autoconfig_diff(node, VPP_REAL_STARTUP_FILE, rootdir + VPP_STARTUP_FILE)
if diffs != '':
- print "These are the changes we will apply to"
- print "the VPP startup file ({}).\n".format(VPP_REAL_STARTUP_FILE)
- print diffs
+ print ("These are the changes we will apply to")
+ print ("the VPP startup file ({}).\n".format(VPP_REAL_STARTUP_FILE))
+ print (diffs)
if ask_questions:
answer = autoconfig_yn("\nAre you sure you want to apply these changes [Y/n]? ", 'y')
if answer == 'n':
# Copy the VPP startup
autoconfig_cp(node, rootdir + VPP_STARTUP_FILE, VPP_REAL_STARTUP_FILE)
else:
- print '\nThere are no changes to VPP startup.'
+ print ('\nThere are no changes to VPP startup.')
return 0
"""
- print "\nThe configured grub cmdline looks like this:"
+ print ("\nThe configured grub cmdline looks like this:")
configured_cmdline = node['grub']['default_cmdline']
current_cmdline = node['grub']['current_cmdline']
- print configured_cmdline
- print "\nThe current boot cmdline looks like this:"
- print current_cmdline
+ print (configured_cmdline)
+ print ("\nThe current boot cmdline looks like this:")
+ print (current_cmdline)
if ask_questions:
question = "\nDo you want to keep the current boot cmdline [Y/n]? "
answer = autoconfig_yn(question, 'y')
# Diff the file
diffs = autoconfig_diff(node, VPP_REAL_GRUB_FILE, rootdir + VPP_GRUB_FILE)
if diffs != '':
- print "These are the changes we will apply to"
- print "the GRUB file ({}).\n".format(VPP_REAL_GRUB_FILE)
- print diffs
+ print ("These are the changes we will apply to")
+ print ("the GRUB file ({}).\n".format(VPP_REAL_GRUB_FILE))
+ print (diffs)
if ask_questions:
answer = autoconfig_yn("\nAre you sure you want to apply these changes [y/N]? ", 'n')
if answer == 'n':
raise RuntimeError('{} failed on node {} {} {}'.
format(cmd, node['host'], stdout, stderr))
- print "There have been changes to the GRUB config a",
- print "reboot will be required."
+ print ("There have been changes to the GRUB config a", end=' ')
+ print ("reboot will be required.")
return -1
else:
- print '\nThere are no changes to the GRUB config.'
+ print ('\nThere are no changes to the GRUB config.')
return 0
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
- print "\nVPP is not installed, Install VPP with option 4."
+ print ("\nVPP is not installed, Install VPP with option 4.")
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
if ask_questions:
- print "\nWe are now going to configure your system(s).\n"
+ print ("\nWe are now going to configure your system(s).\n")
answer = autoconfig_yn("Are you sure you want to do this [Y/n]? ", 'y')
if answer == 'n':
return
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
- print "\nVPP is not installed, please install VPP."
+ print ("\nVPP is not installed, please install VPP.")
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE, clean=True)
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) > 0:
- print "\nThese packages are installed on node {}" \
- .format(node['host'])
- print "{:25} {}".format("Name", "Version")
+ print ("\nThese packages are installed on node {}"
+ .format(node['host']))
+ print ("{:25} {}".format("Name", "Version"))
for pkg in pkgs:
- if 'version' in pkg:
- print "{:25} {}".format(
- pkg['name'], pkg['version'])
- else:
- print "{}".format(pkg['name'])
+ try:
+ print ("{:25} {}".format(
+ pkg['name'], pkg['version']))
+ except KeyError:
+ print ("{}".format(pkg['name']))
question = "\nDo you want to uninstall these "
question += "packages [y/N]? "
logger.setLevel(logging.INFO)
vutil.uninstall_vpp(node)
else:
- print "\nThere are no VPP packages on node {}." \
- .format(node['host'])
+ print ("\nThere are no VPP packages on node {}."
+ .format(node['host']))
question = "Do you want to install VPP [Y/n]? "
answer = autoconfig_yn(question, 'y')
if answer == 'y':
"""
- print "\nThis Feature is not implemented yet...."
+ print ("\nThis Feature is not implemented yet....")
def autoconfig_basic_test_menu():
2) Create an iperf VM and Connect to VPP an interface\n\
9 or q) Back to main menu.'
- print "{}".format(basic_menu_text)
+ print ("{}".format(basic_menu_text))
input_valid = False
answer = ''
while not input_valid:
- answer = raw_input("\nCommand: ")
+ answer = input("\nCommand: ")
if len(answer) > 1:
- print "Please enter only 1 character."
+ print ("Please enter only 1 character.")
continue
if re.findall(r'[Qq1-29]', answer):
input_valid = True
answer = answer[0].lower()
else:
- print "Please enter a character between 1 and 2 or 9."
+ print ("Please enter a character between 1 and 2 or 9.")
if answer == '9':
answer = 'q'
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
- print "\nVPP is not installed, install VPP with option 4."
+ print ("\nVPP is not installed, install VPP with option 4.")
return
answer = ''
# 5) Dry Run from {}/vpp/vpp-config/auto-config.yaml (will not ask questions).\n\
# 6) Install QEMU patch (Needed when running openstack).\n\
- print "{}".format(main_menu_text)
+ print ("{}".format(main_menu_text))
input_valid = False
answer = ''
while not input_valid:
- answer = raw_input("\nCommand: ")
+ answer = input("\nCommand: ")
if len(answer) > 1:
- print "Please enter only 1 character."
+ print ("Please enter only 1 character.")
continue
if re.findall(r'[Qq1-4]', answer):
input_valid = True
answer = answer[0].lower()
else:
- print "Please enter a character between 1 and 4 or q."
+ print ("Please enter a character between 1 and 4 or q.")
return answer
format(filename))
if ask_questions:
- print "\nWelcome to the VPP system configuration utility"
+ print ("\nWelcome to the VPP system configuration utility")
- print "\nThese are the files we will modify:"
- print " /etc/vpp/startup.conf"
- print " /etc/sysctl.d/80-vpp.conf"
- print " /etc/default/grub"
+ print ("\nThese are the files we will modify:")
+ print (" /etc/vpp/startup.conf")
+ print (" /etc/sysctl.d/80-vpp.conf")
+ print (" /etc/default/grub")
- print "\nBefore we change them, we'll create working copies in {}".format(rootdir + VPP_DRYRUNDIR)
- print "Please inspect them carefully before applying the actual configuration (option 3)!"
+ print (
+ "\nBefore we change them, we'll create working copies in "
+ "{}".format(rootdir + VPP_DRYRUNDIR))
+ print (
+ "Please inspect them carefully before applying the actual "
+ "configuration (option 3)!")
nodes = acfg.get_nodes()
for i in nodes.items():
if not os.geteuid() == 0:
sys.exit('\nPlease run the VPP Configuration Utility as root.')
- if len(sys.argv) > 1 and ((sys.argv[1] == '-d') or (sys.argv[1] == '--debug')):
+ if len(sys.argv) > 1 and ((sys.argv[1] == '-d') or (
+ sys.argv[1] == '--debug')):
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.ERROR)
- # If no arguments were entered, ask the user questions to get the main parameters
+ # If no arguments were entered, ask the user questions to
+ # get the main parameters
if len(sys.argv) == 1:
autoconfig_main()
return
- elif len(sys.argv) == 2 and (sys.argv[1] == '-d' or sys.argv[1] == '--debug'):
+ elif len(sys.argv) == 2 and ((sys.argv[1] == '-d') or (
+ sys.argv[1] == '--debug')):
autoconfig_main()
return
- # There were arguments specified, so execute the utility using command line arguments
- description = 'The VPP configuration utility allows the user to configure VPP in a simple and safe manner. \
-The utility takes input from the user or the speficfied .yaml file. The user should then examine these files \
-to be sure they are correct and then actually apply the configuration. When run without arguments the utility run \
-in an interactive mode'
-
- main_parser = argparse.ArgumentParser(prog='arg-test', description=description,
- epilog='See "%(prog)s help COMMAND" for help on a specific command.')
- main_parser.add_argument('--apply', '-a', action='store_true', help='Apply the cofiguration.')
- main_parser.add_argument('--dry-run', '-dr', action='store_true', help='Create the dryrun configuration files.')
- main_parser.add_argument('--show', '-s', action='store_true', help='Shows basic system information')
- main_parser.add_argument('--debug', '-d', action='count', help='Print debug output (multiple levels)')
+ # There were arguments specified, so execute the utility using
+ # command line arguments
+ description = 'The VPP configuration utility allows the user to '
+ 'configure VPP in a simple and safe manner. The utility takes input '
+ 'from the user or the specified .yaml file. The user should then '
+ 'examine these files to be sure they are correct and then actually '
+ 'apply the configuration. When run without arguments the utility run '
+ 'in an interactive mode'
+
+ main_parser = argparse.ArgumentParser(
+ prog='arg-test',
+ description=description,
+ epilog='See "%(prog)s help COMMAND" for help on a specific command.')
+ main_parser.add_argument('--apply', '-a', action='store_true',
+ help='Apply the cofiguration.')
+ main_parser.add_argument('--dry-run', '-dr', action='store_true',
+ help='Create the dryrun configuration files.')
+ main_parser.add_argument('--show', '-s', action='store_true',
+ help='Shows basic system information')
+ main_parser.add_argument('--debug', '-d', action='count',
+ help='Print debug output (multiple levels)')
args = main_parser.parse_args()
# limitations under the License.
"""Library that supports Auto Configuration."""
+from __future__ import absolute_import, division, print_function
import logging
import os
import re
+from ipaddress import ip_address
+
import yaml
-from netaddr import IPAddress
from vpplib.VPPUtil import VPPUtil
from vpplib.VppPCIUtil import VppPCIUtil
from vpplib.VppGrubUtil import VppGrubUtil
from vpplib.QemuUtils import QemuUtils
+# Python2/3 compatible
+try:
+ input = raw_input # noqa
+except NameError:
+ pass
+
__all__ = ["AutoConfig"]
# Constants
"""
while True:
- answer = raw_input("Please enter the IPv4 Address [n.n.n.n/n]: ")
+ answer = input("Please enter the IPv4 Address [n.n.n.n/n]: ")
try:
ipinput = answer.split('/')
- ipaddr = IPAddress(ipinput[0])
+ ipaddr = ip_address(ipinput[0])
if len(ipinput) > 1:
plen = answer.split('/')[1]
else:
- answer = raw_input("Please enter the netmask [n.n.n.n]: ")
- plen = IPAddress(answer).netmask_bits()
+ answer = input("Please enter the netmask [n.n.n.n]: ")
+ plen = ip_address(answer).netmask_bits()
return '{}/{}'.format(ipaddr, plen)
except None:
- print "Please enter a valid IPv4 address."
+ print("Please enter a valid IPv4 address.")
@staticmethod
def _ask_user_range(question, first, last, default):
"""
while True:
- answer = raw_input(question)
+ answer = input(question)
if answer == '':
answer = default
break
if int(answer) in range(first, last + 1):
break
else:
- print "Please a value between {} and {} or Return.". \
- format(first, last)
+ print("Please a value between {} and {} or Return.".
+ format(first, last))
else:
- print "Please a number between {} and {} or Return.". \
- format(first, last)
+ print("Please a number between {} and {} or Return.".
+ format(first, last))
return int(answer)
default = default.lower()
answer = ''
while not input_valid:
- answer = raw_input(question)
+ answer = input(question)
if answer == '':
answer = default
if re.findall(r'[YyNn]', answer):
input_valid = True
answer = answer[0].lower()
else:
- print "Please answer Y, N or Return."
+ print("Please answer Y, N or Return.")
return answer
if 'metadata' in topo:
self._metadata = topo['metadata']
except yaml.YAMLError as exc:
- raise RuntimeError("Couldn't read the Auto config file {}.".format(self._autoconfig_filename, exc))
+ raise RuntimeError(
+ "Couldn't read the Auto config file {}.".format(
+ self._autoconfig_filename, exc))
systemfile = self._rootdir + self._metadata['system_config_file']
if self._clean is False and os.path.isfile(systemfile):
if 'nodes' in systopo:
self._nodes = systopo['nodes']
except yaml.YAMLError as sysexc:
- raise RuntimeError("Couldn't read the System config file {}.".format(systemfile, sysexc))
+ raise RuntimeError(
+ "Couldn't read the System config file {}.".format(
+ systemfile, sysexc))
else:
# Get the nodes from Auto Config
if 'nodes' in topo:
if 'nodes' in ydata:
nodes = ydata['nodes']
except yaml.YAMLError as exc:
- print exc
+ print(exc)
return
for i in nodes.items():
return devices
@staticmethod
- def _calc_vpp_workers(node, vpp_workers, numa_node, other_cpus_end, total_vpp_workers,
+ def _calc_vpp_workers(node, vpp_workers, numa_node, other_cpus_end,
+ total_vpp_workers,
reserve_vpp_main_core):
"""
Calculate the VPP worker information
# Get the number of cpus to skip, we never use the first cpu
other_cpus_start = 1
- other_cpus_end = other_cpus_start + node['cpu']['total_other_cpus'] - 1
+ other_cpus_end = other_cpus_start + \
+ node['cpu']['total_other_cpus'] - 1
other_workers = None
if other_cpus_end is not 0:
other_workers = (other_cpus_start, other_cpus_end)
value = item[1]
# Get the number of descriptors and queues
- mbufs = self._calc_desc_and_queues(len(ports_per_numa),
- len(value['interfaces']), total_rx_queues, value)
+ mbufs = self._calc_desc_and_queues(
+ len(ports_per_numa),
+ len(value['interfaces']), total_rx_queues, value)
total_mbufs += mbufs
# Get the VPP workers
- reserve_vpp_main_core = self._calc_vpp_workers(node, vpp_workers, numa_node,
- other_cpus_end, total_workers_node,
- reserve_vpp_main_core)
+ reserve_vpp_main_core = self._calc_vpp_workers(
+ node, vpp_workers, numa_node,
+ other_cpus_end, total_workers_node,
+ reserve_vpp_main_core)
total_mbufs *= 2.5
total_mbufs = int(total_mbufs)
# Generate the api-segment gid vpp sheit in any case
if (aos + pos) == 0:
- tcp = "api-segment {\n"
- tcp = tcp + " gid vpp\n"
- tcp = tcp + "}\n"
+ tcp = '\n'.join([
+ "api-segment {",
+ " gid vpp",
+ "}"
+ ])
return tcp.rstrip('\n')
- tcp = "# TCP stack-related configuration parameters\n"
- tcp = tcp + "# expecting {:d} client sessions, {:d} server sessions\n\n".format(aos, pos)
- tcp = tcp + "heapsize 4g\n\n"
- tcp = tcp + "api-segment {\n"
- tcp = tcp + " global-size 2000M\n"
- tcp = tcp + " api-size 1G\n"
- tcp = tcp + "}\n\n"
-
- tcp = tcp + "session {\n"
- tcp = tcp + " event-queue-length " + "{:d}".format(aos + pos) + "\n"
- tcp = tcp + " preallocated-sessions " + "{:d}".format(aos + pos) + "\n"
- tcp = tcp + " v4-session-table-buckets " + "{:d}".format((aos + pos) / 4) + "\n"
- tcp = tcp + " v4-session-table-memory 3g\n"
+ tcp = '\n'.join([
+ "# TCP stack-related configuration parameters",
+ "# expecting {:d} client sessions, {:d} server sessions\n".format(
+ aos, pos),
+ "heapsize 4g\n",
+ "api-segment {",
+ " global-size 2000M",
+ " api-size 1G",
+ "}\n",
+
+ "session {",
+ " event-queue-length {:d}".format(aos + pos),
+ " preallocated-sessions {:d}".format(aos + pos),
+ " v4-session-table-buckets {:d}".format((aos + pos) // 4),
+ " v4-session-table-memory 3g\n"
+ ])
if aos > 0:
- tcp = tcp + " v4-halfopen-table-buckets " + \
- "{:d}".format((aos + pos) / 4) + "\n"
+ tcp = tcp + " v4-halfopen-table-buckets {:d}".format(
+ (aos + pos) // 4) + "\n"
tcp = tcp + " v4-halfopen-table-memory 3g\n"
- tcp = tcp + " local-endpoints-table-buckets " + "{:d}".format((aos + pos) / 4) + "\n"
+ tcp = tcp + " local-endpoints-table-buckets {:d}".format(
+ (aos + pos) // 4) + "\n"
tcp = tcp + " local-endpoints-table-memory 3g\n"
tcp = tcp + "}\n\n"
tcp = tcp + "tcp {\n"
- tcp = tcp + " preallocated-connections " + "{:d}".format(aos + pos) + "\n"
+ tcp = tcp + " preallocated-connections {:d}".format(aos + pos) + "\n"
if aos > 0:
- tcp = tcp + " preallocated-half-open-connections " + "{:d}".format(aos) + "\n"
+ tcp = tcp + " preallocated-half-open-connections {:d}".format(
+ aos) + "\n"
tcp = tcp + "}\n\n"
return tcp.rstrip('\n')
:type numa_nodes: list
"""
- print "\nYour system has {} core(s) and {} Numa Nodes.". \
- format(total_cpus, len(numa_nodes))
- print "To begin, we suggest not reserving any cores for VPP or other processes."
- print "Then to improve performance start reserving cores and adding queues as needed. "
+ print("\nYour system has {} core(s) and {} Numa Nodes.".
+ format(total_cpus, len(numa_nodes)))
+ print("To begin, we suggest not reserving any cores for "
+ "VPP or other processes.")
+ print("Then to improve performance start reserving cores and "
+ "adding queues as needed.")
max_vpp_cpus = 4
total_vpp_cpus = 0
if max_vpp_cpus > 0:
- question = "\nHow many core(s) shall we reserve for VPP [0-{}][0]? ".format(max_vpp_cpus)
+ question = "\nHow many core(s) shall we reserve for " \
+ "VPP [0-{}][0]? ".format(max_vpp_cpus)
total_vpp_cpus = self._ask_user_range(question, 0, max_vpp_cpus, 0)
node['cpu']['total_vpp_cpus'] = total_vpp_cpus
max_other_cores = (total_cpus - total_vpp_cpus) / 2
- question = 'How many core(s) do you want to reserve for processes other than VPP? [0-{}][0]? '. \
+ question = 'How many core(s) do you want to reserve for ' \
+ 'processes other than VPP? [0-{}][0]? '. \
format(str(max_other_cores))
- total_other_cpus = self._ask_user_range(question, 0, max_other_cores, 0)
+ total_other_cpus = self._ask_user_range(
+ question, 0, max_other_cores, 0)
node['cpu']['total_other_cpus'] = total_other_cpus
max_main_cpus = max_vpp_cpus + 1 - total_vpp_cpus
node['cpu']['reserve_vpp_main_core'] = reserve_vpp_main_core
node['cpu']['vpp_main_core'] = 0
- question = "How many RX queues per port shall we use for VPP [1-4][1]? ". \
- format(max_vpp_cpus)
+ question = "How many RX queues per port shall we use for " \
+ "VPP [1-4][1]? ".format(max_vpp_cpus)
total_rx_queues = self._ask_user_range(question, 1, 4, 1)
node['cpu']['total_rx_queues'] = total_rx_queues
odevices_len = len(other_devices)
if odevices_len > 0:
- print "\nThese device(s) are currently NOT being used",
- print "by VPP or the OS.\n"
+ print("\nThese device(s) are currently NOT being used "
+ "by VPP or the OS.\n")
VppPCIUtil.show_vpp_devices(other_devices, show_interfaces=False)
question = "\nWould you like to give any of these devices"
question += " back to the OS [Y/n]? "
question += " the OS [y/N]? "
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
- if 'unused' in device and len(device['unused']) != 0 and device['unused'][0] != '':
+ if 'unused' in device and len(
+ device['unused']) != 0 and \
+ device['unused'][0] != '':
driver = device['unused'][0]
- ret = VppPCIUtil.bind_vpp_device(node, driver, dvid)
+ ret = VppPCIUtil.bind_vpp_device(
+ node, driver, dvid)
if ret:
- logging.debug('Could not bind device {}'.format(dvid))
+ logging.debug(
+ 'Could not bind device {}'.format(dvid))
else:
vppd[dvid] = device
for dit in vppd.items():
odevices_len = len(other_devices)
if odevices_len > 0:
- print "\nThese device(s) are still NOT being used ",
- print "by VPP or the OS.\n"
+ print("\nThese device(s) are still NOT being used "
+ "by VPP or the OS.\n")
VppPCIUtil.show_vpp_devices(other_devices, show_interfaces=False)
question = "\nWould you like use any of these for VPP [y/N]? "
answer = self._ask_user_yn(question, 'N')
for dit in vppd.items():
dvid = dit[0]
device = dit[1]
- if 'unused' in device and len(device['unused']) != 0 and device['unused'][0] != '':
+ if 'unused' in device and len(device['unused']) != 0 and \
+ device['unused'][0] != '':
driver = device['unused'][0]
- logging.debug('Binding device {} to driver {}'.format(dvid, driver))
+ logging.debug(
+ 'Binding device {} to driver {}'.format(dvid,
+ driver))
ret = VppPCIUtil.bind_vpp_device(node, driver, dvid)
if ret:
- logging.debug('Could not bind device {}'.format(dvid))
+ logging.debug(
+ 'Could not bind device {}'.format(dvid))
else:
dpdk_devices[dvid] = device
del other_devices[dvid]
klen = len(kernel_devices)
if klen > 0:
- print "\nThese devices have kernel interfaces, but",
- print "appear to be safe to use with VPP.\n"
+ print("\nThese devices are safe to be used with VPP.\n")
VppPCIUtil.show_vpp_devices(kernel_devices)
- question = "\nWould you like to use any of these "
- question += "device(s) for VPP [y/N]? "
+ question = "\nWould you like to use any of these " \
+ "device(s) for VPP [y/N]? "
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
vppd = {}
for dit in kernel_devices.items():
dvid = dit[0]
device = dit[1]
- question = "Would you like to use device {} ". \
- format(dvid)
+ question = "Would you like to use device {} ".format(dvid)
question += "for VPP [y/N]? "
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
for dit in vppd.items():
dvid = dit[0]
device = dit[1]
- if 'unused' in device and len(device['unused']) != 0 and device['unused'][0] != '':
+ if 'unused' in device and len(
+ device['unused']) != 0 and device['unused'][
+ 0] != '':
driver = device['unused'][0]
- logging.debug('Binding device {} to driver {}'.format(dvid, driver))
- ret = VppPCIUtil.bind_vpp_device(node, driver, dvid)
- if ret:
- logging.debug('Could not bind device {}'.format(dvid))
- else:
- dpdk_devices[dvid] = device
- del kernel_devices[dvid]
+ question = "Would you like to bind the driver {} for {} [y/N]? ".format(driver, dvid)
+ answer = self._ask_user_yn(question, 'n')
+ if answer == 'y':
+ logging.debug('Binding device {} to driver {}'.format(dvid, driver))
+ ret = VppPCIUtil.bind_vpp_device(node, driver, dvid)
+ if ret:
+ logging.debug('Could not bind device {}'.format(dvid))
+ dpdk_devices[dvid] = device
+ del kernel_devices[dvid]
dlen = len(dpdk_devices)
if dlen > 0:
- print "\nThese device(s) will be used by VPP.\n"
- VppPCIUtil.show_vpp_devices(dpdk_devices, show_interfaces=False)
+ print("\nThese device(s) are already using DPDK.\n")
+ VppPCIUtil.show_vpp_devices(dpdk_devices,
+ show_interfaces=False)
question = "\nWould you like to remove any of "
question += "these device(s) [y/N]? "
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
- vppd = {}
+ vppdl = {}
for dit in dpdk_devices.items():
dvid = dit[0]
device = dit[1]
format(dvid)
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
- vppd[dvid] = device
- for dit in vppd.items():
+ vppdl[dvid] = device
+ for dit in vppdl.items():
dvid = dit[0]
device = dit[1]
- if 'unused' in device and len(device['unused']) != 0 and device['unused'][0] != '':
+ if 'unused' in device and len(
+ device['unused']) != 0 and device['unused'][
+ 0] != '':
driver = device['unused'][0]
- logging.debug('Binding device {} to driver {}'.format(dvid, driver))
- ret = VppPCIUtil.bind_vpp_device(node, driver, dvid)
+ logging.debug(
+ 'Binding device {} to driver {}'.format(
+ dvid, driver))
+ ret = VppPCIUtil.bind_vpp_device(node, driver,
+ dvid)
if ret:
- logging.debug('Could not bind device {}'.format(dvid))
+ logging.debug(
+ 'Could not bind device {}'.format(dvid))
else:
kernel_devices[dvid] = device
del dpdk_devices[dvid]
VppPCIUtil.vpp_create_interface(interfaces, dvid, device)
node['interfaces'] = interfaces
- print "\nThese device(s) will be used by VPP, please",
- print "rerun this option if this is incorrect.\n"
- VppPCIUtil.show_vpp_devices(dpdk_devices, show_interfaces=False)
-
self._update_auto_config()
self.updateconfig()
hugesize = int(size.split(' ')[0])
# The max number of huge pages should be no more than
# 70% of total free memory
- maxpages = (int(memfree) * MAX_PERCENT_FOR_HUGE_PAGES / 100) / hugesize
- print "\nThere currently {} {} huge pages free.". \
- format(free, size)
- question = "Do you want to reconfigure the number of "
- question += "huge pages [y/N]? "
+ maxpages = (int(memfree) * MAX_PERCENT_FOR_HUGE_PAGES // 100) // \
+ hugesize
+ print("\nThere currently {} {} huge pages free.".format(
+ free, size))
+ question = "Do you want to reconfigure the number of " \
+ "huge pages [y/N]? "
answer = self._ask_user_yn(question, 'n')
if answer == 'n':
node['hugepages']['total'] = total
continue
- print "\nThere currently a total of {} huge pages.". \
- format(total)
+ print("\nThere currently a total of {} huge pages.".
+ format(total))
question = "How many huge pages do you want [{} - {}][{}]? ". \
format(MIN_TOTAL_HUGE_PAGES, maxpages, MIN_TOTAL_HUGE_PAGES)
answer = self._ask_user_range(question, 1024, maxpages, 1024)
for i in self._nodes.items():
node = i[1]
- question = "\nHow many active-open / tcp client sessions are expected "
- question = question + "[0-10000000][0]? "
+ question = "\nHow many active-open / tcp client sessions are " \
+ "expected [0-10000000][0]? "
answer = self._ask_user_range(question, 0, 10000000, 0)
# Less than 10K is equivalent to 0
if int(answer) < 10000:
answer = 0
node['tcp']['active_open_sessions'] = answer
- question = "How many passive-open / tcp server sessions are expected "
- question = question + "[0-10000000][0]? "
+ question = "How many passive-open / tcp server sessions are " \
+ "expected [0-10000000][0]? "
answer = self._ask_user_range(question, 0, 10000000, 0)
# Less than 10K is equivalent to 0
if int(answer) < 10000:
:type node: dict
"""
- print '\nWe are patching the node "{}":\n'.format(node['host'])
+ print('\nWe are patching the node "{}":\n'.format(node['host']))
QemuUtils.build_qemu(node, force_install=True, apply_patch=True)
@staticmethod
item = 'Model name'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'CPU(s)'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'Thread(s) per core'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'Core(s) per socket'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'Socket(s)'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'NUMA node(s)'
numa_nodes = 0
if item in cpu:
numa_nodes = int(cpu[item])
- for i in xrange(0, numa_nodes):
+ for i in range(0, numa_nodes):
item = "NUMA node{} CPU(s)".format(i)
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'CPU max MHz'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
item = 'CPU min MHz'
if item in cpu:
- print "{:>20}: {}".format(item, cpu[item])
+ print("{:>20}: {}".format(item, cpu[item]))
if node['cpu']['smt_enabled']:
smt = 'Enabled'
else:
smt = 'Disabled'
- print "{:>20}: {}".format('SMT', smt)
+ print("{:>20}: {}".format('SMT', smt))
# VPP Threads
- print "\nVPP Threads: (Name: Cpu Number)"
+ print("\nVPP Threads: (Name: Cpu Number)")
vpp_processes = cpu['vpp_processes']
for i in vpp_processes.items():
- print " {:10}: {:4}".format(i[0], i[1])
+ print(" {:10}: {:4}".format(i[0], i[1]))
@staticmethod
def device_info(node):
if 'cpu' in node and 'total_mbufs' in node['cpu']:
total_mbufs = node['cpu']['total_mbufs']
if total_mbufs is not 0:
- print "Total Number of Buffers: {}".format(total_mbufs)
+ print("Total Number of Buffers: {}".format(total_mbufs))
vpp = VppPCIUtil(node)
vpp.get_all_devices()
linkup_devs = vpp.get_link_up_devices()
if len(linkup_devs):
- print ("\nDevices with link up (can not be used with VPP):")
+ print("\nDevices with link up (can not be used with VPP):")
vpp.show_vpp_devices(linkup_devs, show_header=False)
# for dev in linkup_devs:
# print (" " + dev)
kernel_devs = vpp.get_kernel_devices()
if len(kernel_devs):
- print ("\nDevices bound to kernel drivers:")
+ print("\nDevices bound to kernel drivers:")
vpp.show_vpp_devices(kernel_devs, show_header=False)
else:
- print ("\nNo devices bound to kernel drivers")
+ print("\nNo devices bound to kernel drivers")
dpdk_devs = vpp.get_dpdk_devices()
if len(dpdk_devs):
- print ("\nDevices bound to DPDK drivers:")
+ print("\nDevices bound to DPDK drivers:")
vpp.show_vpp_devices(dpdk_devs, show_interfaces=True,
show_header=False)
else:
- print ("\nNo devices bound to DPDK drivers")
+ print("\nNo devices bound to DPDK drivers")
other_devs = vpp.get_other_devices()
if len(other_devs):
- print ("\nDevices not bound to Kernel or DPDK drivers:")
+ print("\nDevices not bound to Kernel or DPDK drivers:")
vpp.show_vpp_devices(other_devs, show_interfaces=True,
show_header=False)
else:
- print ("\nNo devices not bound to Kernel or DPDK drivers")
+ print("\nNo devices not bound to Kernel or DPDK drivers")
vpputl = VPPUtil()
interfaces = vpputl.get_hardware(node)
if interfaces == {}:
return
- print ("\nDevices in use by VPP:")
+ print("\nDevices in use by VPP:")
if len(interfaces.items()) < 2:
- print ("None")
+ print("None")
return
- print "{:30} {:4} {:4} {:7} {:4} {:7}". \
- format('Name', 'Numa', 'RXQs',
- 'RXDescs', 'TXQs', 'TXDescs')
+ print("{:30} {:4} {:4} {:7} {:4} {:7}".
+ format('Name', 'Numa', 'RXQs',
+ 'RXDescs', 'TXQs', 'TXDescs'))
for intf in sorted(interfaces.items()):
name = intf[0]
value = intf[1]
if 'tx descs' in value:
tx_ds = int(value['tx descs'])
- print ("{:30} {:>4} {:>4} {:>7} {:>4} {:>7}".
- format(name, numa, rx_qs, rx_ds, tx_qs, tx_ds))
+ print("{:30} {:>4} {:>4} {:>7} {:>4} {:>7}".
+ format(name, numa, rx_qs, rx_ds, tx_qs, tx_ds))
@staticmethod
def hugepage_info(node):
if 'layout' in node['cpu']:
total_cpus = len(node['cpu']['layout'])
if total_cpus < 2:
- print "\nThere is only {} CPU(s) available on this system.".format(total_cpus)
- print "This is not enough to run VPP."
+ print("\nThere is only {} CPU(s) available on this system. "
+ "This is not enough to run VPP.".format(total_cpus))
min_sys_res = False
# System Memory
percentmemhugepages = (memhugepages / memfree) * 100
if free is '0' and \
percentmemhugepages > MAX_PERCENT_FOR_HUGE_PAGES:
- print "\nThe System has only {} of free memory.".format(int(memfree))
- print "You will not be able to allocate enough Huge Pages for VPP."
+ print(
+ "\nThe System has only {} of free memory. You will not "
+ "be able to allocate enough Huge Pages for VPP.".format(
+ int(
+ memfree))
+ )
min_sys_res = False
return min_sys_res
"""
for i in self._nodes.items():
- print "\n=============================="
+ print("\n==============================")
name = i[0]
node = i[1]
- print "NODE: {}\n".format(name)
+ print("NODE: {}\n".format(name))
# CPU
- print "CPU:"
+ print("CPU:")
self.cpu_info(node)
# Grub
- print "\nGrub Command Line:"
+ print("\nGrub Command Line:")
if 'grub' in node:
- print \
- " Current: {}".format(
- node['grub']['current_cmdline'])
- print \
- " Configured: {}".format(
- node['grub']['default_cmdline'])
+ print(" Current: {}".format(
+ node['grub']['current_cmdline']))
+ print(" Configured: {}".format(
+ node['grub']['default_cmdline']))
# Huge Pages
- print "\nHuge Pages:"
+ print("\nHuge Pages:")
self.hugepage_info(node)
# Devices
- print "\nDevices:"
+ print("\nDevices:")
self.device_info(node)
# Status
- print "\nVPP Service Status:"
+ print("\nVPP Service Status:")
state, errors = VPPUtil.status(node)
- print " {}".format(state)
+ print(" {}".format(state))
for e in errors:
- print " {}".format(e)
+ print(" {}".format(e))
# Minimum system resources
self.min_system_resources(node)
- print "\n=============================="
+ print("\n==============================")
def _ipv4_interface_setup_questions(self, node):
"""
if name == 'local0':
continue
- question = "Would you like add address to interface {} [Y/n]? ".format(name)
+ question = "Would you like add address to " \
+ "interface {} [Y/n]? ".format(name)
answer = self._ask_user_yn(question, 'y')
if answer == 'y':
address = {}
# Show the current interfaces with IP addresses
current_ints = VPPUtil.get_int_ip(node)
if current_ints is not {}:
- print ("\nThese are the current interfaces with IP addresses:")
+ print("\nThese are the current interfaces with IP addresses:")
for items in sorted(current_ints.items()):
name = items[0]
value = items[1]
address = 'Not Set'
else:
address = value['address']
- print ("{:30} {:20} {:10}".format(name, address, value['state']))
- question = "\nWould you like to keep this configuration [Y/n]? "
+ print("{:30} {:20} {:10}".format(name, address,
+ value['state']))
+ question = "\nWould you like to keep this configuration " \
+ "[Y/n]? "
answer = self._ask_user_yn(question, 'y')
if answer == 'y':
continue
else:
- print ("\nThere are currently no interfaces with IP addresses.")
+ print("\nThere are currently no interfaces with IP "
+ "addresses.")
# Create a script that add the ip addresses to the interfaces
# and brings the interfaces up
if name == 'local0':
continue
- question = "Would you like connect this interface {} to the VM [Y/n]? ".format(name)
+ question = "Would you like connect this interface {} to " \
+ "the VM [Y/n]? ".format(name)
answer = self._ask_user_yn(question, 'y')
if answer == 'y':
- sockfilename = '/var/run/vpp/{}.sock'.format(name.replace('/', '_'))
+ sockfilename = '/var/run/vpp/{}.sock'.format(
+ name.replace('/', '_'))
if os.path.exists(sockfilename):
os.remove(sockfilename)
- cmd = 'vppctl create vhost-user socket {} server'.format(sockfilename)
+ cmd = 'vppctl create vhost-user socket {} server'.format(
+ sockfilename)
(ret, stdout, stderr) = vpputl.exec_command(cmd)
if ret != 0:
- raise RuntimeError("Couldn't execute the command {}, {}.".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {}, {}.".format(cmd,
+ stderr))
vintname = stdout.rstrip('\r\n')
cmd = 'chmod 777 {}'.format(sockfilename)
(ret, stdout, stderr) = vpputl.exec_command(cmd)
if ret != 0:
- raise RuntimeError("Couldn't execute the command {}, {}.".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {}, {}.".format(cmd,
+ stderr))
- interface = {'name': name, 'virtualinterface': '{}'.format(vintname),
+ interface = {'name': name,
+ 'virtualinterface': '{}'.format(vintname),
'bridge': '{}'.format(inum)}
inum += 1
interfaces_with_virtual_interfaces.append(interface)
def create_and_bridge_virtual_interfaces(self):
"""
- After asking the user some questions, create a VM and connect the interfaces
- to VPP interfaces
+ After asking the user some questions, create a VM and connect
+ the interfaces to VPP interfaces
"""
node = i[1]
# Show the current bridge and interface configuration
- print "\nThis the current bridge configuration:"
+ print("\nThis the current bridge configuration:")
VPPUtil.show_bridge(node)
question = "\nWould you like to keep this configuration [Y/n]? "
answer = self._ask_user_yn(question, 'y')
if answer == 'y':
continue
- # Create a script that builds a bridge configuration with physical interfaces
- # and virtual interfaces
+ # Create a script that builds a bridge configuration with
+ # physical interfaces and virtual interfaces
ints_with_vints = self._create_vints_questions(node)
content = ''
for intf in ints_with_vints:
- vhoststr = 'comment { The following command creates the socket }\n'
- vhoststr += 'comment { and returns a virtual interface }\n'
- vhoststr += 'comment {{ create vhost-user socket /var/run/vpp/sock{}.sock server }}\n'. \
- format(intf['bridge'])
-
- setintdnstr = 'set interface state {} down\n'.format(intf['name'])
-
- setintbrstr = 'set interface l2 bridge {} {}\n'.format(intf['name'], intf['bridge'])
- setvintbrstr = 'set interface l2 bridge {} {}\n'.format(intf['virtualinterface'], intf['bridge'])
+ vhoststr = '\n'.join([
+ 'comment { The following command creates the socket }',
+ 'comment { and returns a virtual interface }',
+ 'comment {{ create vhost-user socket '
+ '/var/run/vpp/sock{}.sock server }}\n'.format(
+ intf['bridge'])
+ ])
+
+ setintdnstr = 'set interface state {} down\n'.format(
+ intf['name'])
+
+ setintbrstr = 'set interface l2 bridge {} {}\n'.format(
+ intf['name'], intf['bridge'])
+ setvintbrstr = 'set interface l2 bridge {} {}\n'.format(
+ intf['virtualinterface'], intf['bridge'])
# set interface state VirtualEthernet/0/0/0 up
- setintvststr = 'set interface state {} up\n'.format(intf['virtualinterface'])
+ setintvststr = 'set interface state {} up\n'.format(
+ intf['virtualinterface'])
# set interface state VirtualEthernet/0/0/0 down
- setintupstr = 'set interface state {} up\n'.format(intf['name'])
+ setintupstr = 'set interface state {} up\n'.format(
+ intf['name'])
- content += vhoststr + setintdnstr + setintbrstr + setvintbrstr + setintvststr + setintupstr
+ content += vhoststr + setintdnstr + setintbrstr + \
+ setvintbrstr + setintvststr + setintupstr
# Write the content to the script
rootdir = node['rootdir']
- filename = rootdir + '/vpp/vpp-config/scripts/create_vms_and_connect_to_vpp'
+ filename = rootdir + \
+ '/vpp/vpp-config/scripts/create_vms_and_connect_to_vpp'
with open(filename, 'w+') as sfile:
sfile.write(content)
inum = 1
while True:
- print '\nPlease pick one interface to connect to the iperf VM.'
+ print('\nPlease pick one interface to connect to the iperf VM.')
for intf in sorted(interfaces.items()):
name = intf[0]
if name == 'local0':
continue
- question = "Would you like connect this interface {} to the VM [y/N]? ".format(name)
+ question = "Would you like connect this interface {} to " \
+ "the VM [y/N]? ".format(name)
answer = self._ask_user_yn(question, 'n')
if answer == 'y':
- self._sockfilename = '/var/run/vpp/{}.sock'.format(name.replace('/', '_'))
+ self._sockfilename = '/var/run/vpp/{}.sock'.format(
+ name.replace('/', '_'))
if os.path.exists(self._sockfilename):
os.remove(self._sockfilename)
- cmd = 'vppctl create vhost-user socket {} server'.format(self._sockfilename)
+ cmd = 'vppctl create vhost-user socket {} server'.format(
+ self._sockfilename)
(ret, stdout, stderr) = vpputl.exec_command(cmd)
if ret != 0:
- raise RuntimeError("Couldn't execute the command {}, {}.".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {}, {}.".format(
+ cmd, stderr))
vintname = stdout.rstrip('\r\n')
cmd = 'chmod 777 {}'.format(self._sockfilename)
(ret, stdout, stderr) = vpputl.exec_command(cmd)
if ret != 0:
- raise RuntimeError("Couldn't execute the command {}, {}.".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {}, {}.".format(
+ cmd, stderr))
- interface = {'name': name, 'virtualinterface': '{}'.format(vintname),
+ interface = {'name': name,
+ 'virtualinterface': '{}'.format(vintname),
'bridge': '{}'.format(inum)}
inum += 1
interfaces_with_virtual_interfaces.append(interface)
def create_and_bridge_iperf_virtual_interface(self):
"""
- After asking the user some questions, and create and bridge a virtual interface
- to be used with iperf VM
+ After asking the user some questions, and create and bridge a
+ virtual interface to be used with iperf VM
"""
node = i[1]
# Show the current bridge and interface configuration
- print "\nThis the current bridge configuration:"
+ print("\nThis the current bridge configuration:")
ifaces = VPPUtil.show_bridge(node)
question = "\nWould you like to keep this configuration [Y/n]? "
answer = self._ask_user_yn(question, 'y')
if answer == 'y':
- self._sockfilename = '/var/run/vpp/{}.sock'.format(ifaces[0]['name'].replace('/', '_'))
+ self._sockfilename = '/var/run/vpp/{}.sock'.format(
+ ifaces[0]['name'].replace('/', '_'))
if os.path.exists(self._sockfilename):
continue
- # Create a script that builds a bridge configuration with physical interfaces
- # and virtual interfaces
+ # Create a script that builds a bridge configuration with
+ # physical interfaces and virtual interfaces
ints_with_vints = self._iperf_vm_questions(node)
content = ''
for intf in ints_with_vints:
- vhoststr = 'comment { The following command creates the socket }\n'
- vhoststr += 'comment { and returns a virtual interface }\n'
- vhoststr += 'comment {{ create vhost-user socket /var/run/vpp/sock{}.sock server }}\n'. \
- format(intf['bridge'])
-
- setintdnstr = 'set interface state {} down\n'.format(intf['name'])
-
- setintbrstr = 'set interface l2 bridge {} {}\n'.format(intf['name'], intf['bridge'])
- setvintbrstr = 'set interface l2 bridge {} {}\n'.format(intf['virtualinterface'], intf['bridge'])
+ vhoststr = '\n'.join([
+ 'comment { The following command creates the socket }',
+ 'comment { and returns a virtual interface }',
+ 'comment {{ create vhost-user socket '
+ '/var/run/vpp/sock{}.sock server }}\n'.format(
+ intf['bridge'])
+ ])
+
+ setintdnstr = 'set interface state {} down\n'.format(
+ intf['name'])
+
+ setintbrstr = 'set interface l2 bridge {} {}\n'.format(
+ intf['name'], intf['bridge'])
+ setvintbrstr = 'set interface l2 bridge {} {}\n'.format(
+ intf['virtualinterface'], intf['bridge'])
# set interface state VirtualEthernet/0/0/0 up
- setintvststr = 'set interface state {} up\n'.format(intf['virtualinterface'])
+ setintvststr = 'set interface state {} up\n'.format(
+ intf['virtualinterface'])
# set interface state VirtualEthernet/0/0/0 down
- setintupstr = 'set interface state {} up\n'.format(intf['name'])
+ setintupstr = 'set interface state {} up\n'.format(
+ intf['name'])
- content += vhoststr + setintdnstr + setintbrstr + setvintbrstr + setintvststr + setintupstr
+ content += vhoststr + setintdnstr + setintbrstr + \
+ setvintbrstr + setintvststr + setintupstr
# Write the content to the script
rootdir = node['rootdir']
@staticmethod
def destroy_iperf_vm(name):
"""
- After asking the user some questions, create a VM and connect the interfaces
- to VPP interfaces
+ After asking the user some questions, create a VM and connect
+ the interfaces to VPP interfaces
:param name: The name of the VM to be be destroyed
:type name: str
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
logging.debug(stderr)
- raise RuntimeError("Couldn't execute the command {} : {}".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {} : {}".format(cmd, stderr))
if re.findall(name, stdout):
cmd = 'virsh destroy {}'.format(name)
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
logging.debug(stderr)
- raise RuntimeError("Couldn't execute the command {} : {}".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {} : {}".format(
+ cmd, stderr))
def create_iperf_vm(self, vmname):
"""
- After asking the user some questions, create a VM and connect the interfaces
- to VPP interfaces
+ After asking the user some questions, create a VM and connect
+ the interfaces to VPP interfaces
"""
# Read the iperf VM template file
distro = VPPUtil.get_linux_distro()
if distro[0] == 'Ubuntu':
- tfilename = '{}/vpp/vpp-config/configs/iperf-ubuntu.xml.template'.format(self._rootdir)
+ tfilename = \
+ '{}/vpp/vpp-config/configs/iperf-ubuntu.xml.template'.format(
+ self._rootdir)
else:
- tfilename = '{}/vpp/vpp-config/configs/iperf-centos.xml.template'.format(self._rootdir)
+ tfilename = \
+ '{}/vpp/vpp-config/configs/iperf-centos.xml.template'.format(
+ self._rootdir)
with open(tfilename, 'r') as tfile:
tcontents = tfile.read()
tfile.close()
# Add the variables
- imagename = '{}/vpp/vpp-config/{}'.format(self._rootdir, IPERFVM_IMAGE)
+ imagename = '{}/vpp/vpp-config/{}'.format(
+ self._rootdir, IPERFVM_IMAGE)
isoname = '{}/vpp/vpp-config/{}'.format(self._rootdir, IPERFVM_ISO)
- tcontents = tcontents.format(vmname=vmname, imagename=imagename, isoname=isoname,
+ tcontents = tcontents.format(vmname=vmname, imagename=imagename,
+ isoname=isoname,
vhostsocketname=self._sockfilename)
# Write the xml
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
logging.debug(stderr)
- raise RuntimeError("Couldn't execute the command {} : {}".format(cmd, stderr))
+ raise RuntimeError(
+ "Couldn't execute the command {} : {}".format(cmd, stderr))
Code Review / vpp.git / commitdiff