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#! @PYTHON3@
#
# 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:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
ovs test utility that allows to do tests between remote hosts
"""
import fcntl
import math
import os
import select
import signal
import socket
import subprocess
import sys
import time
import xmlrpclib
import argparse
import twisted
import ovstest.args as args
import ovstest.rpcserver as rpcserver
import ovstest.tests as tests
import ovstest.util as util
DEFAULT_TEST_BRIDGE = "ovstestbr0"
DEFAULT_TEST_PORT = "ovstestport0"
DEFAULT_TEST_TUN = "ovstestport1"
def collect_information(node):
"""Print information about hosts that will do testing"""
print "Node %s:%u " % (node[0], node[1])
server = util.rpc_client(node[0], node[1])
interface_name = server.get_interface(node[0])
phys_iface = None
uname = server.uname()
mtu = 1500
if not interface_name:
print ("Could not find interface that has %s IP address."
"Make sure that you specified correct Outer IP." % (node[0]))
else:
if server.is_ovs_bridge(interface_name):
phys_iface = server.get_iface_from_bridge(interface_name)
else:
phys_iface = interface_name
if phys_iface:
driver = server.get_driver(phys_iface)
mtu = server.get_interface_mtu(phys_iface)
print "Will be using %s (%s) with MTU %u" % (phys_iface, node[0],
mtu)
if not driver:
print "Unable to get driver information from ethtool."
else:
print "On this host %s has %s." % (phys_iface, driver)
if not uname:
print "Unable to retrieve kernel information. Is this Linux?"
else:
print "Running kernel %s." % uname
print "\n"
return mtu
if __name__ == '__main__':
local_server = None
try:
ovs_args = args.ovs_initialize_args()
if ovs_args.port is not None: # Start in pure server mode
rpcserver.start_rpc_server(ovs_args.port)
elif ovs_args.servers is not None: # Run in client mode
node1 = ovs_args.servers[0]
node2 = ovs_args.servers[1]
# Verify whether client will need to spawn a local instance of
# ovs-test server by looking at the first OuterIP. if it is a
# 127.0.0.1 then spawn local ovs-test server.
if node1[0] == "127.0.0.1":
local_server = util.start_local_server(node1[1])
# We must determine the IP address that local ovs-test server
# will use:
me = util.rpc_client(node1[0], node1[1])
my_ip = me.get_my_address_from(node2[0], node2[1])
node1 = (my_ip, node1[1], node1[2], node1[3])
mtu_node2 = collect_information(node2)
mtu_node1 = collect_information(node1)
bandwidth = ovs_args.targetBandwidth
interval = ovs_args.testInterval
ps = util.get_datagram_sizes(mtu_node1, mtu_node2)
direct = ovs_args.direct
vlan_tag = ovs_args.vlanTag
tunnel_modes = ovs_args.tunnelModes
if direct is not None:
print "Performing direct tests"
tests.do_direct_tests(node2, node1, bandwidth, interval, ps)
if vlan_tag is not None:
print "Performing VLAN tests"
tests.do_vlan_tests(node2, node1, bandwidth, interval, ps,
vlan_tag)
for tmode in tunnel_modes:
print "Performing", tmode, "tests"
tests.do_l3_tests(node2, node1, bandwidth, interval, ps,
tmode)
except KeyboardInterrupt:
pass
except xmlrpclib.Fault:
print "Couldn't establish XMLRPC control channel"
except socket.error:
print "Couldn't establish XMLRPC control channel"
except xmlrpclib.ProtocolError:
print "XMLRPC control channel was abruptly terminated"
except twisted.internet.error.CannotListenError:
print "Couldn't start XMLRPC server on port %u" % ovs_args.port
finally:
if local_server is not None:
local_server.terminate()
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