ovs test utility that allows to do tests between remote hosts
"""
-import twisted
-import xmlrpclib
-import time
-import socket
+import fcntl
import math
-from ovstest import args, rpcserver
+import os
+import select
+import signal
+import socket
+import subprocess
+import sys
+import time
+import xmlrpclib
+import argparse
+import twisted
-def bandwidth_to_string(bwidth):
- """Convert bandwidth from long to string and add units"""
- bwidth = bwidth * 8 # Convert back to bits/second
- if bwidth >= 10000000:
- return str(int(bwidth / 1000000)) + "Mbps"
- elif bwidth > 10000:
- return str(int(bwidth / 1000)) + "Kbps"
- else:
- return str(int(bwidth)) + "bps"
+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])
- server1 = xmlrpclib.Server("http://%s:%u/" % (node[0], node[1]))
- interface_name = server1.get_interface(node[2])
- uname = server1.uname()
+ server = util.rpc_client(node[0], node[1])
+ interface_name = server.get_interface(node[0])
+ phys_iface = None
+ uname = server.uname()
mtu = 1500
- if interface_name == "":
+ if not interface_name:
print ("Could not find interface that has %s IP address."
- "Make sure that you specified correct Test IP." % (node[2]))
+ "Make sure that you specified correct Outer IP." % (node[0]))
else:
- mtu = server1.get_interface_mtu(interface_name)
- driver = server1.get_driver(interface_name)
- print "Will be using %s(%s) with MTU %u" % (interface_name, node[2],
+ 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 driver == "":
- print "Install ethtool on this host to get NIC driver information"
+ if not driver:
+ print "Unable to get driver information from ethtool."
else:
- print "On this host %s has %s." % (interface_name, driver)
+ print "On this host %s has %s." % (phys_iface, driver)
- if uname == "":
+ if not uname:
print "Unable to retrieve kernel information. Is this Linux?"
else:
print "Running kernel %s." % uname
print "\n"
- return mtu
-
-def do_udp_tests(receiver, sender, tbwidth, duration, sender_mtu):
- """Schedule UDP tests between receiver and sender"""
- server1 = xmlrpclib.Server("http://%s:%u/" % (receiver[0], receiver[1]))
- server2 = xmlrpclib.Server("http://%s:%u/" % (sender[0], sender[1]))
-
- udpformat = '{0:>15} {1:>15} {2:>15} {3:>15} {4:>15}'
-
- print ("UDP test from %s:%u to %s:%u with target bandwidth %s" %
- (sender[0], sender[1], receiver[0], receiver[1],
- bandwidth_to_string(tbwidth)))
- print udpformat.format("Datagram Size", "Snt Datagrams", "Rcv Datagrams",
- "Datagram Loss", "Bandwidth")
-
- for size in [8, sender_mtu - 100, sender_mtu - 28, sender_mtu]:
- listen_handle = -1
- send_handle = -1
- try:
- packetcnt = (tbwidth * duration) / size
-
- listen_handle = server1.create_udp_listener(receiver[3])
- if listen_handle == -1:
- print ("Server could not open UDP listening socket on port"
- " %u. Try to restart the server.\n" % receiver[3])
- return
- send_handle = server2.create_udp_sender(
- (receiver[2], receiver[3]),
- packetcnt, size, duration)
-
- #Using sleep here because there is no other synchronization source
- #that would notify us when all sent packets were received
- time.sleep(duration + 1)
-
- rcv_packets = server1.get_udp_listener_results(listen_handle)
- snt_packets = server2.get_udp_sender_results(send_handle)
-
- loss = math.ceil(((snt_packets - rcv_packets) * 10000.0) /
- snt_packets) / 100
- bwidth = (rcv_packets * size) / duration
-
- print udpformat.format(size, snt_packets, rcv_packets,
- '%.2f%%' % loss, bandwidth_to_string(bwidth))
- finally:
- if listen_handle != -1:
- server1.close_udp_listener(listen_handle)
- if send_handle != -1:
- server2.close_udp_sender(send_handle)
- print "\n"
-
-
-def do_tcp_tests(receiver, sender, duration):
- """Schedule TCP tests between receiver and sender"""
- server1 = xmlrpclib.Server("http://%s:%u/" % (receiver[0], receiver[1]))
- server2 = xmlrpclib.Server("http://%s:%u/" % (sender[0], sender[1]))
+ return mtu
- tcpformat = '{0:>15} {1:>15} {2:>15}'
- print "TCP test from %s:%u to %s:%u (full speed)" % (sender[0], sender[1],
- receiver[0], receiver[1])
- print tcpformat.format("Snt Bytes", "Rcv Bytes", "Bandwidth")
- listen_handle = -1
- send_handle = -1
+if __name__ == '__main__':
+ local_server = None
try:
- listen_handle = server1.create_tcp_listener(receiver[3])
- if listen_handle == -1:
- print ("Server was unable to open TCP listening socket on port"
- " %u. Try to restart the server.\n" % receiver[3])
- return
- send_handle = server2.create_tcp_sender(receiver[2], receiver[3],
- duration)
+ ovs_args = args.ovs_initialize_args()
- time.sleep(duration + 1)
+ if ovs_args.port is not None: # Start in pure server mode
+ rpcserver.start_rpc_server(ovs_args.port)
- rcv_bytes = long(server1.get_tcp_listener_results(listen_handle))
- snt_bytes = long(server2.get_tcp_sender_results(send_handle))
+ elif ovs_args.servers is not None: # Run in client mode
+ node1 = ovs_args.servers[0]
+ node2 = ovs_args.servers[1]
- bwidth = rcv_bytes / duration
+ # 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])
- print tcpformat.format(snt_bytes, rcv_bytes,
- bandwidth_to_string(bwidth))
- finally:
- if listen_handle != -1:
- server1.close_tcp_listener(listen_handle)
- if send_handle != -1:
- server2.close_tcp_sender(send_handle)
- print "\n"
+ 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)
-if __name__ == '__main__':
- try:
- ovs_args = args.ovs_initialize_args()
+ direct = ovs_args.direct
+ vlan_tag = ovs_args.vlanTag
+ tunnel_modes = ovs_args.tunnelModes
- if ovs_args.port is not None: # Start in server mode
- print "Starting RPC server"
- try:
- rpcserver.start_rpc_server(ovs_args.port)
- except twisted.internet.error.CannotListenError:
- print "Couldn't start XMLRPC server on port %u" % ovs_args.port
+ if direct is not None:
+ print "Performing direct tests"
+ tests.do_direct_tests(node2, node1, bandwidth, interval, ps)
- elif ovs_args.servers is not None: # Run in client mode
- node1 = ovs_args.servers[0]
- node2 = ovs_args.servers[1]
- bandwidth = ovs_args.targetBandwidth
+ if vlan_tag is not None:
+ print "Performing VLAN tests"
+ tests.do_vlan_tests(node2, node1, bandwidth, interval, ps,
+ vlan_tag)
- mtu_node1 = collect_information(node1)
- mtu_node2 = collect_information(node2)
+ for tmode in tunnel_modes:
+ print "Performing", tmode, "tests"
+ tests.do_l3_tests(node2, node1, bandwidth, interval, ps,
+ tmode)
- do_udp_tests(node1, node2, bandwidth, 5, mtu_node1)
- do_udp_tests(node2, node1, bandwidth, 5, mtu_node2)
- do_tcp_tests(node1, node2, 5)
- do_tcp_tests(node2, node1, 5)
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()
git://git.onelab.eu / sliver-openvswitch.git / blobdiff