def test(self, test, params, env):
iperf_src_path = os.path.join(test.virtdir, "deps")
self.iperf_b_path = os.path.join("iperf-2.0.4", "src", "iperf")
error.context("Install iperf to vms machine.")
utils_misc.ForAllP(
self.machines).compile_autotools_app_tar(iperf_src_path,
"iperf-2.0.4.tar.gz")
allow_iperf_firewall(self.host)
utils_misc.ForAllP(self.mvms).cmd("iptables -F")
self.start_servers()
# Test TCP bandwidth
error.context("Test iperf bandwidth tcp.")
speeds = self.test_bandwidth()
logging.info("TCP Bandwidth from vm->host: %s", speeds[0])
logging.info("TCP Bandwidth from host->vm: %s", speeds[1])
logging.info("TCP Bandwidth from vm->vm: %s", speeds[2])
# test udp bandwidth limited to 1Gb
error.context("Test iperf bandwidth udp.")
speeds = self.test_bandwidth("-u -b 1G")
logging.info("UDP Bandwidth from vm->host: %s", speeds[0])
logging.info("UDP Bandwidth from host->vm: %s", speeds[1])
logging.info("UDP Bandwidth from vm->vm: %s", speeds[2])
def start_servers(self):
utils_misc.ForAllP(
self.machines).cmd_in_src("%s -s &> /dev/null &" %
(self.iperf_b_path))
utils_misc.ForAllP(
self.machines).cmd_in_src("%s -s -u &> /dev/null &" %
(self.iperf_b_path))
def setup(self, test, params, env):
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
while self.br0_name in utils_net.get_net_if():
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
self.br0_ip = params.get("bridge_ip", "192.168.250.1")
self.ovs = None
error.context("Try to log into guest.")
self.vms = [env.get_vm(vm) for vm in params.get("vms").split()]
for vm in self.vms:
vm.verify_alive()
error.context("Start OpenVSwitch.")
self.ovs = versionable_class.factory(openvswitch.OpenVSwitchSystem)()
self.ovs.init_system()
self.ovs.check()
error.context("Add new bridge %s." % (self.br0_name))
self.ovs.add_br(self.br0_name)
utils_net.set_net_if_ip(self.br0_name, self.br0_ip)
utils_net.bring_up_ifname(self.br0_name)
self.dns_pidf = (utils_net.check_add_dnsmasq_to_br(self.br0_name,
test.tmpdir))
error.context("Add new ports from vms %s to bridge %s." %
(self.vms, self.br0_name))
for vm in self.vms:
utils_net.change_iface_bridge(vm.virtnet[1],
self.br0_name,
self.ovs)
logging.debug(self.ovs.status())
self.host = ovs_utils.Machine(src=test.srcdir)
self.mvms = [ovs_utils.Machine(vm) for vm in self.vms]
self.machines = [self.host] + self.mvms
# ForAllP(self.mvms).cmd("dhclinet")
time.sleep(5)
utils_misc.ForAllP(self.machines).fill_addrs()
