def mininet(self, topo, start=True):
def cleanup():
# Clean up leftovers from previous tests
bigtest.sudo(
"killall ofdatapath 2>/dev/null; killall ofprotocol"
" 2>/dev/null; true",
trace=False)
cleanup()
atexit.register(cleanup)
# Disable IPv6 to avoid discovery chatter and work around Java bug 7075227
bigtest.sudo("sysctl -q -w net.ipv6.conf.all.disable_ipv6=1",
trace=False)
def remoteController(name):
return mininet.node.RemoteController(name,
defaultIP=self.ipAddress())
net = mininet.net.Mininet(topo=topo,
switch=mininet.node.UserSwitch,
controller=remoteController)
if start:
net.start()
self.waitForNet(net)
return net
def powerOn(self):
user = pwd.getpwuid(os.getuid())[0]
tf, tfn = tempfile.mkstemp()
os.fchmod(tf, 0755)
os.write(tf, "#!/bin/sh\nifconfig $1 up\n")
os.write(tf, "brctl addif %s $1\n" % self.controlBridge())
os.close(tf)
try:
bigtest.sudo(
["kvm",
"-runas", user,
"-daemonize",
"-nographic",
"-pidfile", os.path.join(self.statedir_, "pid"),
"-vnc", ":%d" % (self.vncPort()-5900),
"-qmp", "unix:%s,server,nowait" % os.path.join(self.statedir_, "monitor"),
"-serial", "unix:%s,server,nowait" % os.path.join(self.statedir_, "console"),
"-net", "tap,ifname=%s,script=%s,downscript=no" % (self.name(), tfn)]
+ list(self.vmArgs()))
finally:
for fn in ["pid", "monitor", "console"]:
p = os.path.join(self.statedir_, fn)
if os.path.exists(p):
bigtest.sudo(["chown", user, p])
os.unlink(tfn)
def stop(self):
bigtest.tryToStopProcess(bigtest.readPidFile(os.path.join(self.statedir_, "pid")))
bridges, intfBridges = bigtest.bridgeInfo()
config = self.config()
sw = 0
for vlans in config.get("switch_intf_vlans"):
intf = 0
for v in vlans:
bridge = intfBridges.get("%s.%s" % (self.name_, v))
if os.path.exists("/sys/class/net/%s" % bridge):
bigtest.sudo(["ifconfig", bridge, "down"])
bigtest.sudo(["brctl", "delbr", bridge])
intf += 1
sw += 1
bigtest.run(["rm", "-rf", self.statedir_])
def stop(self):
bigtest.tryToStopProcess(
bigtest.readPidFile(os.path.join(self.statedir_, "pid")))
bridges, intfBridges = bigtest.bridgeInfo()
config = self.config()
sw = 0
for vlans in config.get("switch_intf_vlans"):
intf = 0
for v in vlans:
bridge = intfBridges.get("%s.%s" % (self.name_, v))
if os.path.exists("/sys/class/net/%s" % bridge):
bigtest.sudo(["ifconfig", bridge, "down"])
bigtest.sudo(["brctl", "delbr", bridge])
intf += 1
sw += 1
bigtest.run(["rm", "-rf", self.statedir_])
def mininet(self, topo, start=True):
def cleanup():
# Clean up leftovers from previous tests
bigtest.sudo("killall ofdatapath 2>/dev/null; killall ofprotocol"
" 2>/dev/null; true", trace=False)
cleanup()
atexit.register(cleanup)
# Disable IPv6 to avoid discovery chatter and work around Java bug 7075227
bigtest.sudo("sysctl -q -w net.ipv6.conf.all.disable_ipv6=1", trace=False)
def remoteController(name):
return mininet.node.RemoteController(name, defaultIP=self.ipAddress())
net = mininet.net.Mininet(topo=topo,
switch=mininet.node.UserSwitch,
controller=remoteController)
if start:
net.start()
self.waitForNet(net)
return net
def start(self, consoleCommand, ipAddress):
Node.start(self)
self.setConsoleCommand(consoleCommand)
if ipAddress:
self.setIpAddress(ipAddress)
bigtest.sudo("ip link del %s 2>/dev/null || :" % self.name_)
bigtest.sudo(["ip", "link", "add", "name", "%s" % self.name_,
"type", "veth", "peer", "name", "%s-s" % self.name_])
bigtest.sudo(["ifconfig", "%s" % self.name_, "up"])
bigtest.sudo(["ifconfig", "%s-s" % self.name_, ipAddress,
"netmask", "255.255.255.0", "up"])
else:
self.setIpAddress("127.0.0.1")
def stop(self):
if self.ipAddress() != "127.0.0.1":
bigtest.sudo("ip link del %s 2>/dev/null || :" % self.name_)
Node.stop(self)
def start(self, controlBridge):
bigtest.run(["rm", "-rf", self.statedir_])
bigtest.run(["mkdir", "-p", self.statedir_])
file(os.path.join(self.statedir_, "class"), "w").write(
"%s.%s\n" % (self.__class__.__module__, self.__class__.__name__))
config = self.config()
x = config.get("host")
if ":" in x:
host, port = x.split(":")
else:
host, port = x, "5094"
user = pwd.getpwuid(os.getuid())[0]
try:
bigtest.sudo(["openvpn", "--daemon", "--user", user,
"--writepid", os.path.join(self.statedir_, "pid"),
"--log", os.path.join(self.statedir_, "log"),
"--dev", self.name_, "--dev-type", "tap",
"--auth", "none", "--cipher", "none",
"--ping", "10", "--ping-restart", "60",
"--nobind", "--remote", host, port])
for fn in ["log", "pid"]:
bigtest.sudo(["chown", user, os.path.join(self.statedir_, fn)])
bigtest.sudo(["ifconfig", self.name_, "up"])
controlVlan = str(config.get("control_vlan"))
bigtest.sudo(["vconfig", "add", self.name_, controlVlan])
bigtest.sudo(["ifconfig", "%s.%s" % (self.name_, controlVlan), "up"])
bigtest.sudo(["brctl", "addif", controlBridge, "%s.%s" % (self.name_, controlVlan)])
sw = 0
for vlans in config.get("switch_intf_vlans"):
intf = 0
for v in vlans:
vlan = "%s" % v
bridge = "%s-s%d-p%dbr" % (self.name_, sw, intf)
bigtest.sudo(["vconfig", "add", self.name_, vlan])
bigtest.sudo(["ifconfig", "%s.%s" % (self.name_, vlan), "up"])
if os.path.exists("/sys/class/net/%s" % bridge):
bigtest.sudo(["ifconfig", bridge, "down"])
bigtest.sudo(["brctl", "delbr", bridge])
bigtest.sudo(["brctl", "addbr", bridge])
bigtest.sudo(["ifconfig", bridge, "up"])
bigtest.sudo(["brctl", "addif", bridge, "%s.%s" % (self.name_, vlan)])
intf += 1
sw += 1
for i in reversed(range(10)):
try:
bigtest.run(["ping", "-c", "2", config.get("control_ipaddr")])
break
except bigtest.CalledProcessError:
if i < 1:
raise Exception("Failed to communicate with %s control address" % self.name_)
except:
bigtest.sudo(["cat", os.path.join(self.statedir_, "log")])
raise
def cleanup():
# Clean up leftovers from previous tests
bigtest.sudo("killall ofdatapath 2>/dev/null; killall ofprotocol"
" 2>/dev/null; true", trace=False)
def start(self, controlBridge):
bigtest.run(["rm", "-rf", self.statedir_])
bigtest.run(["mkdir", "-p", self.statedir_])
file(os.path.join(self.statedir_, "class"), "w").write(
"%s.%s\n" % (self.__class__.__module__, self.__class__.__name__))
config = self.config()
x = config.get("host")
if ":" in x:
host, port = x.split(":")
else:
host, port = x, "5094"
user = pwd.getpwuid(os.getuid())[0]
try:
bigtest.sudo([
"openvpn", "--daemon", "--user", user, "--writepid",
os.path.join(self.statedir_, "pid"), "--log",
os.path.join(self.statedir_,
"log"), "--dev", self.name_, "--dev-type", "tap",
"--auth", "none", "--cipher", "none", "--ping", "10",
"--ping-restart", "60", "--nobind", "--remote", host, port
])
for fn in ["log", "pid"]:
bigtest.sudo(["chown", user, os.path.join(self.statedir_, fn)])
bigtest.sudo(["ifconfig", self.name_, "up"])
controlVlan = str(config.get("control_vlan"))
bigtest.sudo(["vconfig", "add", self.name_, controlVlan])
bigtest.sudo(
["ifconfig",
"%s.%s" % (self.name_, controlVlan), "up"])
bigtest.sudo([
"brctl", "addif", controlBridge,
"%s.%s" % (self.name_, controlVlan)
])
sw = 0
for vlans in config.get("switch_intf_vlans"):
intf = 0
for v in vlans:
vlan = "%s" % v
bridge = "%s-s%d-p%dbr" % (self.name_, sw, intf)
bigtest.sudo(["vconfig", "add", self.name_, vlan])
bigtest.sudo(
["ifconfig",
"%s.%s" % (self.name_, vlan), "up"])
if os.path.exists("/sys/class/net/%s" % bridge):
bigtest.sudo(["ifconfig", bridge, "down"])
bigtest.sudo(["brctl", "delbr", bridge])
bigtest.sudo(["brctl", "addbr", bridge])
bigtest.sudo(["ifconfig", bridge, "up"])
bigtest.sudo([
"brctl", "addif", bridge,
"%s.%s" % (self.name_, vlan)
])
intf += 1
sw += 1
for i in reversed(range(10)):
try:
bigtest.run(
["ping", "-c", "2",
config.get("control_ipaddr")])
break
except bigtest.CalledProcessError:
if i < 1:
raise Exception(
"Failed to communicate with %s control address" %
self.name_)
except:
bigtest.sudo(["cat", os.path.join(self.statedir_, "log")])
raise
def cleanup():
# Clean up leftovers from previous tests
bigtest.sudo(
"killall ofdatapath 2>/dev/null; killall ofprotocol"
" 2>/dev/null; true",
trace=False)
