def setupBridge(self, interfaces=[], stp=True):
bridge = "br0"
self.runBridgeCmd("add-br %s" % bridge)
if stp:
self.runBridgeCmd("set bridge %s stp=true" % bridge)
for eth in interfaces:
self.runBridgeCmd("add-port %s %s" % (bridge, eth))
cli = self.cli()
cli.runCmd("sudo ifconfig %s up" % bridge)
for eth in interfaces:
cli.runCmd("sudo ifconfig %s up" % eth)
def revertToInitialSnapshot(self, logLevel=logging.INFO):
log.info("=== Reverting to initial snapshot on node %s", self.name())
if self.imageMode() == "snapshot":
self.revertToSnapshot("initial", logLevel)
self.serialLogin(logLevel)
cli = bigtest.cli.Cli(self.serialConsole(logLevel), self.imageType())
cli.runCmd("sudo hwclock -s -u")
elif self.imageMode() == "persistent":
self.powerOff()
bigtest.run("rm -f %s" % self.image())
bigtest.run("cp %s.initial %s" % (self.image(), self.image()))
self.powerOn()
log.info("=== Finished reverting to initial snapshot on node %s", self.name())
def revertToInitialSnapshot(self, logLevel=logging.INFO):
log.info("=== Reverting to initial snapshot on node %s", self.name())
if self.imageMode() == "snapshot":
self.revertToSnapshot("initial", logLevel)
self.serialLogin(logLevel)
cli = bigtest.cli.Cli(self.serialConsole(logLevel),
self.imageType())
cli.runCmd("sudo hwclock -s -u")
elif self.imageMode() == "persistent":
self.powerOff()
bigtest.run("rm -f %s" % self.image())
bigtest.run("cp %s.initial %s" % (self.image(), self.image()))
self.powerOn()
log.info("=== Finished reverting to initial snapshot on node %s",
self.name())
def startVm(self, name, spec, datastore, wait_for_migration=False):
cli = self.cli()
# create vm folder
vm_dir = os.path.join(datastore, name)
cli.runCmd("sudo mkdir -p %s" % vm_dir)
# copy vmdk file
defaultMount = os.path.join("/mnt", spec.nfsHost,
os.path.basename(spec.nfsShare))
mount = self.mountNas(spec.nfsHost, spec.nfsShare, defaultMount)
srcVmdk = os.path.join(mount, spec.vmdkPath)
dstVmdk = os.path.join(vm_dir, os.path.basename(spec.vmdkPath))
cli.runCmd("sudo cp %s %s" % (srcVmdk, dstVmdk))
# serial
serial = self.serialCounter()
self.setSerialCounter(serial + 1)
monitor = self.monitorCounter()
self.setMonitorCounter(monitor + 1)
# network
mac = "52:54:00:%02x:%02x:%02x" % ((hash(name) >> 16) & 0xff,
(hash(name) >> 8) & 0xff,
hash(name) & 0xff)
ifup = "/etc/ovs-ifup" # ovs-br0
ifdown = "/etc/ovs-ifdown" # ovs-br0
# start kvm
cmdline = ("sudo kvm "
"-name %s "
"-daemonize "
"-nographic "
"-serial telnet::%d,server,nowait "
"-qmp telnet::%d,server,nowait "
"-m %s "
"-hda %s "
"-net nic,macaddr=%s "
"-net tap,script=%s,downscript=%s "
% (name, serial, monitor, spec.memory, dstVmdk,
mac, ifup, ifdown))
if wait_for_migration:
cmdline += " -incoming tcp:0:%d " % (monitor+1000)
self.setCmdline(cmdline)
ret = cli.runCmd(cmdline)
self.setCreatedVms((self.createdVms()) + [name])
return (ret, serial)
def getIPFromSerial(self, logLevel=logging.DEBUG):
self.serialLogin(logLevel)
cli = bigtest.cli.Cli(self.serialConsole(logLevel))
cli.gotoBashMode()
output = cli.runCmd("ifconfig eth0")
m = re.search(r"inet addr:([^\s]+)", output, re.M)
bigtest.Assert(m and m.group(1) != "")
return m.group(1)
def getIPFromSerial(self, logLevel=logging.DEBUG):
self.serialLogin(logLevel)
cli = bigtest.cli.Cli(self.serialConsole(logLevel))
cli.gotoBashMode()
output = cli.runCmd("ifconfig eth0")
m = re.search(r"inet addr:([^\s]+)", output, re.M)
bigtest.Assert(m and m.group(1) != "")
return m.group(1)
def runSerialCmd(self, cmd, interval=5, timeout=600):
exception = Exception("Unknown exception in runSerialCmd()")
timeout_ = time.time() + timeout
while time.time() < timeout_:
try:
console = self.serialConsole()
username = self.username()
self.doSerialLogin(console, username, r"\r\n[-.\w]+ login: "******"linux")
return cli.runCmd(cmd)
except Exception, e:
exception = e
self.serialConsole_ = None
bigtest.log.error("runSerialCmd() failed...")
time.sleep(interval)
def mountNas(self, server, share, mount):
cli = self.cli()
# check if already mounted
pat = re.compile(r"%s:%s on ([^\s]+)" % (re.escape(server),
re.escape(share)))
for line in cli.runCmd("mount").split("\n"):
m = pat.search(line)
if m:
return m.group(1)
cli.runCmd("sudo mkdir -p %s" % mount)
cli.runCmd("sudo sh -c 'echo \"%s:%s %s nfs rw 0 0\" >> /etc/fstab'" \
% (server, share, mount))
cli.runCmd("sudo mount -a")
return mount
def shutdown(self, delay=0, waitForState=False):
cli = self.cli(logging.DEBUG)
cli.gotoBashMode()
cli.runCmd("sudo shutdown -h %d" % delay)
if waitForState:
bigtest.waitForProcessToStop(self.pid())
def reboot(self):
cli = self.cli(logging.DEBUG)
cli.gotoBashMode()
cli.runCmd("sudo reboot")
def reboot(self):
cli = self.cli(logging.DEBUG)
cli.gotoBashMode()
cli.runCmd("sudo reboot")
def shutdown(self, delay=0):
cli = self.cli(logging.DEBUG)
cli.gotoBashMode()
cli.runCmd("sudo shutdown -h %d" % delay)
def runBridgeCmd(self, cmd):
cli = self.cli()
return cli.runCmd("sudo ovs-vsctl --no-wait %s" % cmd)
def runOVSCmd(self, cmd):
cli = self.cli()
return cli.runCmd("sudo ovs-vsctl %s" % cmd)
def shutdown(self, delay=0, waitForState=False):
cli = self.cli(logging.DEBUG)
cli.gotoBashMode()
cli.runCmd("sudo shutdown -h %d" % delay)
if waitForState:
bigtest.waitForProcessToStop(self.pid())