def run(self, cmd, cwd=None, copy=False, interactive=True):
command = "psexec.exe \\\\%s -s -u %s -p %s" % (self.__host, self.__user, self.__password)
if copy:
command += " -c -f"
if cwd:
command += " -w %s" % cwd
if not interactive:
command += " -d"
command += " -n %s %s" % (self.__timeout, cmd)
logger.debug("psexec command: %s", command)
return OS.run(command)
def run(self, cmd, cwd=None, copy=False, interactive=True):
command = "psexec.exe \\\\%s -s -u %s -p %s" % (
self.__host, self.__user, self.__password)
if copy:
command += " -c -f"
if cwd:
command += " -w %s" % cwd
if not interactive:
command += " -d"
command += " -n %s %s" % (self.__timeout, cmd)
logger.debug("psexec command: %s", command)
return OS.run(command)
def startup(self, instance):
nic = self.machines["m%s" % instance]["nic"]
self._txt.load(file="/etc/sysconfig/network-scripts/ifcfg-%s" % nic)
self._txt.set_param("BOOTPROTO", "static")
self._txt.set_param("DHCPCLASS", "")
self._txt.set_param("IPADDR", self.machines["m%s" % instance]["linkip"])
self._txt.set_param("NETMASK", "255.255.255.0")
self._txt.set_param("ONBOOT", "yes")
self._txt.save()
logger.debug("restart the network interface")
OS.runex("ifdown %s" % nic)
OS.runex("ifup %s" % nic)
self._svc.start()
if not os.path.exists("/proc/drbd"):
raise Exception("ERROR: cannot start drbd service.")
drbd_status = None
logger.debug("*** active resources.")
if instance == 0 :
drbd_status = ".*Primary.*UpToDate.*"
logger.debug("r0, r1 are set as primary.")
OS.runex("drbdadm -- --overwrite-data-of-peer primary r0")
OS.runex("drbdadm -- --overwrite-data-of-peer primary r1")
elif instance == 1:
drbd_status = ".*Secondary.*UpToDate/UpToDate.*"
logger.debug("r0, r1 are set as secondary.")
OS.runex("drbdadm secondary r0")
OS.runex("drbdadm secondary r1")
step_pass = False
logger.debug("*** Waiting for secondary drbd resources to sync")
logger.debug("*** It will take half an hour or more depends on the disk size.")
while not step_pass:
self._txt.load(file="/proc/drbd")
proc_drbd = self._txt.read()
logger.debug("/proc/drbd: \n%s", proc_drbd)
if "sync'ed" not in proc_drbd:
step_pass = True
time.sleep(30)
else:
raise Exception("instance must be 0 or 1")
logger.debug("*** Waiting for drbd resources ready")
drbd_r0_status = 0
drbd_r1_status = 0
while drbd_r0_status != 1 or drbd_r1_status != 1:
self._txt.load(file="/proc/drbd")
proc_drbd = self._txt.read()
logger.debug("/proc/drbd: \n%s", proc_drbd)
if re.search("0:%s" % drbd_status, proc_drbd):
drbd_r0_status = 1
if re.search("1:%s" % drbd_status, proc_drbd):
drbd_r1_status = 1
time.sleep(10)
logger.debug("*** Resources are ready.")
self._txt.load(file="/proc/drbd")
proc_drbd = self._txt.read()
logger.debug("/proc/drbd: \n%s", proc_drbd)
if instance == 0:
logger.debug("*** Format DRBD devices.")
OS.runex("mkfs.ext4 %s" % self.resources["r0"]["device"])
OS.runex("mkfs.ext4 %s" % self.resources["r1"]["device"])
OS.linux.mount( self.resources["r0"]["device"], self.resources["r0"]["dir"], "ext4" )
OS.linux.mount( self.resources["r1"]["device"], self.resources["r1"]["dir"], "ext4" )
(retcode, svc_status) = OS.run("service drbd status")
if retcode != 0:
raise Exception("get drbd service status failed")
if re.search("0:r0%s%s" % (drbd_status, self.resources["r0"]["dir"]), svc_status) and re.search("1:r1%s%s" % (drbd_status, self.resources["r1"]["dir"]), svc_status):
logger.debug("drbd installation successfully.")
else:
raise Exception("drbd installation failed.")
File.move( "%s.cache" % self.resources["r0"]["dir"], self.resources["r0"]["dir"] )
File.move( "%s.cache" % self.resources["r1"]["dir"], self.resources["r1"]["dir"] )
self._svc.config(autostart=True)
self._txt.load(file="/etc/fstab")
self._txt.delete(r"%s|%s" % (self.resources["r0"]["disk"], self.resources["r1"]["dir"]))
self._txt.save()
logger.debug("*** DRBD Setup Finished.")
