def onPreInstall(self, data):
"""
Handles the pre install event
@type data: dict
@param data: relevant arguments for that given event
@rtype: None
@returns: Nothing
"""
try:
self.__logger.info("Executing NetworkTopology module (EVT_PRE_INSTALL).")
# NIC status
interfaces = Network.getAvailableInterfaces(False)
activeLinkInterfaces = Network.getLinkedInterfaces(False)
activeInterfaces = Network.getActiveInterfaces(False)
udevInterfaces = Network.getAvailableInterfaces()
udevActiveLinkInterfaces = Network.getLinkedInterfaces()
udevActiveInterfaces = Network.getActiveInterfaces()
self.__logger.debug("Network interfaces:")
for line in pprint.pformat(interfaces).split('\n'):
self.__logger.debug(line)
self.__logger.debug("Network interfaces with link:")
self.__logger.debug("%s" % activeLinkInterfaces)
self.__logger.debug("Network interfaces with network configured:")
self.__logger.debug("%s" % activeInterfaces)
self.__logger.debug("Network interfaces (UDEV):")
for line in pprint.pformat(udevInterfaces).split('\n'):
self.__logger.debug(line)
self.__logger.debug("Network interfaces with link (UDEV):")
self.__logger.debug("%s" % udevActiveLinkInterfaces)
self.__logger.debug("Network interfaces with network configured (UDEV):")
self.__logger.debug("%s" % udevActiveInterfaces)
# Configure network interfaces and bridges
devDict = udevInterfaces
devActiveList = udevActiveInterfaces
if devDict:
self.__fixDracutIfcfgFiles(devDict)
for dev, mac in devDict.iteritems():
ifcfgFile = "/etc/sysconfig/network-scripts/ifcfg-%s" % dev
if not os.path.isfile(ifcfgFile):
self.__setEthConfigFile(dev, mac, devActiveList)
self.__logger.debug("Writing on ISO image ifcfg file:")
self.__logger.debug("%s" % ifcfgFile)
for line in pprint.pformat(self.__configFile).split('\n'):
self.__logger.debug(line)
Network.writeConfigFile(self.__configFile)
else:
self.__logger.debug("No NIC available!")
except Exception as e:
self.__logger.critical("Failed NetworkTopology module")
self.__logger.critical("EXCEPTION:" + str(type(e)))
self.__logger.critical(str(e))
self.__logger.critical("Stacktrace:" + str(traceback.format_exc()))
raise PKVMError("PREINSTALL", "NETWORKTOPOLOGY", "PRE_MODULES")