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")
def __saveIfcfgFile(self):
"""
Save ifcfg file for current NIC and for its bridge, if it is applicable.
@rtype: None
@returns: Nothing
"""
# Saving network cfg file
self.__logger.debug("Writing on ISO image ethConfigFile:")
for line in pprint.pformat(self.__ethConfigFile).split('\n'):
self.__logger.debug(line)
Network.writeConfigFile(self.__ethConfigFile)
if self.__hasBridge:
self.__logger.debug("Writing on ISO image brConfigFile:")
for line in pprint.pformat(self.__brConfigFile).split('\n'):
self.__logger.debug(line)
Network.writeConfigFile(self.__brConfigFile)
else:
Network.deleteBrConfigFile(self.__ethConfigFile['DEVICE'])
def __saveConfig(self):
"""
Write the configuration into the file
@rtype: None
@returns: nothing
"""
# bridge
if self.__bridge.selected():
self.__dev.setBridge(True)
else:
self.__dev.setBridge(False)
# device
self.__dev.setDev(self.__interface, self.__macaddr)
# onboot
if self.__hasLink():
if self.__enable.selected():
self.__dev.setOnBoot(True)
else:
self.__dev.setOnBoot(False)
else:
self.__dev.setOnBoot(False)
# dns
self.__dev.setDNS()
# dhcp
if self.__dhcp.selected():
self.__dev.enableDHCP(True)
else:
self.__dev.enableDHCP(False)
self.__dev.setIp(self.__ip.value())
self.__dev.setNetmask(self.__netmask.value())
self.__dev.setGateway(self.__gateway.value())
# Saving network cfg file
Network.writeConfigFile(self.__dev.getEthConfigFile())
if self.__dev.hasBridge():
Network.writeConfigFile(self.__dev.getBrConfigFile())
else:
Network.deleteBrConfigFile(self.__interface)
