def __downloadNfsFile(self):
"""
Download config file for auto install via NFS.
@rtype : nothing
@returns: nothing
"""
try:
nfsFile = self.__kickstartFile.split('/')[-1]
nfsSections = self.__kickstartFile.split(':')
if len(nfsSections) == 4:
nfsDir = self.__kickstartFile.split(':')[3][:-len(nfsFile)]
nfsOpts = self.__kickstartFile.split(':')[1]
nfsServer = self.__kickstartFile.split(':')[2]
else:
nfsDir = self.__kickstartFile.split(':')[2][:-len(nfsFile)]
nfsServer = self.__kickstartFile.split(':')[1]
nfsOpts = ""
if nfsOpts != "":
nfsMount = "-o " + nfsOpts + " " + nfsServer + ":" + nfsDir
else:
nfsMount = nfsServer + ":" + nfsDir
nfsMount = mount(nfsMount)
nfsFile = os.path.join(nfsMount, nfsFile)
shutil.copy(nfsFile, KICKSTART_FILE)
umount(nfsMount)
self.__kickstartFile = KICKSTART_FILE
except Exception as e:
self.__logger.critical("EXCEPTION:" + str(type(e)))
self.__logger.critical(str(e))
self.__logger.critical("Stacktrace:" + str(traceback.format_exc()))
raise PKVMError("PREINSTALL", "INSTALLAUTO", "DOWNLOAD_NFS")
def getPowerKVMBootPartitions(self, boot_parts=None):
"""Get a list of PowerKVM boot partitions that need to be erased.
Each boot partition is searched for PowerKVM strings in grub.cfg.
@rtype: List
@return: A list of boot partitions to be erased"""
if boot_parts == None:
self.__logger.debug("getPowerKVMBootPartitions(): boot_parts == None")
return None
# mount each partition in boot_parts
# search for <boot mnt>/grub2/grub.cfg
# grep 'ibmpkvm_' in grub.cfg
# add partition to list if above grep is true
pkvm_boot_parts = []
for part in boot_parts:
self.__logger.debug("getPowerKVMBootPartitions(): part = {0}".format(part))
mnt = mount(part)
self.__logger.debug("getPowerKVMBootPartitions(): mnt = {0}".format(mnt))
if mnt == None:
continue
grubcfg = os.path.join(mnt, "grub2/grub.cfg")
self.__logger.debug("getPowerKVMBootPartitions(): grubcfg = {0}".format(grubcfg))
if os.path.exists(grubcfg):
self.__logger.debug("getPowerKVMBootPartitions(): file {0} exists".format(grubcfg))
with open(grubcfg, 'r') as g:
lines = g.readlines()
g.close()
for line in lines:
if VGROOT in line:
self.__logger.debug("getPowerKVMBootPartitions(): {0} found in file {1}, line = {2}".format(VGROOT, grubcfg, line))
pkvm_boot_parts.append(part)
# found one entry, don't need to continue
# reading the lines
break
else:
self.__logger.debug("getPowerKVMBootPartitions(): no such file {0}".format(grubcfg))
if umount(mnt) == False:
self.__logger.debug("getPowerKVMBootPartitions(): cannot umount {0} - ignoring".format(mnt))
return list(set(pkvm_boot_parts))
