X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FMakeInitrd.py;h=f6f2d038af39bbf274f520ef13ec38da33c3daff;hb=d531cfaf5185ca1e74a5f15c2e3b1254968200de;hp=043db9c3f7794fe1638ec741355f1de09e208761;hpb=058804ef1dd26ffb3f230b9a93f1e170e6e87291;p=bootmanager.git diff --git a/source/steps/MakeInitrd.py b/source/steps/MakeInitrd.py index 043db9c..f6f2d03 100644 --- a/source/steps/MakeInitrd.py +++ b/source/steps/MakeInitrd.py @@ -1,64 +1,84 @@ #!/usr/bin/python - +# # Copyright (c) 2003 Intel Corporation # All rights reserved. # # Copyright (c) 2004-2006 The Trustees of Princeton University # All rights reserved. -import os, string +from __future__ import print_function + +import os from Exceptions import * import utils import systeminfo -import shutil -def Run( vars, log ): +# for centos5.3 +# 14:42:27(UTC) No module dm-mem-cache found for kernel 2.6.22.19-vs2.3.0.34.33.onelab, aborting. +# http://kbase.redhat.com/faq/docs/DOC-16528;jsessionid=7E984A99DE8DB094D9FB08181C71717C.ab46478d +def bypassRaidIfNeeded(sysimg_path, log): + try: + a, b, c, d = file('{}/etc/redhat-release'.format(sysimg_path))\ + .readlines()[0].strip().split() + if a != 'CentOS': + return + major, minor = [ int(x) for x in c.split('.') ] + if minor >= 3: + utils.sysexec_noerr('echo "DMRAID=no" >> {}/etc/sysconfig/mkinitrd/noraid' + .format(sysimg_path), log) + utils.sysexec_noerr('chmod 755 {}/etc/sysconfig/mkinitrd/noraid' + .format(sysimg_path), log) + except: + pass + + +def Run(vars, log): """ Rebuilds the system initrd, on first install or in case the hardware changed. """ - log.write( "\n\nStep: Rebuilding initrd\n" ) + log.write("\n\nStep: Rebuilding initrd\n") # make sure we have the variables we need try: - SYSIMG_PATH= vars["SYSIMG_PATH"] + SYSIMG_PATH = vars["SYSIMG_PATH"] if SYSIMG_PATH == "": - raise ValueError, "SYSIMG_PATH" + raise ValueError("SYSIMG_PATH") - PARTITIONS= vars["PARTITIONS"] + PARTITIONS = vars["PARTITIONS"] if PARTITIONS == None: - raise ValueError, "PARTITIONS" + raise ValueError("PARTITIONS") - except KeyError, var: - raise BootManagerException, "Missing variable in vars: %s\n" % var - except ValueError, var: - raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var + except KeyError as var: + raise BootManagerException("Missing variable in vars: {}\n".format(var)) + except ValueError as var: + raise BootManagerException("Variable in vars, shouldn't be: {}\n".format(var)) # mkinitrd needs /dev and /proc to do the right thing. # /proc is already mounted, so bind-mount /dev here - utils.sysexec("mount -o bind /dev %s/dev" % SYSIMG_PATH) - utils.sysexec("mount -t sysfs none %s/sys" % SYSIMG_PATH) + # xxx tmp - trying to work around the f14 case: + # check that /dev/ is mounted with devtmpfs + # tmp - sysexec_noerr not returning what one would expect + # if utils.sysexec_noerr ("grep devtmpfs /proc/mounts") != 0: + utils.sysexec_noerr("mount -t devtmpfs none /dev") + utils.sysexec("mount -o bind /dev {}/dev".format(SYSIMG_PATH)) + utils.sysexec("mount -t sysfs none {}/sys".format(SYSIMG_PATH)) + + initrd, kernel_version = systeminfo.getKernelVersion(vars,log) + try: + utils.removefile("{}/boot/{}".format(SYSIMG_PATH, initrd)) + except: + log.write("{}/boot/{} is already removed\n".format(SYSIMG_PATH, initrd)) - initrd, kernel_version= systeminfo.getKernelVersion(vars,log) - utils.removefile( "%s/boot/%s" % (SYSIMG_PATH, initrd) ) - if checkKern() == True: - utils.sysexec( "chroot %s mkinitrd -v /boot/initrd-%s.img %s" % \ - (SYSIMG_PATH, kernel_version, kernel_version), log ) - else: - shutil.copy("./mkinitrd.sh","%s/tmp/mkinitrd.sh" % SYSIMG_PATH) - os.chmod("%s/tmp/mkinitrd.sh" % SYSIMG_PATH, 755) - utils.sysexec( "chroot %s /tmp/mkinitrd.sh %s" % (SYSIMG_PATH, kernel_version)) + # hack for CentOS 5.3 + bypassRaidIfNeeded(SYSIMG_PATH , log) + # specify ext3 for fedora14 and above as their default fs is ext4 + utils.sysexec_chroot(SYSIMG_PATH, + "mkinitrd -v --with=ext3 --allow-missing /boot/initrd-{}.img {}" + .format(kernel_version, kernel_version), log) - utils.sysexec_noerr("umount %s/sys" % SYSIMG_PATH) - utils.sysexec_noerr("umount %s/dev" % SYSIMG_PATH) + utils.sysexec_noerr("umount {}/sys".format(SYSIMG_PATH), log) + utils.sysexec_noerr("umount {}/dev".format(SYSIMG_PATH), log) -def checkKern(): - # Older bootcds only support LinuxThreads. This hack is to get mkinitrd - # to run without segfaulting by using /lib/obsolete/linuxthreads - kver = os.popen("/bin/uname -r", "r").readlines()[0].rstrip().split(".") - if int(kver[1]) > 4: - return True - elif int(kver[1]) <=4: - return False