-#!/usr/bin/python2 -u
+#!/usr/bin/python
# Copyright (c) 2003 Intel Corporation
# All rights reserved.
from Exceptions import *
import utils
import systeminfo
+import shutil
+def kernelHasMkinitrd():
+ # 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
+
+
+# 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):
+ try:
+ [ a,b,c,d]=file('%s/etc/redhat-release'%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" >> %s/etc/sysconfig/mkinitrd/noraid' % sysimg_path)
+ utils.sysexec_noerr('chmod 755 %s/etc/sysconfig/mkinitrd/noraid' % sysimg_path)
+ except:
+ pass
+
+
def Run( vars, log ):
"""
Rebuilds the system initrd, on first install or in case the
except ValueError, var:
raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
- # mkinitrd attempts to determine if the root fs is on a logical
- # volume by checking if the root device contains /dev/mapper in
- # its path. The device node must exist for the check to succeed,
- # but since it's usually managed by devfs or udev, so is probably
- # not present, we just create a dummy file.
-
- fake_root_lvm= False
- if not os.path.exists( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) ):
- fake_root_lvm= True
- utils.makedirs( "%s/dev/mapper" % SYSIMG_PATH )
- rootdev= file( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]), "w" )
- rootdev.close()
+ # 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)
initrd, kernel_version= systeminfo.getKernelVersion(vars,log)
- utils.removefile( "%s/boot/%s" % (SYSIMG_PATH, initrd) )
- utils.sysexec( "chroot %s mkinitrd -v /boot/initrd-%s.img %s" % \
- (SYSIMG_PATH, kernel_version, kernel_version), log )
+ try:
+ utils.removefile( "%s/boot/%s" % (SYSIMG_PATH, initrd) )
+ except:
+ print "%s/boot/%s is already removed" % (SYSIMG_PATH, initrd) )
+
+ # hack for CentOS 5.3
+ bypassRaidIfNeeded(SYSIMG_PATH)
+ if kernelHasMkinitrd() == True:
+ utils.sysexec_chroot( SYSIMG_PATH, "mkinitrd -v /boot/initrd-%s.img %s" % \
+ (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( SYSIMG_PATH, "/tmp/mkinitrd.sh %s" % (kernel_version))
+
+ utils.sysexec_noerr("umount %s/sys" % SYSIMG_PATH)
+ utils.sysexec_noerr("umount %s/dev" % SYSIMG_PATH)
- if fake_root_lvm == True:
- utils.removefile( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) )