--- /dev/null
+#!/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
+
+from Exceptions import *
+import utils
+import systeminfo
+
+# 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('%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 , log )
+ utils.sysexec_noerr('chmod 755 %s/etc/sysconfig/mkinitrd/noraid' % 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" )
+
+ # make sure we have the variables we need
+ try:
+ SYSIMG_PATH= vars["SYSIMG_PATH"]
+ if SYSIMG_PATH == "":
+ raise ValueError, "SYSIMG_PATH"
+
+ PARTITIONS= vars["PARTITIONS"]
+ if PARTITIONS == None:
+ 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
+
+ # mkinitrd needs /dev and /proc to do the right thing.
+ # /proc is already mounted, so bind-mount /dev here
+ # 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 %s/dev" % SYSIMG_PATH)
+ utils.sysexec("mount -t sysfs none %s/sys" % SYSIMG_PATH)
+
+ initrd, kernel_version= systeminfo.getKernelVersion(vars,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 , 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-%s.img %s" % \
+ (kernel_version, kernel_version), log )
+
+ utils.sysexec_noerr("umount %s/sys" % SYSIMG_PATH , log )
+ utils.sysexec_noerr("umount %s/dev" % SYSIMG_PATH , log)
+