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
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) )
- if checkKern() == True:
- 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 %s /tmp/mkinitrd.sh %s" % (SYSIMG_PATH, kernel_version))
+ 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)
-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