-#!/usr/bin/python2 -u
-
+#!/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
-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"
-
- 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 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()
-
- 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 )
-
- if fake_root_lvm == True:
- utils.removefile( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) )
+ raise ValueError("PARTITIONS")
+
+ 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
+ # 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))
+
+ # 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 {}/sys".format(SYSIMG_PATH), log)
+ utils.sysexec_noerr("umount {}/dev".format(SYSIMG_PATH), log)
+