iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/CENTOS/30-mkinitrd

   1 #! /bin/bash
   2
   3 # (c) Michael Goetze, 2010-2011, mgoetze@mgoetze.net
   4 # (c) Thomas Lange, 2011, Uni Koeln
   5
   6 error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
   7
   8 ainsl -v /etc/fstab "proc       /proc   proc    defaults        0 0"
   9 ainsl -v /etc/fstab "sysfs      /sys    sysfs   auto            0 0"
  10
  11 version=`$ROOTCMD rpm -qv kernel | cut -d- -f2-`
  12
  13 use_mkinitrd() {
  14
  15     # CentOS 5 uses mkinitrd
  16     $ROOTCMD kudzu -q -k $version
  17     # Unfortunately mkinitrd is horrible at guessing which modules to include,
  18     # especially when the running kernel is different than the kernel for which
  19     # we are creating an initrd...
  20
  21     drivers=""
  22     for bus in pci virtio; do
  23         for dr in `$ROOTCMD kudzu -p -k $version -b $bus|grep driver:|cut -d' ' -f2|sort -u`; do
  24             found=`find $target/lib/modules/$version/ -name $dr.ko 2>/dev/null`
  25             if [ -n "$found" ]; then
  26                 # add driver only if it's available as .ko module in the destination kernel
  27                 drivers+=" --with=$dr"
  28             fi
  29         done
  30     done
  31
  32     $ROOTCMD mkinitrd -f -v $drivers /boot/initrd-$version.img $version
  33
  34     if [ $? -eq 1 ]; then
  35         echo "WARNING: generating initrd with list of drivers failed. Trying without."
  36         $ROOTCMD mkinitrd -f -v /boot/initrd-$version.img $version
  37     fi
  38 }
  39
  40 # CentOS 5 uses mkinitrd
  41 if [ -f $target/sbin/mkinitrd ]; then
  42     use_mkinitrd
  43 fi
  44
  45 # call dracut for CentOS 7
  46 if [ -f $target/usr/sbin/dracut ]; then
  47     # add filesystem driver into initrd
  48     ainsl -av /etc/dracut.conf.d/fai.conf 'filesystems+="ext4"'
  49     $ROOTCMD dracut -v --kver $version --force
  50 fi
  51
  52 # for CentOS 6 we do not need to call dracut
  53
  54 exit $error