iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/GRUB_PC/10-setup

   1 #! /bin/bash
   2 # support for GRUB version 2
   3
   4 error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
   5
   6 set -a
   7
   8 # do not set up grub during dirinstall
   9 if [ "$FAI_ACTION" = "dirinstall" ] ; then
  10     exit 0
  11 fi
  12 # during softupdate use this file
  13 [ -r $LOGDIR/disk_var.sh ] && . $LOGDIR/disk_var.sh
  14
  15 if [ -z "$BOOT_DEVICE" ]; then
  16     exit 189
  17 fi
  18
  19 # disable os-prober because of #788062
  20 ainsl /etc/default/grub 'GRUB_DISABLE_OS_PROBER=true'
  21
  22 # skip the rest, if not an initial installation
  23 if [ $FAI_ACTION != "install" ]; then
  24     $ROOTCMD update-grub
  25     exit $error
  26 fi
  27
  28 GROOT=$($ROOTCMD grub-probe -tdrive -d $BOOT_DEVICE)
  29
  30 # handle /boot in lvm-on-md
  31 _bdev=$(readlink -f $BOOT_DEVICE)
  32 if [ "${_bdev%%-*}" = "/dev/dm" ]; then
  33   BOOT_DEVICE=$( lvs --noheadings -o devices $BOOT_DEVICE | sed -e 's/^*\([^(]*\)(.*$/\1/' )
  34 fi
  35
  36 # Check if RAID is used for the boot device
  37 if [[ $BOOT_DEVICE =~ '/dev/md' ]]; then
  38     raiddev=${BOOT_DEVICE#/dev/}
  39     # install grub on all members of RAID
  40     for device in `LC_ALL=C perl -ne 'if(/^'$raiddev'\s.+raid\d+\s(.+)/){ $_=$1; s/\d+\[\d+\]//g; print }' /proc/mdstat`; do
  41         echo Install grub on /dev/$device
  42         $ROOTCMD grub-install --no-floppy "/dev/$device"
  43     done
  44 else
  45     $ROOTCMD grub-install --no-floppy "$GROOT"
  46     if [ $? -eq 0 ]; then
  47         echo "Grub installed on $BOOT_DEVICE = $GROOT"
  48     fi
  49 fi
  50 $ROOTCMD update-grub
  51
  52 exit $error