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=$(($?>$error?$?:$error))' ERR # save maximum error code
   5
   6 set -x
   7 set -a
   8
   9 # do not set up grub during dirinstall
  10 if [ "$FAI_ACTION" = "dirinstall" ] ; then
  11     exit 0
  12 fi
  13 # during softupdate use this file
  14 [ -r $LOGDIR/disk_var.sh ] && . $LOGDIR/disk_var.sh
  15
  16 if [ -z "$BOOT_DEVICE" ]; then
  17     exit 189
  18 fi
  19
  20 # disable os-prober because of #788062
  21 ainsl /etc/default/grub 'GRUB_DISABLE_OS_PROBER=true'
  22
  23 # skip the rest, if not an initial installation
  24 if [ $FAI_ACTION != "install" ]; then
  25     $ROOTCMD update-grub
  26     exit $error
  27 fi
  28
  29 GROOT=$($ROOTCMD grub-probe -tdrive -d $BOOT_DEVICE)
  30
  31 # handle /boot in lvm-on-md
  32 _bdev=$(readlink -f $BOOT_DEVICE)
  33 if [ "${_bdev%%-*}" = "/dev/dm" ]; then
  34   BOOT_DEVICE=$( lvs --noheadings -o devices $BOOT_DEVICE | sed -e 's/^*\([^(]*\)(.*$/\1/' )
  35 fi
  36
  37 # Check if RAID is used for the boot device
  38 if [[ $BOOT_DEVICE =~ '/dev/md' ]]; then
  39     GROOT=$($ROOTCMD grub-probe -tdrive -d $BOOT_DEVICE)
  40     raiddev=${BOOT_DEVICE#/dev/}
  41     # install grub on all members of RAID
  42     for device in $(LC_ALL=C perl -ne 'if(/^'$raiddev'\s.+raid\d+\s(.+)/){ $_=$1; s/\d+\[\d+\]//g; s/(nvme.+?)p/$1/g; print }' /proc/mdstat); do
  43         echo Install grub on /dev/$device
  44         $ROOTCMD grub-install --no-floppy "/dev/$device"
  45     done
  46 else
  47     for dev in $BOOT_DEVICE; do
  48         GROOT=$($ROOTCMD grub-probe -tdrive -d $dev)
  49         $ROOTCMD grub-install --no-floppy "$GROOT"
  50         if [ $? -eq 0 ]; then
  51             echo "Grub installed on $dev = $GROOT"
  52         fi
  53     done
  54 fi
  55 $ROOTCMD update-grub
  56
  57 exit $error