iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/ROCKY/40-install-grub

   1 #! /bin/bash
   2
   3 # (c) Michael Goetze, 2011, mgoetze@mgoetze.net
   4 # (c) Thomas Lange 2014
   5
   6 error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
   7
   8 if [ -r $LOGDIR/disk_var.sh ] ; then
   9         . $LOGDIR/disk_var.sh
  10 else
  11         echo "disk_var.sh not found!"
  12         exit 1
  13 fi
  14
  15
  16 # CentOS 7 does not have a device.map file, so generate one
  17 if [ -d $target/boot/grub2 -a ! -f $target/boot/grub2/device.map ]; then
  18     echo "# Generated by FAI" >> $target/boot/grub2/device.map
  19     centosdisks=$(awk '/[sv]d.$/ {print $4}' /proc/partitions | sort)
  20     dcount=0
  21     for d in $centosdisks; do
  22         echo "(hd$dcount)    /dev/$d" >> $target/boot/grub2/device.map
  23         dcount=$((dcount + 1))
  24     done
  25 fi
  26
  27 bootdev=$(device2grub $BOOT_DEVICE)
  28 bootpart=$(device2grub $BOOT_PARTITION)
  29 version=$($ROOTCMD rpm -qv kernel | cut -d- -f2-)
  30
  31 if grep '[[:space:]]/boot[[:space:]]' $LOGDIR/fstab; then
  32         bootdir=''
  33 else
  34         bootdir='/boot'
  35 fi
  36
  37 mount -o bind /dev $target/dev
  38
  39 if [ -f $target/usr/sbin/grub2-install ]; then
  40
  41     # CentOS 7
  42     $ROOTCMD grub2-install --no-floppy "$BOOT_DEVICE"
  43     $ROOTCMD grub2-mkconfig --output=/boot/grub2/grub.cfg
  44 else
  45
  46 $ROOTCMD grub-install --just-copy
  47
  48 $ROOTCMD grub --device-map=/dev/null --no-floppy --batch <<-EOF
  49         device $bootdev $BOOT_DEVICE
  50         root $bootpart
  51         setup $bootdev
  52         quit
  53         EOF
  54
  55 ln -s ./menu.lst $target/boot/grub/grub.conf
  56
  57 if [ -f $target/boot/grub/splash.xpm.gz ]; then
  58         pretty="splashimage=$bootpart$bootdir/grub/splash.xpm.gz"
  59 else
  60         pretty="color cyan/blue white/blue"
  61 fi
  62
  63 title=$(head -1 $target/etc/redhat-release)
  64
  65 cat > $target/boot/grub/grub.conf <<-EOF
  66         timeout 5
  67         default 0
  68         $pretty
  69         hiddenmenu
  70
  71         title $title
  72           root $bootpart
  73           kernel $bootdir/vmlinuz-$version root=$ROOT_PARTITION ro
  74           initrd $bootdir/initramfs-$version.img
  75         EOF
  76
  77 fi
  78
  79 umount $target/dev
  80
  81 echo ""
  82 echo "Grub installed on $BOOT_DEVICE = $bootdev"
  83 echo "Grub boot partition is $BOOT_PARTITION = $bootpart"
  84 echo "Root partition is $ROOT_PARTITION"
  85 echo "Boot kernel: $version"
  86
  87 exit $error