85 lines
2.3 KiB
Bash
Executable File
85 lines
2.3 KiB
Bash
Executable File
#! /bin/bash
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# support for GRUB version 2
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error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
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set -a
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# do not set up grub during dirinstall
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if [ "$FAI_ACTION" = "dirinstall" ] ; then
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exit 0
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fi
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# during softupdate use this file
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[ -r $LOGDIR/disk_var.sh ] && . $LOGDIR/disk_var.sh
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if [ -z "$BOOT_DEVICE" ]; then
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exit 189
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fi
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# disable os-prober because of #802717
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ainsl /etc/default/grub 'GRUB_DISABLE_OS_PROBER=true'
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# skip the rest, if not an initial installation
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if [ $FAI_ACTION != "install" ]; then
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$ROOTCMD update-grub
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exit $error
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fi
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get_stable_devname() {
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local _DEV="$1"
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local i
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declare -a _RES
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# prefer SCSI over ATA over WWN over path
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# do not use by-path
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for i in $($ROOTCMD udevadm info -r --query=symlink "$_DEV"); do
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if [[ "$i" =~ /by-id/scsi ]]; then
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_RES[10]="$i"
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elif [[ "$i" =~ /by-id/ata ]]; then
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_RES[20]="$i"
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elif [[ "$i" =~ /by-id/wwn ]]; then
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_RES[99]="$i"
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fi
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done
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echo "${_RES[@]::1}"
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}
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# handle /boot in lvm-on-md
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_bdev=$(readlink -f $BOOT_DEVICE)
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if [ "${_bdev%%-*}" = "/dev/dm" ]; then
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BOOT_DEVICE=$( lvs --noheadings -o devices $BOOT_DEVICE | sed -e 's/^*\([^(]*\)(.*$/\1/' )
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fi
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# Check if RAID is used for the boot device
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if [[ $BOOT_DEVICE =~ '/dev/md' ]]; then
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raiddev=${BOOT_DEVICE#/dev/}
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# install grub on all members of RAID
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for device in $(LC_ALL=C perl -ne 'if(/^'$raiddev'\s.+raid\d+\s(.+)/){ $_=$1; s/\d+\[\d+\]//g; s/(nvme.+?)p/$1/g; print }' /proc/mdstat); do
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pdevice=$(get_stable_devname /dev/$device)
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if [ -z "$pdevice" ]; then
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# if we cannot find a persistent name (for e.g. in a VM) use old name
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pdevice="/dev/$device"
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fi
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mbrdevices+="$pdevice, "
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echo Installing grub on /dev/$device = $pdevice
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$ROOTCMD grub-install --no-floppy "/dev/$device"
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done
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# remove last ,
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mbrdevices=${mbrdevices%, }
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else
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mbrdevices=$(get_stable_devname $BOOT_DEVICE)
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if [ -z "$mbrdevices" ]; then
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# if we cannot find a persistent name (for e.g. in a VM) use old name
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mbrdevices=$BOOT_DEVICE
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fi
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echo "Installing grub on $BOOT_DEVICE = $mbrdevices"
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$ROOTCMD grub-install --no-floppy "$mbrdevices"
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fi
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echo "grub-pc grub-pc/install_devices multiselect $mbrdevices" | $ROOTCMD debconf-set-selections
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$ROOTCMD dpkg-reconfigure grub-pc
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exit $error
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