diff options
Diffstat (limited to 'scripts/grub-setup')
| -rwxr-xr-x | scripts/grub-setup | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/scripts/grub-setup b/scripts/grub-setup new file mode 100755 index 00000000..115df53d --- /dev/null +++ b/scripts/grub-setup @@ -0,0 +1,180 @@ +#!/bin/sh -x +# +# Module: grup-setup +# +# **** License **** +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# This code was originally developed by Vyatta, Inc. +# Portions created by Vyatta are Copyright (C) 2006, 2007 Vyatta, Inc. +# All Rights Reserved. +# +# Author: Robert Bays +# Date: 2006 +# Description: +# +# **** End License **** +# +# Vyatta grub customization setup script. +# +# + +ROOT_PARTITION="$1" +GRUB_OPTIONS="$2" +ROOTFSDIR="$3" + +[ "$GRUB_OPTIONS" -a "$ROOT_PARTITION" ] || exit 1 + +# Grub options +GRUB_OPTIONS="$GRUB_OPTIONS quiet" + +# Path to standalone root password reset script +pass_reset=/opt/vyatta/sbin/standalone_root_pw_reset + +# Output to both console (last device is /dev/console) +vty_console="console=ttyS0,9600 console=tty0" +serial_console="console=tty0 console=ttyS0,9600" + +# If vga_logo is set, enable use of the VGA monitor for displaying the +# logo during boot. The "vga=" boot command specifies a VGA mode that +# is encoded as shown below. We pick a value that is likely to work +# on most systems: +# +# Color depth | 640x480 | 800x600 | 1024x768 | 1280x1024 +# -----------------+---------+---------+----------+---------- +# 256 (8bit) | 769 771 773 775 +# 32000 (15bit) | 784 787 790 793 +# 65000 (16bit) | 785 788 791 794 +# 16.7 Mill.(24bit)| 786 789 792 795 +# +vga_logo="vga=788" + + # TODO: This needs to be changed to map to the correct drive + part=$(echo ${ROOT_PARTITION} | sed 's/[^0-9]//g') + if [ "$(cat /sys/block/$ORIG_INSTALL_DRIVE/removable)" == 0 ]; then + root=$(grep $ORIG_INSTALL_DRIVE $ROOTFSDIR/boot/grub/device.map | /usr/bin/awk -F')' '{ print $1 }') + root="$root,$part)" + else + root="(hd0,$part)" + echo "This looks like a removable device. Setting root grub device to $root." + fi + + # get list of kernels, except Xen + kernel_versions=$(ls /boot/vmlinuz-* 2> /dev/null | grep -v xen | sed 's:/boot/vmlinuz::g' | sort -r) + + # get xen kernel info + xen_kernel_version=$(ls /boot/vmlinuz*xen 2> /dev/null | sed 's:/boot/vmlinuz::g' | sort -r) + xen_version=$(ls /boot/ | grep xen- | sort -r) + + # Figure out whether we are running on the serial or KVM console: + if [ "`tty`" == "/dev/ttyS0" ]; then + # Since user is running on serial console, make that the default. + default_console=1 + else + # Since user is running on KVM console, make that the default + default_console=0 + fi + + # Read UUID off of filesystem and use it to tell GRUB where to mount drive + # This allows device to move around and grub will still find it + uuid=$(dumpe2fs -h /dev/${ROOT_PARTITION} 2>/dev/null | awk '/^Filesystem UUID/ {print $3}') + if [ -z "$uuid" ] + then + # TODO: use /proc/mount if dumpe2fs fails + echo "Unable to read filesystem UUID. Exiting." + exit 1 + else + grub_root="root=UUID=$uuid ro" + fi + +( + # create the grub.cfg file for grub + # The "default=" line selects which boot option will be used by default. + # Numbering starts at 0 for the first option. + echo -e "set default=$default_console" + echo "set timeout=5" + #echo "#set splashimage=(hd0,0)/grub/splash.xpm.gz" + # set serial console options + echo -e "serial --unit=0 --speed=9600" + echo "terminal serial" + echo "set root=$root" + + echo "" + echo "echo -n Press ESC to enter the Grub menu..." + echo "if sleep --verbose --interruptible 5 ; then" + echo -e "\tterminal console" + echo -e "\techo -n Press the ESC key to enter the Grub menu..." + echo -e "\tif sleep --verbose --interruptible 5 ; then" + echo -e "\t\tterminal serial" + echo -e "\t\tset timeout=0" + echo -e "\tfi" + echo "fi" + echo "" + + if [ -f "/boot/vmlinuz" ]; then + # Set first system boot option. Make KVM the default console in this one. + echo -e "menuentry \"Vyatta OFR (KVM console)\" {" + echo -e "\tlinux /boot/vmlinuz $grub_root $GRUB_OPTIONS $vga_logo $vty_console" + echo -e "\tinitrd /boot/initrd.img" + echo -e "}" + + # Set the second system boot option. Make the serial port be the default + # console in this one. + echo + echo -e "menuentry \"Vyatta OFR (Serial console)\" {" + echo -e "\tlinux /boot/vmlinuz $grub_root $GRUB_OPTIONS $serial_console" + echo -e "\tinitrd /boot/initrd.img" + echo -e "}" + fi + + # create xen kernels if they exist + if [ -n "$xen_kernel_version" ]; then + for xversion in $xen_kernel_version; do + echo + echo + echo -e "menuentry \"Vyatta Xen linux$xversion dom0\" {" + echo -e "\tmultiboot /boot/$xen_version " + echo -e "\tmodule /boot/vmlinuz$xversion $grub_root $GRUB_OPTIONS $vty_console" + echo -e "\tmodule /boot/initrd.img$xversion" + echo -e "}" + done + fi + + # create other kernels if they exist + if [ -n "$kernel_versions" ]; then + for kversion in $kernel_versions; do + echo + echo -e "menuentry \"Vyatta OFR linux$kversion (KVM console)\" {" + echo -e "\tlinux /boot/vmlinuz$kversion $grub_root $GRUB_OPTIONS $vty_console" + echo -e "\tinitrd /boot/initrd.img$kversion" + echo -e "}" + echo + echo -e "menuentry \"Vyatta OFR linux$kversion (Serial console)\" {" + echo -e "\tlinux /boot/vmlinuz$kversion $grub_root $GRUB_OPTIONS $serial_console" + echo -e "\tinitrd /boot/initrd.img$kversion" + echo -e "}" + done + fi + + # Set options for root password reset. Offer + # options for both serial and KVM console. + + echo + echo -e "menuentry \"Root password reset to factory (KVM console)\" {" + echo -e "\tlinux /boot/vmlinuz $grub_root $GRUB_OPTIONS $vty_console init=$pass_reset" + echo -e "\tinitrd /boot/initrd.img" + echo -e "}" + + echo + echo -e "menuentry \"Root password reset to factory (Serial console)\" {" + echo -e "\tlinux /boot/vmlinuz $grub_root $GRUB_OPTIONS $serial_console init=$pass_reset" + echo -e "\tinitrd /boot/initrd.img" + echo -e "}" +) >"$ROOTFSDIR"/boot/grub/grub.cfg |