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|
#!/bin/sh
#
# 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.
#
#
UNION="false"
while getopts u: c
do
case $c in
u) UNION=true;
livedir=$OPTARG;;
esac
done
shift `expr $OPTIND - 1`
ROOT_PARTITION="$1"
GRUB_OPTIONS="$2"
ROOTFSDIR="$3"
[ "$ROOT_PARTITION" ] || exit 1
# Grub options
if [ "$GRUB_OPTIONS" ]
then
GRUB_OPTIONS="$GRUB_OPTIONS quiet"
else
GRUB_OPTIONS=quiet
fi
# 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=785"
# get list of kernels, except Xen
kernel_versions=$(ls $ROOTFSDIR/boot/vmlinuz-* 2> /dev/null | grep -v xen | awk -F/ '{ print $5 }' | sed 's/vmlinuz//g' | sort -r)
# get xen kernel info
xen_kernel_version=$(ls $ROOTFSDIR/boot/vmlinuz*xen 2> /dev/null | awk -F/ '{ print $5 }' | sed 's/vmlinuz//g' | sort -r)
xen_version=$(ls $ROOTFSDIR/boot/xen-* 2> /dev/null | awk -F/ '{ print $5 }' | sort -r)
# Figure out whether we are running on the serial or KVM console:
if [ "`tty`" == "/dev/ttyS0" ]; then
# Since user is running on serial console, make that the default.
default_console=1
else
# Since user is running on KVM console, make that the default
default_console=0
fi
if eval "$UNION"; then
GRUB_OPTIONS="boot=live live-media-path=/boot/$livedir module=$livedir quiet persistent noautologin nonetworking nouser hostname=vyatta"
union_kernel_versions=$(ls $ROOTFSDIR/boot/$livedir/vmlinuz-* 2> /dev/null | grep -v xen | awk -F/ '{ print $6 }' | sed 's/vmlinuz//g' | sort -r)
else
# Read UUID off of filesystem and use it to tell GRUB where to mount drive
# This allows device to move around and grub will still find it
uuid=$(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_OPTIONS="$GRUB_OPTIONS root=UUID=$uuid ro"
fi
fi
# Check for diagnostic partition residing in first partition of drive
# holding the root partition.
diag_drive_number=""
if [ ${ROOT_PARTITION:0:2} = "md" ]; then
# Select the first disk in the RAID group to look for diag partition on
root_disks=`echo /sys/block/$ROOT_PARTITION/slaves/*`
root_disk=`echo ${root_disks} | awk '{ print $1 }'`
root_disk=${root_disk##*/}
root_disk=${root_disk:0:${#root_disk}-1}
else
# Shave off the partition number to get the disk name
root_disk=${ROOT_PARTITION:0:${#ROOT_PARTITION}-1}
fi
# If the root partition is not occupying the first partition, then we
# can look for a diag partition there.
if [ "$ROOT_PARTITION" != "${root_disk}1" ]; then
first_part_fstype=`fdisk -l /dev/$root_disk | grep ^/dev/${root_disk}1 | awk '{ print $6 }'`
if [ "$first_part_fstype" = "FAT16" -o "$first_part_fstype" = "Dell" ]; then
# Translate the Linux drive letter (e.g. the "a" in "/dev/sda") into
# a drive number that grub uses. i.e. "a" = 0, "b" = 1, etc.
diag_drive_letter=${root_disk:2:1}
diag_drive_number=`echo $diag_drive_letter | od -t u1 -N 1 | awk '{ print $2 }'`
let diag_drive_number-=97
fi
fi
(
# create the grub.cfg file for grub
# The "default=" line selects which boot option will be used by default.
# Numbering starts at 0 for the first option.
echo -e "set default=$default_console"
echo "set timeout=5"
# set serial console options
echo -e "serial --unit=0 --speed=9600"
echo "terminal serial"
if [ ${ROOT_PARTITION:0:2} = "md" ]; then
echo ""
echo -e "insmod raid"
echo -e "root ($ROOT_PARTITION)"
fi
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"
## don't set timeout here. causes boot problem on 64-bit
# echo -e "\t\tset timeout=0"
echo -e "\tfi"
echo "fi"
echo ""
# 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_OPTIONS $vga_logo $vty_console"
echo -e "\tmodule /boot/initrd.img$xversion"
echo -e "}"
done
fi
if [ -f "$ROOTFSDIR/boot/vmlinuz" ] && ! eval $UNION ; 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_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_OPTIONS $serial_console"
echo -e "\tinitrd /boot/initrd.img"
echo -e "}"
fi
# create union kernels if they exist
if [ -n "$union_kernel_versions" ]; then
for kversion in $union_kernel_versions; do
echo
echo -e "menuentry \"Vyatta OFR linux$kversion (KVM console)\" {"
echo -e "\tlinux /boot/$livedir/vmlinuz$kversion $GRUB_OPTIONS $vga_logo $vty_console"
echo -e "\tinitrd /boot/$livedir/initrd.img$kversion"
echo -e "}"
echo
echo -e "menuentry \"Vyatta OFR linux$kversion (Serial console)\" {"
echo -e "\tlinux /boot/$livedir/vmlinuz$kversion $GRUB_OPTIONS $serial_console"
echo -e "\tinitrd /boot/$livedir/initrd.img$kversion"
echo -e "}"
done
fi
# create other kernels if they exist
if [ -n "$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_OPTIONS $vga_logo $vty_console"
echo -e "\tinitrd /boot/initrd.img$kversion"
echo -e "}"
echo
echo -e "menuentry \"Vyatta OFR linux$kversion (Serial console)\" {"
echo -e "\tlinux /boot/vmlinuz$kversion $GRUB_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_OPTIONS $vga_logo $vty_console init=$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_OPTIONS $serial_console init=$pass_reset"
echo -e "\tinitrd /boot/initrd.img"
echo -e "}"
if [ -n "$diag_drive_number" ]; then
echo
echo -e "menuentry \"Diagnostics\" {"
echo -e "\tchainloader (hd$diag_drive_number,1)+1"
echo -e "}"
fi
) >"$ROOTFSDIR"/boot/grub/grub.cfg
( [ -s /boot/grub/menu.lst ] &&
upgrade-from-grub-legacy &&
rm -f /boot/grub/menu.lst*
) || true
|
