1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
#!/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-*.gz 2> /dev/null | head -1 | 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 "# Generated by $0 at `date`"
echo -e "set default=$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 (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 (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 $union_kernel_versions; do
echo
echo -e "menuentry \"Vyatta linux$kversion (KVM console)\" {"
echo -e "\tlinux /boot/$livedir/vmlinuz$kversion $GRUB_OPTIONS $vga_logo $vty_console"
echo -e "\tinitrd /boot/$livedir/initrd.img$kversion"
echo -e "}"
echo
echo -e "menuentry \"Vyatta linux$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 $kernel_versions; do
echo
echo -e "menuentry \"Vyatta linux$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 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 \"Lost password change (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 \"Lost password change (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
|
