1 #!/bin/ksh -p
2 #
3 # CDDL HEADER START
4 #
5 # The contents of this file are subject to the terms of the
6 # Common Development and Distribution License (the "License").
7 # You may not use this file except in compliance with the License.
8 #
9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 # or http://www.opensolaris.org/os/licensing.
11 # See the License for the specific language governing permissions
12 # and limitations under the License.
13 #
14 # When distributing Covered Code, include this CDDL HEADER in each
15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 # If applicable, add the following below this CDDL HEADER, with the
17 # fields enclosed by brackets "[]" replaced with your own identifying
18 # information: Portions Copyright [yyyy] [name of copyright owner]
19 #
20 # CDDL HEADER END
21 #
22
23 #
24 # Copyright 2008 Sun Microsystems, Inc. All rights reserved.
25 # Use is subject to license terms.
26 #
27
28 PATH="/usr/bin:/usr/sbin:${PATH}"; export PATH
29 ALT_ROOT=
30
31 while getopts R: OPT 2>/dev/null
32 do
33 case $OPT in
34 R) ALT_ROOT="$OPTARG"
35 ;;
36 ?) echo "Usage: ${0##*/}: [-R \<root\>]"
37 ;;
38 esac
39 done
40
41 ARCH=`uname -p`
42
43 is_pcfs_boot=yes
44 is_zfs_boot=no
45
46 check_pcfs_boot()
47 {
48 bootdev=`grep -v "^#" "$ALT_ROOT"/etc/vfstab | grep pcfs \
49 | grep "[ ]/stubboot[ ]" | nawk '{print $1}'`
50 if [ X"$bootdev" = "X" ]; then
51 is_pcfs_boot=no
52 fi
53 }
54
55 check_zfs_boot()
56 {
57 if [ -f "$ALT_ROOT"/etc/lu/GRUB_slice ]; then
58 dev=`grep '^PHYS_SLICE=' "$ALT_ROOT"/etc/lu/GRUB_slice |
59 cut -d= -f2`
60 if [ "`fstyp $dev`" = "zfs" ]; then
61 is_zfs_boot=yes
62 fi
63 else
64 rootfstype=`df -n ${ALT_ROOT:-/} | awk '{print $3}'`
65 if [ "$rootfstype" = "zfs" ]; then
66 is_zfs_boot=yes
67 fi
68
69 fi
70 }
71
72 #
73 # Detect SVM root and return the list of raw devices under the mirror
74 #
75 get_rootdev_list()
76 {
77 if [ -f "$ALT_ROOT"/etc/lu/GRUB_slice ]; then
78 dev=`grep '^PHYS_SLICE' "$ALT_ROOT"/etc/lu/GRUB_slice |
79 cut -d= -f2`
80 if [ "$is_zfs_boot" = "yes" ]; then
81 fstyp -a "$dev" | grep 'path: ' | grep -v phys_path: |
82 cut -d"'" -f2 | sed 's+/dsk/+/rdsk/+'
83 else
84 echo "$dev"
85 fi
86 return
87 elif [ "$is_zfs_boot" = "yes" ]; then
88 rootpool=`df -k ${ALT_ROOT:-/} | tail +2 | cut -d/ -f1`
89 rootdevlist=`LC_ALL=C zpool iostat -v "$rootpool" | tail +5 |
90 egrep -v "mirror|spare|replacing" |
91 sed -n -e '/--/q' -e p | awk '{print $1}'`
92 else
93 metadev=`grep -v "^#" "$ALT_ROOT"/etc/vfstab | \
94 grep "[ ]/[ ]" | nawk '{print $2}'`
95 if [[ $metadev = /dev/rdsk/* ]]; then
96 rootdevlist=`basename "$metadev"`
97 elif [[ $metadev = /dev/md/rdsk/* ]]; then
98 metavol=`basename "$metadev"`
99 rootdevlist=`metastat -p $metavol |\
100 grep -v "^$metavol[ ]" | nawk '{print $4}'`
101 fi
102 fi
103 for rootdev in $rootdevlist
104 do
105 echo /dev/rdsk/`basename $rootdev`
106 done
107 }
108
109 #
110 # multiboot: install grub on the boot slice
111 #
112 install_grub()
113 {
114 # Stage 2 blocks must remain untouched
115 STAGE1="$ALT_ROOT"/boot/grub/stage1
116 STAGE2="$ALT_ROOT"/boot/grub/stage2
117
118 if [ $is_pcfs_boot = yes ]; then
119 #
120 # Note: /stubboot/boot/grub/stage2 must stay untouched.
121 #
122 mkdir -p "$ALT_ROOT"/stubboot/boot/grub
123 cp "$ALT_ROOT"/boot/grub/menu.lst "$ALT_ROOT"/stubboot/boot/grub
124 bootdev=`grep -v "^#" "$ALT_ROOT"/etc/vfstab | grep pcfs | \
125 grep "[ ]/stubboot[ ]" | nawk '{print $1}'`
126 rpcfsdev=`echo "$bootdev" | sed -e "s/dev\/dsk/dev\/rdsk/"`
127 if [ X"$rpcfsdev" != X ]; then
128 print "Installing grub on $rpcfsdev"
129 "$ALT_ROOT"/sbin/installgrub $STAGE1 $STAGE2 $rpcfsdev
130 fi
131 fi
132
133 grubdevlist=`get_rootdev_list`
134 zfsarg=""
135 if [ "$is_zfs_boot" = "yes" ]; then
136 zfsarg="-Z"
137 fi
138
139 for rootdev in $grubdevlist
140 do
141 if [ X"$rpcfsdev" != X ]; then
142 echo "create GRUB menu in "$ALT_ROOT"/stubboot"
143 "$ALT_ROOT"/sbin/bootadm update-menu $zfsarg\
144 -R "$ALT_ROOT"/stubboot -o $rootdev,"$ALT_ROOT"
145 else
146 echo "Creating GRUB menu in ${ALT_ROOT:-/}"
147 $ALT_ROOT/sbin/bootadm update-menu -R ${ALT_ROOT:-/} \
148 $zfsarg -o $rootdev
149 fi
150 print "Installing grub on $rootdev"
151 "$ALT_ROOT"/sbin/installgrub $STAGE1 $STAGE2 $rootdev
152 done
153 }
154
155 if [ -f "$ALT_ROOT"/platform/i86pc/multiboot -a "$ARCH" = i386 ] ; then
156 check_pcfs_boot
157 check_zfs_boot
158 install_grub
159 fi
160
161 exit 0