source: trunk/packages/invirt-autoinstaller/common/usr/lib/xen-tools/debian.d/93-setup-grub @ 2376

Last change on this file since 2376 was 2376, checked in by broder, 15 years ago

In invirt-autoinstaller:

  • Hack to be differently specific when replacing the root= lines. This should replace both the actual grub config lines and the kopt line, but leave lines like groot alone.
  • Property svn:executable set to *
File size: 2.6 KB
Line 
1#!/bin/bash
2#
3#  This script sets up the ParaVM to use pygrub
4#
5
6prefix=$1
7
8#
9#  Source our common functions
10#
11if [ -e /usr/lib/xen-tools/common.sh ]; then
12    . /usr/lib/xen-tools/common.sh
13else
14    . ./hooks/common.sh
15fi
16
17echo SCRIPT = $0
18dir=`dirname "$0"`
19
20
21logMessage Script $0 starting
22
23#
24# Install the xen kernel.  linux-image-xen is in ubuntu,
25# linux-image-xen-{amd64,686} in debian.
26#
27
28installDebianPackage ${prefix} lsb-release
29
30if [ "$(chroot ${prefix} lsb_release -is)" = "Ubuntu" ]; then
31    if dpkg --compare-versions "$(chroot ${prefix} lsb_release -rs)" ge 8.10; then
32        installDebianPackage ${prefix} linux-image-virtual
33    else
34        installDebianPackage ${prefix} linux-image-xen
35    fi
36else
37    installDebianPackage ${prefix} linux-image-xen-amd64
38    installDebianPackage ${prefix} linux-image-xen-686
39fi
40
41installDebianPackage ${prefix} grub
42
43#
44# Make the /boot/grub directory
45#
46mkdir -p ${prefix}/boot/grub
47
48#
49# Create stock menu.lst
50#
51chroot ${prefix} /usr/sbin/update-grub -y
52
53#
54# Patches to add xen kernels, use serial console, etc.
55#
56for patch in $dir/patches/*; do
57    patch -l -d ${prefix} -p1 < $patch
58done
59
60#
61# If this is a pv_ops kernel, then we need to make some more changes
62# to make the console work right
63#
64if [ "$(chroot ${prefix} lsb_release -is)" = "Ubuntu" ] && \
65    dpkg --compare-versions "$(chroot ${prefix} lsb_release -rs)" ge 8.10; then
66    sed -i -e 's/xvc0/hvc0/' ${prefix}/etc/event.d/tty1
67    sed -i -e 's/console=ttyS0[^ ]*/console=hvc0/' ${prefix}/boot/grub/menu.lst
68fi
69
70#
71# Since pv_ops kernels force block device names to xvda, xvdb, etc,
72# the default root value of root=/dev/hda won't actually help us.
73#
74# To work around that, find a UUID for the swap and root partitions
75# and use that in the grub config (and also in /etc/fstab)
76#
77ROOT_DEV="$(perl -e 'print $ENV{"image-dev"}')"
78SWAP_DEV="$(perl -e 'print $ENV{"swap-dev"}')"
79ROOT_UUID="$(vol_id --uuid "$ROOT_DEV")"
80SWAP_UUID="$(vol_id --uuid "$SWAP_DEV")"
81for i in $(seq 1 "$NUMPARTITIONS"); do
82    var="PARTITION${i}"
83    case "$(echo ${!var} | cut -f1 -d:)" in
84        disk) ROOT_GUEST="$(echo ${!var} | cut -f8 -d:)";;
85        swap) SWAP_GUEST="$(echo ${!var} | cut -f8 -d:)";;
86    esac
87done
88sed -i -re "s%^([= ]root=)[^ ]*%\1UUID=$ROOT_UUID%" ${prefix}/boot/grub/menu.lst
89sed -i -e "s%${ROOT_GUEST}%UUID=${ROOT_UUID}%" ${prefix}/etc/fstab
90sed -i -e "s%${SWAP_GUEST}%UUID=${SWAP_UUID}%" ${prefix}/etc/fstab
91
92#
93# Regenerate automagic kernels list, saving our changes
94#
95chroot ${prefix} env UCF_FORCE_CONFFOLD=1 /usr/sbin/update-grub -y
96
97#
98# Log our finish
99#
100logMessage Script $0 finished
101
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