Revision 28b0b56c
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#!/bin/bash |
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# Copyright (C) 2007, 2008, 2009 Google Inc.
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# Copyright (C) 2010 Oregon State University
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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set -e |
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if [ "${IMAGE_DEBUG}" = "1" ] ; then
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set -x |
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fi |
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. common.sh |
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# If the target device is not a real block device we'll first losetup it. |
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# This is needed for file disks. |
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if [ ! -b $blockdev ]; then |
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ORIGINAL_BLOCKDEV=$blockdev |
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blockdev=$($LOSETUP -sf $blockdev) |
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CLEANUP+=("$LOSETUP -d $blockdev")
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ORIGINAL_BLOCKDEV=$blockdev
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blockdev=$($LOSETUP -sf $blockdev)
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CLEANUP+=("$LOSETUP -d $blockdev")
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fi |
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if [ "$PARTITION_STYLE" = "none" ]; then |
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filesystem_dev=$blockdev |
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elif [ "$PARTITION_STYLE" = "msdos" ]; then |
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# Create one big partition, and make it bootable |
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format_disk0 $blockdev |
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filesystem_dev=$(map_disk0 $blockdev) |
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CLEANUP+=("unmap_disk0 $blockdev")
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format_disk0 $blockdev |
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filesystem_base_dev=$(map_disk0 $blockdev) |
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if [ "${SWAP}" = "yes" ] ; then
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boot_dev="${filesystem_base_dev}-1"
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swap_dev="${filesystem_base_dev}-2"
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root_dev="${filesystem_base_dev}-3"
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else |
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echo "Unknown partition style $PARTITION_STYLE" |
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exit 1 |
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fi |
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mke2fs -Fjq $filesystem_dev |
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root_uuid=$($VOL_ID $filesystem_dev ) |
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if [ -n "$swapdev" ]; then |
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mkswap $swapdev |
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swap_uuid=$($VOL_ID $swapdev || true ) |
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boot_dev="${filesystem_base_dev}-1"
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root_dev="${filesystem_base_dev}-2"
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fi |
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CLEANUP+=("unmap_disk0 $blockdev")
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TMPDIR=`mktemp -d` || exit 1 |
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CLEANUP+=("rmdir $TMPDIR")
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mkfs_disk0 $boot_dev $root_dev $swap_dev |
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mount $filesystem_dev $TMPDIR
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CLEANUP+=("umount $TMPDIR")
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TARGET=`mktemp -d` || exit 1
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CLEANUP+=("rmdir $TARGET")
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( cd $TMPDIR; restore -r -y -f - ) |
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rm -f $TMPDIR/etc/udev/rules.d/z*_persistent-net.rules |
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mount_disk0 $TARGET $root_dev $boot_dev |
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# Fix /etc/fstab with the new volumes' UUIDs |
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if [ -e $TMPDIR/etc/fstab ]; then |
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ROOT_LINE="UUID=$root_uuid / ext3 defaults 0 1" |
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if [ -n "$swapdev" -a -n "$swap_uuid" ]; then |
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SWAP_LINE="UUID=$swap_uuid swap swap defaults 0 0" |
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cat $TMPDIR/etc/fstab | \ |
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sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \ |
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-e "s#^(/dev/sdb|UUID=[a-f0-9-]+)\s+swap\s+.*\$#$SWAP_LINE#" \ |
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> $TMPDIR/etc/fstab.new |
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else |
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cat $TMPDIR/etc/fstab | \ |
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sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \ |
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> $TMPDIR/etc/fstab.new |
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fi |
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mv $TMPDIR/etc/fstab.new $TMPDIR/etc/fstab |
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fi |
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( cd $TARGET; restore -r -y -f - ) |
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rm -f $TARGET/etc/udev/rules.d/z*_persistent-net.rules |
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# execute cleanups |
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cleanup |
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