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#!/bin/bash
if [ `whoami` != 'root' ] ; then
echo "This script must be run with root privileges."
exit 1
fi
# source in the functions
source /opt/vyatta/sbin/install-functions
# the INSTALL_LOG env var should be exported by the "caller".
# it will be used to log messages.
# the install partition e.g. sda1
ROOT_PARTITION=$1
becho "Mounting /dev/$ROOT_PARTITION..."
# mount the partition
mkdir -p $WRITE_ROOT
if ! try_mount "/dev/$ROOT_PARTITION $WRITE_ROOT"; then
echo 'Exiting...'
exit 1
fi
version=$(get_new_version)
image_name=$version
if [ -z "$image_name" ]; then
echo 'Cannot find new version. Exiting...'
exit 1
fi
echo -n "What would you like to name this image? [$image_name]: "
read response
if [ -n "$response" ]; then
image_name=$response
fi
# Validate image name
if [ "$image_name" = "grub" -o "${image_name:0:7}" = "vmlinuz" -o \
"${image_name:0:6}" = "initrd" -o "${image_name:0:10}" = "System.map" -o \
"$image_name" = "Old-non-image-installation" ]; then
echo "Can't use $image_name. It is a reserved image name."
exit 1;
fi
if [ -z "$image_name" ]; then
failure_exit 'Invalid image name.'
fi
echo "OK. This image will be named: $image_name"
# make the dir for the new version
mkdir -p $WRITE_ROOT/boot/$image_name
# make dir for backing store
rw_dir=$WRITE_ROOT/boot/$image_name/live-rw
mkdir -p $rw_dir
echo Copying squashfs image...
# these are the defaults if installing from a specified ISO image file.
# in such cases, the ISO image has already been mounted by caller.
squash_img=${CD_ROOT}/live/filesystem.squashfs
boot_dir=${CD_SQUASH_ROOT}/boot
boot_files=$(find $boot_dir -maxdepth 1 -type f -o -type l 2>/dev/null)
if [ ! -f "$squash_img" ] || [ -z "$boot_files" ]; then
# maybe installing from a live CD boot?
squash_img=/live/image/live/filesystem.squashfs
boot_dir=/boot
boot_files=$(find $boot_dir -maxdepth 1 -type f -o -type l 2>/dev/null)
if [ ! -f "$squash_img" ] || [ -z "$boot_files" ]; then
# not a live CD boot either. give up.
becho 'Cannot find the squashfs image. Exiting...'
exit 1
fi
fi
target_squash=$WRITE_ROOT/boot/$image_name/$version.squashfs
cp -p $squash_img $target_squash
echo Copying kernel and initrd images...
cp -dp $boot_files $WRITE_ROOT/boot/$image_name/
# set up union root for postinst
mkdir -p $INST_ROOT $READ_ROOT
if ! try_mount "-o loop,ro -t squashfs $target_squash $READ_ROOT"; then
echo 'Exiting...'
exit 1
fi
margs="-t unionfs -o noatime,dirs=$rw_dir=rw:$READ_ROOT=ro unionfs $INST_ROOT"
if ! try_mount "$margs"; then
echo 'Exiting...'
exit 1
fi
becho "Done!"
exit 0
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