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#!/bin/bash
source "./functions/locker"
usage() {
cat << EOF
This program is used to convert raw images to VHD files.
--suite: the Ubuntu Code name to build against
--source_file: the name of the raw image file to convert
--size: the size of the converted image in G (defaults to 30G)
EOF
exit 1
}
# Defaults
vhd_size=30
# Command line parsing
short_opts="h"
long_opts="suite:,source_file:,size:"
getopt_out=$(getopt --name "${0##*/}" --options "${short_opts}"\
--long "${long_opts}" -- "$@")
if [ $? -eq 0 ]; then
eval set -- "${getopt_out}"
else
usage
exit 1
fi
while [ $# -ne 0 ]; do
cur=${1}; next=${2};
case "${cur}" in
--size) vhd_size="${2}"; shift;;
--source_file) source_file="${2}"; shift;;
--suite) suite="${2}"; shift;;
-h|--help) usage; exit 0;;
?) usage; exit 1;;
--) shift; break;;
esac
shift;
done
if [ -z "$source_file" -o -z "$suite" ]; then
echo "--source_file and --suite required."
exit 1
fi
raw_name=$(readlink -f "$source_file")
case ${suite} in
precise|trusty|wily|xenial)
vhd_name="${PWD}/${suite}-server-cloudimg-amd64-disk1.vhd"
;;
*)
vhd_name="${PWD}/${suite}-server-cloudimg-amd64.vhd"
;;
esac
# Copy the raw image to make it ready for VHD production
cp --sparse=always "${raw_name}" "${raw_name}.pre-vhd" &&
debug "Copied raw image VHD production" ||
fail "Failed to copy raw image to ${raw_name}.pre-vhd"
# Resize the copied RAW image
debug "Truncating image to ${vhd_size}G"
truncate -s "${vhd_size}G" "${raw_name}.pre-vhd" &&
debug "Truncated image at ${vhd_size}G" ||
fail "Failed to truncate disk image"
# Convert to VHD first, step 1 of cheap hack
# This is a cheap hack...half the time the next command
# will fail with "VERR_INVALID_PARAMETER", so this is the,
# er, workaround
debug "Converting to VHD"
_vbox_cmd convertfromraw --format VHD \
"${raw_name}.pre-vhd" \
"${vhd_name}.pre" &&
debug "Converted raw disk to VHD" ||
fail "Failed to convert raw image to VHD"
# Clone the disk to fixed, VHD for Azure
debug "Converting to VHD format from raw..."
debug ".....this might take a while...."
_vbox_cmd clonehd --format VHD --variant Fixed \
"${vhd_name}.pre" \
"${vhd_name}" &&
debug "Converted raw disk to VHD format using VirtualBox" ||
fail "Failed to convert raw image to VHD disk!"
# Remove the unneeded files
rm "${vhd_name}.pre" "${raw_name}.pre-vhd"
debug "Image Characteristics:"
_vbox_cmd showhdinfo "${vhd_name}"
debug "Raw image converted to VHD"
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