forked from sig_core/toolkit
56 lines
1.4 KiB
Bash
Executable File
56 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
usage() {
|
|
cat << EOF
|
|
$0: prep raw image for azure
|
|
|
|
usage: $0 raw_image
|
|
|
|
Description: Takes a raw image and calculates the closest whole-MegaByte,
|
|
resizing a copy of the raw image, and returning the path to the resize 'vpc'
|
|
image (a .vhd file to upload)
|
|
|
|
Dumps VHD in \$PWD by default. Override with ``OUTDIR=/path/to/outdir``
|
|
|
|
Don't try to compress it.
|
|
EOF
|
|
}
|
|
|
|
log() {
|
|
local level="$1"; shift
|
|
local msg="$@"
|
|
local out=$([ "$level" == "error" ] && echo 2 || echo 1)
|
|
printf "[%s] %s: %s\n" "$(date '+%Y-%m-%d %H:%M:%S')" "${level}" "${msg}" >&${out}
|
|
if [[ "${level}" == "error" ]]; then
|
|
exit
|
|
fi
|
|
}
|
|
|
|
MB=$((1024*1024)) # for calculations - 1048576 bytes
|
|
|
|
if ! command -v qemu-img 2>&1 >/dev/null; then
|
|
log error "Need qemu-img.";
|
|
usage
|
|
exit
|
|
fi
|
|
|
|
rawdisk="$1"
|
|
|
|
if [[ -z "$rawdisk" ]]; then
|
|
usage
|
|
log error "need path to a raw image to prep"
|
|
fi
|
|
|
|
outdir="${2:-${PWD}}"
|
|
|
|
size=$(qemu-img info -f raw --output json "${rawdisk}" | gawk 'match($0, /"virtual-size": ([0-9]+),/, val) {print val[1]}')
|
|
|
|
rounded_size=$(((($size+$MB-1)/$MB)*$MB)) # size (in bytes) + 1MB, less one, and rounded.
|
|
|
|
outfilename=$(basename ${rawdisk//body/vhd})
|
|
outfile="${outdir}/${outfilename}"
|
|
qemu-img resize -f raw "${rawdisk}" "${rounded_size}" || log error "failed to resize"
|
|
qemu-img convert -f raw -o subformat=fixed,force_size -O vpc "${rawdisk}" "${outfile}" || log error "failed to convert to VHD format"
|
|
|
|
echo "${outfile}"
|