mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
58 lines
1.5 KiB
Bash
Executable File
58 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
|
|
# Show progress on pipes if `pv` is installed
|
|
# Otherwise use plain cat
|
|
if ! command -v pv &> /dev/null
|
|
then
|
|
PV="cat"
|
|
else
|
|
PV="pv"
|
|
fi
|
|
|
|
pack () {
|
|
local cloudprovider=$1
|
|
local unpacked_image=$2
|
|
local packed_image=$3
|
|
local unpacked_image_dir
|
|
unpacked_image_dir=$(mktemp -d)
|
|
local unpacked_image_filename
|
|
unpacked_image_filename=disk.raw
|
|
local tmp_tar_file
|
|
tmp_tar_file=$(mktemp -t verity.XXXXXX.tar)
|
|
cp ${unpacked_image} "${unpacked_image_dir}/${unpacked_image_filename}"
|
|
|
|
case $cloudprovider in
|
|
|
|
gcp)
|
|
echo "📥 Packing GCP image..."
|
|
tar --owner=0 --group=0 -C "${unpacked_image_dir}" -Sch --format=oldgnu -f "${tmp_tar_file}" "${unpacked_image_filename}"
|
|
"${PV}" "${tmp_tar_file}" | pigz -9c > "${packed_image}"
|
|
rm "${tmp_tar_file}"
|
|
echo " Repacked image stored in ${packed_image}"
|
|
;;
|
|
|
|
azure)
|
|
echo "📥 Packing Azure image..."
|
|
truncate -s %1MiB "${unpacked_image_dir}/${unpacked_image_filename}"
|
|
qemu-img convert -p -f raw -O vpc -o force_size,subformat=fixed "${unpacked_image_dir}/${unpacked_image_filename}" "$packed_image"
|
|
echo " Repacked image stored in ${packed_image}"
|
|
;;
|
|
|
|
*)
|
|
echo "unknown cloud provider"
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
rm -r ${unpacked_image_dir}
|
|
|
|
}
|
|
|
|
if [ $# -ne 3 ]; then
|
|
echo "Usage: $0 <cloudprovider> <unpacked_image> <packed_image>"
|
|
exit 1
|
|
fi
|
|
|
|
pack "${1}" "${2}" "${3}"
|