bundle-images.sh

#!/bin/sh
set -eu

# Export and bundle docker image to local (both linux/amd64(x86), linux/arm64)
# by @allex_wang <https://iallex.com> | MIT
#
# Usage:
#   bundle-image.sh <SOURCE_IMAGE_URL> <TARGET_IMAGE_NAME>
#
# For remote invoke:
#   curl -skL https://fe.tidu.io/tools/bundle-images.sh |sh -s -- harbor.tidu.io/tdio/iam-ui:1.1.0 cmp/iam-ui:1.1.0
#
# GistID: 50a9fb121c3b97da6ca2a2a8738466ca
# GistURL: https://gist.github.com/50a9fb121c3b97da6ca2a2a8738466ca

img=${1:-};
if [ -z "$img" ]; then
  echo >&2 "Usage: bundle-image.sh <SOURCE_IMAGE_URL> <TARGET_IMAGE_NAME>"
  echo
  echo >&2 "Export and bundle docker image to local (both linux/amd64(x86), linux/arm64)"
  exit 1
fi

target_img=${2-${img#*/}}

echo >&2 "start to bundle image $img ..."
for p in amd64 arm64; do
  (docker pull "$img" --platform=linux/$p && docker tag "$img" "$target_img") >/dev/null
  f=$(echo "${target_img##*/}" |tr ':' '_')-$p.tar.gz
  docker save "${target_img}" |gzip >./"$f";
  echo >&2 "-> $f"
done