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Merge pull request #41600 from thaJeztah/defrost

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contrib: remove download-frozen-image-v1 script
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Brian Goff 2020-10-28 09:33:00 -07:00 committed by GitHub
commit 06172ee8ab
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contrib/download-frozen-image-v1.sh
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@ -1,108 +0,0 @@
#!/usr/bin/env bash
set -e
# hello-world latest ef872312fe1b 3 months ago 910 B
# hello-world latest ef872312fe1bbc5e05aae626791a47ee9b032efa8f3bda39cc0be7b56bfe59b9 3 months ago 910 B
# debian latest f6fab3b798be 10 weeks ago 85.1 MB
# debian latest f6fab3b798be3174f45aa1eb731f8182705555f89c9026d8c1ef230cbf8301dd 10 weeks ago 85.1 MB
if ! command -v curl &> /dev/null; then
echo >&2 'error: "curl" not found!'
exit 1
fi
usage() {
echo "usage: $0 dir image[:tag][@image-id] ..."
echo " ie: $0 /tmp/hello-world hello-world"
echo " $0 /tmp/debian-buster debian:buster"
echo " $0 /tmp/old-hello-world hello-world@ef872312fe1bbc5e05aae626791a47ee9b032efa8f3bda39cc0be7b56bfe59b9"
echo " $0 /tmp/old-debian debian:latest@f6fab3b798be3174f45aa1eb731f8182705555f89c9026d8c1ef230cbf8301dd"
[ -z "$1" ] || exit "$1"
}
dir="$1" # dir for building tar in
shift || usage 1 >&2
[ $# -gt 0 -a "$dir" ] || usage 2 >&2
mkdir -p "$dir"
# hacky workarounds for Bash 3 support (no associative arrays)
images=()
rm -f "$dir"/tags-*.tmp
# repositories[busybox]='"latest": "...", "ubuntu-14.04": "..."'
while [ $# -gt 0 ]; do
imageTag="$1"
shift
image="${imageTag%%[:@]*}"
tag="${imageTag#*:}"
imageId="${tag##*@}"
[ "$imageId" != "$tag" ] || imageId=
[ "$tag" != "$imageTag" ] || tag='latest'
tag="${tag%@*}"
imageFile="${image//\//_}" # "/" can't be in filenames :)
token="$(curl -sSL -o /dev/null -D- -H 'X-Docker-Token: true' "https://index.docker.io/v1/repositories/$image/images" | tr -d '\r' | awk -F ': *' '$1 == "X-Docker-Token" { print $2 }')"
if [ -z "$imageId" ]; then
imageId="$(curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/repositories/$image/tags/$tag")"
imageId="${imageId//\"/}"
fi
ancestryJson="$(curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/ancestry")"
if [ "${ancestryJson:0:1}" != '[' ]; then
echo >&2 "error: /v1/images/$imageId/ancestry returned something unexpected:"
echo >&2 " $ancestryJson"
exit 1
fi
IFS=','
ancestry=(${ancestryJson//[\[\] \"]/})
unset IFS
if [ -s "$dir/tags-$imageFile.tmp" ]; then
echo -n ', ' >> "$dir/tags-$imageFile.tmp"
else
images=("${images[@]}" "$image")
fi
echo -n '"'"$tag"'": "'"$imageId"'"' >> "$dir/tags-$imageFile.tmp"
echo "Downloading '$imageTag' (${#ancestry[@]} layers)..."
for imageId in "${ancestry[@]}"; do
mkdir -p "$dir/$imageId"
echo '1.0' > "$dir/$imageId/VERSION"
curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/json" -o "$dir/$imageId/json"
# TODO figure out why "-C -" doesn't work here
# "curl: (33) HTTP server doesn't seem to support byte ranges. Cannot resume."
# "HTTP/1.1 416 Requested Range Not Satisfiable"
if [ -f "$dir/$imageId/layer.tar" ]; then
# TODO hackpatch for no -C support :'(
echo "skipping existing ${imageId:0:12}"
continue
fi
curl -SL --progress-bar -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/layer" -o "$dir/$imageId/layer.tar" # -C -
done
echo
done
echo -n '{' > "$dir/repositories"
firstImage=1
for image in "${images[@]}"; do
imageFile="${image//\//_}" # "/" can't be in filenames :)
[ "$firstImage" ] || echo -n ',' >> "$dir/repositories"
firstImage=
echo -n $'\n\t' >> "$dir/repositories"
echo -n '"'"$image"'": { '"$(cat "$dir/tags-$imageFile.tmp")"' }' >> "$dir/repositories"
done
echo -n $'\n}\n' >> "$dir/repositories"
rm -f "$dir"/tags-*.tmp
echo "Download of images into '$dir' complete."
echo "Use something like the following to load the result into a Docker daemon:"
echo " tar -cC '$dir' . | docker load"