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List and delete tags and repositories from v2 docker registry
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#!/bin/bash | |
set -euo pipefail | |
CMD=$0 | |
function usage { | |
cat <<EOU | |
Usage: | |
$CMD REGISTRY_BASE_URL ACTION [OPTIONS..] | |
Actions: | |
- list list repos | |
- list REPO list tags for repo | |
- delete REPO TAG delete tag for repo | |
Example: | |
List all repos | |
/$ $CMD https://registry.my.domain list | |
List tags for one repo | |
/$ $CMD https://registry.my.domain list some-repo | |
Delete tag for a repo | |
/$ $CMD https://registry.my.domain delete some-repo | |
EOU | |
exit 1 | |
} | |
[ $# -lt 2 ] && usage | |
set +e | |
PROTO="$(echo $1 | grep :// | sed -e's,^\(.*://\).*,\1,g')" | |
set -e | |
[ -z "$PROTO" ] && >&2 echo "ERROR: Must have protocol in registry url" && usage | |
# remove the protocol | |
REG="$(echo ${1/$PROTO/})" | |
shift | |
ACTION="$1" | |
shift | |
CREDS="Authorization: Basic $(jq -r '.auths."'$REG'".auth' < ~/.docker/config.json)" | |
case "$ACTION" in | |
list) | |
if [ $# -eq 1 ]; then | |
repo=${1} | |
if [ -n "$repo" ]; then | |
curl -s --header "$CREDS" $PROTO$REG/v2/$repo/tags/list | jq -r '.tags|.[]' | |
fi | |
else | |
curl -s --header "$CREDS" $PROTO$REG/v2/_catalog | jq -r '.repositories|.[]' | |
fi | |
;; | |
delete) | |
repo=$1 | |
tag=$2 | |
digest=$(curl -v -s --header "$CREDS" -H "Accept:application/vnd.docker.distribution.manifest.v2+json" $PROTO$REG/v2/$repo/manifests/$tag 2>&1 |grep "< Docker-Content-Digest:"|awk '{print $3}') | |
digest=${digest//[$'\t\r\n']} | |
echo "DIGEST: $digest" | |
result=$(curl --header "$CREDS" -s -o /dev/null -w "%{http_code}" -H "Accept:application/vnd.docker.distribution.manifest.v2+json" -X DELETE "$PROTO$REG/v2/$repo/manifests/$digest") | |
if [ $result -eq 202 ]; then | |
echo "Successfully deleted" | |
exit 0 | |
else | |
echo "Failed to delete" | |
exit 3 | |
fi | |
;; | |
esac |
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