docker tags script, reference: http://www.googlinux.com/list-all-tags-of-docker-image/index.html

docker-tags

#!/bin/bash

usage() {
    # echo -e '\e[31m[-]\e[39m usage:'
    echo "usage: docker-tags [[[-p page ] [-a --all]] | [-h --help]]"
}

page=1
image=
all=0

if [ $# -eq 0 ]; then
    usage
    exit 1
fi

while [ $# -ne 1 ]; do
    case $1 in
        -p | --page )           shift
                                page=$1;
                                ;;
        -a | --all )            all=1
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        * )                     usage
                                exit 1
    esac
    shift
done
image=$1

# curl https://registry.hub.docker.com/v2/repositories/$image/tags/?page=$page 2>/dev/null|jq '."results"[]["name"]'
echo
echo "get image tags from docker.com, image: $image"
echo

prefix="https://registry.hub.docker.com/v2/repositories"
[[ ! -z "$(echo "$image" | grep -i '/')" ]] && { link="$prefix/$image" ; } || { link="$prefix/library/$image" ; }
link="$link/tags/?page=$page"
echo "curl $link"
echo

res="$(curl -sL "$link")"
err="$(echo "$res" | grep -io 'Page Not Found')"
if [[ ! -z "$err" ]] ; then
    echo
    echo "No Image Found with name => $image"
    exit
else
    # echo $res  2>/dev/null | jq '.results[0]|keys'
    echo "tags:"
    if [ $all -eq 1 ]; then
        echo $res  2>/dev/null | jq '.results[] | {name: .name, size: .full_size, update_time: .last_updated}'
    else
        echo $res  2>/dev/null | jq '.results[] | .name'
    fi
fi
echo
exit