Remove old outdated repositories from DockerHub account

.gitignore

.env

cleanup.sh

#!/usr/bin/env bash
set -euo pipefail

: ${USERNAME:=}       # Username of the user to clean repos from
: ${TOKEN:=}          # Token (or password) for the user to clean
: ${RETAIN_DAYS:=365} # How long to keep repos after last update

DEL_THRESH=$((RETAIN_DAYS * 24 * 3600))

[[ -n $USERNAME ]] || {
	echo "Missing USERNAME" >&2
	exit 1
}

[[ -n $TOKEN ]] || {
	echo "Missing TOKEN" >&2
	exit 1
}

token=$(
	curl -sSfL -X POST \
		-H 'Content-Type: application/json' \
		--data-binary "{\"username\": \"${USERNAME}\", \"password\": \"${TOKEN}\"}" \
		https://hub.docker.com/v2/users/login | jq -r '.token'
)

IFS=$'\n'

url="https://hub.docker.com/v2/repositories/${USERNAME}?page=1&page_size=25&ordering=last_updated"
while :; do
	resp="$(curl -sSfL -X GET \
		-H 'Content-Type: application/json' \
		-H "Authorization: Bearer ${token}" \
		"${url}")"

	for repo in $(echo "${resp}" | jq -c '.results[]'); do
		name=$(echo "${repo}" | jq -r '.name')

		echo -n "Found ${USERNAME}/${name}: " >&2

		last_updated=$(date -d $(echo "${repo}" | jq -r '.last_updated') +%s)
		[ $(($(date +%s) - last_updated)) -gt $DEL_THRESH ] || {
			echo "Skipping (age)..." >&2
			continue
		}

		status=$(echo "${repo}" | jq -r '.status')
		[[ $status -ne 2 ]] || {
			echo "Skipping (is deleting)..." >&2
			continue
		}

		echo "Deleting..." >&2

		curl -sSfL -X 'DELETE' \
			-H 'Content-Type: application/json' \
			-H "Authorization: Bearer ${token}" \
			"https://hub.docker.com/v2/repositories/${USERNAME}/${name}/"
	done

	url="$(echo "${resp}" | jq -r '.next')"
	[[ $url != null ]] || break
done