-
-
Save 27Bslash6/ba9dca6ca6b90c05d6bfa9136c667e9a to your computer and use it in GitHub Desktop.
Script to clean up Google Container Registry images pushed before a particular date
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| # Copyright © 2017 Google Inc. | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # Google Container Registry Garbage Collection | |
| # Source: https://gist.github.com/27Bslash6/ba9dca6ca6b90c05d6bfa9136c667e9a | |
| # Forked by Raymond Walker <raymond.walker@greenpeace.org> | |
| # Original by Ahmet Alp Balkan https://gist.github.com/ahmetb | |
| IFS=$'\n\t' | |
| set -eo pipefail | |
| if [[ "$#" -ne 2 || "${1}" == '-h' || "${1}" == '--help' ]] | |
| then | |
| cat >&2 <<"EOF" | |
| $(basename "$0") removes images pushed before a specified date in | |
| any given repository (an image name without a tag/digest). | |
| USAGE: | |
| gcrgc.sh IMAGE DATE | |
| EXAMPLE | |
| Delete everything under the gcr.io/greenpeace/php-fpm repository | |
| pushed before 2017-04-01 - | |
| gcrgc.sh gcr.io/greenpeace/php-fpm 2017-04-01 | |
| Clean up everything under the gcr.io/greenpeace/php-fpm repository | |
| pushed before 2017-04-01. | |
| TRIAL RUN | |
| List image digests to be deleted, but perform no action - | |
| TRIAL_RUN=1 gcrgc.sh gcr.io/greenpeace/php-fpm 2017-04-01 | |
| EOF | |
| exit 1 | |
| elif [[ ! "${2}" =~ [0-9]{4}-[0-9]{2}-[0-9]{2} ]] | |
| then | |
| echo "wrong DATE format; use YYYY-MM-DD." >&2 | |
| exit 1 | |
| fi | |
| if [[ ! -z "${TRIAL_RUN}" ]] && \ | |
| [[ "${TRIAL_RUN}" != 'false' ]] && \ | |
| [[ ${TRIAL_RUN} -ne 0 ]] | |
| then | |
| echo >&2 "Trial run only, no changes will be committed" | |
| fi | |
| main() { | |
| local C=0 | |
| IMAGE="${1}" | |
| DATE="${2}" | |
| for digest in $(gcloud container images list-tags ${IMAGE} --limit=999999 --sort-by=TIMESTAMP \ | |
| --filter="timestamp.datetime < '${DATE}'" --format='get(digest)') | |
| do | |
| ( | |
| if [[ ${TRIAL_RUN} = "true" ]] | |
| then | |
| echo "gcloud container images delete -q --force-delete-tags "${IMAGE}@${digest}"" | |
| else | |
| set -x | |
| gcloud container images delete -q --force-delete-tags "${IMAGE}@${digest}" | |
| fi | |
| ) | |
| let C=C+1 | |
| done | |
| echo "Deleted ${C} images in ${IMAGE}." >&2 | |
| } | |
| main "${1}" "${2}" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment