Created
June 20, 2019 11:11
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Deleting unused images from Google Container Registry, leaving x number left
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#!/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. | |
IFS=$'\n\t' | |
set -eou pipefail | |
if [[ "$#" -ne 2 || "${1}" == '-h' || "${1}" == '--help' ]]; then | |
cat >&2 <<"EOF" | |
housekeeping_images.sh cleans up tagged or untagged images pushed for a given repository (an image name without a tag/digest) | |
and except the given number most recent images | |
USAGE: | |
housekeeping_images.sh REPOSITORY NUMBER_OF_IMAGES_TO_REMAIN | |
EXAMPLE | |
housekeeping_images.sh eu.gcr.io/YOUR_PROJECT/IMAGE_NAME 5 | |
would clean up everything under the eu.gcr.io/test-project/php repository | |
pushed except for the 5 most recent images | |
EOF | |
exit 1 | |
# elif [ ${2} -ge 0 ] 2>/dev/null; then | |
# echo "no number of images to remain given" >&2 | |
# exit 1 | |
fi | |
main() { | |
local C=0 | |
IMAGE="${1}" | |
NUMBER_OF_IMAGES_TO_REMAIN=$((${2} - 1)) | |
DATE=$(gcloud container images list-tags $IMAGE --limit=unlimited \ | |
--sort-by=~TIMESTAMP --format=json | TZ=/usr/share/zoneinfo/UTC jq -r '.['$NUMBER_OF_IMAGES_TO_REMAIN'].timestamp.datetime | sub("(?<before>.*):"; .before ) | strptime("%Y-%m-%d %H:%M:%S%z") | mktime | strftime("%Y-%m-%d")') | |
for digest in $(gcloud container images list-tags $IMAGE --limit=unlimited --sort-by=~TIMESTAMP \ | |
--filter="timestamp.datetime < '${DATE}'" --format='get(digest)'); do | |
( | |
set -x | |
gcloud container images delete -q --force-delete-tags "${IMAGE}@${digest}" | |
) | |
let C=C+1 | |
done | |
echo "Deleted ${C} images in ${IMAGE}." >&2 | |
} | |
main "${1}" ${2} |
Note that the script does not work, if you push multiple images on the same day.
Quick fix: https://gist.github.com/birnbuazn/62b7d2e2e7e5152e82a8f7650b3f73e4
Hi, thanks for the inspiration. Now I create the delete multiple image tags version to provide a GitOps environment.
https://gist.github.com/andrimuhyidin/a05b2b18642f914a7725cf2572e85e8f
Hi
how we can recursively search for child repository ??
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Thanks! I put this into a
cloudbuild.yaml
step: https://gist.github.com/hazcod/232d4aa30d2778f0ab5cc0cd21a53281