diff --git a/.ci/ecr_public_lifecycle.py b/.ci/ecr_public_lifecycle.py new file mode 100755 index 0000000..7397dc4 --- /dev/null +++ b/.ci/ecr_public_lifecycle.py @@ -0,0 +1,63 @@ +#!/usr/bin/env python3 + +import argparse +import boto3 + +parser = argparse.ArgumentParser( + description='Implement basic public ECR lifecycle policy') +parser.add_argument('--repo', dest='repositoryName', action='store', required=True, + help='Name of the public ECR repository') +parser.add_argument('--keep', dest='keep', action='store', default=10, type=int, + help='number of tagged images to keep, default 10') +parser.add_argument('--dev', dest='delete_dev', action='store_true', + help='also delete in-development images only having tags like v0.1.1-commitNr-githash') + +args = parser.parse_args() + +client = boto3.client('ecr-public', region_name='us-east-1') + +images = client.describe_images(repositoryName=args.repositoryName)[ + "imageDetails"] + +untagged = [] +kept = 0 + +# actual Image +# imageManifestMediaType: 'application/vnd.oci.image.manifest.v1+json' +# image Index +# imageManifestMediaType: 'application/vnd.oci.image.index.v1+json' + +# Sort by date uploaded +for image in sorted(images, key=lambda d: d['imagePushedAt'], reverse=True): + # Remove all untagged + # if registry uses image index all actual images will be untagged anyways + if 'imageTags' not in image: + untagged.append({"imageDigest": image['imageDigest']}) + # print("Delete untagged image {}".format(image["imageDigest"])) + continue + + # check for dev tags + if args.delete_dev: + _delete = True + for tag in image["imageTags"]: + # Look for at least one tag NOT beign a SemVer dev tag + if "-" not in tag: + _delete = False + if _delete: + print("Deleting development image {}".format(image["imageTags"])) + untagged.append({"imageDigest": image['imageDigest']}) + continue + + if kept < args.keep: + kept = kept+1 + print("Keeping tagged image {}".format(image["imageTags"])) + continue + else: + print("Deleting tagged image {}".format(image["imageTags"])) + untagged.append({"imageDigest": image['imageDigest']}) + +deleted_images = client.batch_delete_image( + repositoryName=args.repositoryName, imageIds=untagged) + +if deleted_images["imageIds"]: + print("Deleted images: {}".format(deleted_images["imageIds"]))