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