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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# COPYRIGHT NOTICE STARTS HERE
# Copyright 2019 © Samsung Electronics Co., Ltd.
#
# 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.
# COPYRIGHT NOTICE ENDS HERE
import argparse
import docker
import logging
import sys
from downloader import AbstractDownloader
from docker_downloader import DockerDownloader
def main():
parser = argparse.ArgumentParser()
parser.add_argument('image_lists', nargs='+', help='Images to keep')
parser.add_argument('--debug', '-d', action='store_true', help='Debugging messages')
args = parser.parse_args()
if args.debug:
logging.basicConfig(level=logging.DEBUG, stream=sys.stdout)
else:
logging.basicConfig(level=logging.INFO, stream=sys.stdout, format='%(message)s')
target = set()
for lst in args.image_lists:
target = target.union(AbstractDownloader.load_list(lst))
target = set(map(DockerDownloader.image_registry_name, target))
client = docker.client.DockerClient(version='auto')
errors = 0
for image in client.images.list():
for tag in image.tags:
logging.debug('Checking {}'.format(tag))
if tag not in target:
logging.debug('Image \'{}\' not in lists'.format(tag))
logging.info('Removing: {}'.format(tag))
try:
client.images.remove(tag)
logging.info('Removed: {}'.format(tag))
except docker.errors.APIError as err:
errors += 1
logging.exception(err)
else:
logging.debug('Image \'{}\' found in lists.'.format(tag))
sys.exit(errors)
if __name__ == '__main__':
main()
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