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#!/usr/bin/env python3
#
# Copyright (C) 2021-2022 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import argparse
from getpass import getuser
from vyos.configquery import ConfigTreeQuery
from vyos.base import Warning
from vyos.util import cmd
from subprocess import STDOUT
parser = argparse.ArgumentParser()
parser.add_argument("-a", "--all", action="store_true", help="Show all containers")
parser.add_argument("-i", "--image", action="store_true", help="Show container images")
parser.add_argument("-n", "--networks", action="store_true", help="Show container images")
parser.add_argument("-p", "--pull", action="store", help="Pull image for container")
parser.add_argument("-d", "--remove", action="store", help="Delete container image")
parser.add_argument("-u", "--update", action="store", help="Update given container image")
config = ConfigTreeQuery()
base = ['container']
if getuser() != 'root':
raise OSError('This functions needs to be run as root to return correct results!')
if __name__ == '__main__':
args = parser.parse_args()
if args.all:
print(cmd('podman ps --all'))
elif args.image:
print(cmd('podman image ls'))
elif args.networks:
print(cmd('podman network ls'))
elif args.pull:
image = args.pull
registry_config = '/etc/containers/registries.conf'
if not os.path.exists(registry_config):
Warning('No container registry configured. Please use full URL when '\
'adding an image. E.g. prefix with docker.io/image-name.')
try:
print(os.system(f'podman image pull {image}'))
except Exception as e:
print(f'Unable to download image "{image}". {e}')
elif args.remove:
image = args.remove
try:
print(os.system(f'podman image rm {image}'))
except FileNotFoundError as e:
print(f'Unable to delete image "{image}". {e}')
elif args.update:
tmp = config.get_config_dict(base + ['name', args.update],
key_mangling=('-', '_'), get_first_key=True)
try:
image = tmp['image']
print(cmd(f'podman image pull {image}'))
except Exception as e:
print(f'Unable to download image "{image}". {e}')
else:
parser.print_help()
exit(1)
exit(0)
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