#!/usr/bin/env python3 # # Copyright (C) 2020 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 sys import os import re import json from datetime import datetime, timedelta version_file = r'/usr/share/vyos/version.json' def _get_sys_build_version(): if not os.path.exists(version_file): return None buf = open(version_file, 'r').read() j = json.loads(buf) if not 'built_on' in j: return None return datetime.strptime(j['built_on'], '%a %d %b %Y %H:%M %Z') def _check_pkgs(build_stamp): pkg_diffs = { 'buildtime': str(build_stamp), 'pkg': {} } pkg_info = os.listdir('/var/lib/dpkg/info/') for file in pkg_info: if re.search('\.list$', file): fts = os.stat('/var/lib/dpkg/info/' + file).st_mtime dt_str = (datetime.utcfromtimestamp( fts).strftime('%Y-%m-%d %H:%M:%S')) fdt = datetime.strptime(dt_str, '%Y-%m-%d %H:%M:%S') if fdt > build_stamp: pkg_diffs['pkg'].update( {str(re.sub('\.list', '', file)): str(fdt)}) if len(pkg_diffs['pkg']) != 0: return pkg_diffs else: return None if __name__ == '__main__': built_date = _get_sys_build_version() if not built_date: sys.exit(1) pkgs = _check_pkgs(built_date) if pkgs: print ( "The following packages don\'t fit the image creation time\nbuild time:\t" + pkgs['buildtime']) for k, v in pkgs['pkg'].items(): print ("installed: " + v + '\t' + k)