from hashlib import md5 defaults = { 'backup-client': { # unix user names cannot be longer than 32 characters. # bundlewrap raises an error if the name is longer than 30 chars. 'user-name': 'c-' + md5(node.name.encode('UTF-8')).hexdigest()[:28], }, } @metadata_reactor def cron(metadata): if metadata.get('backups/exclude_from_backups', False): return {} return { 'cron': { 'backup': '{} 1 * * * root /usr/local/bin/generate-backup > /dev/null'.format( (node.magic_number % 60), ), }, }