#!/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/>. # rename WWAN (wirelessmodem) serial interface from non persistent ttyUSB2 to # a bus like name, e.g. "usb0b1.3p1.3" import os from sys import exit, argv from vyos.configtree import ConfigTree if __name__ == '__main__': if (len(argv) < 1): print("Must specify file name!") exit(1) file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() config = ConfigTree(config_file) base = ['interfaces', 'wirelessmodem'] if not config.exists(base): # Nothing to do exit(0) for wwan in config.list_nodes(base): if config.exists(base + [wwan, 'device']): device = config.return_value(base + [wwan, 'device']) for root, dirs, files in os.walk('/dev/serial/by-bus'): for file in files: device_file = os.path.realpath(os.path.join(root, file)) if os.path.basename(device_file) == device: config.set(base + [wwan, 'device'], value=file, replace=True) try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print("Failed to save the modified config: {}".format(e)) exit(1)