diff options
Diffstat (limited to 'src/conf_mode/service_serial-proxy.py')
-rwxr-xr-x | src/conf_mode/service_serial-proxy.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/conf_mode/service_serial-proxy.py b/src/conf_mode/service_serial-proxy.py new file mode 100755 index 000000000..85fcfed08 --- /dev/null +++ b/src/conf_mode/service_serial-proxy.py @@ -0,0 +1,101 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2018-2020 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 os + +from sys import exit + +from vyos.config import Config +from vyos.configdict import dict_merge +from vyos.template import render +from vyos.util import call +from vyos import ConfigError + +config_file = r'/etc/conserver/conserver.cf' + +# Default values are necessary until the implementation of T2588 is completed +default_values = { + 'data_bits': '8', + 'parity': 'none', + 'stop_bits': '1' +} + +def get_config(): + conf = Config() + base = ['service', 'serial-proxy'] + + if not conf.exists(base): + return None + + # Retrieve CLI representation as dictionary + proxy = conf.get_config_dict(base, key_mangling=('-', '_')) + # The retrieved dictionary will look something like this: + # + # {'device': {'usb0b2.4p1.0': {'speed': '9600'}, + # 'usb0b2.4p1.1': {'data_bits': '8', + # 'parity': 'none', + # 'speed': '115200', + # 'stop_bits': '2'}}} + + # We have gathered the dict representation of the CLI, but there are default + # options which we need to update into the dictionary retrived. + for device in proxy['device'].keys(): + tmp = dict_merge(default_values, proxy['device'][device]) + proxy['device'][device] = tmp + + return proxy + +def verify(proxy): + if not proxy: + return None + + for tmp in proxy['device']: + device = proxy['device'][tmp] + if not device['speed']: + raise ConfigError(f'Speed must be defined!') + + if device['ssh']: + if not device['ssh']['port']: + raise ConfigError(f'SSH port must be defined!') + + return None + +def generate(proxy): + if not proxy: + return None + + render(config_file, 'conserver/conserver.conf.tmpl', proxy) + return None + +def apply(proxy): + if not proxy: + call('systemctl stop conserver-server.service') + if os.path.isfile(config_file): + os.unlink(config_file) + return None + + call('systemctl restart conserver-server.service') + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) |