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-rwxr-xr-xsrc/conf_mode/service_serial-proxy.py101
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
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+++ b/src/conf_mode/service_serial-proxy.py
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+#!/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)