diff options
Diffstat (limited to 'src/conf_mode/dhcp_relay.py')
-rwxr-xr-x | src/conf_mode/dhcp_relay.py | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/conf_mode/dhcp_relay.py b/src/conf_mode/dhcp_relay.py deleted file mode 100755 index 37d708847..000000000 --- a/src/conf_mode/dhcp_relay.py +++ /dev/null @@ -1,104 +0,0 @@ -#!/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.base import Warning -from vyos.config import Config -from vyos.template import render -from vyos.base import Warning -from vyos.utils.process import call -from vyos.utils.dict import dict_search -from vyos import ConfigError -from vyos import airbag -airbag.enable() - -config_file = r'/run/dhcp-relay/dhcrelay.conf' - -def get_config(config=None): - if config: - conf = config - else: - conf = Config() - base = ['service', 'dhcp-relay'] - if not conf.exists(base): - return None - - relay = conf.get_config_dict(base, key_mangling=('-', '_'), - get_first_key=True, - with_recursive_defaults=True) - - return relay - -def verify(relay): - # bail out early - looks like removal from running config - if not relay or 'disable' in relay: - return None - - if 'lo' in (dict_search('interface', relay) or []): - raise ConfigError('DHCP relay does not support the loopback interface.') - - if 'server' not in relay : - raise ConfigError('No DHCP relay server(s) configured.\n' \ - 'At least one DHCP relay server required.') - - if 'interface' in relay: - Warning('DHCP relay interface is DEPRECATED - please use upstream-interface and listen-interface instead!') - if 'upstream_interface' in relay or 'listen_interface' in relay: - raise ConfigError('<interface> configuration is not compatible with upstream/listen interface') - else: - Warning('<interface> is going to be deprecated.\n' \ - 'Please use <listen-interface> and <upstream-interface>') - - if 'upstream_interface' in relay and 'listen_interface' not in relay: - raise ConfigError('No listen-interface configured') - if 'listen_interface' in relay and 'upstream_interface' not in relay: - raise ConfigError('No upstream-interface configured') - - return None - -def generate(relay): - # bail out early - looks like removal from running config - if not relay or 'disable' in relay: - return None - - render(config_file, 'dhcp-relay/dhcrelay.conf.j2', relay) - return None - -def apply(relay): - # bail out early - looks like removal from running config - service_name = 'isc-dhcp-relay.service' - if not relay or 'disable' in relay: - call(f'systemctl stop {service_name}') - if os.path.exists(config_file): - os.unlink(config_file) - return None - - call(f'systemctl restart {service_name}') - - return None - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - exit(1) |