diff options
Diffstat (limited to 'src/conf_mode/service_router-advert.py')
| -rwxr-xr-x | src/conf_mode/service_router-advert.py | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/src/conf_mode/service_router-advert.py b/src/conf_mode/service_router-advert.py index 71b758399..ff7caaa84 100755 --- a/src/conf_mode/service_router-advert.py +++ b/src/conf_mode/service_router-advert.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2021 VyOS maintainers and contributors +# Copyright (C) 2018-2022 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 @@ -17,7 +17,7 @@ import os from sys import exit - +from vyos.base import Warning from vyos.config import Config from vyos.configdict import dict_merge from vyos.template import render @@ -79,22 +79,35 @@ def verify(rtradv): if 'interface' not in rtradv: return None - for interface in rtradv['interface']: - interface = rtradv['interface'][interface] + for interface, interface_config in rtradv['interface'].items(): if 'prefix' in interface: - for prefix in interface['prefix']: - prefix = interface['prefix'][prefix] - valid_lifetime = prefix['valid_lifetime'] + for prefix, prefix_config in interface_config['prefix'].items(): + valid_lifetime = prefix_config['valid_lifetime'] if valid_lifetime == 'infinity': valid_lifetime = 4294967295 - preferred_lifetime = prefix['preferred_lifetime'] + preferred_lifetime = prefix_config['preferred_lifetime'] if preferred_lifetime == 'infinity': preferred_lifetime = 4294967295 if not (int(valid_lifetime) > int(preferred_lifetime)): raise ConfigError('Prefix valid-lifetime must be greater then preferred-lifetime') + if 'name_server_lifetime' in interface_config: + # man page states: + # The maximum duration how long the RDNSS entries are used for name + # resolution. A value of 0 means the nameserver must no longer be + # used. The value, if not 0, must be at least MaxRtrAdvInterval. To + # ensure stale RDNSS info gets removed in a timely fashion, this + # should not be greater than 2*MaxRtrAdvInterval. + lifetime = int(interface_config['name_server_lifetime']) + interval_max = int(interface_config['interval']['max']) + if lifetime > 0: + if lifetime < int(interval_max): + raise ConfigError(f'RDNSS lifetime must be at least "{interval_max}" seconds!') + if lifetime > 2* interval_max: + Warning(f'RDNSS lifetime should not exceed "{2 * interval_max}" which is two times "interval max"!') + return None def generate(rtradv): @@ -105,15 +118,16 @@ def generate(rtradv): return None def apply(rtradv): + systemd_service = 'radvd.service' if not rtradv: # bail out early - looks like removal from running config - call('systemctl stop radvd.service') + call(f'systemctl stop {systemd_service}') if os.path.exists(config_file): os.unlink(config_file) return None - call('systemctl restart radvd.service') + call(f'systemctl reload-or-restart {systemd_service}') return None |