diff options
Diffstat (limited to 'src/conf_mode/system-ip.py')
| -rwxr-xr-x | src/conf_mode/system-ip.py | 74 |
1 files changed, 61 insertions, 13 deletions
diff --git a/src/conf_mode/system-ip.py b/src/conf_mode/system-ip.py index 0c5063ed3..5e4e5ec28 100755 --- a/src/conf_mode/system-ip.py +++ b/src/conf_mode/system-ip.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019-2022 VyOS maintainers and contributors +# Copyright (C) 2019-2023 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 @@ -18,12 +18,14 @@ from sys import exit from vyos.config import Config from vyos.configdict import dict_merge -from vyos.util import call -from vyos.util import dict_search -from vyos.util import sysctl_write -from vyos.util import write_file -from vyos.xml import defaults +from vyos.configverify import verify_route_map +from vyos.template import render_to_string +from vyos.utils.process import call +from vyos.utils.dict import dict_search +from vyos.utils.file import write_file +from vyos.utils.system import sysctl_write from vyos import ConfigError +from vyos import frr from vyos import airbag airbag.enable() @@ -34,19 +36,33 @@ def get_config(config=None): conf = Config() base = ['system', 'ip'] - opt = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) - # We have gathered the dict representation of the CLI, but there are default - # options which we need to update into the dictionary retrived. - default_values = defaults(base) - opt = dict_merge(default_values, opt) + opt = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, + with_recursive_defaults=True) + # When working with FRR we need to know the corresponding address-family + opt['afi'] = 'ip' + + # We also need the route-map information from the config + # + # XXX: one MUST always call this without the key_mangling() option! See + # vyos.configverify.verify_common_route_maps() for more information. + tmp = {'policy' : {'route-map' : conf.get_config_dict(['policy', 'route-map'], + get_first_key=True)}} + # Merge policy dict into "regular" config dict + opt = dict_merge(tmp, opt) return opt def verify(opt): - pass + if 'protocol' in opt: + for protocol, protocol_options in opt['protocol'].items(): + if 'route_map' in protocol_options: + verify_route_map(protocol_options['route_map'], opt) + return def generate(opt): - pass + opt['frr_zebra_config'] = render_to_string('frr/zebra.route-map.frr.j2', opt) + return def apply(opt): # Apply ARP threshold values @@ -78,6 +94,38 @@ def apply(opt): value = '1' if (tmp != None) else '0' sysctl_write('net.ipv4.fib_multipath_hash_policy', value) + # configure TCP options (defaults as of Linux 6.4) + tmp = dict_search('tcp.mss.probing', opt) + if tmp is None: + value = 0 + elif tmp == 'on-icmp-black-hole': + value = 1 + elif tmp == 'force': + value = 2 + else: + # Shouldn't happen + raise ValueError("TCP MSS probing is neither 'on-icmp-black-hole' nor 'force'!") + sysctl_write('net.ipv4.tcp_mtu_probing', value) + + tmp = dict_search('tcp.mss.base', opt) + value = '1024' if (tmp is None) else tmp + sysctl_write('net.ipv4.tcp_base_mss', value) + + tmp = dict_search('tcp.mss.floor', opt) + value = '48' if (tmp is None) else tmp + sysctl_write('net.ipv4.tcp_mtu_probe_floor', value) + + zebra_daemon = 'zebra' + # Save original configuration prior to starting any commit actions + frr_cfg = frr.FRRConfig() + + # The route-map used for the FIB (zebra) is part of the zebra daemon + frr_cfg.load_configuration(zebra_daemon) + frr_cfg.modify_section(r'ip protocol \w+ route-map [-a-zA-Z0-9.]+', stop_pattern='(\s|!)') + if 'frr_zebra_config' in opt: + frr_cfg.add_before(frr.default_add_before, opt['frr_zebra_config']) + frr_cfg.commit_configuration(zebra_daemon) + if __name__ == '__main__': try: c = get_config() |