diff options
Diffstat (limited to 'src/conf_mode')
| -rwxr-xr-x | src/conf_mode/interfaces-tunnel.py | 4 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_bgp.py | 45 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_ospf.py | 61 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_static.py | 24 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_vrf.py | 72 |
5 files changed, 116 insertions, 90 deletions
diff --git a/src/conf_mode/interfaces-tunnel.py b/src/conf_mode/interfaces-tunnel.py index b63312750..cab94a5b0 100755 --- a/src/conf_mode/interfaces-tunnel.py +++ b/src/conf_mode/interfaces-tunnel.py @@ -34,7 +34,7 @@ from vyos.ifconfig import Interface from vyos.ifconfig import TunnelIf from vyos.template import is_ipv4 from vyos.template import is_ipv6 -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from vyos.util import dict_search from vyos import ConfigError from vyos import airbag @@ -103,7 +103,7 @@ def apply(tunnel): # There is no other solution to destroy and recreate the tunnel. encap = '' remote = '' - tmp = get_json_iface_options(interface) + tmp = get_interface_config(interface) if tmp: encap = dict_search('linkinfo.info_kind', tmp) remote = dict_search('linkinfo.info_data.remote', tmp) diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 7dede74a1..43ca37f9d 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -17,6 +17,7 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.configdict import dict_merge @@ -37,11 +38,24 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'bgp'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'bgp'] + + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'bgp'] or base_path bgp = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) - # Bail out early if configuration tree does not exist + # Assign the name of our VRF context. This MUST be done before the return + # statement below, else on deletion we will delete the default instance + # instead of the VRF instance. + if vrf: bgp.update({'vrf' : vrf}) + if not conf.exists(base): + bgp.update({'deleted' : ''}) return bgp # We also need some additional information from the config, @@ -80,11 +94,20 @@ def verify(bgp): if not bgp: return None - # Check if declared more than one ASN - if len(bgp) > 1: - raise ConfigError('Only one BGP AS number can be defined!') + # FRR bgpd only supports one Autonomous System Number, verify this! + asn = 0 + for key in bgp: + if key.isnumeric(): + asn +=1 + if asn > 1: + raise ConfigError('Only one BGP AS number can be defined!') for asn, asn_config in bgp.items(): + # Workaround for https://phabricator.vyos.net/T1711 + # We also have a vrf, and deleted key now - so we can only veriy "numbers" + if not asn.isnumeric(): + continue + # Common verification for both peer-group and neighbor statements for neighbor in ['neighbor', 'peer_group']: # bail out early if there is no neighbor or peer-group statement @@ -175,7 +198,7 @@ def verify(bgp): return None def generate(bgp): - if not bgp: + if not bgp or 'deleted' in bgp: bgp['new_frr_config'] = '' return None @@ -183,6 +206,8 @@ def generate(bgp): # of the config dict asn = list(bgp.keys())[0] bgp[asn]['asn'] = asn + if 'vrf' in bgp: + bgp[asn]['vrf'] = bgp['vrf'] bgp['new_frr_config'] = render_to_string('frr/bgp.frr.tmpl', bgp[asn]) return None @@ -191,7 +216,13 @@ def apply(bgp): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(f'^router bgp \d+$', '') + + if 'vrf' in bgp: + vrf = bgp['vrf'] + frr_cfg.modify_section(f'^router bgp \d+ vrf {vrf}$', '') + else: + frr_cfg.modify_section('^router bgp \d+$', '') + frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', bgp['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_ospf.py b/src/conf_mode/protocols_ospf.py index aefe7c23e..ef2aeda7f 100755 --- a/src/conf_mode/protocols_ospf.py +++ b/src/conf_mode/protocols_ospf.py @@ -17,14 +17,17 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.configdict import dict_merge +from vyos.configdict import node_changed from vyos.configverify import verify_route_maps from vyos.configverify import verify_interface_exists from vyos.template import render_to_string from vyos.util import call from vyos.util import dict_search +from vyos.util import get_interface_config from vyos.xml import defaults from vyos import ConfigError from vyos import frr @@ -38,16 +41,33 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'ospf'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'ospf'] + + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'ospf'] or base_path ospf = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + # Assign the name of our VRF context. This MUST be done before the return + # statement below, else on deletion we will delete the default instance + # instead of the VRF instance. + if vrf: ospf['vrf'] = vrf + # Bail out early if configuration tree does not exist if not conf.exists(base): + ospf.update({'deleted' : ''}) return ospf # 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) + # XXX: Note that we can not call defaults(base), as defaults does not work + # on an instance of a tag node. As we use the exact same CLI definition for + # both the non-vrf and vrf version this is absolutely safe! + default_values = defaults(base_path) # We have to cleanup the default dict, as default values could enable features # which are not explicitly enabled on the CLI. Example: default-information @@ -99,6 +119,14 @@ def get_config(config=None): ospf['interface'][interface] = dict_merge(default_values, ospf['interface'][interface]) + # As we no re-use this Python handler for both VRF and non VRF instances for + # OSPF we need to find out if any interfaces changed so properly adjust + # the FRR configuration and not by acctident change interfaces from a + # different VRF. + interfaces_removed = node_changed(conf, base + ['interface']) + if interfaces_removed: + ospf['interface_removed'] = list(interfaces_removed) + # We also need some additional information from the config, prefix-lists # and route-maps for instance. They will be used in verify() base = ['policy'] @@ -121,12 +149,22 @@ def verify(ospf): # time. FRR will only activate the last option set via CLI. if {'hello_multiplier', 'dead_interval'} <= set(ospf['interface'][interface]): raise ConfigError(f'Can not use hello-multiplier and dead-interval ' \ - f'concurrently for "{interface}"!') + f'concurrently for {interface}!') + + if 'vrf' in ospf: + # If interface specific options are set, we must ensure that the + # interface is bound to our requesting VRF. Due to the VyOS/Vyatta + # priorities the interface is bound to the VRF after creation of + # the VRF itself, and before any routing protocol is configured. + vrf = ospf['vrf'] + tmp = get_interface_config(interface) + if 'master' not in tmp or tmp['master'] != vrf: + raise ConfigError(f'Interface {interface} is not a member of VRF {vrf}!') return None def generate(ospf): - if not ospf: + if not ospf or 'deleted' in ospf: ospf['new_frr_config'] = '' return None @@ -137,8 +175,19 @@ def apply(ospf): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'^interface \S+', '') - frr_cfg.modify_section('^router ospf$', '') + + if 'vrf' in ospf: + vrf = ospf['vrf'] + frr_cfg.modify_section(f'^router ospf vrf {vrf}$', '') + else: + frr_cfg.modify_section('^router ospf$', '') + + for key in ['interface', 'interface_removed']: + if key not in ospf: + continue + for interface in ospf[key]: + frr_cfg.modify_section(f'^interface {interface}$', '') + frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', ospf['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_static.py b/src/conf_mode/protocols_static.py index 5d101b33e..51b4acfc8 100755 --- a/src/conf_mode/protocols_static.py +++ b/src/conf_mode/protocols_static.py @@ -17,6 +17,7 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.template import render_to_string @@ -34,8 +35,19 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'static'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'static'] + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'static'] or base_path static = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + + # Assign the name of our VRF context + if vrf: static['vrf'] = vrf + return static def verify(static): @@ -50,8 +62,14 @@ def apply(static): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'^ip route .*', '') - frr_cfg.modify_section(r'^ipv6 route .*', '') + + if 'vrf' in static: + vrf = static['vrf'] + frr_cfg.modify_section(f'^vrf {vrf}$', '') + else: + frr_cfg.modify_section(r'^ip route .*', '') + frr_cfg.modify_section(r'^ipv6 route .*', '') + frr_cfg.add_before(r'(interface .*|line vty)', static['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_vrf.py b/src/conf_mode/protocols_vrf.py deleted file mode 100755 index 227e7d5e1..000000000 --- a/src/conf_mode/protocols_vrf.py +++ /dev/null @@ -1,72 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2021 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.template import render_to_string -from vyos.util import call -from vyos import ConfigError -from vyos import frr -from vyos import airbag -airbag.enable() - -frr_daemon = 'staticd' - -def get_config(config=None): - if config: - conf = config - else: - conf = Config() - base = ['protocols', 'vrf'] - vrf = conf.get_config_dict(base, key_mangling=('-', '_')) - return vrf - -def verify(vrf): - - return None - -def generate(vrf): - vrf['new_frr_config'] = render_to_string('frr/vrf.frr.tmpl', vrf) - return None - -def apply(vrf): - # Save original configuration prior to starting any commit actions - frr_cfg = frr.FRRConfig() - frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'vrf \S+', '') - frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', vrf['new_frr_config']) - frr_cfg.commit_configuration(frr_daemon) - - # If FRR config is blank, rerun the blank commit x times due to frr-reload - # behavior/bug not properly clearing out on one commit. - if vrf['new_frr_config'] == '': - for a in range(5): - frr_cfg.commit_configuration(frr_daemon) - - return None - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - exit(1) |