diff options
Diffstat (limited to 'src/conf_mode/protocols_bgp.py')
| -rwxr-xr-x | src/conf_mode/protocols_bgp.py | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index c410258ee..b23584bdb 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -50,16 +50,24 @@ def get_config(config=None): bgp = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=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: bgp.update({'vrf' : vrf}) - bgp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=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: + bgp.update({'vrf' : vrf}) + # We can not delete the BGP VRF instance if there is a L3VNI configured + tmp = ['vrf', 'name', vrf, 'vni'] + if conf.exists(tmp): + bgp.update({'vni' : conf.return_value(tmp)}) + # We can safely delete ourself from the dependent vrf list + if vrf in bgp['dependent_vrfs']: + del bgp['dependent_vrfs'][vrf] + bgp['dependent_vrfs'].update({'default': {'protocols': { 'bgp': conf.get_config_dict(base_path, key_mangling=('-', '_'), get_first_key=True, @@ -202,9 +210,13 @@ def verify(bgp): if 'vrf' in bgp: # Cannot delete vrf if it exists in import vrf list in other vrfs for tmp_afi in ['ipv4_unicast', 'ipv6_unicast']: - if verify_vrf_as_import(bgp['vrf'],tmp_afi,bgp['dependent_vrfs']): - raise ConfigError(f'Cannot delete vrf {bgp["vrf"]} instance, ' \ - 'Please unconfigure import vrf commands!') + if verify_vrf_as_import(bgp['vrf'], tmp_afi, bgp['dependent_vrfs']): + raise ConfigError(f'Cannot delete VRF instance "{bgp["vrf"]}", ' \ + 'unconfigure "import vrf" commands!') + # We can not delete the BGP instance if a L3VNI instance exists + if 'vni' in bgp: + raise ConfigError(f'Cannot delete VRF instance "{bgp["vrf"]}", ' \ + f'unconfigure VNI "{bgp["vni"]}" first!') else: # We are running in the default VRF context, thus we can not delete # our main BGP instance if there are dependent BGP VRF instances. @@ -235,6 +247,11 @@ def verify(bgp): raise ConfigError(f'Specified peer-group "{peer_group}" for '\ f'neighbor "{neighbor}" does not exist!') + if 'local_role' in peer_config: + #Ensure Local Role has only one value. + if len(peer_config['local_role']) > 1: + raise ConfigError(f'Only one local role can be specified for peer "{peer}"!') + if 'local_as' in peer_config: if len(peer_config['local_as']) > 1: raise ConfigError(f'Only one local-as number can be specified for peer "{peer}"!') @@ -407,6 +424,11 @@ def verify(bgp): raise ConfigError('Missing mandatory configuration option for '\ f'global administrative distance {key}!') + # TCP keepalive requires all three parameters to be set + if dict_search('parameters.tcp_keepalive', bgp) != None: + if not {'idle', 'interval', 'probes'} <= set(bgp['parameters']['tcp_keepalive']): + raise ConfigError('TCP keepalive incomplete - idle, keepalive and probes must be set') + # Address Family specific validation if 'address_family' in bgp: for afi, afi_config in bgp['address_family'].items(): @@ -419,7 +441,6 @@ def verify(bgp): f'{afi} administrative distance {key}!') if afi in ['ipv4_unicast', 'ipv6_unicast']: - vrf_name = bgp['vrf'] if dict_search('vrf', bgp) else 'default' # Verify if currant VRF contains rd and route-target options # and does not exist in import list in other VRFs @@ -468,32 +489,30 @@ def verify(bgp): tmp = dict_search(f'route_map.vpn.{export_import}', afi_config) if tmp: verify_route_map(tmp, bgp) + # Checks only required for L2VPN EVPN + if afi in ['l2vpn_evpn']: + if 'vni' in afi_config: + for vni, vni_config in afi_config['vni'].items(): + if 'rd' in vni_config and 'advertise_all_vni' not in afi_config: + raise ConfigError('BGP EVPN "rd" requires "advertise-all-vni" to be set!') + if 'route_target' in vni_config and 'advertise_all_vni' not in afi_config: + raise ConfigError('BGP EVPN "route-target" requires "advertise-all-vni" to be set!') + return None def generate(bgp): if not bgp or 'deleted' in bgp: return None - bgp['protocol'] = 'bgp' # required for frr/vrf.route-map.frr.j2 - bgp['frr_zebra_config'] = render_to_string('frr/vrf.route-map.frr.j2', bgp) bgp['frr_bgpd_config'] = render_to_string('frr/bgpd.frr.j2', bgp) - return None def apply(bgp): bgp_daemon = 'bgpd' - 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'(\s+)?ip protocol bgp route-map [-a-zA-Z0-9.]+', stop_pattern='(\s|!)') - if 'frr_zebra_config' in bgp: - frr_cfg.add_before(frr.default_add_before, bgp['frr_zebra_config']) - frr_cfg.commit_configuration(zebra_daemon) - # Generate empty helper string which can be ammended to FRR commands, it # will be either empty (default VRF) or contain the "vrf <name" statement vrf = '' |