diff options
Diffstat (limited to 'src/conf_mode/protocols_bgp.py')
| -rwxr-xr-x | src/conf_mode/protocols_bgp.py | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 4df97d133..44409c0e3 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -31,6 +31,7 @@ from vyos.utils.dict import dict_search from vyos.utils.network import get_interface_vrf from vyos.utils.network import is_addr_assigned from vyos.utils.process import process_named_running +from vyos.utils.process import call from vyos import ConfigError from vyos import frr from vyos import airbag @@ -50,13 +51,8 @@ def get_config(config=None): # 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, - no_tag_node_value_mangle=True, - with_recursive_defaults=True, - ) + bgp = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, no_tag_node_value_mangle=True) bgp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'], key_mangling=('-', '_'), @@ -75,22 +71,29 @@ def get_config(config=None): if vrf: bgp.update({'vrf' : vrf}) # We can not delete the BGP VRF instance if there is a L3VNI configured + # FRR L3VNI must be deleted first otherwise we will see error: + # "FRR error: Please unconfigure l3vni 3000" tmp = ['vrf', 'name', vrf, 'vni'] - if conf.exists(tmp): - bgp.update({'vni' : conf.return_value(tmp)}) + if conf.exists_effective(tmp): + bgp.update({'vni' : conf.return_effective_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, - no_tag_node_value_mangle=True)}}}) + bgp['dependent_vrfs'].update({'default': {'protocols': { + 'bgp': conf.get_config_dict(base_path, key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True)}}}) + if not conf.exists(base): # If bgp instance is deleted then mark it bgp.update({'deleted' : ''}) return bgp + # We have gathered the dict representation of the CLI, but there are default + # options which we need to update into the dictionary retrived. + bgp = conf.merge_defaults(bgp, recursive=True) + # We also need some additional information from the config, prefix-lists # and route-maps for instance. They will be used in verify(). # @@ -242,10 +245,6 @@ def verify(bgp): 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. @@ -254,7 +253,11 @@ def verify(bgp): if vrf != 'default': if dict_search('protocols.bgp', vrf_options): raise ConfigError('Cannot delete default BGP instance, ' \ - 'dependent VRF instance(s) exist!') + 'dependent VRF instance(s) exist(s)!') + if 'vni' in vrf_options: + raise ConfigError('Cannot delete default BGP instance, ' \ + 'dependent L3VNI exists!') + return None if 'system_as' not in bgp: @@ -607,6 +610,13 @@ def generate(bgp): return None def apply(bgp): + if 'deleted' in bgp: + # We need to ensure that the L3VNI is deleted first. + # This is not possible with old config backend + # priority bug + if {'vrf', 'vni'} <= set(bgp): + call('vtysh -c "conf t" -c "vrf {vrf}" -c "no vni {vni}"'.format(**bgp)) + bgp_daemon = 'bgpd' # Save original configuration prior to starting any commit actions |