diff options
Diffstat (limited to 'src/conf_mode/vrf_vni.py')
| -rw-r--r-- | src/conf_mode/vrf_vni.py | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/src/conf_mode/vrf_vni.py b/src/conf_mode/vrf_vni.py index 87d7798b8..a7424b517 100644 --- a/src/conf_mode/vrf_vni.py +++ b/src/conf_mode/vrf_vni.py @@ -19,6 +19,7 @@ from sys import exit from vyos.config import Config from vyos.template import render_to_string +from vyos.util import dict_search from vyos import ConfigError from vyos import frr from vyos import airbag @@ -36,11 +37,19 @@ def get_config(config=None): else: return None - base = ['vrf', 'name', vrf_name] - tmp = conf.get_config_dict(base, key_mangling=('-', '_'), - no_tag_node_value_mangle=True, get_first_key=True) + # Using duplicate L3VNIs makes no sense - it's also forbidden in FRR, + # thus VyOS CLI must deny this, too. Instead of getting only the dict for + # the requested VRF and den comparing it with depenent VRfs to not have any + # duplicate we will just grad ALL VRFs by default but only render/apply + # the configuration for the requested VRF - that makes the code easier and + # hopefully less error prone + vrf = conf.get_config_dict(['vrf'], key_mangling=('-', '_'), + no_tag_node_value_mangle=True, + get_first_key=True) + + # Store name of VRF we are interested in for FRR config rendering + vrf.update({'only_vrf' : vrf_name}) - vrf = {'name': {vrf_name: tmp}} return vrf def verify(vrf): @@ -50,6 +59,15 @@ def verify(vrf): if len(argv) < 2: raise ConfigError('VRF parameter not specified when valling vrf_vni.py') + if 'name' in vrf: + vni_ids = [] + for name, vrf_config in vrf['name'].items(): + # VRF VNI (Virtual Network Identifier) must be unique on the system + if 'vni' in vrf_config: + if vrf_config['vni'] in vni_ids: + raise ConfigError(f'VRF "{name}" VNI is not unique!') + vni_ids.append(vrf_config['vni']) + return None def generate(vrf): @@ -67,7 +85,7 @@ def apply(vrf): frr_cfg.load_configuration(frr_daemon) # There is only one VRF inside the dict as we read only one in get_config() if vrf and 'name' in vrf: - vrf_name = next(iter(vrf['name'])) + vrf_name = vrf['only_vrf'] frr_cfg.modify_section(f'^vrf {vrf_name}', stop_pattern='^exit-vrf', remove_stop_mark=True) if vrf and 'new_frr_config' in vrf: frr_cfg.add_before(frr.default_add_before, vrf['new_frr_config']) |