diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/protocols_isis.py | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py index 120fc68a0..3a0c40dc6 100755 --- a/src/conf_mode/protocols_isis.py +++ b/src/conf_mode/protocols_isis.py @@ -56,10 +56,10 @@ def get_config(config=None): # instead of the VRF instance. if vrf: isis['vrf'] = vrf - # As we no re-use this Python handler for both VRF and non VRF instances for - # IS-IS 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. + # FRR has VRF support for different routing daemons. As interfaces belong + # to VRFs - or the global VRF, we need to check for changed interfaces so + # that they will be properly rendered for the FRR config. Also this eases + # removal of interfaces from the running configuration. interfaces_removed = node_changed(conf, base + ['interface']) if interfaces_removed: isis['interface_removed'] = list(interfaces_removed) @@ -196,8 +196,6 @@ def verify(isis): def generate(isis): if not isis or 'deleted' in isis: - isis['frr_isisd_config'] = '' - isis['frr_zebra_config'] = '' return None isis['protocol'] = 'isis' # required for frr/vrf.route-map.frr.tmpl @@ -214,8 +212,9 @@ def apply(isis): # 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 isis route-map [-a-zA-Z0-9.]+$', '', '(\s|!)') - frr_cfg.add_before(frr.default_add_before, isis['frr_zebra_config']) + frr_cfg.modify_section('(\s+)?ip protocol isis route-map [-a-zA-Z0-9.]+', stop_pattern='(\s|!)') + if 'frr_zebra_config' in isis: + frr_cfg.add_before(frr.default_add_before, isis['frr_zebra_config']) frr_cfg.commit_configuration(zebra_daemon) # Generate empty helper string which can be ammended to FRR commands, it @@ -225,15 +224,16 @@ def apply(isis): vrf = ' vrf ' + isis['vrf'] frr_cfg.load_configuration(isis_daemon) - frr_cfg.modify_section(f'^router isis VyOS{vrf}$', '') + frr_cfg.modify_section(f'^router isis VyOS{vrf}', stop_pattern='^exit', remove_stop_mark=True) for key in ['interface', 'interface_removed']: if key not in isis: continue for interface in isis[key]: - frr_cfg.modify_section(f'^interface {interface}{vrf}$', '') + frr_cfg.modify_section(f'^interface {interface}{vrf}', stop_pattern='^exit', remove_stop_mark=True) - frr_cfg.add_before(frr.default_add_before, isis['frr_isisd_config']) + if 'frr_isisd_config' in isis: + frr_cfg.add_before(frr.default_add_before, isis['frr_isisd_config']) frr_cfg.commit_configuration(isis_daemon) # Save configuration to /run/frr/config/frr.conf |