From 46391367806834f0f8e60f0894da6b91711d51bc Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 11 Apr 2021 18:53:11 +0200
Subject: isis: T3328: route-map to zebra/kernel can not be removed

Removing the Zebra/Linux Kernel route-map added by "set protocols isis route-map"
was not removed once applied. This was because the removal must happen within
the zebra daemon and not isisd.
---
 src/conf_mode/protocols_isis.py | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'src/conf_mode/protocols_isis.py')

diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py
index 8b75f9873..925fa9091 100755
--- a/src/conf_mode/protocols_isis.py
+++ b/src/conf_mode/protocols_isis.py
@@ -33,8 +33,6 @@ from vyos import frr
 from vyos import airbag
 airbag.enable()
 
-frr_daemon = 'isisd'
-
 def get_config(config=None):
     if config:
         conf = config
@@ -182,17 +180,26 @@ def generate(isis):
     return None
 
 def apply(isis):
+    isis_daemon = 'isisd'
+    zebra_daemon = 'zebra'
+
     # Save original configuration prior to starting any commit actions
     frr_cfg = frr.FRRConfig()
-    frr_cfg.load_configuration(frr_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
+    # 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'^ip protocol isis route-map [-a-zA-Z0-9.]+$', '')
+    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 = ''
     if 'vrf' in isis:
         vrf = ' vrf ' + isis['vrf']
 
+    frr_cfg.load_configuration(isis_daemon)
     frr_cfg.modify_section(f'^router isis VyOS{vrf}$', '')
+
     for key in ['interface', 'interface_removed']:
         if key not in isis:
             continue
@@ -200,13 +207,13 @@ def apply(isis):
             frr_cfg.modify_section(f'^interface {interface}{vrf}$', '')
 
     frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', isis['new_frr_config'])
-    frr_cfg.commit_configuration(frr_daemon)
+    frr_cfg.commit_configuration(isis_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 isis['new_frr_config'] == '':
         for a in range(5):
-            frr_cfg.commit_configuration(frr_daemon)
+            frr_cfg.commit_configuration(isis_daemon)
 
     # Save configuration to /run/frr/config/frr.conf
     frr.save_configuration()
-- 
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