T8379: PBR commit fail with traceback if non-existing VRF added

1 files changed, 6 insertions, 0 deletions

diff --git a/src/conf_mode/policy_route.py b/src/conf_mode/policy_route.py
index 17f8e6bf9..480f3ecf2 100755
--- a/src/conf_mode/policy_route.py
+++ b/src/conf_mode/policy_route.py
@@ -29,6 +29,7 @@ from vyos.utils.dict import dict_search_recursive
 from vyos.utils.process import cmd
 from vyos.utils.process import run
 from vyos.utils.network import get_vrf_tableid
+from vyos.utils.network import interface_exists
 from vyos.defaults import rt_global_table
 from vyos.defaults import rt_global_vrf
 from vyos.geoip import  geoip_refresh, geoip_update
@@ -131,6 +132,11 @@ def verify_rule(policy, name, rule_conf, ipv6, rule_id):
         if 'vrf' in rule_conf['set'] and 'table' in rule_conf['set']:
             raise ConfigError(f'{name} rule {rule_id}: Cannot set both forwarding route table and VRF')
 
+        if 'vrf' in rule_conf['set']:
+            vrf = rule_conf['set']['vrf']
+            if vrf != 'default' and not interface_exists(vrf):
+                raise ConfigError(f'{name} rule {rule_id}: VRF "{vrf}" does not exist')
+
     tcp_flags = dict_search_args(rule_conf, 'tcp', 'flags')
     if tcp_flags:
         if dict_search_args(rule_conf, 'protocol') != 'tcp':