T6199: replace netifaces.interfaces() with common custom helpers

* Use interface_exists() outside of verify()
* Use verify_interface_exists() in verify() to drop common error message

(cherry picked from commit 4c7c168fe970b807750a05ceb66b70c0d8652535)

1 files changed, 3 insertions, 4 deletions

diff --git a/src/conf_mode/policy_local-route.py b/src/conf_mode/policy_local-route.py
index 91e4fce2c..d19b23e18 100755
--- a/src/conf_mode/policy_local-route.py
+++ b/src/conf_mode/policy_local-route.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2020-2023 VyOS maintainers and contributors
+# Copyright (C) 2020-2024 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -19,12 +19,12 @@ import os
 from itertools import product
 from sys import exit
 
-from netifaces import interfaces
 from vyos.config import Config
 from vyos.configdict import dict_merge
 from vyos.configdict import node_changed
 from vyos.configdict import leaf_node_changed
 from vyos.template import render
+from vyos.configverify import verify_interface_exists
 from vyos.utils.process import call
 from vyos import ConfigError
 from vyos import airbag
@@ -227,8 +227,7 @@ def verify(pbr):
 
                 if 'inbound_interface' in pbr_route['rule'][rule]:
                     interface = pbr_route['rule'][rule]['inbound_interface']
-                    if interface not in interfaces():
-                        raise ConfigError(f'Interface "{interface}" does not exist')
+                    verify_interface_exists(interface)
 
     return None