From 4666ba16117a7443eee99ec4c3d4dfe51cc70039 Mon Sep 17 00:00:00 2001
From: Pim van Pelt <pim@ipng.nl>
Date: Thu, 24 Mar 2022 21:57:39 +0000
Subject: [PATCH] Ensure bridgedomains exist in the YAML config before trying
 to look up BVIs in them

---
 config/bridgedomain.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config/bridgedomain.py b/config/bridgedomain.py
index 2b3e169..96442b1 100644
--- a/config/bridgedomain.py
+++ b/config/bridgedomain.py
@@ -39,6 +39,8 @@ def get_by_lcp_name(yaml, lcpname):
 def get_by_bvi_name(yaml, ifname):
     """ Return the BridgeDomain by BVI interface name (bvi*), if it exists. Return None,None otherwise. """
 
+    if not 'bridgedomains' in yaml:
+        return None,None
     if not ifname.startswith("bvi"):
         return None,None
     idx = ifname[3:]