From 0ed4973894ceee0884e0d9d1af527900c3aed7f9 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Mon, 24 Mar 2025 18:13:55 +0100
Subject: [PATCH] access: get mgmt gateway from custom field on prefix

Mainly so we can drop the gateway custom field from NetBox interfaces.
---
 roles/access/templates/config-d-link.j2 | 6 ++++--
 roles/access/templates/config-fs.j2     | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/roles/access/templates/config-d-link.j2 b/roles/access/templates/config-d-link.j2
index 3250be7..e0b356f 100644
--- a/roles/access/templates/config-d-link.j2
+++ b/roles/access/templates/config-d-link.j2
@@ -68,8 +68,10 @@ interface {{ iface.name }}
 {# store management address and gateway for later #}
 {%- if iface.mgmt_only and iface.ip_addresses %}
 {% set mgmt.ip = iface.ip_addresses[0].address %}
-{% if iface.custom_fields.gateway %}
-{% set mgmt.gw = iface.custom_fields.gateway.address %}
+{% set subnet = mgmt.ip | ipaddr('subnet') %}
+{% set prefix = prefixes | selectattr('prefix', '==', subnet) | first %}
+{% if prefix.custom_fields.gateway %}
+{% set mgmt.gw = prefix.custom_fields.gateway.address %}
 {% endif %}
 {% endif %}
 
diff --git a/roles/access/templates/config-fs.j2 b/roles/access/templates/config-fs.j2
index d21bfe2..6715715 100644
--- a/roles/access/templates/config-fs.j2
+++ b/roles/access/templates/config-fs.j2
@@ -18,8 +18,10 @@ interface {{ iface.name }}
 {% if iface.ip_addresses %}
 {% set address = iface.ip_addresses | map(attribute='address') | first %}
  ip address {{ address | ipaddr('address') }} {{ address | ipaddr('netmask') }}
-{% if iface.custom_fields.gateway %}
- gateway {{ iface.custom_fields.gateway.address | ipaddr('address') }}
+{% set subnet = address | ipaddr('subnet') %}
+{% set prefix = prefixes | selectattr('prefix', '==', subnet) | first %}
+{% if prefix.custom_fields.gateway %}
+ gateway {{ prefix.custom_fields.gateway.address | ipaddr('address') }}
 {%- endif %}
 {%- endif %}