From 0995761cf658eb47425300c02f03c9b844d86caa Mon Sep 17 00:00:00 2001
From: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date: Tue, 14 Nov 2023 10:02:44 +0100
Subject: [PATCH] New variable networking_main_iface

---
 defaults/main.yml       |  2 ++
 templates/networking.j2 | 10 +++++-----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/defaults/main.yml b/defaults/main.yml
index b274db9..f468528 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -4,3 +4,5 @@ ssh_authorized_keys_extra: []
 
 watchdog_reboot_timer: 16
 watchdog_reset_timer: 10
+
+networking_main_iface: "eth0"
diff --git a/templates/networking.j2 b/templates/networking.j2
index bededb7..8d555b2 100644
--- a/templates/networking.j2
+++ b/templates/networking.j2
@@ -6,16 +6,16 @@ iface lo inet loopback
 {% endif %}
 
 # The main interface
-auto eth0
+auto {{ networking_main_iface }}
 {% if bridged_network is defined and bridged_network %}
 auto br0
 iface br0
-    requires eth0{% if bridged_network != "true" %} {{ bridged_network }}{% endif +%}
-    bridge-ports eth0{% if bridged_network != "true" %} {{ bridged_network }}{% endif +%}
+    requires {{ networking_main_iface }}{% if bridged_network != "true" %} {{ bridged_network }}{% endif +%}
+    bridge-ports {{ networking_main_iface }}{% if bridged_network != "true" %} {{ bridged_network }}{% endif +%}
     bridge-fd 0
     bridge-stp off
 {% else %}
-iface eth0
+iface {{ networking_main_iface }}
 {% endif %}
 {% if hw_address is defined %}
     hwaddress ether {{ hw_address }}
@@ -33,7 +33,7 @@ iface eth0
 {% if bridged_network is defined and bridged_network %}
     up echo 0 > /proc/sys/net/ipv6/conf/br0/accept_ra
 {% else %}
-    pre-up echo 0 > /proc/sys/net/ipv6/conf/eth0/accept_ra
+    pre-up echo 0 > /proc/sys/net/ipv6/conf/{{ networking_main_iface }}/accept_ra
 {% endif %}
 {% else %}
     address {{ wanted_ip6 }}/128