From 312cd8d4b3b8a38ff8e7344ad74f496a8e4ad94b Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Fri, 16 Aug 2024 11:44:34 +0200
Subject: [PATCH] alpine: rename network interfaces

Mostly relevant for VMs, to match the names with proxmox.
---
 roles/alpine/tasks/main.yml      | 16 ++++++++++++++++
 roles/alpine/templates/mactab.j2 |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 roles/alpine/templates/mactab.j2

diff --git a/roles/alpine/tasks/main.yml b/roles/alpine/tasks/main.yml
index f91e21f..c480d70 100644
--- a/roles/alpine/tasks/main.yml
+++ b/roles/alpine/tasks/main.yml
@@ -1,3 +1,19 @@
+- name: Tell ifupdown to rename network interfaces
+  copy:
+    dest: /etc/network/if-pre-up.d/nameif
+    content: |
+      #!/bin/sh
+      nameif -s
+    mode: 0755
+  notify: restart networking
+
+- name: Configure interface names
+  template:
+    dest: /etc/mactab
+    src: mactab.j2
+    mode: 0644
+  notify: restart networking
+
 - name: Set up network interfaces
   template:
     dest: /etc/network/interfaces
diff --git a/roles/alpine/templates/mactab.j2 b/roles/alpine/templates/mactab.j2
new file mode 100644
index 0000000..0787536
--- /dev/null
+++ b/roles/alpine/templates/mactab.j2
@@ -0,0 +1,3 @@
+{% for iface in interfaces | selectattr('mac_address') %}
+{{ iface.name }} {{ iface.mac_address | lower }}
+{% endfor %}