From 1e8cad6ea07e793ebe60c10713e628d2bd41e2a0 Mon Sep 17 00:00:00 2001
From: Patrik Lundin <patlu@sunet.se>
Date: Fri, 11 Oct 2024 18:45:54 +0200
Subject: [PATCH] Add dummy0 interface

The netplan version we have is too old to do this so handle it manually.
---
 global/overlay/etc/puppet/modules/cdn/manifests/cache.pp  | 8 ++++++++
 .../modules/cdn/templates/cache/cdn-dummy.netdev.erb      | 3 +++
 2 files changed, 11 insertions(+)
 create mode 100644 global/overlay/etc/puppet/modules/cdn/templates/cache/cdn-dummy.netdev.erb

diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
index 3103944..6360f78 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
@@ -39,6 +39,14 @@ class cdn::cache(
     content => template('cdn/cache/varnish-slash-seccomp.json.erb'),
   }
 
+  file { '/etc/systemd/network/cdn-dummy.netdev':
+    ensure  => file,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0644',
+    content => template('cdn/cache/cdn-dummy.netdev.erb'),
+  }
+
   $sysctl_file = '/etc/sysctl.d/99-cdn-cache.conf'
   file { $sysctl_file:
     ensure  => file,
diff --git a/global/overlay/etc/puppet/modules/cdn/templates/cache/cdn-dummy.netdev.erb b/global/overlay/etc/puppet/modules/cdn/templates/cache/cdn-dummy.netdev.erb
new file mode 100644
index 0000000..d6ae53a
--- /dev/null
+++ b/global/overlay/etc/puppet/modules/cdn/templates/cache/cdn-dummy.netdev.erb
@@ -0,0 +1,3 @@
+[NetDev]
+Name=dummy0
+Kind=dummy