From 5a71c9c5083c0a30102485f09f2f55c65d988ebf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Mon, 3 Jan 2022 17:22:13 +0100
Subject: networking

---
 manifests/init.pp              | 20 +++++++++-----------
 manifests/networkd.pp          | 21 ++++++---------------
 manifests/networkd_instance.pp | 21 +++++++++++++++++++++
 templates/unit_file.epp        |  7 +++++++
 4 files changed, 43 insertions(+), 26 deletions(-)
 create mode 100644 manifests/networkd_instance.pp
 create mode 100644 templates/unit_file.epp

diff --git a/manifests/init.pp b/manifests/init.pp
index bd1fda8..7dc2450 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -1,18 +1,16 @@
 class networking (
-  String $addr4,
-  String $gw4, # TODO default this to first address in subnet
+  Optional[Enum['systemd']] $provider = undef,
+  Hash[String,Hash] $items = {},
 ) {
 
   # TODO choose a sensible provider here
 
-  networking::networkd { '20-puppet':
-    network        => {
-      'Address'      => $addr4,
-      'Gateway'      => $gw4,
-      'IPv6AcceptRA' => 1,
-    },
-    notify_          => true,
-    manage_directory => true,
+  case $provider {
+    'systemd', undef: {
+      include ::networking::networkd
+      create_resources(networking::networkd_instance, $items)
+    }
+    default: {
+    }
   }
-
 }
diff --git a/manifests/networkd.pp b/manifests/networkd.pp
index 4376a29..dec2e33 100644
--- a/manifests/networkd.pp
+++ b/manifests/networkd.pp
@@ -1,14 +1,9 @@
-define networking::networkd (
-  Hash $network,
-  Optional[Hash] $match = { 'Name' => $facts['networking']['primary'] },
-  String $root = '/',
-  String $path = "${root}/etc/systemd/network",
-  String $filename = $name,
-  String $file = "${path}/${filename}.conf",
+class networking::networkd (
   Boolean $notify_ = true,
   Boolean $manage_directory = true,
+  String $root = '/',
+  String $path = "${root}/etc/systemd/network",
 ) {
-
   if $manage_directory {
     file { $path:
       ensure  => directory,
@@ -17,16 +12,12 @@ define networking::networkd (
     }
   }
 
-  inifile::create_ini_settings({
-    'Match'   => $match,
-    'Network' => $network,
-  }, { path => $file, })
-
   if $notify_ {
-    Ini_Setting <| path == $file |> 
-    ~> exec { 'networkctl reload':
+    exec { 'reload networkd':
+      command => 'systemctl reload-or-restart systemd-networkd',
       path        => ['/bin', '/usr/bin',],
       refreshonly => true,
     }
   }
 }
+
diff --git a/manifests/networkd_instance.pp b/manifests/networkd_instance.pp
new file mode 100644
index 0000000..4089e75
--- /dev/null
+++ b/manifests/networkd_instance.pp
@@ -0,0 +1,21 @@
+define networking::networkd_instance (
+  Hash[String,Hash] $content,
+  Enum['present','absent'] $ensure = 'present',
+  String $path = $networking::networkd::path,
+  String $filename = $name,
+  Integer $priority = 20,
+  Enum['network', 'netdev', 'link'] $type = 'network',
+  String $real_filename = "${priority}-${filename}.${type}",
+  String $file = "${path}/${real_filename}",
+) {
+
+  include ::networking::networkd
+
+  file { $file:
+    ensure  => $ensure,
+    content => epp('networking/unit_file.epp', {
+      data    => $content
+    }),
+    notify => if $networking::networkd::notify_ { Exec['reload networkd'] } else { [] },
+  }
+}
diff --git a/templates/unit_file.epp b/templates/unit_file.epp
new file mode 100644
index 0000000..2cbfefb
--- /dev/null
+++ b/templates/unit_file.epp
@@ -0,0 +1,7 @@
+<%- | Hash[String,Hash] $data
+| -%>
+<%- $data.each |$key, $sub| { -%>
+[<%= $key %>]
+<%- $sub.each |$k, $v| { -%>
+<%= $k %>=<%= $v %>
+<%- }} -%>
-- 
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