network: Enable iwd debug for status widget

manifests/base/network.pp

@@ -38,10 +38,33 @@ class nest::base::network {
       show_diff => false,
       source    => 'puppet:///modules/nest/private/iwd',
     }
-    ->
+    ->  # iwd monitors state directory changes
     service { 'iwd':
       enable => true,
     }
+
+    $iwd_debug_override = @(IWD_DEBUG)
+      [Service]
+      ExecStart=
+      ExecStart=/usr/libexec/iwd --debug
+      | IWD_DEBUG
+
+    file {
+      default:
+        mode  => '0644',
+        owner => 'root',
+        group => 'root',
+      ;
+
+      '/etc/systemd/system/iwd.service.d':
+        ensure => directory,
+      ;
+
+      '/etc/systemd/system/iwd.service.d/10-debug.conf':
+        content => $iwd_debug_override,
+        notify  => Service['iwd']
+      ;
+    }
   } else {
     service { 'iwd':
       ensure => stopped,
@@ -52,7 +75,10 @@ class nest::base::network {
       ensure => absent,
     }
     ->
-    file { '/var/lib/iwd':
+    file { [
+      '/etc/systemd/system/iwd.service.d',
+      '/var/lib/iwd',
+    ]:
       ensure => absent,
       force  => true,
     }