learn about routes

halyard · Jan 1, 2024 · fbcab69 · fbcab69
1 parent 74fb69c
commit fbcab69
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Showing 2 changed files with 14 additions and 7 deletions.
diff --git a/manifests/systemd.pp b/manifests/systemd.pp
@@ -61,13 +61,17 @@
     }
   }
 
-  $facts['networking']['interfaces'].each |String $iface, Any $value| {
-    unless $iface in $bridge_children or $iface in $bridges or $iface in $vlans or $ignore.any |$item| { $iface.match($item) } {
-      file { "/etc/systemd/network/${iface}.network":
-        ensure  => file,
-        content => template('network/interface.network.erb'),
-        notify  => Service['systemd-networkd'],
-      }
+  $real_interfaces = $facts['networking']['interfaces'].filter |String $iface, Any $value| {
+    !($iface in $bridge_children or $iface in $bridges or $iface in $vlans or $ignore.any |$item| { $iface.match($item) })
+  }
+
+  $primary_interface = sort($real_interfaces)[0]
+
+  $real_interfaces.each |String $iface, Any $value|
+    file { "/etc/systemd/network/${iface}.network":
+      ensure  => file,
+      content => template('network/interface.network.erb'),
+      notify  => Service['systemd-networkd'],
     }
   }
   service { 'systemd-networkd':

diff --git a/templates/interface.network.erb b/templates/interface.network.erb
@@ -11,3 +11,6 @@ VLAN=<%= vlan_name %>
 
 [DHCPv4]
 UseDNS=no
+<% if @iface == @primary_interface -%>
+RouteMetric=1000
+<% end -%>