bundles/wireguard: re-add reconnect script for added resiliency

bundles/wireguard/files/pppd-ip-up

@@ -4,9 +4,7 @@
 # it gets connected. Easiest way is to simply send some pings to the
 # other side.
 
-% for peer, config in node.metadata.get('wireguard/peers', {}).items():
-%   for ip in sorted(config['ips']):
-# refresh connection to ${peer} ${ip}
-/usr/bin/ping -c 4 ${ip.split('/')[0] if '/' in ip else ip}
-%   endfor
+% for peer, config in sorted(node.metadata.get('wireguard/peers', {}).items()):
+# refresh connection to ${peer}
+/usr/bin/ping -c 4 ${config['their_ip']}
 % endfor

bundles/wireguard/items.py

@@ -28,3 +28,10 @@ for number, (peer, config) in enumerate(sorted(node.metadata.get('wireguard/peer
             'svc_systemd:systemd-networkd:restart',
         },
     }
+
+if node.has_bundle('pppd'):
+    files['/etc/ppp/ip-up.d/reconnect-wireguard'] = {
+        'source': 'pppd-ip-up',
+        'content_type': 'mako',
+        'mode': '0755',
+    }