bundles/vnstat: add flag to generate statistics images, add to home.router

bundles/vnstat/items.py

@@ -6,8 +6,17 @@ files = {
             'svc_systemd:vnstat:restart',
         },
     },
+    '/usr/local/bin/generate-vnstati': {
+        'mode': '0755',
+    },
 }
 
+if node.metadata['vnstat'].get('generate-web-dashboard', False):
+    files['/var/www/vnstat/index.html'] = {
+        'content_type': 'mako',
+        'context': node.metadata['vnstat'],
+    }
+
 svc_systemd = {
     'vnstat': {
         'needs': {