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

bundles/vnstat/metadata.py

@@ -23,3 +23,23 @@ def get_default_interface(metadata):
         }
 
     return {}
+
+
+@metadata_reactor
+def nginx_dashboard(metadata):
+    if not node.has_bundle('nginx'):
+        raise DoNotRunAgain
+
+    if not metadata.get('vnstat/generate-web-dashboard', False):
+        return {}
+
+    return {
+        'cron': {
+            'vnstat_generate_web_dashboard': '*/10 * * * *    root    /usr/local/bin/generate-vnstati /var/www/vnstat',
+        },
+        'nginx': {
+            'vhosts': {
+                'vnstat': {},
+            },
+        },
+    }