fix logging, reload unbound, return when no changes

syncer.py

@@ -23,8 +23,6 @@ class WatchdogHandler(FileSystemEventHandler):
 
 
 def file_modified(args):
-    logger = logging.getLogger()
-    logger.setLevel(logging.INFO)
     response = requests.get(args.opnsense + "/api/unbound/settings/searchHostOverride", auth=(args.api_key, args.api_secret), verify=args.insecure)
 
     if response.status_code == 200:
@@ -36,6 +34,10 @@ def file_modified(args):
         to_remove = current_overrides - pihole_custom
         to_add = pihole_custom - current_overrides
 
+        if not len(to_remove) and not len(to_add):
+            logger.info('No changes.')
+            return
+
         for item_ip, item_domain in to_remove:
             item_data = current_overrides_uuid[item_domain]
             p = requests.post(args.opnsense + f"/api/unbound/settings/delHostOverride/{item_data['uuid']}", auth=(args.api_key, args.api_secret), verify=args.insecure)
@@ -65,6 +67,13 @@ def file_modified(args):
                 raise Exception(f'Failed to add item {item_domain}: {p.status_code} - {p.text}')
             else:
                 logger.info(f'Added: {item_domain}')
+
+        p_reload = requests.post(args.opnsense + "/api/unbound/service/reconfigure", auth=(args.api_key, args.api_secret), verify=args.insecure)
+        if p_reload.status_code != 200:
+            raise Exception(f'Failed to reload service: {p_reload.status_code} - {p_reload.text}')
+        else:
+            logger.info(f'Unbound reloaded.')
+
     else:
         raise Exception(f"Failed to fetch host overrides: {response.status_code} - {response.text}")
 
@@ -78,14 +87,22 @@ if __name__ == '__main__':
     parser.add_argument('--insecure', action='store_true', help="Don't verify SSL.")
     args = parser.parse_args()
 
+    logging.basicConfig()
+    logger = logging.getLogger('syncer')
+    logger.setLevel(logging.INFO)
+
+    logger.info('Running initial sync...')
+    file_modified(args)
+
     event_handler = WatchdogHandler(args)
     observer = Observer()
     observer.schedule(event_handler, path='/etc/pihole/', recursive=False)
     observer.start()
+    logger.info('Started watchdog.')
 
     try:
         while True:
-            time.sleep(1)
+            time.sleep(100)
     except KeyboardInterrupt:
         observer.stop()
     observer.join()