Add --secondary arg

README.md

@@ -216,6 +216,7 @@ Arguments passed to the process or set via environment variables are split into
 | --api-keys-remote          | Use this remote endpoint to query for valid API keys instead of using the local database                                                                                                                    | `Empty (use local db instead)`        | LT_API_KEYS_REMOTE          |
 | --get-api-key-link         | Show a link in the UI where to direct users to get an API key                                                                                                                                               | `Empty (no link shown on web ui)`     | LT_GET_API_KEY_LINK         |
 | --shared-storage           | Shared storage URI to use for multi-process data sharing (e.g. when using gunicorn)                                                                                                                         | `memory://`                           | LT_SHARED_STORAGE           |
+| --secondary                | Mark this instance as a secondary instance to avoid conflicts with the primary node in multi-node setups                                                                                                    | `Primary node`                        | LT_SECONDARY                |
 | --load-only                | Set available languages                                                                                                                                                                                     | `Empty (use all from argostranslate)` | LT_LOAD_ONLY                |
 | --threads                  | Set number of threads                                                                                                                                                                                       | `4`                                   | LT_THREADS                  |
 | --metrics-auth-token       | Protect the /metrics endpoint by allowing only clients that have a valid Authorization Bearer token                                                                                                         | `Empty (no auth required)`            | LT_METRICS_AUTH_TOKEN       |

libretranslate/default_values.py

@@ -156,6 +156,11 @@ _default_options_objects = [
         'default_value': 'memory://',
         'value_type': 'str'
     },
+    {
+        'name': 'SECONDARY',
+        'default_value': False,
+        'value_type': 'bool'
+    },
     {
         'name': 'LOAD_ONLY',
         'default_value': None,

libretranslate/main.py

@@ -154,6 +154,12 @@ def get_args():
         metavar="<Storage URI>",
         help="Shared storage URI to use for multi-process data sharing (e.g. via gunicorn)",
     )
+    parser.add_argument(
+        "--secondary",
+        default=DEFARGS['SECONDARY'],
+        action="store_true",
+        help="Mark this instance as a secondary instance to avoid conflicts with the primary node in multi-node setups",
+    )
     parser.add_argument(
         "--load-only",
         type=operator.methodcaller("split", ","),

libretranslate/scheduler.py

@@ -13,10 +13,10 @@ def setup(args):
     if scheduler is None:
         scheduler = BackgroundScheduler()
 
-        if args.req_flood_threshold > 0:
+        if not args.secondary and args.req_flood_threshold > 0:
             scheduler.add_job(func=forgive_banned, trigger="interval", minutes=10)
 
-        if args.api_keys and args.require_api_key_secret:
+        if not args.secondary and args.api_keys and args.require_api_key_secret:
             scheduler.add_job(func=rotate_secrets, trigger="interval", minutes=30)
 
         scheduler.start()