do not retry on region not found

server/src/router/sync.rs

@@ -1,14 +1,14 @@
 use crate::{CONFIG, SESSION_STORE};
-use assets_updater::core::asset_execution::{
-    should_download_bundle, AssetExecutionContext,
-};
+use assets_updater::core::asset_execution::{AssetExecutionContext, should_download_bundle};
+use assets_updater::core::errors::RegionError;
 use assets_updater::core::regions::select_region;
 use bytes::Bytes;
 use common::http::SyncResponse;
+use common::strings::REGION_NOT_FOUND;
 use common::updater::SyncContext;
 use communicator::http::{json_from_request, send, send_error};
-use h2::server::SendResponse;
 use h2::RecvStream;
+use h2::server::SendResponse;
 use http::Request;
 
 pub async fn sync_route(
@@ -24,6 +24,15 @@ pub async fn sync_route(
 
     let region = select_region(&CONFIG.updater_config, &sync_context.region);
     if let Err(error) = region {
+        if let RegionError::NotFound(_) = &error {
+            send(
+                send_response,
+                500,
+                "text/plain",
+                format!("{}: {}", REGION_NOT_FOUND, error),
+            );
+            return Ok(());
+        }
         send_error(send_response, error.into());
         return Ok(());
     }
@@ -52,4 +61,3 @@ pub async fn sync_route(
 
     Ok(())
 }
-