ensure index if disable ingest with langflow is active

src/api/connector_router.py

@@ -2,7 +2,7 @@
 
 from starlette.requests import Request
 
-from config.settings import DISABLE_INGEST_WITH_LANGFLOW
+from config.settings import DISABLE_INGEST_WITH_LANGFLOW, clients, INDEX_NAME, INDEX_BODY
 from utils.logging_config import get_logger
 
 logger = get_logger(__name__)
@@ -38,7 +38,36 @@ class ConnectorRouter:
     
     async def initialize(self):
         """Initialize the active connector service."""
+        # Initialize OpenSearch index if using traditional OpenRAG connector service
+        if DISABLE_INGEST_WITH_LANGFLOW:
+            await self._ensure_opensearch_index()
+
         return await self.get_active_service().initialize()
+
+    async def _ensure_opensearch_index(self):
+        """Ensure OpenSearch index exists when using traditional connector service."""
+        try:
+            # Check if index already exists
+            if await clients.opensearch.indices.exists(index=INDEX_NAME):
+                logger.debug("OpenSearch index already exists", index_name=INDEX_NAME)
+                return
+
+            # Create the index with hard-coded INDEX_BODY (uses OpenAI embedding dimensions)
+            await clients.opensearch.indices.create(index=INDEX_NAME, body=INDEX_BODY)
+            logger.info(
+                "Created OpenSearch index for traditional connector service",
+                index_name=INDEX_NAME,
+                vector_dimensions=INDEX_BODY["mappings"]["properties"]["chunk_embedding"]["dimension"]
+            )
+
+        except Exception as e:
+            logger.error(
+                "Failed to initialize OpenSearch index for traditional connector service",
+                error=str(e),
+                index_name=INDEX_NAME
+            )
+            # Don't raise the exception to avoid breaking the initialization
+            # The service can still function, document operations might fail later
     
     @property
     def connection_manager(self):