OLS-1980: Add autodiscovery for indexID value

Author: syedriko

api/v1alpha1/olsconfig_types.go

@@ -139,8 +139,8 @@ type RAGSpec struct {
 	// +kubebuilder:default:="/rag/vector_db"
 	// +operator-sdk:csv:customresourcedefinitions:type=spec,displayName="Index Path in the Image"
 	IndexPath string `json:"indexPath,omitempty"`
-	// The Index ID of the RAG database
-	// +kubebuilder:default:="vector_db_index"
+	// The Index ID of the RAG database. Only needed if there are multiple indices in the database.
+	// +kubebuilder:default:=""
 	// +operator-sdk:csv:customresourcedefinitions:type=spec,displayName="Index ID"
 	IndexID string `json:"indexID,omitempty"`
 	// The URL of the container image to use as a RAG source

config/crd/bases/ols.openshift.io_olsconfigs.yaml

@@ -1027,8 +1027,9 @@ spec:
                             RAG source
                           type: string
                         indexID:
-                          default: vector_db_index
-                          description: The Index ID of the RAG database
+                          default: ""
+                          description: The Index ID of the RAG database. Only needed
+                            if there are multiple indices in the database.
                           type: string
                         indexPath:
                           default: /rag/vector_db

docs/olsconfig-ols-openshift-io-v1alpha1.adoc

@@ -1755,7 +1755,7 @@ Required::
 
 | `indexID`
 | `string`
-| The Index ID of the RAG database
+| The Index ID of the RAG database. Only needed if there are multiple indices in the database.
 
 | `indexPath`
 | `string`