[Bugfix] Fix executor (#1327)

Author: ajanikow

pkg/util/arangod/conn/conn.executor.go

@@ -66,10 +66,6 @@ func (e executor[IN, OUT]) Execute(ctx context.Context, method string, endpoint
 
 	defer resp.Close()
 
-	if err := resp.Close(); err != nil {
-		return nil, 0, err
-	}
-
 	var out OUT
 
 	if err := json.NewDecoder(resp).Decode(&out); err != nil {

pkg/util/arangod/conn/factory.go

@@ -73,11 +73,13 @@ func (f factory) RawConnection(host string) (Connection, error) {
 			return nil, err
 		}
 
-		if auth.Type() != driver.AuthenticationTypeRaw {
-			return nil, errors.Newf("Only RAW Authentication is supported")
-		}
+		if auth != nil {
+			if auth.Type() != driver.AuthenticationTypeRaw {
+				return nil, errors.Newf("Only RAW Authentication is supported")
+			}
 
-		authString = util.NewType(auth.Get("value"))
+			authString = util.NewType(auth.Get("value"))
+		}
 	}
 
 	return connection{