Fixed exception when datasource is updated with existing configuration (

#2006) (#2008)

(cherry picked from commit b3fd4c4)

Signed-off-by: Vamsi Manohar <reddyvam@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

datasources/src/main/java/org/opensearch/sql/datasources/storage/OpenSearchDataSourceMetadataStorage.java

@@ -151,7 +151,8 @@ public void updateDataSourceMetadata(DataSourceMetadata dataSourceMetadata) {
       throw new RuntimeException(e);
     }
 
-    if (updateResponse.getResult().equals(DocWriteResponse.Result.UPDATED)) {
+    if (updateResponse.getResult().equals(DocWriteResponse.Result.UPDATED)
+        || updateResponse.getResult().equals(DocWriteResponse.Result.NOOP)) {
       LOG.debug("DatasourceMetadata : {}  successfully updated", dataSourceMetadata.getName());
     } else {
       throw new RuntimeException("Saving dataSource metadata information failed with result : "

datasources/src/test/java/org/opensearch/sql/datasources/storage/OpenSearchDataSourceMetadataStorageTest.java

@@ -473,6 +473,24 @@ public void testUpdateDataSourceMetadata() {
 
   }
 
+  @Test
+  public void testUpdateDataSourceMetadataWithNOOP() {
+    Mockito.when(encryptor.encrypt("secret_key")).thenReturn("secret_key");
+    Mockito.when(encryptor.encrypt("access_key")).thenReturn("access_key");
+    Mockito.when(client.update(ArgumentMatchers.any())).thenReturn(updateResponseActionFuture);
+    Mockito.when(updateResponseActionFuture.actionGet()).thenReturn(updateResponse);
+    Mockito.when(updateResponse.getResult()).thenReturn(DocWriteResponse.Result.NOOP);
+    DataSourceMetadata dataSourceMetadata = getDataSourceMetadata();
+
+    this.openSearchDataSourceMetadataStorage.updateDataSourceMetadata(dataSourceMetadata);
+
+    Mockito.verify(encryptor, Mockito.times(1)).encrypt("secret_key");
+    Mockito.verify(encryptor, Mockito.times(1)).encrypt("access_key");
+    Mockito.verify(client.admin().indices(), Mockito.times(0)).create(ArgumentMatchers.any());
+    Mockito.verify(client, Mockito.times(1)).update(ArgumentMatchers.any());
+    Mockito.verify(client.threadPool().getThreadContext(), Mockito.times(1)).stashContext();
+  }
+
   @Test
   public void testUpdateDataSourceMetadataWithNotFoundResult() {
     Mockito.when(encryptor.encrypt("secret_key")).thenReturn("secret_key");