Validation succeed as long as status code in response is 200

CHANGELOG.md

@@ -111,6 +111,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [BUG][Multiple Datasource]Fix bug in data source aggregated view to change it to depend on displayAllCompatibleDataSources property to show the badge value ([#6291](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6291))
 - [BUG][Multiple Datasource]Read hideLocalCluster setting from yml and set in data source selector and data source menu ([#6361](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6361))
 - [BUG] Fix for checkForFunctionProperty so that order does not matter ([#6248](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6248))
+- [BUG][Multiple Datasource] Validation succeed as long as status code in response is 200 ([#6399](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6399))
 
 ### 🚞 Infrastructure
 

src/plugins/data_source/server/routes/data_source_connection_validator.test.ts

@@ -165,24 +165,20 @@ describe('DataSourceManagement: data_source_connection_validator.ts', () => {
       expect(validateDataSourcesResponse.statusCode).toBe(200);
     });
 
-    test('failure: opensearch client response code is 200 and response body is empty', async () => {
-      try {
-        const opensearchClient = opensearchServiceMock.createOpenSearchClient();
-        opensearchClient.cat.indices.mockResolvedValue(opensearchServiceMock.createApiResponse());
-        const dataSourceValidator = new DataSourceConnectionValidator(opensearchClient, {
-          auth: {
-            statusCode: 200,
-            body: '',
-            credentials: {
-              service: SigV4ServiceName.OpenSearchServerless,
-            },
+    test('Success: opensearch client response code is 200 and response body is empty', async () => {
+      const opensearchClient = opensearchServiceMock.createOpenSearchClient();
+      opensearchClient.cat.indices.mockResolvedValue(opensearchServiceMock.createApiResponse());
+      const dataSourceValidator = new DataSourceConnectionValidator(opensearchClient, {
+        auth: {
+          statusCode: 200,
+          body: '',
+          credentials: {
+            service: SigV4ServiceName.OpenSearchServerless,
           },
-        });
-        const validateDataSourcesResponse = await dataSourceValidator.validate();
-        expect(validateDataSourcesResponse.statusCode).toBe(200);
-      } catch (e) {
-        expect(e).toBeTruthy();
-      }
+        },
+      });
+      const validateDataSourcesResponse = await dataSourceValidator.validate();
+      expect(validateDataSourcesResponse.statusCode).toBe(200);
     });
 
     test('failure: opensearch client response code is other than 200', async () => {

src/plugins/data_source/server/routes/data_source_connection_validator.ts

@@ -20,7 +20,7 @@ export class DataSourceConnectionValidator {
         this.dataSourceAttr.auth?.credentials?.service === SigV4ServiceName.OpenSearchServerless
       ) {
         validationResponse = await this.callDataCluster.cat.indices();
-        if (validationResponse?.statusCode === 200 && validationResponse?.body) {
+        if (validationResponse?.statusCode === 200) {
           return validationResponse;
         }
       } else {