Update the multiple data source documentation [Multiple Data Source][2.13.0]

_dashboards/management/multi-data-sources.md

@@ -11,7 +11,6 @@ redirect_from:
 
 You can ingest, process, and analyze data from multiple data sources in OpenSearch Dashboards. You configure the data sources in the **Dashboards Management** > **Data sources** app, as shown in the following image.
 
-
 <img src="{{site.url}}{{site.baseurl}}/images/dashboards/data-sources-management.png" alt="Dashboards Management Data sources main screen" width="700">
 
 ## Getting started
@@ -23,11 +22,11 @@ The following tutorial guides you through configuring and using multiple data so
 To use multiple data sources, you must enable the `data_source.enabled` setting. It is disabled by default. To enable multiple data sources:
 
 1. Open your local copy of the OpenSearch Dashboards configuration file, `opensearch_dashboards.yml`. If you don't have a copy, [`opensearch_dashboards.yml`](https://github.com/opensearch-project/OpenSearch-Dashboards/blob/main/config/opensearch_dashboards.yml) is available on GitHub.
-2. Set `data_source.enabled:` to  `true` and save the YAML file.
+2. Set `data_source.enabled:` to `true` and save the YAML file.
 3. Restart the OpenSearch Dashboards container.
 4. Verify that the configuration settings were configured properly by connecting to OpenSearch Dashboards and viewing the **Dashboards Management** navigation menu. **Data sources** appears in the sidebar. You'll see a view similar to the following image.
 
-    <img src="{{site.url}}{{site.baseurl}}/images/dashboards/multidatasources.png" alt="Data sources in sidebar within Dashboards Management" width="700">
+<img src="{{site.url}}{{site.baseurl}}/images/dashboards/multidatasources.png" alt="Data sources in sidebar within Dashboards Management" width="700">
 
 ### Step 2: Create a new data source connection
 
@@ -37,7 +36,7 @@ To create a new data source connection:
 
 1. From the OpenSearch Dashboards main menu, select **Dashboards Management** > **Data sources** > **Create data source connection**.
 2. Add the required information to each field to configure **Connection Details** and **Authentication Method**. 
-   
+
     - Under **Connection Details**, enter a title and endpoint URL. For this tutorial, use the URL `http://localhost:5601/app/management/opensearch-dashboards/dataSources`. Entering a description is optional.
 
     - Under **Authentication Method**, select an authentication method from the dropdown list. Once an authentication method is selected, the applicable fields for that method appear. You can then enter the required details. The authentication method options are:
@@ -93,11 +92,13 @@ To select a data source through the Dev Tools console, follow these steps:
 6. Repeat the preceding steps for each data source you want to select.
 
 ### Upload saved objects to a dashboard from connected data sources
-To upload saved objects from connected data sources to a dashboard with multiple data sources, export them as an NDJSON file from the data source's **Saved object management** page. Then upload the file to the dashboard's **Saved object management** page. This method can make it easier to transfer saved objects between dashboards. The following 20-second video shows this feature in action.
 
+To upload saved objects from connected data sources to a dashboard with multiple data sources, export them as an NDJSON file from the data source's **Saved object management** page. Then upload the file to the dashboard's **Saved object management** page. This method can make it easier to transfer saved objects between dashboards. The following 20-second video shows this feature in action.
 
 <img src="{{site.url}}{{site.baseurl}}/images/dashboards/import_saved_objects_with_file_upload.gif" alt="Multiple data sources in Saved object management">{: .img-fluid}
 
+### Import saved objects from a connected data source
+
 Follow these steps to import saved objects from a connected data source:
 
 1. Locate your `opensearch_dashboards.yml` file and open it in your preferred text editor. 
@@ -106,6 +107,40 @@ Follow these steps to import saved objects from a connected data source:
 4. Select **Import** > **Select file** and upload the file acquired from the connected data source.
 5. Choose the appropriate **Data source** from the dropdown menu, set your **Conflict management** option, and then select the **Import** button.
 
+### Show or hide authentication methods for multiple data sources
+Introduced 2.13
+{: .label .label-purple }
+
+A feature flag in your `opensearch_dashboards.yml` file enables you to show or hide authentication methods within the `data_source` plugin. The following example setting hides the authentication method for `AWSSigV4`, and the following 10-second demo shows the feature in action. 
+
+````
+# Set enabled to false to hide the authentication method from multiple data source in OpenSearch Dashboards.
+# If this setting is commented out, then all three options will be available in OpenSearch Dashboards.
+# The default value will be considered as true.
+data_source.authTypes:
+   NoAuthentication:
+     enabled: true
+   UsernamePassword:
+     enabled: true
+   AWSSigV4:
+     enabled: false
+````
+
+<img src="{{site.url}}{{site.baseurl}}/images/dashboards/multidata-hide-show-auth.gif" alt="Multiple data sources hide and show authentication">{: .img-fluid}
+
+### Hide the local cluster option for multiple data sources
+Introduced 2.13
+{: .label .label-purple }
+
+A feature flag in your `opensearch_dashboards.yml` file enables you to hide the local cluster option within the `data_source` plugin.  This option hides the local cluster from the data source dropdown and index creation page, which is suitable for environments without a local OpenSearch cluster. The following example setting hides the local cluster, and the following 20-second demo shows the feature in action. 
+
+````
+# hide local cluster in the data source dropdown and index pattern creation page. 
+data_source.hideLocalCluster: true
+````
+
+<img src="{{site.url}}{{site.baseurl}}/images/dashboards/multidata-hide-localcluster.gif" alt="Multiple data sources hide local cluster">{: .img-fluid}
+
 ## Next steps 
 
 Once you've configured your multiple data sources, you can start exploring that data. See the following resources to learn more:
@@ -121,4 +156,4 @@ This feature has some limitations:
 
 * The multiple data sources feature is supported for index-pattern-based visualizations only.
 * The visualization types Time Series Visual Builder (TSVB), Vega and Vega-Lite, and timeline are not supported.
-* External plugins, such as Gantt chart, and non-visualization plugins, such as the developer console, are not supported.
+* External plugins, such as `gantt-chart`, and non-visualization plugins are not supported.