Fix #14590: Improve airflow plugin error message (#14839)

* Fix #14590: Improve airflow plugin error message

* Update openmetadata-service/src/main/java/org/openmetadata/service/clients/pipeline/airflow/AirflowRESTClient.java

Co-authored-by: Ayush Shah <ayush@getcollate.io>

* Update msg

* Update RichTextEditorPreviewer in AirflowMessageBanner component

---------

Co-authored-by: Ayush Shah <ayush@getcollate.io>
Co-authored-by: Pere Miquel Brull <peremiquelbrull@gmail.com>
Co-authored-by: Sachin Chaurasiya <sachinchaurasiyachotey87@gmail.com>

openmetadata-service/src/main/java/org/openmetadata/service/clients/pipeline/airflow/AirflowRESTClient.java

@@ -54,6 +54,8 @@ public class AirflowRESTClient extends PipelineServiceClient {
   private static final String TIMEOUT_KEY = "timeout";
   private static final String TRUSTSTORE_PATH_KEY = "truststorePath";
   private static final String TRUSTSTORE_PASSWORD_KEY = "truststorePassword";
+  private static final String DOCS_LINK =
+      "Follow [this guide](https://docs.open-metadata.org/deployment/ingestion/openmetadata) for further details.";
 
   protected final String username;
   protected final String password;
@@ -292,7 +294,9 @@ public PipelineServiceClientResponse getServiceStatusInternal() {
       // APIs URL not found
       if (response.statusCode() == 404) {
         return buildUnhealthyStatus(
-            "Airflow APIs not found. Please follow the installation guide.");
+            String.format(
+                "Airflow APIs not found. Please validate if the OpenMetadata Airflow plugin is installed correctly. %s",
+                DOCS_LINK));
       }
 
       return buildUnhealthyStatus(
@@ -301,12 +305,16 @@ public PipelineServiceClientResponse getServiceStatusInternal() {
               response.statusCode(), response.body()));
 
     } catch (IOException | URISyntaxException e) {
-      return buildUnhealthyStatus(
-          String.format("Failed to get REST status due to [%s].", e.getMessage()));
+      String exceptionMsg;
+      if (e.getMessage() != null) {
+        exceptionMsg = String.format("Failed to get Airflow status due to [%s].", e.getMessage());
+      } else {
+        exceptionMsg = "Failed to connect to Airflow.";
+      }
+      return buildUnhealthyStatus(String.format("%s %s", exceptionMsg, DOCS_LINK));
     } catch (InterruptedException e) {
       Thread.currentThread().interrupt();
-      return buildUnhealthyStatus(
-          String.format("Failed to get REST status due to [%s].", e.getMessage()));
+      return buildUnhealthyStatus(String.format("Failed to connect to Airflow. %s", DOCS_LINK));
     }
   }
 

openmetadata-ui/src/main/resources/ui/src/components/common/AirflowMessageBanner/AirflowMessageBanner.tsx

@@ -10,12 +10,13 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-import { Space, SpaceProps, Typography } from 'antd';
+import { Space, SpaceProps } from 'antd';
 import classNames from 'classnames';
 import { isEmpty } from 'lodash';
 import React, { FC } from 'react';
 import { ReactComponent as IconRetry } from '../../../assets/svg/ic-retry-icon.svg';
 import { useAirflowStatus } from '../../../hooks/useAirflowStatus';
+import RichTextEditorPreviewer from '../../common/RichTextEditor/RichTextEditorPreviewer';
 import './airflow-message-banner.less';
 
 const AirflowMessageBanner: FC<SpaceProps> = ({ className }) => {
@@ -32,7 +33,10 @@ const AirflowMessageBanner: FC<SpaceProps> = ({ className }) => {
       data-testid="no-airflow-placeholder"
       size={16}>
       <IconRetry className="align-middle" height={24} width={24} />
-      <Typography.Text>{reason}</Typography.Text>
+      <RichTextEditorPreviewer
+        enableSeeMoreVariant={false}
+        markdown={reason ?? ''}
+      />
     </Space>
   );
 };