Added attributes to identify plugin

src/main/java/transportservice/ExtensionSettings.java

@@ -5,6 +5,10 @@ public class ExtensionSettings {
     private String extensionname;
     private String hostaddress;
     private String hostport;
+    private String description;
+    private String version;
+    private String opensearchversion;
+
     // Change the location to extension.yml file of the extension
     static final String EXTENSION_DESCRIPTOR = "src/test/resources/extension.yml";
 
@@ -32,9 +36,27 @@ public void setHostport(String hostport) {
         this.hostport = hostport;
     }
 
-    @Override
-    public String toString() {
-        return "\nnodename: " + extensionname + "\nhostaddress: " + hostaddress + "\nhostPort: " + hostport + "\n";
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getVersion() {
+        return version;
     }
 
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public String getOpensearchversion() {
+        return opensearchversion;
+    }
+
+    public void setOpensearchversion(String opensearchversion) {
+        this.opensearchversion = opensearchversion;
+    }
 }

src/test/resources/extension.yml

@@ -1,3 +1,22 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# The OpenSearch Contributors require contributions made to
+# this file be licensed under the Apache-2.0 license or a
+# compatible open source license.
+#
+# Modifications Copyright OpenSearch Contributors. See
+# GitHub history for details.
+#
+
+description: 'Example Extension File'
+
+version: 'Version of plugin'
+
+opensearchversion: 'OpenSearch Version'
+
 extensionname: extension
+
 hostaddress: 127.0.0.1
+
 hostport: 4532