add cluster version type

Signed-off-by: samuel orji <[email protected]>

opensearch/src/lib.rs

@@ -389,6 +389,7 @@ pub mod auth;
 pub mod cert;
 pub mod http;
 pub mod params;
+pub mod models;
 
 // GENERATED-BEGIN:namespace-modules
 // Generated code - do not edit until the next GENERATED-END marker

opensearch/src/models/mod.rs

@@ -0,0 +1,25 @@
+use serde::Deserialize;
+
+#[derive(Deserialize, Debug)]
+#[doc = "Cluster information"]
+pub struct InfoResponse {
+    name : String,
+    cluster_name: String,
+    cluster_uuid: String,
+    version: OpenSearchVersionInfo,
+    #[serde(rename = "tagline")]
+    tag_line: String
+}
+
+#[derive(Deserialize, Debug)]
+pub struct OpenSearchVersionInfo {
+    distribution: String,
+    number: String,
+    build_type: String,
+    build_hash: String,
+    build_date: String,
+    build_snapshot: bool,
+    lucene_version: String,
+    minimum_wire_compatibility_version: String,
+    minimum_index_compatibility_version: String
+}