Add InfoResponse structure (#187)

Signed-off-by: samuel orji <awesomeorji@gmail.com>

CHANGELOG.md

@@ -4,7 +4,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [Unreleased]
 
 ### Added
-
+- Added InfoResponse structure ([#187](https://github.com/opensearch-project/opensearch-rs/pull/187))
 ### Dependencies
 - Bumps `sysinfo` from 0.28.0 to 0.29.0
 - Bumps `serde_with` from ~2 to ~3

opensearch/src/lib.rs

@@ -388,6 +388,7 @@ mod readme {
 pub mod auth;
 pub mod cert;
 pub mod http;
+pub mod models;
 pub mod params;
 
 // GENERATED-BEGIN:namespace-modules

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,
+}