feat: Add new nats example

examples/nats/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "example-nats"
+edition = "2024"
+version.workspace = true
+readme.workspace = true
+license.workspace = true
+publish = false
+
+[dependencies]
+harmony = { path = "../../harmony" }
+harmony_cli = { path = "../../harmony_cli" }
+harmony_types = { path = "../../harmony_types" }
+cidr = { workspace = true }
+tokio = { workspace = true }
+harmony_macros = { path = "../../harmony_macros" }
+log = { workspace = true }
+env_logger = { workspace = true }
+url = { workspace = true }

examples/nats/src/main.rs

@@ -0,0 +1,61 @@
+use std::str::FromStr;
+
+use harmony::{
+    inventory::Inventory,
+    modules::helm::chart::{HelmChartScore, HelmRepository, NonBlankString},
+    topology::K8sAnywhereTopology,
+};
+use harmony_macros::hurl;
+use log::info;
+
+#[tokio::main]
+async fn main() {
+    // env_logger::init();
+    let values_yaml = Some(
+        r#"config:
+  cluster:
+    enabled: true
+    replicas: 3
+  jetstream:
+    enabled: true
+    fileStorage:
+      enabled: true
+      size: 10Gi
+      storageDirectory: /data/jetstream
+  leafnodes:
+    enabled: false
+    # port: 7422
+  gateway:
+    enabled: false
+    # name: my-gateway
+    # port: 7522"#
+            .to_string(),
+    );
+    let namespace = "nats";
+    let nats = HelmChartScore {
+        namespace: Some(NonBlankString::from_str(namespace).unwrap()),
+        release_name: NonBlankString::from_str("nats").unwrap(),
+        chart_name: NonBlankString::from_str("nats/nats").unwrap(),
+        chart_version: None,
+        values_overrides: None,
+        values_yaml,
+        create_namespace: true,
+        install_only: true,
+        repository: Some(HelmRepository::new(
+            "nats".to_string(),
+            hurl!("https://nats-io.github.io/k8s/helm/charts/"),
+            true,
+        )),
+    };
+
+    harmony_cli::run(
+        Inventory::autoload(),
+        K8sAnywhereTopology::from_env(),
+        vec![Box::new(nats)],
+        None,
+    )
+    .await
+    .unwrap();
+
+    info!("Enjoy! You can test your nats cluster by running : `kubectl exec -n {namespace} -it deployment/nats-box -- nats pub test hi`");
+}