- add: gRPC health check for gRPC services

auth-service/Cargo.toml

@@ -26,6 +26,7 @@ warp = "0.3.7"
 reqwest = { version = "0.12.9", features = ["json"] }
 utils = { path = "../utils" }
 uuid = "1.11.0"
+tonic-health = "0.12.3"
 
 [build-dependencies]
 tonic-build = "0.12.3"

auth-service/src/main.rs

@@ -28,21 +28,18 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Set the gRPC server address
     let addr = env::var("LISTEN_ADDR").unwrap_or_else(|_| "0.0.0.0".to_string());
     let port = env::var("AUTH_SERVICE_PORT").unwrap_or_else(|_| "50051".to_string());
-    let health_port = env::var("HEALTH_CHECK_PORT").unwrap_or_else(|_| "8081".to_string());
 
     let consul_url = env::var("CONSUL_URL").unwrap_or_else(|_| "http://127.0.0.1:8500".to_string());
     let service_name = env::var("SERVICE_NAME").unwrap_or_else(|_| "auth-service".to_string());
     let service_address = env::var("AUTH_SERVICE_ADDR").unwrap_or_else(|_| "127.0.0.1".to_string());
     let service_port = port.clone();
-    let health_check_url = format!("http://{}:{}/health", service_address, health_port);
-    let health_check_endpoint_addr = format!("{}:{}", service_address, health_port);
     let db_nodes = get_service_address(&consul_url, "database-service").await?;
     let session_nodes = get_service_address(&consul_url, "session-service").await?;
 
     // Register service with Consul
     let service_id = consul_registration::get_or_generate_service_id(env!("CARGO_PKG_NAME"));
     let version = env!("CARGO_PKG_VERSION").to_string();
-    let tags = vec![version];
+    let tags = vec![version, "grpc".to_string()];
     let meta = HashMap::new();
     consul_registration::register_service(
         &consul_url,
@@ -52,12 +49,10 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         service_port.parse().unwrap_or(50052),
         tags,
         meta,
-        &health_check_url,
+        None,
+        None,
     )
-    .await?;
-
-    // Start health-check endpoint
-    consul_registration::start_health_check(addr.as_str()).await?;
+        .await?;
 
     let db_address = db_nodes.get(0).unwrap();
     let db_url = format!(
@@ -80,11 +75,15 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         session_client,
     };
 
+    let (mut health_reporter, health_service) = tonic_health::server::health_reporter();
+    health_reporter.set_serving::<AuthServiceServer<MyAuthService>>().await;
+
     println!("Authentication Service running on {}", addr);
 
     // Start the gRPC server
     tokio::spawn(
         Server::builder()
+            .add_service(health_service)
             .add_service(AuthServiceServer::new(auth_service))
             .serve(address),
     );