capture server return value

Author: alexytsu

rust/server/src/bin/protoapp-server.rs

@@ -13,10 +13,11 @@ async fn main() {
 
     match res {
         Err(e) => {
-            eprintln!("Error: {e}");
+            log::error!("server exited with error: {e}");
             std::process::exit(1);
         }
         Ok(_) => {
+            log::info!("server exited successfully");
             std::process::exit(0);
         }
     }
@@ -35,7 +36,7 @@ async fn run() -> anyhow::Result<()> {
         .map_err(|e| anyhow::anyhow!("unable to parse config file: {}", e))?;
 
     inject_secrets(&mut config)?;
-    server::run(config).await;
+    server::run(config).await?;
     Ok(())
 }
 

rust/server/src/server/mod.rs

@@ -30,7 +30,7 @@ impl AppState {
         }
     }
 }
-pub async fn run(config: ServerConfig) {
+pub async fn run(config: ServerConfig) -> Result<(), std::io::Error> {
     let db = &config.db;
 
     let db_connection_url = format!(
@@ -56,7 +56,7 @@ pub async fn run(config: ServerConfig) {
     let addr = &app_state.config.http_bind_addr;
     let server = poem::Server::new(TcpListener::bind(addr)).run(ep);
     log::info!("Listening on http://{}", addr);
-    let _ = server.await;
+    server.await
 }
 
 /**