logging and config sweep

wakey-agent/src/serve.rs

@@ -16,6 +16,7 @@ pub async fn serve(args: ServeArgs) -> Result<()> {
     }
 
     write_pid_file(&args.pid_file)?;
+    info!(pid_file = %args.pid_file.display(), "wrote wakey-agent pid file");
 
     let mut cfg = config::load_config(&args.config)?;
     info!(config_path = %args.config.display(), agent_id = %cfg.agent_id, "starting wakey-agent");
@@ -48,6 +49,7 @@ pub async fn serve(args: ServeArgs) -> Result<()> {
                     }
                 }
                 join = &mut worker => {
+                    warn!("agent worker task exited; shutting down daemon");
                     let _ = remove_pid_file(&args.pid_file);
                     return join.context("agent session join failed")?;
                 }
@@ -69,6 +71,7 @@ pub async fn serve(args: ServeArgs) -> Result<()> {
 
 pub fn reload_daemon(pid_file: &Path) -> Result<()> {
     let pid = read_pid(pid_file)?;
+    info!(pid, pid_file = %pid_file.display(), "sending wakey-agent reload signal");
     send_hup(pid)
 }