tracing: extract request info into tags

controller/src/main.rs

@@ -44,7 +44,16 @@ struct VersionInfo {
     method = GET,
     path = "/version",
 }]
-#[tracing::instrument()]
+#[tracing::instrument(
+  skip(rqctx),
+  fields(
+        http.method=rqctx.request.method().as_str(),
+        http.path=rqctx.request.uri().path(),
+        http.remote_ip=rqctx.request.remote_addr().ip().to_string(),
+        request_id = rqctx.request_id,
+    ),
+    err(Debug),
+)]
 async fn api_version(
     rqctx: RequestContext<Arc<()>>,
 ) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
@@ -52,6 +61,8 @@ async fn api_version(
         name: env!("CARGO_PKG_NAME").to_string(),
         version: env!("CARGO_PKG_VERSION").to_string(),
     };
+
+    tracing::info!("Someone made a request to /version");
     Ok(HttpResponseOk(ver))
 }