collab: Log HTTP requests (#8297)

Co-Authored-By: Marshall <marshall@zed.dev>



Release Notes:

- N/A

---------

Co-authored-by: Marshall <marshall@zed.dev>
Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

crates/collab/Cargo.toml

@@ -61,6 +61,7 @@ tokio-tungstenite = "0.17"
 toml.workspace = true
 tonic = "0.6"
 tower = "0.4"
+tower-http = { workspace = true, features = ["trace"] }
 tracing = "0.1.34"
 tracing-log = "0.1.3"
 tracing-subscriber = { version = "0.3.11", features = ["env-filter", "json"] }

crates/collab/src/main.rs

@@ -12,6 +12,8 @@ use std::{
     sync::Arc,
 };
 use tokio::signal::unix::SignalKind;
+use tower_http::trace::{self, TraceLayer};
+use tracing::Level;
 use tracing_log::LogTracer;
 use tracing_subscriber::{filter::EnvFilter, fmt::format::JsonFields, Layer};
 use util::ResultExt;
@@ -72,13 +74,18 @@ async fn main() -> Result<()> {
             if let Some(rpc_server) = rpc_server.clone() {
                 app = app.merge(collab::rpc::routes(rpc_server))
             }
-            app = app.merge(
-                Router::new()
-                    .route("/", get(handle_root))
-                    .route("/healthz", get(handle_liveness_probe))
-                    .merge(collab::api::events::router())
-                    .layer(Extension(state.clone())),
-            );
+            app = app
+                .merge(
+                    Router::new()
+                        .route("/", get(handle_root))
+                        .route("/healthz", get(handle_liveness_probe))
+                        .merge(collab::api::events::router())
+                        .layer(Extension(state.clone())),
+                )
+                .layer(
+                    TraceLayer::new_for_http()
+                        .on_response(trace::DefaultOnResponse::new().level(Level::INFO)),
+                );
 
             axum::Server::from_tcp(listener)?
                 .serve(app.into_make_service_with_connect_info::<SocketAddr>())