Add a journal tracing all actor messages

Signed-off-by: Didier Wenzek <didier.wenzek@free.fr>

crates/common/tedge_config/src/system_services/log_config.rs

@@ -68,8 +68,25 @@ pub fn log_init(
                 .with_filter(filter_fn(|metadata| metadata.target() == "Audit"))
         });
 
+    // Actor traces
+    let trace_appender = RollingFileAppender::builder()
+        .rotation(Rotation::DAILY)
+        .filename_prefix("tedge.actors.log")
+        .max_log_files(2);
+    let trace_layer = trace_appender
+        .build("/var/log/tedge")
+        .ok()
+        .map(|trace_appender| {
+            tracing_subscriber::fmt::layer()
+                .with_writer(trace_appender)
+                .with_timer(tracing_subscriber::fmt::time::UtcTime::rfc_3339())
+                .with_filter(LevelFilter::DEBUG)
+                .with_filter(filter_fn(|metadata| metadata.target() == "Actors"))
+        });
+
     tracing_subscriber::registry()
         .with(audit_layer)
+        .with(trace_layer)
         .with(log_layer)
         .init();
 

crates/core/tedge_actors/Cargo.toml

@@ -17,14 +17,14 @@ test-helpers = []
 [dependencies]
 async-trait = { workspace = true }
 futures = { workspace = true }
-log = { workspace = true }
 thiserror = { workspace = true }
 tokio = { workspace = true, default_features = false, features = [
     "sync",
     "rt",
     "macros",
     "time",
 ] }
+tracing = { workspace = true }
 
 [dev-dependencies]
 tokio = { workspace = true, default_features = false, features = [

crates/core/tedge_actors/src/message_boxes.rs

@@ -93,7 +93,6 @@ use crate::RuntimeRequest;
 use async_trait::async_trait;
 use futures::channel::mpsc;
 use futures::StreamExt;
-use log::debug;
 use std::fmt::Debug;
 
 #[async_trait]
@@ -160,22 +159,22 @@ impl<Input: Debug> LoggingReceiver<Input> {
 }
 
 #[async_trait]
-impl<Input: Send + Debug> MessageReceiver<Input> for LoggingReceiver<Input> {
+impl<Input: Send + Debug + Sync> MessageReceiver<Input> for LoggingReceiver<Input> {
     async fn try_recv(&mut self) -> Result<Option<Input>, RuntimeRequest> {
         let message = self.receiver.try_recv().await;
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 
     async fn recv(&mut self) -> Option<Input> {
         let message = self.receiver.recv().await;
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 
     async fn recv_signal(&mut self) -> Option<RuntimeRequest> {
         let message = self.receiver.recv_signal().await;
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 }
@@ -208,8 +207,14 @@ impl<Output: Message> Sender<Output> for LoggingSender<Output> {
     }
 }
 
-pub fn log_message_sent<I: Debug>(target: &str, message: I) {
-    debug!(target: target, "send {message:?}");
+#[inline]
+pub fn log_message_received<I: Debug>(actor: &str, message: &I) {
+    tracing::debug!(target: "Actors", actor, recv = ?message);
+}
+
+#[inline]
+pub fn log_message_sent<I: Debug>(actor: &str, message: &I) {
+    tracing::debug!(target: "Actors", actor, send = ?message);
 }
 
 /// An unbounded receiver
@@ -251,10 +256,10 @@ impl<Input: Debug> UnboundedLoggingReceiver<Input> {
 }
 
 #[async_trait]
-impl<Input: Send + Debug> MessageReceiver<Input> for UnboundedLoggingReceiver<Input> {
+impl<Input: Send + Debug + Sync> MessageReceiver<Input> for UnboundedLoggingReceiver<Input> {
     async fn try_recv(&mut self) -> Result<Option<Input>, RuntimeRequest> {
         let message = self.next_message().await;
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 
@@ -263,13 +268,13 @@ impl<Input: Send + Debug> MessageReceiver<Input> for UnboundedLoggingReceiver<In
             Ok(Some(message)) => Some(message),
             _ => None,
         };
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 
     async fn recv_signal(&mut self) -> Option<RuntimeRequest> {
         let message = self.signal_receiver.next().await;
-        debug!(target: &self.name, "recv {:?}", message);
+        log_message_received(&self.name, &message);
         message
     }
 }

crates/core/tedge_actors/src/runtime.rs

@@ -11,14 +11,14 @@ use crate::RuntimeRequestSink;
 use futures::channel::mpsc;
 use futures::prelude::*;
 use futures::stream::FuturesUnordered;
-use log::debug;
-use log::error;
-use log::info;
 use std::collections::HashMap;
 use std::panic;
 use std::time::Duration;
 use tokio::task::JoinError;
 use tokio::task::JoinHandle;
+use tracing::debug;
+use tracing::error;
+use tracing::info;
 
 /// Actions sent by actors to the runtime
 #[derive(Debug)]
@@ -95,7 +95,7 @@ impl Runtime {
     ///       and all the running tasks have reach completion (successfully or not).
     pub async fn run_to_completion(self) -> Result<(), RuntimeError> {
         if let Err(err) = Runtime::wait_for_completion(self.bg_task).await {
-            error!("Aborted due to {err}");
+            error!(target: "Actors", "Aborted due to {err}");
             std::process::exit(1)
         }
 
@@ -138,7 +138,7 @@ impl RuntimeHandle {
 
     /// Send an action to the runtime
     async fn send(&mut self, action: RuntimeAction) -> Result<(), ChannelError> {
-        debug!(target: "Runtime", "schedule {:?}", action);
+        debug!(target: "Actors", "schedule {:?}", action);
         self.actions_sender.send(action).await?;
         Ok(())
     }
@@ -175,7 +175,7 @@ impl RuntimeActor {
     }
 
     async fn run(mut self) -> Result<(), RuntimeError> {
-        info!(target: "Runtime", "Started");
+        info!(target: "Actors", "Started");
         let mut aborting_error = None;
         let mut actors_count: usize = 0;
         loop {
@@ -186,7 +186,7 @@ impl RuntimeActor {
                             match action {
                                 RuntimeAction::Spawn(actor) => {
                                     let running_name = format!("{}-{}", actor.name(), actors_count);
-                                    info!(target: "Runtime", "Running {running_name}");
+                                    info!(target: "Actors", "Running {running_name}");
                                     self.send_event(RuntimeEvent::Started {
                                         task: running_name.clone(),
                                     })
@@ -196,22 +196,22 @@ impl RuntimeActor {
                                     actors_count += 1;
                                }
                                RuntimeAction::Shutdown => {
-                                    info!(target: "Runtime", "Shutting down");
+                                    info!(target: "Actors", "Shutting down");
                                     shutdown_actors(&mut self.running_actors).await;
                                     break;
                                }
                             }
                         }
                         None => {
-                            info!(target: "Runtime", "Runtime actions channel closed, runtime stopping");
+                            info!(target: "Actors", "Runtime actions channel closed, runtime stopping");
                             shutdown_actors(&mut self.running_actors).await;
                             break;
                         }
                     }
                 },
                 Some(finished_actor) = self.futures.next() => {
                     if let Err(error) = self.handle_actor_finishing(finished_actor).await {
-                        info!(target: "Runtime", "Shutting down on error: {error}");
+                        info!(target: "Actors", "Shutting down on error: {error}");
                         aborting_error = Some(error);
                         shutdown_actors(&mut self.running_actors).await;
                         break
@@ -222,12 +222,12 @@ impl RuntimeActor {
 
         tokio::select! {
             _ = tokio::time::sleep(self.cleanup_duration) => {
-                error!(target: "Runtime", "Timeout waiting for all actors to shutdown");
+                error!(target: "Actors", "Timeout waiting for all actors to shutdown");
                 for still_running in self.running_actors.keys() {
-                     error!(target: "Runtime", "Failed to shutdown: {still_running}")
+                     error!(target: "Actors", "Failed to shutdown: {still_running}")
                 }
             }
-            _ = self.wait_for_actors_to_finish() => info!(target: "Runtime", "All actors have finished")
+            _ = self.wait_for_actors_to_finish() => info!(target: "Actors", "All actors have finished")
         }
 
         match aborting_error {
@@ -248,18 +248,18 @@ impl RuntimeActor {
     ) -> Result<(), RuntimeError> {
         match finished_actor {
             Err(e) => {
-                error!(target: "Runtime", "Failed to execute actor: {e}");
+                error!(target: "Actors", "Failed to execute actor: {e}");
                 Err(RuntimeError::JoinError(e))
             }
             Ok(Ok(actor)) => {
                 self.running_actors.remove(&actor);
-                info!(target: "Runtime", "Actor has finished: {actor}");
+                info!(target: "Actors", "Actor has finished: {actor}");
                 self.send_event(RuntimeEvent::Stopped { task: actor }).await;
                 Ok(())
             }
             Ok(Err((actor, error))) => {
                 self.running_actors.remove(&actor);
-                error!(target: "Runtime", "Actor {actor} has finished unsuccessfully: {error:?}");
+                error!(target: "Actors", "Actor {actor} has finished unsuccessfully: {error:?}");
                 self.send_event(RuntimeEvent::Aborted {
                     task: actor.clone(),
                     error: format!("{error}"),
@@ -273,7 +273,7 @@ impl RuntimeActor {
     async fn send_event(&mut self, event: RuntimeEvent) {
         if let Some(events) = &mut self.events {
             if let Err(e) = events.send(event).await {
-                error!(target: "Runtime", "Failed to send RuntimeEvent: {e}");
+                error!(target: "Actors", "Failed to send RuntimeEvent: {e}");
             }
         }
     }
@@ -286,10 +286,10 @@ where
     for (running_as, sender) in a {
         match sender.send(RuntimeRequest::Shutdown).await {
             Ok(()) => {
-                debug!(target: "Runtime", "Successfully sent shutdown request to {running_as}")
+                debug!(target: "Actors", "Successfully sent shutdown request to {running_as}")
             }
             Err(e) => {
-                error!(target: "Runtime", "Failed to send shutdown request to {running_as}: {e:?}")
+                error!(target: "Actors", "Failed to send shutdown request to {running_as}: {e:?}")
             }
         }
     }

crates/core/tedge_actors/src/servers/message_boxes.rs

@@ -55,7 +55,7 @@ impl<Request: Message, Response: Message> ConcurrentServerMessageBox<Request, Re
                 }
                 Some(result) = self.running_request_handlers.next() => {
                     if let Err(err) = result {
-                        log::error!("Fail to run a request to completion: {err}");
+                        tracing::error!(target: "Actors", "Fail to run a request to completion: {err}");
                     }
                 }
                 else => {
@@ -73,7 +73,7 @@ impl<Request: Message, Response: Message> ConcurrentServerMessageBox<Request, Re
         tokio::select! {
             Some(result) = self.running_request_handlers.next() => {
                 if let Err(err) = result {
-                    log::error!("Fail to run a request to completion: {err}");
+                    tracing::error!(target: "Actors", "Fail to run a request to completion: {err}");
                 }
                 ControlFlow::Continue(())
             },