Merge pull request loco-rs#470 from loco-rs/logger-span

improve app logger by adding span to root app and task with details

examples/demo/tests/cmd/cli.trycmd

@@ -116,19 +116,19 @@ $ LOCO_ENV=test blo-cli db reset
 
 ```console 
 $ LOCO_ENV=teste2e blo-cli db migrate
-[[..]  INFO loco_rs::config: loading environment from selected_path="config/[..].yaml"
-[[..]  WARN loco_rs::boot: migrate:
-[[..]  INFO sea_orm_migration::migrator: Applying all pending migrations
-[[..]  INFO sea_orm_migration::migrator: No pending migrations
+[..][0m  INFO app: loco_rs::config: loading environment from selected_path="config/teste2e.yaml" environment=teste2e
+[..][0m  WARN app: loco_rs::boot: migrate: environment=teste2e
+[..][0m  INFO app: sea_orm_migration::migrator: Applying all pending migrations environment=teste2e
+[..][0m  INFO app: sea_orm_migration::migrator: No pending migrations environment=teste2e
 
 ```
 
 ```console 
 $ LOCO_ENV=teste2e blo-cli db status
-[[..]  INFO loco_rs::config: loading environment from selected_path="config/[..].yaml"
-[[..]  WARN loco_rs::boot: status:
-[[..]  INFO sea_orm_migration::migrator: Checking migration status
-[[..]  INFO sea_orm_migration::migrator: Migration 'm20220101_000001_users'... Applied
-[[..]  INFO sea_orm_migration::migrator: Migration 'm20231103_114510_notes'... Applied
+[..][0m  INFO app: loco_rs::config: loading environment from selected_path="config/teste2e.yaml" environment=teste2e
+[..][0m  WARN app: loco_rs::boot: status: environment=teste2e
+[..][0m  INFO app: sea_orm_migration::migrator: Checking migration status environment=teste2e
+[..][0m  INFO app: sea_orm_migration::migrator: Migration 'm20220101_000001_users'... Applied environment=teste2e
+[..][0m  INFO app: sea_orm_migration::migrator: Migration 'm20231103_114510_notes'... Applied environment=teste2e
 
 ```

src/boot.rs

@@ -109,6 +109,8 @@ pub async fn run_task<H: Hooks>(
     H::register_tasks(&mut tasks);
 
     if let Some(task) = task {
+        let task_span = tracing::span!(tracing::Level::DEBUG, "task", task,);
+        let _guard = task_span.enter();
         tasks.run(app_context, task, vars).await?;
     } else {
         let list = tasks.list();

src/cli.rs

@@ -283,7 +283,7 @@ pub async fn playground<H: Hooks>() -> Result<AppContext> {
 /// ```
 #[cfg(feature = "with-db")]
 pub async fn main<H: Hooks, M: MigratorTrait>() -> eyre::Result<()> {
-    let cli = Cli::parse();
+    let cli: Cli = Cli::parse();
     let environment: Environment = cli.environment.unwrap_or_else(resolve_from_env).into();
 
     let config = environment.load()?;
@@ -292,6 +292,9 @@ pub async fn main<H: Hooks, M: MigratorTrait>() -> eyre::Result<()> {
         logger::init::<H>(&config.logger);
     }
 
+    let task_span = create_root_span(&environment);
+    let _guard = task_span.enter();
+
     match cli.command {
         Commands::Start {
             worker,
@@ -371,6 +374,9 @@ pub async fn main<H: Hooks>() -> eyre::Result<()> {
         logger::init::<H>(&config.logger);
     }
 
+    let task_span = create_root_span(&environment);
+    let _guard = task_span.enter();
+
     match cli.command {
         Commands::Start {
             worker,
@@ -425,3 +431,7 @@ fn show_list_endpoints<H: Hooks>(ctx: &AppContext) {
         println!("{}", router.to_string());
     }
 }
+
+fn create_root_span(environment: &Environment) -> tracing::Span {
+    tracing::span!(tracing::Level::DEBUG, "app", environment = %environment)
+}