fixup log level handling

src/main.rs

@@ -28,12 +28,29 @@ enum Level {
     Error,
 }
 
+impl From<Level> for tracing::Level {
+    fn from(level: Level) -> Self {
+        match level {
+            Level::Debug => tracing::Level::DEBUG,
+            Level::Info => tracing::Level::INFO,
+            Level::Warn => tracing::Level::WARN,
+            Level::Error => tracing::Level::ERROR,
+        }
+    }
+}
+
+impl Level {
+    fn level(self) -> tracing::Level {
+        self.into()
+    }
+}
+
 #[derive(Parser)]
 struct Args {
     /// TOML configuration to load
     #[arg(short, long, default_value_t = String::from("config.toml"))]
     config_file: String,
-    #[arg(value_enum, default_value_t = Level::Warn)]
+    #[arg(value_enum, default_value_t = Level::Info)]
     log_level: Level,
 }
 
@@ -102,14 +119,16 @@ async fn dummy_consumer(mut chan: ChimemonTargetChannel, cancel: CancellationTok
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let args = Args::parse();
     tracing_subscriber::fmt()
-        .with_env_filter(EnvFilter::try_from_default_env().unwrap_or(EnvFilter::default()))
+        .with_env_filter(
+            EnvFilter::try_from_default_env()
+                .unwrap_or(EnvFilter::default().add_directive(args.log_level.level().into())),
+        )
         // .event_format(format::Format::default().pretty())
         .with_span_events(FmtSpan::CLOSE)
         .init();
 
-    let args = Args::parse();
-
     info!("{PROGRAM_NAME} v{VERSION} starting...");
     let fig = Figment::new()
         .merge(Config::default())