Configure logging level using RUST_LOG environment variable

Author: tompntn

Cargo.lock

@@ -36,6 +36,7 @@ thiserror = "1.0.32"
 solana-shadow = "0.2.4"
 clap = { version = "4.0.32", features = ["derive"] }
 humantime-serde = "1.1.1"
+slog-envlogger = "2.2.0"
 
 [dev-dependencies]
 tokio-util = { version = "0.7.0", features = ["full"] }

Cargo.toml

@@ -307,6 +307,7 @@ def agent(self, sync_accounts, agent_keystore, tmp_path):
         LOGGER.debug("Launching agent logging to %s", log_dir)
 
         os.environ["RUST_BACKTRACE"] = "full"
+        os.environ["RUST_LOG"] = "debug"
         with self.spawn("../target/release/agent --config agent_conf.toml", log_dir=log_dir):
             time.sleep(3)
             yield

integration-tests/tests/test_integration.py

@@ -11,7 +11,11 @@ use {
         Drain,
         Logger,
     },
-    std::path::PathBuf,
+    slog_envlogger::LogBuilder,
+    std::{
+        env,
+        path::PathBuf,
+    },
 };
 
 #[derive(Parser, Debug)]
@@ -26,12 +30,15 @@ struct Arguments {
 #[tokio::main]
 async fn main() {
     let logger = slog::Logger::root(
-        slog_async::Async::new(
-            slog_term::CompactFormat::new(slog_term::TermDecorator::new().build())
-                .build()
-                .fuse(),
+        slog_async::Async::default(
+            LogBuilder::new(
+                slog_term::CompactFormat::new(slog_term::TermDecorator::new().stdout().build())
+                    .build()
+                    .fuse(),
+            )
+            .parse(&env::var("RUST_LOG").unwrap_or("info".to_string()))
+            .build(),
         )
-        .build()
         .fuse(),
         o!(),
     );