Log build + feature information at startup in aptos node (aptos-labs#…

…3830)

aptos-node/src/lib.rs

@@ -3,6 +3,8 @@
 
 #![forbid(unsafe_code)]
 
+mod log_build_information;
+
 use anyhow::anyhow;
 use aptos_api::bootstrap as bootstrap_api;
 use aptos_build_info::build_information;
@@ -40,6 +42,7 @@ use executor::{chunk_executor::ChunkExecutor, db_bootstrapper::maybe_bootstrap};
 use framework::ReleaseBundle;
 use futures::channel::mpsc;
 use hex::FromHex;
+use log_build_information::log_build_information;
 use mempool_notifications::MempoolNotificationSender;
 use network::application::storage::PeerMetadataStorage;
 use network_builder::builder::NetworkBuilder;
@@ -197,6 +200,9 @@ pub fn start(config: NodeConfig, log_file: Option<PathBuf>) -> anyhow::Result<()
     }
     let _logger = logger.build();
 
+    // Print out build information.
+    log_build_information();
+
     // Let's now log some important information, since the logger is set up
     info!(config = config, "Loaded AptosNode config");
 

aptos-node/src/log_build_information.rs

@@ -0,0 +1,28 @@
+// Copyright (c) Aptos
+// SPDX-License-Identifier: Apache-2.0
+
+use aptos_build_info::build_information;
+use aptos_logger::info;
+
+macro_rules! log_feature_info {
+    ($($feature:literal),*) => {
+        $(
+        if cfg!(feature = $feature) {
+            info!("Running with {} feature enabled", $feature);
+        } else {
+            info!("Running with {} feature disabled", $feature);
+        }
+        )*
+    }
+}
+
+// Naturally this should only be called after a logger has been set up.
+pub fn log_build_information() {
+    info!("Build information:");
+    let build_info = build_information!();
+    for (key, value) in build_info {
+        info!("{}: {}", key, value);
+    }
+    info!("Feature information:");
+    log_feature_info!("failpoints", "assert-private-keys-not-cloneable");
+}