Instrument tokio console

validator-api/Cargo.toml

@@ -55,6 +55,9 @@ validator-client = { path="../common/client-libs/validator-client", features = [
 version-checker = { path="../common/version-checker" }
 coconut-interface = { path = "../common/coconut-interface", optional = true }
 credentials = { path = "../common/credentials", optional = true }
+# validator-api needs to be built with RUSTFLAGS="--cfg tokio_unstable"
+console-subscriber = { version = "0.1.1", optional = true}
+cfg-if = "1.0"
 
 [features]
 coconut = ["coconut-interface", "credentials", "gateway-client/coconut"]

validator-api/src/main.rs

@@ -570,6 +570,11 @@ async fn run_validator_api(matches: ArgMatches<'static>) -> Result<()> {
 async fn main() -> Result<()> {
     println!("Starting validator api...");
 
+    cfg_if::cfg_if! {if #[cfg(feature = "console-subscriber")] {
+        // instriment tokio console subscriber needs RUSTFLAGS="--cfg tokio_unstable" at build time
+        console_subscriber::init();
+    }}
+
     setup_logging();
     let args = parse_args();
     run_validator_api(args).await