From 37cf9c94331e4d8c0a81403b02d7c2bd1d82aaf5 Mon Sep 17 00:00:00 2001
From: John Lewis <github@jlewis.sh>
Date: Mon, 29 Jan 2024 15:58:10 -0600
Subject: [PATCH] added tracing

---
 engine/Cargo.lock                | 66 ++++++++++++++++++++++++++++++++
 engine/Cargo.toml                |  2 +
 engine/crates/engine/Cargo.toml  |  2 +
 engine/crates/engine/src/main.rs | 10 ++++-
 4 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/engine/Cargo.lock b/engine/Cargo.lock
index 9ddee74..4fd2835 100644
--- a/engine/Cargo.lock
+++ b/engine/Cargo.lock
@@ -165,6 +165,8 @@ dependencies = [
  "axum",
  "color-eyre",
  "tokio",
+ "tracing",
+ "tracing-subscriber",
 ]
 
 [[package]]
@@ -445,6 +447,16 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.16.0"
@@ -470,6 +482,12 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "owo-colors"
 version = "3.5.0"
@@ -791,9 +809,21 @@ checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "log",
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-attributes"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.32"
@@ -814,15 +844,29 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "tracing-log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
 dependencies = [
+ "nu-ansi-term",
  "sharded-slab",
+ "smallvec",
  "thread_local",
  "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -843,6 +887,28 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index f278d46..274afee 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -7,3 +7,5 @@ members = ["crates/*"]
 tokio = { version = "1.35.1", features = ["full"] }
 color-eyre = "0.6.2"
 axum = "0.7.4"
+tracing = "0.1.40"
+tracing-subscriber = "0.3.18"
diff --git a/engine/crates/engine/Cargo.toml b/engine/crates/engine/Cargo.toml
index 4abcf77..afd6b8e 100644
--- a/engine/crates/engine/Cargo.toml
+++ b/engine/crates/engine/Cargo.toml
@@ -9,3 +9,5 @@ edition = "2021"
 tokio.workspace = true
 color-eyre.workspace = true
 axum.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
diff --git a/engine/crates/engine/src/main.rs b/engine/crates/engine/src/main.rs
index 9f7d9dc..09a4b10 100644
--- a/engine/crates/engine/src/main.rs
+++ b/engine/crates/engine/src/main.rs
@@ -1,14 +1,22 @@
 use axum::{routing::get, Router};
 use color_eyre::eyre::Result;
+use tracing::info;
 
 #[tokio::main]
 async fn main() -> Result<()> {
   color_eyre::install()?;
+  let subscriber = tracing_subscriber::fmt().finish();
+  tracing::subscriber::set_global_default(subscriber)?;
 
   let app = Router::new().route("/", get(|| async { "Hello, World!" }));
 
   // run our app with hyper, listening globally on port 3000
-  let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await?;
+  let port = std::env::var("PORT").unwrap_or_else(|_| "3000".to_string());
+  let host = std::env::var("HOST").unwrap_or_else(|_| "0.0.0.0".to_string());
+  let address = format!("{}:{}", host, port);
+  let listener = tokio::net::TcpListener::bind(&address).await?;
+
+  info!("Listening on {}", address);
   axum::serve(listener, app).await?;
 
   Ok(())