Adding tokio-console support for debugging tokio tasks

This isn't always that useful and I'm not sure what performance impact
it has so I'm going to keep this in a branch in case I need it in the
future.

.cargo/config.toml

@@ -0,0 +1,3 @@
+[build]
+# needed so that tokio-console has the necessary data
+rustflags = ["--cfg", "tokio_unstable"]

Cargo.lock

@@ -156,6 +156,28 @@ dependencies = [
  "password-hash",
 ]
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.61",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.80"
@@ -182,6 +204,34 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core 0.3.4",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "hyper 0.14.28",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper 0.1.2",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum"
 version = "0.7.5"
@@ -189,7 +239,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a6c9af12842a67734c9a2e355436e5d03b22383ed60cf13cd0c18fbfe3dcbcf"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.4.3",
  "bytes",
  "futures-util",
  "http 1.1.0",
@@ -223,11 +273,28 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72188bed20deb981f3a4a9fe674e5980fd9e9c2bd880baa94715ad5d60d64c67"
 dependencies = [
- "axum",
+ "axum 0.7.5",
  "forwarded-header-value",
  "serde",
 ]
 
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum-core"
 version = "0.4.3"
@@ -255,8 +322,8 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0be6ea09c9b96cb5076af0de2e383bd2bc0c18f827cf1967bdd353e0b910d733"
 dependencies = [
- "axum",
+ "axum 0.7.5",
- "axum-core",
+ "axum-core 0.4.3",
  "bytes",
  "futures-util",
  "headers",
@@ -279,7 +346,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0fbc0d7bd2577dda9aa9cac096e53b30342725d8eea5798169ff2537a214f45"
 dependencies = [
  "async-trait",
- "axum",
+ "axum 0.7.5",
  "form_urlencoded",
  "serde",
  "subtle",
@@ -469,6 +536,43 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b6a852b24ab71dffc585bcb46eaf7959d175cb865a7152e35b348d1b2960422"
 
+[[package]]
+name = "console-api"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd326812b3fd01da5bb1af7d340d0d555fd3d4b641e7f1dfcf5962a902952787"
+dependencies = [
+ "futures-core",
+ "prost",
+ "prost-types",
+ "tonic",
+ "tracing-core",
+]
+
+[[package]]
+name = "console-subscriber"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7481d4c57092cd1c19dd541b92bdce883de840df30aa5d03fd48a3935c01842e"
+dependencies = [
+ "console-api",
+ "crossbeam-channel",
+ "crossbeam-utils",
+ "futures-task",
+ "hdrhistogram",
+ "humantime",
+ "prost-types",
+ "serde",
+ "serde_json",
+ "thread_local",
+ "tokio",
+ "tokio-stream",
+ "tonic",
+ "tracing",
+ "tracing-core",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "const-oid"
 version = "0.9.6"
@@ -533,7 +637,7 @@ dependencies = [
  "ansi-to-html",
  "anyhow",
  "async-trait",
- "axum",
+ "axum 0.7.5",
  "axum-client-ip",
  "axum-extra",
  "axum-login",
@@ -541,6 +645,7 @@ dependencies = [
  "bytes",
  "chrono",
  "clap",
+ "console-subscriber",
  "dotenvy",
  "feed-rs",
  "futures",
@@ -596,6 +701,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "338089f42c427b86394a5ee60ff321da23a5c89c9d89514c829687b26359fcff"
 
+[[package]]
+name = "crc32fast"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3855a8a784b474f333699ef2bbca9db2c4a1f6d9088a90a2d25b1eb53111eaa"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.12"
@@ -812,6 +926,16 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 
+[[package]]
+name = "flate2"
+version = "1.0.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f54427cfd1c7829e2a139fcefea601bf088ebca651d2bf53ebc600eac295dae"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "float-cmp"
 version = "0.9.0"
@@ -1134,6 +1258,19 @@ dependencies = [
  "hashbrown 0.14.5",
 ]
 
+[[package]]
+name = "hdrhistogram"
+version = "7.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "765c9198f173dd59ce26ff9f95ef0aafd0a0fe01fb9d72841bc5066a4c06511d"
+dependencies = [
+ "base64 0.21.7",
+ "byteorder",
+ "flate2",
+ "nom",
+ "num-traits",
+]
+
 [[package]]
 name = "headers"
 version = "0.4.0"
@@ -1325,6 +1462,12 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
+[[package]]
+name = "humantime"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
+
 [[package]]
 name = "hyper"
 version = "0.14.28"
@@ -1370,6 +1513,18 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper 0.14.28",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
+]
+
 [[package]]
 name = "hyper-tls"
 version = "0.5.0"
@@ -1723,7 +1878,7 @@ name = "maud"
 version = "0.25.0"
 source = "git+https://github.com/vidhanio/maud?branch=patch-1#fb77d399d001a345f3a369eb2c7a12da243376a6"
 dependencies = [
- "axum-core",
+ "axum-core 0.4.3",
  "http 1.1.0",
  "itoa",
  "maud_macros",
@@ -2277,6 +2432,38 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0f5d036824e4761737860779c906171497f6d55681139d8312388f8fe398922"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9554e3ab233f0a932403704f1a1d08c30d5ccd931adfdfa1e8b5a19b52c1d55a"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.61",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3235c33eb02c1f1e212abdbe34c78b264b038fb58ca612664343271e36e55ffe"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "psm"
 version = "0.1.21"
@@ -3312,9 +3499,20 @@ dependencies = [
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
+ "tracing",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.2.0"
@@ -3361,6 +3559,33 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d560933a0de61cf715926b9cac824d4c883c2c43142f787595e48280c40a1d0e"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum 0.6.20",
+ "base64 0.21.7",
+ "bytes",
+ "h2 0.3.26",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "hyper 0.14.28",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "tokio",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -3369,9 +3594,13 @@ checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.3",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -3384,7 +3613,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fd0118512cf0b3768f7fcccf0bef1ae41d68f2b45edc1e77432b36c97c56c6d"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.4.3",
  "cookie",
  "futures-util",
  "http 1.1.0",
@@ -3470,7 +3699,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38767064990c327ec1d92bba2576dce0944750e9c9ae021f12ebc72de77ac406"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.4.3",
  "base64 0.22.1",
  "futures",
  "http 1.1.0",

Cargo.toml

@@ -25,6 +25,7 @@ bytes = "1.4"
 # TODO: replace chrono with time
 chrono = { version = "0.4", features = ["serde"] }
 clap = { version = "4.4", features = ["derive", "env"] }
+console-subscriber = "0.2"
 dotenvy = "0.15"
 feed-rs = "1.3"
 futures = "0.3"

src/log.rs

@@ -5,7 +5,10 @@ use anyhow::Result;
 use bytes::Bytes;
 use once_cell::sync::Lazy;
 use tokio::sync::watch::Sender;
+use tracing::level_filters::LevelFilter;
+use tracing::Level;
 use tracing_appender::non_blocking::WorkerGuard;
+use tracing_subscriber::filter::Targets;
 use tracing_subscriber::prelude::*;
 use tracing_subscriber::EnvFilter;
 
@@ -75,8 +78,8 @@ pub fn init_tracing(
     config: &Config,
     log_sender: Sender<Bytes>,
 ) -> Result<(WorkerGuard, WorkerGuard)> {
-    let fmt_layer = tracing_subscriber::fmt::layer();
+    let console_layer = console_subscriber::spawn();
-    let filter_layer = EnvFilter::from_default_env();
+    let stdout_layer = tracing_subscriber::fmt::layer().pretty();
     let file_appender = tracing_appender::rolling::hourly("./logs", "log");
     let (file_writer, file_writer_guard) = tracing_appender::non_blocking(file_appender);
     let mem_writer = LimitedInMemoryBuffer::new(&MEM_LOG, log_sender, config.max_mem_log_size);
@@ -84,10 +87,33 @@ pub fn init_tracing(
     let file_writer_layer = tracing_subscriber::fmt::layer().with_writer(file_writer);
     let mem_writer_layer = tracing_subscriber::fmt::layer().with_writer(mem_writer);
     tracing_subscriber::registry()
-        .with(filter_layer)
+        .with(
-        .with(fmt_layer)
+            EnvFilter::from_default_env()
-        .with(file_writer_layer)
+                .add_directive("tokio=trace".parse()?)
-        .with(mem_writer_layer)
+                .add_directive("runtime=trace".parse()?),
+        )
+        .with(console_layer)
+        .with(
+            stdout_layer.with_filter(
+                EnvFilter::from_default_env()
+                    .add_directive("tokio=off".parse()?)
+                    .add_directive("runtime=off".parse()?),
+            ),
+        )
+        .with(
+            file_writer_layer.with_filter(
+                EnvFilter::from_default_env()
+                    .add_directive("tokio=off".parse()?)
+                    .add_directive("runtime=off".parse()?),
+            ),
+        )
+        .with(
+            mem_writer_layer.with_filter(
+                EnvFilter::from_default_env()
+                    .add_directive("tokio=off".parse()?)
+                    .add_directive("runtime=off".parse()?),
+            ),
+        )
         .init();
     Ok((file_writer_guard, mem_writer_guard))
 }