Replace rouille with warp

Co-authored-by: Fedor Sakharov <[email protected]>

Cargo.toml

@@ -71,7 +71,7 @@ regex = "1.10.3"
 reqsign = { version = "0.16.0", optional = true }
 reqwest = { version = "0.12", features = [
   "json",
-  "blocking",
+  "native-tls",
   "stream",
   "rustls-tls",
   "rustls-tls-native-roots",
@@ -107,6 +107,7 @@ zstd = "0.13"
 
 # dist-server only
 memmap2 = "0.9.4"
+native-tls = "0.2.8"
 nix = { version = "0.28.0", optional = true, features = [
   "mount",
   "user",
@@ -115,11 +116,10 @@ nix = { version = "0.28.0", optional = true, features = [
   "process",
 ] }
 object = "0.32"
-rouille = { version = "3.6", optional = true, default-features = false, features = [
-  "ssl",
-] }
 syslog = { version = "6", optional = true }
+thiserror = { version = "1.0.30", optional = true }
 version-compare = { version = "0.1.1", optional = true }
+warp = { version = "0.3.2", optional = true, features = ["tls"] }
 
 [dev-dependencies]
 assert_cmd = "2.0.13"
@@ -190,15 +190,17 @@ dist-client = [
 ]
 # Enables the sccache-dist binary
 dist-server = [
+  "reqwest/blocking",
   "jwt",
   "flate2",
   "libmount",
   "nix",
   "openssl",
   "reqwest",
-  "rouille",
   "syslog",
   "version-compare",
+  "warp",
+  "thiserror",
 ]
 # Enables dist tests with external requirements
 dist-tests = ["dist-client", "dist-server"]

src/bin/sccache-dist/build.rs

@@ -231,7 +231,7 @@ impl OverlayBuilder {
                     for (tc, _) in entries {
                         warn!("Removing old un-compressed toolchain: {:?}", tc);
                         assert!(toolchain_dir_map.remove(tc).is_some());
-                        fs::remove_dir_all(&self.dir.join("toolchains").join(&tc.archive_id))
+                        fs::remove_dir_all(self.dir.join("toolchains").join(&tc.archive_id))
                             .context("Failed to remove old toolchain directory")?;
                     }
                 }

src/bin/sccache-dist/main.rs

@@ -2,7 +2,9 @@
 extern crate log;
 
 use anyhow::{bail, Context, Error, Result};
+use async_trait::async_trait;
 use base64::Engine;
+use cmdline::{AuthSubcommand, Command};
 use rand::{rngs::OsRng, RngCore};
 use sccache::config::{
     scheduler as scheduler_config, server as server_config, INSECURE_DIST_CLIENT_TOKEN,
@@ -22,17 +24,16 @@ use std::env;
 use std::io;
 use std::path::Path;
 use std::sync::atomic::{AtomicUsize, Ordering};
-use std::sync::{Mutex, MutexGuard};
+use std::sync::{Arc, Mutex, MutexGuard};
 use std::time::{Duration, Instant};
+use tokio::runtime::Runtime;
 
 #[cfg_attr(target_os = "freebsd", path = "build_freebsd.rs")]
 mod build;
 
 mod cmdline;
 mod token_check;
 
-use cmdline::{AuthSubcommand, Command};
-
 pub const INSECURE_DIST_SERVER_TOKEN: &str = "dangerously_insecure_server";
 
 // Only supported on x86_64 Linux machines and on FreeBSD
@@ -184,10 +185,10 @@ fn run(command: Command) -> Result<i32> {
                 scheduler_config::ServerAuth::Insecure => {
                     warn!("Scheduler starting with DANGEROUSLY_INSECURE server authentication");
                     let token = INSECURE_DIST_SERVER_TOKEN;
-                    Box::new(move |server_token| check_server_token(server_token, token))
+                    Arc::new(move |server_token| check_server_token(server_token, token))
                 }
                 scheduler_config::ServerAuth::Token { token } => {
-                    Box::new(move |server_token| check_server_token(server_token, &token))
+                    Arc::new(move |server_token| check_server_token(server_token, &token))
                 }
                 scheduler_config::ServerAuth::JwtHS256 { secret_key } => {
                     let secret_key = BASE64_URL_SAFE_ENGINE
@@ -203,7 +204,7 @@ fn run(command: Command) -> Result<i32> {
                         validation.validate_nbf = false;
                         validation
                     };
-                    Box::new(move |server_token| {
+                    Arc::new(move |server_token| {
                         check_jwt_server_token(server_token, &secret_key, &validation)
                     })
                 }
@@ -217,7 +218,10 @@ fn run(command: Command) -> Result<i32> {
                 check_client_auth,
                 check_server_auth,
             );
-            http_scheduler.start()?;
+
+            // Create runtime after daemonize because Tokio doesn't work well with daemonize
+            let runtime = Runtime::new().context("Failed to create Tokio runtime")?;
+            runtime.block_on(async { http_scheduler.start().await })?;
             unreachable!();
         }
 
@@ -294,7 +298,8 @@ fn run(command: Command) -> Result<i32> {
                 server,
             )
             .context("Failed to create sccache HTTP server instance")?;
-            http_server.start()?;
+            let runtime = Runtime::new().context("Failed to create Tokio runtime")?;
+            runtime.block_on(async { http_server.start().await })?;
             unreachable!();
         }
     }
@@ -399,8 +404,9 @@ impl Default for Scheduler {
     }
 }
 
+#[async_trait]
 impl SchedulerIncoming for Scheduler {
-    fn handle_alloc_job(
+    async fn handle_alloc_job(
         &self,
         requester: &dyn SchedulerOutgoing,
         tc: Toolchain,
@@ -499,6 +505,7 @@ impl SchedulerIncoming for Scheduler {
             need_toolchain,
         } = requester
             .do_assign_job(server_id, job_id, tc, auth.clone())
+            .await
             .with_context(|| {
                 // LOCKS
                 let mut servers = self.servers.lock().unwrap();
@@ -717,7 +724,7 @@ impl SchedulerIncoming for Scheduler {
 pub struct Server {
     builder: Box<dyn BuilderIncoming>,
     cache: Mutex<TcCache>,
-    job_toolchains: Mutex<HashMap<JobId, Toolchain>>,
+    job_toolchains: tokio::sync::Mutex<HashMap<JobId, Toolchain>>,
 }
 
 impl Server {
@@ -731,18 +738,19 @@ impl Server {
         Ok(Server {
             builder,
             cache: Mutex::new(cache),
-            job_toolchains: Mutex::new(HashMap::new()),
+            job_toolchains: tokio::sync::Mutex::new(HashMap::new()),
         })
     }
 }
 
+#[async_trait]
 impl ServerIncoming for Server {
-    fn handle_assign_job(&self, job_id: JobId, tc: Toolchain) -> Result<AssignJobResult> {
+    async fn handle_assign_job(&self, job_id: JobId, tc: Toolchain) -> Result<AssignJobResult> {
         let need_toolchain = !self.cache.lock().unwrap().contains_toolchain(&tc);
         assert!(self
             .job_toolchains
             .lock()
-            .unwrap()
+            .await
             .insert(job_id, tc)
             .is_none());
         let state = if need_toolchain {
@@ -756,18 +764,19 @@ impl ServerIncoming for Server {
             need_toolchain,
         })
     }
-    fn handle_submit_toolchain(
+    async fn handle_submit_toolchain(
         &self,
         requester: &dyn ServerOutgoing,
         job_id: JobId,
-        tc_rdr: ToolchainReader,
+        tc_rdr: ToolchainReader<'_>,
     ) -> Result<SubmitToolchainResult> {
         requester
             .do_update_job_state(job_id, JobState::Ready)
+            .await
             .context("Updating job state failed")?;
         // TODO: need to lock the toolchain until the container has started
         // TODO: can start prepping container
-        let tc = match self.job_toolchains.lock().unwrap().get(&job_id).cloned() {
+        let tc = match self.job_toolchains.lock().await.get(&job_id).cloned() {
             Some(tc) => tc,
             None => return Ok(SubmitToolchainResult::JobNotFound),
         };
@@ -783,18 +792,19 @@ impl ServerIncoming for Server {
             .map(|_| SubmitToolchainResult::Success)
             .unwrap_or(SubmitToolchainResult::CannotCache))
     }
-    fn handle_run_job(
+    async fn handle_run_job(
         &self,
         requester: &dyn ServerOutgoing,
         job_id: JobId,
         command: CompileCommand,
         outputs: Vec<String>,
-        inputs_rdr: InputsReader,
+        inputs_rdr: InputsReader<'_>,
     ) -> Result<RunJobResult> {
         requester
             .do_update_job_state(job_id, JobState::Started)
+            .await
             .context("Updating job state failed")?;
-        let tc = self.job_toolchains.lock().unwrap().remove(&job_id);
+        let tc = self.job_toolchains.lock().await.remove(&job_id);
         let res = match tc {
             None => Ok(RunJobResult::JobNotFound),
             Some(tc) => {
@@ -812,6 +822,7 @@ impl ServerIncoming for Server {
         };
         requester
             .do_update_job_state(job_id, JobState::Complete)
+            .await
             .context("Updating job state failed")?;
         res
     }

src/bin/sccache-dist/token_check.rs

@@ -1,7 +1,9 @@
 use anyhow::{bail, Context, Result};
+use async_trait::async_trait;
 use base64::Engine;
 use sccache::dist::http::{ClientAuthCheck, ClientVisibleMsg};
-use sccache::util::{new_reqwest_blocking_client, BASE64_URL_SAFE_ENGINE};
+use sccache::util::new_reqwest_client;
+use sccache::util::BASE64_URL_SAFE_ENGINE;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::result::Result as StdResult;
@@ -54,8 +56,9 @@ pub struct EqCheck {
     s: String,
 }
 
+#[async_trait]
 impl ClientAuthCheck for EqCheck {
-    fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
+    async fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
         if self.s == token {
             Ok(())
         } else {
@@ -80,14 +83,15 @@ const MOZ_USERINFO_ENDPOINT: &str = "https://auth.mozilla.auth0.com/userinfo";
 /// Mozilla-specific check by forwarding the token onto the auth0 userinfo endpoint
 pub struct MozillaCheck {
     // token, token_expiry
-    auth_cache: Mutex<HashMap<String, Instant>>,
-    client: reqwest::blocking::Client,
+    auth_cache: tokio::sync::Mutex<HashMap<String, Instant>>,
+    client: reqwest::Client,
     required_groups: Vec<String>,
 }
 
+#[async_trait]
 impl ClientAuthCheck for MozillaCheck {
-    fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
-        self.check_mozilla(token).map_err(|e| {
+    async fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
+        self.check_mozilla(token).await.map_err(|e| {
             warn!("Mozilla token validation failed: {}", e);
             ClientVisibleMsg::from_nonsensitive(
                 "Failed to validate Mozilla OAuth token, run sccache --dist-auth".to_owned(),
@@ -99,13 +103,13 @@ impl ClientAuthCheck for MozillaCheck {
 impl MozillaCheck {
     pub fn new(required_groups: Vec<String>) -> Self {
         Self {
-            auth_cache: Mutex::new(HashMap::new()),
-            client: new_reqwest_blocking_client(),
+            auth_cache: tokio::sync::Mutex::new(HashMap::new()),
+            client: new_reqwest_client(),
             required_groups,
         }
     }
 
-    fn check_mozilla(&self, token: &str) -> Result<()> {
+    async fn check_mozilla(&self, token: &str) -> Result<()> {
         // azp == client_id
         // {
         //   "iss": "https://auth.mozilla.auth0.com/",
@@ -139,7 +143,7 @@ impl MozillaCheck {
         }
 
         // If the token is cached and not expired, return it
-        let mut auth_cache = self.auth_cache.lock().unwrap();
+        let mut auth_cache = self.auth_cache.lock().await;
         if let Some(cached_at) = auth_cache.get(token) {
             if cached_at.elapsed() < MOZ_SESSION_TIMEOUT {
                 return Ok(());
@@ -158,10 +162,12 @@ impl MozillaCheck {
             .get(url.clone())
             .bearer_auth(token)
             .send()
+            .await
             .context("Failed to make request to mozilla userinfo")?;
         let status = res.status();
         let res_text = res
             .text()
+            .await
             .context("Failed to interpret response from mozilla userinfo as string")?;
         if !status.is_success() {
             bail!("JWT forwarded to {} returned {}: {}", url, status, res_text)
@@ -245,14 +251,15 @@ fn test_auth_verify_check_mozilla_profile() {
 // Don't check a token is valid (it may not even be a JWT) just forward it to
 // an API and check for success
 pub struct ProxyTokenCheck {
-    client: reqwest::blocking::Client,
+    client: reqwest::Client,
     maybe_auth_cache: Option<Mutex<(HashMap<String, Instant>, Duration)>>,
     url: String,
 }
 
+#[async_trait]
 impl ClientAuthCheck for ProxyTokenCheck {
-    fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
-        match self.check_token_with_forwarding(token) {
+    async fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
+        match self.check_token_with_forwarding(token).await {
             Ok(()) => Ok(()),
             Err(e) => {
                 warn!("Proxying token validation failed: {}", e);
@@ -269,13 +276,13 @@ impl ProxyTokenCheck {
         let maybe_auth_cache: Option<Mutex<(HashMap<String, Instant>, Duration)>> =
             cache_secs.map(|secs| Mutex::new((HashMap::new(), Duration::from_secs(secs))));
         Self {
-            client: new_reqwest_blocking_client(),
+            client: new_reqwest_client(),
             maybe_auth_cache,
             url,
         }
     }
 
-    fn check_token_with_forwarding(&self, token: &str) -> Result<()> {
+    async fn check_token_with_forwarding(&self, token: &str) -> Result<()> {
         trace!("Validating token by forwarding to {}", self.url);
         // If the token is cached and not cache has not expired, return it
         if let Some(ref auth_cache) = self.maybe_auth_cache {
@@ -294,6 +301,7 @@ impl ProxyTokenCheck {
             .get(&self.url)
             .bearer_auth(token)
             .send()
+            .await
             .context("Failed to make request to proxying url")?;
         if !res.status().is_success() {
             bail!("Token forwarded to {} returned {}", self.url, res.status());
@@ -315,8 +323,9 @@ pub struct ValidJWTCheck {
     kid_to_pkcs1: HashMap<String, Vec<u8>>,
 }
 
+#[async_trait]
 impl ClientAuthCheck for ValidJWTCheck {
-    fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
+    async fn check(&self, token: &str) -> StdResult<(), ClientVisibleMsg> {
         match self.check_jwt_validity(token) {
             Ok(()) => Ok(()),
             Err(e) => {

src/compiler/compiler.rs

@@ -1460,7 +1460,6 @@ mod test {
     use std::io::{Cursor, Write};
     use std::sync::Arc;
     use std::time::Duration;
-    use std::u64;
     use test_case::test_case;
     use tokio::runtime::Runtime;
 

src/compiler/rust.rs

@@ -34,7 +34,6 @@ use fs_err as fs;
 use log::Level::Trace;
 use once_cell::sync::Lazy;
 #[cfg(feature = "dist-client")]
-#[cfg(feature = "dist-client")]
 use std::borrow::Borrow;
 use std::borrow::Cow;
 #[cfg(feature = "dist-client")]