Enqueue background jobs in parallel

crates/crates_io_worker/src/background_job.rs

@@ -4,6 +4,8 @@
 use diesel::sql_types::{Int2, Jsonb, Text};
 use diesel::{ExpressionMethods, IntoSql, OptionalExtension, QueryDsl};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
+use futures_util::future::BoxFuture;
+use futures_util::FutureExt;
 use serde::de::DeserializeOwned;
 use serde::Serialize;
 use serde_json::Value;
@@ -38,32 +40,37 @@
     /// Execute the task. This method should define its logic.
     fn run(&self, ctx: Self::Context) -> impl Future<Output = anyhow::Result<()>> + Send;
 
-    #[allow(async_fn_in_trait)]
     #[instrument(name = "swirl.enqueue", skip(self, conn), fields(message = Self::JOB_NAME))]
-    async fn enqueue(&self, conn: &mut AsyncPgConnection) -> Result<Option<i64>, EnqueueError> {
-        let data = serde_json::to_value(self)?;
+    fn enqueue(
+        &self,
+        conn: &mut AsyncPgConnection,
+    ) -> BoxFuture<'_, Result<Option<i64>, EnqueueError>> {
+        let data = match serde_json::to_value(self) {
+            Ok(data) => data,
+            Err(err) => return async move { Err(EnqueueError::SerializationError(err)) }.boxed(),
+        };
         let priority = Self::PRIORITY;
 
         if Self::DEDUPLICATED {
-            Ok(enqueue_deduplicated(conn, Self::JOB_NAME, &data, priority).await?)
+            let future = enqueue_deduplicated(conn, Self::JOB_NAME, data, priority);
+            future.boxed()
         } else {
-            Ok(Some(
-                enqueue_simple(conn, Self::JOB_NAME, &data, priority).await?,
-            ))
+            let future = enqueue_simple(conn, Self::JOB_NAME, data, priority);
+            async move { Ok(Some(future.await?)) }.boxed()
         }
     }
 }
 
-async fn enqueue_deduplicated(
+fn enqueue_deduplicated(
     conn: &mut AsyncPgConnection,
-    job_type: &str,
-    data: &Value,
+    job_type: &'static str,
+    data: Value,
     priority: i16,
-) -> Result<Option<i64>, EnqueueError> {
+) -> impl Future<Output = Result<Option<i64>, EnqueueError>> {
     let similar_jobs = background_jobs::table
         .select(background_jobs::id)
         .filter(background_jobs::job_type.eq(job_type))
-        .filter(background_jobs::data.eq(data))
+        .filter(background_jobs::data.eq(data.clone()))
         .filter(background_jobs::priority.eq(priority))
         .for_update()
         .skip_locked();
@@ -75,36 +82,33 @@
     ))
     .filter(not(exists(similar_jobs)));
 
-    let id = diesel::insert_into(background_jobs::table)
+    let future = diesel::insert_into(background_jobs::table)
         .values(deduplicated_select)
         .into_columns((
             background_jobs::job_type,
             background_jobs::data,
             background_jobs::priority,
         ))
         .returning(background_jobs::id)
-        .get_result::<i64>(conn)
-        .await
-        .optional()?;
+        .get_result::<i64>(conn);
 
-    Ok(id)
+    async move { Ok(future.await.optional()?) }
 }
 
-async fn enqueue_simple(
+fn enqueue_simple(
     conn: &mut AsyncPgConnection,
-    job_type: &str,
-    data: &Value,
+    job_type: &'static str,
+    data: Value,
     priority: i16,
-) -> Result<i64, EnqueueError> {
-    let id = diesel::insert_into(background_jobs::table)
+) -> impl Future<Output = Result<i64, EnqueueError>> {
+    let future = diesel::insert_into(background_jobs::table)
         .values((
             background_jobs::job_type.eq(job_type),
             background_jobs::data.eq(data),
             background_jobs::priority.eq(priority),
         ))
         .returning(background_jobs::id)
-        .get_result(conn)
-        .await?;
+        .get_result(conn);
 
-    Ok(id)
+    async move { Ok(future.await?) }
 }

src/bin/crates-admin/delete_crate.rs

@@ -107,21 +107,17 @@
             info!("{name}: Skipped missing crate");
         };
 
-        info!("{name}: Enqueuing index sync jobs…");
-        let job = jobs::SyncToGitIndex::new(name);
-        if let Err(error) = job.enqueue(&mut conn).await {
-            warn!("{name}: Failed to enqueue SyncToGitIndex job: {error}");
-        }
-
-        let job = jobs::SyncToSparseIndex::new(name);
-        if let Err(error) = job.enqueue(&mut conn).await {
-            warn!("{name}: Failed to enqueue SyncToSparseIndex job: {error}");
-        }
-
-        info!("{name}: Enqueuing DeleteCrateFromStorage job…");
-        let job = jobs::DeleteCrateFromStorage::new(name.into());
-        if let Err(error) = job.enqueue(&mut conn).await {
-            warn!("{name}: Failed to enqueue DeleteCrateFromStorage job: {error}");
+        info!("{name}: Enqueuing background jobs…");
+        let git_index_job = jobs::SyncToGitIndex::new(name);
+        let sparse_index_job = jobs::SyncToSparseIndex::new(name);
+        let delete_from_storage_job = jobs::DeleteCrateFromStorage::new(name.into());
+
+        if let Err(error) = tokio::try_join!(
+            git_index_job.enqueue(&mut conn),
+            sparse_index_job.enqueue(&mut conn),
+            delete_from_storage_job.enqueue(&mut conn),
+        ) {
+            warn!("{name}: Failed to enqueue background job: {error}");
         }
     }
 

src/bin/crates-admin/delete_version.rs

@@ -95,13 +95,14 @@
     let crate_name = &opts.crate_name;
 
     info!(%crate_name, "Enqueuing index sync jobs");
-    let job = jobs::SyncToGitIndex::new(crate_name);
-    if let Err(error) = job.enqueue(&mut conn).await {
-        warn!(%crate_name, ?error, "Failed to enqueue SyncToGitIndex job");
-    }
-    let job = jobs::SyncToSparseIndex::new(crate_name);
-    if let Err(error) = job.enqueue(&mut conn).await {
-        warn!(%crate_name, ?error, "Failed to enqueue SyncToSparseIndex job");
+    let git_index_job = jobs::SyncToGitIndex::new(crate_name);
+    let sparse_index_job = jobs::SyncToSparseIndex::new(crate_name);
+
+    if let Err(error) = tokio::try_join!(
+        git_index_job.enqueue(&mut conn),
+        sparse_index_job.enqueue(&mut conn),
+    ) {
+        warn!(%crate_name, "Failed to enqueue background job: {error}");
     }
 
     for version in &opts.versions {

src/bin/crates-admin/yank_version.rs

@@ -67,11 +67,15 @@
         .execute(conn)
         .await?;
 
-    SyncToGitIndex::new(&krate.name).enqueue(conn).await?;
+    let git_index_job = SyncToGitIndex::new(&krate.name);
+    let sparse_index_job = SyncToSparseIndex::new(&krate.name);
+    let update_default_version_job = UpdateDefaultVersion::new(krate.id);
 
-    SyncToSparseIndex::new(&krate.name).enqueue(conn).await?;
-
-    UpdateDefaultVersion::new(krate.id).enqueue(conn).await?;
+    tokio::try_join!(
+        git_index_job.enqueue(conn),
+        sparse_index_job.enqueue(conn),
+        update_default_version_job.enqueue(conn),
+    )?;
 
     Ok(())
 }

src/controllers/krate/publish.rs

@@ -10,11 +10,12 @@
 use cargo_manifest::{Dependency, DepsSet, TargetDepsSet};
 use chrono::{DateTime, SecondsFormat, Utc};
 use crates_io_tarball::{process_tarball, TarballError};
-use crates_io_worker::BackgroundJob;
+use crates_io_worker::{BackgroundJob, EnqueueError};
 use diesel::dsl::{exists, select};
 use diesel::prelude::*;
 use diesel_async::scoped_futures::ScopedFutureExt;
 use diesel_async::{AsyncConnection, AsyncPgConnection, RunQueryDsl};
+use futures_util::TryFutureExt;
 use futures_util::TryStreamExt;
 use hex::ToHex;
 use http::StatusCode;
@@ -503,29 +504,41 @@
             .await
             .map_err(|e| internal(format!("failed to upload crate: {e}")))?;
 
-        jobs::SyncToGitIndex::new(&krate.name).enqueue(conn).await?;
-        jobs::SyncToSparseIndex::new(&krate.name).enqueue(conn).await?;
-
-        SendPublishNotificationsJob::new(version.id).enqueue(conn).await?;
+        let git_index_job = jobs::SyncToGitIndex::new(&krate.name);
+        let sparse_index_job = jobs::SyncToSparseIndex::new(&krate.name);
+        let publish_notifications_job = SendPublishNotificationsJob::new(version.id);
+        let crate_feed_job = jobs::rss::SyncCrateFeed::new(krate.name.clone());
+        let updates_feed_job = jobs::rss::SyncUpdatesFeed;
+
+        tokio::try_join!(
+            git_index_job.enqueue(conn),
+            sparse_index_job.enqueue(conn),
+            publish_notifications_job.enqueue(conn),
+            crate_feed_job.enqueue(conn).or_else(|error| async move {
+                error!("Failed to enqueue `rss::SyncCrateFeed` job: {error}");
+                Ok::<_, EnqueueError>(None)
+            }),
+            updates_feed_job.enqueue(conn).or_else(|error| async move {
+                error!("Failed to enqueue `rss::SyncUpdatesFeed` job: {error}");
+                Ok::<_, EnqueueError>(None)
+            }),
+        )?;
 
         // Experiment: check new crates for potential typosquatting.
         if existing_crate.is_none() {
-            CheckTyposquat::new(&krate.name).enqueue(conn).await?;
-        }
-
-        let job = jobs::rss::SyncCrateFeed::new(krate.name.clone());
-        if let Err(error) = job.enqueue(conn).await {
-            error!("Failed to enqueue `rss::SyncCrateFeed` job: {error}");
-        }
-
-        if let Err(error) = jobs::rss::SyncUpdatesFeed.enqueue(conn).await {
-            error!("Failed to enqueue `rss::SyncUpdatesFeed` job: {error}");
-        }
-
-        if existing_crate.is_none() {
-            if let Err(error) = jobs::rss::SyncCratesFeed.enqueue(conn).await {
-                error!("Failed to enqueue `rss::SyncCratesFeed` job: {error}");
-            }
+            let crates_feed_job = jobs::rss::SyncCratesFeed;
+            let typosquat_job = CheckTyposquat::new(&krate.name);
+
+            tokio::try_join!(
+                crates_feed_job.enqueue(conn).or_else(|error| async move {
+                    error!("Failed to enqueue `rss::SyncCratesFeed` job: {error}");
+                    Ok::<_, EnqueueError>(None)
+                }),
+                typosquat_job.enqueue(conn).or_else(|error| async move {
+                    error!("Failed to enqueue `CheckTyposquat` job: {error}");
+                    Ok::<_, EnqueueError>(None)
+                }),
+            )?;
         }
 
         // The `other` field on `PublishWarnings` was introduced to handle a temporary warning

src/controllers/version/metadata.rs

@@ -239,9 +239,15 @@ pub async fn perform_version_yank_update(
         .insert(conn)
         .await?;
 
-    SyncToGitIndex::new(&krate.name).enqueue(conn).await?;
-    SyncToSparseIndex::new(&krate.name).enqueue(conn).await?;
-    UpdateDefaultVersion::new(krate.id).enqueue(conn).await?;
+    let git_index_job = SyncToGitIndex::new(&krate.name);
+    let sparse_index_job = SyncToSparseIndex::new(&krate.name);
+    let update_default_version_job = UpdateDefaultVersion::new(krate.id);
+
+    tokio::try_join!(
+        git_index_job.enqueue(conn),
+        sparse_index_job.enqueue(conn),
+        update_default_version_job.enqueue(conn),
+    )?;
 
     Ok(())
 }