Enable cleanup of variants

Still TODO: doing a first pass to mark variants as accessed on launch

src/generate.rs

@@ -43,7 +43,7 @@ impl Drop for MetricsGuard {
 }
 
 #[allow(clippy::too_many_arguments)]
-#[tracing::instrument(skip(repo, store, hash))]
+#[tracing::instrument(skip(repo, store, hash, process_map, media))]
 pub(crate) async fn generate<R: FullRepo, S: Store + 'static>(
     repo: &R,
     store: &S,
@@ -78,7 +78,7 @@ pub(crate) async fn generate<R: FullRepo, S: Store + 'static>(
 }
 
 #[allow(clippy::too_many_arguments)]
-#[tracing::instrument(skip(repo, store, hash))]
+#[tracing::instrument(skip(repo, store, hash, media))]
 async fn process<R: FullRepo, S: Store + 'static>(
     repo: &R,
     store: &S,

src/lib.rs

@@ -1344,16 +1344,42 @@ fn configure_endpoints<
         );
 }
 
-fn spawn_workers<R, S>(repo: R, store: S, config: &Configuration, process_map: ProcessMap)
+fn spawn_cleanup<R>(repo: R)
+where
+    R: FullRepo + 'static,
+{
+    tracing::trace_span!(parent: None, "Spawn task").in_scope(|| {
+        actix_rt::spawn(async move {
+            let mut interval = actix_rt::time::interval(Duration::from_secs(30));
+
+            loop {
+                interval.tick().await;
+
+                if let Err(e) = queue::cleanup_outdated_variants(&repo).await {
+                    tracing::warn!(
+                        "Failed to spawn cleanup for outdated variants:{}",
+                        format!("\n{e}\n{e:?}")
+                    );
+                }
+            }
+        });
+    })
+}
+
+fn spawn_workers<R, S>(repo: R, store: S, config: Configuration, process_map: ProcessMap)
 where
     R: FullRepo + 'static,
     S: Store + 'static,
 {
+    let worker_id_1 = next_worker_id(&config);
+    let worker_id_2 = next_worker_id(&config);
+
     tracing::trace_span!(parent: None, "Spawn task").in_scope(|| {
         actix_rt::spawn(queue::process_cleanup(
             repo.clone(),
             store.clone(),
-            next_worker_id(config),
+            config.clone(),
+            worker_id_1,
         ))
     });
     tracing::trace_span!(parent: None, "Spawn task").in_scope(|| {
@@ -1361,8 +1387,8 @@ where
             repo,
             store,
             process_map,
-            config.clone(),
-            next_worker_id(config),
+            config,
+            worker_id_2,
         ))
     });
 }
@@ -1378,6 +1404,8 @@ async fn launch_file_store<R: FullRepo + 'static, F: Fn(&mut web::ServiceConfig)
 
     let address = config.server.address;
 
+    spawn_cleanup(repo.clone());
+
     HttpServer::new(move || {
         let client = client.clone();
         let store = store.clone();
@@ -1385,7 +1413,12 @@ async fn launch_file_store<R: FullRepo + 'static, F: Fn(&mut web::ServiceConfig)
         let config = config.clone();
         let extra_config = extra_config.clone();
 
-        spawn_workers(repo.clone(), store.clone(), &config, process_map.clone());
+        spawn_workers(
+            repo.clone(),
+            store.clone(),
+            config.clone(),
+            process_map.clone(),
+        );
 
         App::new()
             .wrap(TracingLogger::default())
@@ -1413,6 +1446,8 @@ async fn launch_object_store<
 
     let address = config.server.address;
 
+    spawn_cleanup(repo.clone());
+
     HttpServer::new(move || {
         let client = client.clone();
         let store = store_config.clone().build(client.clone());
@@ -1420,7 +1455,12 @@ async fn launch_object_store<
         let config = config.clone();
         let extra_config = extra_config.clone();
 
-        spawn_workers(repo.clone(), store.clone(), &config, process_map.clone());
+        spawn_workers(
+            repo.clone(),
+            store.clone(),
+            config.clone(),
+            process_map.clone(),
+        );
 
         App::new()
             .wrap(TracingLogger::default())

src/queue.rs

@@ -59,8 +59,11 @@ enum Cleanup {
     },
     Variant {
         hash: Base64Bytes,
+        #[serde(skip_serializing_if = "Option::is_none")]
+        variant: Option<String>,
     },
     AllVariants,
+    OutdatedVariants,
 }
 
 #[derive(Debug, serde::Deserialize, serde::Serialize)]
@@ -110,14 +113,25 @@ pub(crate) async fn cleanup_identifier<R: QueueRepo, I: Identifier>(
     Ok(())
 }
 
-async fn cleanup_variants<R: QueueRepo>(repo: &R, hash: R::Bytes) -> Result<(), Error> {
+async fn cleanup_variants<R: QueueRepo>(
+    repo: &R,
+    hash: R::Bytes,
+    variant: Option<String>,
+) -> Result<(), Error> {
     let job = serde_json::to_vec(&Cleanup::Variant {
         hash: Base64Bytes(hash.as_ref().to_vec()),
+        variant,
     })?;
     repo.push(CLEANUP_QUEUE, job.into()).await?;
     Ok(())
 }
 
+pub(crate) async fn cleanup_outdated_variants<R: QueueRepo>(repo: &R) -> Result<(), Error> {
+    let job = serde_json::to_vec(&Cleanup::OutdatedVariants)?;
+    repo.push(CLEANUP_QUEUE, job.into()).await?;
+    Ok(())
+}
+
 pub(crate) async fn cleanup_all_variants<R: QueueRepo>(repo: &R) -> Result<(), Error> {
     let job = serde_json::to_vec(&Cleanup::AllVariants)?;
     repo.push(CLEANUP_QUEUE, job.into()).await?;
@@ -156,8 +170,21 @@ pub(crate) async fn queue_generate<R: QueueRepo>(
     Ok(())
 }
 
-pub(crate) async fn process_cleanup<R: FullRepo, S: Store>(repo: R, store: S, worker_id: String) {
-    process_jobs(&repo, &store, worker_id, CLEANUP_QUEUE, cleanup::perform).await
+pub(crate) async fn process_cleanup<R: FullRepo, S: Store>(
+    repo: R,
+    store: S,
+    config: Configuration,
+    worker_id: String,
+) {
+    process_jobs(
+        &repo,
+        &store,
+        &config,
+        worker_id,
+        CLEANUP_QUEUE,
+        cleanup::perform,
+    )
+    .await
 }
 
 pub(crate) async fn process_images<R: FullRepo + 'static, S: Store + 'static>(
@@ -184,6 +211,7 @@ type LocalBoxFuture<'a, T> = Pin<Box<dyn Future<Output = T> + 'a>>;
 async fn process_jobs<R, S, F>(
     repo: &R,
     store: &S,
+    config: &Configuration,
     worker_id: String,
     queue: &'static str,
     callback: F,
@@ -191,10 +219,11 @@ async fn process_jobs<R, S, F>(
     R: QueueRepo + HashRepo + IdentifierRepo + AliasRepo,
     R::Bytes: Clone,
     S: Store,
-    for<'a> F: Fn(&'a R, &'a S, &'a [u8]) -> LocalBoxFuture<'a, Result<(), Error>> + Copy,
+    for<'a> F: Fn(&'a R, &'a S, &'a Configuration, &'a [u8]) -> LocalBoxFuture<'a, Result<(), Error>>
+        + Copy,
 {
     loop {
-        let res = job_loop(repo, store, worker_id.clone(), queue, callback).await;
+        let res = job_loop(repo, store, config, worker_id.clone(), queue, callback).await;
 
         if let Err(e) = res {
             tracing::warn!("Error processing jobs: {}", format!("{e}"));
@@ -209,6 +238,7 @@ async fn process_jobs<R, S, F>(
 async fn job_loop<R, S, F>(
     repo: &R,
     store: &S,
+    config: &Configuration,
     worker_id: String,
     queue: &'static str,
     callback: F,
@@ -217,14 +247,15 @@ where
     R: QueueRepo + HashRepo + IdentifierRepo + AliasRepo,
     R::Bytes: Clone,
     S: Store,
-    for<'a> F: Fn(&'a R, &'a S, &'a [u8]) -> LocalBoxFuture<'a, Result<(), Error>> + Copy,
+    for<'a> F: Fn(&'a R, &'a S, &'a Configuration, &'a [u8]) -> LocalBoxFuture<'a, Result<(), Error>>
+        + Copy,
 {
     loop {
         let bytes = repo.pop(queue, worker_id.as_bytes().to_vec()).await?;
 
         let span = tracing::info_span!("Running Job", worker_id = ?worker_id);
 
-        span.in_scope(|| (callback)(repo, store, bytes.as_ref()))
+        span.in_scope(|| (callback)(repo, store, config, bytes.as_ref()))
             .instrument(span)
             .await?;
     }

src/queue/cleanup.rs

@@ -1,7 +1,8 @@
 use crate::{
+    config::Configuration,
     error::{Error, UploadError},
     queue::{Base64Bytes, Cleanup, LocalBoxFuture},
-    repo::{Alias, AliasRepo, DeleteToken, FullRepo, HashRepo, IdentifierRepo},
+    repo::{Alias, AliasRepo, DeleteToken, FullRepo, HashRepo, IdentifierRepo, VariantAccessRepo},
     serde_str::Serde,
     store::{Identifier, Store},
 };
@@ -10,6 +11,7 @@ use futures_util::StreamExt;
 pub(super) fn perform<'a, R, S>(
     repo: &'a R,
     store: &'a S,
+    configuration: &'a Configuration,
     job: &'a [u8],
 ) -> LocalBoxFuture<'a, Result<(), Error>>
 where
@@ -38,8 +40,10 @@ where
                 }
                 Cleanup::Variant {
                     hash: Base64Bytes(hash),
-                } => variant::<R, S>(repo, hash).await?,
+                    variant,
+                } => hash_variant::<R, S>(repo, hash, variant).await?,
                 Cleanup::AllVariants => all_variants::<R, S>(repo).await?,
+                Cleanup::OutdatedVariants => outdated_variants::<R, S>(repo, configuration).await?,
             },
             Err(e) => {
                 tracing::warn!("Invalid job: {}", format!("{e}"));
@@ -150,6 +154,7 @@ where
     Ok(())
 }
 
+#[tracing::instrument(skip_all)]
 async fn all_variants<R, S>(repo: &R) -> Result<(), Error>
 where
     R: FullRepo,
@@ -159,22 +164,60 @@ where
 
     while let Some(res) = hash_stream.next().await {
         let hash = res?;
-        super::cleanup_variants(repo, hash).await?;
+        super::cleanup_variants(repo, hash, None).await?;
     }
 
     Ok(())
 }
 
-async fn variant<R, S>(repo: &R, hash: Vec<u8>) -> Result<(), Error>
+#[tracing::instrument(skip_all)]
+async fn outdated_variants<R, S>(repo: &R, config: &Configuration) -> Result<(), Error>
+where
+    R: FullRepo,
+    S: Store,
+{
+    let now = time::OffsetDateTime::now_utc();
+    let since = now.saturating_sub(config.media.retention.variants.to_duration());
+
+    let mut variant_stream = Box::pin(repo.older_variants(since).await?);
+
+    while let Some(res) = variant_stream.next().await {
+        let (hash, variant) = res?;
+        super::cleanup_variants(repo, hash, Some(variant)).await?;
+    }
+
+    Ok(())
+}
+
+#[tracing::instrument(skip_all)]
+async fn hash_variant<R, S>(
+    repo: &R,
+    hash: Vec<u8>,
+    target_variant: Option<String>,
+) -> Result<(), Error>
 where
     R: FullRepo,
     S: Store,
 {
     let hash: R::Bytes = hash.into();
 
-    for (variant, identifier) in repo.variants::<S::Identifier>(hash.clone()).await? {
-        repo.remove_variant(hash.clone(), variant).await?;
-        super::cleanup_identifier(repo, identifier).await?;
+    if let Some(target_variant) = target_variant {
+        if let Some(identifier) = repo
+            .variant_identifier::<S::Identifier>(hash.clone(), target_variant.clone())
+            .await?
+        {
+            super::cleanup_identifier(repo, identifier).await?;
+        }
+
+        repo.remove_variant(hash.clone(), target_variant.clone())
+            .await?;
+        VariantAccessRepo::remove_access(repo, hash, target_variant).await?;
+    } else {
+        for (variant, identifier) in repo.variants::<S::Identifier>(hash.clone()).await? {
+            repo.remove_variant(hash.clone(), variant.clone()).await?;
+            VariantAccessRepo::remove_access(repo, hash.clone(), variant).await?;
+            super::cleanup_identifier(repo, identifier).await?;
+        }
     }
 
     Ok(())

src/repo.rs

@@ -156,7 +156,7 @@ pub(crate) trait AliasAccessRepo: BaseRepo {
         timestamp: time::OffsetDateTime,
     ) -> Result<Self::AliasAccessStream, RepoError>;
 
-    async fn remove(&self, alias: Alias) -> Result<(), RepoError>;
+    async fn remove_access(&self, alias: Alias) -> Result<(), RepoError>;
 }
 
 #[async_trait::async_trait(?Send)]
@@ -177,8 +177,8 @@ where
         T::older_aliases(self, timestamp).await
     }
 
-    async fn remove(&self, alias: Alias) -> Result<(), RepoError> {
-        T::remove(self, alias).await
+    async fn remove_access(&self, alias: Alias) -> Result<(), RepoError> {
+        T::remove_access(self, alias).await
     }
 }
 
@@ -196,7 +196,7 @@ pub(crate) trait VariantAccessRepo: BaseRepo {
         timestamp: time::OffsetDateTime,
     ) -> Result<Self::VariantAccessStream, RepoError>;
 
-    async fn remove(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError>;
+    async fn remove_access(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError>;
 }
 
 #[async_trait::async_trait(?Send)]
@@ -225,8 +225,8 @@ where
         T::older_variants(self, timestamp).await
     }
 
-    async fn remove(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
-        T::remove(self, hash, variant).await
+    async fn remove_access(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
+        T::remove_access(self, hash, variant).await
     }
 }
 

src/repo/sled.rs

@@ -269,6 +269,7 @@ impl futures_util::Stream for VariantAccessStream {
 impl AliasAccessRepo for SledRepo {
     type AliasAccessStream = AliasAccessStream;
 
+    #[tracing::instrument(level = "debug", skip(self))]
     async fn accessed(&self, alias: Alias) -> Result<(), RepoError> {
         let now_string = time::OffsetDateTime::now_utc()
             .format(&time::format_description::well_known::Rfc3339)
@@ -289,6 +290,7 @@ impl AliasAccessRepo for SledRepo {
         .map_err(RepoError::from)
     }
 
+    #[tracing::instrument(level = "debug", skip(self))]
     async fn older_aliases(
         &self,
         timestamp: time::OffsetDateTime,
@@ -312,7 +314,8 @@ impl AliasAccessRepo for SledRepo {
         })
     }
 
-    async fn remove(&self, alias: Alias) -> Result<(), RepoError> {
+    #[tracing::instrument(level = "debug", skip(self))]
+    async fn remove_access(&self, alias: Alias) -> Result<(), RepoError> {
         let alias_access = self.alias_access.clone();
         let inverse_alias_access = self.inverse_alias_access.clone();
 
@@ -332,6 +335,7 @@ impl AliasAccessRepo for SledRepo {
 impl VariantAccessRepo for SledRepo {
     type VariantAccessStream = VariantAccessStream;
 
+    #[tracing::instrument(level = "debug", skip_all, fields(hash = %hex::encode(&hash), variant = %variant))]
     async fn accessed(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
         let key = variant_access_key(&hash, &variant);
 
@@ -354,6 +358,7 @@ impl VariantAccessRepo for SledRepo {
         .map_err(RepoError::from)
     }
 
+    #[tracing::instrument(level = "debug", skip_all, fields(hash = %hex::encode(&hash), variant = %variant))]
     async fn contains_variant(
         &self,
         hash: Self::Bytes,
@@ -366,6 +371,7 @@ impl VariantAccessRepo for SledRepo {
         Ok(timestamp.is_some())
     }
 
+    #[tracing::instrument(level = "debug", skip(self))]
     async fn older_variants(
         &self,
         timestamp: time::OffsetDateTime,
@@ -389,7 +395,8 @@ impl VariantAccessRepo for SledRepo {
         })
     }
 
-    async fn remove(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
+    #[tracing::instrument(level = "debug", skip_all, fields(hash = %hex::encode(&hash), variant = %variant))]
+    async fn remove_access(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
         let key = variant_access_key(&hash, &variant);
 
         let variant_access = self.variant_access.clone();