fix test bug with tempdir

meilisearch-http/src/index_controller/index_actor.rs

@@ -1,4 +1,4 @@
-use std::collections::{hash_map::Entry, HashMap};
+use std::collections::HashMap;
 use std::fs::{create_dir_all, remove_dir_all, File};
 use std::future::Future;
 use std::path::{Path, PathBuf};
@@ -8,11 +8,15 @@ use async_stream::stream;
 use chrono::{DateTime, Utc};
 use futures::pin_mut;
 use futures::stream::StreamExt;
-use heed::EnvOpenOptions;
+use heed::{
-use log::info;
+    types::{ByteSlice, SerdeBincode},
+    Database, Env, EnvOpenOptions,
+};
+use log::debug;
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
-use tokio::sync::{mpsc, oneshot, RwLock};
+use tokio::{sync::{mpsc, oneshot, RwLock}};
+use tokio::task::spawn_blocking;
 use uuid::Uuid;
 
 use super::get_arc_ownership_blocking;
@@ -96,6 +100,8 @@ pub enum IndexError {
     IndexAlreadyExists,
     #[error("Index doesn't exists")]
     UnexistingIndex,
+    #[error("Heed error: {0}")]
+    HeedError(#[from] heed::Error),
 }
 
 #[async_trait::async_trait]
@@ -105,10 +111,9 @@ trait IndexStore {
     where
         F: FnOnce(Index) -> Result<R> + Send + Sync + 'static,
         R: Sync + Send + 'static;
-    async fn get_or_create(&self, uuid: Uuid, primary_key: Option<String>) -> Result<Index>;
     async fn get(&self, uuid: Uuid) -> Result<Option<Index>>;
-    async fn delete(&self, uuid: &Uuid) -> Result<Option<Index>>;
+    async fn delete(&self, uuid: Uuid) -> Result<Option<Index>>;
-    async fn get_meta(&self, uuid: &Uuid) -> Result<Option<IndexMeta>>;
+    async fn get_meta(&self, uuid: Uuid) -> Result<Option<IndexMeta>>;
 }
 
 impl<S: IndexStore + Sync + Send> IndexActor<S> {
@@ -118,8 +123,8 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
         store: S,
     ) -> Result<Self> {
         let options = IndexerOpts::default();
-        let update_handler = UpdateHandler::new(&options)
+        let update_handler =
-            .map_err(|e| IndexError::Error(e.into()))?;
+            UpdateHandler::new(&options).map_err(|e| IndexError::Error(e.into()))?;
         let update_handler = Arc::new(update_handler);
         let read_receiver = Some(read_receiver);
         let write_receiver = Some(write_receiver);
@@ -227,11 +232,12 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
     }
 
     async fn handle_search(&self, uuid: Uuid, query: SearchQuery) -> anyhow::Result<SearchResult> {
-        let index = self.store
+        let index = self
+            .store
             .get(uuid)
             .await?
             .ok_or(IndexError::UnexistingIndex)?;
-        tokio::task::spawn_blocking(move || index.perform_search(query)).await?
+        spawn_blocking(move || index.perform_search(query)).await?
     }
 
     async fn handle_create_index(
@@ -247,15 +253,14 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
         meta: Processing<UpdateMeta>,
         data: File,
     ) -> Result<UpdateResult> {
-        info!("Processing update {}", meta.id());
+        debug!("Processing update {}", meta.id());
         let uuid = meta.index_uuid().clone();
         let update_handler = self.update_handler.clone();
         let handle = self
             .store
             .update_index(uuid, |index| {
-                let handle = tokio::task::spawn_blocking(move || {
+                let handle =
-                    update_handler.handle_update(meta, data, index)
+                    spawn_blocking(move || update_handler.handle_update(meta, data, index));
-                });
                 Ok(handle)
             })
             .await?;
@@ -264,11 +269,12 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
     }
 
     async fn handle_settings(&self, uuid: Uuid) -> Result<Settings> {
-        let index = self.store
+        let index = self
+            .store
             .get(uuid)
             .await?
             .ok_or(IndexError::UnexistingIndex)?;
-        tokio::task::spawn_blocking(move || index.settings().map_err(|e| IndexError::Error(e)))
+        spawn_blocking(move || index.settings().map_err(|e| IndexError::Error(e)))
             .await
             .map_err(|e| IndexError::Error(e.into()))?
     }
@@ -280,10 +286,12 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
         limit: usize,
         attributes_to_retrieve: Option<Vec<String>>,
     ) -> Result<Vec<Document>> {
-        let index = self.store.get(uuid)
+        let index = self
+            .store
+            .get(uuid)
             .await?
             .ok_or(IndexError::UnexistingIndex)?;
-        tokio::task::spawn_blocking(move || {
+        spawn_blocking(move || {
             index
                 .retrieve_documents(offset, limit, attributes_to_retrieve)
                 .map_err(|e| IndexError::Error(e))
@@ -303,7 +311,7 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
             .get(uuid)
             .await?
             .ok_or(IndexError::UnexistingIndex)?;
-        tokio::task::spawn_blocking(move || {
+        spawn_blocking(move || {
             index
                 .retrieve_document(doc_id, attributes_to_retrieve)
                 .map_err(|e| IndexError::Error(e))
@@ -313,15 +321,15 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
     }
 
     async fn handle_delete(&self, uuid: Uuid) -> Result<()> {
-        let index = self.store.delete(&uuid).await?;
+        let index = self.store.delete(uuid).await?;
 
         if let Some(index) = index {
             tokio::task::spawn(async move {
                 let index = index.0;
                 let store = get_arc_ownership_blocking(index).await;
-                tokio::task::spawn_blocking(move || {
+                spawn_blocking(move || {
                     store.prepare_for_closing().wait();
-                    info!("Index {} was closed.", uuid);
+                    debug!("Index closed");
                 });
             });
         }
@@ -330,7 +338,7 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
     }
 
     async fn handle_get_meta(&self, uuid: Uuid) -> Result<Option<IndexMeta>> {
-        let result = self.store.get_meta(&uuid).await?;
+        let result = self.store.get_meta(uuid).await?;
         Ok(result)
     }
 }
@@ -346,7 +354,7 @@ impl IndexActorHandle {
         let (read_sender, read_receiver) = mpsc::channel(100);
         let (write_sender, write_receiver) = mpsc::channel(100);
 
-        let store = MapIndexStore::new(path);
+        let store = HeedIndexStore::new(path)?;
         let actor = IndexActor::new(read_receiver, write_receiver, store)?;
         tokio::task::spawn(actor.run());
         Ok(Self {
@@ -442,149 +450,165 @@ impl IndexActorHandle {
     }
 }
 
-struct MapIndexStore {
+struct HeedIndexStore {
-    root: PathBuf,
+    env: Env,
-    meta_store: AsyncMap<Uuid, IndexMeta>,
+    db: Database<ByteSlice, SerdeBincode<IndexMeta>>,
     index_store: AsyncMap<Uuid, Index>,
+    path: PathBuf,
+}
+
+impl HeedIndexStore {
+    fn new(path: impl AsRef<Path>) -> anyhow::Result<Self> {
+        let mut options = EnvOpenOptions::new();
+        options.map_size(1_073_741_824); //1GB
+        let path = path.as_ref().join("indexes/");
+        create_dir_all(&path)?;
+        let env = options.open(&path)?;
+        let db = env.create_database(None)?;
+        let index_store = Arc::new(RwLock::new(HashMap::new()));
+        Ok(Self {
+            env,
+            db,
+            index_store,
+            path,
+        })
+    }
 }
 
 #[async_trait::async_trait]
-impl IndexStore for MapIndexStore {
+impl IndexStore for HeedIndexStore {
     async fn create_index(&self, uuid: Uuid, primary_key: Option<String>) -> Result<IndexMeta> {
-        let meta = match self.meta_store.write().await.entry(uuid.clone()) {
+        let path = self.path.join(format!("index-{}", uuid));
-            Entry::Vacant(entry) => {
+
+        if path.exists() {
+            return Err(IndexError::IndexAlreadyExists);
+        }
+
+        let env = self.env.clone();
+        let db = self.db.clone();
+        let (index, meta) = spawn_blocking(move || -> Result<(Index, IndexMeta)> {
             let now = Utc::now();
             let meta = IndexMeta {
-                    uuid,
+                uuid: uuid.clone(),
                 created_at: now.clone(),
                 updated_at: now,
                 primary_key,
             };
-                entry.insert(meta).clone()
+            let mut txn = env.write_txn()?;
-            }
+            db.put(&mut txn, uuid.as_bytes(), &meta)?;
-            Entry::Occupied(_) => return Err(IndexError::IndexAlreadyExists),
+            txn.commit()?;
-        };
 
-        let db_path = self.root.join(format!("index-{}", meta.uuid));
+            let index = open_index(&path, 4096 * 100_000)?;
 
-        let index: Result<Index> = tokio::task::spawn_blocking(move || {
+            Ok((index, meta))
-            create_dir_all(&db_path).expect("can't create db");
-            let mut options = EnvOpenOptions::new();
-            options.map_size(4096 * 100_000);
-            let index = milli::Index::new(options, &db_path).map_err(|e| IndexError::Error(e))?;
-            let index = Index(Arc::new(index));
-            Ok(index)
         })
         .await
-        .expect("thread died");
+        .expect("thread died")?;
 
-        self.index_store
+        self.index_store.write().await.insert(uuid.clone(), index);
-            .write()
-            .await
-            .insert(meta.uuid.clone(), index?);
 
         Ok(meta)
     }
 
-    async fn get_or_create(&self, uuid: Uuid, primary_key: Option<String>) -> Result<Index> {
-        match self.index_store.write().await.entry(uuid.clone()) {
-            Entry::Vacant(index_entry) => match self.meta_store.write().await.entry(uuid.clone()) {
-                Entry::Vacant(meta_entry) => {
-                    let now = Utc::now();
-                    let meta = IndexMeta {
-                        uuid,
-                        created_at: now.clone(),
-                        updated_at: now,
-                        primary_key,
-                    };
-                    let meta = meta_entry.insert(meta);
-                    let db_path = self.root.join(format!("index-{}", meta.uuid));
-
-                    let index: Result<Index> = tokio::task::spawn_blocking(move || {
-                        create_dir_all(&db_path).expect("can't create db");
-                        let mut options = EnvOpenOptions::new();
-                        options.map_size(4096 * 100_000);
-                        let index = milli::Index::new(options, &db_path)
-                            .map_err(|e| IndexError::Error(e))?;
-                        let index = Index(Arc::new(index));
-                        Ok(index)
-                    })
-                    .await
-                    .expect("thread died");
-
-                    Ok(index_entry.insert(index?).clone())
-                }
-                Entry::Occupied(entry) => {
-                    let meta = entry.get();
-                    let db_path = self.root.join(format!("index-{}", meta.uuid));
-
-                    let index: Result<Index> = tokio::task::spawn_blocking(move || {
-                        create_dir_all(&db_path).expect("can't create db");
-                        let mut options = EnvOpenOptions::new();
-                        options.map_size(4096 * 100_000);
-                        let index = milli::Index::new(options, &db_path)
-                            .map_err(|e| IndexError::Error(e))?;
-                        let index = Index(Arc::new(index));
-                        Ok(index)
-                    })
-                    .await
-                    .expect("thread died");
-
-                    Ok(index_entry.insert(index?).clone())
-                }
-            },
-            Entry::Occupied(entry) => Ok(entry.get().clone()),
-        }
-    }
-
-    async fn get(&self, uuid: Uuid) -> Result<Option<Index>> {
-        Ok(self.index_store.read().await.get(&uuid).cloned())
-    }
-
-    async fn delete(&self, uuid: &Uuid) -> Result<Option<Index>> {
-        let index = self.index_store.write().await.remove(&uuid);
-        if index.is_some() {
-            let db_path = self.root.join(format!("index-{}", uuid));
-            remove_dir_all(db_path).unwrap();
-        }
-        Ok(index)
-    }
-
-    async fn get_meta(&self, uuid: &Uuid) -> Result<Option<IndexMeta>> {
-        Ok(self.meta_store.read().await.get(uuid).cloned())
-    }
-
     async fn update_index<R, F>(&self, uuid: Uuid, f: F) -> Result<R>
     where
         F: FnOnce(Index) -> Result<R> + Send + Sync + 'static,
         R: Sync + Send + 'static,
     {
-        let index = self.get_or_create(uuid.clone(), None).await?;
+        let guard = self.index_store.read().await;
-        let mut meta = self
+        let index = match guard.get(&uuid) {
-            .get_meta(&uuid)
+            Some(index) => index.clone(),
-            .await?
+            None => {
-            .ok_or(IndexError::UnexistingIndex)?;
+                drop(guard);
+                self.create_index(uuid.clone(), None).await?;
+                self.index_store
+                    .read()
+                    .await
+                    .get(&uuid)
+                    .expect("Index should exist")
+                    .clone()
+            }
+        };
+
+        let env = self.env.clone();
+        let db = self.db.clone();
+        spawn_blocking(move || {
+            let mut txn = env.write_txn()?;
+            let mut meta = db.get(&txn, uuid.as_bytes())?.expect("unexisting index");
             match f(index) {
                 Ok(r) => {
                     meta.updated_at = Utc::now();
-                self.meta_store.write().await.insert(uuid, meta);
+                    db.put(&mut txn, uuid.as_bytes(), &meta)?;
+                    txn.commit()?;
                     Ok(r)
                 }
                 Err(e) => Err(e),
             }
+        })
+        .await
+        .expect("thread died")
+    }
+
+    async fn get(&self, uuid: Uuid) -> Result<Option<Index>> {
+        let guard = self.index_store.read().await;
+        match guard.get(&uuid) {
+            Some(index) => Ok(Some(index.clone())),
+            None => {
+                // drop the guard here so we can perform the write after without deadlocking;
+                drop(guard);
+                let path = self.path.join(format!("index-{}", uuid));
+                if !path.exists() {
+                    return Ok(None);
+                }
+
+                // TODO: set this info from the database
+                let index = spawn_blocking(|| open_index(path, 4096 * 100_000))
+                    .await
+                    .expect("thread died")?;
+                self.index_store
+                    .write()
+                    .await
+                    .insert(uuid.clone(), index.clone());
+                println!("here");
+                Ok(Some(index))
+            }
+        }
+    }
+
+    async fn delete(&self, uuid: Uuid) -> Result<Option<Index>> {
+        let env = self.env.clone();
+        let db = self.db.clone();
+        let db_path = self.path.join(format!("index-{}", uuid));
+        spawn_blocking(move || -> Result<()> {
+            let mut txn = env.write_txn()?;
+            db.delete(&mut txn, uuid.as_bytes())?;
+            txn.commit()?;
+            remove_dir_all(db_path).unwrap();
+            Ok(())
+        })
+        .await
+        .expect("thread died")?;
+        let index = self.index_store.write().await.remove(&uuid);
+        Ok(index)
+    }
+
+    async fn get_meta(&self, uuid: Uuid) -> Result<Option<IndexMeta>> {
+        let env = self.env.clone();
+        let db = self.db.clone();
+        spawn_blocking(move || {
+            let txn = env.read_txn()?;
+            let meta = db.get(&txn, uuid.as_bytes())?;
+            Ok(meta)
+        })
+        .await
+        .expect("thread died")
     }
 }
 
-impl MapIndexStore {
+fn open_index(path: impl AsRef<Path>, size: usize) -> Result<Index> {
-    fn new(root: impl AsRef<Path>) -> Self {
+    create_dir_all(&path).expect("can't create db");
-        let mut root = root.as_ref().to_owned();
+    let mut options = EnvOpenOptions::new();
-        root.push("indexes/");
+    options.map_size(size);
-        let meta_store = Arc::new(RwLock::new(HashMap::new()));
+    let index = milli::Index::new(options, &path).map_err(|e| IndexError::Error(e))?;
-        let index_store = Arc::new(RwLock::new(HashMap::new()));
+    Ok(Index(Arc::new(index)))
-        Self {
-            meta_store,
-            index_store,
-            root,
-        }
-    }
 }

meilisearch-http/src/index_controller/local_index_controller/index_store.rs

@@ -12,8 +12,7 @@ use heed::{
 };
 use log::{error, info};
 use milli::Index;
-use rayon::ThreadPool;
+use rayon::ThreadPool; use serde::{Deserialize, Serialize};
-use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
 use super::update_handler::UpdateHandler;

meilisearch-http/src/index_controller/mod.rs

@@ -71,7 +71,7 @@ impl IndexController {
     pub fn new(path: impl AsRef<Path>) -> anyhow::Result<Self> {
         let uuid_resolver = uuid_resolver::UuidResolverHandle::new(&path)?;
         let index_actor = index_actor::IndexActorHandle::new(&path)?;
-        let update_handle = update_actor::UpdateActorHandle::new(index_actor.clone(), &path);
+        let update_handle = update_actor::UpdateActorHandle::new(index_actor.clone(), &path)?;
         Ok(Self { uuid_resolver, index_handle: index_actor, update_handle })
     }
 

meilisearch-http/src/index_controller/update_actor.rs

@@ -68,10 +68,11 @@ where
     D: AsRef<[u8]> + Sized + 'static,
     S: UpdateStoreStore,
 {
-    fn new(store: S, inbox: mpsc::Receiver<UpdateMsg<D>>, path: impl AsRef<Path>) -> Self {
+    fn new(store: S, inbox: mpsc::Receiver<UpdateMsg<D>>, path: impl AsRef<Path>) -> anyhow::Result<Self> {
         let path = path.as_ref().to_owned().join("update_files");
-        create_dir_all(&path).unwrap();
+        create_dir_all(&path)?;
-        Self { store, inbox, path }
+        assert!(path.exists());
+        Ok(Self { store, inbox, path })
     }
 
     async fn run(mut self) {
@@ -211,15 +212,15 @@ impl<D> UpdateActorHandle<D>
 where
     D: AsRef<[u8]> + Sized + 'static + Sync + Send,
 {
-    pub fn new(index_handle: IndexActorHandle, path: impl AsRef<Path>) -> Self {
+    pub fn new(index_handle: IndexActorHandle, path: impl AsRef<Path>) -> anyhow::Result<Self> {
         let path = path.as_ref().to_owned().join("updates");
         let (sender, receiver) = mpsc::channel(100);
         let store = MapUpdateStoreStore::new(index_handle, &path);
-        let actor = UpdateActor::new(store, receiver, path);
+        let actor = UpdateActor::new(store, receiver, path)?;
 
         tokio::task::spawn(actor.run());
 
-        Self { sender }
+        Ok(Self { sender })
     }
 
     pub async fn update(

meilisearch-http/src/index_controller/uuid_resolver.rs

@@ -277,8 +277,7 @@ impl UuidStore for HeedUuidStore {
                 entries.push((name.to_owned(), uuid))
             }
             Ok(entries)
-        }).await?
+        }).await?  }
-    }
 }
 
 #[cfg(test)]

meilisearch-http/tests/common/server.rs

@@ -12,15 +12,17 @@ use super::service::Service;
 
 pub struct Server {
     pub service: Service,
+    // hod ownership to the tempdir while we use the server instance.
+    _dir: tempdir::TempDir,
 }
 
 impl Server {
     pub async fn new() -> Self {
-        let tmp_dir = TempDir::new("meilisearch").unwrap();
+        let dir = TempDir::new("meilisearch").unwrap();
 
         let opt = Opt {
-            db_path: tmp_dir.path().join("db"),
+            db_path: dir.path().join("db"),
-            dumps_dir: tmp_dir.path().join("dump"),
+            dumps_dir: dir.path().join("dump"),
             dump_batch_size: 16,
             http_addr: "127.0.0.1:7700".to_owned(),
             master_key: None,
@@ -55,6 +57,7 @@ impl Server {
 
         Server {
             service,
+            _dir: dir,
         }
     }
 

meilisearch-http/tests/settings/get_settings.rs

@@ -35,7 +35,8 @@ async fn update_settings_unknown_field() {
 async fn test_partial_update() {
     let server = Server::new().await;
     let index = server.index("test");
-    index.update_settings(json!({"displayedAttributes": ["foo"]})).await;
+    let (response, _code) = index.update_settings(json!({"displayedAttributes": ["foo"]})).await;
+    println!("response: {}", response);
     index.wait_update_id(0).await;
     let (response, code) = index.settings().await;
     assert_eq!(code, 200);