Use weak ptr in panic handler

4617: Destructure `EmbedderOptions` so we don't miss some options r=dureuill a=dureuill

# Pull Request

## Related issue
#4595 was caused by the code not destructuring the embedder options.


## What does this PR do?
This PR adds the missing `url` parameter for ollama, and makes sure similar issue cannot happen in the future



Co-authored-by: Louis Dureuil <louis@meilisearch.com>

meilisearch/src/routes/mod.rs

@@ -367,12 +367,6 @@ async fn get_version(
     })
 }
 
-#[derive(Serialize)]
-struct KeysResponse {
-    private: Option<String>,
-    public: Option<String>,
-}
-
 pub async fn get_health(
     index_scheduler: Data<IndexScheduler>,
     auth_controller: Data<AuthController>,

milli/src/thread_pool_no_abort.rs

@@ -34,7 +34,7 @@ impl ThreadPoolNoAbort {
 }
 
 #[derive(Error, Debug)]
-#[error("A panic occured. Read the logs to find more information about it")]
+#[error("A panic occurred. Read the logs to find more information about it")]
 pub struct PanicCatched;
 
 #[derive(Default)]
@@ -61,9 +61,28 @@ impl ThreadPoolNoAbortBuilder {
     pub fn build(mut self) -> Result<ThreadPoolNoAbort, rayon::ThreadPoolBuildError> {
         let pool_catched_panic = Arc::new(AtomicBool::new(false));
         self.0 = self.0.panic_handler({
-            let catched_panic = pool_catched_panic.clone();
+            let catched_panic = Arc::downgrade(&pool_catched_panic);
-            move |_result| catched_panic.store(true, Ordering::SeqCst)
+            move |_result| {
+                if let Some(catched_panic) = catched_panic.upgrade() {
+                    catched_panic.store(true, Ordering::SeqCst)
+                }
+            }
         });
         Ok(ThreadPoolNoAbort { thread_pool: self.0.build()?, pool_catched_panic })
     }
 }
+
+#[cfg(test)]
+mod test {
+    use std::sync::Arc;
+
+    use crate::ThreadPoolNoAbortBuilder;
+
+    #[test]
+    fn drop_pool() {
+        let pool = ThreadPoolNoAbortBuilder::new().num_threads(10).build().unwrap();
+        let caught_panic = Arc::downgrade(&pool.pool_catched_panic);
+        drop(pool);
+        assert_eq!(caught_panic.strong_count(), 0);
+    }
+}

milli/src/vector/settings.rs

@@ -301,10 +301,14 @@ impl From<EmbeddingConfig> for EmbeddingSettings {
     fn from(value: EmbeddingConfig) -> Self {
         let EmbeddingConfig { embedder_options, prompt } = value;
         match embedder_options {
-            super::EmbedderOptions::HuggingFace(options) => Self {
+            super::EmbedderOptions::HuggingFace(super::hf::EmbedderOptions {
+                model,
+                revision,
+                distribution,
+            }) => Self {
                 source: Setting::Set(EmbedderSource::HuggingFace),
-                model: Setting::Set(options.model),
+                model: Setting::Set(model),
-                revision: options.revision.map(Setting::Set).unwrap_or_default(),
+                revision: revision.map(Setting::Set).unwrap_or_default(),
                 api_key: Setting::NotSet,
                 dimensions: Setting::NotSet,
                 document_template: Setting::Set(prompt.template),
@@ -314,14 +318,19 @@ impl From<EmbeddingConfig> for EmbeddingSettings {
                 path_to_embeddings: Setting::NotSet,
                 embedding_object: Setting::NotSet,
                 input_type: Setting::NotSet,
-                distribution: options.distribution.map(Setting::Set).unwrap_or_default(),
+                distribution: distribution.map(Setting::Set).unwrap_or_default(),
             },
-            super::EmbedderOptions::OpenAi(options) => Self {
+            super::EmbedderOptions::OpenAi(super::openai::EmbedderOptions {
+                api_key,
+                embedding_model,
+                dimensions,
+                distribution,
+            }) => Self {
                 source: Setting::Set(EmbedderSource::OpenAi),
-                model: Setting::Set(options.embedding_model.name().to_owned()),
+                model: Setting::Set(embedding_model.name().to_owned()),
                 revision: Setting::NotSet,
-                api_key: options.api_key.map(Setting::Set).unwrap_or_default(),
+                api_key: api_key.map(Setting::Set).unwrap_or_default(),
-                dimensions: options.dimensions.map(Setting::Set).unwrap_or_default(),
+                dimensions: dimensions.map(Setting::Set).unwrap_or_default(),
                 document_template: Setting::Set(prompt.template),
                 url: Setting::NotSet,
                 query: Setting::NotSet,
@@ -329,29 +338,37 @@ impl From<EmbeddingConfig> for EmbeddingSettings {
                 path_to_embeddings: Setting::NotSet,
                 embedding_object: Setting::NotSet,
                 input_type: Setting::NotSet,
-                distribution: options.distribution.map(Setting::Set).unwrap_or_default(),
+                distribution: distribution.map(Setting::Set).unwrap_or_default(),
             },
-            super::EmbedderOptions::Ollama(options) => Self {
+            super::EmbedderOptions::Ollama(super::ollama::EmbedderOptions {
+                embedding_model,
+                url,
+                api_key,
+                distribution,
+            }) => Self {
                 source: Setting::Set(EmbedderSource::Ollama),
-                model: Setting::Set(options.embedding_model.to_owned()),
+                model: Setting::Set(embedding_model),
                 revision: Setting::NotSet,
-                api_key: options.api_key.map(Setting::Set).unwrap_or_default(),
+                api_key: api_key.map(Setting::Set).unwrap_or_default(),
                 dimensions: Setting::NotSet,
                 document_template: Setting::Set(prompt.template),
-                url: Setting::NotSet,
+                url: url.map(Setting::Set).unwrap_or_default(),
                 query: Setting::NotSet,
                 input_field: Setting::NotSet,
                 path_to_embeddings: Setting::NotSet,
                 embedding_object: Setting::NotSet,
                 input_type: Setting::NotSet,
-                distribution: options.distribution.map(Setting::Set).unwrap_or_default(),
+                distribution: distribution.map(Setting::Set).unwrap_or_default(),
             },
-            super::EmbedderOptions::UserProvided(options) => Self {
+            super::EmbedderOptions::UserProvided(super::manual::EmbedderOptions {
+                dimensions,
+                distribution,
+            }) => Self {
                 source: Setting::Set(EmbedderSource::UserProvided),
                 model: Setting::NotSet,
                 revision: Setting::NotSet,
                 api_key: Setting::NotSet,
-                dimensions: Setting::Set(options.dimensions),
+                dimensions: Setting::Set(dimensions),
                 document_template: Setting::NotSet,
                 url: Setting::NotSet,
                 query: Setting::NotSet,
@@ -359,7 +376,7 @@ impl From<EmbeddingConfig> for EmbeddingSettings {
                 path_to_embeddings: Setting::NotSet,
                 embedding_object: Setting::NotSet,
                 input_type: Setting::NotSet,
-                distribution: options.distribution.map(Setting::Set).unwrap_or_default(),
+                distribution: distribution.map(Setting::Set).unwrap_or_default(),
             },
             super::EmbedderOptions::Rest(super::rest::EmbedderOptions {
                 api_key,