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Code Issues Releases Wiki Activity

fix the error handling in case there is a panic while creating a dump

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This commit is contained in:
tamo 2021-05-24 17:33:42 +02:00
parent 529f7962f4
commit dcf29e1081
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GPG Key ID: 20CD8020AFA88D69
2 changed files with 35 additions and 29 deletions
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59
meilisearch-http/src/index_controller/dump_actor/actor.rs
View File

@ -10,7 +10,7 @@ use std::{
path::{Path, PathBuf}, path::{Path, PathBuf},
sync::Arc, sync::Arc,
}; };
use tokio::sync::{mpsc, Mutex}; use tokio::sync::{mpsc, oneshot, Mutex};
use uuid::Uuid; use uuid::Uuid;
pub const CONCURRENT_DUMP_MSG: usize = 10; pub const CONCURRENT_DUMP_MSG: usize = 10;
@ -88,7 +88,7 @@ where
match msg { match msg {
CreateDump { ret } => { CreateDump { ret } => {
let _ = ret.send(self.inner.clone().handle_create_dump().await); let _ = self.inner.clone().handle_create_dump(ret).await;
} }
DumpInfo { ret, uid } => { DumpInfo { ret, uid } => {
let _ = ret.send(self.inner.handle_dump_info(uid).await); let _ = ret.send(self.inner.handle_dump_info(uid).await);
@ -103,38 +103,45 @@ where
Index: index_actor::IndexActorHandle + Send + Sync + Clone + 'static, Index: index_actor::IndexActorHandle + Send + Sync + Clone + 'static,
Update: update_actor::UpdateActorHandle + Send + Sync + Clone + 'static, Update: update_actor::UpdateActorHandle + Send + Sync + Clone + 'static,
{ {
async fn handle_create_dump(self) -> DumpResult<DumpInfo> { async fn handle_create_dump(self, ret: oneshot::Sender<DumpResult<DumpInfo>>) {
if self.is_running().await { if self.is_running().await {
return Err(DumpError::DumpAlreadyRunning); ret.send(Err(DumpError::DumpAlreadyRunning))
.expect("Dump actor is dead");
return;
} }
let uid = generate_uid(); let uid = generate_uid();
let info = DumpInfo::new(uid.clone(), DumpStatus::InProgress); let info = DumpInfo::new(uid.clone(), DumpStatus::InProgress);
*self.dump_info.lock().await = Some(info.clone()); *self.dump_info.lock().await = Some(info.clone());
let this = self.clone(); ret.send(Ok(info)).expect("Dump actor is dead");
tokio::task::spawn(async move { let dump_info = self.dump_info.clone();
match this.perform_dump(uid).await { let cloned_uid = uid.clone();
Ok(()) => {
if let Some(ref mut info) = *self.dump_info.lock().await {
info.done();
} else {
warn!("dump actor was in an inconsistant state");
}
info!("Dump succeed");
}
Err(e) => {
if let Some(ref mut info) = *self.dump_info.lock().await {
info.with_error(e.to_string());
} else {
warn!("dump actor was in an inconsistant state");
}
error!("Dump failed: {}", e);
}
};
});
Ok(info) let task_result = tokio::task::spawn(self.clone().perform_dump(cloned_uid)).await;
match task_result {
Ok(Ok(())) => {
if let Some(ref mut info) = *dump_info.lock().await {
info.done();
} else {
warn!("dump actor was in an inconsistant state");
}
info!("Dump succeed");
}
Ok(Err(e)) => {
if let Some(ref mut info) = *dump_info.lock().await {
info.with_error(e.to_string());
} else {
warn!("dump actor was in an inconsistant state");
}
error!("Dump failed: {}", e);
}
Err(_) => {
error!("Dump panicked. Dump status set to failed");
*dump_info.lock().await = Some(DumpInfo::new(uid, DumpStatus::Failed));
}
};
} }
async fn perform_dump(self, uid: String) -> anyhow::Result<()> { async fn perform_dump(self, uid: String) -> anyhow::Result<()> {

5
meilisearch-http/src/index_controller/dump_actor/mod.rs
View File

@ -13,7 +13,6 @@ use milli::update::{IndexDocumentsMethod, UpdateBuilder, UpdateFormat};
#[cfg(test)] #[cfg(test)]
use mockall::automock; use mockall::automock;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use serde_json::json;
use tempfile::TempDir; use tempfile::TempDir;
use thiserror::Error; use thiserror::Error;
use uuid::Uuid; use uuid::Uuid;
@ -129,7 +128,7 @@ pub struct DumpInfo {
pub uid: String, pub uid: String,
pub status: DumpStatus, pub status: DumpStatus,
#[serde(skip_serializing_if = "Option::is_none", flatten)] #[serde(skip_serializing_if = "Option::is_none", flatten)]
pub error: Option<serde_json::Value>, pub error: Option<String>,
} }
impl DumpInfo { impl DumpInfo {
@ -143,7 +142,7 @@ impl DumpInfo {
pub fn with_error(&mut self, error: String) { pub fn with_error(&mut self, error: String) {
self.status = DumpStatus::Failed; self.status = DumpStatus::Failed;
self.error = Some(json!(error)); self.error = Some(error);
} }
pub fn done(&mut self) { pub fn done(&mut self) {