mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-26 23:04:26 +01:00
marin
GitHub
commit
cbcf50960f
@ -1,28 +1,27 @@
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use super::{DumpError, DumpInfo, DumpMsg, DumpResult, DumpStatus};
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use crate::helpers::compression;
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use crate::index_controller::{index_actor, update_actor, uuid_resolver, IndexMetadata};
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use async_stream::stream;
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use chrono::Utc;
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use log::{error, info, warn};
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use futures::stream::StreamExt;
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use log::{error, info};
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use std::{
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collections::HashSet,
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path::{Path, PathBuf},
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sync::Arc,
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};
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use tokio::sync::{mpsc, Mutex};
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use tokio::sync::{mpsc, oneshot, RwLock};
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use uuid::Uuid;
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pub struct DumpActor<UuidResolver, Index, Update> {
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inbox: mpsc::Receiver<DumpMsg>,
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inner: InnerDump<UuidResolver, Index, Update>,
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}
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pub const CONCURRENT_DUMP_MSG: usize = 10;
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#[derive(Clone)]
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struct InnerDump<UuidResolver, Index, Update> {
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pub uuid_resolver: UuidResolver,
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pub index: Index,
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pub update: Update,
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pub dump_path: PathBuf,
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pub dump_info: Arc<Mutex<Option<DumpInfo>>>,
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pub struct DumpActor<UuidResolver, Index, Update> {
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inbox: Option<mpsc::Receiver<DumpMsg>>,
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uuid_resolver: UuidResolver,
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index: Index,
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update: Update,
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dump_path: PathBuf,
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dump_info: Arc<RwLock<Option<DumpInfo>>>,
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}
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/// Generate uid from creation date
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@ -44,144 +43,93 @@ where
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dump_path: impl AsRef<Path>,
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) -> Self {
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Self {
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inbox,
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inner: InnerDump {
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uuid_resolver,
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index,
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update,
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dump_path: dump_path.as_ref().into(),
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dump_info: Arc::new(Mutex::new(None)),
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},
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inbox: Some(inbox),
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uuid_resolver,
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index,
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update,
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dump_path: dump_path.as_ref().into(),
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dump_info: Arc::new(RwLock::new(None)),
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}
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}
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pub async fn run(mut self) {
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use DumpMsg::*;
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info!("Started dump actor.");
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loop {
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match self.inbox.recv().await {
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Some(CreateDump { ret }) => {
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let _ = ret.send(self.inner.clone().handle_create_dump().await);
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let mut inbox = self
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.inbox
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.take()
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.expect("Dump Actor must have a inbox at this point.");
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let stream = stream! {
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loop {
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match inbox.recv().await {
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Some(msg) => yield msg,
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None => break,
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}
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Some(DumpInfo { ret, uid }) => {
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let _ = ret.send(self.inner.handle_dump_info(uid).await);
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}
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None => break,
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}
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}
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};
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stream
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.for_each_concurrent(Some(CONCURRENT_DUMP_MSG), |msg| self.handle_message(msg))
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.await;
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error!("Dump actor stopped.");
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}
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}
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impl<UuidResolver, Index, Update> InnerDump<UuidResolver, Index, Update>
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where
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UuidResolver: uuid_resolver::UuidResolverHandle + Send + Sync + Clone + 'static,
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Index: index_actor::IndexActorHandle + Send + Sync + Clone + 'static,
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Update: update_actor::UpdateActorHandle + Send + Sync + Clone + 'static,
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{
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async fn handle_create_dump(self) -> DumpResult<DumpInfo> {
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async fn handle_message(&self, msg: DumpMsg) {
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use DumpMsg::*;
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match msg {
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CreateDump { ret } => {
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let _ = self.handle_create_dump(ret).await;
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}
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DumpInfo { ret, uid } => {
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let _ = ret.send(self.handle_dump_info(uid).await);
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}
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}
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}
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async fn handle_create_dump(&self, ret: oneshot::Sender<DumpResult<DumpInfo>>) {
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if self.is_running().await {
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return Err(DumpError::DumpAlreadyRunning);
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ret.send(Err(DumpError::DumpAlreadyRunning))
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.expect("Dump actor is dead");
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return;
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}
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let uid = generate_uid();
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let info = DumpInfo::new(uid.clone(), DumpStatus::InProgress);
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*self.dump_info.lock().await = Some(info.clone());
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*self.dump_info.write().await = Some(info.clone());
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let this = self.clone();
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ret.send(Ok(info)).expect("Dump actor is dead");
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tokio::task::spawn(async move {
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match this.perform_dump(uid).await {
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Ok(()) => {
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if let Some(ref mut info) = *self.dump_info.lock().await {
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info.done();
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} else {
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warn!("dump actor was in an inconsistant state");
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}
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info!("Dump succeed");
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}
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Err(e) => {
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if let Some(ref mut info) = *self.dump_info.lock().await {
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info.with_error(e.to_string());
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} else {
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warn!("dump actor was in an inconsistant state");
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}
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error!("Dump failed: {}", e);
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}
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};
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});
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let dump_info = self.dump_info.clone();
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Ok(info)
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}
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let task_result = tokio::task::spawn(perform_dump(
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self.dump_path.clone(),
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self.uuid_resolver.clone(),
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self.index.clone(),
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self.update.clone(),
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uid.clone(),
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))
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.await;
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async fn perform_dump(self, uid: String) -> anyhow::Result<()> {
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info!("Performing dump.");
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let dump_dir = self.dump_path.clone();
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tokio::fs::create_dir_all(&dump_dir).await?;
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let temp_dump_dir =
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tokio::task::spawn_blocking(move || tempfile::tempdir_in(dump_dir)).await??;
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let temp_dump_path = temp_dump_dir.path().to_owned();
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let uuids = self.uuid_resolver.list().await?;
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// maybe we could just keep the vec as-is
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let uuids: HashSet<(String, Uuid)> = uuids.into_iter().collect();
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if uuids.is_empty() {
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return Ok(());
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}
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let indexes = self.list_indexes().await?;
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// we create one directory by index
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for meta in indexes.iter() {
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tokio::fs::create_dir(temp_dump_path.join(&meta.uid)).await?;
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}
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let metadata = super::Metadata::new(indexes, env!("CARGO_PKG_VERSION").to_string());
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metadata.to_path(&temp_dump_path).await?;
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self.update.dump(uuids, temp_dump_path.clone()).await?;
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let dump_dir = self.dump_path.clone();
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let dump_path = self.dump_path.join(format!("{}.dump", uid));
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let dump_path = tokio::task::spawn_blocking(move || -> anyhow::Result<PathBuf> {
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let temp_dump_file = tempfile::NamedTempFile::new_in(dump_dir)?;
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let temp_dump_file_path = temp_dump_file.path().to_owned();
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compression::to_tar_gz(temp_dump_path, temp_dump_file_path)?;
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temp_dump_file.persist(&dump_path)?;
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Ok(dump_path)
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})
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.await??;
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info!("Created dump in {:?}.", dump_path);
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Ok(())
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}
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async fn list_indexes(&self) -> anyhow::Result<Vec<IndexMetadata>> {
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let uuids = self.uuid_resolver.list().await?;
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let mut ret = Vec::new();
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for (uid, uuid) in uuids {
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let meta = self.index.get_index_meta(uuid).await?;
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let meta = IndexMetadata {
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uuid,
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name: uid.clone(),
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uid,
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meta,
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};
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ret.push(meta);
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}
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Ok(ret)
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match task_result {
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Ok(Ok(())) => {
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(*dump_info.write().await).as_mut().expect("Inconsistent dump service state").done();
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info!("Dump succeed");
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}
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Ok(Err(e)) => {
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(*dump_info.write().await).as_mut().expect("Inconsistent dump service state").with_error(e.to_string());
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error!("Dump failed: {}", e);
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}
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Err(_) => {
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error!("Dump panicked. Dump status set to failed");
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*dump_info.write().await = Some(DumpInfo::new(uid, DumpStatus::Failed));
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}
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};
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}
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async fn handle_dump_info(&self, uid: String) -> DumpResult<DumpInfo> {
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match &*self.dump_info.lock().await {
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match &*self.dump_info.read().await {
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None => self.dump_from_fs(uid).await,
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Some(DumpInfo { uid: ref s, .. }) if &uid != s => self.dump_from_fs(uid).await,
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Some(info) => Ok(info.clone()),
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@ -198,7 +146,7 @@ where
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async fn is_running(&self) -> bool {
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matches!(
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*self.dump_info.lock().await,
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*self.dump_info.read().await,
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Some(DumpInfo {
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status: DumpStatus::InProgress,
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..
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@ -206,3 +154,85 @@ where
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)
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}
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}
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async fn perform_dump<UuidResolver, Index, Update>(
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dump_path: PathBuf,
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uuid_resolver: UuidResolver,
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index: Index,
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update: Update,
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uid: String,
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) -> anyhow::Result<()>
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where
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UuidResolver: uuid_resolver::UuidResolverHandle + Send + Sync + Clone + 'static,
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Index: index_actor::IndexActorHandle + Send + Sync + Clone + 'static,
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Update: update_actor::UpdateActorHandle + Send + Sync + Clone + 'static,
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{
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info!("Performing dump.");
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let dump_dir = dump_path.clone();
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tokio::fs::create_dir_all(&dump_dir).await?;
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let temp_dump_dir =
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tokio::task::spawn_blocking(move || tempfile::tempdir_in(dump_dir)).await??;
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let temp_dump_path = temp_dump_dir.path().to_owned();
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let uuids = uuid_resolver.list().await?;
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// maybe we could just keep the vec as-is
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let uuids: HashSet<(String, Uuid)> = uuids.into_iter().collect();
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if uuids.is_empty() {
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return Ok(());
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}
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let indexes = list_indexes(&uuid_resolver, &index).await?;
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// we create one directory by index
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for meta in indexes.iter() {
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tokio::fs::create_dir(temp_dump_path.join(&meta.uid)).await?;
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}
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let metadata = super::Metadata::new(indexes, env!("CARGO_PKG_VERSION").to_string());
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metadata.to_path(&temp_dump_path).await?;
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update.dump(uuids, temp_dump_path.clone()).await?;
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let dump_dir = dump_path.clone();
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let dump_path = dump_path.join(format!("{}.dump", uid));
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let dump_path = tokio::task::spawn_blocking(move || -> anyhow::Result<PathBuf> {
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let temp_dump_file = tempfile::NamedTempFile::new_in(dump_dir)?;
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let temp_dump_file_path = temp_dump_file.path().to_owned();
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compression::to_tar_gz(temp_dump_path, temp_dump_file_path)?;
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temp_dump_file.persist(&dump_path)?;
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Ok(dump_path)
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})
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.await??;
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info!("Created dump in {:?}.", dump_path);
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Ok(())
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}
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async fn list_indexes<UuidResolver, Index>(
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uuid_resolver: &UuidResolver,
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index: &Index,
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) -> anyhow::Result<Vec<IndexMetadata>>
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where
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UuidResolver: uuid_resolver::UuidResolverHandle,
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Index: index_actor::IndexActorHandle,
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{
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let uuids = uuid_resolver.list().await?;
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let mut ret = Vec::new();
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for (uid, uuid) in uuids {
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let meta = index.get_index_meta(uuid).await?;
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let meta = IndexMetadata {
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uuid,
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name: uid.clone(),
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uid,
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meta,
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};
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ret.push(meta);
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}
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Ok(ret)
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}
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@ -13,7 +13,6 @@ use milli::update::{IndexDocumentsMethod, UpdateBuilder, UpdateFormat};
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#[cfg(test)]
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use mockall::automock;
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use serde::{Deserialize, Serialize};
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use serde_json::json;
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use tempfile::TempDir;
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use thiserror::Error;
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use uuid::Uuid;
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@ -128,8 +127,8 @@ pub enum DumpStatus {
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pub struct DumpInfo {
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pub uid: String,
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pub status: DumpStatus,
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#[serde(skip_serializing_if = "Option::is_none", flatten)]
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pub error: Option<serde_json::Value>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub error: Option<String>,
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}
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impl DumpInfo {
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@ -143,7 +142,7 @@ impl DumpInfo {
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pub fn with_error(&mut self, error: String) {
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self.status = DumpStatus::Failed;
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self.error = Some(json!(error));
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self.error = Some(error);
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}
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pub fn done(&mut self) {
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