mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-25 22:34:28 +01:00
move DumpHandler to own module
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ad hoc
parent
f0aceb4fba
commit
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89
meilisearch-lib/src/dump/handler.rs
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89
meilisearch-lib/src/dump/handler.rs
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@ -0,0 +1,89 @@
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use std::{fs::File, path::PathBuf, sync::Arc};
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use log::{info, trace};
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use meilisearch_auth::AuthController;
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use milli::heed::Env;
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use time::{macros::format_description, OffsetDateTime};
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use tokio::fs::create_dir_all;
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use crate::analytics;
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use crate::compression::to_tar_gz;
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use crate::dump::error::{DumpError, Result};
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use crate::dump::{MetadataVersion, META_FILE_NAME};
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use crate::index_resolver::{index_store::IndexStore, meta_store::IndexMetaStore, IndexResolver};
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use crate::tasks::TaskStore;
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use crate::update_file_store::UpdateFileStore;
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/// Generate uid from creation date
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pub fn generate_uid() -> String {
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OffsetDateTime::now_utc()
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.format(format_description!(
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"[year repr:full][month repr:numerical][day padding:zero]-[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"
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))
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.unwrap()
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}
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pub struct DumpHandler<U, I> {
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pub dump_path: PathBuf,
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pub db_path: PathBuf,
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pub update_file_store: UpdateFileStore,
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pub task_store_size: usize,
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pub index_db_size: usize,
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pub env: Arc<Env>,
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pub index_resolver: Arc<IndexResolver<U, I>>,
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}
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impl<U, I> DumpHandler<U, I>
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where
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U: IndexMetaStore + Sync + Send + 'static,
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I: IndexStore + Sync + Send + 'static,
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{
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pub async fn run(&self, uid: String) -> Result<()> {
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trace!("Performing dump.");
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create_dir_all(&self.dump_path).await?;
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let temp_dump_dir = tokio::task::spawn_blocking(tempfile::TempDir::new).await??;
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let temp_dump_path = temp_dump_dir.path().to_owned();
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let meta = MetadataVersion::new_v5(self.index_db_size, self.task_store_size);
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let meta_path = temp_dump_path.join(META_FILE_NAME);
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// TODO: blocking
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let mut meta_file = File::create(&meta_path)?;
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serde_json::to_writer(&mut meta_file, &meta)?;
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analytics::copy_user_id(&self.db_path, &temp_dump_path);
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create_dir_all(&temp_dump_path.join("indexes")).await?;
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// TODO: this is blocking!!
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AuthController::dump(&self.db_path, &temp_dump_path)?;
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TaskStore::dump(
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self.env.clone(),
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&temp_dump_path,
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self.update_file_store.clone(),
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)
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.await?;
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self.index_resolver.dump(&temp_dump_path).await?;
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let dump_path = self.dump_path.clone();
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let dump_path = tokio::task::spawn_blocking(move || -> Result<PathBuf> {
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// for now we simply copy the updates/updates_files
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// FIXME: We may copy more files than necessary, if new files are added while we are
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// performing the dump. We need a way to filter them out.
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let temp_dump_file = tempfile::NamedTempFile::new_in(&dump_path)?;
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to_tar_gz(temp_dump_path, temp_dump_file.path())
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.map_err(|e| DumpError::Internal(e.into()))?;
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let dump_path = dump_path.join(uid).with_extension("dump");
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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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}
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@ -1,37 +1,24 @@
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use std::fs::File;
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use std::path::{Path, PathBuf};
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use std::sync::Arc;
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use std::path::Path;
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use anyhow::bail;
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use log::{info, trace};
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use meilisearch_auth::AuthController;
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use milli::heed::Env;
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use log::info;
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use serde::{Deserialize, Serialize};
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use time::OffsetDateTime;
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use tempfile::TempDir;
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use time::macros::format_description;
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use tokio::fs::create_dir_all;
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use crate::analytics;
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use crate::compression::{from_tar_gz, to_tar_gz};
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use crate::dump::error::DumpError;
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use crate::index_resolver::index_store::IndexStore;
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use crate::index_resolver::meta_store::IndexMetaStore;
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use crate::index_resolver::IndexResolver;
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use crate::compression::from_tar_gz;
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use crate::options::IndexerOpts;
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use crate::tasks::TaskStore;
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use crate::update_file_store::UpdateFileStore;
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use error::Result;
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use self::loaders::{v2, v3, v4};
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// mod actor;
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pub use handler::{generate_uid, DumpHandler};
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mod compat;
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pub mod error;
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// mod handle_impl;
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mod handler;
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mod loaders;
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// mod message;
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const META_FILE_NAME: &str = "metadata.json";
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@ -268,79 +255,6 @@ fn persist_dump(dst_path: impl AsRef<Path>, tmp_dst: TempDir) -> anyhow::Result<
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Ok(())
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}
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/// Generate uid from creation date
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pub fn generate_uid() -> String {
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OffsetDateTime::now_utc()
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.format(format_description!(
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"[year repr:full][month repr:numerical][day padding:zero]-[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"
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))
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.unwrap()
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}
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pub struct DumpHandler<U, I> {
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pub dump_path: PathBuf,
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pub db_path: PathBuf,
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pub update_file_store: UpdateFileStore,
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pub task_store_size: usize,
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pub index_db_size: usize,
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pub env: Arc<Env>,
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pub index_resolver: Arc<IndexResolver<U, I>>,
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}
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impl<U, I> DumpHandler<U, I>
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where
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U: IndexMetaStore + Sync + Send + 'static,
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I: IndexStore + Sync + Send + 'static,
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{
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pub async fn run(&self, uid: String) -> Result<()> {
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trace!("Performing dump.");
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create_dir_all(&self.dump_path).await?;
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let temp_dump_dir = tokio::task::spawn_blocking(tempfile::TempDir::new).await??;
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let temp_dump_path = temp_dump_dir.path().to_owned();
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let meta = MetadataVersion::new_v5(self.index_db_size, self.task_store_size);
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let meta_path = temp_dump_path.join(META_FILE_NAME);
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let mut meta_file = File::create(&meta_path)?;
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serde_json::to_writer(&mut meta_file, &meta)?;
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analytics::copy_user_id(&self.db_path, &temp_dump_path);
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create_dir_all(&temp_dump_path.join("indexes")).await?;
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// TODO: this is blocking!!
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AuthController::dump(&self.db_path, &temp_dump_path)?;
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TaskStore::dump(
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self.env.clone(),
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&temp_dump_path,
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self.update_file_store.clone(),
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)
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.await?;
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self.index_resolver.dump(&temp_dump_path).await?;
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let dump_path = self.dump_path.clone();
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let dump_path = tokio::task::spawn_blocking(move || -> Result<PathBuf> {
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// for now we simply copy the updates/updates_files
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// FIXME: We may copy more files than necessary, if new files are added while we are
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// performing the dump. We need a way to filter them out.
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let temp_dump_file = tempfile::NamedTempFile::new_in(&dump_path)?;
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to_tar_gz(temp_dump_path, temp_dump_file.path())
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.map_err(|e| DumpError::Internal(e.into()))?;
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let dump_path = dump_path.join(uid).with_extension("dump");
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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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}
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#[cfg(test)]
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mod test {
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use nelson::Mocker;
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