mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-24 13:54:26 +01:00
349 lines
12 KiB
Rust
349 lines
12 KiB
Rust
//! Here is what a dump v5 look like.
|
||
//!
|
||
//! ```text
|
||
//! .
|
||
//! ├── indexes
|
||
//! │ ├── 22c269d8-fbbd-4416-bd46-7c7c02849325
|
||
//! │ │ ├── documents.jsonl
|
||
//! │ │ └── meta.json
|
||
//! │ ├── 6d0471ba-2ed1-41de-8ea6-10db10fa2bb8
|
||
//! │ │ ├── documents.jsonl
|
||
//! │ │ └── meta.json
|
||
//! │ └── f7d53ec4-0748-48e6-b66f-1fca9944b0fa
|
||
//! │ ├── documents.jsonl
|
||
//! │ └── meta.json
|
||
//! ├── index_uuids
|
||
//! │ └── data.jsonl
|
||
//! ├── instance-uid
|
||
//! ├── keys
|
||
//! ├── metadata.json
|
||
//! └── updates
|
||
//! ├── data.jsonl
|
||
//! └── updates_files
|
||
//! └── c83a004a-da98-4b94-b245-3256266c7281
|
||
//! ```
|
||
//!
|
||
//! Here is what `index_uuids/data.jsonl` looks like;
|
||
//!
|
||
//! ```json
|
||
//! {"uid":"dnd_spells","index_meta":{"uuid":"22c269d8-fbbd-4416-bd46-7c7c02849325","creation_task_id":9}}
|
||
//! {"uid":"movies","index_meta":{"uuid":"6d0471ba-2ed1-41de-8ea6-10db10fa2bb8","creation_task_id":1}}
|
||
//! {"uid":"products","index_meta":{"uuid":"f7d53ec4-0748-48e6-b66f-1fca9944b0fa","creation_task_id":4}}
|
||
//! ```
|
||
//!
|
||
|
||
use std::fs::{self, File};
|
||
use std::io::{BufRead, BufReader, ErrorKind, Seek, SeekFrom};
|
||
use std::path::Path;
|
||
|
||
use serde::{Deserialize, Serialize};
|
||
use tempfile::TempDir;
|
||
use time::OffsetDateTime;
|
||
use uuid::Uuid;
|
||
|
||
use super::compat::v5_to_v6::CompatV5ToV6;
|
||
use super::Document;
|
||
use crate::{Error, IndexMetadata, Result, Version};
|
||
|
||
pub mod errors;
|
||
pub mod keys;
|
||
pub mod meta;
|
||
pub mod settings;
|
||
pub mod tasks;
|
||
|
||
pub type Settings<T> = settings::Settings<T>;
|
||
pub type Checked = settings::Checked;
|
||
pub type Unchecked = settings::Unchecked;
|
||
|
||
pub type Task = tasks::Task;
|
||
pub type Key = keys::Key;
|
||
|
||
// ===== Other types to clarify the code of the compat module
|
||
// everything related to the tasks
|
||
pub type Status = tasks::TaskStatus;
|
||
pub type Details = tasks::TaskDetails;
|
||
|
||
// everything related to the settings
|
||
pub type Setting<T> = settings::Setting<T>;
|
||
pub type TypoTolerance = settings::TypoSettings;
|
||
pub type MinWordSizeForTypos = settings::MinWordSizeTyposSetting;
|
||
|
||
// everything related to the api keys
|
||
pub type Action = keys::Action;
|
||
pub type StarOr<T> = meta::StarOr<T>;
|
||
|
||
// everything related to the errors
|
||
pub type ResponseError = errors::ResponseError;
|
||
pub type Code = errors::Code;
|
||
|
||
#[derive(Serialize, Deserialize, Debug)]
|
||
#[serde(rename_all = "camelCase")]
|
||
pub struct Metadata {
|
||
db_version: String,
|
||
index_db_size: usize,
|
||
update_db_size: usize,
|
||
#[serde(with = "time::serde::rfc3339")]
|
||
dump_date: OffsetDateTime,
|
||
}
|
||
|
||
pub struct V5Reader {
|
||
dump: TempDir,
|
||
metadata: Metadata,
|
||
tasks: BufReader<File>,
|
||
keys: BufReader<File>,
|
||
index_uuid: Vec<meta::IndexUuid>,
|
||
}
|
||
|
||
impl V5Reader {
|
||
pub fn open(dump: TempDir) -> Result<Self> {
|
||
let meta_file = fs::read(dump.path().join("metadata.json"))?;
|
||
let metadata = serde_json::from_reader(&*meta_file)?;
|
||
let index_uuid = File::open(dump.path().join("index_uuids/data.jsonl"))?;
|
||
let index_uuid = BufReader::new(index_uuid);
|
||
let index_uuid = index_uuid
|
||
.lines()
|
||
.map(|line| -> Result<_> { Ok(serde_json::from_str(&line?)?) })
|
||
.collect::<Result<Vec<_>>>()?;
|
||
|
||
Ok(V5Reader {
|
||
metadata,
|
||
tasks: BufReader::new(
|
||
File::open(dump.path().join("updates").join("data.jsonl")).unwrap(),
|
||
),
|
||
keys: BufReader::new(File::open(dump.path().join("keys"))?),
|
||
index_uuid,
|
||
dump,
|
||
})
|
||
}
|
||
|
||
pub fn to_v6(self) -> CompatV5ToV6 {
|
||
CompatV5ToV6::new_v5(self)
|
||
}
|
||
|
||
pub fn version(&self) -> Version {
|
||
Version::V5
|
||
}
|
||
|
||
pub fn date(&self) -> Option<OffsetDateTime> {
|
||
Some(self.metadata.dump_date)
|
||
}
|
||
|
||
pub fn instance_uid(&self) -> Result<Option<Uuid>> {
|
||
match fs::read_to_string(self.dump.path().join("instance-uid")) {
|
||
Ok(uuid) => Ok(Some(Uuid::parse_str(&uuid)?)),
|
||
Err(e) if e.kind() == ErrorKind::NotFound => Ok(None),
|
||
Err(e) => Err(e.into()),
|
||
}
|
||
}
|
||
|
||
pub fn indexes(&self) -> Result<impl Iterator<Item = Result<V5IndexReader>> + '_> {
|
||
Ok(self.index_uuid.iter().map(|index| -> Result<_> {
|
||
V5IndexReader::new(
|
||
index.uid.clone(),
|
||
&self.dump.path().join("indexes").join(index.index_meta.uuid.to_string()),
|
||
)
|
||
}))
|
||
}
|
||
|
||
pub fn tasks(
|
||
&mut self,
|
||
) -> Box<dyn Iterator<Item = Result<(Task, Option<Box<super::UpdateFile>>)>> + '_> {
|
||
Box::new((&mut self.tasks).lines().map(|line| -> Result<_> {
|
||
let task: Task = serde_json::from_str(&line?)?;
|
||
if !task.is_finished() {
|
||
if let Some(uuid) = task.get_content_uuid() {
|
||
let update_file_path = self
|
||
.dump
|
||
.path()
|
||
.join("updates")
|
||
.join("updates_files")
|
||
.join(uuid.to_string());
|
||
Ok((
|
||
task,
|
||
Some(
|
||
Box::new(UpdateFile::new(&update_file_path)?) as Box<super::UpdateFile>
|
||
),
|
||
))
|
||
} else {
|
||
Ok((task, None))
|
||
}
|
||
} else {
|
||
Ok((task, None))
|
||
}
|
||
}))
|
||
}
|
||
|
||
pub fn keys(&mut self) -> Result<Box<dyn Iterator<Item = Result<Key>> + '_>> {
|
||
self.keys.seek(SeekFrom::Start(0))?;
|
||
Ok(Box::new(
|
||
(&mut self.keys).lines().map(|line| -> Result<_> { Ok(serde_json::from_str(&line?)?) }),
|
||
))
|
||
}
|
||
}
|
||
|
||
pub struct V5IndexReader {
|
||
metadata: IndexMetadata,
|
||
settings: Settings<Checked>,
|
||
|
||
documents: BufReader<File>,
|
||
}
|
||
|
||
impl V5IndexReader {
|
||
pub fn new(name: String, path: &Path) -> Result<Self> {
|
||
let meta = File::open(path.join("meta.json"))?;
|
||
let meta: meta::DumpMeta = serde_json::from_reader(meta)?;
|
||
|
||
let metadata = IndexMetadata {
|
||
uid: name,
|
||
primary_key: meta.primary_key,
|
||
// FIXME: Iterate over the whole task queue to find the creation and last update date.
|
||
created_at: OffsetDateTime::now_utc(),
|
||
updated_at: OffsetDateTime::now_utc(),
|
||
};
|
||
|
||
let ret = V5IndexReader {
|
||
metadata,
|
||
settings: meta.settings.check(),
|
||
documents: BufReader::new(File::open(path.join("documents.jsonl"))?),
|
||
};
|
||
|
||
Ok(ret)
|
||
}
|
||
|
||
pub fn metadata(&self) -> &IndexMetadata {
|
||
&self.metadata
|
||
}
|
||
|
||
pub fn documents(&mut self) -> Result<impl Iterator<Item = Result<Document>> + '_> {
|
||
Ok((&mut self.documents)
|
||
.lines()
|
||
.map(|line| -> Result<_> { Ok(serde_json::from_str(&line?)?) }))
|
||
}
|
||
|
||
pub fn settings(&mut self) -> Result<Settings<Checked>> {
|
||
Ok(self.settings.clone())
|
||
}
|
||
}
|
||
|
||
pub struct UpdateFile {
|
||
reader: BufReader<File>,
|
||
}
|
||
|
||
impl UpdateFile {
|
||
fn new(path: &Path) -> Result<Self> {
|
||
Ok(UpdateFile { reader: BufReader::new(File::open(path)?) })
|
||
}
|
||
}
|
||
|
||
impl Iterator for UpdateFile {
|
||
type Item = Result<Document>;
|
||
|
||
fn next(&mut self) -> Option<Self::Item> {
|
||
(&mut self.reader)
|
||
.lines()
|
||
.map(|line| {
|
||
line.map_err(Error::from)
|
||
.and_then(|line| serde_json::from_str(&line).map_err(Error::from))
|
||
})
|
||
.next()
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
pub(crate) mod test {
|
||
use std::fs::File;
|
||
use std::io::BufReader;
|
||
|
||
use flate2::bufread::GzDecoder;
|
||
use tempfile::TempDir;
|
||
|
||
use super::*;
|
||
|
||
#[test]
|
||
fn read_dump_v5() {
|
||
let dump = File::open("tests/assets/v5.dump").unwrap();
|
||
let dir = TempDir::new().unwrap();
|
||
let mut dump = BufReader::new(dump);
|
||
let gz = GzDecoder::new(&mut dump);
|
||
let mut archive = tar::Archive::new(gz);
|
||
archive.unpack(dir.path()).unwrap();
|
||
|
||
let mut dump = V5Reader::open(dir).unwrap();
|
||
|
||
// top level infos
|
||
insta::assert_display_snapshot!(dump.date().unwrap(), @"2022-10-04 15:55:10.344982459 +00:00:00");
|
||
insta::assert_display_snapshot!(dump.instance_uid().unwrap().unwrap(), @"9e15e977-f2ae-4761-943f-1eaf75fd736d");
|
||
|
||
// tasks
|
||
let tasks = dump.tasks().collect::<Result<Vec<_>>>().unwrap();
|
||
let (tasks, mut update_files): (Vec<_>, Vec<_>) = tasks.into_iter().unzip();
|
||
meili_snap::snapshot_hash!(meili_snap::json_string!(tasks), @"e159863f0442b2e987ce37fbd57af76b");
|
||
assert_eq!(update_files.len(), 22);
|
||
assert!(update_files[0].is_none()); // the dump creation
|
||
assert!(update_files[1].is_some()); // the enqueued document addition
|
||
assert!(update_files[2..].iter().all(|u| u.is_none())); // everything already processed
|
||
|
||
let update_file = update_files.remove(1).unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
meili_snap::snapshot_hash!(meili_snap::json_string!(update_file), @"7b8889539b669c7b9ddba448bafa385d");
|
||
|
||
// keys
|
||
let keys = dump.keys().unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
meili_snap::snapshot_hash!(meili_snap::json_string!(keys), @"091ddad754f3cc7cf1d03a477855e819");
|
||
|
||
// indexes
|
||
let mut indexes = dump.indexes().unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
// the index are not ordered in any way by default
|
||
indexes.sort_by_key(|index| index.metadata().uid.to_string());
|
||
|
||
let mut products = indexes.pop().unwrap();
|
||
let mut movies = indexes.pop().unwrap();
|
||
let mut spells = indexes.pop().unwrap();
|
||
assert!(indexes.is_empty());
|
||
|
||
// products
|
||
insta::assert_json_snapshot!(products.metadata(), { ".createdAt" => "[now]", ".updatedAt" => "[now]" }, @r###"
|
||
{
|
||
"uid": "products",
|
||
"primaryKey": "sku",
|
||
"createdAt": "[now]",
|
||
"updatedAt": "[now]"
|
||
}
|
||
"###);
|
||
|
||
meili_snap::snapshot_hash!(format!("{:#?}", products.settings()), @"b392b928dab63468318b2bdaad844c5a");
|
||
let documents = products.documents().unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
assert_eq!(documents.len(), 10);
|
||
meili_snap::snapshot_hash!(format!("{:#?}", documents), @"b01c8371aea4c7171af0d4d846a2bdca");
|
||
|
||
// movies
|
||
insta::assert_json_snapshot!(movies.metadata(), { ".createdAt" => "[now]", ".updatedAt" => "[now]" }, @r###"
|
||
{
|
||
"uid": "movies",
|
||
"primaryKey": "id",
|
||
"createdAt": "[now]",
|
||
"updatedAt": "[now]"
|
||
}
|
||
"###);
|
||
|
||
meili_snap::snapshot_hash!(format!("{:#?}", movies.settings()), @"2f881248b7c3623e2ba2885dbf0b2c18");
|
||
let documents = movies.documents().unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
assert_eq!(documents.len(), 200);
|
||
meili_snap::snapshot_hash!(format!("{:#?}", documents), @"e962baafd2fbae4cdd14e876053b0c5a");
|
||
|
||
// spells
|
||
insta::assert_json_snapshot!(spells.metadata(), { ".createdAt" => "[now]", ".updatedAt" => "[now]" }, @r###"
|
||
{
|
||
"uid": "dnd_spells",
|
||
"primaryKey": "index",
|
||
"createdAt": "[now]",
|
||
"updatedAt": "[now]"
|
||
}
|
||
"###);
|
||
|
||
meili_snap::snapshot_hash!(format!("{:#?}", spells.settings()), @"ade154e63ab713de67919892917d3d9d");
|
||
let documents = spells.documents().unwrap().collect::<Result<Vec<_>>>().unwrap();
|
||
assert_eq!(documents.len(), 10);
|
||
meili_snap::snapshot_hash!(format!("{:#?}", documents), @"235016433dd04262c7f2da01d1e808ce");
|
||
}
|
||
}
|