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WIP moving to the sync zookeeper API

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Kerollmops 2023-08-29 18:17:21 +02:00 committed by Clément Renault
parent 854745c670
commit 0c7d7c68bc
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"hashlink",
"ignore-result",
"log", "log",
"num_enum", "mio 0.6.23",
"static_assertions", "mio-extras",
"strum", "snowflake",
"thiserror", "zookeeper_derive",
"tokio", ]
"uuid 1.4.1",
[[package]]
name = "zookeeper_derive"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42307291e3c8b2e4082e5647572da863f0470511d0ecb1618a4cd0a361549723"
dependencies = [
"quote",
"syn 1.0.109",
] ]
[[package]] [[package]]

21
Cargo.toml
View File

@ -36,24 +36,3 @@ opt-level = 3
opt-level = 3 opt-level = 3
[profile.dev.package.roaring] [profile.dev.package.roaring]
opt-level = 3 opt-level = 3
[profile.dev.package.lindera-ipadic-builder]
opt-level = 3
[profile.dev.package.encoding]
opt-level = 3
[profile.dev.package.yada]
opt-level = 3
[profile.release.package.lindera-ipadic-builder]
opt-level = 3
[profile.release.package.encoding]
opt-level = 3
[profile.release.package.yada]
opt-level = 3
[profile.bench.package.lindera-ipadic-builder]
opt-level = 3
[profile.bench.package.encoding]
opt-level = 3
[profile.bench.package.yada]
opt-level = 3

2
index-scheduler/Cargo.toml
View File

@ -32,7 +32,7 @@ thiserror = "1.0.40"
time = { version = "0.3.20", features = ["serde-well-known", "formatting", "parsing", "macros"] } time = { version = "0.3.20", features = ["serde-well-known", "formatting", "parsing", "macros"] }
uuid = { version = "1.3.1", features = ["serde", "v4"] } uuid = { version = "1.3.1", features = ["serde", "v4"] }
tokio = { version = "1.27.0", features = ["full"] } tokio = { version = "1.27.0", features = ["full"] }
zookeeper-client = "0.5.0" zookeeper = "0.8.0"
[dev-dependencies] [dev-dependencies]
big_s = "1.0.2" big_s = "1.0.2"

710
index-scheduler/src/lib.rs
View File

@ -58,7 +58,10 @@ use time::format_description::well_known::Rfc3339;
use time::OffsetDateTime; use time::OffsetDateTime;
use utils::{filter_out_references_to_newer_tasks, keep_tasks_within_datetimes, map_bound}; use utils::{filter_out_references_to_newer_tasks, keep_tasks_within_datetimes, map_bound};
use uuid::Uuid; use uuid::Uuid;
use zookeeper_client as zk; use zookeeper::recipes::leader::LeaderLatch;
use zookeeper::{
Acl, AddWatchMode, CreateMode, WatchedEvent, WatchedEventType, ZkError, ZooKeeper,
};
use crate::index_mapper::IndexMapper; use crate::index_mapper::IndexMapper;
use crate::utils::{check_index_swap_validity, clamp_to_page_size}; use crate::utils::{check_index_swap_validity, clamp_to_page_size};
@ -234,7 +237,6 @@ pub enum Breakpoint {
InsideProcessBatch, InsideProcessBatch,
} }
#[derive(Debug)]
pub struct IndexSchedulerOptions { pub struct IndexSchedulerOptions {
/// The path to the version file of Meilisearch. /// The path to the version file of Meilisearch.
pub version_file_path: PathBuf, pub version_file_path: PathBuf,
@ -271,7 +273,7 @@ pub struct IndexSchedulerOptions {
/// The experimental features enabled for this instance. /// The experimental features enabled for this instance.
pub instance_features: InstanceTogglableFeatures, pub instance_features: InstanceTogglableFeatures,
/// zookeeper client /// zookeeper client
pub zk: Option<zk::Client>, pub zookeeper: Option<Arc<ZooKeeper>>,
} }
/// Structure which holds meilisearch's indexes and schedules the tasks /// Structure which holds meilisearch's indexes and schedules the tasks
@ -341,7 +343,7 @@ pub struct IndexScheduler {
pub(crate) version_file_path: PathBuf, pub(crate) version_file_path: PathBuf,
/// The URL to the ZooKeeper cluster /// The URL to the ZooKeeper cluster
pub(crate) zk: Option<zk::Client>, pub(crate) zookeeper: Option<Arc<ZooKeeper>>,
// ================= test // ================= test
// The next entry is dedicated to the tests. // The next entry is dedicated to the tests.
@ -384,7 +386,7 @@ impl IndexScheduler {
snapshots_path: self.snapshots_path.clone(), snapshots_path: self.snapshots_path.clone(),
dumps_path: self.dumps_path.clone(), dumps_path: self.dumps_path.clone(),
auth_path: self.auth_path.clone(), auth_path: self.auth_path.clone(),
zk: self.zk.clone(), zookeeper: self.zookeeper.clone(),
version_file_path: self.version_file_path.clone(), version_file_path: self.version_file_path.clone(),
#[cfg(test)] #[cfg(test)]
test_breakpoint_sdr: self.test_breakpoint_sdr.clone(), test_breakpoint_sdr: self.test_breakpoint_sdr.clone(),
@ -399,7 +401,7 @@ impl IndexScheduler {
impl IndexScheduler { impl IndexScheduler {
/// Create an index scheduler and start its run loop. /// Create an index scheduler and start its run loop.
pub async fn new( pub fn new(
options: IndexSchedulerOptions, options: IndexSchedulerOptions,
#[cfg(test)] test_breakpoint_sdr: crossbeam::channel::Sender<(Breakpoint, bool)>, #[cfg(test)] test_breakpoint_sdr: crossbeam::channel::Sender<(Breakpoint, bool)>,
#[cfg(test)] planned_failures: Vec<(usize, tests::FailureLocation)>, #[cfg(test)] planned_failures: Vec<(usize, tests::FailureLocation)>,
@ -481,7 +483,7 @@ impl IndexScheduler {
snapshots_path: options.snapshots_path, snapshots_path: options.snapshots_path,
auth_path: options.auth_path, auth_path: options.auth_path,
version_file_path: options.version_file_path, version_file_path: options.version_file_path,
zk: options.zk, zookeeper: options.zookeeper,
#[cfg(test)] #[cfg(test)]
test_breakpoint_sdr, test_breakpoint_sdr,
#[cfg(test)] #[cfg(test)]
@ -492,19 +494,30 @@ impl IndexScheduler {
}; };
// initialize the directories we need to process batches. // initialize the directories we need to process batches.
if let Some(ref zk) = this.zk { if let Some(zookeeper) = &this.zookeeper {
let options = zk::CreateMode::Persistent.with_acls(zk::Acls::anyone_all()); match zookeeper.create(
match zk.create("/election", &[], &options).await { "/election",
Ok(_) | Err(zk::Error::NodeExists) => (), vec![],
Acl::open_unsafe().clone(),
CreateMode::Persistent,
) {
Ok(_) | Err(ZkError::NodeExists) => (),
Err(e) => panic!("{e}"), Err(e) => panic!("{e}"),
} }
match zk.create("/snapshots", &[], &options).await { match zookeeper.create(
Ok(_) | Err(zk::Error::NodeExists) => (), "/snapshots",
vec![],
Acl::open_unsafe().clone(),
CreateMode::Persistent,
) {
Ok(_) | Err(ZkError::NodeExists) => (),
Err(e) => panic!("{e}"), Err(e) => panic!("{e}"),
} }
} }
this.run().await;
this.run();
Ok(this) Ok(this)
} }
@ -592,315 +605,119 @@ impl IndexScheduler {
/// ///
/// This function will execute in a different thread and must be called /// This function will execute in a different thread and must be called
/// only once per index scheduler. /// only once per index scheduler.
async fn run(&self) { fn run(&self) {
let run = self.private_clone(); #[cfg(test)]
let zk = self.zk.clone(); run.breakpoint(Breakpoint::Init);
let mut self_node_id = zk::CreateSequence(0);
tokio::task::spawn(async move { if let Some(zookeeper) = self.zookeeper.clone() {
#[cfg(test)] let id = Uuid::new_v4().to_string();
run.breakpoint(Breakpoint::Init); let latch = LeaderLatch::new(zookeeper.clone(), id, "/election".to_string());
latch.start().unwrap();
// Join the potential leaders list. // Join the potential leaders list.
// The lowest in the list is the leader. And if we're not the leader // The lowest in the list is the leader. And if we're not the leader
// we watch the node right before us to be notified if he dies. // we watch the node right before us to be notified if he dies.
// See https://zookeeper.apache.org/doc/current/recipes.html#sc_leaderElection // See https://zookeeper.apache.org/doc/current/recipes.html#sc_leaderElection
let mut watchers = if let Some(ref zk) = zk { let latchc = latch.clone();
let options = zk::CreateMode::EphemeralSequential.with_acls(zk::Acls::anyone_all()); let this = self.private_clone();
let (_stat, id) = zk.create("/election/node-", &[], &options).await.unwrap(); zookeeper
self_node_id = id; .add_watch("/snapshots", AddWatchMode::PersistentRecursive, move |event| {
let previous_path = { if !latchc.has_leadership() {
let mut list = zk.list_children("/election").await.unwrap(); let WatchedEvent { event_type, path, keeper_state: _ } = event;
list.sort(); match event_type {
WatchedEventType::NodeCreated => {
let path = path.unwrap();
log::info!("The snapshot {} is in preparation", path);
}
WatchedEventType::NodeDataChanged => {
let path = path.unwrap();
log::info!("Importing snapshot {}", path);
let snapshot_id =
path.strip_prefix("/snapshots/snapshot-").unwrap();
let snapshot_dir = PathBuf::from(format!(
"{}/zk-snapshots/{}",
env!("HOME"),
snapshot_id
));
let self_node_path = format!("node-{}", self_node_id); // 1. TODO: Ensure the snapshot version file is the same as our version.
let previous_path =
list.into_iter().take_while(|path| path < &self_node_path).last();
previous_path.map(|path| format!("/election/{}", path))
};
if let Some(previous_path) = previous_path { // 2. Download all the databases
log::warn!("I am the follower {}", self_node_id); let tasks_file =
Some(( tempfile::NamedTempFile::new_in(this.env.path()).unwrap();
zk.watch(&previous_path, zk::AddWatchMode::Persistent).await.unwrap(),
zk.watch("/snapshots", zk::AddWatchMode::PersistentRecursive)
.await
.unwrap(),
))
} else {
// if there was no node before ourselves, then we're the leader.
log::warn!("I'm the leader");
None
}
} else {
log::warn!("I don't have any ZK cluster");
None
};
loop { log::info!("Downloading the index scheduler database.");
match watchers.as_mut() { let tasks_snapshot = snapshot_dir.join("tasks.mdb");
Some((leader_watcher, snapshot_watcher)) => { std::fs::copy(tasks_snapshot, tasks_file).unwrap();
// We wait for a new batch processed by the leader OR a disconnection from the leader.
tokio::select! {
zk::WatchedEvent { event_type, session_state, .. } = leader_watcher.changed() => match event_type {
zk::EventType::Session => panic!("Session error {:?}", session_state),
zk::EventType::NodeDeleted => {
// The node behind us has been disconnected,
// am I the leader or is there someone before me.
let zk = zk.as_ref().unwrap();
let previous_path = {
let mut list = zk.list_children("/election").await.unwrap();
list.sort();
let self_node_path = format!("node-{}", self_node_id); log::info!("Downloading the indexes databases");
let previous_path = let indexes_files =
list.into_iter().take_while(|path| path < &self_node_path).last(); tempfile::TempDir::new_in(&this.index_mapper.base_path)
previous_path.map(|path| format!("/election/{}", path)) .unwrap();
}; let mut indexes = Vec::new();
let (leader_watcher, snapshot_watcher) = watchers.take().unwrap(); let dst = snapshot_dir.join("indexes");
leader_watcher.remove().await.unwrap(); for result in std::fs::read_dir(&dst).unwrap() {
watchers = if let Some(previous_path) = previous_path { let entry = result.unwrap();
log::warn!("I stay a follower {}", self_node_id); let uuid =
Some(( entry.file_name().as_os_str().to_str().unwrap().to_string();
zk.watch(&previous_path, zk::AddWatchMode::Persistent).await.unwrap(), log::info!("\tDownloading the index {}", uuid.to_string());
snapshot_watcher, std::fs::copy(
)) dst.join(&uuid),
} else { indexes_files.path().join(&uuid),
log::warn!("I'm the new leader"); )
snapshot_watcher.remove().await.unwrap(); .unwrap();
None indexes.push(uuid);
}
} }
_ => (),
},
zk::WatchedEvent { event_type, session_state, path } = snapshot_watcher.changed() => match event_type {
zk::EventType::Session => panic!("Session error {:?}", session_state),
zk::EventType::NodeCreated => {
log::info!("The snapshot {} is in preparation", path);
}
zk::EventType::NodeDataChanged => {
log::info!("Importing snapshot {}", path);
let snapshot_id = path.strip_prefix("/snapshots/snapshot-").unwrap(); // 3. Lock the index-mapper and close all the env
let snapshot_dir = // TODO: continue here
PathBuf::from(format!("{}/zk-snapshots/{}", env!("HOME"), snapshot_id));
// 1. TODO: Ensure the snapshot version file is the same as our version. // run.env.close();
// 2. Download all the databases // 4. Move all the databases
let tasks_file = tempfile::NamedTempFile::new_in(run.env.path()).unwrap();
log::info!("Downloading the index scheduler database."); // 5. Unlock the index-mapper
let tasks_snapshot =
snapshot_dir.join("tasks.mdb");
std::fs::copy(tasks_snapshot, tasks_file).unwrap();
// 2. Download and import the index-scheduler database
log::info!("Downloading the indexes databases"); // 3. Snapshot every indexes
let indexes_files = tempfile::TempDir::new_in(&run.index_mapper.base_path).unwrap(); }
let mut indexes = Vec::new(); otherwise => panic!("{otherwise:?}"),
let dst = snapshot_dir.join("indexes");
let mut indexes_snapshot = tokio::fs::read_dir(&dst).await.unwrap();
while let Some(file) = indexes_snapshot.next_entry().await.unwrap() {
let uuid = file.file_name().as_os_str().to_str().unwrap().to_string();
log::info!("\tDownloading the index {}", uuid.to_string());
std::fs::copy(dst.join(&uuid), indexes_files.path().join(&uuid)).unwrap();
indexes.push(uuid);
}
// 3. Lock the index-mapper and close all the env
// TODO: continue here
// run.env.close();
// 4. Move all the databases
// 5. Unlock the index-mapper
// 2. Download and import the index-scheduler database
// 3. Snapshot every indexes
}
_ => (),
},
else => break,
} }
} }
None => { })
// we're either a leader or not running in a cluster, .unwrap();
// either way we should wait until we receive a task.
let wake_up = run.wake_up.clone();
let _ = tokio::task::spawn_blocking(move || wake_up.wait()).await;
match run.tick().await { match zookeeper.create(
Ok(TickOutcome::TickAgain(n)) => { "/tasks",
// We must tick again. vec![],
run.wake_up.signal(); Acl::open_unsafe().clone(),
CreateMode::Persistent,
// if we're in a cluster that means we're the leader ) {
// and should share a snapshot of what we've done.
if let Some(ref zk) = run.zk {
// if nothing was processed we have nothing to do.
if n == 0 {
continue;
}
let options = zk::CreateMode::EphemeralSequential
.with_acls(zk::Acls::anyone_all());
let (_stat, snapshot_id) = zk
.create("/snapshots/snapshot-", &[], &options)
.await
.unwrap();
let zk_snapshots = format!("{}/zk-snapshots", env!("HOME"));
tokio::fs::create_dir_all(&zk_snapshots).await.unwrap();
let snapshot_dir =
PathBuf::from(format!("{zk_snapshots}/{snapshot_id}"));
tokio::fs::create_dir(&snapshot_dir).await.unwrap();
// 1. Snapshot the version file.
let dst =
snapshot_dir.join(meilisearch_types::VERSION_FILE_NAME);
tokio::fs::copy(&run.version_file_path, dst).await.unwrap();
// 2. Snapshot the index-scheduler LMDB env
let dst = snapshot_dir.join("tasks");
tokio::fs::create_dir_all(&dst).await.unwrap();
log::info!("Snapshotting the tasks");
let env = run.env.clone();
tokio::task::spawn_blocking(move || {
env.copy_to_path(
dst.join("tasks.mdb"),
heed::CompactionOption::Enabled,
)
.unwrap();
})
.await
.unwrap();
// 3. Snapshot every indexes
log::info!("Snapshotting the indexes");
let dst = snapshot_dir.join("indexes");
tokio::fs::create_dir_all(&dst).await.unwrap();
let this = run.private_clone();
let indexes = tokio::task::spawn_blocking(move || {
let rtxn = this.env.read_txn().unwrap();
this.index_mapper
.index_mapping
.iter(&rtxn)
.unwrap()
.map(|ret| ret.unwrap())
.map(|(name, uuid)| (name.to_string(), uuid))
.collect::<Vec<_>>()
})
.await
.unwrap();
for (name, uuid) in indexes {
log::info!(" Snapshotting index {name}");
let this = run.private_clone();
let dst = dst.clone();
tokio::task::spawn_blocking(move || {
let rtxn = this.env.read_txn().unwrap();
let index =
this.index_mapper.index(&rtxn, &name).unwrap();
index
.copy_to_path(
dst.join(format!("{uuid}.mdb")),
heed::CompactionOption::Enabled,
)
.unwrap();
})
.await
.unwrap();
}
// we must notify everyone that we dropped a new snapshot on the s3
let _stat = zk
.set_data(
&format!("/snapshots/snapshot-{}", snapshot_id),
&[],
None,
)
.await
.unwrap();
log::info!(
"Notified everyone about the new snapshot {snapshot_id}"
);
// We can now delete all the tasks that has been processed
let processed = run
.processing_tasks
.read()
.unwrap()
.processed_previously()
.clone(); // we don't want to hold the mutex
log::info!("Deleting {} processed tasks", processed.len());
for task in processed {
let _ = zk // we don't want to crash if we can't delete an update file.
.delete(
&format!(
"/tasks/task-{}",
zk::CreateSequence(task as i32)
),
None,
)
.await;
// TODO: Delete the update files associated with the deleted tasks
}
}
}
Ok(TickOutcome::WaitForSignal) => (),
Err(e) => {
log::error!("{}", e);
// Wait one second when an irrecoverable error occurs.
if !e.is_recoverable() {
std::thread::sleep(Duration::from_secs(1));
}
}
}
}
}
}
});
if let Some(ref zk) = &self.zk {
let options = zk::CreateMode::Persistent.with_acls(zk::Acls::anyone_all());
match zk.create("/tasks", &[], &options).await {
Ok(_) => (), Ok(_) => (),
Err(zk::Error::NodeExists) => { Err(ZkError::NodeExists) => {
log::warn!("Tasks directory already exists, we're going to import all the tasks on the zk without altering the tasks already on disk."); log::warn!("Tasks directory already exists, we're going to import all the tasks on the zk without altering the tasks already on disk.");
let children = zk let children = zookeeper
.list_children("/tasks") .get_children("/tasks", false)
.await .expect("Internal, the /tasks directory was deleted during execution."); // TODO change me
.expect("Internal, the /tasks directory was deleted during execution.");
log::info!("Importing {} tasks", children.len()); log::info!("Importing {} tasks", children.len());
for path in children { for path in children {
log::info!(" Importing {}", path); log::info!(" Importing {}", path);
match zk.get_data(&format!("/tasks/{}", &path)).await { match zookeeper.get_data(&format!("/tasks/{}", &path), false) {
Ok((task, _stat)) => { Ok((task, _stat)) => {
if task.is_empty() { if task.is_empty() {
log::info!(" Task {} was empty, skipping.", path); log::info!(" Task {} was empty, skipping.", path);
continue; } else {
} let task = serde_json::from_slice(&task).unwrap();
let task = serde_json::from_slice(&task).unwrap(); let mut wtxn = self.env.write_txn().unwrap();
self.register_raw_task(&mut wtxn, &task).unwrap();
let this = self.private_clone();
tokio::task::spawn_blocking(move || {
let mut wtxn = this.env.write_txn().unwrap();
this.register_raw_task(&mut wtxn, &task).unwrap();
wtxn.commit().unwrap(); wtxn.commit().unwrap();
// we received a new tasks, we must wake up // we received a new tasks, we must wake up
this.wake_up.signal(); self.wake_up.signal();
}) }
.await
.unwrap();
} }
Err(e) => panic!("{e}"), Err(e) => panic!("{e}"),
} }
@ -913,38 +730,154 @@ impl IndexScheduler {
} }
// TODO: fix unwrap by returning a clear error. // TODO: fix unwrap by returning a clear error.
let mut watcher =
zk.watch("/tasks", zk::AddWatchMode::PersistentRecursive).await.unwrap();
let this = self.private_clone(); let this = self.private_clone();
tokio::spawn(async move { zookeeper
loop { .add_watch("/tasks", AddWatchMode::PersistentRecursive, move |event| {
let zk::WatchedEvent { event_type, session_state, path } = let WatchedEvent { event_type, path, keeper_state: _ } = event;
watcher.changed().await;
match event_type { match event_type {
zk::EventType::Session => panic!("Session error {:?}", session_state), WatchedEventType::NodeDataChanged => {
// A task as been added let path = path.unwrap();
zk::EventType::NodeDataChanged => {
// Add raw task content in local DB // Add raw task content in local DB
log::info!("Received a new task from the cluster at {}", path); log::info!("Received a new task from the cluster at {}", path);
let (data, _stat) = let (data, _stat) =
this.zk.as_ref().unwrap().get_data(&path).await.unwrap(); this.zookeeper.as_ref().unwrap().get_data(&path, false).unwrap();
let task = serde_json::from_slice(&data).unwrap(); let task = serde_json::from_slice(data.as_slice()).unwrap();
let mut wtxn = this.env.write_txn().unwrap();
this.register_raw_task(&mut wtxn, &task).unwrap();
wtxn.commit().unwrap();
}
otherwise => panic!("{otherwise:?}"),
}
this.wake_up.signal();
})
.unwrap();
}
let this = self.private_clone();
std::thread::spawn(move || {
loop {
// we're either a leader or not running in a cluster,
// either way we should wait until we receive a task.
let wake_up = this.wake_up.clone();
let _ = wake_up.wait();
match this.tick() {
Ok(TickOutcome::TickAgain(n)) => {
// We must tick again.
this.wake_up.signal();
// if we're in a cluster that means we're the leader
// and should share a snapshot of what we've done.
if let Some(ref zookeeper) = this.zookeeper {
// if nothing was processed we have nothing to do.
if n == 0 {
continue;
}
let snapshot_id = zookeeper
.create(
"/snapshots/snapshot-",
vec![],
Acl::open_unsafe().clone(),
CreateMode::PersistentSequential,
)
.unwrap();
dbg!(&snapshot_id);
let zk_snapshots = format!("{}/zk-snapshots", env!("HOME"));
std::fs::create_dir_all(&zk_snapshots).unwrap();
let snapshot_dir =
PathBuf::from(format!("{zk_snapshots}/{snapshot_id}"));
std::fs::create_dir(&snapshot_dir).unwrap();
// 1. Snapshot the version file.
let dst = snapshot_dir.join(meilisearch_types::VERSION_FILE_NAME);
std::fs::copy(&this.version_file_path, dst).unwrap();
// 2. Snapshot the index-scheduler LMDB env
let dst = snapshot_dir.join("tasks");
std::fs::create_dir_all(&dst).unwrap();
log::info!("Snapshotting the tasks");
let env = this.env.clone();
env.copy_to_path(
dst.join("tasks.mdb"),
heed::CompactionOption::Enabled,
)
.unwrap();
// 3. Snapshot every indexes
log::info!("Snapshotting the indexes");
let dst = snapshot_dir.join("indexes");
std::fs::create_dir_all(&dst).unwrap();
let this = this.private_clone(); let this = this.private_clone();
tokio::task::spawn_blocking(move || { let rtxn = this.env.read_txn().unwrap();
let mut wtxn = this.env.write_txn().unwrap(); let indexes = this
this.register_raw_task(&mut wtxn, &task).unwrap(); .index_mapper
wtxn.commit().unwrap(); .index_mapping
}) .iter(&rtxn)
.await .unwrap()
.unwrap(); .map(|ret| ret.unwrap())
.map(|(name, uuid)| (name.to_string(), uuid))
.collect::<Vec<_>>();
for (name, uuid) in indexes {
log::info!(" Snapshotting index {name}");
let this = this.private_clone();
let dst = dst.clone();
let rtxn = this.env.read_txn().unwrap();
let index = this.index_mapper.index(&rtxn, &name).unwrap();
index
.copy_to_path(
dst.join(format!("{uuid}.mdb")),
heed::CompactionOption::Enabled,
)
.unwrap();
}
// we must notify everyone that we dropped a new snapshot on the s3
let _stat = zookeeper.set_data(
&format!("/snapshots/snapshot-{}", snapshot_id),
vec![],
None,
);
log::info!("Notified everyone about the new snapshot {snapshot_id}");
// We can now delete all the tasks that has been processed
let processed = this
.processing_tasks
.read()
.unwrap()
.processed_previously()
.clone(); // we don't want to hold the mutex
log::info!("Deleting {} processed tasks", processed.len());
for task in processed {
let _ = zookeeper // we don't want to crash if we can't delete an update file.
.delete(
&format!(
"/tasks/task-{:0>10}",
task as i32
),
None,
)
.unwrap();
// TODO: Delete the update files associated with the deleted tasks
}
}
}
Ok(TickOutcome::WaitForSignal) => (),
Err(e) => {
log::error!("{}", e);
// Wait one second when an irrecoverable error occurs.
if !e.is_recoverable() {
std::thread::sleep(Duration::from_secs(1));
} }
_ => (),
} }
this.wake_up.signal();
} }
}); }
} });
} }
pub fn indexer_config(&self) -> &IndexerConfig { pub fn indexer_config(&self) -> &IndexerConfig {
@ -1279,14 +1212,17 @@ impl IndexScheduler {
/// Register a new task in the scheduler. /// Register a new task in the scheduler.
/// ///
/// If it fails and data was associated with the task, it tries to delete the associated data. /// If it fails and data was associated with the task, it tries to delete the associated data.
pub async fn register(&self, kind: KindWithContent) -> Result<Task> { pub fn register(&self, kind: KindWithContent) -> Result<Task> {
let id = match self.zk { let id = match &self.zookeeper {
Some(ref zk) => { Some(zookeeper) => {
// reserve uniq ID on zookeeper. And give it to the spawn blocking. // Reserve uniq ID on zookeeper. And give it to the spawn blocking.
let options = match zookeeper.create(
zk::CreateMode::PersistentSequential.with_acls(zk::Acls::anyone_all()); "/tasks/task-",
match zk.create("/tasks/task-", &[], &options).await { vec![],
Ok((_stats, id)) => Some(id), Acl::open_unsafe().clone(),
CreateMode::PersistentSequential,
) {
Ok(path) => path.rsplit_once('-').map(|(_, id)| id.parse::<u32>().unwrap()),
Err(e) => panic!("{e}"), Err(e) => panic!("{e}"),
} }
} }
@ -1294,80 +1230,69 @@ impl IndexScheduler {
}; };
let this = self.private_clone(); let this = self.private_clone();
let task = tokio::task::spawn_blocking(move || { let mut wtxn = this.env.write_txn()?;
let mut wtxn = this.env.write_txn()?;
// if the task doesn't delete anything and 50% of the task queue is full, we must refuse to enqueue the incomming task // if the task doesn't delete anything and 50% of the task queue is full, we must refuse to enqueue the incomming task
if !matches!(&kind, KindWithContent::TaskDeletion { tasks, .. } if !tasks.is_empty()) if !matches!(&kind, KindWithContent::TaskDeletion { tasks, .. } if !tasks.is_empty())
&& (this.env.non_free_pages_size()? * 100) / this.env.map_size()? as u64 > 50 && (this.env.non_free_pages_size()? * 100) / this.env.map_size()? as u64 > 50
{
return Err(Error::NoSpaceLeftInTaskQueue);
}
// Retrieve the id generated by zookeeper or generate a local id.
let id = match id {
Some(id) => id as u32,
None => this.next_task_id(&wtxn)?,
};
let mut task = Task {
uid: id,
enqueued_at: OffsetDateTime::now_utc(),
started_at: None,
finished_at: None,
error: None,
canceled_by: None,
details: kind.default_details(),
status: Status::Enqueued,
kind: kind.clone(),
};
// For deletion and cancelation tasks, we want to make extra sure that they
// don't attempt to delete/cancel tasks that are newer than themselves.
filter_out_references_to_newer_tasks(&mut task);
// If the register task is an index swap task, verify that it is well-formed
// (that it does not contain duplicate indexes).
check_index_swap_validity(&task)?;
this.register_raw_task(&mut wtxn, &task)?;
if let Err(e) = wtxn.commit() {
this.delete_persisted_task_data(&task)?;
return Err(e.into());
}
// If the registered task is a task cancelation
// we inform the processing tasks to stop (if necessary).
if let KindWithContent::TaskCancelation { tasks, .. } = kind {
let tasks_to_cancel = RoaringBitmap::from_iter(tasks);
if this.processing_tasks.read().unwrap().must_cancel_processing_tasks(&tasks_to_cancel)
{ {
return Err(Error::NoSpaceLeftInTaskQueue); this.must_stop_processing.must_stop();
} }
}
// get id generated by zookeeper or generate a local id. // notify the scheduler loop to execute a new tick
let id = match id { this.wake_up.signal();
Some(id) => id.0 as u32,
None => this.next_task_id(&wtxn)?,
};
let mut task = Task {
uid: id,
enqueued_at: OffsetDateTime::now_utc(),
started_at: None,
finished_at: None,
error: None,
canceled_by: None,
details: kind.default_details(),
status: Status::Enqueued,
kind: kind.clone(),
};
// For deletion and cancelation tasks, we want to make extra sure that they
// don't attempt to delete/cancel tasks that are newer than themselves.
filter_out_references_to_newer_tasks(&mut task);
// If the register task is an index swap task, verify that it is well-formed
// (that it does not contain duplicate indexes).
check_index_swap_validity(&task)?;
this.register_raw_task(&mut wtxn, &task)?;
if let Err(e) = wtxn.commit() {
this.delete_persisted_task_data(&task)?;
return Err(e.into());
}
// If the registered task is a task cancelation
// we inform the processing tasks to stop (if necessary).
if let KindWithContent::TaskCancelation { tasks, .. } = kind {
let tasks_to_cancel = RoaringBitmap::from_iter(tasks);
if this
.processing_tasks
.read()
.unwrap()
.must_cancel_processing_tasks(&tasks_to_cancel)
{
this.must_stop_processing.must_stop();
}
}
// notify the scheduler loop to execute a new tick
this.wake_up.signal();
Ok(task)
})
.await
.unwrap()?;
// TODO: send task to ZK in raw json. // TODO: send task to ZK in raw json.
if let Some(ref zk) = self.zk { if let Some(zookeeper) = &self.zookeeper {
let id = id.unwrap();
// TODO: ugly unwrap // TODO: ugly unwrap
zk.set_data( zookeeper
&format!("/tasks/task-{}", id), .set_data(
&serde_json::to_vec_pretty(&task).unwrap(), &format!("/tasks/task-{}", id),
None, serde_json::to_vec_pretty(&task).unwrap(),
) None,
.await )
.unwrap(); .unwrap();
} }
Ok(task) Ok(task)
@ -1449,7 +1374,7 @@ impl IndexScheduler {
/// 6. Reset the in-memory list of processed tasks. /// 6. Reset the in-memory list of processed tasks.
/// ///
/// Returns the number of processed tasks. /// Returns the number of processed tasks.
async fn tick(&self) -> Result<TickOutcome> { fn tick(&self) -> Result<TickOutcome> {
#[cfg(test)] #[cfg(test)]
{ {
*self.run_loop_iteration.write().unwrap() += 1; *self.run_loop_iteration.write().unwrap() += 1;
@ -1458,7 +1383,7 @@ impl IndexScheduler {
puffin::GlobalProfiler::lock().new_frame(); puffin::GlobalProfiler::lock().new_frame();
self.cleanup_task_queue().await?; self.cleanup_task_queue()?;
let rtxn = self.env.read_txn().map_err(Error::HeedTransaction)?; let rtxn = self.env.read_txn().map_err(Error::HeedTransaction)?;
let batch = let batch =
@ -1597,7 +1522,7 @@ impl IndexScheduler {
} }
/// Register a task to cleanup the task queue if needed /// Register a task to cleanup the task queue if needed
async fn cleanup_task_queue(&self) -> Result<()> { fn cleanup_task_queue(&self) -> Result<()> {
let rtxn = self.env.read_txn().map_err(Error::HeedTransaction)?; let rtxn = self.env.read_txn().map_err(Error::HeedTransaction)?;
let nb_tasks = self.all_task_ids(&rtxn)?.len(); let nb_tasks = self.all_task_ids(&rtxn)?.len();
@ -1640,8 +1565,7 @@ impl IndexScheduler {
delete_before.format(&Rfc3339).map_err(|_| Error::CorruptedTaskQueue)?, delete_before.format(&Rfc3339).map_err(|_| Error::CorruptedTaskQueue)?,
), ),
tasks: to_delete, tasks: to_delete,
}) })?;
.await?;
Ok(()) Ok(())
} }

3
meilisearch-auth/Cargo.toml
View File

@ -24,6 +24,5 @@ serde_json = { version = "1.0.95", features = ["preserve_order"] }
sha2 = "0.10.6" sha2 = "0.10.6"
thiserror = "1.0.40" thiserror = "1.0.40"
time = { version = "0.3.20", features = ["serde-well-known", "formatting", "parsing", "macros"] } time = { version = "0.3.20", features = ["serde-well-known", "formatting", "parsing", "macros"] }
tokio = { version = "1.27.0", features = ["full"] }
uuid = { version = "1.3.1", features = ["serde", "v4"] } uuid = { version = "1.3.1", features = ["serde", "v4"] }
zookeeper-client = "0.5.0" zookeeper = "0.8.0"

4
meilisearch-auth/src/error.rs
View File

@ -2,7 +2,6 @@ use std::error::Error;
use meilisearch_types::error::{Code, ErrorCode}; use meilisearch_types::error::{Code, ErrorCode};
use meilisearch_types::internal_error; use meilisearch_types::internal_error;
use zookeeper_client as zk;
pub type Result<T> = std::result::Result<T, AuthControllerError>; pub type Result<T> = std::result::Result<T, AuthControllerError>;
@ -20,8 +19,7 @@ internal_error!(
AuthControllerError: meilisearch_types::milli::heed::Error, AuthControllerError: meilisearch_types::milli::heed::Error,
std::io::Error, std::io::Error,
serde_json::Error, serde_json::Error,
tokio::task::JoinError, zookeeper::ZkError,
zk::Error,
std::str::Utf8Error std::str::Utf8Error
); );

155
meilisearch-auth/src/lib.rs
View File

@ -16,57 +16,59 @@ pub use store::open_auth_store_env;
use store::{generate_key_as_hexa, HeedAuthStore}; use store::{generate_key_as_hexa, HeedAuthStore};
use time::OffsetDateTime; use time::OffsetDateTime;
use uuid::Uuid; use uuid::Uuid;
use zookeeper_client as zk; use zookeeper::{
Acl, AddWatchMode, CreateMode, WatchedEvent, WatchedEventType, ZkError, ZooKeeper,
};
#[derive(Clone)] #[derive(Clone)]
pub struct AuthController { pub struct AuthController {
store: Arc<HeedAuthStore>, store: Arc<HeedAuthStore>,
master_key: Option<String>, master_key: Option<String>,
zk: Option<zk::Client>, zookeeper: Option<Arc<ZooKeeper>>,
} }
impl AuthController { impl AuthController {
pub async fn new( pub fn new(
db_path: impl AsRef<Path>, db_path: impl AsRef<Path>,
master_key: &Option<String>, master_key: &Option<String>,
zk: Option<zk::Client>, zookeeper: Option<Arc<ZooKeeper>>,
) -> Result<Self> { ) -> Result<Self> {
let store = HeedAuthStore::new(db_path)?; let store = HeedAuthStore::new(db_path)?;
let controller = Self { store: Arc::new(store), master_key: master_key.clone(), zk }; let controller = Self { store: Arc::new(store), master_key: master_key.clone(), zookeeper };
match controller.zk { match controller.zookeeper {
// setup the auth zk environment, the `auth` node // setup the auth zk environment, the `auth` node
Some(ref zk) => { Some(ref zookeeper) => {
let options =
zk::CreateMode::Persistent.with_acls(zk::Acls::anyone_all());
// TODO: we should catch the potential unexpected errors here https://docs.rs/zookeeper-client/latest/zookeeper_client/struct.Client.html#method.create // TODO: we should catch the potential unexpected errors here https://docs.rs/zookeeper-client/latest/zookeeper_client/struct.Client.html#method.create
// for the moment we consider that `create` only returns Error::NodeExists. // for the moment we consider that `create` only returns Error::NodeExists.
match zk.create("/auth", &[], &options).await { match zookeeper.create(
"/auth",
vec![],
Acl::open_unsafe().clone(),
CreateMode::Persistent,
) {
// If the store is empty, we must generate and push the default api-keys. // If the store is empty, we must generate and push the default api-keys.
Ok(_) => generate_default_keys(&controller).await?, Ok(_) => generate_default_keys(&controller)?,
// If the node exist we should clear our DB and download all the existing api-keys // If the node exist we should clear our DB and download all the existing api-keys
Err(zk::Error::NodeExists) => { Err(ZkError::NodeExists) => {
log::warn!("Auth directory already exists, we need to clear our keys + import the one in zookeeper"); log::warn!("Auth directory already exists, we need to clear our keys + import the one in zookeeper");
let store = controller.store.clone(); let store = controller.store.clone();
tokio::task::spawn_blocking(move || store.delete_all_keys()).await??; store.delete_all_keys()?;
let children = zk let children = zookeeper
.list_children("/auth") .get_children("/auth", false)
.await
.expect("Internal, the auth directory was deleted during execution."); .expect("Internal, the auth directory was deleted during execution.");
log::info!("Importing {} api-keys", children.len()); log::info!("Importing {} api-keys", children.len());
for path in children { for path in children {
log::info!(" Importing {}", path); log::info!(" Importing {}", path);
match zk.get_data(&format!("/auth/{}", &path)).await { match zookeeper.get_data(&format!("/auth/{}", &path), false) {
Ok((key, _stat)) => { Ok((key, _stat)) => {
let key = serde_json::from_slice(&key).unwrap(); let key = serde_json::from_slice(&key).unwrap();
let store = controller.store.clone(); let store = controller.store.clone();
tokio::task::spawn_blocking(move || store.put_api_key(key)) store.put_api_key(key)?;
.await??; }
Err(e) => panic!("{e}"),
},
Err(e) => panic!("{e}")
} }
// else the file was deleted while we were inserting the key. We ignore it. // else the file was deleted while we were inserting the key. We ignore it.
// TODO: What happens if someone updates the files before we have the time // TODO: What happens if someone updates the files before we have the time
@ -74,13 +76,9 @@ impl AuthController {
} }
} }
e @ Err( e @ Err(
zk::Error::NoNode ZkError::NoNode | ZkError::NoChildrenForEphemerals | ZkError::InvalidACL,
| zk::Error::NoChildrenForEphemerals
| zk::Error::InvalidAcl,
) => unreachable!("{e:?}"), ) => unreachable!("{e:?}"),
Err(e) => { Err(e) => panic!("{e}"),
panic!("{e}")
}
} }
// TODO: Race condition above: // TODO: Race condition above:
// What happens if two node join exactly at the same moment: // What happens if two node join exactly at the same moment:
@ -91,39 +89,34 @@ impl AuthController {
// Zookeeper Event listener loop // Zookeeper Event listener loop
let controller_clone = controller.clone(); let controller_clone = controller.clone();
let mut watcher = zk.watch("/auth", zk::AddWatchMode::PersistentRecursive).await?; let zkk = zookeeper.clone();
let czk = zk.clone(); zookeeper.add_watch("/auth", AddWatchMode::PersistentRecursive, move |event| {
tokio::spawn(async move { let WatchedEvent { event_type, path, keeper_state: _ } = dbg!(event);
let zk = czk;
loop {
let zk::WatchedEvent { event_type, session_state, path } =
dbg!(watcher.changed().await);
match event_type { match event_type {
zk::EventType::Session => panic!("Session error {:?}", session_state), WatchedEventType::NodeDeleted => {
// a key is deleted from zk // TODO: ugly unwraps
zk::EventType::NodeDeleted => { let path = path.unwrap();
// TODO: ugly unwraps let uuid = path.strip_prefix("/auth/").unwrap();
let uuid = path.strip_prefix("/auth/").unwrap(); let uuid = Uuid::parse_str(&uuid).unwrap();
let uuid = Uuid::parse_str(&uuid).unwrap(); log::info!("The key {} has been deleted", uuid);
log::info!("The key {} has been deleted", uuid); dbg!(controller_clone.store.delete_api_key(uuid).unwrap());
dbg!(controller_clone.store.delete_api_key(uuid).unwrap());
}
zk::EventType::NodeCreated | zk::EventType::NodeDataChanged => {
let (key, _stat) = zk.get_data(&path).await.unwrap();
let key: Key = serde_json::from_slice(&key).unwrap();
log::info!("The key {} has been deleted", key.uid);
dbg!(controller_clone.store.put_api_key(key).unwrap());
}
zk::EventType::NodeChildrenChanged => panic!("Got the unexpected NodeChildrenChanged event, what is it used for?"),
} }
WatchedEventType::NodeCreated | WatchedEventType::NodeDataChanged => {
let path = path.unwrap();
let (key, _stat) = zkk.get_data(&path, false).unwrap();
let key: Key = serde_json::from_slice(&key).unwrap();
log::info!("The key {} has been deleted", key.uid);
dbg!(controller_clone.store.put_api_key(key).unwrap());
}
otherwise => panic!("Got the unexpected `{otherwise:?}` event!"),
} }
}); })?;
} }
None => { None => {
if controller.store.is_empty()? { if controller.store.is_empty()? {
generate_default_keys(&controller).await?; generate_default_keys(&controller)?;
} }
} }
} }
@ -147,27 +140,29 @@ impl AuthController {
self.store.used_size() self.store.used_size()
} }
pub async fn create_key(&self, create_key: CreateApiKey) -> Result<Key> { pub fn create_key(&self, create_key: CreateApiKey) -> Result<Key> {
match self.store.get_api_key(create_key.uid)? { match self.store.get_api_key(create_key.uid)? {
Some(_) => Err(AuthControllerError::ApiKeyAlreadyExists(create_key.uid.to_string())), Some(_) => Err(AuthControllerError::ApiKeyAlreadyExists(create_key.uid.to_string())),
None => self.put_key(create_key.to_key()).await, None => self.put_key(create_key.to_key()),
} }
} }
pub async fn put_key(&self, key: Key) -> Result<Key> { pub fn put_key(&self, key: Key) -> Result<Key> {
let store = self.store.clone(); let store = self.store.clone();
// TODO: we may commit only after zk persisted the keys // TODO: we may commit only after zk persisted the keys
let key = tokio::task::spawn_blocking(move || store.put_api_key(key)).await??; let key = store.put_api_key(key)?;
if let Some(ref zk) = self.zk { if let Some(zookeeper) = &self.zookeeper {
let options = zk::CreateMode::Persistent.with_acls(zk::Acls::anyone_all()); zookeeper.create(
&format!("/auth/{}", key.uid),
zk.create(&format!("/auth/{}", key.uid), &serde_json::to_vec_pretty(&key)?, &options) serde_json::to_vec_pretty(&key)?,
.await?; Acl::open_unsafe().clone(),
CreateMode::Persistent,
)?;
} }
Ok(key) Ok(key)
} }
pub async fn update_key(&self, uid: Uuid, patch: PatchApiKey) -> Result<Key> { pub fn update_key(&self, uid: Uuid, patch: PatchApiKey) -> Result<Key> {
let mut key = self.get_key(uid)?; let mut key = self.get_key(uid)?;
match patch.description { match patch.description {
Setting::NotSet => (), Setting::NotSet => (),
@ -180,10 +175,13 @@ impl AuthController {
key.updated_at = OffsetDateTime::now_utc(); key.updated_at = OffsetDateTime::now_utc();
let store = self.store.clone(); let store = self.store.clone();
// TODO: we may commit only after zk persisted the keys // TODO: we may commit only after zk persisted the keys
let key = tokio::task::spawn_blocking(move || store.put_api_key(key)).await??; let key = store.put_api_key(key)?;
if let Some(ref zk) = self.zk { if let Some(zookeeper) = &self.zookeeper {
zk.set_data(&format!("/auth/{}", key.uid), &serde_json::to_vec_pretty(&key)?, None) zookeeper.set_data(
.await?; &format!("/auth/{}", key.uid),
serde_json::to_vec_pretty(&key)?,
None,
)?;
} }
Ok(key) Ok(key)
} }
@ -226,12 +224,12 @@ impl AuthController {
self.store.list_api_keys() self.store.list_api_keys()
} }
pub async fn delete_key(&self, uid: Uuid) -> Result<()> { pub fn delete_key(&self, uid: Uuid) -> Result<()> {
let store = self.store.clone(); let store = self.store.clone();
let deleted = tokio::task::spawn_blocking(move || store.delete_api_key(uid)).await??; let deleted = store.delete_api_key(uid)?;
if deleted { if deleted {
if let Some(ref zk) = self.zk { if let Some(zookeeper) = &self.zookeeper {
zk.delete(&format!("/auth/{}", uid), None).await?; zookeeper.delete(&format!("/auth/{}", uid), None)?;
} }
Ok(()) Ok(())
} else { } else {
@ -426,10 +424,9 @@ pub struct IndexSearchRules {
pub filter: Option<serde_json::Value>, pub filter: Option<serde_json::Value>,
} }
async fn generate_default_keys(controller: &AuthController) -> Result<()> { fn generate_default_keys(controller: &AuthController) -> Result<()> {
controller.put_key(Key::default_admin()).await?; controller.put_key(Key::default_admin())?;
controller.put_key(Key::default_search()).await?; controller.put_key(Key::default_search())?;
Ok(()) Ok(())
} }

2
meilisearch/Cargo.toml
View File

@ -105,7 +105,7 @@ walkdir = "2.3.3"
yaup = "0.2.1" yaup = "0.2.1"
serde_urlencoded = "0.7.1" serde_urlencoded = "0.7.1"
termcolor = "1.2.0" termcolor = "1.2.0"
zookeeper-client = "0.5.0" zookeeper = "0.8.0"
[dev-dependencies] [dev-dependencies]
actix-rt = "2.8.0" actix-rt = "2.8.0"

45
meilisearch/src/lib.rs
View File

@ -39,7 +39,7 @@ use meilisearch_types::versioning::{check_version_file, create_version_file};
use meilisearch_types::{compression, milli, VERSION_FILE_NAME}; use meilisearch_types::{compression, milli, VERSION_FILE_NAME};
pub use option::Opt; pub use option::Opt;
use option::ScheduleSnapshot; use option::ScheduleSnapshot;
use zookeeper_client as zk; use zookeeper::ZooKeeper;
use crate::error::MeilisearchHttpError; use crate::error::MeilisearchHttpError;
@ -139,7 +139,7 @@ enum OnFailure {
pub async fn setup_meilisearch( pub async fn setup_meilisearch(
opt: &Opt, opt: &Opt,
zk: Option<zk::Client>, zookeeper: Option<Arc<ZooKeeper>>,
) -> anyhow::Result<(Arc<IndexScheduler>, Arc<AuthController>)> { ) -> anyhow::Result<(Arc<IndexScheduler>, Arc<AuthController>)> {
let empty_db = is_empty_db(&opt.db_path); let empty_db = is_empty_db(&opt.db_path);
let (index_scheduler, auth_controller) = if let Some(ref snapshot_path) = opt.import_snapshot { let (index_scheduler, auth_controller) = if let Some(ref snapshot_path) = opt.import_snapshot {
@ -147,7 +147,7 @@ pub async fn setup_meilisearch(
// the db is empty and the snapshot exists, import it // the db is empty and the snapshot exists, import it
if empty_db && snapshot_path_exists { if empty_db && snapshot_path_exists {
match compression::from_tar_gz(snapshot_path, &opt.db_path) { match compression::from_tar_gz(snapshot_path, &opt.db_path) {
Ok(()) => open_or_create_database_unchecked(opt, OnFailure::RemoveDb, zk).await?, Ok(()) => open_or_create_database_unchecked(opt, OnFailure::RemoveDb, zookeeper)?,
Err(e) => { Err(e) => {
std::fs::remove_dir_all(&opt.db_path)?; std::fs::remove_dir_all(&opt.db_path)?;
return Err(e); return Err(e);
@ -164,14 +164,14 @@ pub async fn setup_meilisearch(
bail!("snapshot doesn't exist at {}", snapshot_path.display()) bail!("snapshot doesn't exist at {}", snapshot_path.display())
// the snapshot and the db exist, and we can ignore the snapshot because of the ignore_snapshot_if_db_exists flag // the snapshot and the db exist, and we can ignore the snapshot because of the ignore_snapshot_if_db_exists flag
} else { } else {
open_or_create_database(opt, empty_db, zk).await? open_or_create_database(opt, empty_db, zookeeper)?
} }
} else if let Some(ref path) = opt.import_dump { } else if let Some(ref path) = opt.import_dump {
let src_path_exists = path.exists(); let src_path_exists = path.exists();
// the db is empty and the dump exists, import it // the db is empty and the dump exists, import it
if empty_db && src_path_exists { if empty_db && src_path_exists {
let (mut index_scheduler, mut auth_controller) = let (mut index_scheduler, mut auth_controller) =
open_or_create_database_unchecked(opt, OnFailure::RemoveDb, zk).await?; open_or_create_database_unchecked(opt, OnFailure::RemoveDb, zookeeper)?;
match import_dump(&opt.db_path, path, &mut index_scheduler, &mut auth_controller) { match import_dump(&opt.db_path, path, &mut index_scheduler, &mut auth_controller) {
Ok(()) => (index_scheduler, auth_controller), Ok(()) => (index_scheduler, auth_controller),
Err(e) => { Err(e) => {
@ -191,10 +191,10 @@ pub async fn setup_meilisearch(
// the dump and the db exist and we can ignore the dump because of the ignore_dump_if_db_exists flag // the dump and the db exist and we can ignore the dump because of the ignore_dump_if_db_exists flag
// or, the dump is missing but we can ignore that because of the ignore_missing_dump flag // or, the dump is missing but we can ignore that because of the ignore_missing_dump flag
} else { } else {
open_or_create_database(opt, empty_db, zk).await? open_or_create_database(opt, empty_db, zookeeper)?
} }
} else { } else {
open_or_create_database(opt, empty_db, zk).await? open_or_create_database(opt, empty_db, zookeeper)?
}; };
// We create a loop in a thread that registers snapshotCreation tasks // We create a loop in a thread that registers snapshotCreation tasks
@ -203,30 +203,26 @@ pub async fn setup_meilisearch(
if let ScheduleSnapshot::Enabled(snapshot_delay) = opt.schedule_snapshot { if let ScheduleSnapshot::Enabled(snapshot_delay) = opt.schedule_snapshot {
let snapshot_delay = Duration::from_secs(snapshot_delay); let snapshot_delay = Duration::from_secs(snapshot_delay);
let index_scheduler = index_scheduler.clone(); let index_scheduler = index_scheduler.clone();
tokio::task::spawn(async move { thread::spawn(move || loop {
loop { thread::sleep(snapshot_delay);
thread::sleep(snapshot_delay); if let Err(e) = index_scheduler.register(KindWithContent::SnapshotCreation) {
if let Err(e) = index_scheduler.register(KindWithContent::SnapshotCreation).await { error!("Error while registering snapshot: {}", e);
error!("Error while registering snapshot: {}", e);
}
} }
}) });
.await
.unwrap();
} }
Ok((index_scheduler, auth_controller)) Ok((index_scheduler, auth_controller))
} }
/// Try to start the IndexScheduler and AuthController without checking the VERSION file or anything. /// Try to start the IndexScheduler and AuthController without checking the VERSION file or anything.
async fn open_or_create_database_unchecked( fn open_or_create_database_unchecked(
opt: &Opt, opt: &Opt,
on_failure: OnFailure, on_failure: OnFailure,
zk: Option<zk::Client>, zookeeper: Option<Arc<ZooKeeper>>,
) -> anyhow::Result<(IndexScheduler, AuthController)> { ) -> anyhow::Result<(IndexScheduler, AuthController)> {
// we don't want to create anything in the data.ms yet, thus we // we don't want to create anything in the data.ms yet, thus we
// wrap our two builders in a closure that'll be executed later. // wrap our two builders in a closure that'll be executed later.
let auth_controller = AuthController::new(&opt.db_path, &opt.master_key, zk.clone()); let auth_controller = AuthController::new(&opt.db_path, &opt.master_key, zookeeper.clone());
let instance_features = opt.to_instance_features(); let instance_features = opt.to_instance_features();
let index_scheduler = IndexScheduler::new(IndexSchedulerOptions { let index_scheduler = IndexScheduler::new(IndexSchedulerOptions {
version_file_path: opt.db_path.join(VERSION_FILE_NAME), version_file_path: opt.db_path.join(VERSION_FILE_NAME),
@ -245,14 +241,13 @@ async fn open_or_create_database_unchecked(
index_growth_amount: byte_unit::Byte::from_str("10GiB").unwrap().get_bytes() as usize, index_growth_amount: byte_unit::Byte::from_str("10GiB").unwrap().get_bytes() as usize,
index_count: DEFAULT_INDEX_COUNT, index_count: DEFAULT_INDEX_COUNT,
instance_features, instance_features,
zk: zk.clone(), zookeeper: zookeeper.clone(),
}) })
.await
.map_err(anyhow::Error::from); .map_err(anyhow::Error::from);
match ( match (
index_scheduler, index_scheduler,
auth_controller.await.map_err(anyhow::Error::from), auth_controller.map_err(anyhow::Error::from),
create_version_file(&opt.db_path).map_err(anyhow::Error::from), create_version_file(&opt.db_path).map_err(anyhow::Error::from),
) { ) {
(Ok(i), Ok(a), Ok(())) => Ok((i, a)), (Ok(i), Ok(a), Ok(())) => Ok((i, a)),
@ -266,16 +261,16 @@ async fn open_or_create_database_unchecked(
} }
/// Ensure you're in a valid state and open the IndexScheduler + AuthController for you. /// Ensure you're in a valid state and open the IndexScheduler + AuthController for you.
async fn open_or_create_database( fn open_or_create_database(
opt: &Opt, opt: &Opt,
empty_db: bool, empty_db: bool,
zk: Option<zk::Client>, zookeeper: Option<Arc<ZooKeeper>>,
) -> anyhow::Result<(IndexScheduler, AuthController)> { ) -> anyhow::Result<(IndexScheduler, AuthController)> {
if !empty_db { if !empty_db {
check_version_file(&opt.db_path)?; check_version_file(&opt.db_path)?;
} }
open_or_create_database_unchecked(opt, OnFailure::KeepDb, zk).await open_or_create_database_unchecked(opt, OnFailure::KeepDb, zookeeper)
} }
fn import_dump( fn import_dump(

12
meilisearch/src/main.rs
View File

@ -2,6 +2,7 @@ use std::env;
use std::io::{stderr, Write}; use std::io::{stderr, Write};
use std::path::PathBuf; use std::path::PathBuf;
use std::sync::Arc; use std::sync::Arc;
use std::time::Duration;
use actix_web::http::KeepAlive; use actix_web::http::KeepAlive;
use actix_web::web::Data; use actix_web::web::Data;
@ -12,7 +13,7 @@ use meilisearch::analytics::Analytics;
use meilisearch::{analytics, create_app, prototype_name, setup_meilisearch, Opt}; use meilisearch::{analytics, create_app, prototype_name, setup_meilisearch, Opt};
use meilisearch_auth::{generate_master_key, AuthController, MASTER_KEY_MIN_SIZE}; use meilisearch_auth::{generate_master_key, AuthController, MASTER_KEY_MIN_SIZE};
use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor}; use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor};
use zookeeper_client as zk; use zookeeper::ZooKeeper;
#[global_allocator] #[global_allocator]
static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc; static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
@ -64,11 +65,10 @@ async fn main() -> anyhow::Result<()> {
_ => (), _ => (),
} }
let zk = match opt.zk_url { let timeout = Duration::from_millis(2500);
Some(ref url) => Some(zk::Client::connect(url).await.unwrap()), let zookeeper =
None => None, opt.zk_url.as_ref().map(|url| Arc::new(ZooKeeper::connect(url, timeout, drop).unwrap()));
}; let (index_scheduler, auth_controller) = setup_meilisearch(&opt, zookeeper).await?;
let (index_scheduler, auth_controller) = setup_meilisearch(&opt, zk).await?;
#[cfg(all(not(debug_assertions), feature = "analytics"))] #[cfg(all(not(debug_assertions), feature = "analytics"))]
let analytics = if !opt.no_analytics { let analytics = if !opt.no_analytics {

6
meilisearch/src/routes/api_key.rs
View File

@ -41,7 +41,7 @@ pub async fn create_api_key(
_req: HttpRequest, _req: HttpRequest,
) -> Result<HttpResponse, ResponseError> { ) -> Result<HttpResponse, ResponseError> {
let v = body.into_inner(); let v = body.into_inner();
let key = auth_controller.create_key(v).await?; let key = auth_controller.create_key(v)?;
let key = KeyView::from_key(key, &auth_controller); let key = KeyView::from_key(key, &auth_controller);
Ok(HttpResponse::Created().json(key)) Ok(HttpResponse::Created().json(key))
@ -107,7 +107,7 @@ pub async fn patch_api_key(
let key = path.into_inner().key; let key = path.into_inner().key;
let patch_api_key = body.into_inner(); let patch_api_key = body.into_inner();
let uid = Uuid::parse_str(&key).or_else(|_| auth_controller.get_uid_from_encoded_key(&key))?; let uid = Uuid::parse_str(&key).or_else(|_| auth_controller.get_uid_from_encoded_key(&key))?;
let key = auth_controller.update_key(uid, patch_api_key).await?; let key = auth_controller.update_key(uid, patch_api_key)?;
let key = KeyView::from_key(key, &auth_controller); let key = KeyView::from_key(key, &auth_controller);
Ok(HttpResponse::Ok().json(key)) Ok(HttpResponse::Ok().json(key))
@ -119,7 +119,7 @@ pub async fn delete_api_key(
) -> Result<HttpResponse, ResponseError> { ) -> Result<HttpResponse, ResponseError> {
let key = path.into_inner().key; let key = path.into_inner().key;
let uid = Uuid::parse_str(&key).or_else(|_| auth_controller.get_uid_from_encoded_key(&key))?; let uid = Uuid::parse_str(&key).or_else(|_| auth_controller.get_uid_from_encoded_key(&key))?;
auth_controller.delete_key(uid).await?; auth_controller.delete_key(uid)?;
Ok(HttpResponse::NoContent().finish()) Ok(HttpResponse::NoContent().finish())
} }

2
meilisearch/src/routes/dump.rs
View File

@ -29,7 +29,7 @@ pub async fn create_dump(
keys: auth_controller.list_keys()?, keys: auth_controller.list_keys()?,
instance_uid: analytics.instance_uid().cloned(), instance_uid: analytics.instance_uid().cloned(),
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))

10
meilisearch/src/routes/indexes/documents.rs
View File

@ -129,7 +129,7 @@ pub async fn delete_document(
index_uid: index_uid.to_string(), index_uid: index_uid.to_string(),
documents_ids: vec![document_id], documents_ids: vec![document_id],
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
} }
@ -444,7 +444,7 @@ async fn document_addition(
}; };
let scheduler = index_scheduler.clone(); let scheduler = index_scheduler.clone();
let task = match scheduler.register(task).await { let task = match scheduler.register(task) {
Ok(task) => task, Ok(task) => task,
Err(e) => { Err(e) => {
index_scheduler.delete_update_file(uuid)?; index_scheduler.delete_update_file(uuid)?;
@ -475,7 +475,7 @@ pub async fn delete_documents_batch(
let task = let task =
KindWithContent::DocumentDeletion { index_uid: index_uid.to_string(), documents_ids: ids }; KindWithContent::DocumentDeletion { index_uid: index_uid.to_string(), documents_ids: ids };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -510,7 +510,7 @@ pub async fn delete_documents_by_filter(
.map_err(|err| ResponseError::from_msg(err.message, Code::InvalidDocumentFilter))?; .map_err(|err| ResponseError::from_msg(err.message, Code::InvalidDocumentFilter))?;
let task = KindWithContent::DocumentDeletionByFilter { index_uid, filter_expr: filter }; let task = KindWithContent::DocumentDeletionByFilter { index_uid, filter_expr: filter };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -526,7 +526,7 @@ pub async fn clear_all_documents(
analytics.delete_documents(DocumentDeletionKind::ClearAll, &req); analytics.delete_documents(DocumentDeletionKind::ClearAll, &req);
let task = KindWithContent::DocumentClear { index_uid: index_uid.to_string() }; let task = KindWithContent::DocumentClear { index_uid: index_uid.to_string() };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))

6
meilisearch/src/routes/indexes/mod.rs
View File

@ -135,7 +135,7 @@ pub async fn create_index(
); );
let task = KindWithContent::IndexCreation { index_uid: uid.to_string(), primary_key }; let task = KindWithContent::IndexCreation { index_uid: uid.to_string(), primary_key };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
} else { } else {
@ -202,7 +202,7 @@ pub async fn update_index(
primary_key: body.primary_key, primary_key: body.primary_key,
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -214,7 +214,7 @@ pub async fn delete_index(
) -> Result<HttpResponse, ResponseError> { ) -> Result<HttpResponse, ResponseError> {
let index_uid = IndexUid::try_from(index_uid.into_inner())?; let index_uid = IndexUid::try_from(index_uid.into_inner())?;
let task = KindWithContent::IndexDeletion { index_uid: index_uid.into_inner() }; let task = KindWithContent::IndexDeletion { index_uid: index_uid.into_inner() };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
} }

8
meilisearch/src/routes/indexes/settings.rs
View File

@ -55,7 +55,7 @@ macro_rules! make_setting_route {
is_deletion: true, is_deletion: true,
allow_index_creation, allow_index_creation,
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -94,7 +94,7 @@ macro_rules! make_setting_route {
is_deletion: false, is_deletion: false,
allow_index_creation, allow_index_creation,
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -580,7 +580,7 @@ pub async fn update_all(
is_deletion: false, is_deletion: false,
allow_index_creation, allow_index_creation,
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
@ -615,7 +615,7 @@ pub async fn delete_all(
is_deletion: true, is_deletion: true,
allow_index_creation, allow_index_creation,
}; };
let task: SummarizedTaskView = index_scheduler.register(task).await?.into(); let task: SummarizedTaskView = index_scheduler.register(task)?.into();
debug!("returns: {:?}", task); debug!("returns: {:?}", task);
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))

2
meilisearch/src/routes/swap_indexes.rs
View File

@ -61,7 +61,7 @@ pub async fn swap_indexes(
let task = KindWithContent::IndexSwap { swaps }; let task = KindWithContent::IndexSwap { swaps };
let task = index_scheduler.register(task).await?; let task = index_scheduler.register(task)?;
let task: SummarizedTaskView = task.into(); let task: SummarizedTaskView = task.into();
Ok(HttpResponse::Accepted().json(task)) Ok(HttpResponse::Accepted().json(task))
} }

4
meilisearch/src/routes/tasks.rs
View File

@ -332,7 +332,7 @@ async fn cancel_tasks(
let task_cancelation = let task_cancelation =
KindWithContent::TaskCancelation { query: format!("?{}", req.query_string()), tasks }; KindWithContent::TaskCancelation { query: format!("?{}", req.query_string()), tasks };
let task = index_scheduler.register(task_cancelation).await?; let task = index_scheduler.register(task_cancelation)?;
let task: SummarizedTaskView = task.into(); let task: SummarizedTaskView = task.into();
Ok(HttpResponse::Ok().json(task)) Ok(HttpResponse::Ok().json(task))
@ -377,7 +377,7 @@ async fn delete_tasks(
let task_deletion = let task_deletion =
KindWithContent::TaskDeletion { query: format!("?{}", req.query_string()), tasks }; KindWithContent::TaskDeletion { query: format!("?{}", req.query_string()), tasks };
let task = index_scheduler.register(task_deletion).await?; let task = index_scheduler.register(task_deletion)?;
let task: SummarizedTaskView = task.into(); let task: SummarizedTaskView = task.into();
Ok(HttpResponse::Ok().json(task)) Ok(HttpResponse::Ok().json(task))