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|
use std::sync::Arc;
use std::time::Duration;
use async_trait::async_trait;
use tokio::sync::watch;
use garage_block::repair::ScrubWorkerCommand;
use garage_model::garage::Garage;
use garage_model::s3::block_ref_table::*;
use garage_model::s3::object_table::*;
use garage_model::s3::version_table::*;
use garage_table::*;
use garage_util::background::*;
use garage_util::error::Error;
use garage_util::migrate::Migrate;
use crate::*;
pub async fn launch_online_repair(
garage: &Arc<Garage>,
bg: &BackgroundRunner,
opt: RepairOpt,
) -> Result<(), Error> {
match opt.what {
RepairWhat::Tables => {
info!("Launching a full sync of tables");
garage.bucket_table.syncer.add_full_sync()?;
garage.object_table.syncer.add_full_sync()?;
garage.version_table.syncer.add_full_sync()?;
garage.block_ref_table.syncer.add_full_sync()?;
garage.key_table.syncer.add_full_sync()?;
}
RepairWhat::Versions => {
info!("Repairing the versions table");
bg.spawn_worker(RepairVersionsWorker::new(garage.clone()));
}
RepairWhat::BlockRefs => {
info!("Repairing the block refs table");
bg.spawn_worker(RepairBlockrefsWorker::new(garage.clone()));
}
RepairWhat::Blocks => {
info!("Repairing the stored blocks");
bg.spawn_worker(garage_block::repair::RepairWorker::new(
garage.block_manager.clone(),
));
}
RepairWhat::Scrub { cmd } => {
let cmd = match cmd {
ScrubCmd::Start => ScrubWorkerCommand::Start,
ScrubCmd::Pause => ScrubWorkerCommand::Pause(Duration::from_secs(3600 * 24)),
ScrubCmd::Resume => ScrubWorkerCommand::Resume,
ScrubCmd::Cancel => ScrubWorkerCommand::Cancel,
ScrubCmd::SetTranquility { tranquility } => {
garage
.block_manager
.scrub_persister
.set_with(|x| x.tranquility = tranquility)?;
return Ok(());
}
};
info!("Sending command to scrub worker: {:?}", cmd);
garage.block_manager.send_scrub_command(cmd).await?;
}
}
Ok(())
}
// ----
struct RepairVersionsWorker {
garage: Arc<Garage>,
pos: Vec<u8>,
counter: usize,
}
impl RepairVersionsWorker {
fn new(garage: Arc<Garage>) -> Self {
Self {
garage,
pos: vec![],
counter: 0,
}
}
}
#[async_trait]
impl Worker for RepairVersionsWorker {
fn name(&self) -> String {
"Version repair worker".into()
}
fn status(&self) -> WorkerStatus {
WorkerStatus {
progress: Some(self.counter.to_string()),
..Default::default()
}
}
async fn work(&mut self, _must_exit: &mut watch::Receiver<bool>) -> Result<WorkerState, Error> {
let (item_bytes, next_pos) = match self.garage.version_table.data.store.get_gt(&self.pos)? {
Some((k, v)) => (v, k),
None => {
info!("repair_versions: finished, done {}", self.counter);
return Ok(WorkerState::Done);
}
};
let version = Version::decode(&item_bytes).ok_or_message("Cannot decode Version")?;
if !version.deleted.get() {
let object = self
.garage
.object_table
.get(&version.bucket_id, &version.key)
.await?;
let version_exists = match object {
Some(o) => o
.versions()
.iter()
.any(|x| x.uuid == version.uuid && x.state != ObjectVersionState::Aborted),
None => false,
};
if !version_exists {
info!("Repair versions: marking version as deleted: {:?}", version);
self.garage
.version_table
.insert(&Version::new(
version.uuid,
version.bucket_id,
version.key,
true,
))
.await?;
}
}
self.counter += 1;
self.pos = next_pos;
Ok(WorkerState::Busy)
}
async fn wait_for_work(&mut self) -> WorkerState {
unreachable!()
}
}
// ----
struct RepairBlockrefsWorker {
garage: Arc<Garage>,
pos: Vec<u8>,
counter: usize,
}
impl RepairBlockrefsWorker {
fn new(garage: Arc<Garage>) -> Self {
Self {
garage,
pos: vec![],
counter: 0,
}
}
}
#[async_trait]
impl Worker for RepairBlockrefsWorker {
fn name(&self) -> String {
"Block refs repair worker".into()
}
fn status(&self) -> WorkerStatus {
WorkerStatus {
progress: Some(self.counter.to_string()),
..Default::default()
}
}
async fn work(&mut self, _must_exit: &mut watch::Receiver<bool>) -> Result<WorkerState, Error> {
let (item_bytes, next_pos) =
match self.garage.block_ref_table.data.store.get_gt(&self.pos)? {
Some((k, v)) => (v, k),
None => {
info!("repair_block_ref: finished, done {}", self.counter);
return Ok(WorkerState::Done);
}
};
let block_ref = BlockRef::decode(&item_bytes).ok_or_message("Cannot decode BlockRef")?;
if !block_ref.deleted.get() {
let version = self
.garage
.version_table
.get(&block_ref.version, &EmptyKey)
.await?;
// The version might not exist if it has been GC'ed
let ref_exists = version.map(|v| !v.deleted.get()).unwrap_or(false);
if !ref_exists {
info!(
"Repair block ref: marking block_ref as deleted: {:?}",
block_ref
);
self.garage
.block_ref_table
.insert(&BlockRef {
block: block_ref.block,
version: block_ref.version,
deleted: true.into(),
})
.await?;
}
}
self.counter += 1;
self.pos = next_pos;
Ok(WorkerState::Busy)
}
async fn wait_for_work(&mut self) -> WorkerState {
unreachable!()
}
}
|
