use std::sync::Arc; use netapp::NetworkKey; use garage_db as db; use garage_util::background::*; use garage_util::config::*; use garage_util::error::*; use garage_rpc::replication_mode::ReplicationMode; use garage_rpc::system::System; use garage_block::manager::*; use garage_table::replication::TableFullReplication; use garage_table::replication::TableShardedReplication; use garage_table::*; use crate::s3::block_ref_table::*; use crate::s3::object_table::*; use crate::s3::version_table::*; use crate::bucket_alias_table::*; use crate::bucket_table::*; use crate::helper; use crate::index_counter::*; use crate::key_table::*; #[cfg(feature = "k2v")] use crate::k2v::{item_table::*, rpc::*, sub::*}; /// An entire Garage full of data pub struct Garage { /// The parsed configuration Garage is running pub config: Config, /// The set of background variables that can be viewed/modified at runtime pub bg_vars: vars::BgVars, /// The replication mode of this cluster pub replication_mode: ReplicationMode, /// The local database pub db: db::Db, /// The membership manager pub system: Arc, /// The block manager pub block_manager: Arc, /// Table containing buckets pub bucket_table: Arc>, /// Table containing bucket aliases pub bucket_alias_table: Arc>, /// Table containing api keys pub key_table: Arc>, /// Table containing S3 objects pub object_table: Arc>, /// Counting table containing object counters pub object_counter_table: Arc>, /// Table containing S3 object versions pub version_table: Arc>, /// Table containing S3 block references (not blocks themselves) pub block_ref_table: Arc>, #[cfg(feature = "k2v")] pub k2v: GarageK2V, } #[cfg(feature = "k2v")] pub struct GarageK2V { /// Table containing K2V items pub item_table: Arc>, /// Indexing table containing K2V item counters pub counter_table: Arc>, /// K2V RPC handler pub rpc: Arc, } impl Garage { /// Create and run garage pub fn new(config: Config) -> Result, Error> { // Create meta dir and data dir if they don't exist already std::fs::create_dir_all(&config.metadata_dir) .ok_or_message("Unable to create Garage metadata directory")?; std::fs::create_dir_all(&config.data_dir) .ok_or_message("Unable to create Garage data directory")?; info!("Opening database..."); let mut db_path = config.metadata_dir.clone(); let db = match config.db_engine.as_str() { // ---- Sled DB ---- #[cfg(feature = "sled")] "sled" => { db_path.push("db"); info!("Opening Sled database at: {}", db_path.display()); let db = db::sled_adapter::sled::Config::default() .path(&db_path) .cache_capacity(config.sled_cache_capacity as u64) .flush_every_ms(Some(config.sled_flush_every_ms)) .open() .ok_or_message("Unable to open sled DB")?; db::sled_adapter::SledDb::init(db) } #[cfg(not(feature = "sled"))] "sled" => return Err(Error::Message("sled db not available in this build".into())), // ---- Sqlite DB ---- #[cfg(feature = "sqlite")] "sqlite" | "sqlite3" | "rusqlite" => { db_path.push("db.sqlite"); info!("Opening Sqlite database at: {}", db_path.display()); let db = db::sqlite_adapter::rusqlite::Connection::open(db_path) .ok_or_message("Unable to open sqlite DB")?; db::sqlite_adapter::SqliteDb::init(db) } #[cfg(not(feature = "sqlite"))] "sqlite" | "sqlite3" | "rusqlite" => { return Err(Error::Message( "sqlite db not available in this build".into(), )) } // ---- LMDB DB ---- #[cfg(feature = "lmdb")] "lmdb" | "heed" => { db_path.push("db.lmdb"); info!("Opening LMDB database at: {}", db_path.display()); std::fs::create_dir_all(&db_path) .ok_or_message("Unable to create LMDB data directory")?; let map_size = match config.lmdb_map_size { v if v == usize::default() => garage_db::lmdb_adapter::recommended_map_size(), v => v - (v % 4096), }; use db::lmdb_adapter::heed; let mut env_builder = heed::EnvOpenOptions::new(); env_builder.max_dbs(100); env_builder.max_readers(500); env_builder.map_size(map_size); unsafe { env_builder.flag(heed::flags::Flags::MdbNoSync); env_builder.flag(heed::flags::Flags::MdbNoMetaSync); } let db = match env_builder.open(&db_path) { Err(heed::Error::Io(e)) if e.kind() == std::io::ErrorKind::OutOfMemory => { return Err(Error::Message( "OutOfMemory error while trying to open LMDB database. This can happen \ if your operating system is not allowing you to use sufficient virtual \ memory address space. Please check that no limit is set (ulimit -v). \ You may also try to set a smaller `lmdb_map_size` configuration parameter. \ On 32-bit machines, you should probably switch to another database engine.".into())) } x => x.ok_or_message("Unable to open LMDB DB")?, }; db::lmdb_adapter::LmdbDb::init(db) } #[cfg(not(feature = "lmdb"))] "lmdb" | "heed" => return Err(Error::Message("lmdb db not available in this build".into())), // ---- Unavailable DB engine ---- e => { return Err(Error::Message(format!( "Unsupported DB engine: {} (options: {})", e, vec![ #[cfg(feature = "sled")] "sled", #[cfg(feature = "sqlite")] "sqlite", #[cfg(feature = "lmdb")] "lmdb", ] .join(", ") ))); } }; let network_key = hex::decode(config.rpc_secret.as_ref().ok_or_message( "rpc_secret value is missing, not present in config file or in environment", )?) .ok() .and_then(|x| NetworkKey::from_slice(&x)) .ok_or_message("Invalid RPC secret key")?; let replication_mode = ReplicationMode::parse(&config.replication_mode) .ok_or_message("Invalid replication_mode in config file.")?; info!("Initialize membership management system..."); let system = System::new(network_key, replication_mode, &config)?; let data_rep_param = TableShardedReplication { system: system.clone(), replication_factor: replication_mode.replication_factor(), write_quorum: replication_mode.write_quorum(), read_quorum: 1, }; let meta_rep_param = TableShardedReplication { system: system.clone(), replication_factor: replication_mode.replication_factor(), write_quorum: replication_mode.write_quorum(), read_quorum: replication_mode.read_quorum(), }; let control_rep_param = TableFullReplication { system: system.clone(), max_faults: replication_mode.control_write_max_faults(), }; info!("Initialize block manager..."); let block_manager = BlockManager::new( &db, config.data_dir.clone(), config.compression_level, data_rep_param, system.clone(), ); // ---- admin tables ---- info!("Initialize bucket_table..."); let bucket_table = Table::new(BucketTable, control_rep_param.clone(), system.clone(), &db); info!("Initialize bucket_alias_table..."); let bucket_alias_table = Table::new( BucketAliasTable, control_rep_param.clone(), system.clone(), &db, ); info!("Initialize key_table_table..."); let key_table = Table::new(KeyTable, control_rep_param, system.clone(), &db); // ---- S3 tables ---- info!("Initialize block_ref_table..."); let block_ref_table = Table::new( BlockRefTable { block_manager: block_manager.clone(), }, meta_rep_param.clone(), system.clone(), &db, ); info!("Initialize version_table..."); let version_table = Table::new( VersionTable { block_ref_table: block_ref_table.clone(), }, meta_rep_param.clone(), system.clone(), &db, ); info!("Initialize object counter table..."); let object_counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), &db); info!("Initialize object_table..."); #[allow(clippy::redundant_clone)] let object_table = Table::new( ObjectTable { version_table: version_table.clone(), object_counter_table: object_counter_table.clone(), }, meta_rep_param.clone(), system.clone(), &db, ); // ---- K2V ---- #[cfg(feature = "k2v")] let k2v = GarageK2V::new(system.clone(), &db, meta_rep_param); // Initialize bg vars let mut bg_vars = vars::BgVars::new(); block_manager.register_bg_vars(&mut bg_vars); // -- done -- Ok(Arc::new(Self { config, bg_vars, replication_mode, db, system, block_manager, bucket_table, bucket_alias_table, key_table, object_table, object_counter_table, version_table, block_ref_table, #[cfg(feature = "k2v")] k2v, })) } pub fn spawn_workers(&self, bg: &BackgroundRunner) { self.block_manager.spawn_workers(bg); self.bucket_table.spawn_workers(bg); self.bucket_alias_table.spawn_workers(bg); self.key_table.spawn_workers(bg); self.object_table.spawn_workers(bg); self.object_counter_table.spawn_workers(bg); self.version_table.spawn_workers(bg); self.block_ref_table.spawn_workers(bg); #[cfg(feature = "k2v")] self.k2v.spawn_workers(bg); } pub fn bucket_helper(&self) -> helper::bucket::BucketHelper { helper::bucket::BucketHelper(self) } pub fn key_helper(&self) -> helper::key::KeyHelper { helper::key::KeyHelper(self) } } #[cfg(feature = "k2v")] impl GarageK2V { fn new(system: Arc, db: &db::Db, meta_rep_param: TableShardedReplication) -> Self { info!("Initialize K2V counter table..."); let counter_table = IndexCounter::new(system.clone(), meta_rep_param.clone(), db); info!("Initialize K2V subscription manager..."); let subscriptions = Arc::new(SubscriptionManager::new()); info!("Initialize K2V item table..."); let item_table = Table::new( K2VItemTable { counter_table: counter_table.clone(), subscriptions: subscriptions.clone(), }, meta_rep_param, system.clone(), db, ); info!("Initialize K2V RPC handler..."); let rpc = K2VRpcHandler::new(system, db, item_table.clone(), subscriptions); Self { item_table, counter_table, rpc, } } pub fn spawn_workers(&self, bg: &BackgroundRunner) { self.item_table.spawn_workers(bg); self.counter_table.spawn_workers(bg); } }