garage/src/model/garage.rs

353 lines
10 KiB
Rust

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<System>,
/// The block manager
pub block_manager: Arc<BlockManager>,
/// Table containing buckets
pub bucket_table: Arc<Table<BucketTable, TableFullReplication>>,
/// Table containing bucket aliases
pub bucket_alias_table: Arc<Table<BucketAliasTable, TableFullReplication>>,
/// Table containing api keys
pub key_table: Arc<Table<KeyTable, TableFullReplication>>,
/// Table containing S3 objects
pub object_table: Arc<Table<ObjectTable, TableShardedReplication>>,
/// Counting table containing object counters
pub object_counter_table: Arc<IndexCounter<Object>>,
/// Table containing S3 object versions
pub version_table: Arc<Table<VersionTable, TableShardedReplication>>,
/// Table containing S3 block references (not blocks themselves)
pub block_ref_table: Arc<Table<BlockRefTable, TableShardedReplication>>,
#[cfg(feature = "k2v")]
pub k2v: GarageK2V,
}
#[cfg(feature = "k2v")]
pub struct GarageK2V {
/// Table containing K2V items
pub item_table: Arc<Table<K2VItemTable, TableShardedReplication>>,
/// Indexing table containing K2V item counters
pub counter_table: Arc<IndexCounter<K2VItem>>,
/// K2V RPC handler
pub rpc: Arc<K2VRpcHandler>,
}
impl Garage {
/// Create and run garage
pub fn new(config: Config) -> Result<Arc<Self>, 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)
.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)
.and_then(|db| {
db.pragma_update(None, "journal_mode", &"WAL")?;
db.pragma_update(None, "synchronous", &"NORMAL")?;
Ok(db)
})
.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 = garage_db::lmdb_adapter::recommended_map_size();
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::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). \
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<System>, 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);
}
}