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|
use std::path::PathBuf;
use tokio::sync::watch;
use garage_db as db;
use garage_util::background::*;
use garage_util::config::*;
use garage_util::error::Error;
use garage_api::admin::api_server::AdminApiServer;
use garage_api::s3::api_server::S3ApiServer;
use garage_model::garage::Garage;
use garage_web::run_web_server;
#[cfg(feature = "k2v")]
use garage_api::k2v::api_server::K2VApiServer;
use crate::admin::*;
use crate::tracing_setup::*;
async fn wait_from(mut chan: watch::Receiver<bool>) {
while !*chan.borrow() {
if chan.changed().await.is_err() {
return;
}
}
}
pub async fn run_server(config_file: PathBuf) -> Result<(), Error> {
info!("Loading configuration...");
let config = read_config(config_file).expect("Unable to read config file");
info!("Opening database...");
let db = match config.db_engine.as_str() {
"sled" => {
let mut db_path = config.metadata_dir.clone();
db_path.push("db");
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()
.expect("Unable to open sled DB");
db::sled_adapter::SledDb::init(db)
}
"sqlite" => {
let mut db_path = config.metadata_dir.clone();
db_path.push("db.sqlite");
let db = db::sqlite_adapter::rusqlite::Connection::open(db_path)
.expect("Unable to open sqlite DB");
db::sqlite_adapter::SqliteDb::init(db)
}
e => {
return Err(Error::Message(format!(
"Unsupported DB engine: {} (options: sled, sqlite)",
e
)));
}
};
info!("Initializing background runner...");
let watch_cancel = netapp::util::watch_ctrl_c();
let (background, await_background_done) = BackgroundRunner::new(16, watch_cancel.clone());
info!("Initializing Garage main data store...");
let garage = Garage::new(config.clone(), db, background);
info!("Initialize tracing...");
if let Some(export_to) = config.admin.trace_sink {
init_tracing(&export_to, garage.system.id)?;
}
info!("Initialize Admin API server and metrics collector...");
let admin_server = AdminApiServer::new(garage.clone());
let run_system = tokio::spawn(garage.system.clone().run(watch_cancel.clone()));
info!("Create admin RPC handler...");
AdminRpcHandler::new(garage.clone());
info!("Initializing S3 API server...");
let s3_api_server = tokio::spawn(S3ApiServer::run(
garage.clone(),
wait_from(watch_cancel.clone()),
));
#[cfg(feature = "k2v")]
let k2v_api_server = {
info!("Initializing K2V API server...");
tokio::spawn(K2VApiServer::run(
garage.clone(),
wait_from(watch_cancel.clone()),
))
};
info!("Initializing web server...");
let web_server = tokio::spawn(run_web_server(
garage.clone(),
wait_from(watch_cancel.clone()),
));
info!("Launching Admin API server...");
let admin_server = tokio::spawn(admin_server.run(wait_from(watch_cancel.clone())));
// Stuff runs
// When a cancel signal is sent, stuff stops
if let Err(e) = s3_api_server.await? {
warn!("S3 API server exited with error: {}", e);
} else {
info!("S3 API server exited without error.");
}
#[cfg(feature = "k2v")]
if let Err(e) = k2v_api_server.await? {
warn!("K2V API server exited with error: {}", e);
} else {
info!("K2V API server exited without error.");
}
if let Err(e) = web_server.await? {
warn!("Web server exited with error: {}", e);
} else {
info!("Web server exited without error.");
}
if let Err(e) = admin_server.await? {
warn!("Admin web server exited with error: {}", e);
} else {
info!("Admin API server exited without error.");
}
// Remove RPC handlers for system to break reference cycles
garage.system.netapp.drop_all_handlers();
opentelemetry::global::shutdown_tracer_provider();
// Await for netapp RPC system to end
run_system.await?;
info!("Netapp exited");
// Drop all references so that stuff can terminate properly
drop(garage);
// Await for all background tasks to end
await_background_done.await?;
info!("Cleaning up...");
Ok(())
}
|
