use std::path::PathBuf; use std::sync::Arc; use futures_util::future::*; use tokio::sync::watch; use garage_util::background::*; use garage_util::config::*; use garage_util::error::Error; use garage_api::api_server; use garage_core::garage::Garage; use garage_rpc::rpc_server::RpcServer; use crate::admin_rpc::*; async fn shutdown_signal(send_cancel: watch::Sender) -> Result<(), Error> { // Wait for the CTRL+C signal tokio::signal::ctrl_c() .await .expect("failed to install CTRL+C signal handler"); info!("Received CTRL+C, shutting down."); send_cancel.broadcast(true)?; Ok(()) } async fn wait_from(mut chan: watch::Receiver) -> () { while let Some(exit_now) = chan.recv().await { if exit_now { 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 mut db_path = config.metadata_dir.clone(); db_path.push("db"); let db = sled::open(db_path).expect("Unable to open DB"); info!("Initialize RPC server..."); let mut rpc_server = RpcServer::new(config.rpc_bind_addr.clone(), config.rpc_tls.clone()); info!("Initializing background runner..."); let (send_cancel, watch_cancel) = watch::channel(false); let background = BackgroundRunner::new(16, watch_cancel.clone()); let garage = Garage::new(config, db, background.clone(), &mut rpc_server).await; info!("Crate admin RPC handler..."); AdminRpcHandler::new(garage.clone()).register_handler(&mut rpc_server); info!("Initializing RPC and API servers..."); let run_rpc_server = Arc::new(rpc_server).run(wait_from(watch_cancel.clone())); let api_server = api_server::run_api_server(garage.clone(), wait_from(watch_cancel.clone())); futures::try_join!( garage .system .clone() .bootstrap( &garage.config.bootstrap_peers[..], garage.config.consul_host.clone(), garage.config.consul_service_name.clone() ) .map(|rv| { info!("Bootstrap done"); Ok(rv) }), run_rpc_server.map(|rv| { info!("RPC server exited"); rv }), api_server.map(|rv| { info!("API server exited"); rv }), background.run().map(|rv| { info!("Background runner exited"); Ok(rv) }), shutdown_signal(send_cancel), )?; info!("Cleaning up..."); Ok(()) }