forked from Deuxfleurs/garage
216 lines
6.3 KiB
Rust
216 lines
6.3 KiB
Rust
use std::path::PathBuf;
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use tokio::sync::watch;
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use garage_util::background::*;
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use garage_util::config::*;
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use garage_util::error::Error;
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use garage_api::admin::api_server::AdminApiServer;
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use garage_api::s3::api_server::S3ApiServer;
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use garage_model::garage::Garage;
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use garage_web::WebServer;
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#[cfg(feature = "k2v")]
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use garage_api::k2v::api_server::K2VApiServer;
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use crate::admin::*;
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use crate::secrets::{fill_secrets, Secrets};
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#[cfg(feature = "telemetry-otlp")]
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use crate::tracing_setup::*;
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async fn wait_from(mut chan: watch::Receiver<bool>) {
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while !*chan.borrow() {
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if chan.changed().await.is_err() {
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return;
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}
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}
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}
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pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Error> {
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info!("Loading configuration...");
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let config = fill_secrets(read_config(config_file)?, secrets)?;
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// ---- Initialize Garage internals ----
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#[cfg(feature = "metrics")]
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let metrics_exporter = opentelemetry_prometheus::exporter()
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.with_default_summary_quantiles(vec![0.25, 0.5, 0.75, 0.9, 0.95, 0.99])
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.with_default_histogram_boundaries(vec![
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0.001, 0.0015, 0.002, 0.003, 0.005, 0.007, 0.01, 0.015, 0.02, 0.03, 0.05, 0.07, 0.1,
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0.15, 0.2, 0.3, 0.5, 0.7, 1., 1.5, 2., 3., 5., 7., 10., 15., 20., 30., 40., 50., 60.,
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70., 100.,
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])
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.init();
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info!("Initializing Garage main data store...");
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let garage = Garage::new(config.clone())?;
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info!("Initializing background runner...");
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let watch_cancel = watch_shutdown_signal();
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let (background, await_background_done) = BackgroundRunner::new(watch_cancel.clone());
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info!("Spawning Garage workers...");
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garage.spawn_workers(&background);
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if config.admin.trace_sink.is_some() {
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info!("Initialize tracing...");
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#[cfg(feature = "telemetry-otlp")]
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init_tracing(config.admin.trace_sink.as_ref().unwrap(), garage.system.id)?;
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#[cfg(not(feature = "telemetry-otlp"))]
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error!("Garage was built without OTLP exporter, admin.trace_sink is ignored.");
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}
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info!("Initialize Admin API server and metrics collector...");
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let admin_server = AdminApiServer::new(
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garage.clone(),
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#[cfg(feature = "metrics")]
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metrics_exporter,
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);
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info!("Launching internal Garage cluster communications...");
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let run_system = tokio::spawn(garage.system.clone().run(watch_cancel.clone()));
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info!("Create admin RPC handler...");
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AdminRpcHandler::new(garage.clone(), background.clone());
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// ---- Launch public-facing API servers ----
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let mut servers = vec![];
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if let Some(s3_bind_addr) = &config.s3_api.api_bind_addr {
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info!("Initializing S3 API server...");
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servers.push((
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"S3 API",
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tokio::spawn(S3ApiServer::run(
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garage.clone(),
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s3_bind_addr.clone(),
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config.s3_api.s3_region.clone(),
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watch_cancel.clone(),
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)),
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));
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}
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if config.k2v_api.is_some() {
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#[cfg(feature = "k2v")]
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{
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info!("Initializing K2V API server...");
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servers.push((
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"K2V API",
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tokio::spawn(K2VApiServer::run(
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garage.clone(),
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config.k2v_api.as_ref().unwrap().api_bind_addr.clone(),
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config.s3_api.s3_region.clone(),
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watch_cancel.clone(),
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)),
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));
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}
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#[cfg(not(feature = "k2v"))]
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error!("K2V is not enabled in this build, cannot start K2V API server");
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}
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if let Some(web_config) = &config.s3_web {
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info!("Initializing web server...");
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let web_server = WebServer::new(garage.clone(), web_config.root_domain.clone());
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servers.push((
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"Web",
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tokio::spawn(web_server.run(web_config.bind_addr.clone(), watch_cancel.clone())),
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));
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}
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if let Some(admin_bind_addr) = &config.admin.api_bind_addr {
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info!("Launching Admin API server...");
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servers.push((
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"Admin",
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tokio::spawn(admin_server.run(admin_bind_addr.clone(), watch_cancel.clone())),
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));
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}
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#[cfg(not(feature = "metrics"))]
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if config.admin.metrics_token.is_some() {
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warn!("This Garage version is built without the metrics feature");
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}
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if servers.is_empty() {
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// Nothing runs except netapp (not in servers)
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// Await shutdown signal before proceeding to shutting down netapp
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wait_from(watch_cancel).await;
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} else {
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// Stuff runs
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// When a cancel signal is sent, stuff stops
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// Collect stuff
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for (desc, join_handle) in servers {
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if let Err(e) = join_handle.await? {
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error!("{} server exited with error: {}", desc, e);
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} else {
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info!("{} server exited without error.", desc);
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}
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}
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}
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// Remove RPC handlers for system to break reference cycles
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info!("Deregistering RPC handlers for shutdown...");
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garage.system.netapp.drop_all_handlers();
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opentelemetry::global::shutdown_tracer_provider();
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// Await for netapp RPC system to end
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run_system.await?;
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info!("Netapp exited");
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// Drop all references so that stuff can terminate properly
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garage.system.cleanup();
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drop(garage);
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// Await for all background tasks to end
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await_background_done.await?;
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info!("Cleaning up...");
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Ok(())
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}
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#[cfg(unix)]
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fn watch_shutdown_signal() -> watch::Receiver<bool> {
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use tokio::signal::unix::*;
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let (send_cancel, watch_cancel) = watch::channel(false);
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tokio::spawn(async move {
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let mut sigint = signal(SignalKind::interrupt()).expect("Failed to install SIGINT handler");
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let mut sigterm =
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signal(SignalKind::terminate()).expect("Failed to install SIGTERM handler");
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let mut sighup = signal(SignalKind::hangup()).expect("Failed to install SIGHUP handler");
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tokio::select! {
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_ = sigint.recv() => info!("Received SIGINT, shutting down."),
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_ = sigterm.recv() => info!("Received SIGTERM, shutting down."),
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_ = sighup.recv() => info!("Received SIGHUP, shutting down."),
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}
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send_cancel.send(true).unwrap();
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});
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watch_cancel
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}
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#[cfg(windows)]
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fn watch_shutdown_signal() -> watch::Receiver<bool> {
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use tokio::signal::windows::*;
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let (send_cancel, watch_cancel) = watch::channel(false);
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tokio::spawn(async move {
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let mut sigint = ctrl_c().expect("Failed to install Ctrl-C handler");
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let mut sigclose = ctrl_close().expect("Failed to install Ctrl-Close handler");
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let mut siglogoff = ctrl_logoff().expect("Failed to install Ctrl-Logoff handler");
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let mut sigsdown = ctrl_shutdown().expect("Failed to install Ctrl-Shutdown handler");
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tokio::select! {
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_ = sigint.recv() => info!("Received Ctrl-C, shutting down."),
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_ = sigclose.recv() => info!("Received Ctrl-Close, shutting down."),
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_ = siglogoff.recv() => info!("Received Ctrl-Logoff, shutting down."),
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_ = sigsdown.recv() => info!("Received Ctrl-Shutdown, shutting down."),
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}
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send_cancel.send(true).unwrap();
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});
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watch_cancel
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}
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