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|
use std::path::PathBuf;
use tokio::sync::watch;
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::WebServer;
#[cfg(feature = "k2v")]
use garage_api::k2v::api_server::K2VApiServer;
use crate::admin::*;
#[cfg(feature = "telemetry-otlp")]
use crate::tracing_setup::*;
use crate::{fill_secrets, Secrets};
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, secrets: Secrets) -> Result<(), Error> {
info!("Loading configuration...");
let config = fill_secrets(read_config(config_file)?, secrets);
// ---- Initialize Garage internals ----
#[cfg(feature = "metrics")]
let metrics_exporter = opentelemetry_prometheus::exporter().init();
info!("Initializing Garage main data store...");
let garage = Garage::new(config.clone())?;
info!("Initializing background runner...");
let watch_cancel = watch_shutdown_signal();
let (background, await_background_done) = BackgroundRunner::new(watch_cancel.clone());
info!("Spawning Garage workers...");
garage.spawn_workers(&background);
if config.admin.trace_sink.is_some() {
info!("Initialize tracing...");
#[cfg(feature = "telemetry-otlp")]
init_tracing(config.admin.trace_sink.as_ref().unwrap(), garage.system.id)?;
#[cfg(not(feature = "telemetry-otlp"))]
error!("Garage was built without OTLP exporter, admin.trace_sink is ignored.");
}
info!("Initialize Admin API server and metrics collector...");
let admin_server = AdminApiServer::new(
garage.clone(),
#[cfg(feature = "metrics")]
metrics_exporter,
);
info!("Launching internal Garage cluster communications...");
let run_system = tokio::spawn(garage.system.clone().run(watch_cancel.clone()));
info!("Create admin RPC handler...");
AdminRpcHandler::new(garage.clone(), background.clone());
// ---- Launch public-facing API servers ----
let mut servers = vec![];
if let Some(s3_bind_addr) = &config.s3_api.api_bind_addr {
info!("Initializing S3 API server...");
servers.push((
"S3 API",
tokio::spawn(S3ApiServer::run(
garage.clone(),
s3_bind_addr.clone(),
config.s3_api.s3_region.clone(),
wait_from(watch_cancel.clone()),
)),
));
}
if config.k2v_api.is_some() {
#[cfg(feature = "k2v")]
{
info!("Initializing K2V API server...");
servers.push((
"K2V API",
tokio::spawn(K2VApiServer::run(
garage.clone(),
config.k2v_api.as_ref().unwrap().api_bind_addr.clone(),
config.s3_api.s3_region.clone(),
wait_from(watch_cancel.clone()),
)),
));
}
#[cfg(not(feature = "k2v"))]
error!("K2V is not enabled in this build, cannot start K2V API server");
}
if let Some(web_config) = &config.s3_web {
info!("Initializing web server...");
servers.push((
"Web",
tokio::spawn(WebServer::run(
garage.clone(),
web_config.bind_addr.clone(),
web_config.root_domain.clone(),
wait_from(watch_cancel.clone()),
)),
));
}
if let Some(admin_bind_addr) = &config.admin.api_bind_addr {
info!("Launching Admin API server...");
servers.push((
"Admin",
tokio::spawn(
admin_server.run(admin_bind_addr.clone(), wait_from(watch_cancel.clone())),
),
));
}
#[cfg(not(feature = "metrics"))]
if config.admin.metrics_token.is_some() {
warn!("This Garage version is built without the metrics feature");
}
if servers.is_empty() {
// Nothing runs except netapp (not in servers)
// Await shutdown signal before proceeding to shutting down netapp
wait_from(watch_cancel).await;
} else {
// Stuff runs
// When a cancel signal is sent, stuff stops
// Collect stuff
for (desc, join_handle) in servers {
if let Err(e) = join_handle.await? {
error!("{} server exited with error: {}", desc, e);
} else {
info!("{} server exited without error.", desc);
}
}
}
// Remove RPC handlers for system to break reference cycles
info!("Deregistering RPC handlers for shutdown...");
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(())
}
#[cfg(unix)]
fn watch_shutdown_signal() -> watch::Receiver<bool> {
use tokio::signal::unix::*;
let (send_cancel, watch_cancel) = watch::channel(false);
tokio::spawn(async move {
let mut sigint = signal(SignalKind::interrupt()).expect("Failed to install SIGINT handler");
let mut sigterm =
signal(SignalKind::terminate()).expect("Failed to install SIGTERM handler");
let mut sighup = signal(SignalKind::hangup()).expect("Failed to install SIGHUP handler");
tokio::select! {
_ = sigint.recv() => info!("Received SIGINT, shutting down."),
_ = sigterm.recv() => info!("Received SIGTERM, shutting down."),
_ = sighup.recv() => info!("Received SIGHUP, shutting down."),
}
send_cancel.send(true).unwrap();
});
watch_cancel
}
#[cfg(windows)]
fn watch_shutdown_signal() -> watch::Receiver<bool> {
use tokio::signal::windows::*;
let (send_cancel, watch_cancel) = watch::channel(false);
tokio::spawn(async move {
let mut sigint = ctrl_c().expect("Failed to install Ctrl-C handler");
let mut sigclose = ctrl_close().expect("Failed to install Ctrl-Close handler");
let mut siglogoff = ctrl_logoff().expect("Failed to install Ctrl-Logoff handler");
let mut sigsdown = ctrl_shutdown().expect("Failed to install Ctrl-Shutdown handler");
tokio::select! {
_ = sigint.recv() => info!("Received Ctrl-C, shutting down."),
_ = sigclose.recv() => info!("Received Ctrl-Close, shutting down."),
_ = siglogoff.recv() => info!("Received Ctrl-Logoff, shutting down."),
_ = sigsdown.recv() => info!("Received Ctrl-Shutdown, shutting down."),
}
send_cancel.send(true).unwrap();
});
watch_cancel
}
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