aboutsummaryrefslogtreecommitdiff
path: root/src/garage/server.rs
blob: 3c96ff222466e6366a4c5f384a00d3e427626017 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
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::*;

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)?;

	// ---- Initialize Garage internals ----

	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(), 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());

	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());

	// ---- 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,
				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,
					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,
				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, wait_from(watch_cancel.clone()))),
		));
	}

	#[cfg(not(feature = "metrics"))]
	if config.admin_api.metrics_token.is_some() {
		warn!("This Garage version is built without the metrics feature");
	}

	// 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
	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(())
}