this repo has no description
lewis.moe
1use bspds::crawlers::{Crawlers, start_crawlers_service};
2use bspds::notifications::{DiscordSender, EmailSender, NotificationService, SignalSender, TelegramSender};
3use bspds::state::AppState;
4use std::net::SocketAddr;
5use std::process::ExitCode;
6use std::sync::Arc;
7use tokio::sync::watch;
8use tracing::{error, info, warn};
9
10#[tokio::main]
11async fn main() -> ExitCode {
12 dotenvy::dotenv().ok();
13 tracing_subscriber::fmt::init();
14 bspds::metrics::init_metrics();
15
16 match run().await {
17 Ok(()) => ExitCode::SUCCESS,
18 Err(e) => {
19 error!("Fatal error: {}", e);
20 ExitCode::FAILURE
21 }
22 }
23}
24
25async fn run() -> Result<(), Box<dyn std::error::Error>> {
26 let database_url = std::env::var("DATABASE_URL")
27 .map_err(|_| "DATABASE_URL environment variable must be set")?;
28
29 let max_connections: u32 = std::env::var("DATABASE_MAX_CONNECTIONS")
30 .ok()
31 .and_then(|v| v.parse().ok())
32 .unwrap_or(100);
33
34 let min_connections: u32 = std::env::var("DATABASE_MIN_CONNECTIONS")
35 .ok()
36 .and_then(|v| v.parse().ok())
37 .unwrap_or(10);
38
39 let acquire_timeout_secs: u64 = std::env::var("DATABASE_ACQUIRE_TIMEOUT_SECS")
40 .ok()
41 .and_then(|v| v.parse().ok())
42 .unwrap_or(10);
43
44 info!(
45 "Configuring database pool: max={}, min={}, acquire_timeout={}s",
46 max_connections, min_connections, acquire_timeout_secs
47 );
48
49 let pool = sqlx::postgres::PgPoolOptions::new()
50 .max_connections(max_connections)
51 .min_connections(min_connections)
52 .acquire_timeout(std::time::Duration::from_secs(acquire_timeout_secs))
53 .idle_timeout(std::time::Duration::from_secs(300))
54 .max_lifetime(std::time::Duration::from_secs(1800))
55 .connect(&database_url)
56 .await
57 .map_err(|e| format!("Failed to connect to Postgres: {}", e))?;
58
59 sqlx::migrate!("./migrations")
60 .run(&pool)
61 .await
62 .map_err(|e| format!("Failed to run migrations: {}", e))?;
63
64 let state = AppState::new(pool.clone()).await;
65 bspds::sync::listener::start_sequencer_listener(state.clone()).await;
66
67 let (shutdown_tx, shutdown_rx) = watch::channel(false);
68
69 let mut notification_service = NotificationService::new(pool);
70
71 if let Some(email_sender) = EmailSender::from_env() {
72 info!("Email notifications enabled");
73 notification_service = notification_service.register_sender(email_sender);
74 } else {
75 warn!("Email notifications disabled (MAIL_FROM_ADDRESS not set)");
76 }
77
78 if let Some(discord_sender) = DiscordSender::from_env() {
79 info!("Discord notifications enabled");
80 notification_service = notification_service.register_sender(discord_sender);
81 }
82
83 if let Some(telegram_sender) = TelegramSender::from_env() {
84 info!("Telegram notifications enabled");
85 notification_service = notification_service.register_sender(telegram_sender);
86 }
87
88 if let Some(signal_sender) = SignalSender::from_env() {
89 info!("Signal notifications enabled");
90 notification_service = notification_service.register_sender(signal_sender);
91 }
92
93 let notification_handle = tokio::spawn(notification_service.run(shutdown_rx.clone()));
94
95 let crawlers_handle = if let Some(crawlers) = Crawlers::from_env() {
96 let crawlers = Arc::new(
97 crawlers.with_circuit_breaker(state.circuit_breakers.relay_notification.clone())
98 );
99 let firehose_rx = state.firehose_tx.subscribe();
100 info!("Crawlers notification service enabled");
101 Some(tokio::spawn(start_crawlers_service(crawlers, firehose_rx, shutdown_rx)))
102 } else {
103 warn!("Crawlers notification service disabled (PDS_HOSTNAME or CRAWLERS not set)");
104 None
105 };
106
107 let app = bspds::app(state);
108 let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
109 info!("listening on {}", addr);
110
111 let listener = tokio::net::TcpListener::bind(addr)
112 .await
113 .map_err(|e| format!("Failed to bind to {}: {}", addr, e))?;
114
115 let server_result = axum::serve(listener, app)
116 .with_graceful_shutdown(shutdown_signal(shutdown_tx))
117 .await;
118
119 notification_handle.await.ok();
120
121 if let Some(handle) = crawlers_handle {
122 handle.await.ok();
123 }
124
125 if let Err(e) = server_result {
126 return Err(format!("Server error: {}", e).into());
127 }
128
129 Ok(())
130}
131
132async fn shutdown_signal(shutdown_tx: watch::Sender<bool>) {
133 let ctrl_c = async {
134 match tokio::signal::ctrl_c().await {
135 Ok(()) => {}
136 Err(e) => {
137 error!("Failed to install Ctrl+C handler: {}", e);
138 }
139 }
140 };
141
142 #[cfg(unix)]
143 let terminate = async {
144 match tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()) {
145 Ok(mut signal) => {
146 signal.recv().await;
147 }
148 Err(e) => {
149 error!("Failed to install SIGTERM handler: {}", e);
150 std::future::pending::<()>().await;
151 }
152 }
153 };
154
155 #[cfg(not(unix))]
156 let terminate = std::future::pending::<()>();
157
158 tokio::select! {
159 _ = ctrl_c => {},
160 _ = terminate => {},
161 }
162
163 info!("Shutdown signal received, stopping services...");
164 shutdown_tx.send(true).ok();
165}