1use anyhow::anyhow;
2use axum::headers::HeaderMapExt;
3use axum::{
4 Extension, Router,
5 extract::MatchedPath,
6 http::{Request, Response},
7 routing::get,
8};
9
10use collab::api::CloudflareIpCountryHeader;
11use collab::api::billing::sync_llm_usage_with_stripe_periodically;
12use collab::llm::db::LlmDatabase;
13use collab::migrations::run_database_migrations;
14use collab::user_backfiller::spawn_user_backfiller;
15use collab::{
16 AppState, Config, RateLimiter, Result, api::fetch_extensions_from_blob_store_periodically, db,
17 env, executor::Executor, rpc::ResultExt,
18};
19use collab::{ServiceMode, api::billing::poll_stripe_events_periodically};
20use db::Database;
21use std::{
22 env::args,
23 net::{SocketAddr, TcpListener},
24 path::Path,
25 sync::Arc,
26 time::Duration,
27};
28#[cfg(unix)]
29use tokio::signal::unix::SignalKind;
30use tower_http::trace::TraceLayer;
31use tracing_subscriber::{
32 Layer, filter::EnvFilter, fmt::format::JsonFields, util::SubscriberInitExt,
33};
34use util::{ResultExt as _, maybe};
35
36const VERSION: &str = env!("CARGO_PKG_VERSION");
37const REVISION: Option<&'static str> = option_env!("GITHUB_SHA");
38
39#[tokio::main]
40async fn main() -> Result<()> {
41 if let Err(error) = env::load_dotenv() {
42 eprintln!(
43 "error loading .env.toml (this is expected in production): {}",
44 error
45 );
46 }
47
48 let mut args = args().skip(1);
49 match args.next().as_deref() {
50 Some("version") => {
51 println!("collab v{} ({})", VERSION, REVISION.unwrap_or("unknown"));
52 }
53 Some("migrate") => {
54 let config = envy::from_env::<Config>().expect("error loading config");
55 setup_app_database(&config).await?;
56 }
57 Some("seed") => {
58 let config = envy::from_env::<Config>().expect("error loading config");
59 let db_options = db::ConnectOptions::new(config.database_url.clone());
60
61 let mut db = Database::new(db_options, Executor::Production).await?;
62 db.initialize_notification_kinds().await?;
63
64 collab::seed::seed(&config, &db, false).await?;
65
66 if let Some(llm_database_url) = config.llm_database_url.clone() {
67 let db_options = db::ConnectOptions::new(llm_database_url);
68 let mut db = LlmDatabase::new(db_options.clone(), Executor::Production).await?;
69 db.initialize().await?;
70 collab::llm::db::seed_database(&config, &mut db, true).await?;
71 }
72 }
73 Some("serve") => {
74 let mode = match args.next().as_deref() {
75 Some("collab") => ServiceMode::Collab,
76 Some("api") => ServiceMode::Api,
77 Some("all") => ServiceMode::All,
78 _ => {
79 return Err(anyhow!(
80 "usage: collab <version | migrate | seed | serve <api|collab|all>>"
81 ))?;
82 }
83 };
84
85 let config = envy::from_env::<Config>().expect("error loading config");
86 init_tracing(&config);
87 init_panic_hook();
88
89 let mut app = Router::new()
90 .route("/", get(handle_root))
91 .route("/healthz", get(handle_liveness_probe))
92 .layer(Extension(mode));
93
94 let listener = TcpListener::bind(format!("0.0.0.0:{}", config.http_port))
95 .expect("failed to bind TCP listener");
96
97 let mut on_shutdown = None;
98
99 if mode.is_collab() || mode.is_api() {
100 setup_app_database(&config).await?;
101 setup_llm_database(&config).await?;
102
103 let state = AppState::new(config, Executor::Production).await?;
104
105 if let Some(stripe_billing) = state.stripe_billing.clone() {
106 let executor = state.executor.clone();
107 executor.spawn_detached(async move {
108 stripe_billing.initialize().await.trace_err();
109 });
110 }
111
112 if mode.is_collab() {
113 state.db.purge_old_embeddings().await.trace_err();
114 RateLimiter::save_periodically(
115 state.rate_limiter.clone(),
116 state.executor.clone(),
117 );
118
119 let epoch = state
120 .db
121 .create_server(&state.config.zed_environment)
122 .await?;
123 let rpc_server = collab::rpc::Server::new(epoch, state.clone());
124 rpc_server.start().await?;
125
126 poll_stripe_events_periodically(state.clone(), rpc_server.clone());
127
128 app = app
129 .merge(collab::api::routes(rpc_server.clone()))
130 .merge(collab::rpc::routes(rpc_server.clone()));
131
132 on_shutdown = Some(Box::new(move || rpc_server.teardown()));
133 }
134
135 if mode.is_api() {
136 fetch_extensions_from_blob_store_periodically(state.clone());
137 spawn_user_backfiller(state.clone());
138
139 let llm_db = maybe!(async {
140 let database_url = state
141 .config
142 .llm_database_url
143 .as_ref()
144 .ok_or_else(|| anyhow!("missing LLM_DATABASE_URL"))?;
145 let max_connections = state
146 .config
147 .llm_database_max_connections
148 .ok_or_else(|| anyhow!("missing LLM_DATABASE_MAX_CONNECTIONS"))?;
149
150 let mut db_options = db::ConnectOptions::new(database_url);
151 db_options.max_connections(max_connections);
152 LlmDatabase::new(db_options, state.executor.clone()).await
153 })
154 .await
155 .trace_err();
156
157 if let Some(mut llm_db) = llm_db {
158 llm_db.initialize().await?;
159 sync_llm_usage_with_stripe_periodically(state.clone());
160 }
161
162 app = app
163 .merge(collab::api::events::router())
164 .merge(collab::api::extensions::router())
165 }
166
167 app = app.layer(Extension(state.clone()));
168 }
169
170 app = app.layer(
171 TraceLayer::new_for_http()
172 .make_span_with(|request: &Request<_>| {
173 let matched_path = request
174 .extensions()
175 .get::<MatchedPath>()
176 .map(MatchedPath::as_str);
177
178 let geoip_country_code = request
179 .headers()
180 .typed_get::<CloudflareIpCountryHeader>()
181 .map(|header| header.to_string());
182
183 tracing::info_span!(
184 "http_request",
185 method = ?request.method(),
186 matched_path,
187 geoip_country_code,
188 user_id = tracing::field::Empty,
189 login = tracing::field::Empty,
190 authn.jti = tracing::field::Empty,
191 is_staff = tracing::field::Empty
192 )
193 })
194 .on_response(
195 |response: &Response<_>, latency: Duration, _: &tracing::Span| {
196 let duration_ms = latency.as_micros() as f64 / 1000.;
197 tracing::info!(
198 duration_ms,
199 status = response.status().as_u16(),
200 "finished processing request"
201 );
202 },
203 ),
204 );
205
206 #[cfg(unix)]
207 let signal = async move {
208 let mut sigterm = tokio::signal::unix::signal(SignalKind::terminate())
209 .expect("failed to listen for interrupt signal");
210 let mut sigint = tokio::signal::unix::signal(SignalKind::interrupt())
211 .expect("failed to listen for interrupt signal");
212 let sigterm = sigterm.recv();
213 let sigint = sigint.recv();
214 futures::pin_mut!(sigterm, sigint);
215 futures::future::select(sigterm, sigint).await;
216 };
217
218 #[cfg(windows)]
219 let signal = async move {
220 // todo(windows):
221 // `ctrl_close` does not work well, because tokio's signal handler always returns soon,
222 // but system terminates the application soon after returning CTRL+CLOSE handler.
223 // So we should implement blocking handler to treat CTRL+CLOSE signal.
224 let mut ctrl_break = tokio::signal::windows::ctrl_break()
225 .expect("failed to listen for interrupt signal");
226 let mut ctrl_c = tokio::signal::windows::ctrl_c()
227 .expect("failed to listen for interrupt signal");
228 let ctrl_break = ctrl_break.recv();
229 let ctrl_c = ctrl_c.recv();
230 futures::pin_mut!(ctrl_break, ctrl_c);
231 futures::future::select(ctrl_break, ctrl_c).await;
232 };
233
234 axum::Server::from_tcp(listener)
235 .map_err(|e| anyhow!(e))?
236 .serve(app.into_make_service_with_connect_info::<SocketAddr>())
237 .with_graceful_shutdown(async move {
238 signal.await;
239 tracing::info!("Received interrupt signal");
240
241 if let Some(on_shutdown) = on_shutdown {
242 on_shutdown();
243 }
244 })
245 .await
246 .map_err(|e| anyhow!(e))?;
247 }
248 _ => {
249 Err(anyhow!(
250 "usage: collab <version | migrate | seed | serve <api|collab|llm|all>>"
251 ))?;
252 }
253 }
254 Ok(())
255}
256
257async fn setup_app_database(config: &Config) -> Result<()> {
258 let db_options = db::ConnectOptions::new(config.database_url.clone());
259 let mut db = Database::new(db_options, Executor::Production).await?;
260
261 let migrations_path = config.migrations_path.as_deref().unwrap_or_else(|| {
262 #[cfg(feature = "sqlite")]
263 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations.sqlite");
264 #[cfg(not(feature = "sqlite"))]
265 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations");
266
267 Path::new(default_migrations)
268 });
269
270 let migrations = run_database_migrations(db.options(), migrations_path).await?;
271 for (migration, duration) in migrations {
272 log::info!(
273 "Migrated {} {} {:?}",
274 migration.version,
275 migration.description,
276 duration
277 );
278 }
279
280 db.initialize_notification_kinds().await?;
281
282 if config.seed_path.is_some() {
283 collab::seed::seed(config, &db, false).await?;
284 }
285
286 Ok(())
287}
288
289async fn setup_llm_database(config: &Config) -> Result<()> {
290 let database_url = config
291 .llm_database_url
292 .as_ref()
293 .ok_or_else(|| anyhow!("missing LLM_DATABASE_URL"))?;
294
295 let db_options = db::ConnectOptions::new(database_url.clone());
296 let db = LlmDatabase::new(db_options, Executor::Production).await?;
297
298 let migrations_path = config
299 .llm_database_migrations_path
300 .as_deref()
301 .unwrap_or_else(|| {
302 #[cfg(feature = "sqlite")]
303 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations_llm.sqlite");
304 #[cfg(not(feature = "sqlite"))]
305 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations_llm");
306
307 Path::new(default_migrations)
308 });
309
310 let migrations = run_database_migrations(db.options(), migrations_path).await?;
311 for (migration, duration) in migrations {
312 log::info!(
313 "Migrated {} {} {:?}",
314 migration.version,
315 migration.description,
316 duration
317 );
318 }
319
320 Ok(())
321}
322
323async fn handle_root(Extension(mode): Extension<ServiceMode>) -> String {
324 format!("zed:{mode} v{VERSION} ({})", REVISION.unwrap_or("unknown"))
325}
326
327async fn handle_liveness_probe(app_state: Option<Extension<Arc<AppState>>>) -> Result<String> {
328 if let Some(state) = app_state {
329 state.db.get_all_users(0, 1).await?;
330 }
331
332 Ok("ok".to_string())
333}
334
335pub fn init_tracing(config: &Config) -> Option<()> {
336 use std::str::FromStr;
337 use tracing_subscriber::layer::SubscriberExt;
338
339 let filter = EnvFilter::from_str(config.rust_log.as_deref()?).log_err()?;
340
341 tracing_subscriber::registry()
342 .with(if config.log_json.unwrap_or(false) {
343 Box::new(
344 tracing_subscriber::fmt::layer()
345 .fmt_fields(JsonFields::default())
346 .event_format(
347 tracing_subscriber::fmt::format()
348 .json()
349 .flatten_event(true)
350 .with_span_list(false),
351 )
352 .with_filter(filter),
353 ) as Box<dyn Layer<_> + Send + Sync>
354 } else {
355 Box::new(
356 tracing_subscriber::fmt::layer()
357 .event_format(tracing_subscriber::fmt::format().pretty())
358 .with_filter(filter),
359 )
360 })
361 .init();
362
363 None
364}
365
366fn init_panic_hook() {
367 std::panic::set_hook(Box::new(move |panic_info| {
368 let panic_message = match panic_info.payload().downcast_ref::<&'static str>() {
369 Some(message) => *message,
370 None => match panic_info.payload().downcast_ref::<String>() {
371 Some(message) => message.as_str(),
372 None => "Box<Any>",
373 },
374 };
375 let backtrace = std::backtrace::Backtrace::force_capture();
376 let location = panic_info
377 .location()
378 .map(|loc| format!("{}:{}", loc.file(), loc.line()));
379 tracing::error!(panic = true, ?location, %panic_message, %backtrace, "Server Panic");
380 }));
381}