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