1use anyhow::anyhow;
2use axum::{
3 extract::MatchedPath,
4 http::{Request, Response},
5 routing::get,
6 Extension, Router,
7};
8use collab::{api::billing::poll_stripe_events_periodically, llm::LlmState, ServiceMode};
9use collab::{
10 api::fetch_extensions_from_blob_store_periodically, db, env, executor::Executor,
11 rpc::ResultExt, AppState, Config, RateLimiter, Result,
12};
13use db::Database;
14use std::{
15 env::args,
16 net::{SocketAddr, TcpListener},
17 path::Path,
18 sync::Arc,
19 time::Duration,
20};
21#[cfg(unix)]
22use tokio::signal::unix::SignalKind;
23use tower_http::trace::TraceLayer;
24use tracing_subscriber::{
25 filter::EnvFilter, fmt::format::JsonFields, util::SubscriberInitExt, Layer,
26};
27use util::ResultExt as _;
28
29const VERSION: &str = env!("CARGO_PKG_VERSION");
30const REVISION: Option<&'static str> = option_env!("GITHUB_SHA");
31
32#[tokio::main]
33async fn main() -> Result<()> {
34 if let Err(error) = env::load_dotenv() {
35 eprintln!(
36 "error loading .env.toml (this is expected in production): {}",
37 error
38 );
39 }
40
41 let mut args = args().skip(1);
42 match args.next().as_deref() {
43 Some("version") => {
44 println!("collab v{} ({})", VERSION, REVISION.unwrap_or("unknown"));
45 }
46 Some("migrate") => {
47 let config = envy::from_env::<Config>().expect("error loading config");
48 run_migrations(&config).await?;
49 }
50 Some("seed") => {
51 let config = envy::from_env::<Config>().expect("error loading config");
52 let db_options = db::ConnectOptions::new(config.database_url.clone());
53 let mut db = Database::new(db_options, Executor::Production).await?;
54 db.initialize_notification_kinds().await?;
55
56 collab::seed::seed(&config, &db, true).await?;
57 }
58 Some("serve") => {
59 let mode = match args.next().as_deref() {
60 Some("collab") => ServiceMode::Collab,
61 Some("api") => ServiceMode::Api,
62 Some("llm") => ServiceMode::Llm,
63 Some("all") => ServiceMode::All,
64 _ => {
65 return Err(anyhow!(
66 "usage: collab <version | migrate | seed | serve <api|collab|llm|all>>"
67 ))?;
68 }
69 };
70
71 let config = envy::from_env::<Config>().expect("error loading config");
72 init_tracing(&config);
73 let mut app = Router::new()
74 .route("/", get(handle_root))
75 .route("/healthz", get(handle_liveness_probe))
76 .layer(Extension(mode));
77
78 let listener = TcpListener::bind(&format!("0.0.0.0:{}", config.http_port))
79 .expect("failed to bind TCP listener");
80
81 let mut on_shutdown = None;
82
83 if mode.is_llm() {
84 let state = LlmState::new(config.clone(), Executor::Production).await?;
85
86 app = app.layer(Extension(state.clone()));
87 }
88
89 if mode.is_collab() || mode.is_api() {
90 run_migrations(&config).await?;
91
92 let state = AppState::new(config, Executor::Production).await?;
93
94 if mode.is_collab() {
95 state.db.purge_old_embeddings().await.trace_err();
96 RateLimiter::save_periodically(
97 state.rate_limiter.clone(),
98 state.executor.clone(),
99 );
100
101 let epoch = state
102 .db
103 .create_server(&state.config.zed_environment)
104 .await?;
105 let rpc_server = collab::rpc::Server::new(epoch, state.clone());
106 rpc_server.start().await?;
107
108 app = app
109 .merge(collab::api::routes(rpc_server.clone()))
110 .merge(collab::rpc::routes(rpc_server.clone()));
111
112 on_shutdown = Some(Box::new(move || rpc_server.teardown()));
113 }
114
115 if mode.is_api() {
116 poll_stripe_events_periodically(state.clone());
117 fetch_extensions_from_blob_store_periodically(state.clone());
118
119 app = app
120 .merge(collab::api::events::router())
121 .merge(collab::api::extensions::router())
122 }
123
124 app = app.layer(Extension(state.clone()));
125 }
126
127 app = app.layer(
128 TraceLayer::new_for_http()
129 .make_span_with(|request: &Request<_>| {
130 let matched_path = request
131 .extensions()
132 .get::<MatchedPath>()
133 .map(MatchedPath::as_str);
134
135 tracing::info_span!(
136 "http_request",
137 method = ?request.method(),
138 matched_path,
139 )
140 })
141 .on_response(
142 |response: &Response<_>, latency: Duration, _: &tracing::Span| {
143 let duration_ms = latency.as_micros() as f64 / 1000.;
144 tracing::info!(
145 duration_ms,
146 status = response.status().as_u16(),
147 "finished processing request"
148 );
149 },
150 ),
151 );
152
153 #[cfg(unix)]
154 let signal = async move {
155 let mut sigterm = tokio::signal::unix::signal(SignalKind::terminate())
156 .expect("failed to listen for interrupt signal");
157 let mut sigint = tokio::signal::unix::signal(SignalKind::interrupt())
158 .expect("failed to listen for interrupt signal");
159 let sigterm = sigterm.recv();
160 let sigint = sigint.recv();
161 futures::pin_mut!(sigterm, sigint);
162 futures::future::select(sigterm, sigint).await;
163 };
164
165 #[cfg(windows)]
166 let signal = async move {
167 // todo(windows):
168 // `ctrl_close` does not work well, because tokio's signal handler always returns soon,
169 // but system terminates the application soon after returning CTRL+CLOSE handler.
170 // So we should implement blocking handler to treat CTRL+CLOSE signal.
171 let mut ctrl_break = tokio::signal::windows::ctrl_break()
172 .expect("failed to listen for interrupt signal");
173 let mut ctrl_c = tokio::signal::windows::ctrl_c()
174 .expect("failed to listen for interrupt signal");
175 let ctrl_break = ctrl_break.recv();
176 let ctrl_c = ctrl_c.recv();
177 futures::pin_mut!(ctrl_break, ctrl_c);
178 futures::future::select(ctrl_break, ctrl_c).await;
179 };
180
181 axum::Server::from_tcp(listener)
182 .map_err(|e| anyhow!(e))?
183 .serve(app.into_make_service_with_connect_info::<SocketAddr>())
184 .with_graceful_shutdown(async move {
185 signal.await;
186 tracing::info!("Received interrupt signal");
187
188 if let Some(on_shutdown) = on_shutdown {
189 on_shutdown();
190 }
191 })
192 .await
193 .map_err(|e| anyhow!(e))?;
194 }
195 _ => {
196 Err(anyhow!(
197 "usage: collab <version | migrate | seed | serve <api|collab|llm|all>>"
198 ))?;
199 }
200 }
201 Ok(())
202}
203
204async fn run_migrations(config: &Config) -> Result<()> {
205 let db_options = db::ConnectOptions::new(config.database_url.clone());
206 let mut db = Database::new(db_options, Executor::Production).await?;
207
208 let migrations_path = config.migrations_path.as_deref().unwrap_or_else(|| {
209 #[cfg(feature = "sqlite")]
210 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations.sqlite");
211 #[cfg(not(feature = "sqlite"))]
212 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations");
213
214 Path::new(default_migrations)
215 });
216
217 let migrations = db.migrate(&migrations_path, false).await?;
218 for (migration, duration) in migrations {
219 log::info!(
220 "Migrated {} {} {:?}",
221 migration.version,
222 migration.description,
223 duration
224 );
225 }
226
227 db.initialize_notification_kinds().await?;
228
229 if config.seed_path.is_some() {
230 collab::seed::seed(&config, &db, false).await?;
231 }
232
233 return Ok(());
234}
235
236async fn handle_root(Extension(mode): Extension<ServiceMode>) -> String {
237 format!(
238 "collab {mode:?} v{VERSION} ({})",
239 REVISION.unwrap_or("unknown")
240 )
241}
242
243async fn handle_liveness_probe(
244 app_state: Option<Extension<Arc<AppState>>>,
245 llm_state: Option<Extension<Arc<LlmState>>>,
246) -> Result<String> {
247 if let Some(state) = app_state {
248 state.db.get_all_users(0, 1).await?;
249 }
250
251 if let Some(_llm_state) = llm_state {}
252
253 Ok("ok".to_string())
254}
255
256pub fn init_tracing(config: &Config) -> Option<()> {
257 use std::str::FromStr;
258 use tracing_subscriber::layer::SubscriberExt;
259
260 let filter = EnvFilter::from_str(config.rust_log.as_deref()?).log_err()?;
261
262 tracing_subscriber::registry()
263 .with(if config.log_json.unwrap_or(false) {
264 Box::new(
265 tracing_subscriber::fmt::layer()
266 .fmt_fields(JsonFields::default())
267 .event_format(
268 tracing_subscriber::fmt::format()
269 .json()
270 .flatten_event(true)
271 .with_span_list(false),
272 )
273 .with_filter(filter),
274 ) as Box<dyn Layer<_> + Send + Sync>
275 } else {
276 Box::new(
277 tracing_subscriber::fmt::layer()
278 .event_format(tracing_subscriber::fmt::format().pretty())
279 .with_filter(filter),
280 )
281 })
282 .init();
283
284 None
285}