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