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 axum::Server::from_tcp(listener)
141 .map_err(|e| anyhow!(e))?
142 .serve(app.into_make_service_with_connect_info::<SocketAddr>())
143 .with_graceful_shutdown(async move {
144 let mut sigterm = tokio::signal::unix::signal(SignalKind::terminate())
145 .expect("failed to listen for interrupt signal");
146 let mut sigint = tokio::signal::unix::signal(SignalKind::interrupt())
147 .expect("failed to listen for interrupt signal");
148 let sigterm = sigterm.recv();
149 let sigint = sigint.recv();
150 futures::pin_mut!(sigterm, sigint);
151 futures::future::select(sigterm, sigint).await;
152 tracing::info!("Received interrupt signal");
153
154 if let Some(rpc_server) = rpc_server {
155 rpc_server.teardown();
156 }
157 })
158 .await
159 .map_err(|e| anyhow!(e))?;
160
161 // todo("windows")
162 #[cfg(windows)]
163 unimplemented!();
164 }
165 _ => {
166 Err(anyhow!(
167 "usage: collab <version | migrate | seed | serve [api|collab]>"
168 ))?;
169 }
170 }
171 Ok(())
172}
173
174async fn run_migrations(config: &Config) -> Result<()> {
175 let db_options = db::ConnectOptions::new(config.database_url.clone());
176 let mut db = Database::new(db_options, Executor::Production).await?;
177
178 let migrations_path = config.migrations_path.as_deref().unwrap_or_else(|| {
179 #[cfg(feature = "sqlite")]
180 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations.sqlite");
181 #[cfg(not(feature = "sqlite"))]
182 let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations");
183
184 Path::new(default_migrations)
185 });
186
187 let migrations = db.migrate(&migrations_path, false).await?;
188 for (migration, duration) in migrations {
189 log::info!(
190 "Migrated {} {} {:?}",
191 migration.version,
192 migration.description,
193 duration
194 );
195 }
196
197 db.initialize_notification_kinds().await?;
198
199 if config.seed_path.is_some() {
200 collab::seed::seed(&config, &db, false).await?;
201 }
202
203 return Ok(());
204}
205
206async fn handle_root() -> String {
207 format!("collab v{} ({})", VERSION, REVISION.unwrap_or("unknown"))
208}
209
210async fn handle_liveness_probe(Extension(state): Extension<Arc<AppState>>) -> Result<String> {
211 state.db.get_all_users(0, 1).await?;
212 Ok("ok".to_string())
213}
214
215pub fn init_tracing(config: &Config) -> Option<()> {
216 use std::str::FromStr;
217 use tracing_subscriber::layer::SubscriberExt;
218
219 let filter = EnvFilter::from_str(config.rust_log.as_deref()?).log_err()?;
220
221 tracing_subscriber::registry()
222 .with(if config.log_json.unwrap_or(false) {
223 Box::new(
224 tracing_subscriber::fmt::layer()
225 .fmt_fields(JsonFields::default())
226 .event_format(
227 tracing_subscriber::fmt::format()
228 .json()
229 .flatten_event(true)
230 .with_span_list(false),
231 )
232 .with_filter(filter),
233 ) as Box<dyn Layer<_> + Send + Sync>
234 } else {
235 Box::new(
236 tracing_subscriber::fmt::layer()
237 .event_format(tracing_subscriber::fmt::format().pretty())
238 .with_filter(filter),
239 )
240 })
241 .init();
242
243 None
244}