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use clap::Parser;
use nar_bridge::AppState;
use tracing::info;
/// Expose the Nix HTTP Binary Cache protocol for a tvix-store.
#[derive(Parser)]
#[command(author, version, about, long_about = None)]
struct Cli {
#[arg(long, env, default_value = "grpc+http://[::1]:8000")]
blob_service_addr: String,
#[arg(long, env, default_value = "grpc+http://[::1]:8000")]
directory_service_addr: String,
#[arg(long, env, default_value = "grpc+http://[::1]:8000")]
path_info_service_addr: String,
/// The priority to announce at the `nix-cache-info` endpoint.
/// A lower number means it's *more preferred.
#[arg(long, env, default_value_t = 39)]
priority: u64,
/// The address to listen on.
#[clap(flatten)]
listen_args: tokio_listener::ListenerAddressLFlag,
#[cfg(feature = "otlp")]
/// Whether to configure OTLP. Set --otlp=false to disable.
#[arg(long, default_missing_value = "true", default_value = "true", num_args(0..=1), require_equals(true), action(clap::ArgAction::Set))]
otlp: bool,
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
let cli = Cli::parse();
let _tracing_handle = {
#[allow(unused_mut)]
let mut builder = tvix_tracing::TracingBuilder::default();
#[cfg(feature = "otlp")]
{
if cli.otlp {
builder = builder.enable_otlp("tvix.store");
}
}
builder.build()?
};
// initialize stores
let (blob_service, directory_service, path_info_service, _nar_calculation_service) =
tvix_store::utils::construct_services(
cli.blob_service_addr,
cli.directory_service_addr,
cli.path_info_service_addr,
)
.await?;
let state = AppState::new(blob_service, directory_service, path_info_service);
let app = nar_bridge::gen_router(cli.priority).with_state(state);
let listen_address = &cli.listen_args.listen_address.unwrap_or_else(|| {
"[::]:8000"
.parse()
.expect("invalid fallback listen address")
});
let listener = tokio_listener::Listener::bind(
listen_address,
&Default::default(),
&cli.listen_args.listener_options,
)
.await?;
info!(listen_address=%listen_address, "starting daemon");
tokio_listener::axum07::serve(
listener,
app.into_make_service_with_connect_info::<tokio_listener::SomeSocketAddrClonable>(),
)
.await?;
Ok(())
}
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