StrafesNET/maps-service
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validation: connect to nats and grpc concurrently

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This commit is contained in:
Quaternions 2024-12-12 17:40:40 -08:00
parent 8250686477
commit 727e358cf9
1 changed files with 20 additions and 14 deletions
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16
validation/src/main.rs
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@ -40,8 +40,10 @@ async fn main()->Result<(),StartupError>{
// nats
let nats_host=std::env::var("NATS_HOST").expect("NATS_HOST env required");
let nasty=async_nats::connect(nats_host).await.map_err(StartupError::NatsConnect)?; // use nats jetstream
let mut messages=async_nats::jetstream::new(nasty)
let nats_fut=async{
let nasty=async_nats::connect(nats_host).await.map_err(StartupError::NatsConnect)?;
// use nats jetstream
async_nats::jetstream::new(nasty)
.get_stream("maptest").await.map_err(StartupError::NatsGetStream)?
.get_or_create_consumer("validation",async_nats::jetstream::consumer::pull::Config{
name:Some("validation".to_owned()),
@ -49,17 +51,21 @@ async fn main()->Result<(),StartupError>{
filter_subject:"maptest.submissions.>".to_owned(),
..Default::default()
}).await.map_err(StartupError::NatsConsumer)?
.messages().await.map_err(StartupError::NatsStream)?;
.messages().await.map_err(StartupError::NatsStream)
};
// data-service grpc for creating map entries
let data_host=std::env::var("DATA_HOST").expect("DATA_HOST env required");
let message_handler_fut=async{
let maps_grpc=crate::MapsServiceClient::connect(data_host).await.map_err(StartupError::GRPCConnect)?;
Ok(message_handler::MessageHandler::new(cookie_context,api,maps_grpc))
};
// Create a signal listener for SIGTERM
let mut sig_term=tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()).expect("Failed to create SIGTERM signal listener");
// the guy
let message_handler=message_handler::MessageHandler::new(cookie_context,api,maps_grpc);
// run futures
let (mut messages,message_handler)=tokio::try_join!(nats_fut,message_handler_fut)?;
// nats consumer thread
tokio::spawn(async move{