86 lines
3.0 KiB
Rust
86 lines
3.0 KiB
Rust
use crate::axum_gateway::auth::auth_service_client::AuthServiceClient;
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use dotenv::dotenv;
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use std::collections::HashMap;
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use std::env;
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use std::str::FromStr;
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use std::sync::Arc;
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use tokio::sync::Mutex;
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use tokio::{select, signal};
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use tracing::{info, Level};
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use utils::consul_registration;
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use utils::service_discovery::get_service_address;
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mod axum_gateway;
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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dotenv().ok();
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tracing_subscriber::fmt()
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.with_max_level(
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Level::from_str(&env::var("LOG_LEVEL").unwrap_or_else(|_| "info".to_string()))
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.unwrap_or_else(|_| Level::INFO),
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)
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.init();
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// Set the gRPC server address
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let addr = env::var("LISTEN_ADDR").unwrap_or_else(|_| "0.0.0.0".to_string());
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let port = env::var("API_SERVICE_PORT").unwrap_or_else(|_| "8080".to_string());
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let health_port = env::var("HEALTH_CHECK_PORT").unwrap_or_else(|_| "8079".to_string());
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let consul_url = env::var("CONSUL_URL").unwrap_or_else(|_| "http://127.0.0.1:8500".to_string());
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let service_name = env::var("SERVICE_NAME").unwrap_or_else(|_| "api-service".to_string());
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let service_address = env::var("API_SERVICE_ADDR").unwrap_or_else(|_| "127.0.0.1".to_string());
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let service_port = port.clone();
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let health_check_url = format!("http://{}:{}/health", service_address, health_port);
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// Register service with Consul
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let service_id = consul_registration::get_or_generate_service_id(env!("CARGO_PKG_NAME"));
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let tags = vec!["version-1.0".to_string()];
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let meta = HashMap::new();
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consul_registration::register_service(
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&consul_url,
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service_id.as_str(),
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service_name.as_str(),
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service_address.as_str(),
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service_port.parse().unwrap_or(8080),
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tags,
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meta,
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&health_check_url,
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)
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.await?;
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// Start health-check endpoint
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consul_registration::start_health_check(addr.as_str()).await?;
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let auth_node = get_service_address(&consul_url, "auth-service").await?;
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let auth_address = auth_node.get(0).unwrap();
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let auth_service_address = format!(
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"http://{}:{}",
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auth_address.ServiceAddress, auth_address.ServicePort
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);
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// Connect to the gRPC auth-service
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let grpc_client = AuthServiceClient::connect(auth_service_address.to_string()).await?;
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let grpc_client = Arc::new(Mutex::new(grpc_client));
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// Start the Axum REST API
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info!("Starting REST API on {}:{}", addr, port);
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tokio::spawn(axum_gateway::serve_rest_api(grpc_client));
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let mut sigterm_stream = signal::unix::signal(signal::unix::SignalKind::terminate())?;
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select! {
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_ = signal::ctrl_c() => {
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info!("Received SIGINT (Ctrl+C), shutting down...");
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},
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_ = sigterm_stream.recv() => {
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info!("Received SIGTERM, shutting down...");
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},
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}
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consul_registration::deregister_service(&consul_url, service_id.as_str())
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.await
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.expect("");
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info!("service {} deregistered", service_name);
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Ok(())
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}
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