92 lines
3.4 KiB
Rust
92 lines
3.4 KiB
Rust
use std::collections::HashMap;
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use database::database_service_server::DatabaseServiceServer;
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use database_service::database;
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use database_service::db::Database;
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use database_service::grpc::MyDatabaseService;
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use database_service::redis_cache::RedisCache;
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use dotenv::dotenv;
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use sqlx::postgres::PgPoolOptions;
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use std::env;
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use std::net::ToSocketAddrs;
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use std::str::FromStr;
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use std::sync::Arc;
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use tokio::{select, signal};
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use tonic::transport::Server;
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use tracing::{info, Level};
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use warp::Filter;
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use utils::consul_registration;
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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(Level::from_str(&env::var("LOG_LEVEL").unwrap_or_else(|_| "info".to_string())).unwrap_or_else(|_| Level::INFO))
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.init();
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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("DATABASE_SERVICE_PORT").unwrap_or_else(|_| "50052".to_string());
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let health_port = env::var("HEALTH_CHECK_PORT").unwrap_or_else(|_| "8080".to_string());
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let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL must be set");
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let redis_url = std::env::var("REDIS_URL").unwrap_or_else(|_| "redis://127.0.0.1:6379".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(|_| "database-service".to_string());
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let service_address = env::var("DATABASE_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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let health_check_endpoint_addr = format!("{}:{}", service_address, health_port);
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// Register service with Consul
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let service_id = consul_registration::generate_service_id();
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let tags = vec!["version-1.0".to_string()];
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let mut 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(50052),
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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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let health_route = warp::path!("health")
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.map(|| warp::reply::with_status("OK", warp::http::StatusCode::OK));
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tokio::spawn(warp::serve(health_route).run(health_check_endpoint_addr.to_socket_addrs()?.next().unwrap()));
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let full_addr = format!("{}:{}", &addr, port);
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let address = full_addr.parse().expect("Invalid address");
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let pool = PgPoolOptions::new()
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.max_connections(5)
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.connect(&database_url)
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.await
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.expect("Failed to create PostgreSQL connection pool");
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let redis_cache = RedisCache::new(&redis_url);
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let cache = Arc::new(redis_cache); // Share the cache instance between tasks
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let database_service = MyDatabaseService {
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db: Database::new(pool, cache).await,
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};
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// Pass `shared_cache` into services as needed
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info!("Database Service running on {}", address);
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tokio::spawn(Server::builder()
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.add_service(DatabaseServiceServer::new(database_service))
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.serve(address));
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select! {
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_ = signal::ctrl_c() => {},
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}
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consul_registration::deregister_service(&consul_url, service_id.as_str()).await.expect("");
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info!("service {} deregistered", service_name);
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Ok(())
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}
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