88 lines
3.1 KiB
Rust
88 lines
3.1 KiB
Rust
mod character_db_client;
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mod character_service;
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pub mod database {
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tonic::include_proto!("character_db_api");
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}
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use crate::character_db_client::CharacterDbClient;
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use crate::character_service::character::character_service_server::CharacterServiceServer;
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use crate::character_service::MyCharacterService;
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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 tracing::Level;
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use utils::consul_registration;
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use utils::service_discovery::get_service_address;
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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("CHARACTER_SERVICE_PORT").unwrap_or_else(|_| "50053".to_string());
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let health_port = env::var("HEALTH_CHECK_PORT").unwrap_or_else(|_| "8083".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(|_| "character-service".to_string());
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let service_address =
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env::var("CHARACTER_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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let db_nodes = get_service_address(&consul_url, "database-service").await?;
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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 version = env!("CARGO_PKG_VERSION").to_string();
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let tags = vec![version];
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let mut meta = HashMap::new();
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meta.insert("name".to_string(), "Rose".to_string());
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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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consul_registration::start_health_check(addr.as_str()).await?;
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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 db_address = db_nodes.get(0).unwrap();
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let db_url = format!(
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"http://{}:{}",
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db_address.ServiceAddress, db_address.ServicePort
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);
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let character_db_client = Arc::new(CharacterDbClient::connect(&db_url).await?);
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let character_service = MyCharacterService {
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character_db_client,
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};
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tonic::transport::Server::builder()
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.add_service(CharacterServiceServer::new(character_service))
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.serve(address)
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.await?;
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utils::signal_handler::wait_for_signal().await;
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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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Ok(())
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}
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