1 files changed, 21 insertions, 6 deletions

diff --git a/common/rust/src/config.rs b/common/rust/src/config.rs
index c158a21..e4dbade 100644
--- a/common/rust/src/config.rs
+++ b/common/rust/src/config.rs
@@ -1,10 +1,12 @@
 use std::env;
-
 use config::{Config, ConfigError, Environment, File};
 use log::info;
-use serde::{Deserialize};
-
+use serde::Deserialize;
 
+/// Settings<T> is the base structure for all the nova's component config
+/// you can specify a type T and the name of the component. the "config"
+/// field will be equals to the key named after the given component name
+/// and will be of type T
 #[derive(Debug, Deserialize, Clone)]
 #[serde(bound(deserialize = "T: Deserialize<'de> + std::default::Default + Clone"))]
 pub struct Settings<T> {
@@ -12,10 +14,19 @@ pub struct Settings<T> {
     pub config: T,
     pub monitoring: crate::monitoring::MonitoringConfiguration,
     pub nats: crate::nats::NatsConfiguration,
+    pub redis: crate::redis::RedisConfiguration,
 }
 
-impl<T> Settings<T> where T: Deserialize<'static> + std::default::Default + Clone {
+/// 
+impl<T> Settings<T>
+where
+    T: Deserialize<'static> + std::default::Default + Clone,
+{
+    /// Initializes a new configuration like the other components of nova
+    /// And starts the prometheus metrics server if needed.
     pub fn new(service_name: &str) -> Result<Settings<T>, ConfigError> {
+        pretty_env_logger::init();
+
         let mut default = Config::default();
         // this file my be shared with all the components
         default.merge(File::with_name("config/default"))?;
@@ -25,16 +36,20 @@ impl<T> Settings<T> where T: Deserialize<'static> + std::default::Default + Clon
         default.merge(File::with_name(&format!("config/{}", mode)).required(false))?;
         default.merge(File::with_name("config/local").required(false))?;
 
+        let env = Environment::with_prefix("NOVA").separator("__");
         // we can configure each component using environment variables
-        default.merge(Environment::with_prefix("NOVA").separator("_"))?;
+        default.merge(env)?;
         let mut config: Settings<T> = default.clone().try_into().unwrap();
 
         //  try to load the config
         config.config = default.get::<T>(&service_name).unwrap();
-        pretty_env_logger::init();
 
         // start the monitoring system if needed
         crate::monitoring::start_monitoring(&config.monitoring);
         Ok(config)
     }
 }
+
+pub fn test_init() {
+    pretty_env_logger::init();
+}