1 files changed, 41 insertions, 0 deletions
diff --git a/common/rust/src/config.rs b/common/rust/src/config.rs
new file mode 100644
index 0000000..6d8fb33
--- /dev/null
+++ b/common/rust/src/config.rs
@@ -0,0 +1,41 @@
+use std::env;
+
+use config::{Config, ConfigError, Environment, File};
+use log::info;
+use serde::{Deserialize};
+
+
+#[derive(Debug, Deserialize, Clone)]
+#[serde(bound(deserialize = "T: Deserialize<'de> + std::default::Default + Clone"))]
+pub struct Settings<T> {
+    #[serde(skip_deserializing)]
+    pub config: T,
+    pub monitoring: crate::monitoring::MonitoringConfiguration,
+}
+
+impl<T> Settings<T> where T: Deserialize<'static> + std::default::Default + Clone {
+    pub fn new(service_name: &str) -> Result<Settings<T>, ConfigError> {
+        let mut default = Config::default();
+        // this file my be shared with all the components
+        default.merge(File::with_name("config/default"))?;
+        let mode = env::var("ENV").unwrap_or_else(|_| "development".into());
+        info!("Configuration Environment: {}", mode);
+
+        default.merge(File::with_name(&format!("config/{}", mode)).required(false))?;
+        default.merge(File::with_name("config/local").required(false))?;
+
+        // we can configure each component using environment variables
+        default.merge(Environment::with_prefix(&format!("NOVA_{}", service_name)))?;
+        let mut config: Settings<T> = default.clone().try_into().unwrap();
+
+        //  try to load the config
+        config.config = default.get::<T>(&service_name).unwrap();
+
+        // setup the logger
+        pretty_env_logger::init_custom_env(&format!("NOVA_{}_LOG", service_name));
+
+        // start the monitoring system if needed
+        crate::monitoring::start_monitoring(&config.monitoring);
+        Ok(config)
+    }
+}