chore: Use region value from the configuration (#872)

* chore(): Use the config region in key-manager

* fmt

* prints for debugging

* restore the app level aws config

* fmt

* remove space

deploy/e2e/iris-mpc-0.yaml.tpl

@@ -108,6 +108,9 @@ iris-mpc-0:
     - name: SMPC__ENVIRONMENT
       value: "$ENV"
 
+    - name: SMPC__AWS__REGION
+      value: "$AWS_REGION"
+
     - name: SMPC__SERVICE__SERVICE_NAME
       value: "smpcv2-server-$ENV"
 

deploy/e2e/iris-mpc-1.yaml.tpl

@@ -108,6 +108,9 @@ iris-mpc-1:
     - name: SMPC__ENVIRONMENT
       value: "$ENV"
 
+    - name: SMPC__AWS__REGION
+      value: "$AWS_REGION"
+
     - name: SMPC__SERVICE__SERVICE_NAME
       value: "smpcv2-server-$ENV"
 

deploy/e2e/iris-mpc-2.yaml.tpl

@@ -108,6 +108,9 @@ iris-mpc-2:
     - name: SMPC__ENVIRONMENT
       value: "$ENV"
 
+    - name: SMPC__AWS__REGION
+      value: "$AWS_REGION"
+
     - name: SMPC__SERVICE__SERVICE_NAME
       value: "smpcv2-server-$ENV"
 

iris-mpc-common/src/helpers/key_pair.rs

@@ -88,6 +88,7 @@ impl SharesEncryptionKeyPairs {
             .aws
             .and_then(|aws| aws.region)
             .unwrap_or_else(|| REGION.to_owned());
+        tracing::info!("Using region: {} for key pair download", region);
         let region_provider = Region::new(region);
         let shared_config = aws_config::from_env().region(region_provider).load().await;
         let client = SecretsManagerClient::new(&shared_config);
@@ -199,6 +200,10 @@ async fn download_private_key_from_asm(
     version_stage: &str,
 ) -> Result<String, SharesDecodingError> {
     let private_key_secret_id: String = format!("{}/iris-mpc/ecdh-private-key-{}", env, node_id);
+    tracing::info!(
+        "Downloading private key from Secrets Manager: {}",
+        private_key_secret_id
+    );
     match client
         .get_secret_value()
         .secret_id(private_key_secret_id)