add API and CLI to print effective config

1 files changed, 9 insertions, 1 deletions

diff --git a/src/api/mod.rs b/src/api/mod.rs
index 3233b16..ce1f6ae 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -9,7 +9,8 @@ mod stats;
 mod store;
 
 use axum::{
-    Router,
+    Json, Router,
+    extract::State,
     http::{
         HeaderValue, StatusCode,
         header::{CONTENT_TYPE, ETAG},
@@ -46,6 +47,7 @@ pub(crate) fn router(state: AppState, auth_state: AuthState, debug_api: bool) ->
         )
         .route("/admin/stats", get(stats::get_stats))
         .route("/admin/document", get(document::get_document))
+        .route("/admin/config", get(get_config))
         .merge(crate::remake::router::<AppState>());
 
     if debug_api {
@@ -63,6 +65,12 @@ pub(crate) fn router(state: AppState, auth_state: AuthState, debug_api: bool) ->
         .with_state(state)
 }
 
+/// `GET /admin/config`: the effective configuration with each value's source;
+/// imported values are left out.
+async fn get_config(State(state): State<AppState>) -> Json<JsonValue> {
+    Json((*state.config).clone())
+}
+
 // --- shared helpers ----------------------------------------------------------
 
 pub(crate) fn store_status(error: StoreError, context: &str) -> StatusCode {