prometheus: route to reset cache

Author: andersonba

prometheus/index.js

@@ -283,6 +283,11 @@ app.get(Settings.path, async (req, res, next) => {
 
 app.get('/check', (_, res) => res.send('OK'));
 
+app.delete('/cache', (_, res) => {
+  store.clear();
+  res.send('Cache cleared!');
+});
+
 const server = app.listen(env('PORT', 3000), () => {
   configureTimer();
   console.log('Server listening on port %d', server.address().port);

prometheus/store.js

@@ -18,6 +18,11 @@ class Store {
   get(key) {
     return this.cache.get(key) || this.data[key];
   }
+
+  clear() {
+    this.data = {};
+    this.cache.flush();
+  }
 }
 
 module.exports = Store;