From b966dbd1f402dc0d5c865d0de52e5a9a030336c8 Mon Sep 17 00:00:00 2001
From: Anderson de Oliveira <andersonba@me.com>
Date: Tue, 29 Oct 2019 20:00:02 +0000
Subject: [PATCH] prometheus: route to reset cache

---
 prometheus/index.js | 5 +++++
 prometheus/store.js | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/prometheus/index.js b/prometheus/index.js
index cf7afc2..0c84d9d 100644
--- a/prometheus/index.js
+++ b/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);
diff --git a/prometheus/store.js b/prometheus/store.js
index caeab46..2b0f036 100644
--- a/prometheus/store.js
+++ b/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;