From dcddb174cb66c9fc37d2ad6bb3294c5cb57a7719 Mon Sep 17 00:00:00 2001
From: Yossi Ioukhtov <yossi.iou@starkey.co.il>
Date: Mon, 8 Jul 2024 11:02:00 +0300
Subject: [PATCH] skip metrics with an empty samples list

---
 src/clients/prometheus.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/clients/prometheus.js b/src/clients/prometheus.js
index 23b342c..9b1e5e4 100644
--- a/src/clients/prometheus.js
+++ b/src/clients/prometheus.js
@@ -19,6 +19,13 @@ class Prometheus {
       throw new QrynError('Metrics must be an array of Metric instances');
     }
 
+    metrics = metrics.filter((m)=>{
+      if(m.samples.length === 0){
+        console.log(`Skipping ${m.name} due to empty samples...`)
+        return false;
+      } else return true
+    });
+
     const timeseries = metrics.map(metric => metric.collect());
     const writeRequest = { timeseries };