From 9e8ee08c15eb92d1c46c8843152fad50c3c16fec Mon Sep 17 00:00:00 2001
From: limbo <43649186+HUAHUAI23@users.noreply.github.com>
Date: Thu, 9 Nov 2023 12:40:10 +0800
Subject: [PATCH] fix(services): fix runtime exporter metrics data caching
 issue (#1663)

* Fix metrics data caching issue

* chore
---
 build/charts/laf-server/templates/rumtime-exporter.yaml      | 1 +
 services/runtime-exporter/src/handler/get-runtime-metrics.ts | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/build/charts/laf-server/templates/rumtime-exporter.yaml b/build/charts/laf-server/templates/rumtime-exporter.yaml
index d78fe63f15..a68f323a1a 100644
--- a/build/charts/laf-server/templates/rumtime-exporter.yaml
+++ b/build/charts/laf-server/templates/rumtime-exporter.yaml
@@ -68,6 +68,7 @@ spec:
     - interval: 60s
       path: "/runtime/metrics/{{ .Values.default_region.runtime_exporter_secret}}"
       scrapeTimeout: 10s
+      honorLabels: true
   namespaceSelector:
     matchNames:
       - {{ .Release.Namespace }}
diff --git a/services/runtime-exporter/src/handler/get-runtime-metrics.ts b/services/runtime-exporter/src/handler/get-runtime-metrics.ts
index e6980a4346..17c3ee41d2 100644
--- a/services/runtime-exporter/src/handler/get-runtime-metrics.ts
+++ b/services/runtime-exporter/src/handler/get-runtime-metrics.ts
@@ -62,6 +62,9 @@ const getRuntimeMetrics: RequestHandler = async (req, res) => {
     return res.status(403).send('forbidden')
   }
 
+  // Clear the metrics data generated by the last request
+  register.clear()
+
   const runtimeMetrics =
     await ClusterService.getRuntimePodMetricsForAllNamespaces()