From 76fa4ddc78a3c202cc98230f5c5dfaafe3b20820 Mon Sep 17 00:00:00 2001
From: Remy Mollandin <remy.mollandin@skale-5.com>
Date: Mon, 4 Sep 2023 20:25:28 +0200
Subject: [PATCH] [prometheus-mysql-exporter]: add default relabeling for
 multiple target

Signed-off-by: Remy Mollandin <remy.mollandin@skale-5.com>
---
 .../templates/servicemonitor.yaml                 | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/charts/prometheus-mysql-exporter/templates/servicemonitor.yaml b/charts/prometheus-mysql-exporter/templates/servicemonitor.yaml
index 5da3eccb7b51..be5bbb5d3dc5 100644
--- a/charts/prometheus-mysql-exporter/templates/servicemonitor.yaml
+++ b/charts/prometheus-mysql-exporter/templates/servicemonitor.yaml
@@ -40,9 +40,18 @@ spec:
   {{- if $.Values.serviceMonitor.scrapeTimeout }}
       scrapeTimeout: {{ $.Values.serviceMonitor.scrapeTimeout }}
   {{- end }}
-  {{- if $.Values.serviceMonitor.metricRelabelings }}
-      metricRelabelings: {{ toYaml $.Values.serviceMonitor.metricRelabelings | nindent 8 }}
-  {{- end }}
+      metricRelabelings:
+        - action: replace
+          replacement: {{ .endpoint }}
+          sourceLabels: [instance]
+          targetLabel: instance
+        - action: replace
+          replacement: {{ .name }}
+          sourceLabels: [target]
+          targetLabel: target
+      {{- if $.Values.serviceMonitor.metricRelabelings -}}
+        {{ toYaml $.Values.serviceMonitor.metricRelabelings | nindent 8 }}
+      {{- end }}
   {{- if $.Values.serviceMonitor.relabelings }}
       relabelings: {{ toYaml $.Values.serviceMonitor.relabelings | nindent 8 }}
   {{- end }}