[prometheus-node-exporter] permit to customize service clusterIP (#4597)

* feat(node-exporter): permit to customize clusterIP It permits to disable clusterIP which is not required to fetch metrics. On clusters with very huge node number always moving, it create a loadbalancer on each node using much memory and CPU due to watches from the service proxy Signed-off-by: Loic Blot <[email protected]> * Correct version numbers in Chart.yaml Signed-off-by: zeritti <[email protected]> --------- Signed-off-by: Loic Blot <[email protected]> Signed-off-by: MH <[email protected]> Signed-off-by: zeritti <[email protected]> Co-authored-by: MH <[email protected]> Co-authored-by: zeritti <[email protected]>
prometheus-community · Jun 9, 2024 · 0ce6914 · 0ce6914
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commit 0ce6914
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diff --git a/charts/prometheus-node-exporter/Chart.yaml b/charts/prometheus-node-exporter/Chart.yaml
@@ -6,7 +6,7 @@ keywords:
   - prometheus
   - exporter
 type: application
-version: 4.35.0
+version: 4.36.0
 appVersion: 1.8.1
 home: https://github.com/prometheus/node_exporter/
 sources:

diff --git a/charts/prometheus-node-exporter/templates/service.yaml b/charts/prometheus-node-exporter/templates/service.yaml
@@ -19,6 +19,9 @@ spec:
   externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy }}
 {{- end }}
   type: {{ .Values.service.type }}
+{{- if and (eq .Values.service.type "ClusterIP") .Values.service.clusterIP }}
+  clusterIP: "{{ .Values.service.clusterIP }}"
+{{- end }}
   ports:
     - port: {{ .Values.service.port }}
       {{- if ( and (eq .Values.service.type "NodePort" ) (not (empty .Values.service.nodePort)) ) }}

diff --git a/charts/prometheus-node-exporter/values.yaml b/charts/prometheus-node-exporter/values.yaml
@@ -87,6 +87,7 @@ kubeRBACProxy:
 service:
   enabled: true
   type: ClusterIP
+  clusterIP: ""
   port: 9100
   targetPort: 9100
   nodePort: