[prometheus-blackbox-exporter] feat: add revisionHistoryLimit as a va…

…lue to blackbox-exporter helmchart (#5250) * feat: add revisionHistoryLimit as a value to blackbox-exporter helmchart Signed-off-by: Carsten Sonyi <carsten.sonyi@yahoo.de> * docs: add context to value revisionHistoryLimit Signed-off-by: Carsten Sonyi <carsten.sonyi@yahoo.de> * feat: bump chart version Signed-off-by: Carsten Sonyi <carsten.sonyi@yahoo.de> --------- Signed-off-by: Carsten Sonyi <carsten.sonyi@yahoo.de>
prometheus-community · Jan 31, 2025 · 3eb061f · 3eb061f
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diff --git a/charts/prometheus-blackbox-exporter/Chart.yaml b/charts/prometheus-blackbox-exporter/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 description: Prometheus Blackbox Exporter
 name: prometheus-blackbox-exporter
-version: 9.1.0
+version: 9.2.0
 appVersion: v0.25.0
 kubeVersion: ">=1.21.0-0"
 home: https://github.com/prometheus/blackbox_exporter

diff --git a/charts/prometheus-blackbox-exporter/templates/deployment.yaml b/charts/prometheus-blackbox-exporter/templates/deployment.yaml
@@ -12,6 +12,7 @@ metadata:
   {{- end }}
 spec:
   replicas: {{ .Values.replicas }}
+  revisionHistoryLimit: {{ .Values.revisionHistoryLimit }}
   selector:
     matchLabels:
       {{- include "prometheus-blackbox-exporter.selectorLabels" . | nindent 6 }}

diff --git a/charts/prometheus-blackbox-exporter/values.yaml b/charts/prometheus-blackbox-exporter/values.yaml
@@ -79,6 +79,10 @@ extraContainers: []
   #     - mountPath: /etc/prometheus/secrets/blackbox-tls
   #       name: secret-blackbox-tls
 
+## Number of replicasets to retain ##
+## default value is 10, 0 will not retain any replicasets and make rollbacks impossible ##
+revisionHistoryLimit: 10
+
 # String mode
 # extraContainers: |-
 #   - name: oAuth2-proxy