[kube-state-metrics] Allow configuration of startupProbe (#4740)

Signed-off-by: Simon Kienzler <[email protected]> Signed-off-by: David Calvert <[email protected]> Co-authored-by: David Calvert <[email protected]>
prometheus-community · Jul 26, 2024 · e0c1e37 · e0c1e37
1 parent f43a9ac
commit e0c1e37
Show file tree

Hide file tree

Showing 3 changed files with 38 additions and 1 deletion.
diff --git a/charts/kube-state-metrics/Chart.yaml b/charts/kube-state-metrics/Chart.yaml
@@ -7,7 +7,7 @@ keywords:
   - prometheus
   - kubernetes
 type: application
-version: 5.22.1
+version: 5.23.0
 appVersion: 2.13.0
 home: https://github.com/kubernetes/kube-state-metrics/
 sources:

diff --git a/charts/kube-state-metrics/templates/deployment.yaml b/charts/kube-state-metrics/templates/deployment.yaml
@@ -147,6 +147,26 @@ spec:
           name: "metrics"
         {{- end }}
         {{- end }}
+        {{- if .Values.startupProbe.enabled }}
+        startupProbe:
+          failureThreshold: {{ .Values.startupProbe.failureThreshold }}
+          httpGet:
+            {{- if .Values.hostNetwork }}
+            host: 127.0.0.1
+            {{- end }}
+            httpHeaders:
+            {{- range $_, $header := .Values.startupProbe.httpGet.httpHeaders }}
+            - name: {{ $header.name }}
+              value: {{ $header.value }}
+            {{- end }}
+            path: /livez
+            port: {{ $servicePort }}
+            scheme: {{ upper .Values.startupProbe.httpGet.scheme }}
+          initialDelaySeconds: {{ .Values.startupProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.startupProbe.periodSeconds }}
+          successThreshold: {{ .Values.startupProbe.successThreshold }}
+          timeoutSeconds: {{ .Values.startupProbe.timeoutSeconds }}
+        {{- end }}
         livenessProbe:
           failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
           httpGet:

diff --git a/charts/kube-state-metrics/values.yaml b/charts/kube-state-metrics/values.yaml
@@ -497,6 +497,23 @@ initContainers: []
   # - name: crd-sidecar
   #   image: kiwigrid/k8s-sidecar:latest
 
+## Settings for startup, liveness and readiness probes
+## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
+##
+
+## Startup probe can optionally be enabled.
+##
+startupProbe:
+  enabled: false
+  failureThreshold: 3
+  httpGet:
+    httpHeaders: []
+    scheme: http
+  initialDelaySeconds: 0
+  periodSeconds: 10
+  successThreshold: 1
+  timeoutSeconds: 5
+
 ## Liveness probe
 ##
 livenessProbe: