Add PodMonitor to gha-runner-scale-set-controller chart

charts/gha-runner-scale-set-controller/templates/_helpers.tpl

@@ -111,6 +111,10 @@ Create the name of the service account to use
 {{- include "gha-runner-scale-set-controller.fullname" . }}-listener
 {{- end }}
 
+{{- define "gha-runner-scale-set-controller.managerPodMonitor" -}}
+{{- include "gha-runner-scale-set-controller.fullname" . }}
+{{- end }}
+
 {{- define "gha-runner-scale-set-controller.leaderElectionRoleName" -}}
 {{- include "gha-runner-scale-set-controller.fullname" . }}-leader-election
 {{- end }}

charts/gha-runner-scale-set-controller/templates/manager_cluster_pod_monitor.yaml

@@ -0,0 +1,23 @@
+{{- if hasKey .Values "metrics" }}
+{{- if and (hasKey .Values.metrics "podMonitor") .Values.metrics.podMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  labels:
+    {{- include "gha-runner-scale-set-controller.labels" . | nindent 4 }}
+  name: {{ include "gha-runner-scale-set-controller.managerPodMonitor" . }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  podMetricsEndpoints:
+  {{- with .Values.metrics }}
+  - path: {{ .listenerEndpoint }}
+    port: metrics
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "gha-runner-scale-set-controller.selectorLabels" . | nindent 6 }}
+  namespaceSelector:
+    matchNames:
+    - {{ .Release.Namespace }}
+{{- end }}
+{{- end }}

charts/gha-runner-scale-set-controller/values.yaml

@@ -93,6 +93,8 @@ priorityClassName: ""
 #   controllerManagerAddr: ":8080"
 #   listenerAddr: ":8080"
 #   listenerEndpoint: "/metrics"
+#   podMonitor:
+#     enabled: true
 
 flags:
   ## Log level can be set here with one of the following values: "debug", "info", "warn", "error".