fix: use metrics label selector on client service

Author: bsctl

charts/kamaji-etcd/templates/etcd_client_service.yaml

@@ -3,6 +3,7 @@ kind: Service
 metadata:
   labels:
     {{- include "etcd.labels" . | nindent 4 }}
+    prometheus.io/metrics: "true"
   name: {{ include "client.serviceName" . }}
   namespace: {{ .Release.Namespace }}
 spec:

charts/kamaji-etcd/templates/etcd_service_monitor.yaml

@@ -38,7 +38,8 @@ spec:
     {{- if .Values.serviceMonitor.matchLabels }}
       {{- toYaml .Values.serviceMonitor.matchLabels | nindent 6 }}
     {{- else }}
-      {{- include "etcd.labels" . | nindent 6 }}
+      prometheus.io/metrics: "true"
+      {{- include "etcd.selectorLabels" . | nindent 6 }}
     {{- end }}
   namespaceSelector:
     matchNames: