fix(pod,podMonitor,service): avoid error of immutable labels

templates/prometheus-postgres-exporter/_pod.tpl

@@ -13,5 +13,5 @@
 {{- end }}
 
 {{- define "prometheus-postgres-exporter.pod.selectorLabels" -}}
-{{ include "prometheus-postgres-exporter.pod.labels" . }}
+{{ include "prometheus-postgres-exporter.selectorLabels" . }}
 {{- end }}

unittests/podMonitors/podMonitorHTTP.yaml

@@ -90,10 +90,7 @@ tests:
       path: spec.selector.matchLabels
       value:
         app.kubernetes.io/instance: prometheus-postgres-exporter-unittest
-        app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: prometheus-postgres-exporter
-        app.kubernetes.io/version: 0.1.0
-        helm.sh/chart: prometheus-postgres-exporter-0.1.0
 
 - it: Render podMonitor with custom annotations and labels.
   set:

unittests/services/http.yaml

@@ -63,10 +63,7 @@ tests:
       path: spec.selector
       value:
         app.kubernetes.io/instance: prometheus-postgres-exporter-unittest
-        app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: prometheus-postgres-exporter
-        app.kubernetes.io/version: 0.1.0
-        helm.sh/chart: prometheus-postgres-exporter-0.1.0
   - equal:
       path: spec.sessionAffinity
       value: None