Add enable_prometheus_exporter to podmonitor

Signed-off-by: Kwong Tung Nan <[email protected]>

Author: kwongtn

charts/pgcat/templates/prometheus_exporter.yaml

@@ -1,3 +1,4 @@
+{{- if .Values.configuration.general.enable_prometheus_exporter }}
 apiVersion: monitoring.coreos.com/v1
 kind: PodMonitor
 metadata:
@@ -14,3 +15,4 @@ spec:
     matchLabels:
       app.kubernetes.io/instance: pgcat
       app.kubernetes.io/name: pgcat
+{{- end }}