[POSTGRES][COMMON] Add support for postgres operator

Add template for the postgres operator instance setup and
modifications to use the postgres instance via Operator
TBD: Update of documentation and fix for clients (DMaaP, CPS)

Issue-ID: OOM-3247

Change-Id: I56c34400dc73c71b936a51260efd231017adaeae
Signed-off-by: rajesh.kumar <rk00747546@techmahindra.com>
diff --git a/kubernetes/common/postgres/templates/metrics-svc-replica.yaml b/kubernetes/common/postgres/templates/metrics-svc-replica.yaml
index 5aa8d76..b8b9e79 100644
--- a/kubernetes/common/postgres/templates/metrics-svc-replica.yaml
+++ b/kubernetes/common/postgres/templates/metrics-svc-replica.yaml
@@ -14,6 +14,7 @@
 # limitations under the License.
 */}}
 
+{{- if not .Values.global.postgres.useOperator }}
 {{- if default false .Values.metrics.enabled }}
 apiVersion: v1
 kind: Service
@@ -33,4 +34,5 @@
   selector:
     name: {{ .Values.container.name.replica }}
     release: {{ include "common.release" . }}
+{{- end }}
 {{- end }}
\ No newline at end of file