[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/pv-primary.yaml b/kubernetes/common/postgres/templates/pv-primary.yaml
index e1ff1f9..8db79d6 100644
--- a/kubernetes/common/postgres/templates/pv-primary.yaml
+++ b/kubernetes/common/postgres/templates/pv-primary.yaml
@@ -13,6 +13,7 @@
 # # See the License for the specific language governing permissions and
 # # limitations under the License.
 */}}
+{{- if not .Values.global.postgres.useOperator }}
 {{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
 {{- if include "common.needPV" . -}}
 kind: PersistentVolume
@@ -37,3 +38,4 @@
     path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ include "common.release" . }}/{{ .Values.persistence.mountSubPath }}/primary
 {{- end -}}
 {{- end -}}
+{{- end }}
\ No newline at end of file