[SDNC] Make SDNC compatible with Kubernetes v1.17

Issue-ID: OOM-2466
Signed-off-by: Grzegorz Lis <grzegorz.lis@nokia.com>
Change-Id: Ia007cd54ae20fda08f6e4359248ea5dbac42ac92
diff --git a/kubernetes/sdnc/components/sdnc-prom/templates/deployment.yaml b/kubernetes/sdnc/components/sdnc-prom/templates/deployment.yaml
index 7492b55..c702012 100644
--- a/kubernetes/sdnc/components/sdnc-prom/templates/deployment.yaml
+++ b/kubernetes/sdnc/components/sdnc-prom/templates/deployment.yaml
@@ -14,7 +14,7 @@
 # limitations under the License.
 */}}
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "common.fullname" . }}
@@ -25,6 +25,9 @@
     release: {{ include "common.release" . }}
     heritage: {{ .Release.Service }}
 spec:
+  selector:
+    matchLabels:
+      app: {{ include "common.name" . }}
   replicas: 1
   template:
     metadata: