Make COMMON/MUSIC compatible with Kubernetes v1.17

Issue-ID: OOM-2484

Signed-off-by: Daniel Milaszkiewicz <daniel.milaszkiewicz@nokia.com>
Change-Id: I8b89986cb73f9d7dedadacf88243623e7e91041f
diff --git a/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml b/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
index 5886649..fbdac61 100644
--- a/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
+++ b/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
@@ -15,7 +15,7 @@
 */}}
 
 
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "common.fullname" . }}
@@ -39,6 +39,9 @@
         topologyKey: kubernetes.io/hostname
   serviceName: {{ include "common.servicename" . }}
   replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ include "common.name" . }}
   podManagementPolicy: {{ .Values.podManagementPolicy }}
   updateStrategy:
     type: {{ .Values.updateStrategy.type }}