Add missing selectors on PVC

Change-Id: If156e738a26c7c19043657c97ac327125c5162db
Issue-ID: OOM-1486
Signed-off-by: Alexis de Talhouët <adetalhouet89@gmail.com>
diff --git a/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml b/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
index e67a2c3..009c40d 100644
--- a/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
+++ b/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
@@ -132,4 +132,7 @@
         resources:
           requests:
             storage: {{ .Values.persistence.size | quote }}
+        selector:
+          matchLabels:
+            release: "{{ .Release.Name }}"
   {{- end }}