[COMMON] Add limits to cassandra statefulsets.

Having limits is important in order to have safe deployment.
cassandra didn't had one so let's add them.

Issue-ID: OOM-2230
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Id3fef8c351f1be977eab49abd111304b9edd9151
diff --git a/kubernetes/common/cassandra/templates/statefulset.yaml b/kubernetes/common/cassandra/templates/statefulset.yaml
index 2bcafd9..8c49b69 100644
--- a/kubernetes/common/cassandra/templates/statefulset.yaml
+++ b/kubernetes/common/cassandra/templates/statefulset.yaml
@@ -112,15 +112,12 @@
         {{- else }}
               command: ["/bin/sh", "-c", "PID=$(pidof java) && kill $PID && while ps -p $PID > /dev/null; do sleep 1; done"]
         {{- end }}
-        resources:
-{{ toYaml .Values.resources | indent 10 }}
+        resources: {{ toYaml .Values.resources | nindent 10 }}
       {{- if .Values.nodeSelector }}
-      nodeSelector:
-{{ toYaml .Values.nodeSelector | indent 8 }}
+      nodeSelector: {{ toYaml .Values.nodeSelector | nindent 8 }}
       {{- end -}}
       {{- if .Values.affinity }}
-      affinity:
-{{ toYaml .Values.affinity | indent 8 }}
+      affinity: {{ toYaml .Values.affinity | nindent 8 }}
       {{- end }}
       volumes:
       - name: localtime