Added nodeSelector (#3719)

incubator/zookeeper/Chart.yaml

@@ -1,6 +1,6 @@
 name: zookeeper
 home: https://zookeeper.apache.org/
-version: 0.4.5
+version: 0.4.6
 description: Centralized service for maintaining configuration information, naming,
   providing distributed synchronization, and providing group services.
 icon: https://zookeeper.apache.org/images/zookeeper_small.gif

incubator/zookeeper/templates/statefulset.yaml

@@ -21,6 +21,10 @@ spec:
 {{- if .Values.affinity }}
       affinity:
 {{ toYaml .Values.affinity | indent 8 }}
+{{- end }}
+{{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
 {{- end }}
       containers:
       - name: {{ template "zookeeper.name" . }}-server

incubator/zookeeper/values.yaml

@@ -47,3 +47,8 @@ affinity: {}
 #             operator: NotIn
 #             values:
 #               - "true"
+
+## Node labels for pod assignment
+## Ref: https://kubernetes.io/docs/user-guide/node-selection/
+##
+nodeSelector: {}