[incubator/zookeeper] Add support for priorityClasses (#6608)

- add support for priorityClasses

incubator/zookeeper/Chart.yaml

@@ -1,6 +1,6 @@
 name: zookeeper
 home: https://zookeeper.apache.org/
-version: 1.0.2
+version: 1.1.0
 appVersion: 3.4.10
 description: Centralized service for maintaining configuration information, naming,
   providing distributed synchronization, and providing group services.

incubator/zookeeper/templates/job-chroots.yaml

@@ -30,6 +30,9 @@ spec:
         job: chroots
     spec:
       restartPolicy: {{ $job.restartPolicy }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: "{{ .Values.priorityClassName }}"
+{{- end }}
       containers:
         - name: main
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

incubator/zookeeper/templates/statefulset.yaml

@@ -44,6 +44,9 @@ spec:
 {{- end }}
       securityContext:
 {{ toYaml .Values.securityContext | indent 8 }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: "{{ .Values.priorityClassName }}"
+{{- end }}
       containers:
 
         - name: zookeeper

incubator/zookeeper/values.yaml

@@ -62,6 +62,8 @@ resources: {}  # Optionally specify how much CPU and memory (RAM) each zookeeper
   #  cpu: 100m
   #  memory: 128Mi
 
+priorityClassName: ""
+
 nodeSelector: {}  # Node label-values required to run zookeeper pods.
 
 tolerations: []  # Node taint overrides for zookeeper pods.