allow configuration of ipFamilyPolicy

Signed-off-by: dongjiang1989 <dongjiang1989@126.com>

charts/descheduler/templates/service.yaml

@@ -9,6 +9,12 @@ metadata:
   namespace: {{ .Release.Namespace }}
 spec:
   clusterIP: None
+  {{- if .Values.service.ipFamilyPolicy }}
+  ipFamilyPolicy: {{ .Values.service.ipFamilyPolicy }}
+  {{- end }}
+  {{- if .Values.service.ipFamilies }}
+  ipFamilies: {{ toYaml .Values.service.ipFamilies | nindent 4 }}
+  {{- end }}
   ports:
   - name: http-metrics
     port: 10258

charts/descheduler/values.yaml

@@ -189,6 +189,16 @@ livenessProbe:
 
 service:
   enabled: false
+  # @param service.ipFamilyPolicy [string], support SingleStack, PreferDualStack and RequireDualStack
+  #
+  ipFamilyPolicy: ""
+  # @param service.ipFamilies [array] List of IP families (e.g. IPv4, IPv6) assigned to the service.
+  # Ref: https://kubernetes.io/docs/concepts/services-networking/dual-stack/
+  # E.g.
+  # ipFamilies:
+  #   - IPv6
+  #   - IPv4
+  ipFamilies: []
 
 serviceMonitor:
   enabled: false