feat(helm): add topology spread constraints configuration to StatefulSet (#3187)

Co-authored-by: houseme <housemecn@gmail.com>

helm/rustfs/templates/statefulset.yaml

@@ -60,6 +60,10 @@ spec:
       tolerations:
         {{- toYaml .Values.tolerations | nindent 8 }}
       {{- end }}
+      {{- if and .Values.topologySpreadConstraints.enabled .Values.topologySpreadConstraints.constraints }}
+      topologySpreadConstraints:
+        {{- toYaml .Values.topologySpreadConstraints.constraints | nindent 8 }}
+      {{- end }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
       initContainers:

helm/rustfs/values.yaml

@@ -302,6 +302,16 @@ affinity:
     topologyKey: kubernetes.io/hostname
   nodeAffinity: {}
 
+topologySpreadConstraints:
+  enabled: false
+  constraints: []
+    # - maxSkew: 1
+    #   topologyKey: topology.kubernetes.io/zone
+    #   whenUnsatisfiable: ScheduleAnyway
+    #   labelSelector:
+    #     matchLabels:
+    #       app.kubernetes.io/name: rustfs
+
 storageclass:
   name: local-path
   dataStorageSize: 256Mi