apiVersion: config.karmada.io/v1alpha1 kind: ResourceInterpreterCustomization metadata: name: declarative-configuration-example spec: target: apiVersion: apps/v1 kind: Deployment customizations: replicaResource: luaScript: > local kube = require("kube") function GetReplicas(obj) replica = obj.spec.replicas requirement = kube.accuratePodRequirements(obj.spec.template) return replica, requirement end replicaRevision: luaScript: > function ReviseReplica(obj, desiredReplica) obj.spec.replicas = desiredReplica return obj end retention: luaScript: > function Retain(desiredObj, observedObj) desiredObj.spec.paused = observedObj.spec.paused return desiredObj end statusAggregation: luaScript: > function AggregateStatus(desiredObj, statusItems) if statusItems == nil then return desiredObj end if desiredObj.status == nil then desiredObj.status = {} end replicas = 0 for i = 1, #statusItems do if statusItems[i].status ~= nil and statusItems[i].status.replicas ~= nil then replicas = replicas + statusItems[i].status.replicas end end desiredObj.status.replicas = replicas return desiredObj end statusReflection: luaScript: > function ReflectStatus (observedObj) return observedObj.status end healthInterpretation: luaScript: > function InterpretHealth(observedObj) return observedObj.status.readyReplicas == observedObj.spec.replicas end dependencyInterpretation: luaScript: > local kube = require("kube") function GetDependencies(desiredObj) refs = kube.getPodDependencies(desiredObj.spec.template, desiredObj.metadata.namespace) return refs end