lazyload: skip refresh when metric result has not changed

Signed-off-by: believening <kang_417@yeah.net>

staging/src/slime.io/slime/modules/lazyload/controllers/process.go

@@ -94,6 +94,11 @@ func (r *ServicefenceReconciler) Refresh(req reconcile.Request, value map[string
  return reconcile.Result{}, nil
  }
 
+ log.Debugf("refresh with servicefence %s metricstatus old: %v, new: %v", req.NamespacedName, sf.Status.MetricStatus, value)
+ // skip refresh when metric result has not changed
+ if mapStrStrEqual(sf.Status.MetricStatus, value) {
+ return reconcile.Result{}, nil
+ }
  // use updateVisitedHostStatus to update svf.spec and svf.status
  sf.Status.MetricStatus = value
  diff := r.updateVisitedHostStatus(sf)
@@ -109,6 +114,22 @@ func (r *ServicefenceReconciler) Refresh(req reconcile.Request, value map[string
  return reconcile.Result{}, nil
 }
 
+func mapStrStrEqual(m1, m2 map[string]string) bool {
+ if len(m1) != len(m2) {
+ return false
+ }
+ for k, v1 := range m1 {
+ v2, exist := m2[k]
+ if !exist {
+ return false
+ }
+ if v2 != v1 {
+ return false
+ }
+ }
+ return true
+}
+
 func (r *ServicefenceReconciler) isNsFenced(ns *corev1.Namespace) bool {
  if ns != nil && ns.Labels != nil {
  switch ns.Labels[LabelServiceFenced] {