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predicate.go
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predicate.go
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package deployflow
import (
"reflect"
kruiseappsv1alpha1 "github.com/openkruise/kruise-api/apps/v1alpha1"
internalcloneset "github.com/triton-io/triton/pkg/kube/types/cloneset"
"github.com/triton-io/triton/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
)
// CloneSetStatusChangedPredicate is a predicate which focuses on CloneSet status changes.
type CloneSetStatusChangedPredicate struct {
predicate.Funcs
}
func (CloneSetStatusChangedPredicate) Update(e event.UpdateEvent) bool {
logger := log.WithField("event", e)
if e.MetaOld == nil {
logger.Error("UpdateEvent has no old metadata")
return false
}
if e.ObjectOld == nil {
logger.Error("UpdateEvent has no old runtime object to update")
return false
}
if e.ObjectNew == nil {
logger.Error("UpdateEvent has no new runtime object for update")
return false
}
if e.MetaNew == nil {
logger.Error("UpdateEvent has no new metadata")
return false
}
oldCloneSet, ok := e.ObjectOld.(*kruiseappsv1alpha1.CloneSet)
if !ok {
logger.Error("Old runtime object is not a CloneSet")
return false
}
newCloneSet, ok := e.ObjectNew.(*kruiseappsv1alpha1.CloneSet)
if !ok {
logger.Error("New runtime object is not a CloneSet")
return false
}
if !internalcloneset.FromCloneSet(newCloneSet).Managed() {
return false
}
return !reflect.DeepEqual(oldCloneSet.Status, newCloneSet.Status)
}
func (CloneSetStatusChangedPredicate) Create(e event.CreateEvent) bool {
return false
}