karmada/pkg/util/helper/index.go

41 lines
1.2 KiB
Go

package helper
import (
"context"
"k8s.io/klog/v2"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
workv1alpha1 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha1"
workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
)
// IndexWork creates index for Work.
func IndexWork(ctx context.Context, mgr ctrl.Manager) error {
err := mgr.GetFieldIndexer().IndexField(ctx, &workv1alpha1.Work{}, workv1alpha2.ResourceBindingPermanentIDLabel,
IndexerFuncBasedOnLabel(workv1alpha2.ResourceBindingPermanentIDLabel))
if err != nil {
klog.Errorf("failed to create index for work, err: %v", err)
return err
}
err = mgr.GetFieldIndexer().IndexField(ctx, &workv1alpha1.Work{}, workv1alpha2.ClusterResourceBindingPermanentIDLabel,
IndexerFuncBasedOnLabel(workv1alpha2.ClusterResourceBindingPermanentIDLabel))
if err != nil {
klog.Errorf("failed to create index for work, err: %v", err)
return err
}
return nil
}
// IndexerFuncBasedOnLabel returns an IndexerFunc used to index resource with the given key as label key.
func IndexerFuncBasedOnLabel(key string) client.IndexerFunc {
return func(obj client.Object) []string {
val, ok := obj.GetLabels()[key]
if !ok {
return nil
}
return []string{val}
}
}