sigs.k8s.io/kueue@v0.6.2/pkg/controller/jobframework/indexer.go (about)

     1  /*
     2  Copyright 2023 The Kubernetes Authors.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6      http://www.apache.org/licenses/LICENSE-2.0
     7  Unless required by applicable law or agreed to in writing, software
     8  distributed under the License is distributed on an "AS IS" BASIS,
     9  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  See the License for the specific language governing permissions and
    11  limitations under the License.
    12  */
    13  
    14  package jobframework
    15  
    16  import (
    17  	"context"
    18  
    19  	"k8s.io/apimachinery/pkg/runtime/schema"
    20  	"sigs.k8s.io/controller-runtime/pkg/client"
    21  
    22  	kueue "sigs.k8s.io/kueue/apis/kueue/v1beta1"
    23  )
    24  
    25  func SetupWorkloadOwnerIndex(ctx context.Context, indexer client.FieldIndexer, gvk schema.GroupVersionKind) error {
    26  	return indexer.IndexField(ctx, &kueue.Workload{}, GetOwnerKey(gvk), func(o client.Object) []string {
    27  		// grab the Workload object, extract the owner...
    28  		wl := o.(*kueue.Workload)
    29  		if len(wl.OwnerReferences) == 0 {
    30  			return nil
    31  		}
    32  		owners := make([]string, 0, len(wl.OwnerReferences))
    33  		for i := range wl.OwnerReferences {
    34  			owner := &wl.OwnerReferences[i]
    35  			if owner.Kind == gvk.Kind && owner.APIVersion == gvk.GroupVersion().String() {
    36  				owners = append(owners, owner.Name)
    37  			}
    38  		}
    39  		return owners
    40  	})
    41  }