/
imagestream_evaluator.go
37 lines (34 loc) · 1.29 KB
/
imagestream_evaluator.go
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package image
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
kquota "k8s.io/kubernetes/pkg/quota"
"k8s.io/kubernetes/pkg/quota/generic"
imageapi "github.com/openshift/origin/pkg/image/apis/image"
imageinternalversion "github.com/openshift/origin/pkg/image/generated/listers/image/internalversion"
)
// NewImageStreamEvaluator computes resource usage of ImageStreams. Instantiating this is necessary for
// resource quota admission controller to properly work on image stream related objects.
func NewImageStreamEvaluator(store imageinternalversion.ImageStreamLister) kquota.Evaluator {
return &generic.ObjectCountEvaluator{
AllowCreateOnUpdate: false,
InternalGroupKind: imageapi.Kind("ImageStream"),
ResourceName: imageapi.ResourceImageStreams,
ListFuncByNamespace: func(namespace string, options metav1.ListOptions) ([]runtime.Object, error) {
labelSelector, err := labels.Parse(options.LabelSelector)
if err != nil {
return nil, err
}
list, err := store.ImageStreams(namespace).List(labelSelector)
if err != nil {
return nil, err
}
results := make([]runtime.Object, 0, len(list))
for _, is := range list {
results = append(results, is)
}
return results, nil
},
}
}