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helpers.go
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/
helpers.go
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package api
import (
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/runtime"
)
var accessor = meta.NewAccessor()
func GetMatcher(selector ClusterResourceQuotaSelector) (func(obj runtime.Object) (bool, error), error) {
var labelSelector labels.Selector
if selector.LabelSelector != nil {
var err error
labelSelector, err = unversioned.LabelSelectorAsSelector(selector.LabelSelector)
if err != nil {
return nil, err
}
}
var annotationSelector map[string]string
if len(selector.AnnotationSelector) > 0 {
// ensure our matcher has a stable copy of the map
annotationSelector = make(map[string]string, len(selector.AnnotationSelector))
for k, v := range selector.AnnotationSelector {
annotationSelector[k] = v
}
}
return func(obj runtime.Object) (bool, error) {
if labelSelector != nil {
objLabels, err := accessor.Labels(obj)
if err != nil {
return false, err
}
if !labelSelector.Matches(labels.Set(objLabels)) {
return false, nil
}
}
if annotationSelector != nil {
objAnnotations, err := accessor.Annotations(obj)
if err != nil {
return false, err
}
for k, v := range annotationSelector {
if objValue, exists := objAnnotations[k]; !exists || objValue != v {
return false, nil
}
}
}
return true, nil
}, nil
}