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matcher.go
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/
matcher.go
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package api
import (
metainternal "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
)
func ListOptionsToSelectors(options *metav1.ListOptions) (labels.Selector, fields.Selector, error) {
label := ""
if options != nil && options.LabelSelector != "" {
label = options.LabelSelector
}
field := ""
if options != nil && options.FieldSelector != "" {
field = options.FieldSelector
}
labelSel, err := labels.Parse(label)
if err != nil {
return labels.Everything(), fields.Everything(), err
}
fieldSel, err := fields.ParseSelector(field)
if err != nil {
return labels.Everything(), fields.Everything(), err
}
return labelSel, fieldSel, nil
}
func InternalListOptionsToSelectors(options *metainternal.ListOptions) (labels.Selector, fields.Selector) {
label := labels.Everything()
if options != nil && options.LabelSelector != nil {
label = options.LabelSelector
}
field := fields.Everything()
if options != nil && options.FieldSelector != nil {
field = options.FieldSelector
}
return label, field
}