/
metadata.go
87 lines (77 loc) · 1.71 KB
/
metadata.go
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package kubeutil
import "strings"
type LabelsAccessor interface {
GetLabels() map[string]string
SetLabels(labels map[string]string)
}
func Label(o LabelsAccessor, key string, value string) {
labels := o.GetLabels()
if labels == nil {
labels = map[string]string{}
}
if value != "" {
labels[key] = value
} else {
delete(labels, key)
}
o.SetLabels(labels)
}
func GetLabel(o LabelsAccessor, key string) string {
labels := o.GetLabels()
if labels != nil {
if a, ok := labels[key]; ok {
return a
}
}
return ""
}
type AnnotationsAccessor interface {
GetAnnotations() map[string]string
SetAnnotations(annotations map[string]string)
}
func Annotate(o AnnotationsAccessor, key string, value string) bool {
annotations := o.GetAnnotations()
if annotations == nil {
annotations = map[string]string{}
}
if value != "" {
if current, ok := annotations[key]; ok {
if current == value {
return false
}
}
annotations[key] = value
} else {
if _, ok := annotations[key]; !ok {
return false
}
delete(annotations, key)
}
o.SetAnnotations(annotations)
return true
}
func AppendAnnotate(o AnnotationsAccessor, key string, value string) {
annotations := o.GetAnnotations()
if annotations == nil {
annotations = map[string]string{}
}
if value != "" {
if current, ok := annotations[key]; ok {
annotations[key] = strings.Join(Union(strings.Split(current, ","), strings.Split(value, ",")), ",")
} else {
annotations[key] = value
}
} else {
delete(annotations, key)
}
o.SetAnnotations(annotations)
}
func GetAnnotate(o AnnotationsAccessor, key string) string {
annotations := o.GetAnnotations()
if annotations != nil {
if a, ok := annotations[key]; ok {
return a
}
}
return ""
}