func parseLabels(spec []string) (map[string]string, []string, error) {
labels := map[string]string{}
var remove []string
for _, labelSpec := range spec {
if strings.Index(labelSpec, "=") != -1 {
parts := strings.Split(labelSpec, "=")
if len(parts) != 2 || len(parts[1]) == 0 || !util.IsValidLabelValue(parts[1]) {
return nil, nil, fmt.Errorf("invalid label spec: %v", labelSpec)
}
labels[parts[0]] = parts[1]
} else if strings.HasSuffix(labelSpec, "-") {
remove = append(remove, labelSpec[:len(labelSpec)-1])
} else {
return nil, nil, fmt.Errorf("unknown label spec: %v", labelSpec)
}
}
for _, removeLabel := range remove {
if _, found := labels[removeLabel]; found {
return nil, nil, fmt.Errorf("can not both modify and remove a label in the same command")
}
}
return labels, remove, nil
}
func validateLabelValue(v string) error {
if !util.IsValidLabelValue(v) {
return fielderrors.NewFieldInvalid("label value", v, qualifiedNameErrorMsg)
}
return nil
}