func verifyAllowedSlice(slice []string) error {
for i, v := range slice {
if _, err := strconv.ParseUint(v, 10, 32); err != nil {
// can fail which means it needs to be a label
labels.ParseLabel(v)
} else if i != 0 {
return fmt.Errorf("value %q: must be only one unsigned "+
"number or label(s) in format of SOURCE:KEY[=VALUE]", v)
}
}
return nil
}
func parseAllowedSlice(slice []string) ([]labels.Label, error) {
inLabels := []labels.Label{}
id := uint32(0)
for _, v := range slice {
if n, err := strconv.ParseUint(v, 10, 32); err != nil {
// can fail which means it needs to be a label
lbl := labels.ParseLabel(v)
inLabels = append(inLabels, *lbl)
} else {
if id != 0 {
return nil, fmt.Errorf("More than one security ID provided")
}
id = uint32(n)
}
}
if id != 0 {
if len(inLabels) > 0 {
return nil, fmt.Errorf("You can only specify either ID or labels")
}
ctx, err := client.GetLabels(id)
if err != nil {
return nil, fmt.Errorf("Unable to retrieve labels for ID %d: %s", id, err)
}
if ctx == nil {
return nil, fmt.Errorf("ID %d not found", id)
}
return ctx.Labels.ToSlice(), nil
} else {
if len(inLabels) == 0 {
return nil, fmt.Errorf("No label or security ID provided")
}
return inLabels, nil
}
}