in internal/commands/interceptor/instance.go [62:97]
func parseInstance(required bool, idFlagName, nameFlagName, serviceIDFlagName string) func(*cli.Context) error {
return func(ctx *cli.Context) error {
id := ctx.String(idFlagName)
name := ctx.String(nameFlagName)
serviceID := ctx.String(serviceIDFlagName)
if id == "" && name == "" {
if required {
return fmt.Errorf(`either flags "--%s" or "--%s" must be given`, idFlagName, nameFlagName)
}
return nil
}
if id != "" {
parts := strings.Split(id, "_")
if len(parts) != 2 {
return fmt.Errorf("invalid instance id, cannot be splitted into 2 parts. %v", id)
}
s, err := base64.StdEncoding.DecodeString(parts[1])
if err != nil {
return err
}
name = string(s)
} else if name != "" {
if serviceID == "" {
return fmt.Errorf(`"--%s" is specified but its related service name or id is not given`, nameFlagName)
}
id = serviceID + "_" + b64enc(name)
}
if err := ctx.Set(idFlagName, id); err != nil {
return err
}
return ctx.Set(nameFlagName, name)
}
}