// getIOPConfigs gets the configs in IOPs.
func getIOPConfigs() (string, *meshconfig.MeshConfig, error) {
	var meshConfig *meshconfig.MeshConfig
	var valuesConfig string
	if iopFilename != "" {
		iop, err := render.MergeInputs([]string{iopFilename}, nil, nil)
		if err != nil {
			return "", nil, err
		}
		v, _ := iop.GetPathMap("spec.values")
		valuesConfig = v.JSON()
		if mc, f := iop.GetPathMap("spec.meshConfig"); f {