func CpInfo(xdsResponse *discovery.DiscoveryResponse) pilotxds.IstioControlPlaneInstance {
	if xdsResponse.ControlPlane == nil {
		return pilotxds.IstioControlPlaneInstance{
			Component: "MISSING",
			ID:        "MISSING",
			Info: istioversion.BuildInfo{
				Version: "MISSING CP ID",
			},
		}
	}

	cpID := pilotxds.IstioControlPlaneInstance{}

	"istio.io/istio/istioctl/pkg/completion"
	"istio.io/istio/istioctl/pkg/multixds"
	"istio.io/istio/istioctl/pkg/util/ambient"
	"istio.io/istio/istioctl/pkg/writer/compare"
	"istio.io/istio/istioctl/pkg/writer/pilot"
	pilotxds "istio.io/istio/pilot/pkg/xds"
	"istio.io/istio/pkg/log"
)

var configDumpFile string

func readConfigFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error