t.Run(fmt.Sprintf("case %d %s", i, strings.Join(c.Args, " ")), func(t *testing.T) {
			testutil.VerifyOutput(t, Cmd(), c)
		})
	}
}

func init() {
	viper.SetDefault("istioNamespace", constants.IstioSystemNamespace)
	viper.SetDefault("xds-port", 15012)

	"istio.io/istio/pkg/env"
)

// settableFlags are the flags used to istioctl
var settableFlags = map[string]env.VariableInfo{
	"istioNamespace":      env.Register("ISTIOCTL_ISTIONAMESPACE", constants.IstioSystemNamespace, "The istioctl --istioNamespace override"),
	"xds-address":         env.Register("ISTIOCTL_XDS_ADDRESS", "", "The istioctl --xds-address override"),

	"istio.io/istio/pkg/env"
)

var (
	PodNamespace      = env.RegisterStringVar("POD_NAMESPACE", "", "pod's namespace").Get()
	SystemNamespace   = env.RegisterStringVar("SYSTEM_NAMESPACE", constants.IstioSystemNamespace, "istio system namespace").Get()
	PodName           = env.RegisterStringVar("POD_NAME", "", "").Get()
	NodeName          = env.RegisterStringVar("NODE_NAME", "", "").Get()

	if root.IstioConfig != defaultIstioctlConfig {
		return err
	}

	return nil
}

func init() {
	viper.SetDefault("istioNamespace", constants.IstioSystemNamespace)
	viper.SetDefault("xds-port", 15012)
}

// GetRootCmd returns the root of the cobra command-tree.
func GetRootCmd(args []string) *cobra.Command {
	rootCmd := &cobra.Command{