// limitations under the License.

package root

import (
	"istio.io/istio/pkg/env"
	"istio.io/istio/pkg/log"
)

const (
	// Location to read istioctl defaults from
	defaultIstioctlConfig = "$HOME/.istioctl/config.yaml"
)

var (
	// IstioConfig is the name of the istioctl config file (if any)
	IstioConfig = env.Register("ISTIOCONFIG", defaultIstioctlConfig,
		"Default values for istioctl flags").Get()

	configType := filepath.Ext(root.IstioConfig)
	configName := baseName[0 : len(baseName)-len(configType)]
	if configType != "" {
		configType = configType[1:]
	}

	// Allow users to override some variables through $HOME/.istioctl/config.yaml
	// and environment variables.
	viper.SetEnvPrefix("ISTIOCTL")
	viper.AutomaticEnv()
	viper.AllowEmptyEnv(true) // So we can say ISTIOCTL_CERT_DIR="" to suppress certs

	registerIntegerParameter(constants.KubeconfigMode, constants.DefaultKubeconfigMode, "File mode of the kubeconfig file")
	registerStringParameter(constants.KubeCAFile, "", "CA file for kubeconfig. Defaults to the same as install-cni pod")
	registerBooleanParameter(constants.SkipTLSVerify, false, "Whether to use insecure TLS in kubeconfig file")
	registerIntegerParameter(constants.MonitoringPort, 15014, "HTTP port to serve prometheus metrics")