"istio.io/istio/pkg/collateral"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/bug-report/pkg/bugreport"
)

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

const (
	FlagCharts = "charts"
)

// ConfigAndEnvProcessing uses spf13/viper for overriding CLI parameters
func ConfigAndEnvProcessing() error {

		if cfg.InstallConfig.AmbientEnabled {
			// Start ambient controller

			// node agent will spawn a goroutine and watch the K8S API for events,
			// as well as listen for messages from the CNI binary.
			log.Info("Starting ambient node agent with inpod redirect mode")
			ambientAgent, err := nodeagent.NewServer(ctx, watchServerReady, cfg.InstallConfig.CNIEventAddress,
				nodeagent.AmbientArgs{