}
		return err
	case err := <-done:
		return err
	}
}

func (e *envoy) Cleanup() {
	if e.ConfigCleanup {
		if err := os.Remove(e.ConfigPath); err != nil {
			log.Warnf("Failed to delete config file %s: %v", e.ConfigPath, err)
		}
	}

	}
}

func TestApplyMeshConfigDefaults(t *testing.T) {
	configPath := "/test/config/patch"
	yaml := fmt.Sprintf(`
defaultConfig:
  configPath: %s
`, configPath)

	want := mesh.DefaultMeshConfig()
	want.DefaultConfig.ConfigPath = configPath

	got, err := mesh.ApplyMeshConfigDefaults(yaml)
	if err != nil {

	cfg := ProxyConfig{
		LogLevel:          "trace",
		ComponentLogLevel: "misc:error",
		NodeIPs:           []string{"10.75.2.9", "192.168.11.18"},
		BinaryPath:        proxyConfig.BinaryPath,
		ConfigPath:        proxyConfig.ConfigPath,
		ConfigCleanup:     true,
		AdminPort:         proxyConfig.ProxyAdminPort,
		DrainDuration:     proxyConfig.DrainDuration,
		Concurrency:       8,
	}

	test := &envoy{
		ProxyConfig: cfg,

	}
	o := &istioagent.AgentOptions{
		XDSRootCerts:             xdsRootCA,
		CARootCerts:              caRootCA,
		XDSHeaders:               map[string]string{},
		XdsUdsPath:               filepath.Join(cfg.ConfigPath, "XDS"),
		IsIPv6:                   proxy.IsIPv6(),
		ProxyType:                proxy.Type,
		EnableDynamicProxyConfig: enableProxyConfigXdsEnv,
		WASMOptions: wasm.Options{

	defaultIstioctlConfig = "$HOME/.istioctl/config.yaml"
)

const (
	FlagCharts = "charts"
)

// ConfigAndEnvProcessing uses spf13/viper for overriding CLI parameters
func ConfigAndEnvProcessing() error {
	configPath := filepath.Dir(root.IstioConfig)
	baseName := filepath.Base(root.IstioConfig)
	configType := filepath.Ext(root.IstioConfig)
	configName := baseName[0 : len(baseName)-len(configType)]
	if configType != "" {

  },

_IPS":"10.3.3.3,10.4.4.4,10.5.5.5,10.6.6.6","ISTIO_VERSION":"binary-1.0","OUTLIER_LOG_PATH":"/dev/stdout","PILOT_SAN":["spiffe://cluster.local/ns/istio-system/sa/istio-pilot-service-account"],"PROXY_CONFIG":{"binaryPath":"/usr/local/bin/envoy","configPath":"/tmp/bootstrap/tracing_opencensusagent","customConfigFile":"envoy_bootstrap.json","discoveryAddress":"istio-pilot:15010","drainDuration":"2s","proxyAdminPort":15000,"serviceCluster":"istio-proxy","statusPort":15020,"tracing":{"openCensusAgent...

  },...

  },
  "layered_runtime": {

...