Dumping config via expvar

notes.txt

"config dump": "\"\\\"\\\\\\\"\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"&{Name:demo-listener RouteNames:[demo-route-1 demo-route-2]}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"&{Name:hello1 Address:localhost Port:3000 PingURI:/hello HealthCheck: HealthCheckInterval:0 HealthCheckTimeout:0}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"{Name:demo-backend-1 LoadBalancer:0x1880ca70}\\\\\\\\\\\\\\\"&{Name:demo-route-1 URIRoot:/hello Backends:[demo-backend-1] Plugins:[] MultiBackendAdapter: MsgProps:SOAPAction=foo}\\\\\\\"&{Name:hello2 Address:localhost Port:3100 PingURI:/hello HealthCheck: HealthCheckInterval:0 HealthCheckTimeout:0}\\\"{Name:demo-backend-2 LoadBalancer:0x1880cdc0}\"&{Name:demo-route-2 URIRoot:/hello Backends:[demo-backend-2] Plugins:[] MultiBackendAdapter: MsgProps:SOAPAction=bar}",

var serviceConfig = expvar.NewMap("service-config")
const serviceConfigDump = "scd"

func init() {
	configDump := expvar.NewString("config dump")
	configDump.Set("")
	serviceConfig.Set(serviceConfigDump, configDump)
}

func addConfigToDump(configString string) {
	configDump, ok := serviceConfig.Get(serviceConfigDump).(*expvar.String)
	if ok {
		configDumpVal := configDump.String()
		configDumpVal += configString
		configDump.Set(configDumpVal)
		serviceConfig.Set(serviceConfigDump, configDump)
	}
}

addConfigToDump(fmt.Sprintf("%+v", serverConfig))