refactor config (transitional). Details:
- ReadConfig initialiser sets up global ethutil.Config via config file passed from wrappers - does not write out adhoc default (not meant to) but creates empty config file if it does not exist so that globalconf does not complain if persists a flag - default datadir and default config file set together with other flag defaults in wrappers - default assetpath set together with other command line flags defaults in gui wrapper (not in ethutil.Config or ui/ui_lib) - add EnvPrefix, to handle environment variable options too via globalconf - this is still transitional: global Config should just be a wrapper around globalconfig config handler and should be moved to go-ethereum - actual eth stack config should not be global instead config handled properly with explicit dependency injectioninto eth stack component instances
This commit is contained in:
zelig
parent
b9e8a3e024
commit
63157c798d
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@ -4,18 +4,14 @@ import (
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"flag"
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"fmt"
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"github.com/rakyll/globalconf"
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"log"
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"os"
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"os/user"
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"path"
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"runtime"
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"os"
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)
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// Config struct
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type config struct {
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Db Database
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Log *Logger
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ExecPath string
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Debug bool
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Ver string
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@ -26,62 +22,31 @@ type config struct {
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conf *globalconf.GlobalConf
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}
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const defaultConf = `
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id = ""
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port = 30303
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upnp = true
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maxpeer = 10
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rpc = false
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rpcport = 8080
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`
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var Config *config
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func ApplicationFolder(base string) string {
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usr, _ := user.Current()
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p := path.Join(usr.HomeDir, base)
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if len(base) > 0 {
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//Check if the logging directory already exists, create it if not
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_, err := os.Stat(p)
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if err != nil {
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if os.IsNotExist(err) {
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log.Printf("Debug logging directory %s doesn't exist, creating it\n", p)
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os.Mkdir(p, 0777)
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}
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}
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iniFilePath := path.Join(p, "conf.ini")
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_, err = os.Stat(iniFilePath)
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if err != nil && os.IsNotExist(err) {
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file, err := os.Create(iniFilePath)
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if err != nil {
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fmt.Println(err)
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} else {
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assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal", "assets")
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file.Write([]byte(defaultConf + "\nasset_path = " + assetPath))
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}
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}
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}
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return p
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}
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// Read config
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//
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// Initialize the global Config variable with default settings
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func ReadConfig(base string, logTypes LoggerType, g *globalconf.GlobalConf, id string) *config {
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// Initialize Config from Config File
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func ReadConfig(ConfigFile string, Datadir string, Identifier string, EnvPrefix string) *config {
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if Config == nil {
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path := ApplicationFolder(base)
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Config = &config{ExecPath: path, Debug: true, Ver: "0.5.14"}
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Config.conf = g
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Config.Identifier = id
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Config.Log = NewLogger(logTypes, LogLevelDebug)
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// create ConfigFile if does not exist, otherwise globalconf panic when trying to persist flags
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_, err := os.Stat(ConfigFile)
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if err != nil && os.IsNotExist(err) {
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fmt.Printf("config file '%s' doesn't exist, creating it\n", ConfigFile)
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os.Create(ConfigFile)
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}
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g, err := globalconf.NewWithOptions(&globalconf.Options{
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Filename: ConfigFile,
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EnvPrefix: EnvPrefix,
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})
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if err != nil {
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fmt.Println(err)
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} else {
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g.ParseAll()
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}
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Config = &config{ExecPath: Datadir, Debug: true, Ver: "0.5.14", conf: g, Identifier: Identifier}
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Config.SetClientString("Ethereum(G)")
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}
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return Config
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}
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@ -98,137 +63,12 @@ func (c *config) SetIdentifier(id string) {
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c.Set("id", id)
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}
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// provides persistence for flags
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func (c *config) Set(key, value string) {
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f := &flag.Flag{Name: key, Value: &confValue{value}}
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c.conf.Set("", f)
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}
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type LoggerType byte
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const (
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LogFile = 0x1
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LogStd = 0x2
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)
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type LogSystem interface {
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Println(v ...interface{})
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Printf(format string, v ...interface{})
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}
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type Logger struct {
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logSys []LogSystem
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logLevel int
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}
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func NewLogger(flag LoggerType, level int) *Logger {
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var loggers []LogSystem
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flags := log.LstdFlags
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if flag&LogFile > 0 {
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file, err := os.OpenFile(path.Join(Config.ExecPath, "debug.log"), os.O_RDWR|os.O_CREATE|os.O_APPEND, os.ModePerm)
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if err != nil {
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log.Panic("unable to create file logger", err)
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}
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log := log.New(file, "", flags)
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loggers = append(loggers, log)
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}
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if flag&LogStd > 0 {
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log := log.New(os.Stdout, "", flags)
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loggers = append(loggers, log)
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}
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return &Logger{logSys: loggers, logLevel: level}
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}
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func (self *Logger) SetLevel(level int) {
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self.logLevel = level
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}
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func (log *Logger) AddLogSystem(logger LogSystem) {
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log.logSys = append(log.logSys, logger)
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}
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const (
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LogLevelSystem = iota
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LogLevelDebug
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LogLevelInfo
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)
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func (log *Logger) Debugln(v ...interface{}) {
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if log.logLevel != LogLevelDebug {
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return
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}
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for _, logger := range log.logSys {
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logger.Println(v...)
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}
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}
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func (log *Logger) Debugf(format string, v ...interface{}) {
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if log.logLevel != LogLevelDebug {
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return
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}
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for _, logger := range log.logSys {
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logger.Printf(format, v...)
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}
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}
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func (log *Logger) Infoln(v ...interface{}) {
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if log.logLevel > LogLevelInfo {
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return
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}
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for _, logger := range log.logSys {
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logger.Println(v...)
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}
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}
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func (log *Logger) Infof(format string, v ...interface{}) {
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if log.logLevel > LogLevelInfo {
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return
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}
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for _, logger := range log.logSys {
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logger.Printf(format, v...)
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}
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}
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func (log *Logger) Fatal(v ...interface{}) {
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if log.logLevel > LogLevelInfo {
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return
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}
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for _, logger := range log.logSys {
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logger.Println(v...)
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}
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os.Exit(1)
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}
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func (log *Logger) Println(level int, v ...interface{}) {
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if log.logLevel > level {
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return
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}
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for _, logger := range log.logSys {
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logger.Println(v...)
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}
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}
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func (log *Logger) Printf(level int, format string, v ...interface{}) {
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if log.logLevel > level {
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return
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}
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for _, logger := range log.logSys {
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logger.Printf(format, v...)
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}
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}
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type confValue struct {
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value string
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}
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