changed config to yaml; removed flag support
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parent
a454dbc947
commit
59bd3d7139
1 changed files with 44 additions and 121 deletions
151
config/config.go
151
config/config.go
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@ -1,161 +1,84 @@
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package config
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import (
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"encoding/json"
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"flag"
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"io/ioutil"
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"log"
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"os"
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"strconv"
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"github.com/spf13/viper"
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)
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type Config struct {
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User User `json:"user"`
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ServerTS ServerTS `json:"serverTS"`
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ServerWeb ServerWeb `json:"serverWeb"`
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User struct {
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Nickname string
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Name string
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Password string
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}
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type User struct {
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Nickname string `json:"nickname"`
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Name string `json:"name"`
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Password string `json:"password"`
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ServerTS struct {
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IP string
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PortServer uint16
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PortQuery uint16
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}
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type ServerTS struct {
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IP string `json:"ip"`
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PortServer uint16 `json:"portServer"`
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PortQuery uint16 `json:"portQuery"`
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ServerWeb struct {
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Port uint16
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}
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type ServerWeb struct {
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Port uint16 `json:"port"`
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}
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const FileName = "config.json"
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func New() (*Config, error) {
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config := defaults()
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configFile, err := os.Open(FileName)
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if err != nil {
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if err := config.createFile(); err != nil {
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viper.SetConfigName("config")
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viper.SetConfigFile("yaml")
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viper.AddConfigPath(".")
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if err := viper.ReadInConfig(); err != nil {
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return nil, err
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}
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log.Println(config)
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return &config, nil
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}
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defer configFile.Close()
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setDefaults()
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jsonParser := json.NewDecoder(configFile)
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jsonParser.Decode(&config)
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var config Config
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err := viper.Unmarshal(&config)
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config.overrideWithEnv()
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config.overrideWithFlags()
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config.overrideWithEnvironmentVars()
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return &config, nil
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return &config, err
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}
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func (config Config) createFile() error {
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configJSON, err := json.MarshalIndent(config, "", " ")
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if err != nil {
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return err
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func setDefaults() {
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viper.SetDefault("User.Nickname", "serveradmin")
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viper.SetDefault("User.Name", "serveradmin")
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viper.SetDefault("User.Password", "<changeMe>")
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viper.SetDefault("ServerTS.IP", "127.0.0.1")
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viper.SetDefault("ServerTS.PortServer", "9987")
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viper.SetDefault("ServerTS.PortQuery", "10011")
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viper.SetDefault("ServerWeb.Port", "80")
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}
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return ioutil.WriteFile(FileName, configJSON, 0644)
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}
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func defaults() Config {
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return Config{
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User: User{
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Nickname: "serveradmin",
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Name: "serveradmin",
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Password: "",
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},
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ServerTS: ServerTS{
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IP: "127.0.0.1",
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PortServer: 9987,
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PortQuery: 10011,
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},
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ServerWeb: ServerWeb{
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Port: 80,
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},
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}
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}
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func (config *Config) overrideWithEnv() {
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nickname := os.Getenv("TS3_NICKNAME")
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username := os.Getenv("TS3_NAME")
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password := os.Getenv("TS3_PW")
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tsIP := os.Getenv("TS3_IP")
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tsPort, _ := strconv.Atoi(os.Getenv("TS3_PORT"))
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tsQuery, _ := strconv.Atoi(os.Getenv("TS3_QUERY"))
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webPort, _ := strconv.Atoi(os.Getenv("WEB_PORT"))
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if nickname != "" {
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func (config *Config) overrideWithEnvironmentVars() {
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if nickname := os.Getenv("TS3_NICKNAME"); nickname != "" {
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config.User.Nickname = nickname
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}
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if username != "" {
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if username := os.Getenv("TS3_NAME"); username != "" {
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config.User.Name = username
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}
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if password != "" {
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if password := os.Getenv("TS3_PW"); password != "" {
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config.User.Password = password
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}
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if tsIP != "" {
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if tsIP := os.Getenv("TS3_IP"); tsIP != "" {
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config.ServerTS.IP = tsIP
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}
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if tsPort <= 65535 && tsPort != 0 {
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if tsPort, err := strconv.Atoi(os.Getenv("TS3_PORT")); tsPort <= 65535 && tsPort >= 0 && err == nil {
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config.ServerTS.PortServer = uint16(tsPort)
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}
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if tsQuery <= 65535 && tsQuery != 0 {
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if tsQuery, err := strconv.Atoi(os.Getenv("TS3_QUERY")); tsQuery <= 65535 && tsQuery >= 0 && err == nil {
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config.ServerTS.PortQuery = uint16(tsQuery)
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}
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if webPort <= 65535 && webPort != 0 {
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if webPort, err := strconv.Atoi(os.Getenv("WEB_PORT")); webPort <= 65535 && webPort >= 0 && err == nil {
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config.ServerWeb.Port = uint16(webPort)
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}
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}
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func (config *Config) overrideWithFlags() {
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nickname := flag.String("ts3_nickname", "", "TS3Query nickname")
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username := flag.String("ts3_name", "", "TS3Query username")
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password := flag.String("ts3_pw", "", "TS3Query user password")
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tsIP := flag.String("ts3_ip", "", "TS3 IP address")
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tsPort := flag.Uint64("ts3_port", 65536, "TS3 port")
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tsQuery := flag.Uint64("ts3_query", 65536, "TS3 query port")
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webPort := flag.Uint64("web_port", 65536, "Webserver port")
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flag.Parse()
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if *nickname != "" {
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config.User.Nickname = *nickname
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}
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if *username != "" {
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config.User.Name = *username
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}
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if *password != "" {
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config.User.Password = *password
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}
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if *tsIP != "" {
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config.ServerTS.IP = *tsIP
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}
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if *tsPort <= 65535 && *tsPort != 0 {
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config.ServerTS.PortServer = uint16(*tsPort)
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}
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if *tsQuery <= 65535 && *tsQuery != 0 {
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config.ServerTS.PortQuery = uint16(*tsQuery)
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}
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if *webPort <= 65535 && *webPort != 0 {
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config.ServerWeb.Port = uint16(*webPort)
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}
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}
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