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63 lines
1.6 KiB
63 lines
1.6 KiB
package util
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import (
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"os"
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"path/filepath"
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"strings"
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"github.com/pkg/errors"
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"github.com/spf13/viper"
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)
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var (
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dataDirPath string
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// DoNotSetConfigName is used to predefine if the name of the config should be set.
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// Used for the unit testing
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DoNotSetConfigName = false
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)
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// ReadInConfig loads the configuration and other needed folders for further usage
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func ReadInConfig() error {
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viper.AutomaticEnv()
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viper.SetEnvPrefix("gus")
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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if !DoNotSetConfigName {
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viper.SetConfigName("config")
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}
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viper.AddConfigPath(".")
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setConfigDefaults()
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if err := viper.ReadInConfig(); err != nil {
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return errors.Wrap(err, "could not reload config file")
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}
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return checkForDatadir()
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}
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// setConfigDefaults sets the default values for the configuration
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func setConfigDefaults() {
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viper.SetDefault("http.ListenAddr", ":8080")
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viper.SetDefault("http.BaseURL", "http://localhost:3000")
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viper.SetDefault("General.DataDir", "data")
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viper.SetDefault("General.EnableDebugMode", true)
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viper.SetDefault("General.ShortedIDLength", 4)
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}
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// GetDataDir returns the absolute path of the data directory
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func GetDataDir() string {
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return dataDirPath
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}
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// checkForDatadir checks for the data dir and creates it if it not exists
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func checkForDatadir() error {
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var err error
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dataDirPath, err = filepath.Abs(viper.GetString("General.DataDir"))
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if err != nil {
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return errors.Wrap(err, "could not get relative data dir path")
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}
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if _, err = os.Stat(dataDirPath); os.IsNotExist(err) {
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if err = os.MkdirAll(dataDirPath, 0755); err != nil {
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return errors.Wrap(err, "could not create config directory")
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}
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}
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return nil
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}
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