forked from TrueCloudLab/frostfs-node
65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package config
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import (
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"fmt"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/config"
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"github.com/spf13/viper"
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)
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const (
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Separator = "."
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// EnvSeparator is a section separator in ENV variables.
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EnvSeparator = "_"
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)
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func CreateViper(opts ...Option) (*viper.Viper, *Opts) {
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v := viper.New()
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o := DefaultOpts()
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for i := range opts {
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opts[i](o)
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}
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if o.EnvPrefix != "" {
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v.SetEnvPrefix(o.EnvPrefix)
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v.AutomaticEnv()
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v.SetEnvKeyReplacer(strings.NewReplacer(Separator, EnvSeparator))
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}
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if o.Path != "" {
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v.SetConfigFile(o.Path)
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err := v.ReadInConfig()
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if err != nil {
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panic(fmt.Errorf("failed to read config: %w", err))
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}
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}
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if o.ConfigDir != "" {
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if err := config.ReadConfigDir(v, o.ConfigDir); err != nil {
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panic(fmt.Errorf("failed to read config dir: %w", err))
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}
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}
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return v, o
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}
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func ReloadViper(v *viper.Viper, o Opts) error {
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if o.Path != "" {
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err := v.ReadInConfig()
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if err != nil {
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return fmt.Errorf("rereading configuration file: %w", err)
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}
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}
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if o.ConfigDir != "" {
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if err := config.ReadConfigDir(v, o.ConfigDir); err != nil {
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return fmt.Errorf("rereading configuration dir: %w", err)
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}
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}
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return nil
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}
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