60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package config
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import (
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configViper "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common/config"
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"github.com/spf13/viper"
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)
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// Config represents a group of named values structured
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// by tree type.
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//
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// Sub-trees are named configuration sub-sections,
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// leaves are named configuration values.
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// Names are of string type.
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type Config struct {
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v *viper.Viper
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configFile string
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configDir string
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envPrefix string
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defaultPath []string
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path []string
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}
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const (
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// EnvPrefix is a prefix of ENV variables related
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// to storage node configuration.
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EnvPrefix = "FROSTFS"
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)
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// New creates a new Config instance.
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//
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// If file option is provided,
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// configuration values are read from it.
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// Otherwise, Config is a degenerate tree.
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func New(configFile, configDir, envPrefix string) *Config {
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v, err := configViper.CreateViper(
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configViper.WithConfigFile(configFile),
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configViper.WithConfigDir(configDir),
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configViper.WithEnvPrefix(envPrefix))
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if err != nil {
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panic(err)
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}
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return &Config{
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v: v,
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configFile: configFile,
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configDir: configDir,
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envPrefix: envPrefix,
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}
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}
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// Reload reads configuration path if it was provided to New.
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func (x *Config) Reload() error {
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return configViper.ReloadViper(
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configViper.WithViper(x.v), configViper.WithConfigFile(x.configFile),
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configViper.WithConfigDir(x.configDir),
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configViper.WithEnvPrefix(x.envPrefix))
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}
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