package config import ( "fmt" "io/ioutil" "github.com/ghodss/yaml" ) // LoadFile loads configuration from the file given by configPath and // decodes it into cfg. // // YAML and JSON formats are supported. func LoadFile(cfg interface{}, configPath string) error { buf, err := ioutil.ReadFile(configPath) if err != nil { return err } err = yaml.Unmarshal(buf, cfg) if err != nil { return fmt.Errorf("Error decoding config %q: %v", configPath, err) } return nil } // Dump returns a YAML representation of cfg. func Dump(cfg interface{}) ([]byte, error) { return yaml.Marshal(cfg) }