package cmd import ( "errors" "fmt" "io" "github.com/edgelesssys/constellation/internal/cloud/cloudprovider" "github.com/edgelesssys/constellation/internal/config" "github.com/edgelesssys/constellation/internal/file" ) func readConfig(out io.Writer, fileHandler file.Handler, name string, provider cloudprovider.Provider) (*config.Config, error) { cnf, err := config.FromFile(fileHandler, name) if err != nil { return nil, err } if err := validateConfig(out, cnf, provider); err != nil { return nil, err } return cnf, nil } func validateConfig(out io.Writer, cnf *config.Config, provider cloudprovider.Provider) error { msgs, err := cnf.Validate() if err != nil { return fmt.Errorf("performing config validation: %w", err) } if len(msgs) > 0 { fmt.Fprintln(out, "Invalid fields in config file:") for _, m := range msgs { fmt.Fprintln(out, "\t"+m) } return errors.New("invalid configuration. Fix the invalid entries or generate a new configuration using `constellation config generate`") } if provider != cloudprovider.Unknown && !cnf.HasProvider(provider) { return fmt.Errorf("configuration doesn't contain provider: %v", provider) } return nil }