constellation/cli/cmd/readconfig.go
Thomas Tendyck 2ba3c153de AB#2117 cli: validate config (#170)
* AB#2117 cli: validate config

* update hack/go.mod
2022-05-23 15:01:39 +02:00

44 lines
1.0 KiB
Go

package cmd
import (
"errors"
"fmt"
"io"
"github.com/edgelesssys/constellation/cli/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 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")
}
if provider != cloudprovider.Unknown && !cnf.HasProvider(provider) {
return fmt.Errorf("configuration doesn't contain provider: %v", provider)
}
return nil
}