constellation/cli/internal/cmd/readconfig.go
Daniel Weiße ab536ae3c8 AB#2278 Remove hardcoded values from config (#346)
* Update file handler to avoid incorrect usage of file.Option

* Remove hardcoded values

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
2022-08-08 11:04:17 +02:00

49 lines
1.2 KiB
Go

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) {
if name == "" {
return config.Default(), nil
}
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)
}
fmt.Fprintln(out, "Fix the invalid entries or generate a new configuration using `constellation config generate`")
return errors.New("invalid configuration")
}
if provider != cloudprovider.Unknown && !cnf.HasProvider(provider) {
return fmt.Errorf("configuration doesn't contain provider: %v", provider)
}
return nil
}