// validate the config object
func validateConfig(backupConfig config.Config, driver *btrfs.Btrfs) error {
// check to see if subvolume exists
// do other sanity checks
err := driver.Prepare(backupConfig)
if err != nil {
return err
}
// make sure that port number makes sense
err = fmt.Errorf("Invalid port number: %d", backupConfig.DestinationPort)
if backupConfig.DestinationPort > 65535 || backupConfig.DestinationPort < 1024 {
return err
}
// do initial testing of system by listing subvolumes
// and perform an initial snapshot for purposes of use later
subvols, err := driver.Subvolumes(backupConfig)
if err != nil && subvols == nil {
return err
}
_, err2 := driver.Snapshot(backupConfig, "/")
if err2 != nil {
return err2
}
return nil
}
