packer-cn/builder/virtualbox/common/export_config.go

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2013-12-22 13:40:39 -05:00
package common
import (
"errors"
"fmt"
"github.com/mitchellh/packer/packer"
)
type ExportConfig struct {
Format string `mapstruture:"format"`
}
func (c *ExportConfig) Prepare(t *packer.ConfigTemplate) []error {
if c.Format == "" {
c.Format = "ovf"
}
templates := map[string]*string{
"format": &c.Format,
}
errs := make([]error, 0)
for n, ptr := range templates {
var err error
*ptr, err = t.Process(*ptr, nil)
if err != nil {
errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
}
}
if c.Format != "ovf" && c.Format != "ova" {
errs = append(errs,
errors.New("invalid format, only 'ovf' or 'ova' are allowed"))
}
return errs
}