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