46 lines
834 B
Go
46 lines
834 B
Go
package openstack
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import (
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"fmt"
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"github.com/mitchellh/packer/packer"
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)
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// ImageConfig is for common configuration related to creating Images.
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type ImageConfig struct {
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ImageName string `mapstructure:"image_name"`
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}
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func (c *ImageConfig) Prepare(t *packer.ConfigTemplate) []error {
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if t == nil {
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var err error
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t, err = packer.NewConfigTemplate()
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if err != nil {
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return []error{err}
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}
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}
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templates := map[string]*string{
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"image_name": &c.ImageName,
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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(
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errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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if c.ImageName == "" {
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errs = append(errs, fmt.Errorf("An image_name must be specified"))
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}
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if len(errs) > 0 {
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return errs
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}
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return nil
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}
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