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package openstack
import (
"fmt"
"github.com/mitchellh/packer/template/interpolate"
)
// ImageConfig is for common configuration related to creating Images.
type ImageConfig struct {
ImageName string `mapstructure:"image_name"`
ImageMetadata map[string]string `mapstructure:"metadata"`
}
func (c *ImageConfig) Prepare(ctx *interpolate.Context) []error {
errs := make([]error, 0)
if c.ImageName == "" {
errs = append(errs, fmt.Errorf("An image_name must be specified"))
}
// By default, OpenStack seems to create the image with an image_type of
// "snapshot", since it came from snapshotting a VM. A "snapshot" looks
// slightly different in the OpenStack UI and OpenStack won't show "snapshot"
// images as a choice in the list of images to boot from for a new instance.
// See https://github.com/mitchellh/packer/issues/3038
if c.ImageMetadata == nil {
c.ImageMetadata = map[string]string{"image_type": "image"}
} else if c.ImageMetadata["image_type"] == "" {
c.ImageMetadata["image_type"] = "image"
}
if len(errs) > 0 {
return errs
}
return nil
}
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