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//go:generate struct-markdown
package openstack
import (
"fmt"
"strings"
imageservice "github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
"github.com/hashicorp/packer/packer-plugin-sdk/template/interpolate"
)
// ImageConfig is for common configuration related to creating Images.
type ImageConfig struct {
// The name of the resulting image.
ImageName string `mapstructure:"image_name" required:"true"`
// Glance metadata that will be applied to the image.
ImageMetadata map[string]string `mapstructure:"metadata" required:"false"`
// One of "public", "private", "shared", or "community".
ImageVisibility imageservice.ImageVisibility `mapstructure:"image_visibility" required:"false"`
// List of members to add to the image after creation. An image member is
// usually a project (also called the "tenant") with whom the image is
// shared.
ImageMembers []string `mapstructure:"image_members" required:"false"`
// When true, perform the image accept so the members can see the image in their
// project. This requires a user with priveleges both in the build project and
// in the members provided. Defaults to false.
ImageAutoAcceptMembers bool `mapstructure:"image_auto_accept_members" required:"false"`
// Disk format of the resulting image. This option works if
// use_blockstorage_volume is true.
ImageDiskFormat string `mapstructure:"image_disk_format" required:"false"`
// List of tags to add to the image after creation.
ImageTags []string `mapstructure:"image_tags" required:"false"`
// Minimum disk size needed to boot image, in gigabytes.
ImageMinDisk int `mapstructure:"image_min_disk" required:"false"`
}
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/hashicorp/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"
}
// ImageVisibility values
// https://wiki.openstack.org/wiki/Glance-v2-community-image-visibility-design
if c.ImageVisibility != "" {
validVals := []imageservice.ImageVisibility{"public", "private", "shared", "community"}
valid := false
for _, val := range validVals {
if strings.EqualFold(string(c.ImageVisibility), string(val)) {
valid = true
c.ImageVisibility = val
break
}
}
if !valid {
errs = append(errs, fmt.Errorf("Unknown visibility value %s", c.ImageVisibility))
}
}
if c.ImageMinDisk < 0 {
errs = append(errs, fmt.Errorf("An image min disk size must be greater than or equal to 0"))
}
if len(errs) > 0 {
return errs
}
return nil
}
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