82 lines
3.0 KiB
Go
82 lines
3.0 KiB
Go
//go:generate struct-markdown
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package openstack
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import (
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"fmt"
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"strings"
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imageservice "github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
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"github.com/hashicorp/packer/template/interpolate"
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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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// The name of the resulting image.
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ImageName string `mapstructure:"image_name" required:"true"`
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// Glance metadata that will be applied to the image.
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ImageMetadata map[string]string `mapstructure:"metadata" required:"false"`
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// One of "public", "private", "shared", or "community".
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ImageVisibility imageservice.ImageVisibility `mapstructure:"image_visibility" required:"false"`
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// List of members to add to the image after creation. An image member is
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// usually a project (also called the "tenant") with whom the image is
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// shared.
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ImageMembers []string `mapstructure:"image_members" required:"false"`
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// When true, perform the image accept so the members can see the image in their
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// project. This requires a user with priveleges both in the build project and
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// in the members provided. Defaults to false.
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ImageAutoAcceptMembers bool `mapstructure:"image_auto_accept_members" required:"false"`
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// Disk format of the resulting image. This option works if
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// use_blockstorage_volume is true.
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ImageDiskFormat string `mapstructure:"image_disk_format" required:"false"`
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// List of tags to add to the image after creation.
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ImageTags []string `mapstructure:"image_tags" required:"false"`
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// Minimum disk size needed to boot image, in gigabytes.
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ImageMinDisk int `mapstructure:"image_min_disk" required:"false"`
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}
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func (c *ImageConfig) Prepare(ctx *interpolate.Context) []error {
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errs := make([]error, 0)
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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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// By default, OpenStack seems to create the image with an image_type of
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// "snapshot", since it came from snapshotting a VM. A "snapshot" looks
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// slightly different in the OpenStack UI and OpenStack won't show
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// "snapshot" images as a choice in the list of images to boot from for a
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// new instance. See https://github.com/hashicorp/packer/issues/3038
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if c.ImageMetadata == nil {
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c.ImageMetadata = map[string]string{"image_type": "image"}
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} else if c.ImageMetadata["image_type"] == "" {
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c.ImageMetadata["image_type"] = "image"
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}
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// ImageVisibility values
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// https://wiki.openstack.org/wiki/Glance-v2-community-image-visibility-design
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if c.ImageVisibility != "" {
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validVals := []imageservice.ImageVisibility{"public", "private", "shared", "community"}
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valid := false
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for _, val := range validVals {
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if strings.EqualFold(string(c.ImageVisibility), string(val)) {
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valid = true
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c.ImageVisibility = val
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break
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}
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}
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if !valid {
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errs = append(errs, fmt.Errorf("Unknown visibility value %s", c.ImageVisibility))
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}
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}
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if c.ImageMinDisk < 0 {
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errs = append(errs, fmt.Errorf("An image min disk size must be greater than or equal to 0"))
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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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