packer-cn/builder/openstack/step_source_image_info.go

85 lines
2.0 KiB
Go

package openstack
import (
"context"
"fmt"
"log"
"github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
"github.com/gophercloud/gophercloud/pagination"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepSourceImageInfo struct {
SourceImage string
SourceImageName string
SourceImageOpts images.ListOpts
SourceMostRecent bool
}
func (s *StepSourceImageInfo) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
ui := state.Get("ui").(packer.Ui)
if s.SourceImage != "" {
state.Put("source_image", s.SourceImage)
return multistep.ActionContinue
}
client, err := config.imageV2Client()
if s.SourceImageName != "" {
s.SourceImageOpts = images.ListOpts{
Name: s.SourceImageName,
}
}
log.Printf("Using Image Filters %v", s.SourceImageOpts)
image := &images.Image{}
err = images.List(client, s.SourceImageOpts).EachPage(func(page pagination.Page) (bool, error) {
i, err := images.ExtractImages(page)
if err != nil {
return false, err
}
switch len(i) {
case 1:
*image = i[0]
return false, nil
default:
if s.SourceMostRecent {
*image = i[0]
return false, nil
}
return false, fmt.Errorf(
"Your query returned more than one result. Please try a more specific search, or set most_recent to true. Search filters: %v",
s.SourceImageOpts)
}
})
if err != nil {
err := fmt.Errorf("Error querying image: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if image.ID == "" {
err := fmt.Errorf("No image was found matching filters: %v", s.SourceImageOpts)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Message(fmt.Sprintf("Found Image ID: %s", image.ID))
state.Put("source_image", image.ID)
return multistep.ActionContinue
}
func (s *StepSourceImageInfo) Cleanup(state multistep.StateBag) {
// No cleanup required for backout
}