packer-cn/builder/openstack/step_create_image.go

69 lines
1.7 KiB
Go

package openstack
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"github.com/rackspace/gophercloud"
"log"
"time"
)
type stepCreateImage struct{}
func (s *stepCreateImage) Run(state map[string]interface{}) multistep.StepAction {
csp := state["csp"].(gophercloud.CloudServersProvider)
config := state["config"].(config)
server := state["server"].(*gophercloud.Server)
ui := state["ui"].(packer.Ui)
// Create the image
ui.Say(fmt.Sprintf("Creating the image: %s", config.ImageName))
createOpts := gophercloud.CreateImage{
Name: config.ImageName,
}
imageId, err := csp.CreateImage(server.Id, createOpts)
if err != nil {
err := fmt.Errorf("Error creating image: %s", err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
// Set the Image ID in the state
ui.Say(fmt.Sprintf("Image: %s", imageId))
state["image"] = imageId
// Wait for the image to become ready
ui.Say("Waiting for image to become ready...")
if err := WaitForImage(csp, imageId); err != nil {
err := fmt.Errorf("Error waiting for image: %s", err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepCreateImage) Cleanup(map[string]interface{}) {
// No cleanup...
}
// WaitForImage waits for the given Image ID to become ready.
func WaitForImage(csp gophercloud.CloudServersProvider, imageId string) error {
for {
image, err := csp.ImageById(imageId)
if err != nil {
return err
}
if image.Status == "ACTIVE" {
return nil
}
log.Printf("Waiting for image creation status: %s (%d%%)", image.Status, image.Progress)
time.Sleep(2 * time.Second)
}
}