packer-cn/builder/googlecompute/step_create_image.go

63 lines
1.6 KiB
Go

package googlecompute
import (
"errors"
"fmt"
"time"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
// StepCreateImage represents a Packer build step that creates GCE machine
// images.
type StepCreateImage int
// Run executes the Packer build step that creates a GCE machine image.
//
// The image is created from the persistent disk used by the instance. The
// instance must be deleted and the disk retained before doing this step.
func (s *StepCreateImage) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
if config.PackerForce && config.imageAlreadyExists {
ui.Say("Deleting previous image...")
errCh := driver.DeleteImage(config.ImageName)
err := <-errCh
if err != nil {
err := fmt.Errorf("Error deleting image: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
ui.Say("Creating image...")
imageCh, errCh := driver.CreateImage(
config.ImageName, config.ImageDescription, config.ImageFamily, config.Zone,
config.DiskName)
var err error
select {
case err = <-errCh:
case <-time.After(config.stateTimeout):
err = errors.New("time out while waiting for image to register")
}
if err != nil {
err := fmt.Errorf("Error waiting for image: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
state.Put("image", <-imageCh)
return multistep.ActionContinue
}
// Cleanup.
func (s *StepCreateImage) Cleanup(state multistep.StateBag) {}