github.com/kaixiang/packer@v0.5.2-0.20140114230416-1f5786b0d7f1/builder/googlecompute/step_register_image.go (about)

     1  package googlecompute
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"time"
     7  
     8  	"github.com/mitchellh/multistep"
     9  	"github.com/mitchellh/packer/packer"
    10  )
    11  
    12  // StepRegisterImage represents a Packer build step that registers GCE machine images.
    13  type StepRegisterImage int
    14  
    15  // Run executes the Packer build step that registers a GCE machine image.
    16  func (s *StepRegisterImage) Run(state multistep.StateBag) multistep.StepAction {
    17  	config := state.Get("config").(*Config)
    18  	driver := state.Get("driver").(Driver)
    19  	ui := state.Get("ui").(packer.Ui)
    20  
    21  	var err error
    22  	imageURL := fmt.Sprintf(
    23  		"https://storage.cloud.google.com/%s/%s.tar.gz",
    24  		config.BucketName, config.ImageName)
    25  
    26  	ui.Say("Registering image...")
    27  	errCh := driver.CreateImage(config.ImageName, config.ImageDescription, imageURL)
    28  	select {
    29  	case err = <-errCh:
    30  	case <-time.After(config.stateTimeout):
    31  		err = errors.New("time out while waiting for image to register")
    32  	}
    33  
    34  	if err != nil {
    35  		err := fmt.Errorf("Error waiting for image: %s", err)
    36  		state.Put("error", err)
    37  		ui.Error(err.Error())
    38  		return multistep.ActionHalt
    39  	}
    40  
    41  	state.Put("image_name", config.ImageName)
    42  	return multistep.ActionContinue
    43  }
    44  
    45  // Cleanup.
    46  func (s *StepRegisterImage) Cleanup(state multistep.StateBag) {}