github.com/mitchellh/packer@v1.3.2/builder/virtualbox/common/step_upload_version.go (about)

     1  package common
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"fmt"
     7  	"log"
     8  
     9  	"github.com/hashicorp/packer/helper/multistep"
    10  	"github.com/hashicorp/packer/packer"
    11  )
    12  
    13  // This step uploads a file containing the VirtualBox version, which
    14  // can be useful for various provisioning reasons.
    15  type StepUploadVersion struct {
    16  	Path string
    17  }
    18  
    19  func (s *StepUploadVersion) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
    20  	comm := state.Get("communicator").(packer.Communicator)
    21  	driver := state.Get("driver").(Driver)
    22  	ui := state.Get("ui").(packer.Ui)
    23  
    24  	if s.Path == "" {
    25  		log.Println("VBoxVersionFile is empty. Not uploading.")
    26  		return multistep.ActionContinue
    27  	}
    28  
    29  	version, err := driver.Version()
    30  	if err != nil {
    31  		state.Put("error", fmt.Errorf("Error reading version for metadata upload: %s", err))
    32  		return multistep.ActionHalt
    33  	}
    34  
    35  	ui.Say(fmt.Sprintf("Uploading VirtualBox version info (%s)", version))
    36  	var data bytes.Buffer
    37  	data.WriteString(version)
    38  	if err := comm.Upload(s.Path, &data, nil); err != nil {
    39  		state.Put("error", fmt.Errorf("Error uploading VirtualBox version: %s", err))
    40  		return multistep.ActionHalt
    41  	}
    42  
    43  	return multistep.ActionContinue
    44  }
    45  
    46  func (s *StepUploadVersion) Cleanup(state multistep.StateBag) {}