package common import ( "bytes" "context" "fmt" "log" "github.com/hashicorp/packer/helper/multistep" "github.com/hashicorp/packer/packer" ) // This step uploads a file containing the VirtualBox version, which // can be useful for various provisioning reasons. type StepUploadVersion struct { Path string } func (s *StepUploadVersion) Run(_ context.Context, state multistep.StateBag) multistep.StepAction { comm := state.Get("communicator").(packer.Communicator) driver := state.Get("driver").(Driver) ui := state.Get("ui").(packer.Ui) if s.Path == "" { log.Println("VBoxVersionFile is empty. Not uploading.") return multistep.ActionContinue } version, err := driver.Version() if err != nil { state.Put("error", fmt.Errorf("Error reading version for metadata upload: %s", err)) return multistep.ActionHalt } ui.Say(fmt.Sprintf("Uploading VirtualBox version info (%s)", version)) var data bytes.Buffer data.WriteString(version) if err := comm.Upload(s.Path, &data, nil); err != nil { state.Put("error", fmt.Errorf("Error uploading VirtualBox version: %s", err)) return multistep.ActionHalt } return multistep.ActionContinue } func (s *StepUploadVersion) Cleanup(state multistep.StateBag) {}