package qemu import ( "fmt" "path/filepath" "github.com/mitchellh/multistep" "github.com/mitchellh/packer/packer" ) // This step creates the virtual disk that will be used as the // hard drive for the virtual machine. type stepCreateDisk struct{} func (s *stepCreateDisk) Run(state multistep.StateBag) multistep.StepAction { config := state.Get("config").(*Config) driver := state.Get("driver").(Driver) ui := state.Get("ui").(packer.Ui) name := config.VMName path := filepath.Join(config.OutputDir, name) command := []string{ "create", "-f", config.Format, path, fmt.Sprintf("%vM", config.DiskSize), } if config.DiskImage == true { return multistep.ActionContinue } ui.Say("Creating hard drive...") if err := driver.QemuImg(command...); err != nil { err := fmt.Errorf("Error creating hard drive: %s", err) state.Put("error", err) ui.Error(err.Error()) return multistep.ActionHalt } state.Put("disk_filename", name) return multistep.ActionContinue } func (s *stepCreateDisk) Cleanup(state multistep.StateBag) {}