package qemu import ( "context" "fmt" "log" "path/filepath" "github.com/hashicorp/packer/helper/multistep" "github.com/hashicorp/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(ctx context.Context, state multistep.StateBag) multistep.StepAction { config := state.Get("config").(*Config) driver := state.Get("driver").(Driver) ui := state.Get("ui").(packer.Ui) name := config.VMName if config.DiskImage && !config.UseBackingFile { return multistep.ActionContinue } var diskFullPaths, diskSizes []string ui.Say("Creating required virtual machine disks") // The 'main' or 'default' disk diskFullPaths = append(diskFullPaths, filepath.Join(config.OutputDir, name)) diskSizes = append(diskSizes, config.DiskSize) // Additional disks if len(config.AdditionalDiskSize) > 0 { for i, diskSize := range config.AdditionalDiskSize { path := filepath.Join(config.OutputDir, fmt.Sprintf("%s-%d", name, i+1)) diskFullPaths = append(diskFullPaths, path) size := diskSize diskSizes = append(diskSizes, size) } } // Create all required disks for i, diskFullPath := range diskFullPaths { log.Printf("[INFO] Creating disk with Path: %s and Size: %s", diskFullPath, diskSizes[i]) command := []string{ "create", "-f", config.Format, } if config.UseBackingFile && i == 0 { isoPath := state.Get("iso_path").(string) command = append(command, "-b", isoPath) } command = append(command, diskFullPath, diskSizes[i]) 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 } } // Stash the disk paths so we can retrieve later state.Put("qemu_disk_paths", diskFullPaths) return multistep.ActionContinue } func (s *stepCreateDisk) Cleanup(state multistep.StateBag) {}