github.com/rothwerx/packer@v0.9.0/builder/qemu/step_create_disk.go (about)

     1  package qemu
     2  
     3  import (
     4  	"fmt"
     5  	"path/filepath"
     6  
     7  	"github.com/mitchellh/multistep"
     8  	"github.com/mitchellh/packer/packer"
     9  )
    10  
    11  // This step creates the virtual disk that will be used as the
    12  // hard drive for the virtual machine.
    13  type stepCreateDisk struct{}
    14  
    15  func (s *stepCreateDisk) Run(state multistep.StateBag) multistep.StepAction {
    16  	config := state.Get("config").(*Config)
    17  	driver := state.Get("driver").(Driver)
    18  	ui := state.Get("ui").(packer.Ui)
    19  	name := config.VMName
    20  	path := filepath.Join(config.OutputDir, name)
    21  
    22  	command := []string{
    23  		"create",
    24  		"-f", config.Format,
    25  		path,
    26  		fmt.Sprintf("%vM", config.DiskSize),
    27  	}
    28  
    29  	if config.DiskImage == true {
    30  		return multistep.ActionContinue
    31  	}
    32  
    33  	ui.Say("Creating hard drive...")
    34  	if err := driver.QemuImg(command...); err != nil {
    35  		err := fmt.Errorf("Error creating hard drive: %s", err)
    36  		state.Put("error", err)
    37  		ui.Error(err.Error())
    38  		return multistep.ActionHalt
    39  	}
    40  
    41  	state.Put("disk_filename", name)
    42  
    43  	return multistep.ActionContinue
    44  }
    45  
    46  func (s *stepCreateDisk) Cleanup(state multistep.StateBag) {}