github.com/rothwerx/packer@v0.9.0/builder/qemu/step_resize_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 resizes the virtual disk that will be used as the
    12  // hard drive for the virtual machine.
    13  type stepResizeDisk struct{}
    14  
    15  func (s *stepResizeDisk) 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  	path := filepath.Join(config.OutputDir, config.VMName)
    20  
    21  	command := []string{
    22  		"resize",
    23  		path,
    24  		fmt.Sprintf("%vM", config.DiskSize),
    25  	}
    26  
    27  	if config.DiskImage == false {
    28  		return multistep.ActionContinue
    29  	}
    30  
    31  	ui.Say("Resizing hard drive...")
    32  	if err := driver.QemuImg(command...); err != nil {
    33  		err := fmt.Errorf("Error creating hard drive: %s", err)
    34  		state.Put("error", err)
    35  		ui.Error(err.Error())
    36  		return multistep.ActionHalt
    37  	}
    38  
    39  	return multistep.ActionContinue
    40  }
    41  
    42  func (s *stepResizeDisk) Cleanup(state multistep.StateBag) {}