github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/builder/hyperv/common/step_export_vm.go (about)

     1  package common
     2  
     3  import (
     4  	"fmt"
     5  	"github.com/mitchellh/multistep"
     6  	"github.com/mitchellh/packer/packer"
     7  	"io/ioutil"
     8  	"path/filepath"
     9  )
    10  
    11  const (
    12  	vhdDir string = "Virtual Hard Disks"
    13  	vmDir  string = "Virtual Machines"
    14  )
    15  
    16  type StepExportVm struct {
    17  	OutputDir      string
    18  	SkipCompaction bool
    19  }
    20  
    21  func (s *StepExportVm) Run(state multistep.StateBag) multistep.StepAction {
    22  	driver := state.Get("driver").(Driver)
    23  	ui := state.Get("ui").(packer.Ui)
    24  
    25  	var err error
    26  	var errorMsg string
    27  
    28  	vmName := state.Get("vmName").(string)
    29  	tmpPath := state.Get("packerTempDir").(string)
    30  	outputPath := s.OutputDir
    31  
    32  	// create temp path to export vm
    33  	errorMsg = "Error creating temp export path: %s"
    34  	vmExportPath, err := ioutil.TempDir(tmpPath, "export")
    35  	if err != nil {
    36  		err := fmt.Errorf(errorMsg, err)
    37  		state.Put("error", err)
    38  		ui.Error(err.Error())
    39  		return multistep.ActionHalt
    40  	}
    41  
    42  	ui.Say("Exporting vm...")
    43  
    44  	err = driver.ExportVirtualMachine(vmName, vmExportPath)
    45  	if err != nil {
    46  		errorMsg = "Error exporting vm: %s"
    47  		err := fmt.Errorf(errorMsg, err)
    48  		state.Put("error", err)
    49  		ui.Error(err.Error())
    50  		return multistep.ActionHalt
    51  	}
    52  
    53  	// copy to output dir
    54  	expPath := filepath.Join(vmExportPath, vmName)
    55  
    56  	if s.SkipCompaction {
    57  		ui.Say("Skipping disk compaction...")
    58  	} else {
    59  		ui.Say("Compacting disks...")
    60  		err = driver.CompactDisks(expPath, vhdDir)
    61  		if err != nil {
    62  			errorMsg = "Error compacting disks: %s"
    63  			err := fmt.Errorf(errorMsg, err)
    64  			state.Put("error", err)
    65  			ui.Error(err.Error())
    66  			return multistep.ActionHalt
    67  		}
    68  	}
    69  
    70  	ui.Say("Coping to output dir...")
    71  	err = driver.CopyExportedVirtualMachine(expPath, outputPath, vhdDir, vmDir)
    72  	if err != nil {
    73  		errorMsg = "Error exporting vm: %s"
    74  		err := fmt.Errorf(errorMsg, err)
    75  		state.Put("error", err)
    76  		ui.Error(err.Error())
    77  		return multistep.ActionHalt
    78  	}
    79  
    80  	return multistep.ActionContinue
    81  }
    82  
    83  func (s *StepExportVm) Cleanup(state multistep.StateBag) {
    84  	// do nothing
    85  }