github.com/rothwerx/packer@v0.9.0/builder/parallels/common/step_attach_floppy.go (about)

     1  package common
     2  
     3  import (
     4  	"fmt"
     5  	"github.com/mitchellh/multistep"
     6  	"github.com/mitchellh/packer/packer"
     7  	"log"
     8  )
     9  
    10  // This step attaches a floppy to the virtual machine.
    11  //
    12  // Uses:
    13  //   driver Driver
    14  //   ui packer.Ui
    15  //   vmName string
    16  //
    17  // Produces:
    18  type StepAttachFloppy struct {
    19  	floppyPath string
    20  }
    21  
    22  func (s *StepAttachFloppy) Run(state multistep.StateBag) multistep.StepAction {
    23  	// Determine if we even have a floppy disk to attach
    24  	var floppyPath string
    25  	if floppyPathRaw, ok := state.GetOk("floppy_path"); ok {
    26  		floppyPath = floppyPathRaw.(string)
    27  	} else {
    28  		log.Println("No floppy disk, not attaching.")
    29  		return multistep.ActionContinue
    30  	}
    31  
    32  	driver := state.Get("driver").(Driver)
    33  	ui := state.Get("ui").(packer.Ui)
    34  	vmName := state.Get("vmName").(string)
    35  
    36  	ui.Say("Deleting any current floppy disk...")
    37  	// Delete the floppy disk controller
    38  	del_command := []string{
    39  		"set", vmName,
    40  		"--device-del", "fdd0",
    41  	}
    42  	// This will almost certainly fail with 'The fdd0 device does not exist.'
    43  	driver.Prlctl(del_command...)
    44  
    45  	ui.Say("Attaching floppy disk...")
    46  	// Attaching the floppy disk
    47  	add_command := []string{
    48  		"set", vmName,
    49  		"--device-add", "fdd",
    50  		"--image", floppyPath,
    51  		"--connect",
    52  	}
    53  	if err := driver.Prlctl(add_command...); err != nil {
    54  		state.Put("error", fmt.Errorf("Error adding floppy: %s", err))
    55  		return multistep.ActionHalt
    56  	}
    57  
    58  	// Track the path so that we can unregister it from Parallels later
    59  	s.floppyPath = floppyPath
    60  
    61  	return multistep.ActionContinue
    62  }
    63  
    64  func (s *StepAttachFloppy) Cleanup(state multistep.StateBag) {
    65  	driver := state.Get("driver").(Driver)
    66  	vmName := state.Get("vmName").(string)
    67  
    68  	if s.floppyPath == "" {
    69  		return
    70  	}
    71  
    72  	log.Println("Detaching floppy disk...")
    73  	command := []string{
    74  		"set", vmName,
    75  		"--device-del", "fdd0",
    76  	}
    77  	driver.Prlctl(command...)
    78  }