builder/virtualbox: remove devices in separate step

builder/virtualbox/builder.go

@@ -419,6 +419,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		new(stepUploadGuestAdditions),
 		new(common.StepProvision),
 		new(stepShutdown),
+		new(stepRemoveDevices),
 		new(stepExport),
 	}
 

builder/virtualbox/step_export.go

@@ -29,7 +29,9 @@ func (s *stepExport) Run(state multistep.StateBag) multistep.StepAction {
 
 	// Clear out the Packer-created forwarding rule
 	ui.Say("Preparing to export machine...")
-	ui.Message(fmt.Sprintf("Deleting forwarded port mapping for SSH (host port %d)", state.Get("sshHostPort")))
+	ui.Message(fmt.Sprintf(
+		"Deleting forwarded port mapping for SSH (host port %d)",
+		state.Get("sshHostPort")))
 	command := []string{"modifyvm", vmName, "--natpf1", "delete", "packerssh"}
 	if err := driver.VBoxManage(command...); err != nil {
 		err := fmt.Errorf("Error deleting port forwarding rule: %s", err)
@@ -38,23 +40,6 @@ func (s *stepExport) Run(state multistep.StateBag) multistep.StepAction {
 		return multistep.ActionHalt
 	}
 
-	// Remove the attached floppy disk, if it exists
-	if _, ok := state.GetOk("floppy_path"); ok {
-		ui.Message("Removing floppy drive...")
-		command := []string{
-			"storageattach", vmName,
-			"--storagectl", "Floppy Controller",
-			"--port", "0",
-			"--device", "0",
-			"--medium", "none",
-		}
-		if err := driver.VBoxManage(command...); err != nil {
-			state.Put("error", fmt.Errorf("Error removing floppy: %s", err))
-			return multistep.ActionHalt
-		}
-
-	}
-
 	// Export the VM to an OVF
 	outputPath := filepath.Join(config.OutputDir, vmName+"."+config.Format)
 

builder/virtualbox/step_remove_devices.go

@@ -0,0 +1,59 @@
+package virtualbox
+
+import (
+	"fmt"
+	"github.com/mitchellh/multistep"
+	"github.com/mitchellh/packer/packer"
+)
+
+// This step removes any devices (floppy disks, ISOs, etc.) from the
+// machine that we may have added.
+//
+// Uses:
+//
+// Produces:
+type stepRemoveDevices struct{}
+
+func (s *stepRemoveDevices) Run(state multistep.StateBag) multistep.StepAction {
+	driver := state.Get("driver").(Driver)
+	ui := state.Get("ui").(packer.Ui)
+	vmName := state.Get("vmName").(string)
+
+	// Remove the attached floppy disk, if it exists
+	if _, ok := state.GetOk("floppy_path"); ok {
+		ui.Message("Removing floppy drive...")
+		command := []string{
+			"storageattach", vmName,
+			"--storagectl", "Floppy Controller",
+			"--port", "0",
+			"--device", "0",
+			"--medium", "none",
+		}
+		if err := driver.VBoxManage(command...); err != nil {
+			err := fmt.Errorf("Error removing floppy: %s", err)
+			state.Put("error", err)
+			ui.Error(err.Error())
+			return multistep.ActionHalt
+		}
+	}
+
+	command := []string{
+		"storageattach", vmName,
+		"--storagectl", "IDE Controller",
+		"--port", "0",
+		"--device", "1",
+		"--medium", "none",
+	}
+
+	if err := driver.VBoxManage(command...); err != nil {
+		err := fmt.Errorf("Error detaching ISO: %s", err)
+		state.Put("error", err)
+		ui.Error(err.Error())
+		return multistep.ActionHalt
+	}
+
+	return multistep.ActionContinue
+}
+
+func (s *stepRemoveDevices) Cleanup(state multistep.StateBag) {
+}