Merge pull request #3954 from emo3/f-keepreq-vb

added functionality like vm

builder/virtualbox/iso/builder.go

@@ -39,6 +39,7 @@ type Config struct {
 
 	BootCommand          []string `mapstructure:"boot_command"`
 	DiskSize             uint     `mapstructure:"disk_size"`
+	KeepRegistered       bool     `mapstructure:"keep_registered"`
 	GuestAdditionsMode   string   `mapstructure:"guest_additions_mode"`
 	GuestAdditionsPath   string   `mapstructure:"guest_additions_path"`
 	GuestAdditionsURL    string   `mapstructure:"guest_additions_url"`

builder/virtualbox/iso/step_create_vm.go

@@ -64,6 +64,14 @@ func (s *stepCreateVM) Cleanup(state multistep.StateBag) {
 
 	driver := state.Get("driver").(vboxcommon.Driver)
 	ui := state.Get("ui").(packer.Ui)
+	config := state.Get("config").(*Config)
+
+	_, cancelled := state.GetOk(multistep.StateCancelled)
+	_, halted := state.GetOk(multistep.StateHalted)
+	if (config.KeepRegistered) && (!cancelled && !halted) {
+		ui.Say("Keeping virtual machine registered with VirtualBox host (keep_registered = true)")
+		return
+	}
 
 	ui.Say("Unregistering and deleting virtual machine...")
 	var err error = nil