Add a computed FullDiskPath config option.

builder/vmware/builder.go

@@ -52,6 +52,7 @@ type config struct {
 
 	PackerBuildName string `mapstructure:"packer_build_name"`
 	PackerDebug     bool   `mapstructure:"packer_debug"`
+	FullDiskPath    string ``
 
 	RawBootWait        string `mapstructure:"boot_wait"`
 	RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
@@ -114,6 +115,9 @@ func (b *Builder) Prepare(raws ...interface{}) error {
 		b.config.ToolsUploadPath = "{{ .Flavor }}.iso"
 	}
 
+	// Store the full path to the disk file.
+	b.config.FullDiskPath = filepath.Join(b.config.OutputDir, b.config.DiskName+".vmdk")
+
 	// Accumulate any errors
 	var err error
 	errs := make([]error, 0)

builder/vmware/step_create_disk.go

@@ -24,8 +24,7 @@ func (stepCreateDisk) Run(state map[string]interface{}) multistep.StepAction {
 	ui := state["ui"].(packer.Ui)
 
 	ui.Say("Creating virtual machine disk")
-	output := filepath.Join(config.OutputDir, config.DiskName+".vmdk")
+	if err := driver.CreateDisk(config.FullDiskPath, fmt.Sprintf("%dM", config.DiskSize)); err != nil {
-	if err := driver.CreateDisk(output, fmt.Sprintf("%dM", config.DiskSize)); err != nil {
 		err := fmt.Errorf("Error creating disk: %s", err)
 		state["error"] = err
 		ui.Error(err.Error())