builder/vmware/vmx: set the full_disk_path so compacting works

builder/vmware/vmx/step_clone_vmx.go

 package vmx
 
 import (
+	"fmt"
 	"log"
 	"path/filepath"
 
@@ -25,12 +26,25 @@ func (s *StepCloneVMX) Run(state multistep.StateBag) multistep.StepAction {
 	ui.Say("Cloning source VM...")
 	log.Printf("Cloning from: %s", s.Path)
 	log.Printf("Cloning to: %s", vmxPath)
-
 	if err := driver.Clone(vmxPath, s.Path); err != nil {
 		state.Put("error", err)
 		return multistep.ActionHalt
 	}
 
+	vmxData, err := vmwcommon.ReadVMX(vmxPath)
+	if err != nil {
+		state.Put("error", err)
+		return multistep.ActionHalt
+	}
+
+	diskName, ok := vmxData["scsi0:0.filename"]
+	if !ok {
+		err := fmt.Errorf("Root disk filename could not be found!")
+		state.Put("error", err)
+		return multistep.ActionHalt
+	}
+
+	state.Put("full_disk_path", filepath.Join(s.OutputDir, diskName))
 	state.Put("vmx_path", vmxPath)
 	return multistep.ActionContinue
 }

builder/vmware/vmx/step_clone_vmx_test.go

 package vmx
 
 import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
 	"testing"
 
 	"github.com/mitchellh/multistep"
@@ -12,10 +15,29 @@ func TestStepCloneVMX_impl(t *testing.T) {
 }
 
 func TestStepCloneVMX(t *testing.T) {
+	// Setup some state
+	td, err := ioutil.TempDir("", "packer")
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+	defer os.RemoveAll(td)
+
+	// Create the source
+	sourcePath := filepath.Join(td, "source.vmx")
+	if err := ioutil.WriteFile(sourcePath, []byte(testCloneVMX), 0644); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	// Create the dest because the mock driver won't
+	destPath := filepath.Join(td, "foo.vmx")
+	if err := ioutil.WriteFile(destPath, []byte(testCloneVMX), 0644); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
 	state := testState(t)
 	step := new(StepCloneVMX)
-	step.OutputDir = "/foo"
-	step.Path = "/bar/bar.vmx"
+	step.OutputDir = td
+	step.Path = sourcePath
 	step.VMName = "foo"
 
 	driver := state.Get("driver").(*vmwcommon.DriverMock)
@@ -28,7 +50,25 @@ func TestStepCloneVMX(t *testing.T) {
 		t.Fatal("should NOT have error")
 	}
 
+	// Test we cloned
 	if !driver.CloneCalled {
-		t.Fatal("clone should be called")
+		t.Fatal("should call clone")
+	}
+
+	// Test that we have our paths
+	if vmxPath, ok := state.GetOk("vmx_path"); !ok {
+		t.Fatal("should set vmx_path")
+	} else if vmxPath != destPath {
+		t.Fatalf("bad: %#v", vmxPath)
+	}
+
+	if diskPath, ok := state.GetOk("full_disk_path"); !ok {
+		t.Fatal("should set full_disk_path")
+	} else if diskPath != filepath.Join(td, "foo") {
+		t.Fatalf("bad: %#v", diskPath)
 	}
 }
+
+const testCloneVMX = `
+scsi0:0.fileName = "foo"
+`