// buildStoragePlacementSpecClone builds StoragePlacementSpec for clone action.
func buildStoragePlacementSpecClone(c *govmomi.Client, f *object.DatacenterFolders, vm *object.VirtualMachine, rp *object.ResourcePool, storagePod object.StoragePod) types.StoragePlacementSpec {
	vmr := vm.Reference()
	vmfr := f.VmFolder.Reference()
	rpr := rp.Reference()
	spr := storagePod.Reference()

	var o mo.VirtualMachine
	err := vm.Properties(context.TODO(), vmr, []string{"datastore"}, &o)
	if err != nil {
		return types.StoragePlacementSpec{}
	}
	ds := object.NewDatastore(c.Client, o.Datastore[0])
	log.Printf("[DEBUG] findDatastore: datastore: %#v\n", ds)

	devices, err := vm.Device(context.TODO())
	if err != nil {
		return types.StoragePlacementSpec{}
	}

	var key int
	for _, d := range devices.SelectByType((*types.VirtualDisk)(nil)) {
		key = d.GetVirtualDevice().Key
		log.Printf("[DEBUG] findDatastore: virtual devices: %#v\n", d.GetVirtualDevice())
	}

	sps := types.StoragePlacementSpec{
		Type: "clone",
		Vm:   &vmr,
		PodSelectionSpec: types.StorageDrsPodSelectionSpec{
			StoragePod: &spr,
		},
		CloneSpec: &types.VirtualMachineCloneSpec{
			Location: types.VirtualMachineRelocateSpec{
				Disk: []types.VirtualMachineRelocateSpecDiskLocator{
					types.VirtualMachineRelocateSpecDiskLocator{
						Datastore:       ds.Reference(),
						DiskBackingInfo: &types.VirtualDiskFlatVer2BackingInfo{},
						DiskId:          key,
					},
				},
				Pool: &rpr,
			},
			PowerOn:  false,
			Template: false,
		},
		CloneName: "dummy",
		Folder:    &vmfr,
	}
	return sps
}
// buildStoragePlacementSpecCreate builds StoragePlacementSpec for create action.
func buildStoragePlacementSpecCreate(f *object.DatacenterFolders, rp *object.ResourcePool, storagePod object.StoragePod, configSpec types.VirtualMachineConfigSpec) types.StoragePlacementSpec {
	vmfr := f.VmFolder.Reference()
	rpr := rp.Reference()
	spr := storagePod.Reference()

	sps := types.StoragePlacementSpec{
		Type:       "create",
		ConfigSpec: &configSpec,
		PodSelectionSpec: types.StorageDrsPodSelectionSpec{
			StoragePod: &spr,
		},
		Folder:       &vmfr,
		ResourcePool: &rpr,
	}
	log.Printf("[DEBUG] findDatastore: StoragePlacementSpec: %#v\n", sps)
	return sps
}