Add ability to run vboxmanage commands just before exporting [GH-664]

builder/virtualbox/common/vboxmanage_post_config.go

+package common
+
+import (
+	"fmt"
+	"github.com/mitchellh/packer/packer"
+)
+
+type VBoxManagePostConfig struct {
+	VBoxManagePost [][]string `mapstructure:"vboxmanage_post"`
+}
+
+func (c *VBoxManagePostConfig) Prepare(t *packer.ConfigTemplate) []error {
+	if c.VBoxManagePost == nil {
+		c.VBoxManagePost = make([][]string, 0)
+	}
+
+	errs := make([]error, 0)
+	for i, args := range c.VBoxManagePost {
+		for j, arg := range args {
+			if err := t.Validate(arg); err != nil {
+				errs = append(errs,
+					fmt.Errorf("Error processing vboxmanage_post[%d][%d]: %s", i, j, err))
+			}
+		}
+	}
+
+	return errs
+}

builder/virtualbox/common/vboxmanage_post_config_test.go

+package common
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestVBoxManagePostConfigPrepare_VBoxManage(t *testing.T) {
+	// Test with empty
+	c := new(VBoxManagePostConfig)
+	errs := c.Prepare(testConfigTemplate(t))
+	if len(errs) > 0 {
+		t.Fatalf("err: %#v", errs)
+	}
+
+	if !reflect.DeepEqual(c.VBoxManagePost, [][]string{}) {
+		t.Fatalf("bad: %#v", c.VBoxManagePost)
+	}
+
+	// Test with a good one
+	c = new(VBoxManagePostConfig)
+	c.VBoxManagePost = [][]string{
+		{"foo", "bar", "baz"},
+	}
+	errs = c.Prepare(testConfigTemplate(t))
+	if len(errs) > 0 {
+		t.Fatalf("err: %#v", errs)
+	}
+
+	expected := [][]string{
+		[]string{"foo", "bar", "baz"},
+	}
+
+	if !reflect.DeepEqual(c.VBoxManagePost, expected) {
+		t.Fatalf("bad: %#v", c.VBoxManagePost)
+	}
+}

builder/virtualbox/iso/builder.go

@@ -27,16 +27,17 @@ type Builder struct {
 }
 
 type config struct {
-	common.PackerConfig          `mapstructure:",squash"`
-	vboxcommon.ExportConfig      `mapstructure:",squash"`
-	vboxcommon.ExportOpts        `mapstructure:",squash"`
-	vboxcommon.FloppyConfig      `mapstructure:",squash"`
-	vboxcommon.OutputConfig      `mapstructure:",squash"`
-	vboxcommon.RunConfig         `mapstructure:",squash"`
-	vboxcommon.ShutdownConfig    `mapstructure:",squash"`
-	vboxcommon.SSHConfig         `mapstructure:",squash"`
-	vboxcommon.VBoxManageConfig  `mapstructure:",squash"`
-	vboxcommon.VBoxVersionConfig `mapstructure:",squash"`
+	common.PackerConfig             `mapstructure:",squash"`
+	vboxcommon.ExportConfig         `mapstructure:",squash"`
+	vboxcommon.ExportOpts           `mapstructure:",squash"`
+	vboxcommon.FloppyConfig         `mapstructure:",squash"`
+	vboxcommon.OutputConfig         `mapstructure:",squash"`
+	vboxcommon.RunConfig            `mapstructure:",squash"`
+	vboxcommon.ShutdownConfig       `mapstructure:",squash"`
+	vboxcommon.SSHConfig            `mapstructure:",squash"`
+	vboxcommon.VBoxManageConfig     `mapstructure:",squash"`
+	vboxcommon.VBoxManagePostConfig `mapstructure:",squash"`
+	vboxcommon.VBoxVersionConfig    `mapstructure:",squash"`
 
 	BootCommand          []string `mapstructure:"boot_command"`
 	DiskSize             uint     `mapstructure:"disk_size"`
@@ -82,6 +83,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 	errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.VBoxManageConfig.Prepare(b.config.tpl)...)
+	errs = packer.MultiErrorAppend(errs, b.config.VBoxManagePostConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.VBoxVersionConfig.Prepare(b.config.tpl)...)
 	warnings := make([]string, 0)
 
@@ -318,6 +320,10 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			Timeout: b.config.ShutdownTimeout,
 		},
 		new(vboxcommon.StepRemoveDevices),
+		&vboxcommon.StepVBoxManage{
+			Commands: b.config.VBoxManagePost,
+			Tpl:      b.config.tpl,
+		},
 		&vboxcommon.StepExport{
 			Format:     b.config.Format,
 			OutputDir:  b.config.OutputDir,

builder/virtualbox/ovf/builder.go

@@ -94,6 +94,10 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			Timeout: b.config.ShutdownTimeout,
 		},
 		new(vboxcommon.StepRemoveDevices),
+		&vboxcommon.StepVBoxManage{
+			Commands: b.config.VBoxManagePost,
+			Tpl:      b.config.tpl,
+		},
 		&vboxcommon.StepExport{
 			Format:     b.config.Format,
 			OutputDir:  b.config.OutputDir,

builder/virtualbox/ovf/config.go

@@ -11,16 +11,17 @@ import (
 
 // Config is the configuration structure for the builder.
 type Config struct {
-	common.PackerConfig          `mapstructure:",squash"`
-	vboxcommon.ExportConfig      `mapstructure:",squash"`
-	vboxcommon.ExportOpts        `mapstructure:",squash"`
-	vboxcommon.FloppyConfig      `mapstructure:",squash"`
-	vboxcommon.OutputConfig      `mapstructure:",squash"`
-	vboxcommon.RunConfig         `mapstructure:",squash"`
-	vboxcommon.SSHConfig         `mapstructure:",squash"`
-	vboxcommon.ShutdownConfig    `mapstructure:",squash"`
-	vboxcommon.VBoxManageConfig  `mapstructure:",squash"`
-	vboxcommon.VBoxVersionConfig `mapstructure:",squash"`
+	common.PackerConfig             `mapstructure:",squash"`
+	vboxcommon.ExportConfig         `mapstructure:",squash"`
+	vboxcommon.ExportOpts           `mapstructure:",squash"`
+	vboxcommon.FloppyConfig         `mapstructure:",squash"`
+	vboxcommon.OutputConfig         `mapstructure:",squash"`
+	vboxcommon.RunConfig            `mapstructure:",squash"`
+	vboxcommon.SSHConfig            `mapstructure:",squash"`
+	vboxcommon.ShutdownConfig       `mapstructure:",squash"`
+	vboxcommon.VBoxManageConfig     `mapstructure:",squash"`
+	vboxcommon.VBoxManagePostConfig `mapstructure:",squash"`
+	vboxcommon.VBoxVersionConfig    `mapstructure:",squash"`
 
 	SourcePath string `mapstructure:"source_path"`
 	VMName     string `mapstructure:"vm_name"`
@@ -57,6 +58,7 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 	errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(c.tpl)...)
 	errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(c.tpl)...)
 	errs = packer.MultiErrorAppend(errs, c.VBoxManageConfig.Prepare(c.tpl)...)
+	errs = packer.MultiErrorAppend(errs, c.VBoxManagePostConfig.Prepare(c.tpl)...)
 	errs = packer.MultiErrorAppend(errs, c.VBoxVersionConfig.Prepare(c.tpl)...)
 
 	templates := map[string]*string{

website/source/docs/builders/virtualbox-iso.html.markdown

@@ -201,6 +201,10 @@ Optional:
   where the `Name` variable is replaced with the VM name. More details on how
   to use `VBoxManage` are below.
 
+* `vboxmanage_post` (array of array of strings) - Identical to `vboxmanage`,
+  except that it is run after the virtual machine is shutdown, and before the
+  virtual machine is exported.
+
 * `virtualbox_version_file` (string) - The path within the virtual machine
   to upload a file that contains the VirtualBox version that was used to
   create the machine. This information can be useful for provisioning.

website/source/docs/builders/virtualbox-ovf.html.markdown

@@ -136,6 +136,10 @@ Optional:
   where the `Name` variable is replaced with the VM name. More details on how
   to use `VBoxManage` are below.
 
+* `vboxmanage_post` (array of array of strings) - Identical to `vboxmanage`,
+  except that it is run after the virtual machine is shutdown, and before the
+  virtual machine is exported.
+
 * `virtualbox_version_file` (string) - The path within the virtual machine
   to upload a file that contains the VirtualBox version that was used to
   create the machine. This information can be useful for provisioning.