Add flag --virtualbox-nictype to set nictype1

Signed-off-by: Stefan Scherer <scherer_stefan@icloud.com>

drivers/virtualbox/virtualbox.go

@@ -53,6 +53,7 @@ type Driver struct {
 	CPU                 int
 	Memory              int
 	DiskSize            int
+	NatNicType          string
 	Boot2DockerURL      string
 	Boot2DockerImportVM string
 	HostDNSResolver     bool
@@ -78,6 +79,7 @@ func NewDriver(hostName, storePath string) *Driver {
 		Memory:              defaultMemory,
 		CPU:                 defaultCPU,
 		DiskSize:            defaultDiskSize,
+		NatNicType:          defaultHostOnlyNictype,
 		HostOnlyCIDR:        defaultHostOnlyCIDR,
 		HostOnlyNicType:     defaultHostOnlyNictype,
 		HostOnlyPromiscMode: defaultHostOnlyPromiscMode,
@@ -129,6 +131,12 @@ func (d *Driver) GetCreateFlags() []mcnflag.Flag {
 			Usage:  "Use the host DNS resolver",
 			EnvVar: "VIRTUALBOX_HOST_DNS_RESOLVER",
 		},
+		mcnflag.StringFlag{
+			Name:   "virtualbox-nat-nictype",
+			Usage:  "Specify the Network Adapter Type",
+			Value:  defaultHostOnlyNictype,
+			EnvVar: "VIRTUALBOX_NAT_NICTYPE",
+		},
 		mcnflag.StringFlag{
 			Name:   "virtualbox-hostonly-cidr",
 			Usage:  "Specify the Host Only CIDR",
@@ -205,6 +213,7 @@ func (d *Driver) SetConfigFromFlags(flags drivers.DriverOptions) error {
 	d.SSHUser = "docker"
 	d.Boot2DockerImportVM = flags.String("virtualbox-import-boot2docker-vm")
 	d.HostDNSResolver = flags.Bool("virtualbox-host-dns-resolver")
+	d.NatNicType = flags.String("virtualbox-nat-nictype")
 	d.HostOnlyCIDR = flags.String("virtualbox-hostonly-cidr")
 	d.HostOnlyNicType = flags.String("virtualbox-hostonly-nictype")
 	d.HostOnlyPromiscMode = flags.String("virtualbox-hostonly-nicpromisc")
@@ -377,7 +386,7 @@ func (d *Driver) CreateVM() error {
 
 	if err := d.vbm("modifyvm", d.MachineName,
 		"--nic1", "nat",
-		"--nictype1", "82540EM",
+		"--nictype1", d.NatNicType,
 		"--cableconnected1", "on"); err != nil {
 		return err
 	}

drivers/virtualbox/virtualbox_test.go

@@ -391,6 +391,37 @@ func TestCreateVM(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+func TestCreateVMWithSpecificNatNicType(t *testing.T) {
+	shareName, shareDir := getShareDriveAndName()
+
+	modifyVMcommand := "vbm modifyvm default --firmware bios --bioslogofadein off --bioslogofadeout off --bioslogodisplaytime 0 --biosbootmenu disabled --ostype Linux26_64 --cpus 1 --memory 1024 --acpi on --ioapic on --rtcuseutc on --natdnshostresolver1 off --natdnsproxy1 on --cpuhotplug off --pae on --hpet on --hwvirtex on --nestedpaging on --largepages on --vtxvpid on --accelerate3d off --boot1 dvd"
+	if runtime.GOOS == "windows" && runtime.GOARCH == "386" {
+		modifyVMcommand += " --longmode on"
+	}
+
+	driver := NewDriver("default", "path")
+	driver.NatNicType = "Am79C973"
+	mockCalls(t, driver, []Call{
+		{"CopyIsoToMachineDir path default http://b2d.org", "", nil},
+		{"Generate path/machines/default/id_rsa", "", nil},
+		{"Create 20000 path/machines/default/id_rsa.pub path/machines/default/disk.vmdk", "", nil},
+		{"vbm createvm --basefolder path/machines/default --name default --register", "", nil},
+		{modifyVMcommand, "", nil},
+		{"vbm modifyvm default --nic1 nat --nictype1 Am79C973 --cableconnected1 on", "", nil},
+		{"vbm storagectl default --name SATA --add sata --hostiocache on", "", nil},
+		{"vbm storageattach default --storagectl SATA --port 0 --device 0 --type dvddrive --medium path/machines/default/boot2docker.iso", "", nil},
+		{"vbm storageattach default --storagectl SATA --port 1 --device 0 --type hdd --medium path/machines/default/disk.vmdk", "", nil},
+		{"vbm guestproperty set default /VirtualBox/GuestAdd/SharedFolders/MountPrefix /", "", nil},
+		{"vbm guestproperty set default /VirtualBox/GuestAdd/SharedFolders/MountDir /", "", nil},
+		{"vbm sharedfolder add default --name " + shareName + " --hostpath " + shareDir + " --automount", "", nil},
+		{"vbm setextradata default VBoxInternal2/SharedFoldersEnableSymlinksCreate/" + shareName + " 1", "", nil},
+	})
+
+	err := driver.CreateVM()
+
+	assert.NoError(t, err)
+}
+
 func TestStart(t *testing.T) {
 	driver := NewDriver("default", "path")
 	mockCalls(t, driver, []Call{