// Create has the following implementation:
// 1. check whether the docker directory contains the boot2docker ISO
// 2. generate an SSH keypair and bundle it in a tar.
// 3. create a virtual machine with the boot2docker ISO mounted;
// 4. reconfigure the virtual machine network and disk size;
func (d *Driver) Create() error {
	b2dutils := mcnutils.NewB2dUtils(d.StorePath)
	if err := b2dutils.CopyIsoToMachineDir(d.Boot2DockerURL, d.MachineName); err != nil {
		return err
	}

	log.Infof("Generating SSH Keypair...")
	if err := ssh.GenerateSSHKey(d.GetSSHKeyPath()); err != nil {
		return err
	}

	// Create context
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	c, err := d.vsphereLogin(ctx)
	if err != nil {
		return err
	}
	defer c.Logout(ctx)

	// Create a new finder
	f := find.NewFinder(c.Client, true)

	dc, err := f.DatacenterOrDefault(ctx, d.Datacenter)
	if err != nil {
		return err
	}

	f.SetDatacenter(dc)

	dss, err := f.DatastoreOrDefault(ctx, d.Datastore)
	if err != nil {
		return err
	}

	net, err := f.NetworkOrDefault(ctx, d.Network)
	if err != nil {
		return err
	}

	hs, err := f.HostSystemOrDefault(ctx, d.HostSystem)
	if err != nil {
		return err
	}

	var rp *object.ResourcePool
	if d.Pool != "" {
		// Find specified Resource Pool
		rp, err = f.ResourcePool(ctx, d.Pool)
		if err != nil {
			return err
		}
	} else {
		// Pick default Resource Pool for Host System
		rp, err = hs.ResourcePool(ctx)
		if err != nil {
			return err
		}
	}

	spec := types.VirtualMachineConfigSpec{
		Name:     d.MachineName,
		GuestId:  "otherLinux64Guest",
		Files:    &types.VirtualMachineFileInfo{VmPathName: fmt.Sprintf("[%s]", dss.Name())},
		NumCPUs:  int32(d.CPU),
		MemoryMB: int64(d.Memory),
	}

	scsi, err := object.SCSIControllerTypes().CreateSCSIController("pvscsi")
	if err != nil {
		return err
	}

	spec.DeviceChange = append(spec.DeviceChange, &types.VirtualDeviceConfigSpec{
		Operation: types.VirtualDeviceConfigSpecOperationAdd,
		Device:    scsi,
	})

	log.Infof("Creating VM...")
	folders, err := dc.Folders(ctx)
	task, err := folders.VmFolder.CreateVM(ctx, spec, rp, hs)
	if err != nil {
		return err
	}

	info, err := task.WaitForResult(ctx, nil)
	if err != nil {
		return err
	}

	log.Infof("Uploading Boot2docker ISO ...")
	dsurl, err := dss.URL(ctx, dc, fmt.Sprintf("%s/%s", d.MachineName, isoFilename))
	if err != nil {
		return err
	}
	p := soap.DefaultUpload
	if err = c.Client.UploadFile(d.ISO, dsurl, &p); err != nil {
		return err
	}

	// Retrieve the new VM
	vm := object.NewVirtualMachine(c.Client, info.Result.(types.ManagedObjectReference))

	devices, err := vm.Device(ctx)
	if err != nil {
		return err
	}

	var add []types.BaseVirtualDevice

	controller, err := devices.FindDiskController("scsi")
	if err != nil {
		return err
	}

	disk := devices.CreateDisk(controller, dss.Reference(),
		dss.Path(fmt.Sprintf("%s/%s.vmdk", d.MachineName, d.MachineName)))

	// Convert MB to KB
	disk.CapacityInKB = int64(d.DiskSize) * 1024

	add = append(add, disk)
	ide, err := devices.FindIDEController("")
	if err != nil {
		return err
	}

	cdrom, err := devices.CreateCdrom(ide)
	if err != nil {
		return err
	}

	add = append(add, devices.InsertIso(cdrom, dss.Path(fmt.Sprintf("%s/%s", d.MachineName, isoFilename))))

	backing, err := net.EthernetCardBackingInfo(ctx)
	if err != nil {
		return err
	}

	netdev, err := object.EthernetCardTypes().CreateEthernetCard("vmxnet3", backing)
	if err != nil {
		return err
	}

	log.Infof("Reconfiguring VM...")
	add = append(add, netdev)
	if vm.AddDevice(ctx, add...); err != nil {
		return err
	}

	if err := d.Start(); err != nil {
		return err
	}

	log.Infof("Provisioning certs and ssh keys...")
	// Generate a tar keys bundle
	if err := d.generateKeyBundle(); err != nil {
		return err
	}

	opman := guest.NewOperationsManager(c.Client, vm.Reference())

	fileman, err := opman.FileManager(ctx)
	if err != nil {
		return err
	}

	src := d.ResolveStorePath("userdata.tar")
	s, err := os.Stat(src)
	if err != nil {
		return err
	}

	auth := AuthFlag{}
	flag := FileAttrFlag{}
	auth.auth.Username = B2DUser
	auth.auth.Password = B2DPass
	flag.SetPerms(0, 0, 660)
	url, err := fileman.InitiateFileTransferToGuest(ctx, auth.Auth(), "/home/docker/userdata.tar", flag.Attr(), s.Size(), true)
	if err != nil {
		return err
	}
	u, err := c.Client.ParseURL(url)
	if err != nil {
		return err
	}
	if err = c.Client.UploadFile(src, u, nil); err != nil {
		return err
	}

	procman, err := opman.ProcessManager(ctx)
	if err != nil {
		return err
	}

	var env []string
	guestspec := types.GuestProgramSpec{
		ProgramPath:      "/usr/bin/sudo",
		Arguments:        "/bin/mv /home/docker/userdata.tar /var/lib/boot2docker/userdata.tar && /usr/bin/sudo tar xf /var/lib/boot2docker/userdata.tar -C /home/docker/ > /var/log/userdata.log 2>&1 && /usr/bin/sudo chown -R docker:staff /home/docker",
		WorkingDirectory: "",
		EnvVariables:     env,
	}

	_, err = procman.StartProgram(ctx, auth.Auth(), &guestspec)
	if err != nil {
		return err
	}

	return nil
}
Exemple #2
0
//
// Create creates the VM by
// 1. Generating SSH keys
// 2. Logs in to vSphere and gathers dc, datastore, network, resource pool and
//    other information
// 3. Clones the VM template
// 4. Powers on the VM
// 5. Uploads the SSH key bundle
//
// Parameters:
//      None
// Returns:
//      (error): various errors from vSphere
//
func (d *Driver) Create() error {
	var relocateSpec types.VirtualMachineRelocateSpec

	log.Infof("Generating SSH Keypair...")
	if err := ssh.GenerateSSHKey(d.GetSSHKeyPath()); err != nil {
		return err
	}

	// Create context
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// Query the inventory
	c, err := d.vsphereLogin(ctx)
	if err != nil {
		return err
	}
	defer c.Logout(ctx)
	// Create a new finder
	f := find.NewFinder(c.Client, true)

	dc, err := f.DatacenterOrDefault(ctx, d.Datacenter)
	if err != nil {
		return err
	}

	folders, err := dc.Folders(ctx)
	if err != nil {
		return err
	}
	folder := folders.VmFolder

	f.SetDatacenter(dc)

	dss, err := f.DatastoreOrDefault(ctx, d.Datastore)
	if err != nil {
		return err
	}

	rp, err := f.ResourcePoolOrDefault(ctx, d.Pool)
	if err != nil {
		// Pick default Resource Pool for Host System
		hs, err := f.HostSystemOrDefault(ctx, d.HostSystem)
		if err != nil {
			log.Warnf("Unable to find host system ", err)
		}

		if hs != nil {
			rp, err = hs.ResourcePool(ctx)
			if err != nil {
				return err
			}
			if hs != nil {
				hostref := hs.Reference()
				relocateSpec.Host = &hostref
			}
		} else {
			return err
		}
	}

	dcName, err := d.getDatacenterName(dc)
	if err != nil {
		return err
	}

	image, err := d.getVMTemplate(d.VMTemplate, dcName, c.Client)
	if err != nil {
		return err
	}

	var imageMoRef mo.VirtualMachine
	err = image.Properties(ctx, image.Reference(), []string{"parent", "config.template", "resourcePool", "snapshot", "guest.toolsVersionStatus2", "config.guestFullName"}, &imageMoRef)
	if err != nil {
		return fmt.Errorf("Error reading base VM properties: %s", err)
	}

	// Create a CloneSpec to clone the VM
	datastoreref := dss.Reference()
	folderref := folder.Reference()
	poolref := rp.Reference()

	relocateSpec.Datastore = &datastoreref
	relocateSpec.Folder = &folderref
	relocateSpec.Pool = &poolref

	spec := types.VirtualMachineConfigSpec{
		Name:     d.MachineName,
		GuestId:  "otherLinux64Guest",
		Files:    &types.VirtualMachineFileInfo{VmPathName: fmt.Sprintf("[%s]", dss.Name())},
		NumCPUs:  d.CPU,
		MemoryMB: int64(d.Memory),
	}

	cloneSpec := types.VirtualMachineCloneSpec{
		Config: &spec,
	}

	if imageMoRef.Snapshot != nil {
		relocateSpec.DiskMoveType = "createNewChildDiskBacking"
		cloneSpec.Snapshot = imageMoRef.Snapshot.CurrentSnapshot
	} else {
		return fmt.Errorf("No snapshots for template, cannot use for cloning")
	}

	if d.Network != "" {
		// search for the first network card of the source
		devices, err := image.Device(ctx)
		if err != nil {
			return fmt.Errorf("Error reading base VM devices: %s", err)
		}
		var card *types.VirtualEthernetCard
		for _, device := range devices {
			if c, ok := device.(types.BaseVirtualEthernetCard); ok {
				card = c.GetVirtualEthernetCard()
				break
			}
		}
		if card == nil {
			return fmt.Errorf("No network device found for the template.")
		}

		// get the new backing information
		net, err := f.NetworkOrDefault(ctx, d.Network)
		if err != nil {
			return fmt.Errorf("Network not found: %s", err)
		}
		backing, err := net.EthernetCardBackingInfo(ctx)
		if err != nil {
			return fmt.Errorf("Network backing not found: %s", err)
		}
		netdev, err := object.EthernetCardTypes().CreateEthernetCard("vmxnet3", backing)
		if err != nil {
			return fmt.Errorf("Failed to create ethernet card: %s", err)
		}

		//set backing info
		card.Backing = netdev.(types.BaseVirtualEthernetCard).GetVirtualEthernetCard().Backing

		// prepare virtual device config spec for network card
		configSpecs := []types.BaseVirtualDeviceConfigSpec{
			&types.VirtualDeviceConfigSpec{
				Operation: types.VirtualDeviceConfigSpecOperationEdit,
				Device:    card,
			},
		}
		relocateSpec.DeviceChange = configSpecs
	}

	cloneSpec.Location = relocateSpec

	task, err := image.Clone(ctx, folder, d.MachineName, cloneSpec)
	if err != nil {
		return fmt.Errorf("Error cloning vm: %s", err)
	}
	info, err := task.WaitForResult(ctx, nil)
	if err != nil {
		return fmt.Errorf("Error cloning vm: %s", err)
	}

	vmMoRef := info.Result.(types.ManagedObjectReference)
	vm := object.NewVirtualMachine(c.Client, vmMoRef)

	// Power On the VM
	if err := d.Start(); err != nil {
		return err
	}

	// Upload the bundle
	return d.uploadBundle(vm.Reference(), ctx, c.Client)
}