// 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
}
//
// 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)
}