Prepare ensures the disk, the nerdctl archive, etc.
(ctx context.Context, inst *limatype.Instance, guestAgent string)
| 48 | |
| 49 | // Prepare ensures the disk, the nerdctl archive, etc. |
| 50 | func Prepare(ctx context.Context, inst *limatype.Instance, guestAgent string) (*Prepared, error) { |
| 51 | var needsGuestAgent bool |
| 52 | switch *inst.Config.OS { |
| 53 | case limatype.DARWIN: |
| 54 | // macOS guests always need the guest agent for running fake-cloud-init |
| 55 | needsGuestAgent = true |
| 56 | case limatype.FREEBSD: |
| 57 | // guest agent is not implemented for FreeBSD yet |
| 58 | needsGuestAgent = false |
| 59 | default: |
| 60 | needsGuestAgent = !*inst.Config.Plain |
| 61 | } |
| 62 | if needsGuestAgent && guestAgent == "" { |
| 63 | var err error |
| 64 | guestAgent, err = usrlocal.GuestAgentBinary(*inst.Config.OS, *inst.Config.Arch) |
| 65 | if err != nil { |
| 66 | return nil, err |
| 67 | } |
| 68 | } |
| 69 | limaDriver, err := driverutil.CreateConfiguredDriver(ctx, inst, 0, "") |
| 70 | if err != nil { |
| 71 | return nil, fmt.Errorf("failed to create driver instance: %w", err) |
| 72 | } |
| 73 | |
| 74 | if err := limaDriver.Validate(ctx); err != nil { |
| 75 | return nil, err |
| 76 | } |
| 77 | |
| 78 | if err := limaDriver.Create(ctx); err != nil { |
| 79 | return nil, err |
| 80 | } |
| 81 | |
| 82 | // Migrate legacy disk layout (diffdisk → disk, ISO basedisk → iso) |
| 83 | if err := driverutil.MigrateDiskLayout(inst.Dir); err != nil { |
| 84 | return nil, err |
| 85 | } |
| 86 | |
| 87 | created := limayaml.IsExistingInstanceDir(inst.Dir) |
| 88 | |
| 89 | imagePath := filepath.Join(inst.Dir, filenames.Image) |
| 90 | disk := filepath.Join(inst.Dir, filenames.Disk) |
| 91 | kernel := filepath.Join(inst.Dir, filenames.Kernel) |
| 92 | kernelCmdline := filepath.Join(inst.Dir, filenames.KernelCmdline) |
| 93 | initrd := filepath.Join(inst.Dir, filenames.Initrd) |
| 94 | if !osutil.FileExists(imagePath) && !osutil.FileExists(disk) { |
| 95 | var ensuredImage bool |
| 96 | errs := make([]error, len(inst.Config.Images)) |
| 97 | for i, f := range inst.Config.Images { |
| 98 | if _, err := fileutils.DownloadFile(ctx, imagePath, f.File, true, "the image", *inst.Config.Arch); err != nil { |
| 99 | errs[i] = err |
| 100 | continue |
| 101 | } |
| 102 | if f.Kernel != nil { |
| 103 | // ensure decompress kernel because vz expects it to be decompressed |
| 104 | if _, err := fileutils.DownloadFile(ctx, kernel, f.Kernel.File, true, "the kernel", *inst.Config.Arch); err != nil { |
| 105 | errs[i] = err |
| 106 | continue |
| 107 | } |
no test coverage detected