Method EnsureUserDataDisk

pkg/disk/disk_darwin.go:33–92

EnsureUserDataDisk checks the current disk configuration and fixes it if needed.

()

// EnsureUserDataDisk checks the current disk configuration and fixes it if needed.
func (m *userDataDiskManager) EnsureUserDataDisk() error {
	if m.limaDiskExists() {
		diskPath := m.finch.UserDataDiskPath(m.rootDir)

		if *m.config.VMType == "vz" {
			info, err := m.getDiskInfo(diskPath)
			if err != nil {
				return err
			}

			// Convert the persistent disk file to RAW before Lima starts.
			// Lima also does this, but since Finch uses a symlink to this file, lima won't create the new RAW file
			// in the persistent location, but in its own _disks directory.
			if info.Format != "raw" {
				if err := m.convertToRaw(diskPath); err != nil {
					return err
				}

				// since convertToRaw moves the disk, the symlink needs to be recreated
				if err := m.attachPersistentDiskToLimaDisk(); err != nil {
					return err
				}
			}
		}

		// if the file is not a symlink, loc will be an empty string
		// both os.Readlink() and UserDataDiskPath return absolute paths, so they will be equal if equivalent
		limaPath := fmt.Sprintf("%s/_disks/%s/datadisk", m.finch.LimaHomePath(), diskName)
		loc, err := m.fs.ReadlinkIfPossible(limaPath)
		if err != nil {
			return err
		}

		if loc != diskPath {
			if err := m.attachPersistentDiskToLimaDisk(); err != nil {
				return err
			}
		}
	} else {
		if err := m.createLimaDisk(); err != nil {
			return err
		}
		if err := m.attachPersistentDiskToLimaDisk(); err != nil {
			return err
		}
	}

	if err := m.resizeDiskIfNeeded(); err != nil {
		return err
	}

	if m.limaDiskIsLocked() {
		err := m.unlockLimaDisk()
		if err != nil {
			return err
		}
	}