Method resizeDiskIfNeeded

pkg/disk/disk_darwin.go:220–260

()

}

func (m *userDataDiskManager) resizeDiskIfNeeded() error {
	if m.config.DataDisk == nil {
		return nil
	}

	configuredDataDiskBytes, err := units.RAMInBytes(*m.config.DataDisk)
	if err != nil {
		return fmt.Errorf("failed to parse configured disk size: %w", err)
	}

	diskPath := m.finch.UserDataDiskPath(m.rootDir)
	info, err := m.getDiskInfo(diskPath)
	if err != nil {
		return err
	}

	actualDataDiskBytes := int64(info.VirtualSize)
	if configuredDataDiskBytes == actualDataDiskBytes {
		return nil
	}

	if configuredDataDiskBytes < actualDataDiskBytes {
		m.logger.Warnf("Shrinking the data disk is not supported (configured: %s, current: %s), skipping resize",
			units.BytesSize(float64(configuredDataDiskBytes)), units.BytesSize(float64(actualDataDiskBytes)))
		return nil
	}

	size, err := sizeString(*m.config.DataDisk)
	if err != nil {
		return fmt.Errorf("failed to get disk size: %w", err)
	}

	m.logger.Infof("Resizing data disk from %s to %s", units.BytesSize(float64(actualDataDiskBytes)), size)
	m.logger.Warnf("Increasing disk size is irreversible without losing data.")
	cmd := m.ncc.CreateWithoutStdio("disk", "resize", diskName, "--size", size)
	if logs, err := cmd.CombinedOutput(); err != nil {
		return fmt.Errorf("failed to resize disk to %s, debug logs:\n%s", size, logs)
	}

	return nil
}

func sizeString(size string) (string, error) {
	sizeB, err := units.RAMInBytes(size)