func()

in internal/system/swap.go [71:97]

• 25 lines of code
• 7 McCabe index (conditional complexity)

func (s *swapAspect) swapOff() error {
	swapfiles, err := getSwapfilePaths()
	if err != nil {
		return err
	}
	for _, swap := range swapfiles {
		path := swap.filePath
		if swap.swapType == swapTypePartition {
			return fmt.Errorf("partition type swapfile %s found in /proc/swaps, please remove the swapfile", swap.filePath)
		}
		if _, err := os.Stat(path); err == nil {
			s.logger.Info("Disabling swap...", zap.Reflect("swapfile path", path))
			offCmd := exec.Command("swapoff", path)
			out, err := offCmd.CombinedOutput()
			if err != nil {
				return fmt.Errorf("failed to turn of swap on %s, command output: %s, %v", path, out, err)
			}
		} else if errors.Is(err, fs.ErrNotExist) {
			// path to swapfile does not exist
			s.logger.Warn("swapfile path does not exists", zap.Reflect("swapfile path", path))
		} else {
			// file may or may not exist. See err for details.
			return fmt.Errorf("unexpced error while trying to open /proc/swaps file: %v", err)
		}
	}
	return nil
}