code: def _get_disk_size(self, device):
          '''
          Get a size of a disk.
          '''
          out = __salt__['cmd.run_all']("df {0}".format(device))
          if out['retcode']:
              msg = "Disk size info error: {0}".format(out['stderr'])
              log.error(msg)
              raise SIException(msg)
  
          devpath, blocks, used, available, used_p, mountpoint = [elm for elm in
                                                                  out['stdout'].split(os.linesep)[-1].split(" ") if elm]
          return {
              'device': devpath, 'blocks': blocks, 'used': used,
              'available': available, 'used (%)': used_p, 'mounted': mountpoint,
          f _get_disk_size(self, device):
          '''
          Get a size of a disk.
          '''
          out = __salt__['cmd.run_all']("df {0}".format(device))
          if out['retcode']:
              msg = "Disk size info error: {0}".format(out['stderr'])
              log.error(msg)
              raise SIException(msg)
  
          devpath, blocks, used, available, used_p, mountpoint = [elm for elm in
                                                                  out['stdout'].split(os.linesep)[-1].split(" ") if elm]
          return {
              'device': devpath, 'blocks': blocks, 'used': used,
              'available': available, 'used (%)': used_p, 'mounted': mountpoint,
          }
docs: Get a size of a disk.