docs: def returner(ret):
      '''
      Return data to a remote carbon server using the text metric protocol
  
      Each metric will look like::
  
          [module].[function].[minion_id].[metric path [...]].[metric name]
  
      '''
      opts = _get_options(ret)
      metric_base = ret['fun']
      # Strip the hostname from the carbon base if we are returning from virt
      # module since then we will get stable metric bases even if the VM is
      # migrate from host to host
      if not metric_base.startswith('virt.'):
          metric_base += '.' + ret['id'].replace('.', '_')
  
      saltdata = ret['return']
      _send(saltdata, metric_base, opts)