code: def top(**kwargs):
      '''
      Run the command configured
      '''
      if 'id' not in kwargs['opts']:
          return {}
      cmd = '{0} {1}'.format(
              __opts__['master_tops']['ext_nodes'],
              kwargs['opts']['id']
              )
      ndata = salt.utils.yaml.safe_load(
          subprocess.Popen(
              cmd,
              shell=True,
              stdout=subprocess.PIPE).communicate()[0]
      )
      if not ndata:
          log.info('master_tops ext_nodes call did not return any data')
      ret = {}
      if 'environment' in ndata:
          env = ndata['environment']
      else:
          env = 'base'
  
      if 'classes' in ndata:
          if isinstance(ndata['classes'], dict):
              ret[env] = list(ndata['classes'])
          elif isinstance(ndata['classes'], list):
              ret[env] = ndata['classes']
          else:
              return ret
      else:
          log.info('master_tops ext_nodes call did not have a dictionary with a "classes" key.')
  
      return ref top(**kwargs):
      '''
      Run the command configured
      '''
      if 'id' not in kwargs['opts']:
          return {}
      cmd = '{0} {1}'.format(
              __opts__['master_tops']['ext_nodes'],
              kwargs['opts']['id']
              )
      ndata = salt.utils.yaml.safe_load(
          subprocess.Popen(
              cmd,
              shell=True,
              stdout=subprocess.PIPE).communicate()[0]
      )
      if not ndata:
          log.info('master_tops ext_nodes call did not return any data')
      ret = {}
      if 'environment' in ndata:
          env = ndata['environment']
      else:
          env = 'base'
  
      if 'classes' in ndata:
          if isinstance(ndata['classes'], dict):
              ret[env] = list(ndata['classes'])
          elif isinstance(ndata['classes'], list):
              ret[env] = ndata['classes']
          else:
              return ret
      else:
          log.info('master_tops ext_nodes call did not have a dictionary with a "classes" key.')
  
      return ret
docs: Run the command configured