def CheckOSImage(op):
  os_image = objects.GetOSImage(op.osparams)
  CheckImageValidity(os_image, "OS image must be an absolute path or a URL")
  return os_image
Should list all nodes with tag 'top'
dataset/ETHPy150Open ganeti/ganeti/lib/cmdlib/common.py/CheckOSImage--crossover with--dataset/ETHPy150Open tobami/littlechef/tests/test_lib.py/TestLib.test_get_nodes_with_tag