def Exec(self, feedback_fn):
    try:
      self.cfg.RemoveNodeGroup(self.group_uuid)
    except errors.ConfigurationError:
      raise errors.OpExecError("Group '%s' with UUID %s disappeared" %
                               (self.op.group_name, self.group_uuid))
Remove the node group.
dataset/ETHPy150Open ganeti/ganeti/lib/cmdlib/group.py/LUGroupRemove.Exec