Revision 92ff96e8

b/lib/cmdlib.py
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      raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
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def _ComputeNewInstanceViolations(old_ipolicy, new_ipolicy, instances):
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  """Computes a set of any instances that would violate the new ipolicy.
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  @param old_ipolicy: The current (still in-place) ipolicy
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  @param new_ipolicy: The new (to become) ipolicy
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  @param instances: List of instances to verify
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  @return: A list of instances which violates the new ipolicy but did not before
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  """
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  return (_ComputeViolatingInstances(old_ipolicy, instances) -
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          _ComputeViolatingInstances(new_ipolicy, instances))
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def _ExpandItemName(fn, name, kind):
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  """Expand an item name.
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......
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  return cluster.SimpleFillIPolicy(group.ipolicy)
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def _ComputeViolatingInstances(ipolicy, instances):
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  """Computes a set of instances who violates given ipolicy.
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  @param ipolicy: The ipolicy to verify
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  @type instances: object.Instance
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  @param instances: List of instances to verify
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  @return: A frozenset of instance names violating the ipolicy
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  """
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  return frozenset([inst.name for inst in instances
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                    if _ComputeIPolicyInstanceViolation(ipolicy, inst)])
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def _CheckNicsBridgesExist(lu, target_nics, target_node):
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  """Check that the brigdes needed by a list of nics exist.
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