Revision 2674690b lib/config.py

b/lib/config.py
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    return self._UnlockedGetInstanceInfo(instance_name)
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  @locking.ssynchronized(_config_lock, shared=1)
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  def GetInstanceNodeGroups(self, instance_name, primary_only=False):
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    """Returns set of node group UUIDs for instance's nodes.
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    @rtype: frozenset
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    """
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    instance = self._UnlockedGetInstanceInfo(instance_name)
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    if not instance:
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      raise errors.ConfigurationError("Unknown instance '%s'" % instance_name)
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    if primary_only:
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      nodes = [instance.primary_node]
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    else:
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      nodes = instance.all_nodes
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    return frozenset(self._UnlockedGetNodeInfo(node_name).group
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                     for node_name in nodes)
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  @locking.ssynchronized(_config_lock, shared=1)
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  def GetAllInstancesInfo(self):
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    """Get the configuration of all instances.
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