Revision da4a52a3 lib/locking.py
| b/lib/locking.py | ||
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| 1636 | 1636 |
""" |
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_instance = None |
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def __init__(self, nodes, nodegroups, instances, networks):
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def __init__(self, node_uuids, nodegroups, instance_names, networks):
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"""Constructs a new GanetiLockManager object. |
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There should be only a GanetiLockManager object at any time, so this |
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function raises an error if this is not the case. |
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@param nodes: list of node names
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@param node_uuids: list of node UUIDs
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@param nodegroups: list of nodegroup uuids |
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@param instances: list of instance names |
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@param instance_names: list of instance names
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""" |
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assert self.__class__._instance is None, \ |
| ... | ... | |
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# locking order. |
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self.__keyring = {
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LEVEL_CLUSTER: LockSet([BGL], "cluster", monitor=self._monitor), |
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LEVEL_NODE: LockSet(nodes, "node", monitor=self._monitor), |
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LEVEL_NODE_RES: LockSet(nodes, "node-res", monitor=self._monitor), |
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LEVEL_NODE: LockSet(node_uuids, "node", monitor=self._monitor),
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LEVEL_NODE_RES: LockSet(node_uuids, "node-res", monitor=self._monitor),
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LEVEL_NODEGROUP: LockSet(nodegroups, "nodegroup", monitor=self._monitor), |
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LEVEL_INSTANCE: LockSet(instances, "instance", monitor=self._monitor), |
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LEVEL_INSTANCE: LockSet(instance_names, "instance", |
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monitor=self._monitor), |
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LEVEL_NETWORK: LockSet(networks, "network", monitor=self._monitor), |
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LEVEL_NODE_ALLOC: LockSet([NAL], "node-alloc", monitor=self._monitor), |
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} |
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