Revision 35705d8f lib/cmdlib.py
| b/lib/cmdlib.py | ||
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""" |
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_OP_REQP = ["output_fields", "names"] |
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REQ_BGL = False |
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def CheckPrereq(self): |
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"""Check prerequisites. |
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This checks that the fields required are valid output fields. |
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""" |
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def ExpandNames(self): |
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self.dynamic_fields = frozenset([ |
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"dtotal", "dfree", |
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"mtotal", "mnode", "mfree", |
| ... | ... | |
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dynamic=self.dynamic_fields, |
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selected=self.op.output_fields) |
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self.wanted = _GetWantedNodes(self, self.op.names) |
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self.needed_locks = {}
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self.share_locks[locking.LEVEL_NODE] = 1 |
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# TODO: we could lock nodes only if the user asked for dynamic fields. For |
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# that we need atomic ways to get info for a group of nodes from the |
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# config, though. |
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if not self.op.names: |
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self.needed_locks[locking.LEVEL_NODE] = None |
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else: |
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self.needed_locks[locking.LEVEL_NODE] = \ |
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_GetWantedNodes(self, self.op.names) |
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def CheckPrereq(self): |
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"""Check prerequisites. |
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""" |
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# This of course is valid only if we locked the nodes |
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self.wanted = self.needed_locks[locking.LEVEL_NODE] |
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def Exec(self, feedback_fn): |
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"""Computes the list of nodes and their attributes. |
Also available in: Unified diff