Revision 05f86716 lib/ssconf.py
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Other particularities of the datastore: |
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- keys are restricted to predefined values |
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- values are small (<4k) |
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- some keys are handled specially (read from the system, so |
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we can't update them) |
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- some keys are handled specially (read from the system) |
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""" |
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_SS_FILEPREFIX = "ssconf_" |
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raise errors.ConfigurationError("Failed to convert config version %s to"
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" int: '%s'" % (value, str(err))) |
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def GetFileList(self): |
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"""Return the list of all config files. |
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This is used for computing node replication data. |
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""" |
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return [self.KeyToFilename(key) for key in self._VALID_KEYS] |
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class WritableSimpleStore(SimpleStore): |
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"""This is a read/write interface to SimpleStore, which is used rarely, when |
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values need to be changed. Since WriteFile handles updates in an atomic way |
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it should be fine to use two WritableSimpleStore at the same time, but in |
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the future we might want to put additional protection for this class. |
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A WritableSimpleStore cannot be used to update system-dependent values. |
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""" |
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def SetKey(self, key, value): |
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"""Set the value of a key. |
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utils.WriteFile(file_name, data="%s\n" % str(value), |
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uid=0, gid=0, mode=0400) |
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def GetFileList(self): |
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"""Return the list of all config files. |
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This is used for computing node replication data. |
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""" |
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return [self.KeyToFilename(key) for key in self._VALID_KEYS] |
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