Revision 7bcc78e4 lib/ssconf.py
| b/lib/ssconf.py | ||
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import sys |
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import re |
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import os |
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from ganeti import errors |
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from ganeti import constants |
| ... | ... | |
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""" |
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self._file_name = file_name |
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self._Load() |
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self._last_inode = None |
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self._last_mtime = None |
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self._last_size = None |
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# we need a forced reload at class init time, to initialize _last_* |
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self._Load(force=True) |
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def _Load(self): |
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def _Load(self, force=False):
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"""Loads (or reloads) the config file. |
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@type force: boolean |
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@param force: whether to force the reload without checking the mtime |
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@rtype: boolean |
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@return: boolean values that says whether we reloaded the configuration or not |
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(because we decided it was already up-to-date) |
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""" |
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cfg_stat = os.stat(self._file_name) |
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inode = cfg_stat.st_ino |
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mtime = cfg_stat.st_mtime |
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size = cfg_stat.st_size |
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reload = False |
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if force or inode != self._last_inode or \ |
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mtime > self._last_mtime or \ |
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size != self._last_size: |
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self._last_inode = inode |
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self._last_mtime = mtime |
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self._last_size = size |
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reload = True |
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if not reload: |
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return False |
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try: |
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self._config_data = serializer.Load(utils.ReadFile(self._file_name)) |
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except IOError, err: |
| ... | ... | |
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raise errors.ConfigurationError("Cannot load config file %s: %s" %
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(self._file_name, err)) |
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return True |
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# Clients can request a reload of the config file, so we export our internal |
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# _Load function as Reload. |
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Reload = _Load |
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