0c0fcd0603
that can be used to aid in the moving of older versions of cloud-inits data to newer versions of cloud-inits data. 1. Move the semaphores for the current instance to there canonicalized names and use the canonicalized in the file 'locking' code
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import shutil
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from cloudinit import helpers
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from cloudinit import util
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from cloudinit.settings import PER_ALWAYS
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frequency = PER_ALWAYS
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def _migrate_canon_sems(cloud):
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sem_path = cloud.paths.get_ipath('sem')
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if not sem_path or not os.path.exists(sem_path):
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return 0
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am_adjusted = 0
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for p in os.listdir(sem_path):
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full_path = os.path.join(sem_path, p)
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if os.path.isfile(full_path):
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canon_p = helpers.canon_sem_name(p)
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if canon_p != p:
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new_path = os.path.join(sem_path, p)
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shutil.move(full_path, new_path)
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am_adjusted += 1
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return am_adjusted
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def handle(name, cfg, cloud, log, _args):
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do_migrate = util.get_cfg_option_str(cfg, "migrate", True)
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if not util.translate_bool(do_migrate):
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log.debug("Skipping module named %s, migration disabled", name)
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return
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sems_moved = _migrate_canon_sems(cloud)
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log.debug("Migrated %s semaphore files to there canonicalized names",
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sems_moved)
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