57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2008-2010 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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#
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# Author: Chuck Short <chuck.short@canonical.com>
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# Author: Juerg Haefliger <juerg.haefliger@hp.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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#
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from cloudinit.settings import (PER_INSTANCE, FREQUENCIES)
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from cloudinit import log as logging
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LOG = logging.getLogger(__name__)
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# This prefix is used to make it less
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# of a change that when importing
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# we will not find something else with the same
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# name in the lookup path...
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MOD_PREFIX = "cc_"
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def form_module_name(name):
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canon_name = name.replace("-", "_")
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if canon_name.lower().endswith(".py"):
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canon_name = canon_name[0:(len(canon_name) - 3)]
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canon_name = canon_name.strip()
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if not canon_name:
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return None
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if not canon_name.startswith(MOD_PREFIX):
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canon_name = '%s%s' % (MOD_PREFIX, canon_name)
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return canon_name
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def fixup_module(mod, def_freq=PER_INSTANCE):
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if not hasattr(mod, 'frequency'):
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setattr(mod, 'frequency', def_freq)
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else:
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freq = mod.frequency
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if freq and freq not in FREQUENCIES:
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LOG.warn("Module %s has an unknown frequency %s", mod, freq)
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if not hasattr(mod, 'distros'):
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setattr(mod, 'distros', None)
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return mod
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