733baf1a8b
often it is convenient to classify a distro as being part of an operating system family. for instance, file templates may be identical for both debian and ubuntu, but to support this under the current templating code, one would need multiple templates for the same code. similarly, configuration handlers often fall into the same bucket: the configuraton is known to work/has been tested on a particular family of operating systems. right now this is handled with a declaration like: distros = ['fedora', 'rhel'] this fix seeks to address both of these issues. it allows for the simplification of the above line to: osfamilies = ['redhat'] and provides a mechanism for operating system family templates.
59 lines
1.9 KiB
Python
59 lines
1.9 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 chance 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', [])
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if not hasattr(mod, 'osfamilies'):
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setattr(mod, 'osfamilies', [])
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return mod
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