mirror of
https://github.com/CumulusNetworks/ifupdown2.git
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70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
# Copyright (C) 2017, 2018 Cumulus Networks, Inc. all rights reserved
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2.
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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 GNU
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# 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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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#
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# https://www.gnu.org/licenses/gpl-2.0-standalone.html
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#
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# Author:
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# Julien Fortin, julien@cumulusnetworks.com
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#
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# base_objects -- Base classes used by higher level classes
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#
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import os
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import logging
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try:
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from ifupdown2.lib.dry_run import DryRun
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from ifupdown2.ifupdown.utils import utils
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except (ImportError, ModuleNotFoundError):
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from lib.dry_run import DryRun
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from ifupdown.utils import utils
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class BaseObject(DryRun):
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"""
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BaseObject should be the parent of any ifupdown2 object that wishes to
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implement any "dry run" specific code and have a default logger.
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More classes can inherit BaseObject and add features like Addon, FileIO or Sysfs...
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"""
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def __init__(self):
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DryRun.__init__(self)
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self.logger = logging.getLogger("ifupdown2.%s" % self.__class__.__name__)
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def _import_NetlinkListenerWithCache():
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try:
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from ifupdown2.lib.nlcache import NetlinkListenerWithCache
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except ImportError:
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from lib.nlcache import NetlinkListenerWithCache
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return NetlinkListenerWithCache
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class Cache(BaseObject):
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def __init__(self):
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BaseObject.__init__(self)
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self.cache = _import_NetlinkListenerWithCache().get_instance().cache
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class Netlink(BaseObject):
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def __init__(self):
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BaseObject.__init__(self)
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self.netlink = _import_NetlinkListenerWithCache().get_instance()
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class Requirements(BaseObject):
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bridge_utils_is_installed = os.path.exists(utils.brctl_cmd)
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