afacc4881a
The base classes follows the OS utils architecture spec. Change-Id: I1365e6c9de20dccc905e35113ccdea03f2a03f1b
78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
# Copyright (C) 2015 Canonical Ltd.
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# Copyright 2015 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import abc
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import importlib
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import platform
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import six
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__all__ = (
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'get_osutils',
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'OSUtils',
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)
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def get_osutils():
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"""Obtain the OS utils object for the underlying platform."""
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name, _, _ = platform.linux_distribution()
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if not name:
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name = platform.system()
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name = name.lower()
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location = "cloudinit.osys.{0}.base".format(name)
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module = importlib.import_module(location)
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return module.OSUtils
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@six.add_metaclass(abc.ABCMeta)
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class OSUtils(object):
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"""Base class for an OS utils namespace.
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This base class provides a couple of hooks which needs to be
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implemented by subclasses, for each particular OS and distro.
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"""
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name = None
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@abc.abstractproperty
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def network(self):
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"""Get the network object for the underlying platform."""
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@abc.abstractproperty
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def filesystem(self):
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"""Get the filesystem object for the underlying platform."""
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@abc.abstractproperty
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def users(self):
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"""Get the users object for the underlying platform."""
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@abc.abstractproperty
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def general(self):
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"""Get the general object for the underlying platform."""
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@abc.abstractproperty
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def user_class(self):
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"""Get the user class specific to this operating system."""
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@abc.abstractproperty
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def route_class(self):
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"""Get the route class specific to this operating system."""
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@abc.abstractproperty
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def interface_class(self):
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"""Get the interface class specific to this operating system."""
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