73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
# Copyright 2016 Red Hat, Inc
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# Copyright 2017 Rackspace Australia
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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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"""Routines that use the dac_admin_pctxt to bypass file-system checks"""
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import os
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from oslo_utils import fileutils
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from nova import exception
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import nova.privsep
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@nova.privsep.dac_admin_pctxt.entrypoint
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def readfile(path):
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if not os.path.exists(path):
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raise exception.FileNotFound(file_path=path)
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with open(path, 'r') as f:
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return f.read()
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@nova.privsep.dac_admin_pctxt.entrypoint
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def writefile(path, mode, content):
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if not os.path.exists(path):
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raise exception.FileNotFound(file_path=path)
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with open(path, mode) as f:
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f.write(content)
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@nova.privsep.dac_admin_pctxt.entrypoint
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def readlink(path):
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if not os.path.exists(path):
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raise exception.FileNotFound(file_path=path)
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return os.readlink(path)
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@nova.privsep.dac_admin_pctxt.entrypoint
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def chown(path, uid=-1, gid=-1):
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if not os.path.exists(path):
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raise exception.FileNotFound(file_path=path)
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return os.chown(path, uid, gid)
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@nova.privsep.dac_admin_pctxt.entrypoint
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def makedirs(path):
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fileutils.ensure_tree(path)
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@nova.privsep.dac_admin_pctxt.entrypoint
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def chmod(path, mode):
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if not os.path.exists(path):
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raise exception.FileNotFound(file_path=path)
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os.chmod(path, mode)
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class path(object):
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@staticmethod
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@nova.privsep.dac_admin_pctxt.entrypoint
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def exists(path):
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return os.path.exists(path)
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