silvacarloss
a391d35c45
As a part of the community goal [1], we should be replacing rootwrap in favor of privsep. This change addresses these changes for the LVM driver. All calls that must run under sudo are now using privsep. [1] https://governance.openstack.org/tc/goals/selected/migrate-to-privsep.html Partially-Implements: bp privsep-migration Change-Id: Ia76c869f50e2884bcb2ad6e0b150b2dd8aeb2c64
73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
# Copyright 2021 Red Hat, Inc
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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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"""
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Helpers for os basic commands
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"""
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from oslo_concurrency import processutils
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from manila import exception
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import manila.privsep
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@manila.privsep.sys_admin_pctxt.entrypoint
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def rmdir(dir_path):
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processutils.execute('rmdir', dir_path)
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@manila.privsep.sys_admin_pctxt.entrypoint
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def is_data_definition_direct_io_supported(src_str, dest_str):
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try:
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processutils.execute(
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'dd', 'count=0', f'if={src_str}', f'of={dest_str}',
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'iflag=direct', 'oflag=direct')
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is_direct_io_supported = True
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except exception.ProcessExecutionError:
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is_direct_io_supported = False
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return is_direct_io_supported
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@manila.privsep.sys_admin_pctxt.entrypoint
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def data_definition(src_str, dest_str, size_in_g, use_direct_io=False):
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extra_flags = []
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if use_direct_io:
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extra_flags += ['iflag=direct', 'oflag=direct']
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processutils.execute(
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'dd', 'if=%s' % src_str, 'of=%s' % dest_str, 'count=%d' % size_in_g,
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'bs=1M', *extra_flags)
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@manila.privsep.sys_admin_pctxt.entrypoint
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def umount(mount_path):
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processutils.execute('umount', '-f', mount_path)
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@manila.privsep.sys_admin_pctxt.entrypoint
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def mount(device_name, mount_path):
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processutils.execute('mount', device_name, mount_path)
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@manila.privsep.sys_admin_pctxt.entrypoint
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def list_mounts():
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out, err = processutils.execute('mount', '-l')
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return out, err
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@manila.privsep.sys_admin_pctxt.entrypoint
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def chmod(permission_level_str, mount_path):
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processutils.execute('chmod', permission_level_str, mount_path)
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