44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
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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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"""Generic exec utility that allows us to set the
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execute and root_helper attributes for putils.
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Some projects need their own execute wrapper
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and root_helper settings, so this provides that hook.
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"""
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from oslo_concurrency import processutils as putils
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from os_brick.privileged import rootwrap as priv_rootwrap
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class Executor(object):
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def __init__(self, root_helper, execute=None,
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*args, **kwargs):
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# For backwards compatibility, `putils.execute` is interpreted
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# as a sentinel to mean "I want the os-brick default" :-/
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# This can be burnt as soon as we update all the callsites (in
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# nova+cinder) to the new default - and then we shall never
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# speak of it again.
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if execute is None or execute is putils.execute:
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execute = priv_rootwrap.execute
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self.set_execute(execute)
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self.set_root_helper(root_helper)
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def set_execute(self, execute):
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self._execute = execute
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def set_root_helper(self, helper):
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self._root_helper = helper
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