69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
# Copyright (c) 2018 NEC, Corp.
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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 os
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import shutil
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import sys
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from oslo_upgradecheck import upgradecheck
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from zun.common.i18n import _
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import zun.conf
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CONF = zun.conf.CONF
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class Checks(upgradecheck.UpgradeCommands):
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"""Contains upgrade checks
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Various upgrade checks should be added as separate methods in this class
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and added to _upgrade_checks tuple.
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"""
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def _cmd_exists(self, cmd):
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try:
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return shutil.which(cmd) is not None
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except AttributeError:
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# shutil.which is not available in python 2.x so try an
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# alternative approach
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return any(
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os.access(os.path.join(path, cmd), os.X_OK)
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for path in os.environ["PATH"].split(os.pathsep)
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)
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def _numactl_check(self):
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"""This is a check for existence of numactl binary
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It needs to be removed after adding any real upgrade check
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"""
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if self._cmd_exists('numactl'):
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return upgradecheck.Result(upgradecheck.Code.SUCCESS)
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else:
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msg = _("The program 'numactl' is currently not installed.")
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return upgradecheck.Result(upgradecheck.Code.FAILURE, msg)
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_upgrade_checks = (
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(_('Numactl Check'), _numactl_check),
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)
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def main():
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return upgradecheck.main(
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CONF, project='zun', upgrade_command=Checks())
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if __name__ == '__main__':
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sys.exit(main())
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