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Member "zun-7.0.0/zun/cmd/status.py" (14 Apr 2021, 2166 Bytes) of package /linux/misc/openstack/zun-7.0.0.tar.gz:

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    1 # Copyright (c) 2018 NEC, Corp.
    2 #
    3 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
    4 #    not use this file except in compliance with the License. You may obtain
    5 #    a copy of the License at
    6 #
    7 #         http://www.apache.org/licenses/LICENSE-2.0
    8 #
    9 #    Unless required by applicable law or agreed to in writing, software
   10 #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   11 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   12 #    License for the specific language governing permissions and limitations
   13 #    under the License.
   14 
   15 import os
   16 import shutil
   17 import sys
   18 
   19 from oslo_upgradecheck import common_checks
   20 from oslo_upgradecheck import upgradecheck
   21 
   22 from zun.common.i18n import _
   23 import zun.conf
   24 
   25 CONF = zun.conf.CONF
   26 
   27 
   28 class Checks(upgradecheck.UpgradeCommands):
   29 
   30     """Contains upgrade checks
   31 
   32     Various upgrade checks should be added as separate methods in this class
   33     and added to _upgrade_checks tuple.
   34     """
   35 
   36     def _cmd_exists(self, cmd):
   37         try:
   38             return shutil.which(cmd) is not None
   39         except AttributeError:
   40             # shutil.which is not available in python 2.x so try an
   41             # alternative approach
   42             return any(
   43                 os.access(os.path.join(path, cmd), os.X_OK)
   44                 for path in os.environ["PATH"].split(os.pathsep)
   45             )
   46 
   47     def _numactl_check(self):
   48         """This is a check for existence of numactl binary
   49 
   50         It needs to be removed after adding any real upgrade check
   51         """
   52         if self._cmd_exists('numactl'):
   53             return upgradecheck.Result(upgradecheck.Code.SUCCESS)
   54         else:
   55             msg = _("The program 'numactl' is currently not installed.")
   56             return upgradecheck.Result(upgradecheck.Code.FAILURE, msg)
   57 
   58     _upgrade_checks = (
   59         (_('Numactl Check'), _numactl_check),
   60         (_('Policy File JSON to YAML Migration'),
   61          (common_checks.check_policy_json, {'conf': CONF})),
   62     )
   63 
   64 
   65 def main():
   66     return upgradecheck.main(
   67         CONF, project='zun', upgrade_command=Checks())
   68 
   69 
   70 if __name__ == '__main__':
   71     sys.exit(main())