72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, 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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import logging
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import os
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from fuel_upgrade.engines.docker_engine import DockerUpgrader
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from fuel_upgrade.pre_upgrade_hooks.base import PreUpgradeHookBase
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from fuel_upgrade import errors
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from fuel_upgrade import utils
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logger = logging.getLogger(__name__)
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class MoveKeysHook(PreUpgradeHookBase):
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"""Move keys from astute container to new path mounted in all containers
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In 6.1 we move generating keys for granular deployment
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to tasks and now keys are in the directory mounted in
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all containers so we need to move old keys to new dir
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to have all keys in one place.
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"""
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# this hook is required only for docker upgrade engine
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enable_for_engines = [DockerUpgrader]
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# src keys where we keep keys for fuel <6.1
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src_path = '/var/lib/astute/'
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# new keys destination
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dst_path = '/var/lib/fuel/keys/'
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def check_if_required(self):
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"""The hack is required if we're going to upgrade from version<6.1."""
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return utils.compare_version(self.config.from_version, '6.1') > 0
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def run(self):
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"""Move files to new directory"""
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if not utils.file_exists(self.dst_path):
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os.makedirs(self.dst_path)
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container_name = '{0}{1}-astute'.format(
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self.config.container_prefix, self.config.from_version)
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try:
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utils.exec_cmd('docker cp {0}:{1} {2}'.format(
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container_name,
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self.src_path,
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self.dst_path))
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# we need move and remove folder, because docker copy also folder
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# not only content
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utils.exec_cmd('mv {0}astute/* {0}'.format(self.dst_path))
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utils.exec_cmd('rm -r {0}astute/'.format(self.dst_path))
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except errors.ExecutedErrorNonZeroExitCode as exc:
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# Error means that user didn't run deployment on his
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# env, because this directory is created only then
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logger.warning(
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'Cannot copy astute keys %s',
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exc)
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