84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
# Copyright 2016 Red Hat, Inc.
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# All Rights Reserved.
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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 heatclient.common import template_utils
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from tripleo_common import constants
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LOG = logging.getLogger(__name__)
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UPGRADE_PREPARE_ENVIRONMENT_NAME = 'major-upgrade-pacemaker-init.yaml'
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UPGRADE_ENVIRONMENT_NAME = 'major-upgrade-pacemaker.yaml'
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UPGRADE_CLEANUP_ENVIRONMENT_NAME = 'major-upgrade-pacemaker-converge.yaml'
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class StackUpgradeManager(object):
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def __init__(self, heatclient, stack_id,
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tht_dir=None, environment_files=None):
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self.stack = heatclient.stacks.get(stack_id)
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self.tht_dir = tht_dir
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self.environment_files = environment_files
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self.heatclient = heatclient
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def _update_stack(self, timeout_mins, stage_env):
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stack_params = {}
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tpl_files, template = template_utils.get_template_contents(
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template_file=os.path.join(self.tht_dir, constants.TEMPLATE_NAME))
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env_paths = []
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if self.environment_files:
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env_paths.extend(self.environment_files)
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env_paths.append(os.path.join(self.tht_dir, 'environments',
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stage_env))
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env_files, env = (
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template_utils.process_multiple_environments_and_files(
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env_paths=env_paths))
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fields = {
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'existing': True,
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'stack_id': self.stack.id,
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'template': template,
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'files': dict(list(tpl_files.items()) +
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list(env_files.items())),
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'environment': env,
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'parameters': stack_params,
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'timeout_mins': timeout_mins,
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}
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LOG.debug('stack update params: %s', fields)
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self.heatclient.stacks.update(**fields)
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def upgrade_pre(self, timeout_mins=constants.STACK_TIMEOUT_DEFAULT):
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LOG.info('upgrading stack: %s', self.stack.stack_name)
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self._update_stack(timeout_mins, UPGRADE_PREPARE_ENVIRONMENT_NAME)
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def upgrade(self, timeout_mins=constants.STACK_TIMEOUT_DEFAULT):
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LOG.info('upgrading stack: %s', self.stack.stack_name)
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self._update_stack(timeout_mins, UPGRADE_ENVIRONMENT_NAME)
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def upgrade_post(self, timeout_mins=constants.STACK_TIMEOUT_DEFAULT):
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LOG.info('cleanup of stack upgrade for stack: %s',
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self.stack.stack_name)
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self._update_stack(timeout_mins, UPGRADE_CLEANUP_ENVIRONMENT_NAME)
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def get_status(self):
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self.stack = self.heatclient.stacks.get(self.stack.id)
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status = self.stack.status
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LOG.debug('%s status: %s', self.stack.stack_name, status)
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return status
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