python-tripleoclient/tripleoclient/v1/overcloud_upgrade.py

103 lines
4.1 KiB
Python

# Copyright 2015 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import logging
import yaml
from osc_lib.command import command
from osc_lib.i18n import _
from osc_lib import utils
from tripleo_common import upgrade
from tripleoclient import constants
class UpgradeOvercloud(command.Command):
"""Performs a major upgrade on overcloud nodes"""
log = logging.getLogger(__name__ + ".UpgradeOvercloud")
def get_parser(self, prog_name):
parser = super(UpgradeOvercloud, self).get_parser(prog_name)
parser.add_argument(
'stage',
metavar="<prepare|start|finish>",
choices=['prepare', 'start', 'finish'],
help=_('Stage of upgrade to perform.')
)
parser.add_argument(
'--stack',
dest='stack',
help=_('Name or ID of heat stack to upgrade '
'(default=Env: OVERCLOUD_STACK_NAME)'),
default=utils.env('OVERCLOUD_STACK_NAME'))
parser.add_argument(
'-e', '--environment-file', metavar='<HEAT ENVIRONMENT FILE>',
action='append', dest='environment_files',
help=_('Environment files to be passed to the heat stack-update '
'command. (Can be specified more than once.)')
)
template_group = parser.add_mutually_exclusive_group(required=True)
template_group.add_argument(
'--templates', nargs='?', const=constants.TRIPLEO_HEAT_TEMPLATES,
help=_("The directory containing the Heat templates used for "
"the upgraded deployment. Cannot be specified with "
"--answers-file."),
)
template_group.add_argument(
'--answers-file',
help=_('Path to a YAML file with arguments and parameters. Cannot '
'be used with --templates.')
)
return parser
def take_action(self, parsed_args):
self.log.debug("take_action(%s)" % parsed_args)
if parsed_args.answers_file is not None:
with open(parsed_args.answers_file, 'r') as answers_file:
answers = yaml.load(answers_file)
parsed_args.templates = (constants.TRIPLEO_HEAT_TEMPLATES if
answers.get('templates') is None else
answers.get('templates'))
if 'environments' in answers:
if parsed_args.environment_files is not None:
answers.environments.extend(
parsed_args.environment_files)
parsed_args.environment_files = answers['environments']
clients = self.app.client_manager
upgrade_manager = upgrade.StackUpgradeManager(
heatclient=clients.orchestration,
stack_id=parsed_args.stack,
tht_dir=parsed_args.templates,
environment_files=parsed_args.environment_files)
status = upgrade_manager.get_status()
if status not in ['IN_PROGRESS', 'WAITING']:
print("Starting stack upgrade on stack {0}".format(
parsed_args.stack))
stage_func = {
"prepare": upgrade_manager.upgrade_pre,
"start": upgrade_manager.upgrade,
"finish": upgrade_manager.upgrade_post,
}
stage_func[parsed_args.stage]()
else:
print("Could not start upgrade. Stack operation already in "
"progress on stack {0}".format(parsed_args.stack))
print("stack {0} status: {1}".format(parsed_args.stack, status))