python-tripleoclient/tripleoclient/v1/overcloud_restore.py
Fernando Diaz 33bb74cae9 bnr - Set properly the default inventory file
The default path is addressed to /home/stack/tripleo-inventory.yaml.
The new release the inventory is generated automatically and the path is not that one.

Also the inventory argument in the restoration command has been added

Change-Id: I0093bf9c1c8346963b6fc299527e37b7698c51ce
(cherry picked from commit 719a26aaf1)
2022-06-07 08:23:47 +00:00

161 lines
5.6 KiB
Python

# Copyright 2021 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 argparse
import logging
import os
import yaml
from osc_lib import exceptions as oscexc
from osc_lib.command import command
from osc_lib.i18n import _
from osc_lib import utils as osc_utils
from tripleoclient import constants
from tripleoclient import utils
LOG = logging.getLogger(__name__ + ".RestoreOvercloud")
INVENTORY = constants.ANSIBLE_INVENTORY.format('overcloud')
class RestoreOvercloud(command.Command):
"""Restore the Overcloud"""
def get_parser(self, prog_name):
parser = argparse.ArgumentParser(
description=self.get_description(),
prog=prog_name,
add_help=False
)
parser.add_argument(
'--inventory',
default=INVENTORY,
help=_("Tripleo inventory file generated with "
"tripleo-ansible-inventory command. "
"Defaults to: " + INVENTORY)
)
parser.add_argument(
'--stack',
nargs='?',
help=_('Name or ID of the stack to be used'
'(default=Env: OVERCLOUD_STACK_NAME)'),
default=osc_utils.env('OVERCLOUD_STACK_NAME')
)
parser.add_argument(
'--node-name',
required=True,
help=_("Controller name is a required parameter "
"which defines the controller node to be "
"restored.")
)
parser.add_argument(
'--extra-vars',
default=None,
action='store',
help=_("Set additional variables as Dict or as "
"an absolute path of a JSON or YAML file type. "
"i.e. --extra-vars '{\"key\": \"val\", "
" \"key2\": \"val2\"}' "
"i.e. --extra-vars /path/to/my_vars.yaml "
"i.e. --extra-vars /path/to/my_vars.json. "
"For more information about the variables that "
"can be passed, visit: https://opendev.org/openstack/"
"tripleo-ansible/src/branch/master/tripleo_ansible/"
"roles/backup_and_restore/defaults/main.yml.")
)
return parser
def _parse_extra_vars(self, raw_extra_vars):
if raw_extra_vars is None:
return {}
if os.path.exists(raw_extra_vars):
with open(raw_extra_vars, 'r') as fp:
extra_vars = yaml.safe_load(fp.read())
else:
try:
extra_vars = yaml.safe_load(raw_extra_vars)
except yaml.YAMLError as exc:
raise RuntimeError(
_('--extra-vars is not an existing file and cannot be '
'parsed as YAML / JSON: %s') % exc)
return extra_vars
def _run_restore_overcloud(self, parsed_args):
"""Backup defined overcloud nodes."""
if parsed_args.stack in (None, ''):
raise oscexc.CommandError("You must specify a stack name")
extra_vars = self._parse_extra_vars(parsed_args.extra_vars)
node = parsed_args.node_name
parameter = 'tripleo_backup_and_restore_overcloud_restore_name'
extra_vars[parameter] = node
self._run_ansible_playbook(
playbook='cli-overcloud-restore-node.yaml',
inventory=parsed_args.inventory,
tags=None,
skip_tags=None,
extra_vars=extra_vars,
ssh_user='stack'
)
def _run_ansible_playbook(self,
playbook,
inventory,
tags,
skip_tags,
extra_vars,
ssh_user):
"""Run ansible playbook"""
with utils.TempDirs() as tmp:
utils.run_ansible_playbook(
playbook=playbook,
inventory=inventory,
workdir=tmp,
playbook_dir=constants.ANSIBLE_TRIPLEO_PLAYBOOKS,
tags=tags,
skip_tags=skip_tags,
verbosity=utils.playbook_verbosity(self=self),
extra_vars=extra_vars,
ssh_user=ssh_user
)
def take_action(self, parsed_args):
self._run_restore_overcloud(parsed_args)
print(
'\n'
' #############################################################\n'
' # Disclaimer #\n'
' # Backup verification is the End Users responsibility #\n'
' # Please verify backup integrity before any possible #\n'
' # disruptive actions against the Overcloud. The resulting #\n'
' # backup file path will be shown on a successful execution. #\n'
' # #\n'
' # .-Stay safe and avoid future issues-. #\n'
' #############################################################\n'
)