d7e8bfb053
Relevant logic was altered to comply with the rule while preserving the function. Signed-off-by: Jiri Podivin <jpodivin@redhat.com> Change-Id: I8363336463dc170087924b2f7cc3fa56609f848e
309 lines
11 KiB
Python
309 lines
11 KiB
Python
# Copyright 2020 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.command import command
|
|
from osc_lib.i18n import _
|
|
|
|
from tripleoclient import constants
|
|
from tripleoclient import utils
|
|
|
|
LOG = logging.getLogger(__name__ + ".BackupUndercloud")
|
|
|
|
|
|
class BackupUndercloud(command.Command):
|
|
"""Backup the undercloud"""
|
|
|
|
def get_parser(self, prog_name):
|
|
parser = argparse.ArgumentParser(
|
|
description=self.get_description(),
|
|
prog=prog_name,
|
|
add_help=False
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--init',
|
|
const='rear',
|
|
nargs='?',
|
|
action='store',
|
|
help=_("Initialize environment for backup, "
|
|
"using 'rear' or 'nfs' as args "
|
|
"which will check for package install "
|
|
"and configured ReaR or NFS server. "
|
|
"Defaults to: rear. "
|
|
"i.e. --init rear. "
|
|
"WARNING: This flag will be deprecated "
|
|
"and replaced by '--setup-rear' and "
|
|
"'--setup-nfs'.")
|
|
)
|
|
|
|
# New flags for tripleo-ansible backup and restore role.
|
|
parser.add_argument(
|
|
'--setup-nfs',
|
|
default=False,
|
|
action='store_true',
|
|
help=_("Setup the NFS server on the backup node "
|
|
"which will install required packages "
|
|
"and configuration on the host 'BackupNode' "
|
|
"in the ansible inventory.")
|
|
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--setup-rear',
|
|
default=False,
|
|
action='store_true',
|
|
help=_("Setup ReaR on the 'Undercloud' host which will "
|
|
"install and configure ReaR.")
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--cron',
|
|
default=False,
|
|
action='store_true',
|
|
help=_("Sets up a new cron job that by default will "
|
|
"execute a weekly backup at Sundays midnight, "
|
|
"but that can be customized by using the "
|
|
"tripleo_backup_and_restore_cron extra-var.")
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--db-only',
|
|
default=False,
|
|
action='store_true',
|
|
help=_("Perform a DB backup of the 'Undercloud' host. "
|
|
"The DB backup file will be stored in /home/stack "
|
|
"with the name openstack-backup-mysql-<timestamp>.sql.")
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--inventory',
|
|
action='store',
|
|
default='/home/stack/tripleo-inventory.yaml',
|
|
help=_("Tripleo inventory file generated with "
|
|
"tripleo-ansible-inventory command. "
|
|
"Defaults to: /home/stack/tripleo-inventory.yaml.")
|
|
)
|
|
|
|
# Parameter to choose the files to backup
|
|
parser.add_argument(
|
|
'--add-path',
|
|
action='append',
|
|
default=['/home/stack/'],
|
|
help=_("Add additional files to backup. "
|
|
"Defaults to: /home/stack/ "
|
|
"i.e. --add-path /this/is/a/folder/ "
|
|
" --add-path /this/is/a/texfile.txt.")
|
|
)
|
|
|
|
parser.add_argument(
|
|
"--exclude-path",
|
|
default=[],
|
|
action="append",
|
|
help=_("Exclude path when performing the Undercloud Backup, "
|
|
"this option can be specified multiple times. "
|
|
"Defaults to: none "
|
|
"i.e. --exclude-path /this/is/a/folder/ "
|
|
" --exclude-path /this/is/a/texfile.txt.")
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--save-swift',
|
|
default=False,
|
|
action='store_true',
|
|
help=_("Save backup to swift. "
|
|
"Defaults to: False "
|
|
"Special attention should be taken that "
|
|
"Swift itself is backed up if you call this multiple times "
|
|
"the backup size will grow exponentially.")
|
|
)
|
|
|
|
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:
|
|
extra_vars = None
|
|
elif 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_backup_undercloud(self, parsed_args):
|
|
|
|
extra_vars = self._parse_extra_vars(parsed_args.extra_vars)
|
|
|
|
if not (os.path.isfile(parsed_args.inventory) and
|
|
os.access(parsed_args.inventory, os.R_OK)):
|
|
raise RuntimeError(
|
|
_('The inventory file {} does not exist or is not '
|
|
'readable'.format(parsed_args.inventory)))
|
|
|
|
if parsed_args.db_only is True:
|
|
|
|
self._run_ansible_playbook(
|
|
playbook='cli-undercloud-db-backup.yaml',
|
|
inventory=parsed_args.inventory,
|
|
tags=None,
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
else:
|
|
|
|
if parsed_args.setup_nfs is True or parsed_args.init == 'nfs':
|
|
|
|
self._run_ansible_playbook(
|
|
playbook='prepare-nfs-backup.yaml',
|
|
inventory=parsed_args.inventory,
|
|
tags='bar_setup_nfs_server',
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
if parsed_args.setup_rear is True or parsed_args.init == 'rear':
|
|
|
|
self._run_ansible_playbook(
|
|
playbook='prepare-undercloud-backup.yaml',
|
|
inventory=parsed_args.inventory,
|
|
tags='bar_setup_rear',
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
|
|
if parsed_args.cron is True:
|
|
|
|
self._run_ansible_playbook(
|
|
playbook='cli-undercloud-backup-cron.yaml',
|
|
inventory=parsed_args.inventory,
|
|
tags=None,
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
|
|
if (parsed_args.setup_nfs is False and
|
|
parsed_args.setup_rear is False and
|
|
parsed_args.cron is False and
|
|
parsed_args.init is None):
|
|
|
|
self._run_ansible_playbook(
|
|
playbook='cli-undercloud-backup.yaml',
|
|
inventory=parsed_args.inventory,
|
|
tags='bar_create_recover_image',
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
|
|
def _legacy_backup_undercloud(self, parsed_args):
|
|
"""Legacy backup undercloud.
|
|
|
|
This will allow for easier removal once the functionality
|
|
is no longer needed.
|
|
"""
|
|
|
|
merge_paths = sorted(list(set(parsed_args.add_path)))
|
|
for exc in parsed_args.exclude_path:
|
|
if exc in merge_paths:
|
|
merge_paths.remove(exc)
|
|
|
|
files_to_backup = ','.join(merge_paths)
|
|
|
|
# Define the backup sources_path (files to backup).
|
|
# This is a comma separated string.
|
|
# I.e. "/this/is/a/folder/,/this/is/a/texfile.txt"
|
|
extra_vars = {"sources_path": files_to_backup}
|
|
if parsed_args.save_swift:
|
|
extra_vars.update({"save_swift": True})
|
|
|
|
LOG.debug(_('Launch the Undercloud Backup'))
|
|
self._run_ansible_playbook(
|
|
playbook='cli-undercloud-backup-legacy.yaml',
|
|
inventory='localhost, ',
|
|
tags=None,
|
|
skip_tags=None,
|
|
extra_vars=extra_vars
|
|
)
|
|
|
|
def _run_ansible_playbook(self,
|
|
playbook,
|
|
inventory,
|
|
tags,
|
|
skip_tags,
|
|
extra_vars):
|
|
"""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
|
|
)
|
|
|
|
def take_action(self, parsed_args):
|
|
|
|
if len(parsed_args.add_path) > 1 or parsed_args.save_swift:
|
|
|
|
LOG.warning("The following flags will be deprecated:"
|
|
"[--add-path, --exclude-path, --init, --save-swift]")
|
|
|
|
self._legacy_backup_undercloud(parsed_args)
|
|
|
|
else:
|
|
self._run_backup_undercloud(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 Undercloud. The resulting #\n'
|
|
' # backup file path will be shown on a successful execution. #\n'
|
|
' # #\n'
|
|
' # .-Stay safe and avoid future issues-. #\n'
|
|
' #############################################################\n'
|
|
)
|