186 lines
7.2 KiB
Python
186 lines
7.2 KiB
Python
#!/usr/bin/env python3
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# Copyright 2010-2015 OpenStack LLC.
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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");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import os
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import sys
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sys.path.insert(0, os.getcwd())
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from barbican.common import config
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from barbican.model import clean
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from barbican.model.migration import commands
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from oslo_log import log
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# Import and configure logging.
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CONF = config.CONF
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log.setup(CONF, 'barbican')
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LOG = log.getLogger(__name__)
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class DatabaseManager(object):
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"""Database Manager class.
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Builds and executes a CLI parser to manage the Barbican database
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This extends the Alembic commands.
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"""
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def __init__(self, conf):
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self.conf = conf
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self.parser = self.get_main_parser()
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self.subparsers = self.parser.add_subparsers(
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title='subcommands',
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description='Action to perform')
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self.add_revision_args()
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self.add_upgrade_args()
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self.add_history_args()
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self.add_current_args()
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self.add_clean_args()
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def get_main_parser(self):
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"""Create top-level parser and arguments."""
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parser = argparse.ArgumentParser(description='Barbican DB manager.')
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parser.add_argument('--dburl', '-d',
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default=self.conf.database.connection,
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help='URL to the database.')
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return parser
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def add_revision_args(self):
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"""Create 'revision' command parser and arguments."""
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create_parser = self.subparsers.add_parser('revision', help='Create a '
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'new DB version file.')
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create_parser.add_argument('--message', '-m', default='DB change',
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help='the message for the DB change')
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create_parser.add_argument('--autogenerate',
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help='autogenerate from models',
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action='store_true')
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create_parser.set_defaults(func=self.revision)
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def add_upgrade_args(self):
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"""Create 'upgrade' command parser and arguments."""
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create_parser = self.subparsers.add_parser('upgrade',
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help='Upgrade to a '
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'future version DB '
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'version file')
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create_parser.add_argument('--version', '-v', default='head',
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help='the version to upgrade to, or else '
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'the latest/head if not specified.')
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create_parser.set_defaults(func=self.upgrade)
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def add_history_args(self):
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"""Create 'history' command parser and arguments."""
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create_parser = self.subparsers.add_parser(
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'history',
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help='List changeset scripts in chronological order.')
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create_parser.add_argument('--verbose', '-V', action="store_true",
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help='Show full information about the '
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'revisions.')
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create_parser.set_defaults(func=self.history)
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def add_current_args(self):
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"""Create 'current' command parser and arguments."""
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create_parser = self.subparsers.add_parser(
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'current',
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help='Display the current revision for a database.')
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create_parser.add_argument('--verbose', '-V', action="store_true",
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help='Show full information about the '
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'revision.')
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create_parser.set_defaults(func=self.current)
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def add_clean_args(self):
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"""Create 'clean' command parser and arguments."""
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create_parser = self.subparsers.add_parser(
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'clean',
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help='Clean up soft deletions in the database')
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create_parser.add_argument(
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'--min-days', '-m', type=int, default=90,
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help='minimum number of days to keep soft deletions. default is'
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' %(default)s days.')
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create_parser.add_argument('--clean-unassociated-projects', '-p',
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action="store_true",
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help='Remove projects that have no '
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'associated resources.')
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create_parser.add_argument('--soft-delete-expired-secrets', '-e',
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action="store_true",
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help='Soft delete expired secrets.')
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create_parser.add_argument('--verbose', '-V', action='store_true',
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help='Show full information about the'
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' cleanup')
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create_parser.add_argument('--log-file', '-L',
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default=CONF.log_file,
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type=str,
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help='Set log file location. '
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'Default value for log_file can be '
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'found in barbican.conf')
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create_parser.set_defaults(func=self.clean)
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def revision(self, args):
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"""Process the 'revision' Alembic command."""
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commands.generate(autogenerate=args.autogenerate,
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message=args.message,
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sql_url=args.dburl)
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def upgrade(self, args):
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"""Process the 'upgrade' Alembic command."""
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LOG.debug("Performing database schema migration...")
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commands.upgrade(to_version=args.version, sql_url=args.dburl)
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def history(self, args):
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commands.history(args.verbose, sql_url=args.dburl)
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def current(self, args):
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commands.current(args.verbose, sql_url=args.dburl)
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def clean(self, args):
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clean.clean_command(
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sql_url=args.dburl,
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min_num_days=args.min_days,
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do_clean_unassociated_projects=args.clean_unassociated_projects,
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do_soft_delete_expired_secrets=args.soft_delete_expired_secrets,
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verbose=args.verbose,
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log_file=args.log_file)
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def execute(self):
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"""Parse the command line arguments."""
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args = self.parser.parse_args()
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# Perform other setup here...
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args.func(args)
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def _exception_is_successful_exit(thrown_exception):
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return (isinstance(thrown_exception, SystemExit) and
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(thrown_exception.code is None or thrown_exception.code == 0))
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def main():
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try:
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dm = DatabaseManager(CONF)
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dm.execute()
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except Exception as ex:
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if not _exception_is_successful_exit(ex):
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LOG.exception('Problem seen trying to run barbican db manage')
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sys.stderr.write("ERROR: {0}\n".format(ex))
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sys.exit(1)
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if __name__ == '__main__':
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main()
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