diff options
Diffstat (limited to 'src/helpers/run-config-migration.py')
-rw-r--r-- | src/helpers/run-config-migration.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/helpers/run-config-migration.py b/src/helpers/run-config-migration.py new file mode 100644 index 0000000..e6ce973 --- /dev/null +++ b/src/helpers/run-config-migration.py @@ -0,0 +1,78 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019-2024 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os +import sys +import time +from argparse import ArgumentParser +from shutil import copyfile + +from vyos.migrate import ConfigMigrate +from vyos.migrate import ConfigMigrateError + +parser = ArgumentParser() +parser.add_argument('config_file', type=str, + help="configuration file to migrate") +parser.add_argument('--test-script', type=str, + help="test named script") +parser.add_argument('--output-file', type=str, + help="write to named output file instead of config file") +parser.add_argument('--force', action='store_true', + help="force run of all migration scripts") + +args = parser.parse_args() + +config_file = args.config_file +out_file = args.output_file +test_script = args.test_script +force = args.force + +if not os.access(config_file, os.R_OK): + print(f"Config file '{config_file}' not readable") + sys.exit(1) + +if out_file is None: + if not os.access(config_file, os.W_OK): + print(f"Config file '{config_file}' not writeable") + sys.exit(1) +else: + try: + open(out_file, 'w').close() + except OSError: + print(f"Output file '{out_file}' not writeable") + sys.exit(1) + +config_migrate = ConfigMigrate(config_file, force=force, output_file=out_file) + +if test_script: + # run_script and exit + config_migrate.run_script(test_script) + sys.exit(0) + +backup = None +if out_file is None: + timestr = time.strftime("%Y%m%d-%H%M%S") + backup = f'{config_file}.{timestr}.pre-migration' + copyfile(config_file, backup) + +try: + config_migrate.run() +except ConfigMigrateError as e: + print(f'Error: {e}') + sys.exit(1) + +if backup is not None and not config_migrate.config_modified: + os.unlink(backup) |