mirror of https://github.com/nucypher/nucypher.git
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
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#!/usr/bin/env python
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"""
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This file is part of nucypher.
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nucypher is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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nucypher is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with nucypher. If not, see <https://www.gnu.org/licenses/>.
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"""
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import json
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import os
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import sys
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BACKUP_SUFFIX = '.old'
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def configuration_v1_to_v2(filepath: str):
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"""Updates configuration file V2 to V2 by remapping 'domains' to 'domain'"""
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# Read + deserialize
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with open(filepath, 'r') as file:
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contents = file.read()
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config = json.loads(contents)
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# Check we have version 1 indeed
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if config['version'] != 1:
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raise RuntimeError('Existing configuration is not version 1.')
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# Make a copy of the original file
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backup_filepath = filepath+BACKUP_SUFFIX
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os.rename(filepath, backup_filepath)
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print(f'Backed up existing configuration to {backup_filepath}')
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# Get current domain value
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domains = config['domains']
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domian = domains[0]
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if len(domains) > 1:
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print(f'Multiple domains configured, selecting the first one ({domian}).')
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# Apply updates
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del config['domains'] # deprecated
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config['domain'] = domian
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config['version'] = 2
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# Commit updates
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with open(filepath, 'w') as file:
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file.write(json.dumps(config, indent=4))
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print('OK! Migrated configuration file from v1 -> v2.')
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if __name__ == "__main__":
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try:
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_python, filepath = sys.argv
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except IndexError:
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raise ValueError('Configuration filepath is required')
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except ValueError:
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raise ValueError('Too many arguments, pass the filepath only.')
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configuration_v1_to_v2(filepath=filepath)
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