110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
import os
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import sys
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import textwrap
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from argparse import ArgumentParser
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from ruamel import yaml
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from borgmatic.config import convert, generate, legacy, validate
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DEFAULT_SOURCE_CONFIG_FILENAME = '/etc/borgmatic/config'
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DEFAULT_SOURCE_EXCLUDES_FILENAME = '/etc/borgmatic/excludes'
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DEFAULT_DESTINATION_CONFIG_FILENAME = '/etc/borgmatic/config.yaml'
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def parse_arguments(*arguments):
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'''
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Given command-line arguments with which this script was invoked, parse the arguments and return
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them as an ArgumentParser instance.
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'''
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parser = ArgumentParser(
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description='''
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Convert legacy INI-style borgmatic configuration and excludes files to a single YAML
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configuration file. Note that this replaces any comments from the source files.
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'''
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)
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parser.add_argument(
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'-s',
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'--source-config',
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dest='source_config_filename',
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default=DEFAULT_SOURCE_CONFIG_FILENAME,
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help='Source INI-style configuration filename. Default: {}'.format(
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DEFAULT_SOURCE_CONFIG_FILENAME
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),
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)
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parser.add_argument(
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'-e',
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'--source-excludes',
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dest='source_excludes_filename',
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default=DEFAULT_SOURCE_EXCLUDES_FILENAME
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if os.path.exists(DEFAULT_SOURCE_EXCLUDES_FILENAME)
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else None,
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help='Excludes filename',
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)
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parser.add_argument(
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'-d',
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'--destination-config',
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dest='destination_config_filename',
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default=DEFAULT_DESTINATION_CONFIG_FILENAME,
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help='Destination YAML configuration filename. Default: {}'.format(
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DEFAULT_DESTINATION_CONFIG_FILENAME
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),
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)
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return parser.parse_args(arguments)
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TEXT_WRAP_CHARACTERS = 80
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def display_result(args): # pragma: no cover
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result_lines = textwrap.wrap(
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'Your borgmatic configuration has been upgraded. Please review the result in {}.'.format(
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args.destination_config_filename
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),
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TEXT_WRAP_CHARACTERS,
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)
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delete_lines = textwrap.wrap(
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'Once you are satisfied, you can safely delete {}{}.'.format(
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args.source_config_filename,
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' and {}'.format(args.source_excludes_filename)
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if args.source_excludes_filename
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else '',
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),
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TEXT_WRAP_CHARACTERS,
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)
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print('\n'.join(result_lines))
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print()
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print('\n'.join(delete_lines))
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def main(): # pragma: no cover
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try:
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args = parse_arguments(*sys.argv[1:])
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schema = yaml.round_trip_load(open(validate.schema_filename()).read())
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source_config = legacy.parse_configuration(
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args.source_config_filename, legacy.CONFIG_FORMAT
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)
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source_config_file_mode = os.stat(args.source_config_filename).st_mode
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source_excludes = (
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open(args.source_excludes_filename).read().splitlines()
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if args.source_excludes_filename
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else []
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)
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destination_config = convert.convert_legacy_parsed_config(
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source_config, source_excludes, schema
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)
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generate.write_configuration(
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args.destination_config_filename,
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generate.render_configuration(destination_config),
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mode=source_config_file_mode,
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)
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display_result(args)
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except (ValueError, OSError) as error:
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print(error, file=sys.stderr)
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sys.exit(1)
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