forked from borgmatic-collective/borgmatic
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
import logging
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import os
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logger = logging.getLogger(__name__)
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def make_database_dump_filename(dump_path, name, hostname=None):
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'''
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Based on the given dump directory path, database name, and hostname, return a filename to use
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for the database dump. The hostname defaults to localhost.
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Raise ValueError if the database name is invalid.
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'''
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if os.path.sep in name:
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raise ValueError('Invalid database name {}'.format(name))
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return os.path.join(os.path.expanduser(dump_path), hostname or 'localhost', name)
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def remove_database_dumps(dump_path, databases, database_type_name, log_prefix, dry_run):
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'''
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Remove the database dumps for the given databases in the dump directory path. The databases are
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supplied as a sequence of dicts, one dict describing each database as per the configuration
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schema. Use the name of the database type and the log prefix in any log entries. If this is a
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dry run, then don't actually remove anything.
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'''
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if not databases:
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logger.debug('{}: No {} databases configured'.format(log_prefix, database_type_name))
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return
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dry_run_label = ' (dry run; not actually removing anything)' if dry_run else ''
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logger.info(
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'{}: Removing {} database dumps{}'.format(log_prefix, database_type_name, dry_run_label)
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)
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for database in databases:
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dump_filename = make_database_dump_filename(
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dump_path, database['name'], database.get('hostname')
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)
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logger.debug(
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'{}: Removing {} database dump {} from {}{}'.format(
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log_prefix, database_type_name, database['name'], dump_filename, dry_run_label
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)
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)
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if dry_run:
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continue
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os.remove(dump_filename)
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dump_path = os.path.dirname(dump_filename)
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if len(os.listdir(dump_path)) == 0:
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os.rmdir(dump_path)
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