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#!/usr/bin/env python3 |
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# -*- coding: future_fstrings -*- |
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""" |
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System module |
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""" |
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import sys |
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import json |
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import os |
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import getpass |
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import yaml |
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from db_sync_tool.utility import log, parser, mode, helper, output, validation |
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from db_sync_tool.remote import utility as remote_utility |
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# |
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# GLOBALS |
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# |
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config = { |
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'verbose': False, |
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'mute': False, |
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'dry_run': False, |
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'keep_dump': False, |
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'dump_name': '', |
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'import': '', |
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'link_hosts': '', |
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'default_origin_dump_dir': True, |
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'default_target_dump_dir': True, |
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'check_dump': True, |
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'is_same_client': False, |
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'config_file_path': None, |
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'clear_database': False, |
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'force_password': False, |
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'use_rsync': False, |
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'use_rsync_options': None, |
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'use_sshpass': False, |
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'ssh_agent': False, |
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'ssh_password': { |
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mode.Client.ORIGIN: None, |
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mode.Client.TARGET: None |
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}, |
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'link_target': None, |
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'link_origin': None, |
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'tables': '' |
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} |
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# |
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# DEFAULTS |
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# |
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default_local_sync_path = '/tmp/db_sync_tool/' |
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# |
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# FUNCTIONS |
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# |
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def check_target_configuration(): |
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""" |
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Checking target database configuration |
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:return: |
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""" |
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parser.get_database_configuration(mode.Client.TARGET) |
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def get_configuration(host_config, args): |
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""" |
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Checking configuration information by file or dictionary |
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:param host_config: Dictionary |
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:param args: Dictionary |
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:return: |
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""" |
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global config |
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config[mode.Client.TARGET] = {} |
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config[mode.Client.ORIGIN] = {} |
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if host_config: |
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config.update(json.dumps(host_config)) |
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_config_file_path = config['config_file_path'] |
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if not _config_file_path is None: |
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if os.path.isfile(_config_file_path): |
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with open(_config_file_path, 'r') as read_file: |
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if _config_file_path.endswith('.json'): |
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config.update(json.load(read_file)) |
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elif _config_file_path.endswith('.yaml') or _config_file_path.endswith('.yml'): |
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config.update(yaml.safe_load(read_file)) |
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else: |
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sys.exit( |
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output.message( |
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output.Subject.ERROR, |
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f'Unsupported configuration file type [json,yml,yaml]: ' |
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f'{config["config_file_path"]}', |
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False |
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) |
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) |
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output.message( |
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output.Subject.LOCAL, |
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f'Loading host configuration ' |
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f'{output.CliFormat.BLACK}{_config_file_path}{output.CliFormat.ENDC}', |
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True |
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) |
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else: |
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sys.exit( |
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output.message( |
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output.Subject.ERROR, |
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f'Local configuration not found: {config["config_file_path"]}', |
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False |
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) |
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) |
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args_config = build_config(args) |
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if config['config_file_path'] is None and args_config == {}: |
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sys.exit( |
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output.message( |
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output.Subject.ERROR, |
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f'Configuration is missing, use a separate file or provide host parameter', |
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False |
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) |
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) |
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validation.check(config) |
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check_options() |
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helper.run_script(script='before') |
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log.get_logger().info('Starting db_sync_tool') |
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def build_config(args): |
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""" |
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ADding the provided arguments |
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:param args: |
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:return: |
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""" |
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if args is None: |
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return |
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if not args.type is None: |
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config['type'] = args.type |
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if not args.tables is None: |
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config['tables'] = args.tables |
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if not args.origin is None: |
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config['link_origin'] = args.origin |
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if not args.target is None: |
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config['link_target'] = args.target |
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if not args.target_path is None: |
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config[mode.Client.TARGET]['path'] = args.target_path |
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if not args.target_name is None: |
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config[mode.Client.TARGET]['name'] = args.target_name |
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if not args.target_host is None: |
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config[mode.Client.TARGET]['host'] = args.target_host |
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if not args.target_user is None: |
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config[mode.Client.TARGET]['user'] = args.target_user |
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if not args.target_password is None: |
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config[mode.Client.TARGET]['password'] = args.target_password |
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if not args.target_key is None: |
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config[mode.Client.TARGET]['ssh_key'] = args.target_key |
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if not args.target_port is None: |
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config[mode.Client.TARGET]['port'] = args.target_port |
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if not args.target_dump_dir is None: |
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config[mode.Client.TARGET]['dump_dir'] = args.target_dump_dir |
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if not args.target_db_name is None: |
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config[mode.Client.TARGET]['db']['name'] = args.target_db_name |
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if not args.target_db_host is None: |
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config[mode.Client.TARGET]['db']['host'] = args.target_db_host |
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if not args.target_db_user is None: |
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config[mode.Client.TARGET]['db']['user'] = args.target_db_user |
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if not args.target_db_password is None: |
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config[mode.Client.TARGET]['db']['password'] = args.target_db_password |
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if not args.target_db_port is None: |
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config[mode.Client.TARGET]['db']['port'] = args.target_db_port |
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if not args.target_after_dump is None: |
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config[mode.Client.TARGET]['after_dump'] = args.target_after_dump |
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if not args.origin_path is None: |
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config[mode.Client.ORIGIN]['path'] = args.origin_path |
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if not args.origin_name is None: |
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config[mode.Client.ORIGIN]['name'] = args.origin_name |
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if not args.origin_host is None: |
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config[mode.Client.ORIGIN]['host'] = args.origin_host |
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if not args.origin_user is None: |
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config[mode.Client.ORIGIN]['user'] = args.origin_user |
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if not args.origin_password is None: |
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config[mode.Client.ORIGIN]['password'] = args.origin_password |
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if not args.origin_key is None: |
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config[mode.Client.ORIGIN]['ssh_key'] = args.origin_key |
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if not args.origin_port is None: |
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config[mode.Client.ORIGIN]['port'] = args.origin_port |
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if not args.origin_dump_dir is None: |
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config[mode.Client.ORIGIN]['dump_dir'] = args.origin_dump_dir |
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if not args.origin_db_name is None: |
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config[mode.Client.ORIGIN]['db']['name'] = args.origin_db_name |
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if not args.origin_db_host is None: |
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config[mode.Client.ORIGIN]['db']['host'] = args.origin_db_host |
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if not args.origin_db_user is None: |
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config[mode.Client.ORIGIN]['db']['user'] = args.origin_db_user |
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if not args.origin_db_password is None: |
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config[mode.Client.ORIGIN]['db']['password'] = args.origin_db_password |
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if not args.origin_db_port is None: |
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config[mode.Client.ORIGIN]['db']['port'] = args.origin_db_port |
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return config |
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def check_options(): |
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""" |
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Checking configuration provided file |
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:return: |
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""" |
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global config |
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if 'dump_dir' in config[mode.Client.ORIGIN]: |
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config['default_origin_dump_dir'] = False |
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if 'dump_dir' in config[mode.Client.TARGET]: |
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config['default_target_dump_dir'] = False |
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if 'check_dump' in config: |
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config['check_dump'] = config['check_dump'] |
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link_configuration_with_hosts() |
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reverse_hosts() |
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mode.check_sync_mode() |
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def check_authorizations(): |
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""" |
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Checking authorization for clients |
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:return: |
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""" |
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check_authorization(mode.Client.ORIGIN) |
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check_authorization(mode.Client.TARGET) |
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def check_authorization(client): |
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""" |
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Checking arguments and fill options array |
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:param client: String |
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:return: |
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""" |
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# only need authorization if client is remote |
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if mode.is_remote(client): |
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# Workaround if no authorization is needed |
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if (mode.get_sync_mode() == mode.SyncMode.DUMP_REMOTE and |
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client == mode.Client.TARGET) or \ |
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(mode.get_sync_mode() == mode.SyncMode.DUMP_LOCAL and |
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client == mode.Client.ORIGIN) or \ |
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(mode.get_sync_mode() == mode.SyncMode.IMPORT_REMOTE and |
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client == mode.Client.ORIGIN): |
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return |
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# ssh key authorization |
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if config['force_password']: |
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config[client]['password'] = get_password_by_user(client) |
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elif 'ssh_key' in config[client]: |
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_ssh_key = config[client]['ssh_key'] |
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if not os.path.isfile(_ssh_key): |
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sys.exit( |
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output.message( |
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output.Subject.ERROR, |
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f'SSH {client} private key not found: {_ssh_key}', |
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False |
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) |
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) |
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elif 'password' in config[client]: |
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config[client]['password'] = config[client]['password'] |
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elif remote_utility.check_keys_from_ssh_agent(): |
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config['ssh_agent'] = True |
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else: |
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# user input authorization |
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config[client]['password'] = get_password_by_user(client) |
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if mode.get_sync_mode() == mode.SyncMode.DUMP_REMOTE and \ |
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client == mode.Client.ORIGIN and 'password' in \ |
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config[mode.Client.ORIGIN]: |
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config[mode.Client.TARGET]['password'] = config[mode.Client.ORIGIN]['password'] |
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def get_password_by_user(client): |
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""" |
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Getting password by user input |
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:param client: String |
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:return: String password |
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""" |
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_password = getpass.getpass( |
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output.message( |
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output.Subject.INFO, |
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'SSH password ' + helper.get_ssh_host_name(client, True) + ': ', |
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False |
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) |
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) |
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|
while _password.strip() == '': |
|
323
|
|
|
output.message( |
|
324
|
|
|
output.Subject.WARNING, |
|
325
|
|
|
'Password seems to be empty. Please enter a valid password.', |
|
326
|
|
|
True |
|
327
|
|
|
) |
|
328
|
|
|
|
|
329
|
|
|
_password = getpass.getpass( |
|
330
|
|
|
output.message( |
|
331
|
|
|
output.Subject.INFO, |
|
332
|
|
|
'SSH password ' + helper.get_ssh_host_name(client, True) + ': ', |
|
333
|
|
|
False |
|
334
|
|
|
) |
|
335
|
|
|
) |
|
336
|
|
|
|
|
337
|
|
|
return _password |
|
338
|
|
|
|
|
339
|
|
|
|
|
340
|
|
|
def check_args_options(config_file=None, |
|
|
|
|
|
|
341
|
|
|
verbose=False, |
|
342
|
|
|
yes=False, |
|
343
|
|
|
mute=False, |
|
344
|
|
|
dry_run=False, |
|
345
|
|
|
import_file=None, |
|
346
|
|
|
dump_name=None, |
|
347
|
|
|
keep_dump=None, |
|
348
|
|
|
host_file=None, |
|
349
|
|
|
clear=False, |
|
350
|
|
|
force_password=False, |
|
351
|
|
|
use_rsync=False, |
|
352
|
|
|
use_rsync_options=None, |
|
353
|
|
|
reverse=False): |
|
354
|
|
|
""" |
|
355
|
|
|
Checking arguments and fill options array |
|
356
|
|
|
:param config_file: |
|
357
|
|
|
:param verbose: |
|
358
|
|
|
:param yes: |
|
359
|
|
|
:param mute: |
|
360
|
|
|
:param dry_run: |
|
361
|
|
|
:param import_file: |
|
362
|
|
|
:param dump_name: |
|
363
|
|
|
:param keep_dump: |
|
364
|
|
|
:param host_file: |
|
365
|
|
|
:param clear: |
|
366
|
|
|
:param force_password: |
|
367
|
|
|
:param use_rsync: |
|
368
|
|
|
:param use_rsync_options: |
|
369
|
|
|
:param reverse: |
|
370
|
|
|
:return: |
|
371
|
|
|
""" |
|
372
|
|
|
global config |
|
|
|
|
|
|
373
|
|
|
global default_local_sync_path |
|
|
|
|
|
|
374
|
|
|
|
|
375
|
|
|
if not config_file is None: |
|
376
|
|
|
config['config_file_path'] = config_file |
|
377
|
|
|
|
|
378
|
|
|
if not verbose is None: |
|
379
|
|
|
config['verbose'] = verbose |
|
380
|
|
|
|
|
381
|
|
|
if not yes is None: |
|
382
|
|
|
config['yes'] = yes |
|
383
|
|
|
|
|
384
|
|
|
if not mute is None: |
|
385
|
|
|
config['mute'] = mute |
|
386
|
|
|
|
|
387
|
|
|
if not dry_run is None: |
|
388
|
|
|
config['dry_run'] = dry_run |
|
389
|
|
|
|
|
390
|
|
|
if dry_run: |
|
391
|
|
|
output.message( |
|
392
|
|
|
output.Subject.INFO, |
|
393
|
|
|
'Test mode: DRY RUN', |
|
394
|
|
|
True |
|
395
|
|
|
) |
|
396
|
|
|
|
|
397
|
|
|
if not import_file is None: |
|
398
|
|
|
config['import'] = import_file |
|
399
|
|
|
|
|
400
|
|
|
if not dump_name is None: |
|
401
|
|
|
config['dump_name'] = dump_name |
|
402
|
|
|
|
|
403
|
|
|
if not host_file is None: |
|
404
|
|
|
config['link_hosts'] = host_file |
|
405
|
|
|
|
|
406
|
|
|
if not clear is None: |
|
407
|
|
|
config['clear_database'] = clear |
|
408
|
|
|
|
|
409
|
|
|
if not force_password is None: |
|
410
|
|
|
config['force_password'] = force_password |
|
411
|
|
|
|
|
412
|
|
|
if not use_rsync is None: |
|
413
|
|
|
config['use_rsync'] = use_rsync |
|
414
|
|
|
|
|
415
|
|
|
if use_rsync is True: |
|
416
|
|
|
helper.check_rsync_version() |
|
417
|
|
|
helper.check_sshpass_version() |
|
418
|
|
|
|
|
419
|
|
|
if not use_rsync_options is None: |
|
420
|
|
|
config['use_rsync_options'] = use_rsync_options |
|
421
|
|
|
|
|
422
|
|
|
if not reverse is None: |
|
423
|
|
|
config['reverse'] = reverse |
|
424
|
|
|
|
|
425
|
|
|
if not keep_dump is None: |
|
426
|
|
|
default_local_sync_path = keep_dump |
|
427
|
|
|
|
|
428
|
|
|
# Adding trailing slash if necessary |
|
429
|
|
|
if default_local_sync_path[-1] != '/': |
|
430
|
|
|
default_local_sync_path += '/' |
|
431
|
|
|
|
|
432
|
|
|
config['keep_dump'] = True |
|
433
|
|
|
output.message( |
|
434
|
|
|
output.Subject.INFO, |
|
435
|
|
|
'"Keep dump" option chosen', |
|
436
|
|
|
True |
|
437
|
|
|
) |
|
438
|
|
|
|
|
439
|
|
|
|
|
440
|
|
|
def reverse_hosts(): |
|
441
|
|
|
""" |
|
442
|
|
|
Checking authorization for clients |
|
443
|
|
|
:return: |
|
444
|
|
|
""" |
|
445
|
|
|
if config['reverse']: |
|
|
|
|
|
|
446
|
|
|
_origin = config[mode.Client.ORIGIN] |
|
447
|
|
|
_target = config[mode.Client.TARGET] |
|
448
|
|
|
|
|
449
|
|
|
config[mode.Client.ORIGIN] = _target |
|
450
|
|
|
config[mode.Client.TARGET] = _origin |
|
451
|
|
|
|
|
452
|
|
|
output.message( |
|
453
|
|
|
output.Subject.INFO, |
|
454
|
|
|
'Reverse origin and target hosts', |
|
455
|
|
|
True |
|
456
|
|
|
) |
|
457
|
|
|
|
|
458
|
|
|
|
|
459
|
|
|
def link_configuration_with_hosts(): |
|
460
|
|
|
""" |
|
461
|
|
|
Merging the hosts definition with the given configuration file |
|
462
|
|
|
@ToDo Simplify function |
|
463
|
|
|
:return: |
|
464
|
|
|
""" |
|
465
|
|
|
if ('link' in config[mode.Client.ORIGIN] or 'link' in config[mode.Client.TARGET]) and config['link_hosts'] == '': |
|
|
|
|
|
|
466
|
|
|
# |
|
467
|
|
|
# Try to read host file path from link entry |
|
468
|
|
|
# |
|
469
|
|
|
_host = str(config[mode.Client.ORIGIN]['link'].split('@')[0]) if 'link' in config[mode.Client.ORIGIN] else '' |
|
|
|
|
|
|
470
|
|
|
_host = str(config[mode.Client.TARGET]['link'].split('@')[0]) if 'link' in config[mode.Client.TARGET] else _host |
|
|
|
|
|
|
471
|
|
|
|
|
472
|
|
|
config['link_hosts'] = _host |
|
473
|
|
|
|
|
474
|
|
|
if config['link_hosts'] == '': |
|
475
|
|
|
# Try to find default hosts.json file in same directory |
|
476
|
|
|
sys.exit( |
|
477
|
|
|
output.message( |
|
478
|
|
|
output.Subject.ERROR, |
|
479
|
|
|
f'Missing hosts file for linking hosts with configuration. ' |
|
|
|
|
|
|
480
|
|
|
f'Use the "-o" / "--hosts" argument to define the filepath for the hosts file, ' |
|
481
|
|
|
f'when using a link parameter within the configuration or define the the ' |
|
482
|
|
|
f'filepath direct in the link entry e.g. "host.yaml@entry1".', |
|
483
|
|
|
False |
|
484
|
|
|
) |
|
485
|
|
|
) |
|
486
|
|
|
|
|
487
|
|
|
if config['link_hosts'] != '': |
|
488
|
|
|
|
|
489
|
|
|
# Adjust filepath from relative to absolute |
|
490
|
|
|
if config['link_hosts'][0] != '/': |
|
491
|
|
|
config['link_hosts'] = os.path.dirname(os.path.abspath(config['config_file_path'])) + '/' + config['link_hosts'] |
|
|
|
|
|
|
492
|
|
|
|
|
493
|
|
|
if os.path.isfile(config['link_hosts']): |
|
494
|
|
|
with open(config['link_hosts'], 'r') as read_file: |
|
495
|
|
|
if config['link_hosts'].endswith('.json'): |
|
496
|
|
|
_hosts = json.load(read_file) |
|
497
|
|
|
elif config['link_hosts'].endswith('.yaml') or config['link_hosts'].endswith('.yml'): |
|
|
|
|
|
|
498
|
|
|
_hosts = yaml.safe_load(read_file) |
|
499
|
|
|
|
|
500
|
|
|
output.message( |
|
501
|
|
|
output.Subject.INFO, |
|
502
|
|
|
f'Linking configuration with hosts {output.CliFormat.BLACK}{config["link_hosts"]}{output.CliFormat.ENDC}', |
|
|
|
|
|
|
503
|
|
|
True |
|
504
|
|
|
) |
|
505
|
|
|
if not config['config_file_path'] is None: |
|
506
|
|
|
if 'link' in config[mode.Client.ORIGIN]: |
|
507
|
|
|
_host_name = str(config[mode.Client.ORIGIN]['link']).split('@')[1] |
|
508
|
|
|
if _host_name in _hosts: |
|
|
|
|
|
|
509
|
|
|
config[mode.Client.ORIGIN] = {**config[mode.Client.ORIGIN], **_hosts[_host_name]} |
|
|
|
|
|
|
510
|
|
|
|
|
511
|
|
|
if 'link' in config[mode.Client.TARGET]: |
|
512
|
|
|
_host_name = str(config[mode.Client.TARGET]['link']).split('@')[1] |
|
513
|
|
|
if _host_name in _hosts: |
|
514
|
|
|
config[mode.Client.TARGET] = {**config[mode.Client.TARGET], **_hosts[_host_name]} |
|
|
|
|
|
|
515
|
|
|
else: |
|
516
|
|
|
if 'link_target' in config and 'link_origin' in config: |
|
517
|
|
|
if config['link_target'] in _hosts and config['link_origin'] in _hosts: |
|
518
|
|
|
config[mode.Client.TARGET] = _hosts[config['link_target']] |
|
519
|
|
|
config[mode.Client.ORIGIN] = _hosts[config['link_origin']] |
|
520
|
|
|
else: |
|
521
|
|
|
sys.exit( |
|
522
|
|
|
output.message( |
|
523
|
|
|
output.Subject.ERROR, |
|
524
|
|
|
f'Misconfiguration of link hosts {config["link_origin"]}, ' |
|
525
|
|
|
f'{config["link_target"]} in {config["link_hosts"]}', |
|
526
|
|
|
False |
|
527
|
|
|
) |
|
528
|
|
|
) |
|
529
|
|
|
else: |
|
530
|
|
|
sys.exit( |
|
531
|
|
|
output.message( |
|
532
|
|
|
output.Subject.ERROR, |
|
533
|
|
|
f'Missing link hosts for {config["link_hosts"]}', |
|
534
|
|
|
False |
|
535
|
|
|
) |
|
536
|
|
|
) |
|
537
|
|
|
else: |
|
538
|
|
|
sys.exit( |
|
539
|
|
|
output.message( |
|
540
|
|
|
output.Subject.ERROR, |
|
541
|
|
|
f'Local host file not found: {config["link_hosts"]}', |
|
542
|
|
|
False |
|
543
|
|
|
) |
|
544
|
|
|
) |
|
545
|
|
|
|
jackd248 /
db-sync-tool
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