136 lines
5.4 KiB
Python
136 lines
5.4 KiB
Python
"""
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Copyright 2014 Hewlett-Packard
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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This product includes cryptographic software written by Eric Young
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(eay@cryptsoft.com). This product includes software written by Tim
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Hudson (tjh@cryptsoft.com).
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========================================================================
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Freezer main execution function
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"""
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from freezer.utils import (
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start_time, elapsed_time, set_backup_level,
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check_backup_existance)
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from freezer.swift import (
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get_client, get_containers_list, show_containers,
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check_container_existance, get_container_content, remove_obj_older_than,
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show_objects, create_containers)
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from freezer.backup import (
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backup_mode_fs, backup_mode_mongo, backup_mode_mysql)
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from freezer.restore import restore_fs
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import logging
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def freezer_main(backup_args):
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"""Freezer Main execution function.
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This main function is a wrapper for most
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of the other functions. By calling main() the program execution start
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and the respective actions are taken. If you want only use the single
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function is probably better to not import main()
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"""
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# Computing execution start datetime and Timestamp
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(time_stamp, today_start) = start_time()
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# Add timestamp to the arguments namespace
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backup_args.__dict__['time_stamp'] = time_stamp
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# Initialize the swift connector and store it in the same dict passed
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# as argument under the dict.sw_connector namespace. This is helpful
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# so the swift client object doesn't need to be initialized every time
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backup_args = get_client(backup_args)
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# Get the list of the containers
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backup_args = get_containers_list(backup_args)
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if backup_args.action == 'info' or backup_args.list_container or \
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backup_args.list_objects:
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if backup_args.list_container:
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show_containers(backup_args)
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elif backup_args.list_objects:
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containers = check_container_existance(backup_args)
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if containers['main_container'] is not True:
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logging.critical(
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'[*] Container {0} not available'.format(
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backup_args.container))
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return False
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backup_args = get_container_content(backup_args)
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show_objects(backup_args)
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else:
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logging.warning(
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'[*] No retrieving info options were set. Exiting.')
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elapsed_time(today_start)
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return False
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elapsed_time(today_start)
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return True
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if backup_args.action == 'restore':
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logging.info('[*] Executing FS restore...')
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# Check if the provided container already exists in swift.
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containers = check_container_existance(backup_args)
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if containers['main_container'] is not True:
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exc_msg = ('[*] Container: {0} not found. Please provide an '
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'existing container.'.format(backup_args.container))
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logging.critical(exc_msg)
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raise ValueError(exc_msg)
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# Get the object list of the remote containers and store it in the
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# same dict passes as argument under the dict.remote_obj_list namespace
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backup_args = get_container_content(backup_args)
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restore_fs(backup_args)
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if backup_args.action == 'backup':
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# Check if the provided container already exists in swift.
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containers = check_container_existance(backup_args)
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if containers['main_container'] is not True:
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create_containers(backup_args)
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# Get the object list of the remote containers and store it in the
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# same dict passes as argument under the dict.remote_obj_list namespace
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backup_args = get_container_content(backup_args)
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# Check if a backup exist in swift with same name. If not, set
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# backup level to 0
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manifest_meta_dict = check_backup_existance(backup_args)
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# Set the right backup level for incremental backup
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(backup_args, manifest_meta_dict) = set_backup_level(
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backup_args, manifest_meta_dict)
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backup_args.manifest_meta_dict = manifest_meta_dict
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# File system backup mode selected
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if backup_args.mode == 'fs':
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backup_mode_fs(backup_args, time_stamp, manifest_meta_dict)
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elif backup_args.mode == 'mongo':
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backup_mode_mongo(backup_args, time_stamp, manifest_meta_dict)
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elif backup_args.mode == 'mysql':
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backup_mode_mysql(backup_args, time_stamp, manifest_meta_dict)
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else:
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logging.critical('[*] Error: Please provide a valid backup mode')
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raise ValueError
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# Admin tasks code should go here, before moving it on a dedicated module
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if backup_args.action == 'admin' or backup_args.remove_older_than:
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# Remove backups older if set.
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backup_args = get_container_content(backup_args)
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remove_obj_older_than(backup_args)
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# Compute elapsed time
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elapsed_time(today_start)
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