ekko/ekko/manifest/structure.py

43 lines
1.6 KiB
Python

# Copyright 2016 Sam Yaple
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import time
from uuid import uuid4 as uuid
class Metadata(object):
def __init__(self, incremental, sectors, segment_size=None,
timestamp=None, backupsets=None, backupset_id=None):
self.timestamp = timestamp if timestamp else time.time()
self.sectors = sectors
self.incremental = incremental
self.segment_size = 4 * 1024 ** 2 # 4MiB
self.backupset_id = backupset_id if backupset_id else uuid().bytes
self.backupsets = backupsets if backupsets else [self.backupset_id]
class Segment(object):
__slots__ = ['backupset_id', 'incremental', 'segment',
'compression', 'encryption', 'segment_hash']
def __init__(self, backupset_id, incremental, segment,
compression, encryption, segment_hash):
self.backupset_id = backupset_id
self.incremental = incremental
self.segment = segment
self.compression = compression
self.encryption = encryption
self.segment_hash = segment_hash