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expire-snapshots.py
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expire-snapshots.py
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#!/usr/bin/env python
# Copyright (c) 2012 Steffen Opel http://opelbrothers.net/
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
from botocross.ec2 import *
from pprint import pprint
import argparse
import boto
import boto.ec2
import botocross as bc
import logging
# configure command line argument parsing
parser = argparse.ArgumentParser(description='Expire snapshots of EBS volumes in all/some available EC2 regions',
parents=[bc.build_region_parser(), bc.build_filter_parser('EBS volume'),
bc.build_backup_parser('EBS volume', True, 1), bc.build_common_parser()])
args = parser.parse_args()
# process common command line arguments
log = logging.getLogger('botocross')
bc.configure_logging(log, args.log_level)
credentials = bc.parse_credentials(args)
regions = bc.filter_regions(boto.ec2.regions(), args.region)
filter = bc.build_filter(args.filter, args.exclude)
# execute business logic
log.info("Expire EBS snapshots")
for region in regions:
try:
ec2 = boto.connect_ec2(region=region, **credentials)
# NOTE: Not filtering by id allows expiring snapshots of deregistered volumes as well.
volumes = ec2.get_all_volumes(filters=filter['filters'])
if filter['excludes']:
exclusions = ec2.get_all_volumes(filters=filter['excludes'])
volumes = bc.filter_list_by_attribute(volumes, exclusions, 'id')
volume_ids = [volume.id for volume in volumes]
if args.resource_ids:
volume_ids.extend(args.resource_ids)
print region.name + ": " + str(len(volumes)) + " volumes / " + str(len(volume_ids)) + " volume IDs"
expire_snapshots(ec2, volume_ids, args.backup_set, args.backup_retention, args.no_origin_safeguard)
except boto.exception.BotoServerError, e:
log.error(e.error_message)