84 lines
3.0 KiB
Python
Executable File
84 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright (c) 2010-2012 OpenStack Foundation
|
|
#
|
|
# 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 sys
|
|
import os
|
|
from optparse import OptionParser
|
|
|
|
from swift.common.ring import Ring
|
|
from swift.cli.info import print_item_locations, InfoSystemExit
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
usage = '''
|
|
Shows the nodes responsible for the item specified.
|
|
Usage: %prog [-a] <ring.gz> <account> [<container> [<object>]]
|
|
Or: %prog [-a] <ring.gz> -p partition
|
|
Or: %prog [-a] -P policy_name <account> <container> <object>
|
|
Note: account, container, object can also be a single arg separated by /
|
|
Example:
|
|
$ %prog -a /etc/swift/account.ring.gz MyAccount
|
|
Partition 5743883
|
|
Hash 96ae332a60b58910784e4417a03e1ad0
|
|
10.1.1.7:8000 sdd1
|
|
10.1.9.2:8000 sdb1
|
|
10.1.5.5:8000 sdf1
|
|
10.1.5.9:8000 sdt1 # [Handoff]
|
|
'''
|
|
parser = OptionParser(usage)
|
|
parser.add_option('-a', '--all', action='store_true',
|
|
help='Show all handoff nodes')
|
|
parser.add_option('-p', '--partition', metavar='PARTITION',
|
|
help='Show nodes for a given partition')
|
|
parser.add_option('-P', '--policy-name', dest='policy_name',
|
|
help='Specify which policy to use')
|
|
parser.add_option('-d', '--swift-dir', default='/etc/swift',
|
|
dest='swift_dir', help='Path to swift directory')
|
|
options, args = parser.parse_args()
|
|
|
|
# swift-get-nodes -P nada -p 1
|
|
if len(args) == 0:
|
|
if not options.policy_name or not options.partition:
|
|
sys.exit(parser.print_help())
|
|
elif len(args) > 4 or len(args) < 1:
|
|
sys.exit(parser.print_help())
|
|
|
|
# Parse single path arg, as noted in above help text.
|
|
# if len(args) == 1 and options.policy_name and '/' in args[0]:
|
|
if len(args) == 1 and not args[0].endswith('ring.gz'):
|
|
path = args[0].lstrip('/')
|
|
args = [p for p in path.split('/', 2) if p]
|
|
if len(args) == 2 and '/' in args[1]:
|
|
path = args[1].lstrip('/')
|
|
args = [args[0]] + [p for p in path.split('/', 2) if p]
|
|
|
|
ring = None
|
|
ring_name = None
|
|
|
|
if len(args) >= 1 and args[0].endswith('ring.gz'):
|
|
if os.path.exists(args[0]):
|
|
ring_name = args[0].rsplit('/', 1)[-1].split('.', 1)[0]
|
|
ring = Ring(args[0])
|
|
else:
|
|
print 'Ring file does not exist'
|
|
args.pop(0)
|
|
|
|
try:
|
|
print_item_locations(ring, ring_name, *args, **vars(options))
|
|
except InfoSystemExit:
|
|
sys.exit(1)
|