/usr/bin/swift-get-nodes is in swift 2.2.0-1+deb8u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# 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)
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