6cc10d17de
swift-container-info:
Print policy container info
swift-object-info:
Allow to specify storage policy name when looking for object info
Notify if there is missmatch between ring location and the actual
object path in filesystem
swift-get-nodes:
Allow to specify storage policy name when looking for account/
container/object ring location
Notify if there is missmatch between ring and the policy
Lookup policy name in swift.conf; 'Legacy' container will use
policy-0's name; 'Unknown' is shown if policy not found in swift.conf
DocImpact
Implements: blueprint storage-policies
Change-Id: I450d40dc6e2d8f759187dff36d658e52737ae2a5
84 lines
3.0 KiB
Python
Executable File
84 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2010-2012 OpenStack Foundation
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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
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# 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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import sys
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import os
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from optparse import OptionParser
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from swift.common.ring import Ring
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from swift.cli.info import print_item_locations, InfoSystemExit
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if __name__ == '__main__':
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usage = '''
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Shows the nodes responsible for the item specified.
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Usage: %prog [-a] <ring.gz> <account> [<container>] [<object>]
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Or: %prog [-a] <ring.gz> -p partition
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Or: %prog [-a] -P policy_name <account> <container> <object>
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Note: account, container, object can also be a single arg separated by /
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Example:
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$ %prog -a /etc/swift/account.ring.gz MyAccount
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Partition 5743883
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Hash 96ae332a60b58910784e4417a03e1ad0
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10.1.1.7:8000 sdd1
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10.1.9.2:8000 sdb1
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10.1.5.5:8000 sdf1
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10.1.5.9:8000 sdt1 # [Handoff]
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'''
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parser = OptionParser(usage)
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parser.add_option('-a', '--all', action='store_true',
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help='Show all handoff nodes')
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parser.add_option('-p', '--partition', metavar='PARTITION',
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help='Show nodes for a given partition')
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parser.add_option('-P', '--policy-name', dest='policy_name',
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help='Specify which policy to use')
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parser.add_option('-d', '--swift-dir', default='/etc/swift',
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dest='swift_dir', help='Path to swift directory')
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options, args = parser.parse_args()
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# swift-get-nodes -P nada -p 1
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if len(args) == 0:
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if not options.policy_name or not options.partition:
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sys.exit(parser.print_help())
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elif len(args) > 4 or len(args) < 1:
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sys.exit(parser.print_help())
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# Parse single path arg, as noted in above help text.
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# if len(args) == 1 and options.policy_name and '/' in args[0]:
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if len(args) == 1 and not args[0].endswith('ring.gz'):
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path = args[0].lstrip('/')
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args = [p for p in path.split('/', 2) if p]
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if len(args) == 2 and '/' in args[1]:
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path = args[1].lstrip('/')
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args = [args[0]] + [p for p in path.split('/', 2) if p]
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ring = None
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ring_name = None
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if len(args) >= 1 and args[0].endswith('ring.gz'):
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if os.path.exists(args[0]):
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ring_name = args[0].rsplit('/', 1)[-1].split('.', 1)[0]
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ring = Ring(args[0])
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else:
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print 'Ring file does not exist'
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args.pop(0)
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try:
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print_item_locations(ring, ring_name, *args, **vars(options))
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except InfoSystemExit:
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sys.exit(1)
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