95 lines
3.2 KiB
Python
Executable File
95 lines
3.2 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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from datetime import datetime
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from hashlib import md5
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from swift.common.ring import Ring
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from swift.obj.diskfile import read_metadata
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from swift.common.utils import hash_path
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if __name__ == '__main__':
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if len(sys.argv) <= 1:
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print "Usage: %s OBJECT_FILE" % sys.argv[0]
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sys.exit(1)
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try:
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ring = Ring('/etc/swift/', ring_name='object')
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except Exception:
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ring = None
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datafile = sys.argv[1]
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fp = open(datafile, 'rb')
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metadata = read_metadata(fp)
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path = metadata.pop('name', '')
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content_type = metadata.pop('Content-Type', '')
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ts = metadata.pop('X-Timestamp', '')
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etag = metadata.pop('ETag', '')
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length = metadata.pop('Content-Length', '')
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if path:
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print 'Path: %s' % path
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account, container, obj = path.split('/', 3)[1:]
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print ' Account: %s' % account
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print ' Container: %s' % container
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print ' Object: %s' % obj
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obj_hash = hash_path(account, container, obj)
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print ' Object hash: %s' % obj_hash
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if ring is not None:
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print 'Ring locations:'
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part, nodes = ring.get_nodes(account, container, obj)
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for node in nodes:
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print (' %s:%s - /srv/node/%s/objects/%s/%s/%s/%s.data' %
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(node['ip'], node['port'], node['device'], part,
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obj_hash[-3:], obj_hash, ts))
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else:
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print 'Path: Not found in metadata'
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if content_type:
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print 'Content-Type: %s' % content_type
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else:
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print 'Content-Type: Not found in metadata'
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if ts:
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print 'Timestamp: %s (%s)' % (datetime.fromtimestamp(float(ts)), ts)
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else:
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print 'Timestamp: Not found in metadata'
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h = md5()
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file_len = 0
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while True:
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data = fp.read(64 * 1024)
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if not data:
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break
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h.update(data)
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file_len += len(data)
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h = h.hexdigest()
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if etag:
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if h == etag:
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print 'ETag: %s (valid)' % etag
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else:
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print "Etag: %s doesn't match file hash of %s!" % (etag, h)
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else:
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print 'ETag: Not found in metadata'
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if length:
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if file_len == int(length):
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print 'Content-Length: %s (valid)' % length
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else:
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print "Content-Length: %s doesn't match file length of %s" % (
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length, file_len)
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else:
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print 'Content-Length: Not found in metadata'
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print 'User Metadata: %s' % metadata
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print
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print 'note: /srv/node is used as default value of `devices`, the real '\
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'value is set in object-server.conf on each storage node.'
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fp.close()
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