root / snf-pithos-tools / pithos / tools / fs.py @ 6f6cec5a
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1 | 51f905a2 | Giorgos Verigakis | #!/usr/bin/env python
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2 | 51f905a2 | Giorgos Verigakis | |
3 | 2e662088 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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4 | 51f905a2 | Giorgos Verigakis | #
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5 | 51f905a2 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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6 | 51f905a2 | Giorgos Verigakis | # without modification, are permitted provided that the following
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7 | 51f905a2 | Giorgos Verigakis | # conditions are met:
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8 | 51f905a2 | Giorgos Verigakis | #
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9 | 51f905a2 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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10 | 51f905a2 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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11 | 51f905a2 | Giorgos Verigakis | # disclaimer.
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12 | 51f905a2 | Giorgos Verigakis | #
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13 | 51f905a2 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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14 | 51f905a2 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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15 | 51f905a2 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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16 | 51f905a2 | Giorgos Verigakis | # provided with the distribution.
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17 | 51f905a2 | Giorgos Verigakis | #
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18 | 51f905a2 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | 51f905a2 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | 51f905a2 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | 51f905a2 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | 51f905a2 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | 51f905a2 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | 51f905a2 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | 51f905a2 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | 51f905a2 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | 51f905a2 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | 51f905a2 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | 51f905a2 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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30 | 51f905a2 | Giorgos Verigakis | #
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31 | 51f905a2 | Giorgos Verigakis | # The views and conclusions contained in the software and
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32 | 51f905a2 | Giorgos Verigakis | # documentation are those of the authors and should not be
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33 | 51f905a2 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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34 | 51f905a2 | Giorgos Verigakis | # or implied, of GRNET S.A.
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35 | 51f905a2 | Giorgos Verigakis | |
36 | 51f905a2 | Giorgos Verigakis | from cStringIO import StringIO |
37 | 51f905a2 | Giorgos Verigakis | from errno import (EACCES, EBADF, EINVAL, EISDIR, EIO, ENOENT, ENOTDIR, |
38 | 51f905a2 | Giorgos Verigakis | ENOTEMPTY) |
39 | 51f905a2 | Giorgos Verigakis | from getpass import getuser |
40 | 51f905a2 | Giorgos Verigakis | from stat import S_IFDIR, S_IFREG |
41 | 51f905a2 | Giorgos Verigakis | from sys import argv |
42 | 51f905a2 | Giorgos Verigakis | from time import time |
43 | 51f905a2 | Giorgos Verigakis | |
44 | 6e147ecc | Antony Chazapis | from synnefo.lib.parsedate import parse_http_date |
45 | 6e147ecc | Antony Chazapis | |
46 | 6e147ecc | Antony Chazapis | from pithos.tools.lib.client import OOS_Client, Fault |
47 | 6e147ecc | Antony Chazapis | from pithos.tools.lib.fuse import FUSE, FuseOSError, Operations |
48 | 6e147ecc | Antony Chazapis | from pithos.tools.lib.util import get_user, get_auth, get_url |
49 | 51f905a2 | Giorgos Verigakis | |
50 | 51f905a2 | Giorgos Verigakis | |
51 | 51f905a2 | Giorgos Verigakis | epoch = int(time())
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52 | 51f905a2 | Giorgos Verigakis | |
53 | 51f905a2 | Giorgos Verigakis | |
54 | 51f905a2 | Giorgos Verigakis | class StoreFS(Operations): |
55 | 2152daa0 | Giorgos Verigakis | def __init__(self, verbose=False): |
56 | 51f905a2 | Giorgos Verigakis | self.verbose = verbose
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57 | 43cc6f76 | Sofia Papagiannaki | self.client = OOS_Client(get_url(), get_auth(), get_user())
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58 | 51f905a2 | Giorgos Verigakis | |
59 | 51f905a2 | Giorgos Verigakis | def __call__(self, op, path, *args): |
60 | 51f905a2 | Giorgos Verigakis | container, sep, object = path[1:].partition('/') |
61 | 51f905a2 | Giorgos Verigakis | if self.verbose: |
62 | 51f905a2 | Giorgos Verigakis | data = repr(args)[:100] |
63 | 51f905a2 | Giorgos Verigakis | print '-> %s %r %r %r' % (op, container, object, data) |
64 | 51f905a2 | Giorgos Verigakis | ret = '[Unhandled Exception]'
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65 | 51f905a2 | Giorgos Verigakis | |
66 | 51f905a2 | Giorgos Verigakis | try:
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67 | 51f905a2 | Giorgos Verigakis | if object: |
68 | 71c0f614 | Giorgos Verigakis | func = getattr(self, 'object_' + op, None) |
69 | 71c0f614 | Giorgos Verigakis | funcargs = (container, object) + args
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70 | 51f905a2 | Giorgos Verigakis | elif container:
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71 | 71c0f614 | Giorgos Verigakis | func = getattr(self, 'container_' + op, None) |
72 | 71c0f614 | Giorgos Verigakis | funcargs = (container,) + args |
73 | 51f905a2 | Giorgos Verigakis | else:
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74 | 71c0f614 | Giorgos Verigakis | func = getattr(self, 'account_' + op, None) |
75 | 71c0f614 | Giorgos Verigakis | funcargs = args |
76 | 71c0f614 | Giorgos Verigakis | |
77 | 71c0f614 | Giorgos Verigakis | if not func: |
78 | 71c0f614 | Giorgos Verigakis | # Fallback to defaults
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79 | 71c0f614 | Giorgos Verigakis | func = getattr(self, op) |
80 | 71c0f614 | Giorgos Verigakis | funcargs = (path,) + args |
81 | 71c0f614 | Giorgos Verigakis | |
82 | 71c0f614 | Giorgos Verigakis | ret = func(*funcargs) |
83 | 51f905a2 | Giorgos Verigakis | return ret
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84 | 51f905a2 | Giorgos Verigakis | except FuseOSError, e:
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85 | 51f905a2 | Giorgos Verigakis | ret = str(e)
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86 | 51f905a2 | Giorgos Verigakis | raise
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87 | 51f905a2 | Giorgos Verigakis | finally:
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88 | 51f905a2 | Giorgos Verigakis | if self.verbose: |
89 | 51f905a2 | Giorgos Verigakis | print '<-', op, repr(ret) |
90 | 51f905a2 | Giorgos Verigakis | |
91 | 51f905a2 | Giorgos Verigakis | |
92 | 51f905a2 | Giorgos Verigakis | def _get_container_meta(self, container, **kwargs): |
93 | 51f905a2 | Giorgos Verigakis | try:
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94 | 51f905a2 | Giorgos Verigakis | return self.client.retrieve_container_metadata(container, **kwargs) |
95 | 51f905a2 | Giorgos Verigakis | except Fault:
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96 | 51f905a2 | Giorgos Verigakis | raise FuseOSError(ENOENT)
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97 | 51f905a2 | Giorgos Verigakis | |
98 | 51f905a2 | Giorgos Verigakis | def _get_object_meta(self, container, object, **kwargs): |
99 | 51f905a2 | Giorgos Verigakis | try:
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100 | 51f905a2 | Giorgos Verigakis | return self.client.retrieve_object_metadata(container, object, |
101 | 51f905a2 | Giorgos Verigakis | **kwargs) |
102 | 51f905a2 | Giorgos Verigakis | except Fault:
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103 | 51f905a2 | Giorgos Verigakis | raise FuseOSError(ENOENT)
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104 | 51f905a2 | Giorgos Verigakis | |
105 | 51f905a2 | Giorgos Verigakis | |
106 | 51f905a2 | Giorgos Verigakis | # Global
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107 | 51f905a2 | Giorgos Verigakis | |
108 | 51f905a2 | Giorgos Verigakis | def statfs(self, path): |
109 | 51f905a2 | Giorgos Verigakis | return dict(f_bsize=1024, f_blocks=1024**2, f_bfree=1024**2, |
110 | 51f905a2 | Giorgos Verigakis | f_bavail=1024**2) |
111 | 51f905a2 | Giorgos Verigakis | |
112 | 51f905a2 | Giorgos Verigakis | |
113 | 51f905a2 | Giorgos Verigakis | # Account Level
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114 | 51f905a2 | Giorgos Verigakis | |
115 | 51f905a2 | Giorgos Verigakis | def account_chmod(self, mode): |
116 | 71c0f614 | Giorgos Verigakis | self.client.update_account_metadata(mode=str(mode)) |
117 | 51f905a2 | Giorgos Verigakis | |
118 | 51f905a2 | Giorgos Verigakis | def account_chown(self, uid, gid): |
119 | 51f905a2 | Giorgos Verigakis | self.client.update_account_metadata(uid=uid, gid=gid)
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120 | 51f905a2 | Giorgos Verigakis | |
121 | 51f905a2 | Giorgos Verigakis | def account_getattr(self, fh=None): |
122 | 71c0f614 | Giorgos Verigakis | meta = self.client.retrieve_account_metadata()
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123 | 51f905a2 | Giorgos Verigakis | mode = int(meta.get('x-account-meta-mode', 0755)) |
124 | 71c0f614 | Giorgos Verigakis | last_modified = meta.get('last-modified', None) |
125 | 71c0f614 | Giorgos Verigakis | modified = parse_http_date(last_modified) if last_modified else epoch |
126 | 51f905a2 | Giorgos Verigakis | count = int(meta['x-account-container-count']) |
127 | 51f905a2 | Giorgos Verigakis | uid = int(meta.get('x-account-meta-uid', 0)) |
128 | 51f905a2 | Giorgos Verigakis | gid = int(meta.get('x-account-meta-gid', 0)) |
129 | 51f905a2 | Giorgos Verigakis | |
130 | 51f905a2 | Giorgos Verigakis | return {
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131 | 51f905a2 | Giorgos Verigakis | 'st_mode': S_IFDIR | mode,
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132 | 51f905a2 | Giorgos Verigakis | 'st_nlink': 2 + count, |
133 | 51f905a2 | Giorgos Verigakis | 'st_uid': uid,
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134 | 51f905a2 | Giorgos Verigakis | 'st_gid': gid,
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135 | 51f905a2 | Giorgos Verigakis | 'st_ctime': epoch,
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136 | 51f905a2 | Giorgos Verigakis | 'st_mtime': modified,
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137 | 51f905a2 | Giorgos Verigakis | 'st_atime': modified}
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138 | 51f905a2 | Giorgos Verigakis | |
139 | 51f905a2 | Giorgos Verigakis | def account_getxattr(self, name, position=0): |
140 | 51f905a2 | Giorgos Verigakis | meta = self.client.retrieve_account_metadata(restricted=True) |
141 | 51f905a2 | Giorgos Verigakis | return meta.get('xattr-' + name, '') |
142 | 51f905a2 | Giorgos Verigakis | |
143 | 51f905a2 | Giorgos Verigakis | def account_listxattr(self): |
144 | 51f905a2 | Giorgos Verigakis | meta = self.client.retrieve_account_metadata(restricted=True) |
145 | 51f905a2 | Giorgos Verigakis | prefix = 'xattr-'
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146 | 51f905a2 | Giorgos Verigakis | return [k[len(prefix):] for k in meta if k.startswith(prefix)] |
147 | 51f905a2 | Giorgos Verigakis | |
148 | 51f905a2 | Giorgos Verigakis | def account_readdir(self, fh): |
149 | 2152daa0 | Giorgos Verigakis | return ['.', '..'] + self.client.list_containers() or [] |
150 | 51f905a2 | Giorgos Verigakis | |
151 | 51f905a2 | Giorgos Verigakis | def account_removexattr(self, name): |
152 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
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153 | 51f905a2 | Giorgos Verigakis | self.client.delete_account_metadata([attr])
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154 | 51f905a2 | Giorgos Verigakis | |
155 | 51f905a2 | Giorgos Verigakis | def account_setxattr(self, name, value, options, position=0): |
156 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
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157 | 51f905a2 | Giorgos Verigakis | meta = {attr: value} |
158 | 51f905a2 | Giorgos Verigakis | self.client.update_account_metadata(**meta)
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159 | 51f905a2 | Giorgos Verigakis | |
160 | 51f905a2 | Giorgos Verigakis | |
161 | 51f905a2 | Giorgos Verigakis | # Container Level
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162 | 51f905a2 | Giorgos Verigakis | |
163 | 51f905a2 | Giorgos Verigakis | def container_chmod(self, container, mode): |
164 | 71c0f614 | Giorgos Verigakis | self.client.update_container_metadata(container, mode=str(mode)) |
165 | 51f905a2 | Giorgos Verigakis | |
166 | 51f905a2 | Giorgos Verigakis | def container_chown(self, container, uid, gid): |
167 | 51f905a2 | Giorgos Verigakis | self.client.update_container_metadata(container, uid=uid, gid=gid)
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168 | 51f905a2 | Giorgos Verigakis | |
169 | 51f905a2 | Giorgos Verigakis | def container_getattr(self, container, fh=None): |
170 | 51f905a2 | Giorgos Verigakis | meta = self._get_container_meta(container)
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171 | 51f905a2 | Giorgos Verigakis | mode = int(meta.get('x-container-meta-mode', 0755)) |
172 | 51f905a2 | Giorgos Verigakis | modified = parse_http_date(meta['last-modified'])
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173 | 51f905a2 | Giorgos Verigakis | count = int(meta['x-container-object-count']) |
174 | 51f905a2 | Giorgos Verigakis | uid = int(meta.get('x-account-meta-uid', 0)) |
175 | 51f905a2 | Giorgos Verigakis | gid = int(meta.get('x-account-meta-gid', 0)) |
176 | 51f905a2 | Giorgos Verigakis | |
177 | 51f905a2 | Giorgos Verigakis | return {
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178 | 51f905a2 | Giorgos Verigakis | 'st_mode': S_IFDIR | mode,
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179 | 51f905a2 | Giorgos Verigakis | 'st_nlink': 2 + count, |
180 | 51f905a2 | Giorgos Verigakis | 'st_uid': uid,
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181 | 51f905a2 | Giorgos Verigakis | 'st_gid': gid,
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182 | 51f905a2 | Giorgos Verigakis | 'st_ctime': epoch,
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183 | 51f905a2 | Giorgos Verigakis | 'st_mtime': modified,
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184 | 51f905a2 | Giorgos Verigakis | 'st_atime': modified}
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185 | 51f905a2 | Giorgos Verigakis | |
186 | 51f905a2 | Giorgos Verigakis | def container_getxattr(self, container, name, position=0): |
187 | 51f905a2 | Giorgos Verigakis | meta = self._get_container_meta(container)
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188 | 51f905a2 | Giorgos Verigakis | return meta.get('xattr-' + name, '') |
189 | 51f905a2 | Giorgos Verigakis | |
190 | 51f905a2 | Giorgos Verigakis | def container_listxattr(self, container): |
191 | 51f905a2 | Giorgos Verigakis | meta = self._get_container_meta(container, restricted=True) |
192 | 51f905a2 | Giorgos Verigakis | prefix = 'xattr-'
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193 | 51f905a2 | Giorgos Verigakis | return [k[len(prefix):] for k in meta if k.startswith(prefix)] |
194 | 51f905a2 | Giorgos Verigakis | |
195 | 51f905a2 | Giorgos Verigakis | def container_mkdir(self, container, mode): |
196 | 71c0f614 | Giorgos Verigakis | mode = str(mode & 0777) |
197 | 71c0f614 | Giorgos Verigakis | self.client.create_container(container, mode=mode)
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198 | 51f905a2 | Giorgos Verigakis | |
199 | 51f905a2 | Giorgos Verigakis | def container_readdir(self, container, fh): |
200 | 2152daa0 | Giorgos Verigakis | objects = self.client.list_objects(container, delimiter='/', prefix='') |
201 | 51f905a2 | Giorgos Verigakis | files = [o for o in objects if not o.endswith('/')] |
202 | 51f905a2 | Giorgos Verigakis | return ['.', '..'] + files |
203 | 51f905a2 | Giorgos Verigakis | |
204 | 51f905a2 | Giorgos Verigakis | def container_removexattr(self, container, name): |
205 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
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206 | 51f905a2 | Giorgos Verigakis | self.client.delete_container_metadata(container, [attr])
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207 | 51f905a2 | Giorgos Verigakis | |
208 | 51f905a2 | Giorgos Verigakis | def container_rename(self, container, path): |
209 | 51f905a2 | Giorgos Verigakis | new_container, sep, new_object = path[1:].partition('/') |
210 | 51f905a2 | Giorgos Verigakis | if not new_container or new_object: |
211 | 51f905a2 | Giorgos Verigakis | raise FuseOSError(EINVAL)
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212 | 51f905a2 | Giorgos Verigakis | self.client.delete_container(container)
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213 | 51f905a2 | Giorgos Verigakis | self.client.create_container(new_container)
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214 | 51f905a2 | Giorgos Verigakis | |
215 | 51f905a2 | Giorgos Verigakis | def container_rmdir(self, container): |
216 | 51f905a2 | Giorgos Verigakis | try:
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217 | 51f905a2 | Giorgos Verigakis | self.client.delete_container(container)
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218 | 51f905a2 | Giorgos Verigakis | except Fault:
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219 | 51f905a2 | Giorgos Verigakis | raise FuseOSError(ENOENT)
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220 | 51f905a2 | Giorgos Verigakis | |
221 | 51f905a2 | Giorgos Verigakis | def container_setxattr(self, container, name, value, options, position=0): |
222 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
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223 | 51f905a2 | Giorgos Verigakis | meta = {attr: value} |
224 | 51f905a2 | Giorgos Verigakis | self.client.update_container_metadata(container, **meta)
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225 | 51f905a2 | Giorgos Verigakis | |
226 | 51f905a2 | Giorgos Verigakis | |
227 | 51f905a2 | Giorgos Verigakis | # Object Level
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228 | 51f905a2 | Giorgos Verigakis | |
229 | 51f905a2 | Giorgos Verigakis | def object_chmod(self, container, object, mode): |
230 | 71c0f614 | Giorgos Verigakis | self.client.update_object_metadata(container, object, mode=str(mode)) |
231 | 51f905a2 | Giorgos Verigakis | |
232 | 51f905a2 | Giorgos Verigakis | def object_chown(self, container, uid, gid): |
233 | 71c0f614 | Giorgos Verigakis | self.client.update_object_metadata(container, object, |
234 | 71c0f614 | Giorgos Verigakis | uid=str(uid), gid=str(gid)) |
235 | 51f905a2 | Giorgos Verigakis | |
236 | 51f905a2 | Giorgos Verigakis | def object_create(self, container, object, mode, fi=None): |
237 | 51f905a2 | Giorgos Verigakis | mode &= 0777
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238 | 71c0f614 | Giorgos Verigakis | self.client.create_object(container, object, |
239 | 71c0f614 | Giorgos Verigakis | f=None,
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240 | 71c0f614 | Giorgos Verigakis | content_type='application/octet-stream',
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241 | 71c0f614 | Giorgos Verigakis | mode=str(mode))
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242 | 51f905a2 | Giorgos Verigakis | return 0 |
243 | 51f905a2 | Giorgos Verigakis | |
244 | 51f905a2 | Giorgos Verigakis | def object_getattr(self, container, object, fh=None): |
245 | 51f905a2 | Giorgos Verigakis | meta = self._get_object_meta(container, object) |
246 | 51f905a2 | Giorgos Verigakis | modified = parse_http_date(meta['last-modified'])
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247 | 51f905a2 | Giorgos Verigakis | uid = int(meta.get('x-account-meta-uid', 0)) |
248 | 51f905a2 | Giorgos Verigakis | gid = int(meta.get('x-account-meta-gid', 0)) |
249 | 2152daa0 | Giorgos Verigakis | size = int(meta.get('content-length', 0)) |
250 | 51f905a2 | Giorgos Verigakis | |
251 | 692485cc | Antony Chazapis | if meta['content-type'].split(';', 1)[0].strip() == 'application/directory': |
252 | 2152daa0 | Giorgos Verigakis | mode = int(meta.get('x-object-meta-mode', 0755)) |
253 | 51f905a2 | Giorgos Verigakis | flags = S_IFDIR |
254 | 51f905a2 | Giorgos Verigakis | nlink = 2
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255 | 51f905a2 | Giorgos Verigakis | else:
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256 | 2152daa0 | Giorgos Verigakis | mode = int(meta.get('x-object-meta-mode', 0644)) |
257 | 51f905a2 | Giorgos Verigakis | flags = S_IFREG |
258 | 51f905a2 | Giorgos Verigakis | nlink = 1
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259 | 51f905a2 | Giorgos Verigakis | |
260 | 51f905a2 | Giorgos Verigakis | return {
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261 | 51f905a2 | Giorgos Verigakis | 'st_mode': flags | mode,
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262 | 51f905a2 | Giorgos Verigakis | 'st_nlink': nlink,
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263 | 51f905a2 | Giorgos Verigakis | 'st_uid': uid,
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264 | 51f905a2 | Giorgos Verigakis | 'st_gid': gid,
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265 | 51f905a2 | Giorgos Verigakis | 'st_ctime': epoch,
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266 | 51f905a2 | Giorgos Verigakis | 'st_mtime': modified,
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267 | 51f905a2 | Giorgos Verigakis | 'st_atime': modified,
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268 | 51f905a2 | Giorgos Verigakis | 'st_size': size}
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269 | 51f905a2 | Giorgos Verigakis | |
270 | 51f905a2 | Giorgos Verigakis | def object_getxattr(self, container, object, name, position=0): |
271 | 51f905a2 | Giorgos Verigakis | meta = self._get_object_meta(container, object, restricted=True) |
272 | 51f905a2 | Giorgos Verigakis | return meta.get('xattr-' + name, '') |
273 | 51f905a2 | Giorgos Verigakis | |
274 | 51f905a2 | Giorgos Verigakis | def object_listxattr(self, container, object): |
275 | 51f905a2 | Giorgos Verigakis | meta = self._get_object_meta(container, object, restricted=True) |
276 | 51f905a2 | Giorgos Verigakis | prefix = 'xattr-'
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277 | 51f905a2 | Giorgos Verigakis | return [k[len(prefix):] for k in meta if k.startswith(prefix)] |
278 | 51f905a2 | Giorgos Verigakis | |
279 | 51f905a2 | Giorgos Verigakis | def object_mkdir(self, container, object, mode): |
280 | 71c0f614 | Giorgos Verigakis | mode = str(mode & 0777) |
281 | 51f905a2 | Giorgos Verigakis | self.client.create_directory_marker(container, object) |
282 | 51f905a2 | Giorgos Verigakis | self.client.update_object_metadata(container, object, mode=mode) |
283 | 51f905a2 | Giorgos Verigakis | |
284 | 51f905a2 | Giorgos Verigakis | def object_read(self, container, object, nbyte, offset, fh): |
285 | 51f905a2 | Giorgos Verigakis | data = self.client.retrieve_object(container, object) |
286 | 51f905a2 | Giorgos Verigakis | return data[offset:offset + nbyte]
|
287 | 51f905a2 | Giorgos Verigakis | |
288 | 51f905a2 | Giorgos Verigakis | def object_readdir(self, container, object, fh): |
289 | 2152daa0 | Giorgos Verigakis | objects = self.client.list_objects(container, delimiter='/', |
290 | 2152daa0 | Giorgos Verigakis | prefix=object)
|
291 | 51f905a2 | Giorgos Verigakis | files = [o.rpartition('/')[2] for o in objects if not o.endswith('/')] |
292 | 51f905a2 | Giorgos Verigakis | return ['.', '..'] + files |
293 | 51f905a2 | Giorgos Verigakis | |
294 | 51f905a2 | Giorgos Verigakis | def object_removexattr(self, container, object, name): |
295 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
|
296 | 51f905a2 | Giorgos Verigakis | self.client.delete_object_metadata(container, object, [attr]) |
297 | 51f905a2 | Giorgos Verigakis | |
298 | 51f905a2 | Giorgos Verigakis | def object_rename(self, container, object, path): |
299 | 51f905a2 | Giorgos Verigakis | new_container, sep, new_object = path[1:].partition('/') |
300 | 51f905a2 | Giorgos Verigakis | if not new_container or not new_object: |
301 | 51f905a2 | Giorgos Verigakis | raise FuseOSError(EINVAL)
|
302 | 51f905a2 | Giorgos Verigakis | self.client.move_object(container, object, new_container, new_object) |
303 | 51f905a2 | Giorgos Verigakis | |
304 | 51f905a2 | Giorgos Verigakis | def object_rmdir(self, container, object): |
305 | 51f905a2 | Giorgos Verigakis | self.client.delete_object(container, object) |
306 | 51f905a2 | Giorgos Verigakis | |
307 | 51f905a2 | Giorgos Verigakis | def object_setxattr(self, container, object, name, value, options, |
308 | 51f905a2 | Giorgos Verigakis | position=0):
|
309 | 51f905a2 | Giorgos Verigakis | attr = 'xattr-' + name
|
310 | 51f905a2 | Giorgos Verigakis | meta = {attr: value} |
311 | 51f905a2 | Giorgos Verigakis | self.client.update_object_metadata(container, object, **meta) |
312 | 51f905a2 | Giorgos Verigakis | |
313 | 51f905a2 | Giorgos Verigakis | def object_truncate(self, container, object, length, fh=None): |
314 | 51f905a2 | Giorgos Verigakis | data = self.client.retrieve_object(container, object) |
315 | 51f905a2 | Giorgos Verigakis | f = StringIO(data[:length]) |
316 | 51f905a2 | Giorgos Verigakis | self.client.update_object(container, object, f) |
317 | 51f905a2 | Giorgos Verigakis | |
318 | 51f905a2 | Giorgos Verigakis | def object_unlink(self, container, object): |
319 | 51f905a2 | Giorgos Verigakis | self.client.delete_object(container, object) |
320 | 51f905a2 | Giorgos Verigakis | |
321 | 51f905a2 | Giorgos Verigakis | def object_write(self, container, object, data, offset, fh): |
322 | 51f905a2 | Giorgos Verigakis | f = StringIO(data) |
323 | 71c0f614 | Giorgos Verigakis | self.client.update_object(container, object, f, offset=offset) |
324 | 51f905a2 | Giorgos Verigakis | return len(data) |
325 | 51f905a2 | Giorgos Verigakis | |
326 | 51f905a2 | Giorgos Verigakis | |
327 | 9e826a59 | Kostas Papadimitriou | def main(): |
328 | 2152daa0 | Giorgos Verigakis | if len(argv) != 2: |
329 | 2152daa0 | Giorgos Verigakis | print 'usage: %s <mountpoint>' % argv[0] |
330 | 51f905a2 | Giorgos Verigakis | exit(1) |
331 | 51f905a2 | Giorgos Verigakis | |
332 | 51f905a2 | Giorgos Verigakis | user = getuser() |
333 | 2152daa0 | Giorgos Verigakis | fs = StoreFS(verbose=True)
|
334 | 2152daa0 | Giorgos Verigakis | fuse = FUSE(fs, argv[1], foreground=True) |
335 | 9e826a59 | Kostas Papadimitriou | |
336 | 9e826a59 | Kostas Papadimitriou | |
337 | 9e826a59 | Kostas Papadimitriou | if __name__ == '__main__': |
338 | 9e826a59 | Kostas Papadimitriou | main() |