3 # Copyright 2011 GRNET S.A. All rights reserved.
5 # Redistribution and use in source and binary forms, with or
6 # without modification, are permitted provided that the following
9 # 1. Redistributions of source code must retain the above
10 # copyright notice, this list of conditions and the following
13 # 2. Redistributions in binary form must reproduce the above
14 # copyright notice, this list of conditions and the following
15 # disclaimer in the documentation and/or other materials
16 # provided with the distribution.
18 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
19 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
22 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
25 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 # POSSIBILITY OF SUCH DAMAGE.
31 # The views and conclusions contained in the software and
32 # documentation are those of the authors and should not be
33 # interpreted as representing official policies, either expressed
34 # or implied, of GRNET S.A.
36 from image_creator import get_os_class
37 from image_creator import __version__ as version
38 from image_creator import FatalError
39 from image_creator.disk import Disk
40 from image_creator.util import get_command, error, progress_generator, success
41 from clint.textui import puts, indent
42 from sendfile import sendfile
48 dd = get_command('dd')
51 def check_writable_dir(option, opt_str, value, parser):
52 dirname = os.path.dirname(value)
53 name = os.path.basename(value)
54 if dirname and not os.path.isdir(dirname):
55 parser.error("`%s' is not an existing directory" % dirname)
58 parser.error("`%s' is not a valid file name" % dirname)
60 setattr(parser.values, option.dest, value)
63 def parse_options(input_args):
64 usage = "Usage: %prog [options] <input_media>"
65 parser = optparse.OptionParser(version=version, usage=usage)
67 parser.add_option("-f", "--force", dest="force", default=False,
68 action="store_true", help="Overwrite output files if they exist")
70 parser.add_option("--no-cleanup", dest="cleanup", default=True,
71 help="Don't cleanup sensitive data before extracting the image",
74 parser.add_option("--no-sysprep", dest="sysprep", default=True,
75 help="Don't perform system preperation before extracting the image",
78 parser.add_option("--no-shrink", dest="shrink", default=True,
79 help="Don't shrink any partition before extracting the image",
82 parser.add_option("-o", "--outfile", type="string", dest="outfile",
83 default=None, action="callback", callback=check_writable_dir,
84 help="Output image file",
87 parser.add_option("-u", "--upload", dest="upload", default=False,
88 help="Upload image to a pithos repository using kamaki",
91 parser.add_option("-r", "--register", dest="register", default=False,
92 help="Register image to okeanos using kamaki", action="store_true")
94 options, args = parser.parse_args(input_args)
97 parser.error('Wrong number of arguments')
98 options.source = args[0]
99 if not os.path.exists(options.source):
100 parser.error('input media is not accessible')
103 options.upload = True
105 if options.outfile is None and not options.upload:
106 parser.error('either outfile (-o) or upload (-u) must be set.')
111 def extract_image(device, outfile, size):
112 blocksize = 4194304 # 4MB
113 progress_size = (size + 1048575) // 1048576 # in MB
114 progressbar = progress_generator("Dumping image file: ",
116 source = open(device, "r")
118 dest = open(outfile, "w")
124 length = min(left, blocksize)
125 sent = sendfile(dest.fileno(), source.fileno(), offset, length)
135 success('Image file %s was successfully created' % outfile)
139 puts('snf-image-creator %s\n' % version)
140 options = parse_options(sys.argv[1:])
142 if os.geteuid() != 0:
143 raise FatalError("You must run %s as root" \
144 % os.path.basename(sys.argv[0]))
146 if not options.force:
147 for extension in ('', '.meta'):
148 filename = "%s%s" % (options.outfile, extension)
149 if os.path.exists(filename):
150 raise FatalError("Output file %s exists "
151 "(use --force to overwrite it)." % filename)
153 disk = Disk(options.source)
155 dev = disk.get_device()
158 osclass = get_os_class(dev.distro, dev.ostype)
159 image_os = osclass(dev.root, dev.g)
160 metadata = image_os.get_metadata()
168 image_os.data_cleanup()
172 size = options.shrink and dev.shrink() or dev.size()
173 metadata['size'] = str(size // 2 ** 20)
175 if options.outfile is not None:
176 f = open('%s.%s' % (options.outfile, 'meta'), 'w')
178 for key in metadata.keys():
179 f.write("%s=%s\n" % (key, metadata[key]))
183 extract_image(dev.device, options.outfile, size)
185 puts('cleaning up...')
193 ret = image_creator()
195 except FatalError as e:
200 if __name__ == '__main__':
203 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :