1 # Copyright 2011 GRNET S.A. All rights reserved.
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4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
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34 from image_creator import get_os_class
35 from image_creator import __version__ as version
36 from image_creator.disk import Disk
37 from image_creator.util import get_command
43 dd = get_command('dd')
46 class FatalError(Exception):
50 def check_writable_dir(option, opt_str, value, parser):
51 if not os.path.isdir(value):
52 raise OptionValueError("%s is not a valid directory name" % value)
53 setattr(parser.values, option.dest, value)
56 def parse_options(input_args):
57 usage = "Usage: %prog [options] <input_media> <name>"
58 parser = optparse.OptionParser(version=version, usage=usage)
60 parser.add_option("-o", "--outdir", type="string", dest="outdir",
61 default=".", action="callback", callback=check_writable_dir,
62 help="Output files to DIR [default: working dir]",
65 parser.add_option("-f", "--force", dest="force", default=False,
66 action="store_true", help="Overwrite output files if they exist")
68 parser.add_option("--no-shrink", dest="shrink", default=True,
69 help="Don't shrink any partition before extracting the image",
72 parser.add_option("--no-cleanup", dest="cleanup", default=True,
73 help="Don't cleanup sensitive data before extracting the image",
76 parser.add_option("-u", "--upload", dest="upload", default=False,
77 help="Upload image to a pithos repository using kamaki",
80 parser.add_option("-r", "--register", dest="register", default=False,
81 help="Register image to okeanos using kamaki", action="store_true")
83 options, args = parser.parse_args(input_args)
86 parser.error('input media or name are missing')
87 options.source = args[0]
88 options.name = args[1]
90 if not os.path.exists(options.source):
91 parser.error('Input media is not accessible')
101 options = parse_options(sys.argv[1:])
103 if os.geteuid() != 0:
104 raise FatalError("You must run %s as root" \
105 % os.path.basename(sys.argv[0]))
107 if not options.force:
108 for extension in ('diskdump', 'meta'):
109 filename = "%s/%s.%s" % (options.outdir, options.name, extension)
110 if os.path.exists(filename):
111 raise FatalError("Output file %s exists "
112 "(use --force to overwrite it)." % filename)
114 disk = Disk(options.source)
116 dev = disk.get_device()
118 osclass = get_os_class(dev.distro, dev.ostype)
119 image_os = osclass(dev.root, dev.g)
120 metadata = image_os.get_metadata()
123 image_os.data_cleanup()
127 size = options.shrink and dev.shrink() or dev.size()
128 metadata['size'] = str(size // 2 ** 20)
129 dd('if=%s' % dev.device,
130 'of=%s/%s.%s' % (options.outdir, options.name, 'diskdump'),
131 'bs=4M', 'count=%d' % ((size + 1) // 2 ** 22))
133 f = open('%s/%s.%s' % (options.outdir, options.name, 'meta'), 'w')
134 for key in metadata.keys():
135 f.write("%s=%s\n" % (key, metadata[key]))
140 #The image is ready, lets call kamaki if necessary
146 COLOR_BLACK = "\033[00m"
147 COLOR_RED = "\033[1;31m"
149 if __name__ == '__main__':
153 except FatalError as e:
154 print >> sys.stderr, "\n%sError: %s%s\n" % (COLOR_RED, e, COLOR_BLACK)
157 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :