3 # Copyright 2012 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 import gevent.monkey # Monkey-patch everything for gevent early on
37 gevent.monkey.patch_all()
39 from image_creator import __version__ as version
40 from image_creator import util
41 from image_creator.disk import Disk
42 from image_creator.util import FatalError, MD5
43 from image_creator.output.cli import SilentOutput, SimpleOutput, \
45 from image_creator.os_type import os_cls
46 from image_creator.kamaki_wrapper import Kamaki, ClientError
54 def check_writable_dir(option, opt_str, value, parser):
55 dirname = os.path.dirname(value)
56 name = os.path.basename(value)
57 if dirname and not os.path.isdir(dirname):
58 raise FatalError("`%s' is not an existing directory" % dirname)
61 raise FatalError("`%s' is not a valid file name" % dirname)
63 setattr(parser.values, option.dest, value)
66 def parse_options(input_args):
67 usage = "Usage: %prog [options] <input_media>"
68 parser = optparse.OptionParser(version=version, usage=usage)
70 account = os.environ["OKEANOS_USER"] if "OKEANOS_USER" in os.environ \
72 token = os.environ["OKEANOS_TOKEN"] if "OKEANOS_TOKEN" in os.environ \
75 parser.add_option("-o", "--outfile", type="string", dest="outfile",
76 default=None, action="callback",
77 callback=check_writable_dir, help="dump image to FILE",
80 parser.add_option("-f", "--force", dest="force", default=False,
82 help="overwrite output files if they exist")
84 parser.add_option("-s", "--silent", dest="silent", default=False,
85 help="silent mode, only output errors",
88 parser.add_option("-u", "--upload", dest="upload", type="string",
90 help="upload the image to pithos with name FILENAME",
93 parser.add_option("-r", "--register", dest="register", type="string",
95 help="register the image with ~okeanos as IMAGENAME",
98 parser.add_option("-a", "--account", dest="account", type="string",
99 default=account, help="Use this ACCOUNT when "
100 "uploading/registering images [Default: %s]" % account)
102 parser.add_option("-m", "--metadata", dest="metadata", default=[],
103 help="Add custom KEY=VALUE metadata to the image",
104 action="append", metavar="KEY=VALUE")
106 parser.add_option("-t", "--token", dest="token", type="string",
107 default=token, help="Use this token when "
108 "uploading/registering images [Default: %s]" % token)
110 parser.add_option("--print-sysprep", dest="print_sysprep", default=False,
111 help="print the enabled and disabled system preparation "
112 "operations for this input media", action="store_true")
114 parser.add_option("--enable-sysprep", dest="enabled_syspreps", default=[],
115 help="run SYSPREP operation on the input media",
116 action="append", metavar="SYSPREP")
118 parser.add_option("--disable-sysprep", dest="disabled_syspreps",
119 help="prevent SYSPREP operation from running on the "
120 "input media", default=[], action="append",
123 parser.add_option("--no-sysprep", dest="sysprep", default=True,
124 help="don't perform system preparation",
125 action="store_false")
127 parser.add_option("--no-shrink", dest="shrink", default=True,
128 help="don't shrink any partition", action="store_false")
130 options, args = parser.parse_args(input_args)
133 parser.error('Wrong number of arguments')
135 options.source = args[0]
136 if not os.path.exists(options.source):
137 raise FatalError("Input media `%s' is not accessible" % options.source)
139 if options.register and not options.upload:
140 raise FatalError("You also need to set -u when -r option is set")
142 if options.upload and options.account is None:
143 raise FatalError("Image uploading cannot be performed. No ~okeanos "
144 "account name is specified. Use -a to set an account "
147 if options.upload and options.token is None:
148 raise FatalError("Image uploading cannot be performed. No ~okeanos "
149 "token is specified. User -t to set a token.")
152 for m in options.metadata:
154 key, value = m.split('=', 1)
156 raise FatalError("Metadata option: `%s' is not in "
157 "KEY=VALUE format." % m)
159 options.metadata = meta
165 options = parse_options(sys.argv[1:])
167 if options.outfile is None and not options.upload and not \
168 options.print_sysprep:
169 raise FatalError("At least one of `-o', `-u' or `--print-sysprep' "
175 out = OutputWthProgress(True) if sys.stderr.isatty() else \
178 title = 'snf-image-creator %s' % version
180 out.output('=' * len(title))
182 if os.geteuid() != 0:
183 raise FatalError("You must run %s as root"
184 % os.path.basename(sys.argv[0]))
186 if not options.force and options.outfile is not None:
187 for extension in ('', '.meta', '.md5sum'):
188 filename = "%s%s" % (options.outfile, extension)
189 if os.path.exists(filename):
190 raise FatalError("Output file %s exists "
191 "(use --force to overwrite it)." % filename)
193 disk = Disk(options.source, out)
195 def signal_handler(signum, frame):
198 signal.signal(signal.SIGINT, signal_handler)
199 signal.signal(signal.SIGTERM, signal_handler)
201 snapshot = disk.snapshot()
203 dev = disk.get_device(snapshot)
205 # If no customization is to be applied, the image should be mounted ro
206 readonly = (not (options.sysprep or options.shrink) or
207 options.print_sysprep)
210 cls = os_cls(dev.distro, dev.ostype)
211 image_os = cls(dev.root, dev.g, out)
214 for sysprep in options.disabled_syspreps:
215 image_os.disable_sysprep(image_os.get_sysprep_by_name(sysprep))
217 for sysprep in options.enabled_syspreps:
218 image_os.enable_sysprep(image_os.get_sysprep_by_name(sysprep))
220 if options.print_sysprep:
221 image_os.print_syspreps()
224 if options.outfile is None and not options.upload:
228 image_os.do_sysprep()
230 metadata = image_os.meta
233 size = options.shrink and dev.shrink() or dev.size
234 metadata.update(dev.meta)
236 # Add command line metadata to the collected ones...
237 metadata.update(options.metadata)
240 checksum = md5.compute(snapshot, size)
242 metastring = '\n'.join(
243 ['%s=%s' % (key, value) for (key, value) in metadata.items()])
246 if options.outfile is not None:
247 dev.dump(options.outfile)
249 out.output('Dumping metadata file...', False)
250 with open('%s.%s' % (options.outfile, 'meta'), 'w') as f:
254 out.output('Dumping md5sum file...', False)
255 with open('%s.%s' % (options.outfile, 'md5sum'), 'w') as f:
256 f.write('%s %s\n' % (checksum,
257 os.path.basename(options.outfile)))
260 # Destroy the device. We only need the snapshot from now on
261 disk.destroy_device(dev)
267 out.output("Uploading image to pithos:")
268 kamaki = Kamaki(options.account, options.token, out)
269 with open(snapshot, 'rb') as f:
270 uploaded_obj = kamaki.upload(f, size, options.upload,
271 "(1/4) Calculating block "
273 "(2/4) Uploading missing "
276 out.output("(3/4) Uploading metadata file...", False)
277 kamaki.upload(StringIO.StringIO(metastring),
278 size=len(metastring),
279 remote_path="%s.%s" % (options.upload, 'meta'))
281 out.output("(4/4) Uploading md5sum file...", False)
282 md5sumstr = '%s %s\n' % (checksum,
283 os.path.basename(options.upload))
284 kamaki.upload(StringIO.StringIO(md5sumstr),
286 remote_path="%s.%s" % (options.upload, 'md5sum'))
291 out.output('Registering image with ~okeanos...', False)
292 kamaki.register(options.register, uploaded_obj, metadata)
295 except ClientError as e:
296 raise FatalError("Pithos client: %d %s" % (e.status, e.message))
299 out.output('cleaning up...')
302 out.success("snf-image-creator exited without errors")
309 ret = image_creator()
311 except FatalError as e:
312 colored = sys.stderr.isatty()
313 SimpleOutput(colored).error(e)
316 if __name__ == '__main__':
319 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :