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.
44 from image_creator import __version__ as version
45 from image_creator.util import FatalError
46 from image_creator.output import Output
47 from image_creator.output.cli import SimpleOutput
48 from image_creator.output.dialog import GaugeOutput
49 from image_creator.output.composite import CompositeOutput
50 from image_creator.disk import Disk
51 from image_creator.os_type import os_cls
52 from image_creator.dialog_wizard import wizard
53 from image_creator.dialog_menu import main_menu
54 from image_creator.dialog_util import SMALL_WIDTH, WIDTH, confirm_exit, \
55 Reset, update_background_title
58 def image_creator(d, media, out, tmp):
60 d.setBackgroundTitle('snf-image-creator')
62 gauge = GaugeOutput(d, "Initialization", "Initializing...")
64 disk = Disk(media, out, tmp)
66 def signal_handler(signum, frame):
70 signal.signal(signal.SIGINT, signal_handler)
71 signal.signal(signal.SIGTERM, signal_handler)
73 snapshot = disk.snapshot()
74 dev = disk.get_device(snapshot)
77 for (key, value) in dev.meta.items():
78 metadata[str(key)] = str(value)
80 dev.mount(readonly=True)
81 out.output("Collecting image metadata...")
82 cls = os_cls(dev.distro, dev.ostype)
83 image_os = cls(dev.root, dev.g, out)
86 for (key, value) in image_os.meta.items():
87 metadata[str(key)] = str(value)
93 # Make sure the signal handler does not call gauge.cleanup again
96 gauge.cleanup = type(GaugeOutput.cleanup)(dummy, gauge, GaugeOutput)
98 session = {"dialog": d,
100 "snapshot": snapshot,
102 "image_os": image_os,
103 "metadata": metadata}
105 msg = "snf-image-creator detected a %s system on the input media. " \
106 "Would you like to run a wizard to assist you through the " \
107 "image creation process?\n\nChoose <Wizard> to run the wizard," \
108 " <Expert> to run the snf-image-creator in expert mode or " \
109 "press ESC to quit the program." \
110 % (dev.ostype if dev.ostype == dev.distro else "%s (%s)" %
111 (dev.ostype, dev.distro))
113 update_background_title(session)
116 code = d.yesno(msg, width=WIDTH, height=12, yes_label="Wizard",
118 if code == d.DIALOG_OK:
121 elif code == d.DIALOG_CANCEL:
128 d.infobox("Thank you for using snf-image-creator. Bye", width=53)
135 def select_file(d, media):
140 default = os.getcwd() + os.sep
142 if media is not None:
143 if not os.path.exists(media):
144 d.msgbox("The file `%s' you choose does not exist." % media,
147 mode = os.stat(media).st_mode
148 if not stat.S_ISDIR(mode):
152 (code, media) = d.fselect(default, 10, 60, extra_button=1,
153 title="Please select an input media.",
154 extra_label="Bundle Host")
155 if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
156 if confirm_exit(d, "You canceled the media selection dialog box."):
161 elif code == d.DIALOG_EXTRA:
169 d = dialog.Dialog(dialog="dialog")
171 # Add extra button in dialog library
172 dialog._common_args_syntax["extra_button"] = \
173 lambda enable: dialog._simple_option("--extra-button", enable)
175 dialog._common_args_syntax["extra_label"] = \
176 lambda string: ("--extra-label", string)
178 # Allow yes-no label overwriting
179 dialog._common_args_syntax["yes_label"] = \
180 lambda string: ("--yes-label", string)
182 dialog._common_args_syntax["no_label"] = \
183 lambda string: ("--no-label", string)
185 usage = "Usage: %prog [options] [<input_media>]"
186 parser = optparse.OptionParser(version=version, usage=usage)
187 parser.add_option("-l", "--logfile", type="string", dest="logfile",
188 default=None, help="log all messages to FILE",
190 parser.add_option("--tmpdir", type="string", dest="tmp", default=None,
191 help="create large temporary image files under DIR",
194 options, args = parser.parse_args(sys.argv[1:])
197 parser.error("Wrong number of arguments")
199 d.setBackgroundTitle('snf-image-creator')
202 if os.geteuid() != 0:
203 raise FatalError("You must run %s as root" %
204 parser.get_prog_name())
206 if options.tmp is not None and not os.path.isdir(options.tmp):
207 raise FatalError("The directory `%s' specified with --tmpdir is "
208 "not valid" % options.tmp)
211 if options.logfile is not None:
213 logfile = open(options.logfile, 'w')
216 "Unable to open logfile `%s' for writing. Reason: %s" %
217 (options.logfile, e.strerror))
219 media = select_file(d, args[0] if len(args) == 1 else None)
222 log = SimpleOutput(False, logfile) if logfile is not None \
226 out = CompositeOutput([log])
227 out.output("Starting %s v%s..." %
228 (parser.get_prog_name(), version))
229 ret = image_creator(d, media, out, options.tmp)
232 log.output("Resetting everything...")
235 if logfile is not None:
237 except FatalError as e:
238 msg = textwrap.fill(str(e), width=WIDTH)
239 d.infobox(msg, width=WIDTH, title="Fatal Error")
242 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :